1 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3 * doc/extend.texi: Replace x86_65 with x86_64.
5 2009-03-16 Jakub Jelinek <jakub@redhat.com>
7 PR tree-optimization/39455
8 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9 mismatches for POINTER_TYPE_P (type).
10 (number_of_iterations_le): Likewise.
12 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
14 * config/picochip/picochip.c: Removed profiling support.
15 * config/picochip/picochip.md: Removed profiling instruction.
16 * config/picochip/picochip.h: Removed profiling builtin.
18 2009-03-16 Joseph Myers <joseph@codesourcery.com>
20 * doc/install.texi (--with-host-libstdcxx): Document.
22 2009-03-14 Anatoly Sokolov <aesok@post.ru>
25 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
26 generate a warning if the function name does not begin with
27 "__vector" and the function has either the 'signal' or 'interrupt'
28 attribute, from here to ...
29 (avr_declare_function_name): ...here. New function.
30 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
31 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
33 2009-03-14 Jakub Jelinek <jakub@redhat.com>
36 * cse.c (fold_rtx): Don't modify original const_arg1 when
37 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
38 separate variable instead.
39 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
40 from out of range shift counts.
41 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
43 2008-03-13 Catherine Moore <clm@codesourcery.com>
45 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
46 diagnostic.h with $(DIAGNOSTIC_H).
48 2008-03-12 Jakub Jelinek <jakub@redhat.com>
51 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
53 * config/i386/sync.md (sync_compare_and_swap<mode>,
54 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
55 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
57 (sync_double_compare_and_swapdi_pic,
58 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
59 cmpxchg8b_pic_memory_operand instead of just memory_operand.
61 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
64 * config/i386/i386.c (ix86_expand_push): Don't set memory
67 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
70 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
71 (avx_addsubv4df3): Likewise.
72 (*avx_addsubv4sf3): Likewise.
73 (sse3_addsubv4sf3): Likewise.
75 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
78 * config/i386/i386.md: Compare REGNO on the new peephole2
81 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
84 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
85 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
86 registers for allocnos created from user-defined variables.
88 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
91 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
92 of non-integer mode as well.
94 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
96 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
97 for functions for which the parameter types are unknown.
99 2009-03-11 Jakub Jelinek <jakub@redhat.com>
102 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
104 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
105 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
106 * config/i386/i386.c (ix86_local_alignment): For
107 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
108 long long variables on the stack to avoid dynamic realignment.
109 Allow the first argument to be a decl rather than type.
110 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
112 2009-03-11 Nick Clifton <nickc@redhat.com>
115 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
117 Add description to mno-lsim option.
118 * config/mcore/mcore.h: Remove comment about deprecated m4align
120 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
121 * doc/invoke.texi: Add description of mno-lsim and
122 mstack-increment options.
124 * config/fr30/fr30.opt: Document the -mno-lsim option.
125 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
126 and -mno-lsim options.
128 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
130 * fold-const.c (fold_comparison): Only call fold_inf_compare
131 if the mode supports infinities.
133 2009-03-11 Jason Merrill <jason@redhat.com>
136 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
137 end already did. Notice GIMPLE_CALL modifications of the result.
138 Don't copy debug information from an ignored decl or a decl from
141 2009-03-10 Richard Guenther <rguenther@suse.de>
142 Nathan Froyd <froydnj@codesourcery.com>
145 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
147 (__divMODE3): Likewise.
149 2009-03-09 Jakub Jelinek <jakub@redhat.com>
151 PR tree-optimization/39394
152 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
153 DECL_SIZE_UNIT of variable length FIELD_DECLs.
155 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
157 * recog.c (verfiy_changes): Disallow renaming of hard regs in
158 inline asms for register asm ("") declarations.
160 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
162 * fold-const.c (fold_unary): Fix comment.
164 2009-03-07 Jan Hubicka <jh@suse.cz>
167 * tree-inline.c (setup_one_parameter): Do replacement of const argument
168 by constant in SSA form.
170 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
173 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
174 determine alignment passed to assign_stack_local.
175 (assign_parms_unsplit_complex): Likewise.
176 * except.c (sjlj_build_landing_pads): Likewise.
178 2009-03-06 Jakub Jelinek <jakub@redhat.com>
181 * tree-flow.h (add_referenced_var): Return bool instead of void.
182 * tree-dfa.c (add_referenced_var): Return result of
183 referenced_var_check_and_insert call.
184 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
185 of referenced_var_check_and_insert.
188 * dwarf2out.c (add_abstract_origin_attribute): Return
190 (gen_variable_die): Emit DW_AT_location on abstract static variable's
191 DIE, don't emit it if abstract origin already has it.
192 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
193 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
195 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
197 * genpreds.c: (needs_variable): Fix parentheses at variable name
199 (write_tm_constrs_h): Indent generated code.
201 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
203 * doc/extend.texi (Function Attributes): Add documentation
206 2009-03-06 Jakub Jelinek <jakub@redhat.com>
209 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
210 take locus from its DECL_SOURCE_LOCATION instead of input_location.
212 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
214 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
217 2009-03-05 Jakub Jelinek <jakub@redhat.com>
220 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
221 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
223 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
225 * config/i386/i386.md (R8_REG, R9_REG): New constants.
226 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
227 constants instead of magic numbers.
228 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
230 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
231 (x86_64_ms_abi_int_parameter_registers): Ditto.
232 (x86_64_int_return_registers): Ditto.
233 (ix86_maybe_switch_abi): Ditto.
234 (ix86_expand_call): Ditto for clobbered_registers array.
235 (ix86_hard_regno_mode_ok): Ditto.
236 (x86_extended_QIreg_mentioned_p): Ditto.
238 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
240 PR tree-optimization/39349
241 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
243 * combine.c (gen_lowpart_for_combine): Use omode when generating
246 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
248 PR rtl-optimization/39235
249 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
251 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
253 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
255 2009-03-04 Richard Guenther <rguenther@suse.de>
257 PR tree-optimization/39362
258 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
259 that occur in abnormal PHIs should be varying.
261 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
263 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
265 (simple_iv): Take loop as an argument instead of statement.
266 * tree-scalar-evolution.h (simple_iv): Declaration changed.
267 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
269 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
271 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
272 * matrix-reorg.c (analyze_transpose): Ditto.
273 * tree-data-ref.c (dr_analyze_innermost): Ditto.
274 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
275 * tree-predcom.c (ref_at_iteration): Ditto.
276 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
278 2009-03-04 Richard Guenther <rguenther@suse.de>
280 PR tree-optimization/39358
281 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
282 escaped_id and callused_id.
283 (solve_graph): Likewise.
285 2009-03-04 Richard Guenther <rguenther@suse.de>
287 PR tree-optimization/39339
288 * tree-sra.c (try_instantiate_multiple_fields): Make it
289 no longer ICE on the above.
291 2009-03-03 Joseph Myers <joseph@codesourcery.com>
293 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
294 that fits within Pmode.
296 2009-03-03 Steve Ellcey <sje@cup.hp.com>
299 * tm.texi (LIBCALL_VALUE): Update description.
301 2009-03-03 Steve Ellcey <sje@cup.hp.com>
304 * doc/extend.texi (section): Update description.
306 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
309 * tree-inline.c (remapped_type): New.
310 (can_be_nonlocal): Call remapped_type instead of remap_type.
312 2009-03-03 Jakub Jelinek <jakub@redhat.com>
315 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
316 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
318 2009-03-03 Richard Guenther <rguenther@suse.de>
321 * tree.c (tree_nonartificial_location): New function.
322 * tree.h (tree_nonartificial_location): Declare.
323 * builtins.c (expand_builtin_memory_chk): Provide location
324 of the call location for artificial function pieces.
325 (maybe_emit_chk_warning): Likewise.
326 (maybe_emit_sprintf_chk_warning): Likewise.
327 (maybe_emit_free_warning): Likewise.
328 * expr.c (expand_expr_real_1): Likewise.
330 2009-03-03 Jakub Jelinek <jakub@redhat.com>
332 PR tree-optimization/39343
333 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
334 COMPONENT_REF t has ARRAY_TYPE.
336 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
339 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
340 when the type precision of the induction variable should be
341 larger than the type precision of nit.
342 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
343 * graphite.c (graphite_loop_normal_form): Same.
344 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
346 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
348 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
349 (*call_1_rex64_ms_sysv): Use named constants instead of magic
350 numbers to describe clobbered registers.
351 (*call_value_0_rex64_ms_sysv): Ditto.
352 * config/i386/mmx.md (mmx_emms): Ditto.
355 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
357 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
360 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
362 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
363 (spu_section_type_flags): New function.
365 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
367 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
368 reg_class_contents of FLOAT_REGS into a temporary.
370 2009-03-02 Richard Guenther <rguenther@suse.de>
371 Ira Rosen <irar@il.ibm.com>
373 PR tree-optimization/39318
374 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
375 information to the vectorized statement.
377 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
379 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
380 variable. Use defined names instead of magic constants for REX SSE
383 2009-03-01 Richard Guenther <rguenther@suse.de>
385 PR tree-optimization/39331
386 * omp-low.c (lower_send_shared_vars): Do not receive new
387 values for the reference of DECL_BY_REFERENCE parms or results.
389 2009-03-01 Jan Hubicka <jh@suse.cz>
392 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
393 BLOCK_NONLOCALIZED_VAR): New macros.
394 (tree_block): Add nonlocalized_vars.
395 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
396 gen_decl_die): Add origin argument. Allow generation of die with
398 (gen_member_die, gen_type_die_with_usage, force_decl_die,
399 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
401 (gen_block_die): Fix checking for unused blocks.
402 (process_scope_var): Break out from .... ; work with origins only.
403 (decls_for_scope) ... here; process nonlocalized list.
404 (dwarf2out_ignore_block): Look for nonlocalized vars.
405 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
407 (dump_scope_block): Dump them.
408 * tree-inline.c (remap_decls): Handle nonlocalized vars.
409 (remap_block): Likewise.
410 (can_be_nonlocal): New predicate.
411 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
413 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
415 * configure: Regenerate.
417 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
419 * optc-gen.awk: No need to duplicate option flags twice.
420 Reuse help texts for duplicate options which do not have
423 * gcc.c (display_help): Document --version.
425 * gcc.c (main): If print_help_list and verbose_flag, ensure
426 driver output comes before subprocess output.
428 * optc-gen.awk: Assign all remaining fields to help string,
429 space-separated, for multi-line help in *.opt.
431 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
432 -Wno-pedantic-ms-format is for MinGW targets only.
434 * doc/options.texi (Option file format): Fix bad indentation,
435 restoring dropped sentence.
437 2009-02-28 Jan Hubicka <jh@suse.cz>
439 * tree-inline.c (tree_function_versioning): Output debug info.
441 2009-02-28 Jan Hubicka <jh@suse.cz>
444 * tree-inline.c (setup_one_parameter): Do not copy propagate
445 arguments when not optimizing.
447 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
450 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
451 (avx_addsubv4df3): Likewise.
452 (*avx_addsubv4sf3): Likewise.
453 (sse3_addsubv4sf3): Likewise.
454 (*avx_addsubv2df3): Likewise.
455 (sse3_addsubv2df3): Likewise.
456 (avx_unpckhps256): Correct item selectors.
457 (avx_unpcklps256): Likewise.
458 (avx_unpckhpd256): Likewise.
459 (avx_unpcklpd256): Likewise.
461 2009-02-28 Jan Hubicka <jh@suse.cz>
463 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
465 (copy_arguments_for_versioning): If var is declared don't declare it.
466 (tree_function_versioning): First setup substitutions and then copy
469 2009-02-27 Jan Hubicka <jh@suse.cz>
472 * cgraph.h (varpool_output_debug_info): Remove.
473 * cgraphunit.c (varpool_output_debug_info): Remove.
474 * dwarf2out.c (deferred_locations_struct): New struct
475 (deferred_locations): New type.
476 (deferred_locations_list): New static var.
477 (deffer_location): New function.
478 (gen_variable_die): Use it.
479 (decls_for_scope): Output info on local static vars.
480 (dwarf2out_finish): Process deferred locations.
481 * varpool.c (varpool_output_debug_info): Remove.
483 2009-02-27 Jan Hubicka <jh@suse.cz>
486 * tree.h (TREE_PROTECTED): Fix comment.
487 (BLOCK_HANDLER_BLOCK): Remove.
488 (struct tree_block): Remove handler_block add body_block.
489 (inlined_function_outer_scope_p): New.
490 (is_body_block): Remove.
491 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
492 * dwarf2out.c (is_inlined_entry_point): Remove.
493 (add_high_low_attributes): Use inlined_function_outer_scope_p.
494 (gen_block_die): Use is_inlined_entry_point check. Remove body block
496 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
497 * gimplify.c (gimplify_expr): Gimplify body blocks.
498 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
499 block with multiple subblocks.
500 (dump_scope_block): Prettier output; dump more flags and info.
501 (dump_scope_blocks): New.
502 (remove_unused_locals): Use dump_scope_blocks.
503 * tree-flow.h (dump_scope_blocks): Declare.
504 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
505 * stmt.c (is_body_block): Remove.
506 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
507 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
509 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
512 * graphite.c (graphite_loop_normal_form): Do not call
513 number_of_iterations_exit from a gcc_assert.
515 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
517 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
518 jumps if COND is NULL.
519 (find_cond_jump): New function.
520 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
521 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
523 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
525 * config/alpha/alpha.h (alpha_expand_mov): Return false if
526 force_const_mem returns NULL_RTX.
528 2009-02-26 Jan Hubicka <jh@suse.cz>
531 * cgraph.h (varpool_output_debug_info): Remove.
532 * cgraphunit.c (varpool_output_debug_info): Remove.
533 * dwarf2out.c (deferred_locations_struct): New struct
534 (deferred_locations): New type.
535 (deferred_locations_list): New static var.
536 (deffer_location): New function.
537 (gen_variable_die): Use it.
538 (decls_for_scope): Output info on local static vars.
539 (dwarf2out_finish): Process deferred locations.
540 * varpool.c (varpool_output_debug_info): Remove.
542 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
544 PR rtl-optimization/39241
545 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
546 to subreg_offset_representable_p.
548 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
550 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
551 execute function prototype. Get f and nregs from max_reg_num
552 and get_insns. Remove the first backward pass as it's dead,
553 guard the forward pass by flag_expensive_optimizations.
554 (rest_of_handle_regmove): Delete.
555 (pass_regmove): Replace it with regmove_optimize.
557 2009-02-25 Martin Jambor <mjambor@suse.cz>
559 PR tree-optimization/39259
560 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
561 calls_alloca function flags.
562 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
565 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
567 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
568 flags_set_1_rtx, flags_set_1_set): Delete.
569 (regmove_optimize): Do not call mark_flags_life_zones.
571 2009-02-24 Julian Brown <julian@codesourcery.com>
574 * config/arm/arm.c (require_pic_register): Only set
575 cfun->machine->pic_reg once per function.
577 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
579 * doc/invoke.texi (Link Options): Document an easier way to pass
580 options that take arguments to the GNU linker using -Xlinker and -Wl.
582 2009-02-24 Steve Ellcey <sje@cup.hp.com>
585 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
587 2009-02-24 Richard Guenther <rguenther@suse.de>
590 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
592 2009-02-24 Richard Guenther <rguenther@suse.de>
593 Zdenek Dvorak <ook@ucw.cz>
595 PR tree-optimization/39233
596 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
597 from converting them to a generic type.
599 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
601 PR tree-optimization/39260
602 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
603 contains a condition with a real type.
604 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
606 2009-02-23 Jason Merrill <jason@redhat.com>
609 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
610 narrowing_initializer_constant_valid_p.
611 (narrowing_initializer_constant_valid_p): Don't return
612 null_pointer_node for adding a pointer to itself.
614 2009-02-23 Jan Hubicka <jh@suse.cz>
617 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
620 2009-02-23 Jan Hubicka <jh@suse.cz>
622 PR tree-optimization/37709
623 * tree.c (block_ultimate_origin): Move here from dwarf2out.
624 * tree.h (block_ultimate_origin): Declare.
625 * dwarf2out.c (block_ultimate_origin): Move to tree.c
626 * tree-ssa-live.c (remove_unused_scope_block_p):
627 Eliminate blocks containig no instructions nor live variables nor
629 (dump_scope_block): New function.
630 (remove_unused_locals): Enable removal of dead blocks by default;
631 enable dumping at TDF_DETAILS.
633 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
635 * config/i386/i386.c (classify_argument): Don't allow COImode
637 (function_arg_advance_32): Don't allow OImode.
638 (function_arg_32): Likewise.
639 (function_value_32): Likewise.
640 (return_in_memory_32): Likewise.
641 (function_arg_64): Remove OImode comment.
643 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
646 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
647 ix86_expand_vector_set for V4DImode in 64bit mode only.
648 (ix86_expand_vector_init_one_var): Likewise.
650 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
652 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
654 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
657 * loop-iv.c: Revert last change.
658 * emit-rtl.c: Likewise.
660 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
663 * config/i386/i386.c (type_natural_mode): Remove an extra
664 space in the warning message.
665 (function_value_32): Handle 32-byte vector modes.
666 (return_in_memory_32): Likewise.
668 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
670 * loop-iv.c (truncate_value): New function.
671 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
673 (lowpart_subreg): Move to...
674 * emit-rtl.c: ...here.
676 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
678 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
679 accidental and undocumented change at revision 140860.
681 2009-02-21 Joseph Myers <joseph@codesourcery.com>
683 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
684 take gimple_seq * arguments.
685 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
686 types_compatible_p langhook.
688 2009-02-20 Mark Mitchell <mark@codesourcery.com>
689 Joseph Myers <joseph@codesourcery.com>
691 * config/arm/arm.c (arm_builtin_va_list): New function.
692 (arm_expand_builtin_va_start): Likewise.
693 (arm_gimplify_va_arg_expr): Likewise.
694 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
695 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
696 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
697 (va_list_type): New variable.
698 (arm_mangle_type): Mangle va_list_type appropriately.
700 2009-02-20 Jakub Jelinek <jakub@redhat.com>
703 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
704 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
705 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
706 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
707 parameter to 1000 for -O1 by default.
708 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
710 * loop-invariant.c: Include params.h.
711 (move_loop_invariants): Don't call move_single_loop_invariants on
714 2009-02-20 Jaka Mocnik <jaka@xlab.si>
716 * calls.c (emit_library_call_value_1): Use slot_offset instead of
717 offset when calculating bounds for indexing stack_usage_map. Fixes
718 a buffer overflow with certain target setups.
720 2009-02-20 Jakub Jelinek <jakub@redhat.com>
723 * calls.c (expand_call): Clear try_tail_call if caller and callee
724 disagree in promotion of function return value.
726 2009-02-19 Jakub Jelinek <jakub@redhat.com>
729 * c-common.c (c_determine_visibility): If visibility changed and
730 DECL_RTL has been already set, call make_decl_rtl to update symbol
733 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
736 * varasm.c (assemble_variable): Don't check DECL_NAME when
737 globalizing a variable.
739 2009-02-19 Joseph Myers <joseph@codesourcery.com>
742 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
743 expression before any __builtin_trap call.
744 * c-typeck.c (build_function_call): Convert and check function
745 arguments before generating a call to a trap. Evaluate the
746 function arguments before the trap.
748 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
751 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
752 (UNSPEC_FXAM_MEM): New unspec.
753 (fxam<mode>2_i387_with_temp): New insn and split pattern.
754 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
755 memory using fxam<mode>2_i387_with_temp to remove excess precision.
757 2009-02-19 Richard Guenther <rguenther@suse.de>
759 PR tree-optimization/39207
760 PR tree-optimization/39074
761 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
762 storedanything_tree): New.
763 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
764 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
765 (build_succ_graph): Add edges from STOREDANYTHING to all
767 (init_base_vars): Initialize STOREDANYTHING.
768 (compute_points_to_sets): Free substitution info after
769 building the succ graph.
770 (ipa_pta_execute): Likewise.
772 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
774 (do_ds_constraint): Do not add to special var or non-pointer
776 (type_could_have_pointers): Split out from ...
777 (could_have_pointers): ... here. For arrays use the element type.
778 (create_variable_info_for): Initialize may_have_pointers.
779 (new_var_info): Likewise.
780 (handle_lhs_call): Make the HEAP variable unknown-sized.
781 (intra_create_variable_infos): Use a type with pointers for
782 PARM_NOALIAS, make it unknown-sized.
784 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
787 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
789 2009-02-18 Jason Merrill <jason@redhat.com>
792 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
793 value if DECL_EXTERNAL.
794 * tree-sra.c (sra_walk_gimple_assign): Likewise.
795 * target.h (gcc_target::binds_local_p): Clarify "module".
796 * tree.h (TREE_PUBLIC): Clarify "module".
798 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
801 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
802 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
804 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
807 * c.opt (Wabi): Support C and ObjC.
810 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
812 * config/i386/i386.c (classify_argument): Warn once about the ABI
813 change when passing union with long double.
815 * doc/invoke.texi: Update -Wabi for warning psABI changes.
817 2009-02-18 Joseph Myers <joseph@codesourcery.com>
820 * c-parser.c (c_parser_compound_statement): Always enter and leave
823 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
826 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
828 2009-02-18 Jakub Jelinek <jakub@redhat.com>
830 PR tree-optimization/36922
831 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
832 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
835 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
837 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
840 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
842 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
844 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
846 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
849 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
850 Richard Sandiford <rdsandiford@googlemail.com>
852 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
853 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
854 (loongson_biadd): ...this.
856 2009-02-17 Richard Guenther <rguenther@suse.de>
858 PR tree-optimization/39202
859 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
860 a var make sure to follow existing collapses.
862 2009-02-17 Richard Guenther <rguenther@suse.de>
865 * langhooks.c (lhd_print_error_function): Check for NULL block.
867 2009-02-17 Richard Guenther <rguenther@suse.de>
869 PR tree-optimization/39204
870 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
873 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
875 * config/soft-fp/double.h: Update from glibc CVS.
877 2009-02-17 Richard Guenther <rguenther@suse.de>
879 PR tree-optimization/39207
880 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
881 strict-aliasing warnings for pointers pointing to NULL.
883 2009-02-16 Joseph Myers <joseph@codesourcery.com>
886 * c-parser.c (c_parser_braced_init): Call pop_init_level when
887 skipping until next close brace.
889 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
892 * config/i386/i386.c (ix86_expand_push): Set memory alignment
893 to function argument boundary.
895 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
897 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
898 in the lea_add. Reload eventually constraints it properly.
899 * config/picochip/constraints.md : Remove the target constraint
900 "b", since it is not needed anymore.
902 2009-02-16 Jakub Jelinek <jakub@redhat.com>
904 * gthr-dce.h: Uglify function parameter and local variable names.
905 * gthr-gnat.h: Likewise.
906 * gthr-mipssde.h: Likewise.
907 * gthr-nks.h: Likewise.
908 * gthr-posix95.h: Likewise.
909 * gthr-posix.h: Likewise.
910 * gthr-rtems.h: Likewise.
911 * gthr-single.h: Likewise.
912 * gthr-solaris.h: Likewise.
913 * gthr-tpf.h: Likewise.
914 * gthr-vxworks.h: Likewise.
915 * gthr-win32.h: Likewise.
917 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
920 * config/i386/i386.md: Restrict the new peephole2 to move
921 between MMX/SSE registers.
923 2009-02-15 Richard Guenther <rguenther@suse.de>
926 2009-02-13 Richard Guenther <rguenther@suse.de>
928 * configure.ac: Enable LFS.
929 * configure: Re-generate.
930 * config.in: Likewise.
932 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
934 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
935 spu_srqwbyte, spu_srqwbytebc): Define.
936 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
937 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
938 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
939 "shrqby_<mode>"): New insn-and-split patterns.
940 * config/spu/spu.c (expand_builtin_args): Determine and return
941 number of operands using spu_builtin_description data.
942 (spu_expand_builtin_1): Use it.
944 2009-02-13 Steve Ellcey <sje@cup.hp.com>
947 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
950 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
953 * config/i386/i386.c (override_options): Correct warning
954 messages for -malign-loops, -malign-jumps and -malign-functions.
956 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
959 * config/i386/i386.md: Restrict the new peephole2 to move
960 between the general purpose registers.
962 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
965 * config/i386/i386.c (type_natural_mode): Add a new argument.
966 Return the original mode and warn ABI change if vector size is 32byte.
967 (function_arg_advance): Updated.
968 (function_arg): Likewise.
969 (ix86_function_value): Likewise.
970 (ix86_return_in_memory): Likewise.
971 (ix86_sol10_return_in_memory): Likewise.
972 (ix86_gimplify_va_arg): Likewise.
973 (function_arg_32): Don't warn ABX ABI change here.
974 (function_arg_64): Likewise.
976 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
978 * loop-iv.c (implies_p): In the final case, test that operands 0
979 of the two comparisons match.
981 * config/bfin/bfin.c (find_prev_insn_start): New function.
982 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
983 (find_next_insn_start): Move.
985 2009-02-13 Richard Guenther <rguenther@suse.de>
987 * configure.ac: Enable LFS.
988 * configure: Re-generate.
989 * config.in: Likewise.
991 2009-02-13 Joseph Myers <joseph@codesourcery.com>
994 * c-parser.c (c_parser_parms_list_declarator): Discard pending
995 sizes on syntax error after some arguments have been parsed.
997 2009-02-12 Jakub Jelinek <jakub@redhat.com>
999 * doc/invoke.texi (-fira): Remove.
1001 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1003 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1004 * recog.c: Likewise.
1007 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1009 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1010 (umul_ppmm): Likewise.
1011 (count_leading_zeros): Likewise.
1012 (count_trailing_zeros): Likewise.
1013 (UMUL_TIME): Likewise.
1015 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1017 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1018 soft-fp/t-softfp to tmake_file.
1020 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1021 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1022 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1023 IA64_BUILTIN_INFQ]: New.
1024 (ia64_init_builtins): Initialize __builtin_infq,
1025 __builtin_fabsq and __builtin_copysignq if not HPUX.
1026 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1027 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1029 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1031 (__fixtfti): Likewise.
1032 (__fixunstfti): Likewise.
1033 (__floattitf): Likewise.
1035 * config/ia64/libgcc-glibc.ver: New.
1036 * config/ia64/t-fprules-softfp: Likewise.
1037 * config/ia64/sfp-machine.h: Likewise.
1039 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1040 (LIBGCC2_TF_CEXT): Likewise.
1041 (TF_SIZE): Likewise.
1042 (TARGET_INIT_LIBFUNCS): Likewise.
1044 * config/ia64/t-glibc (SHLINB_MAPFILES):
1045 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1047 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1049 * config/i386/i386.c (construct_container): Rewrite processing
1050 BLKmode with X86_64_SSE_CLASS.
1052 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1055 * config/i386/i386.md: Replace simplify_replace_rtx with
1056 replace_rtx in the new peephole2.
1058 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1060 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1061 loop unrolling do not happen at -O2.
1063 2009-02-12 Michael Matz <matz@suse.de>
1065 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1067 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1069 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1072 2009-02-12 Ben Elliston <bje@au.ibm.com>
1074 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1075 patterns when updating the back chain. Missed in the 2009-02-10
1078 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1080 * doc/extend.texi (Decimal Floating Types): Update identifier of
1081 draft TR and list of missing support.
1083 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1086 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1087 bit to variable length decl's flags, add it also to its
1088 pointer replacement variable.
1090 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1091 Jakub Jelinek <jakub@redhat.com>
1094 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1095 (memory_blockage): New expander.
1096 (*memory_blockage): New insn pattern.
1097 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1098 instead of general blockage at the end of function prologue when
1099 frame pointer is used to access red zone area. Do not emit blockage
1100 when profiling, it is emitted in generic code.
1101 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1102 function epilogue when frame pointer is used to access red zone area.
1104 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1107 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1108 by arithmetic with memory operands.
1109 * config/i386/predicates.md (commutative_operator): New.
1111 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1113 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1116 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1118 * alias.h (record_alias_subset): Declare.
1119 * alias.c (record_alias_subset): Make global.
1121 2009-02-10 Nick Clifton <nickc@redhat.com>
1123 * tree-parloops.c: Change license to GPLv3.
1124 * ipa-struct-reorg.c: Change license to GPLv3.
1125 * ipa-struct-reorg.h: Change license to GPLv3.
1127 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1130 * c-decl.c (start_struct): Return NULL on error.
1132 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1135 * cfgloopmanip.c (remove_path): Call remove_bbs after
1136 cancel_loop_tree, not before it.
1139 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1140 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1141 VAR_DECLs were seen.
1142 * tree-ssa-live.c (remove_unused_locals): Recompute
1143 cfun->has_local_explicit_reg_vars.
1144 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1145 copies or clearings if cfun->has_local_explicit_reg_vars.
1147 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1150 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1151 of function prologue when frame pointer is used to access
1154 2009-02-10 Richard Guenther <rguenther@suse.de>
1157 * gimplify.c (gimple_regimplify_operands): Always look if
1158 we need to create a temporary.
1160 2009-02-10 Richard Guenther <rguenther@suse.de>
1162 PR tree-optimization/39132
1163 * tree-loop-distribution.c (todo): New global var.
1164 (generate_memset_zero): Trigger TODO_rebuild_alias.
1165 (tree_loop_distribution): Return todo.
1167 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1170 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1171 (x86_64_reg_class_name): Removed.
1172 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1173 first one isn't X86_64_SSE_CLASS or any other ones aren't
1174 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1175 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1176 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1177 and 3 X86_64_SSEUP_CLASS.
1178 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1179 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1181 2009-02-10 Ben Elliston <bje@au.ibm.com>
1183 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1184 form instruction to update the stack back chain word, even if the
1185 user has disabled the generation of update instructions.
1186 (movdi_<mode>_update_stack): New.
1187 (movsi_update_stack): Likewise.
1188 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1189 always use an update form instruction to update the stack back
1192 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1195 * graphite.c (if_region_set_false_region): After moving a region in
1196 the false branch of a condition, remove the empty dummy basic block.
1197 (gloog): Remove wrong fix for PR38953.
1199 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1201 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1202 generation due to implicit sign extension.
1204 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1207 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1208 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1210 2009-02-09 Richard Guenther <rguenther@suse.de>
1213 * convert.c (convert_to_real): Disable (float)fn((double)x)
1214 to fnf(x) conversion if errno differences may occur and
1215 -fmath-errno is set.
1217 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1219 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1220 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1221 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1223 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1226 * c-common.c (handle_alias_attribute): Disallow attribute for
1227 anything not a FUNCTION_DECL or VAR_DECL.
1229 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1232 * real.c (do_compare): Special-case compare of zero against
1233 decimal float value.
1235 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1238 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1239 as indicating flexible array members unless the field itself is
1240 being declarared as the incomplete array.
1242 2009-02-06 Jan Hubicka <jh@suse.cz>
1244 PR tree-optimization/38844
1245 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1248 2009-02-06 Richard Guenther <rguenther@suse.de>
1251 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1252 fork because we may expand it as __gcov_fork.
1254 2009-02-06 Nick Clifton <nickc@redhat.com>
1256 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1258 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1260 PR tree-optimization/35659
1261 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1262 vn_phi_eq): Shortcut if hashcode does not match.
1263 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1265 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1266 and avoid iterative_hash_expr.
1267 (FOR_EACH_VALUE_ID_IN_SET): New.
1268 (value_id_compare): Remove.
1269 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1270 sort expressions by value id.
1272 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1275 * config/sh/predicates.md (general_movsrc_operand): Don't check
1276 the subreg of system registers here.
1278 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1281 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1284 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1286 PR rtl-optimization/39110
1287 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1288 addresses, not aligned ones.
1290 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1291 Richard Guenther <rguenther@suse.de>
1293 PR tree-optimization/39100
1294 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1295 comment says and add edges.
1297 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1300 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1301 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1303 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1305 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1306 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1307 register_bb_in_sese, new_sese, free_sese): Moved.
1308 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1309 outermost_loop_in_scop, build_scop_iteration_domain,
1310 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1311 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1312 Use loop_in_sese_p instead of loop_in_scop_p.
1313 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1314 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1315 (scopdet_basic_block_info): Fix bug in scop detection.
1316 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1317 eq_loop_to_cloog_loop): Remove.
1318 (nb_loops_around_loop_in_scop, nb_loop
1319 ref_nb_loops): Moved here...
1320 * graphite.h (ref_nb_loops): ... from here.
1321 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1322 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1323 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1324 * testsuite/gcc.dg/graphite/scop-19.c: New
1326 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1327 Hans-Peter Nilsson <hp@axis.com>
1329 PR rtl-optimization/37889
1330 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1331 Move offset handling from PLUS to before the switch. Use new
1332 arguments when considering SYMBOL_REFs too.
1333 (rtx_addr_can_trap_p): Pass dummy offset and size.
1334 (enum may_trap_p_flags): Remove.
1335 (may_trap_p_1): Pass size from MEM_SIZE.
1337 PR rtl-optimization/38921
1338 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1339 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1340 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1341 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1343 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1345 AVX Programming Reference (January, 2009)
1346 * config/i386/sse.md (*vpclmulqdq): New.
1348 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1350 PR tree-optimization/38977
1351 PR gcov-profile/38292
1352 * calls.c (special_function_p): Disregard __builtin_ prefix.
1354 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1356 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1357 non-indexable addresses even before reload.
1359 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1362 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1363 as having variable size. Do not give an error for unnamed
1364 parameters with [*] declarators. Give a warning for type names
1365 with [*] declarators and mark them as variable size.
1366 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1367 for sizeof applied to [*] type names.
1369 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1372 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1374 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1376 * gcc.c (process_command): Update copyright notice dates.
1377 * gcov.c (print_version): Likewise.
1378 * gcov-dump.c (print_version): Likewise.
1379 * mips-tfile.c (main): Likewise.
1380 * mips-tdump.c (main): Likewise.
1382 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1385 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1386 for composite type involving a zero-length array type.
1388 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1391 * function.c (match_asm_constraints_1): Skip over
1392 initial optional % in the constraint.
1395 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1396 supported, don't accept FIXED_CSTs.
1397 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1398 and _Sat is used without _Fract/_Accum. Set specs->type to
1399 integer_type_node for cts_fract/cts_accum if fixed point is not
1402 2009-02-02 Catherine Moore <clm@codesourcery.com>
1404 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1406 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1408 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1409 (ABI_HAS_64BIT_SYMBOLS): Use it.
1410 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1412 2009-02-02 Paul Brook <paul@codesourcery.com>
1414 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1416 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1419 * recog.h (asm_operand_ok): Add constraints argument.
1420 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1421 recurse on matching constraint.
1422 (check_asm_operands): Pass constraints as 3rd argument to
1423 asm_operand_ok. Don't look up matching constraint here.
1424 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1427 2009-02-02 Ben Elliston <bje@au.ibm.com>
1429 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1430 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1432 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1434 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1435 information. Remove some obsolete information. Reorganize.
1437 * config/pa/fptr.c: Revert license to GPL 2.
1438 * config/pa/milli64.S: Likewise.
1440 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1443 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1444 LIBRARY name in, instead of hard-coding it.
1445 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1446 extra target make frag to tmake_files according to EH model.
1447 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1448 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1449 frags that define makefile variable EH_MODEL appropriately.
1450 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1451 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1452 to "-sjlj" according to type of EH configured.
1453 (LIBGCC_SONAME): Concatenate it to shared library base name.
1454 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1455 to "_sjlj" according to type of EH configured.
1456 (LIBGCC_SONAME): Concatenate it to shared library base name.
1457 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1458 (SHLIB_LINK): Add missing semicolon to if-else construct.
1459 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1460 string value of "pe_dll" command-line option.
1461 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1462 (SHLIB_SONAME): Use it when overriding t-cygming default.
1463 (SHLIB_IMPLIB): Override t-cygming default.
1464 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1465 string value of "pe_dll" command-line option.
1467 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1470 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1471 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1473 2009-01-31 Richard Guenther <rguenther@suse.de>
1475 PR tree-optimization/38937
1476 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1477 computing the transitive closure.
1479 2009-01-30 Richard Guenther <rguenther@suse.de>
1481 PR tree-optimization/39041
1482 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1483 Propagate variable indices only if the types match for this stmt.
1485 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1488 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1489 inline but never defined.
1491 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1493 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1494 (*insv_h_di_reg_extimm): New insn.
1495 (*insv_l<mode>_reg_extimm): New insn.
1497 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1499 * config/picochip/picochip.c (flag_conserve_stack): set
1500 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1501 fconserve-stack. Reduce call-overhead used by inliner.
1503 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1506 * common.opt (flag_conserve_stack): Initialised to zero.
1508 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1511 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1512 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1515 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1517 * ira-color.c (allocno_reload_assign): Update comments.
1518 * regmove.c (regmove_optimize): Likewise.
1522 2009-01-29 Robert Millan <rmh@aybabtu.com>
1524 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1525 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1526 `MD_UNWIND_SUPPORT'.
1527 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1529 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1531 PR tree-optimization/39007
1532 * tree-loop-distribution.c (generate_builtin): Use
1533 recompute_dominator to compute the immediate dominator of the
1534 basic block just after the loop.
1536 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1538 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1539 (ASM_OUTPUT_DWARF_PCREL): Define.
1541 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1543 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1544 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1545 global. Modify entries about regmove and IRA.
1547 * ra-conflict.c: Remove the file.
1549 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1551 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1552 (pass_regclass_init): Rename to pass_reginfo_init.
1554 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1556 * toplev.h (flag_ira): Remove.
1558 * caller-save.c (setup_save_areas): Remove flag_ira.
1560 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1562 * global.c: Remove the file.
1564 * opts.c: (decode_options): Remove flag_ira.
1566 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1568 * regmove.c: Modify file description.
1569 (find_use_as_address, try_auto_increment): Define them only if
1570 AUTO_INC_DEC is defined.
1571 (replacement_quality, replace_in_call_usage, fixup_match_1,
1572 stable_and_no_regs_but_for_p): Remove.
1573 (reg_set_in_bb): Make it static.
1574 (regmove_optimize): Remove flag_ira and code which worked for
1577 * local-alloc.c: Remove the file.
1579 * common.opt (fira): Remove.
1581 * ira.c: Include except.h.
1582 (eliminable_regset): Move from global.c.
1583 (mark_elimination): Ditto. Remove flag_ira.
1584 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1585 equiv_mem_modified, validate_equiv_mem_from_store,
1586 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1587 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1588 no_equiv, recorded_label_ref): Move from local-alloc.c.
1589 (update_equiv_regs): Ditto. Make it static.
1590 (print_insn_chain, print_insn_chains): Move it from global.c.
1591 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1592 (build_insn_chain): Ditto. Make it static.
1593 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1594 Rename to init_live_subregs.
1595 (gate_ira): Remove flag_ira.
1597 * regclass.c: Rename reginfo.c. Change file description.
1598 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1599 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1600 (init_reg_sets_1): Remove code for evaluation of
1601 reg_class_superclasses and losing_caller_save_reg_set.
1602 (init_regs): Remove init_reg_autoinc.
1603 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1604 ok_for_base_p_nonstrict): Remove.
1605 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1606 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1607 corresponding entries.
1608 (dump_regclass, record_operand_costs, scan_one_insn,
1609 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1610 record_address_regs, auto_inc_dec_reg_p): Remove.
1611 (gt-regclass.h): Rename to gt-reginfo.h.
1613 * rtl.h (dump_global_regs, retry_global_alloc,
1614 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1616 * Makefile.in (RA_H): Remove.
1617 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1618 Rename regclass.o to reginfo.o.
1619 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1621 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1622 (GTFILES): Rename regclass.c to reginfo.c.
1624 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1625 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1627 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1628 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1630 (finish_spills): Ditto. Remove code for !flag_ira.
1632 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1635 * doc/invoke.texi (rtl debug options): Complete rewrite.
1636 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1638 * mode-switching.c (pass_mode_switching): Rename pass from
1639 "mode-sw" to "mode_sw".
1640 * except.c (pass_convert_to_eh_ranges): Rename pass from
1641 "eh-ranges" to "eh_ranges".
1642 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1646 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1647 Alexander Monakov <amonakov@ispras.ru>
1650 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1652 (move_exprs_to_boundary): Change return type and pass through
1653 should_move from move_op. Relax assert. Update usage ...
1654 (schedule_expr_on_boundary): ... here. Use should_move instead of
1656 (move_op_orig_expr_found): Indicate that insn was disconnected from
1658 (code_motion_process_successors): Do not call after_merge_succs
1659 callback if original expression was not found when traversing any of
1661 (code_motion_path_driver): Change return type. Update prototype.
1662 (move_op): Update comment. Add a new parameter (should_move). Update
1663 prototype. Set *should_move based on indication provided by
1664 move_op_orig_expr_found.
1666 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1668 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1669 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1670 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1671 * config/rs6000/rs6000.c (rs6000_override_options): Default
1672 avoid-indexed-addresses on for Power6, off for everything else.
1673 (avoiding_indexed_address_p): New function.
1674 (rs6000_legitimize_address): Use it.
1675 (rs6000_legitimate_address): Likewise.
1676 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1678 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1680 PR tree-optimization/38997
1681 * tree-loop-distribution.c (generate_memset_zero): Use
1682 POINTER_PLUS_EXPR for a pointer addition.
1684 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1686 * config/s390/s390.md (bswap<mode>2): New pattern added.
1688 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1690 * config/s390/s390.md (*tls_load_31): Added type attribute.
1692 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1694 * config/s390/s390.md: Fix a few comments.
1696 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1698 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1699 (*tm<mode>_full): Fixed z10prop attribute.
1700 (*tst<mode>_extimm): Fixed z10prop attribute.
1701 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1702 (*tstqiCCT_cconly): Fixed z10prop attribute.
1703 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1704 (*movsi_larl): Fixed z10prop attribute.
1705 (*movsi_zarch): Fixed z10prop attribute.
1706 (*movsi_eas): Fixed z10prop attribute.
1707 (*movhi): Fixed z10prop attribute.
1708 (*movqi): Fixed z10prop attribute.
1709 (*movstrictqi): Fixed z10prop attribute.
1710 (*mov<mode>): Fixed z10prop attribute.
1711 (*movcc): Fixed z10prop attribute.
1712 (*sethighpartdi_64): Fixed z10prop attribute.
1713 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1714 (*negdi2_sign_cc): Fixed z10prop attribute.
1715 (*negdi2_sign): Fixed z10prop attribute.
1716 (*absdi2_sign_cc): Fixed z10prop attribute.
1717 (*absdi2_sign): Fixed z10prop attribute.
1718 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1719 (*negabsdi2_sign): Fixed z10prop attribute.
1720 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1721 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1722 (doloop_si64): Fixed z10prop attribute.
1723 (doloop_si31): Fixed z10prop attribute.
1724 (doloop_long): Fixed z10prop attribute.
1725 (indirect_jump): Fixed z10prop attribute.
1726 (nop): Fixed z10prop attribute.
1727 (main_base_64): Fixed z10prop attribute.
1728 (reload_base_64): Fixed z10prop attribute.
1730 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1732 PR rtl-optimization/38740
1733 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1735 * config/mips/mips.c (mips_reorg): Likewise.
1737 2009-01-28 Richard Guenther <rguenther@suse.de>
1739 PR tree-optimization/38926
1740 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1741 with the correct value id to a value.
1742 (do_regular_insertion): Use the value number of edoubleprime
1743 for the value number of the expr.
1746 2008-08-21 Richard Guenther <rguenther@suse.de>
1748 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1749 a PHI ask VN if it is already available.
1750 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1751 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1753 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1756 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1757 set to varying whenever max has TREE_OVERFLOW set, similarly
1758 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1760 2009-01-28 Richard Guenther <rguenther@suse.de>
1763 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1764 uninitialized aggregate uses in call arguments.
1766 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1768 PR tree-optimization/38984
1769 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1770 the nothing_id variable if -fno-delete-null-pointer-checks.
1772 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1775 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1776 (set_got_offset_rex64): Ditto.
1778 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1781 * doc/extend.texi: Improve local variable with asm reg.
1783 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1785 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1786 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1787 was not supplied then set warn_packed_bitfield_compat to the
1789 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1792 2009-01-27 Richard Guenther <rguenther@suse.de>
1794 PR tree-optimization/38503
1795 * cfgexpand.c (expand_gimple_basic_block): Ignore
1796 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1797 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1798 variables that cannot have TBAA applied.
1799 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1802 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1805 * calls.c (initialize_argument_information): Do not wrap complex
1806 arguments in SAVE_EXPR.
1808 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1810 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1811 (INSTALL_LIBGCC): Revert typo commit.
1813 2009-01-26 Richard Guenther <rguenther@suse.de>
1815 PR tree-optimization/38745
1816 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1817 from special handling.
1819 2009-01-26 Richard Guenther <rguenther@suse.de>
1821 PR tree-optimization/38745
1822 * tree-ssa.c (execute_update_addresses_taken): Do not include
1823 variables that cannot possibly be a register in not_reg_needs.
1824 Do not clear TREE_ADDRESSABLE on vars that may not become
1826 * tree-ssa.c (update_alias_info_1): Include those in the set
1827 of addressable vars.
1829 2009-01-26 Richard Guenther <rguenther@suse.de>
1832 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1833 * tree-ssa-dse.c: Include langhooks.h
1834 (execute_simple_dse): Remove stores with zero size.
1836 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1839 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1842 2009-01-24 Julian Brown <julian@codesourcery.com>
1844 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1845 config/arm/linux-atomic.c.
1846 * config/arm/linux-atomic.c: New.
1848 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1850 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1851 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1852 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1854 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1857 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1860 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1862 PR tree-optimization/38953
1863 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1864 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1865 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1866 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1869 2009-01-24 Paul Brook <paul@codesourcery.com>
1871 * config/arm/neon.md (neon_type): Move to arm.md.
1872 (neon_mov<VSTRUCT>): Add neon_type attribute.
1873 * config/arm/arm.md (neon_type): Move to here.
1874 (conds): Add "unconditioal" and use as default for NEON insns.
1876 2009-01-24 Ben Elliston <bje@au.ibm.com>
1878 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1879 void *' warning from -Wc++-compat.
1880 * Makefile.in (dominance.o-warn): Remove.
1882 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1884 PR tree-optimization/38932
1885 * fold-const.c (fold_unary_ignore_overflow): New.
1886 * tree.h (fold_unary_ignore_overflow): Declare.
1887 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1888 * tree-ssa-sccvn.c (visit_reference_op_load,
1889 simplify_unary_expression): Likewise.
1891 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1893 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1894 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1895 regardless of their type.
1896 * c-common.c (handle_packed_attribute): Don't ignore packed on
1898 * c.opt (Wpacked-bitfield-compat): New warning option.
1899 * stor-layout.c (place_field): Warn if offset of a field changed.
1900 * doc/extend.texi (packed): Mention the ABI change.
1901 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1902 (Warning Options): Add it to the list.
1904 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1906 * c-opts.c (c_common_post_options): Fix a typo in comments.
1908 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1911 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1912 variables to static.
1913 * doc/invoke.texi (-fmerge-all-constants): Update description.
1915 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1918 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1919 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1921 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1923 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1925 (LOCAL_ALIGNMENT): Similarly.
1927 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1928 Joseph Myers <joseph@codesourcery.com>
1930 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1931 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1932 * config/arm/arm-tune.md: Regenerate.
1933 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1936 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1938 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1939 version number to five.
1941 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1944 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1945 * c-common.c (set_underlying_type): Likewise.
1946 (is_typedef_decl ): Likewise
1948 (set_underlying_type): Likewise.
1949 (is_typedef_type): Likewise.
1951 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1954 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1957 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1960 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1961 (LIBGCC_SPEC): Don't define.
1962 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1964 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1966 PR rtl-optimization/38879
1967 * alias.c (base_alias_check): Unaligned access via AND address can
1968 alias all surrounding object types except those with sizes equal
1969 or wider than the size of unaligned access.
1971 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1974 * c-decl.c: (clone_underlying_type): Move this ...
1975 * c-common.c (set_underlying_type): ... here.
1976 Also, make sure the function properly sets TYPE_STUB_DECL() on
1977 the newly created typedef variant type.
1978 (is_typedef_decl ): New entry point.
1979 * tree.h: Added a new member member_types_needing_access_check to
1980 struct tree_decl_non_common.
1981 (set_underlying_type): New entry point.
1982 (is_typedef_type): Likewise.
1984 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1986 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1987 Check whether two instructions have memory references that
1988 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1989 are helper functions for traversing.
1990 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1991 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1992 not to draw dependency edge for instructions with non-conflicting
1995 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1998 * longlong.h: Update copyright years. Use soft-fp license notice.
1999 Sync __clz_tab declaration with glibc.
2001 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2004 * doc/extend.texi (syscall_linkage): New.
2005 (version_id): Modify.
2007 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2008 Richard Guenther <rguenther@suse.de>
2010 PR tree-optimization/38747
2011 PR tree-optimization/38748
2012 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2013 conversion if the base address is an indirect reference and the
2014 aliasing sets could cause issues.
2016 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2018 * common.opt (fgraphite, fgraphite-identity): Add comment for
2019 explaining why these options are not documented.
2021 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2023 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2024 gimple_call_lhs is NULL.
2026 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2029 * emit-rtl.c (adjust_address_1): Make sure memref is never
2032 2009-01-20 Ben Elliston <bje@au.ibm.com>
2034 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2035 const qualifier from arg parameter. Remove unnecessary cast to char *.
2036 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2037 const qualifier from arg 2.
2039 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2041 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2043 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2046 * rtl.h (reinit_regs): New prototype.
2047 * regclass.c: Include ira.h.
2049 * Makefile.in (regclass.o): Add ira.h.
2050 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2052 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2055 * c-common.c (handle_aligned_attribute): Use
2056 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2057 default alignment value.
2059 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2061 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2062 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2064 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2065 __BIGGEST_ALIGNMENT__.
2067 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2069 2009-01-18 Richard Guenther <rguenther@suse.de>
2071 PR tree-optimization/38819
2072 * tree-flow.h (operation_could_trap_helper_p): Declare.
2073 * tree-eh.c (operation_could_trap_helper_p): Export.
2074 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2075 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2076 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2077 are about to insert a possibly trapping instruction and fail
2080 2009-01-18 Andreas Schwab <schwab@suse.de>
2082 * doc/install.texi (Configuration): Remove obsolete paragraph
2083 about use of --with-gnu-ld with --with-gnu-as.
2085 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2087 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2088 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2089 Follow spelling conventions.
2091 2009-01-18 Ben Elliston <bje@au.ibm.com>
2093 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2094 C++ warning about implicit conversion from void * to struct
2096 (bitmap_obstack_free): Likewise for bitmap_element *.
2097 * Makefile.in (bitmap.o-warn): Remove.
2099 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2101 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2103 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2104 Tobias Grosser <tobi.grosser@amd.com>
2106 * graphite.c (graphite_trans_scop_block): Do not block single
2109 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2111 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2112 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2113 test with assertion.
2115 2009-01-16 Richard Guenther <rguenther@suse.de>
2117 PR tree-optimization/38835
2119 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2120 and INT + PTR -> (INT)(PTR p+ INT) folding.
2121 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2123 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2126 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2127 the subreg from a lowpart subreg if it is also casting the value.
2129 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2130 Tobias Grosser <tobi.grosser@amd.com>
2132 * graphite.c (compare_prefix_loops): New.
2133 (build_scop_canonical_schedules): Rewritten.
2134 (graphite_transform_loops): Move build_scop_canonical_schedules
2135 after build_scop_iteration_domain.
2137 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2138 Tobias Grosser <tobi.grosser@amd.com>
2140 * graphite.c (add_conditions_to_domain): Add the loops to
2141 the dimension of the iteration domain. Do copy the domain
2142 only when it exists.
2143 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2144 (add_conditions_to_constraints): New.
2145 (can_generate_code_stmt, can_generate_code): Removed.
2146 (gloog): Do not call can_generate_code.
2147 (graphite_transform_loops): Call add_conditions_to_constraints
2148 after building the iteration domain.
2150 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2152 PR tree-optimization/38789
2153 * tree-ssa-threadedge.c
2154 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2155 __builtin_constant_p.
2157 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2159 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2160 examined before deleting them.
2162 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2164 * function.c (aggregate_value_p): Correctly extract the function
2165 type from CALL_EXPR_FN lookup.
2167 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2169 * config/picochip/picochip.c (picochip_override_options): Revert
2170 CFI asm flag disable commited previously.
2172 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2173 Tobias Grosser <tobi.grosser@amd.com>
2174 Jan Sjodin <jan.sjodin@amd.com>
2176 * graphite.c (scan_tree_for_params): On substractions negate
2177 all the coefficients of the term.
2178 (clast_to_gcc_expression_red): New. Handle reduction expressions
2179 of more than two operands.
2180 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2181 (get_vdef_before_scop): Handle also the case of default definitions.
2183 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2185 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2186 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2187 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2189 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2190 Joey Ye <joey.ye@intel.com>
2193 * cfgexpand.c (expand_stack_alignment): Don't update stack
2194 boundary nor check incoming stack boundary here.
2195 (gimple_expand_cfg): Update stack boundary and check incoming
2196 stack boundary here.
2198 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2200 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2202 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2204 PR rtl-optimization/38245
2205 * calls.c (expand_call): Add stack arguments to
2206 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2207 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2208 in regs and partially in memory or BLKmode arguments.
2209 (emit_library_call_value_1): Add stack arguments to
2210 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2211 ACCUMULATE_OUTGOING_ARGS).
2212 * dce.c: Include tm_p.h.
2213 (find_call_stack_args): New function.
2214 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2216 (mark_insn): Call find_call_stack_args for CALL_Ps.
2217 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2218 forwards. Allocate and free arg_stores bitmap if needed, pass it
2219 down to deletable_insn_p, don't mark stores set in arg_stores
2220 bitmap, clear the bitmap at the beginning of each bb.
2221 * Makefile.in (dce.o): Depend on $(TM_P_H).
2223 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2226 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2227 to make sure the insn is a conditional test (bug 22599). Reformat a
2230 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2233 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2234 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2235 (gloog): Do not call cleanup_tree_cfg.
2236 (graphite_transform_loops): Call cleanup_tree_cfg after all
2237 scops have been code generated.
2239 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2240 * doc/gty.texi (Invoking the garbage collector): Added new node
2241 and section documenting ggc_collect.
2243 2009-01-14 Richard Guenther <rguenther@suse.de>
2245 PR tree-optimization/38826
2247 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2248 initialization notes only if we actually emitted a warning.
2249 (intra_create_variable_infos): Add constraints for a result decl
2250 that is passed by hidden reference.
2251 (build_pred_graph): Mark all related variables non-direct on
2254 2009-01-14 Nick Clifton <nickc@redhat.com>
2256 * ira-conflicts.c: Include addresses.h for the definition of
2258 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2259 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2261 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2264 * Makefile.in (ira-lives.o): Add except.h.
2266 * ira-lives.c: Include except.h.
2267 (process_bb_node_lives): Process can_throw_internal.
2269 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2271 PR rtl-optimization/38774
2272 * combine.c (simplify_set): When undoing cc_use change, don't do
2273 PUT_CODE on the newly created comparison, but instead put back the
2276 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2278 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2279 values. Remove duplicate arm8 entry.
2281 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2283 PR tree-optimization/38786
2284 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2285 the SSA_NAME case of expand_scalar_variables_expr.
2286 Set the type of an expression to the type of its assign statement.
2287 (expand_scalar_variables_expr): Also gather the scalar computation
2288 used to index the memory access. Do not pass loop_p.
2289 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2290 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2291 the gimple_stmt_iterator where it inserts new code.
2293 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2294 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2296 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2298 * graphite.h (debug_value): Removed.
2299 * graphite.c (debug_value): Removed.
2301 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2303 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2304 ldrd/strd with two 32-bit instructions.
2306 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2308 * config/arm/arm.c (struct processors): Pass for speed down into
2309 cost helper functions.
2310 (const_ok_for_op): Handle COMPARE and inequality nodes.
2311 (arm_rtx_costs_1): Rewrite.
2312 (arm_size_rtx_costs): Update prototype.
2313 (arm_rtx_costs): Pass speed down to helper functions.
2314 (arm_slowmul_rtx_costs): Rework cost calculations.
2315 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2316 (arm_9e_rtx_costs): Likewise.
2318 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2320 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2321 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2322 (alpha_legitimize_address): Do not split local symbols wider than
2323 UNITS_PER_WORD into HIGH/LO_SUM parts.
2325 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2328 * gcc.c (process_command): Replace call to execvp with calls
2329 to pex_one and exit.
2331 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2334 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2335 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2336 variant for devices with 3-byte PC.
2337 (__tablejump_elpm__) : New.
2339 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2342 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2343 offsetof member-designator, handle it as `[0].'.
2345 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2347 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2348 function when not using named sections on targets with named sections
2349 if branch distance is less than 262132.
2351 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2353 * combine.c (combine_instructions): Recompute
2354 optimize_this_for_speed_p for each BB in the main combine loop.
2356 2009-01-12 Tomas Bily <tbily@suse.cz>
2359 * tree-loop-distribution.c (prop_phis): New function.
2360 (generate_builtin): Call prop_phis.
2361 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2363 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2365 PR tree-optimization/38807
2366 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2367 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2369 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2371 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2372 subreg of op0 to the original op0.
2374 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2376 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2378 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2381 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2382 starting with digits.
2384 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2387 * config/arm/arm.c (arm_is_long_call_p): Don't call
2388 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2390 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2392 * regrename.c (regrename_optimize): Fix dumping.
2393 (find_oldest_value_reg): Preserve REG_POINTER.
2394 (copy_hardreg_forward_1): Likewise.
2396 2009-01-09 Diego Novillo <dnovillo@google.com>
2398 * gimple.h (struct gimple_statement_base) <uid>: Document
2399 the restrictions on its use.
2401 (gimple_set_uid): Tidy.
2403 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2405 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2406 zero guard even if align_bytes != 0 and count is smaller than
2409 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2411 PR rtl-optimization/38495
2412 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2413 (add_range_and_copies_from_move_list): Print all added ranges.
2414 Add ranges to memory optimized destination.
2416 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2420 * config/i386/i386.c (override_options): Reject
2421 -mstringop-strategy=rep_8byte with -m32.
2422 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2423 to 1. Do count comparison against epilogue_size_needed at compile
2424 time even when count_exp was constant forced into register. For
2425 size_needed don't jump to epilogue, instead just avoid aligning
2426 and invoke the body algorithm. If need_zero_guard, add zero guard
2427 even if count is non-zero, but smaller than size_needed + number of
2428 bytes that could be stored for alignment.
2429 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2430 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2431 but smaller than size_needed + number of bytes that could be stored
2432 for alignment. Compare size_needed with epilogue_size_needed instead
2433 of desired_align - align, don't adjust size_needed, pass
2434 epilogue_size_needed to the epilogue expanders.
2437 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2439 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2441 * pa.c (last_address): Change to unsigned.
2442 (update_total_code_bytes): Change argument to unsigned. Don't
2443 check if insn addresses are set.
2444 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2445 addresses are not set.
2446 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2448 2009-01-09 Nick Clifton <nickc@redhat.com>
2450 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2451 DECL_DECLARED_INLINE_P.
2453 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2456 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2457 GET_MODE (op0) in operand_subword_force calls.
2460 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2461 fold_convert arg0 operands to TREE_TYPE (op0) first.
2463 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2465 * params.def (ira-max-conflict-table-size): Decrease default value
2468 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2470 PR tree-optimization/37031
2471 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2473 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2474 allocate it using gc instead of heap, use VEC_quick_push instead of
2476 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2477 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2478 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2479 allocated vector from heap allocated.
2480 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2481 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2482 vector only after perfect_loop_nest_depth call.
2484 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2485 Jan Sjodin <jan.sjodin@amd.com>
2487 PR tree-optimization/38559
2488 * graphite.c (debug_value, copy_constraint,
2489 swap_constraint_variables, scale_constraint_variable, ): New.
2490 (get_lower_bound, get_upper_bound): Removed.
2491 (graphite_trans_bb_strip_mine): Clean up this code that works
2492 only for constant number of iterations. Fully copy upper and
2493 lower bound constraints, not only the constant part of them.
2494 * graphite.h (debug_value): Declared.
2496 2009-01-08 Ira Rosen <irar@il.ibm.com>
2498 PR tree-optimization/37194
2499 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2500 Don't add the cost of cost model guard in prologue to scalar
2501 outside cost in case of known number of iterations.
2503 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2504 Alan Modra <amodra@bigpond.net.au>
2506 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2507 non-word-aligned REG+CONST addressing.
2509 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2512 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2513 free_after_compilation when outputting a thunk.
2514 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2515 Do not call free_after_compilation here.
2517 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2519 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2520 (ix86_valid_target_attribute_inner_p): Ditto.
2522 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2524 PR tree-optimization/38492
2525 PR tree-optimization/38498
2526 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2527 * tree-chrec.h (scev_is_linear_expression): Declared.
2528 * graphite.c (graphite_cannot_represent_loop_niter): New.
2529 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2530 (graphite_loop_normal_form): Use gcc_assert.
2531 (scan_tree_for_params): Use CASE_CONVERT.
2532 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2533 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2534 Use gcc_assert. Discard scops that contain unhandled cases.
2535 (build_scop_conditions): Return a boolean status for unhandled cases.
2536 (strip_mine_profitable_p): Print the loop number, not its depth.
2537 (is_interchange_valid): Pass the depth of the loop nest, don't
2538 recompute it wrongly.
2539 (graphite_trans_bb_block): Same.
2540 (graphite_trans_bb_block): Print tentative of loop blocking.
2541 (graphite_trans_scop_block): Do not print that the loop has been
2543 (graphite_transform_loops): Do not handle scops that contain condition
2546 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2548 AVX Programming Reference (December, 2008)
2549 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2550 (_mm256_stream_pd): Likewise.
2551 (_mm256_stream_ps): Likewise.
2553 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2554 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2555 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2556 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2557 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2558 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2559 (ix86_expand_special_args_builtin): Likewise.
2561 * config/i386/sse.md (AVXMODEDI): New.
2562 (avx_movnt<mode>): Likewise.
2563 (avx_movnt<mode>): Likewise.
2564 (<sse>_movnt<mode>): Remove AVX support.
2565 (sse2_movntv2di): Likewise.
2567 2009-01-07 Richard Guenther <rguenther@suse.de>
2570 * fold-const.c (extract_muldiv): Remove obsolete comment.
2571 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2572 to PLUS_EXPR canonicalization for the canonicalization.
2574 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2576 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2577 hosted cross-compilers generating less efficient code.
2579 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2581 * function.h (rtl_data): Add a dbr_scheduled_p field.
2582 * reorg.c (dbr_schedule): Set it.
2583 (gate_handle_delay_slots): Check it.
2584 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2585 (mips_reorg): Check flag_delayed_branch instead of
2586 mips_base_delayed_branch.
2587 (mips_override_options): Don't set mips_base_delayed_branch
2588 or flag_delayed_branch.
2590 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2592 PR rtl-optimization/38426.
2593 * ira.c (ira): Set current_function_is_leaf earlier.
2595 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2597 PR rtl-optimization/38722
2598 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2599 too early, only set a flag and modify after last possible
2602 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2605 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2606 * real.c (decimal_single_format): Correct values of emin and emax.
2607 (decimal_double_format): Ditto.
2608 (decimal_quad_format): Ditto.
2609 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2610 computation of DECnn_MIN and DECnn_MAX for corrected values of
2611 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2612 __DECnn_MIN__, and adjust its computation for the corrected value
2615 2009-01-06 Jan Hubicka <jh@suse.cz>
2618 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2620 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2622 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2623 Add Robert Clark to the list of testers.
2625 2009-01-06 Jan Hubicka <jh@suse.cz>
2626 Kai Tietz <kai.tietz@onevision.com>
2628 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2629 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2631 2009-01-06 Jan Hubicka <jh@suse.cz>
2632 Kai Tietz <kai.tietz@onevision.com>
2634 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2636 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2637 (ix86_nsaved_regs): Count only general purpose regs.
2638 (ix86_nsaved_sseregs): New.
2639 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2640 to 16 for w64; compute padding and size of sse reg save area.
2641 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2642 general purpose regs.
2643 (ix86_emit_save_sse_regs_using_mov): New.
2644 (ix86_expand_prologue): Save SSE regs if needed.
2645 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2646 (ix86_emit_restore_sse_regs_using_mov): New.
2647 (ix86_expand_epilogue): Save SSE regs if needed.
2649 2009-01-06 Jan Hubicka <jh@suse.cz>
2650 Kai Tietz <kai.tietz@onevision.com>
2652 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2653 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2654 functions when accumulate outgoing args is off.
2656 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2659 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2660 before using pseudos_have_intersected_live_ranges_p.
2662 * ira-int.h (ira_assert): Always define.
2664 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2666 AVX Programming Reference (December, 2008)
2667 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2668 (_mm256_permute2_pd): Likewise.
2669 (_mm_permute2_ps): Likewise.
2670 (_mm256_permute2_ps): Likewise.
2671 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2672 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2674 * config/i386/i386.c (ix86_builtins): Remove
2675 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2676 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2677 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2678 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2679 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2680 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2681 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2682 __builtin_ia32_vpermil2ps256.
2683 (ix86_init_mmx_sse_builtins): Updated.
2684 (ix86_expand_args_builtin): Likewise.
2686 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2688 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2689 long absolute calls when generating PA 2.0 code.
2691 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2693 PR rtl-optimization/38583
2694 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2696 * params.def (ira-max-conflict-table-size): New.
2698 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2700 * ira.h (ira_conflicts_p): New external definition.
2702 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2703 table. Report this. Return result of building.
2704 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2705 building conflict table.
2707 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2708 (ira_color): Use ira_conflicts_p.
2710 * global.c: Include ira.h.
2711 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2714 * Makefile.in (global.o): Add ira.h.
2716 * ira-build.c (mark_all_loops_for_removal,
2717 propagate_some_info_from_allocno): New.
2718 (remove_unnecessary_allocnos): Call
2719 propagate_some_info_from_allocno.
2720 (remove_low_level_allocnos): New.
2721 (remove_unnecessary_regions): Add parameter. Call
2722 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2723 parameter to remove_unnecessary_regions.
2724 (ira_build): Remove all regions but root if the conflict table was
2725 not built. Update conflict hard regs for allocnos crossing calls.
2727 * ira.c (ira_conflicts_p): New global.
2728 (ira): Define and use ira_conflicts_p.
2730 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2731 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2732 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2734 2009-01-06 Ben Elliston <bje@au.ibm.com>
2736 * gengtype-lex.l (YY_NO_INPUT): Define.
2738 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2741 * c-common.c (handle_vector_size_attribute): Also reject
2744 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2746 PR tree-optimization/38492
2747 * graphite.c (rename_map_elt, debug_rename_elt,
2748 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2749 rename_map_elt_info, eq_rename_map_elts,
2750 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2751 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2752 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2753 (sese_build_livein_liveouts): New.
2754 (new_sese, free_sese): New.
2755 (new_scop): Call new_sese.
2756 (free_scop): Call free_sese.
2757 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2758 (register_old_new_names): Renamed register_old_and_new_names.
2759 (register_scop_liveout_renames, add_loop_exit_phis,
2760 insert_loop_close_phis, struct igp,
2761 default_liveout_before_guard, add_guard_exit_phis,
2762 insert_guard_phis, copy_renames): New.
2763 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2764 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2765 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2766 (scop_adjust_phis_for_liveouts): New.
2767 (gloog): Call scop_adjust_phis_for_liveouts.
2769 * graphite.h (struct sese): Documented. Added fields liveout,
2771 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2772 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2773 (struct scop): Added field liveout_renames.
2774 (SCOP_LIVEOUT_RENAMES): New.
2776 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2778 PR tree-optimization/38510
2779 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2780 (translate_clast): Call recompute_all_dominators before
2782 (gloog): Call recompute_all_dominators before graphite_verify.
2784 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2785 Jan Sjodin <jan.sjodin@amd.com>
2787 PR tree-optimization/38500
2788 * graphite.c (create_sese_edges): Call fix_loop_structure after
2791 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2793 * config.gcc: Add m32r*-*-rtems*.
2794 * config/m32r/rtems.h: New file.
2796 2009-01-05 Ben Elliston <bje@au.ibm.com>
2798 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2799 (.po.pox): Likewise.
2800 (po/gcc.pot): Likewise.
2802 2009-01-04 David S. Miller <davem@davemloft.net>
2804 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2805 (STARTING_FRAME_OFFSET): Always set to zero.
2807 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2809 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2810 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2811 fixed-point types, and vectors of the same.
2813 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2815 * config/mips/sync.md (*mb_barrier): Rename to...
2816 (*memory_barrier): ...this.
2818 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2820 * doc/extend.texi (Function Attributes): Move @cindex after @item
2821 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2822 and put in alphabetical order. Fix 'target' name and put in order.
2823 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2826 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2828 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2829 (memory_barrier): Expand as unspec instead of unspec_volatile.
2830 Remove mem:BLK from insn operands. Use Pmode scratch register.
2831 (*memory_barrier): Define as unspec instead of unspec_volatile.
2832 Use (match_dup 0) as input operand.
2834 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2835 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2836 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2837 scratch register. Remove operand 1.
2838 (*stbar): Define as unspec instead of unspec_volatile.
2839 Use (match_dup 0) as input operand, remove (const_int 8).
2840 (*membar): Define as unspec instead of unspec_volatile.
2841 Use (match_dup 0) as input operand, remove input operand 2.
2843 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2844 (memory_barrier): Expand as unspec instead of unspec_volatile.
2845 Remove mem:BLK from insn operands. Use Pmode scratch register.
2846 (*memory_barrier): Define as unspec instead of unspec_volatile.
2847 Use (match_dup 0) as input operand.
2849 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2850 Remove mem:BLK from insn operands. Use Pmode scratch register.
2851 Set volatile flag on operand 0.
2852 (*memory_barrier): New insn pattern.
2854 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2856 (*memory_barrier): Use (match_dup 0) as input operand.
2858 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2859 Remove mem:BLK from insn operands. Use Pmode scratch register.
2860 Set volatile flag on operand 0.
2861 (*mb_internal): New insn pattern.
2863 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2865 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2868 * function.c (struct temp_slot): Move to the section of the file
2869 that deals with temp slots. Remove field 'address'.
2870 (temp_slot_address_table): New hash table of address -> temp slot.
2871 (struct temp_slot_address_entry): New struct, items for the table.
2872 (temp_slot_address_compute_hash, temp_slot_address_hash,
2873 temp_slot_address_eq, insert_temp_slot_address): Support functions
2875 (find_temp_slot_from_address): Rewrite to use the new hash table.
2876 (remove_unused_temp_slot_addresses): Remove addresses of temp
2877 slots that have been made available.
2878 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2879 worker function for remove_unused_temp_slot_addresses.
2880 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2881 Add the temp slot address to the address -> temp slot map.
2882 (update_temp_slot_address): Update via insert_temp_slot_address.
2883 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2884 (pop_temp_slots): Likewise.
2885 (init_temp_slots): Allocate the address -> temp slot map, or empty
2886 the map if it is already allocated.
2887 (prepare_function_start): Initialize temp slot processing.
2889 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2892 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2893 Calculate the size of all stack vars assuming no packing of stack
2894 vars will happen, replacing a quadratic algorithm with a linear one.
2896 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2899 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2902 2009-01-03 Diego Novillo <dnovillo@google.com>
2904 * doc/contrib.texi: Update contributions.
2906 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2909 * builtins.c (fold_builtin_memory_op): Give up if either operand
2910 is volatile. Set srctype or desttype to non-qualified version
2914 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2917 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2919 PR rtl-optimization/35805
2920 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2921 problem if fast dce is able to remove any instructions.
2922 * dce.c (dce_process_block): Fix dump message.
2924 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2927 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2929 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2932 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2933 * tree-pretty-print.c (op_code_prio): New function.
2934 (op_prio): No longer static. Use op_code_prio.
2935 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2936 Use op_prio and op_code_prio to determine if () should be
2937 printed around operand(s) or not.
2939 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2940 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2941 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2942 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2943 pp_character instead of pp_string for single letter printing.
2945 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2947 * doc/extend.texi: Fix '#pragma GCC option' typo.
2949 2009-01-02 Richard Guenther <rguenther@suse.de>
2951 * doc/install.texi (--enable-checking): Mention different
2953 (--enable-stage1-checking): Document.
2955 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2958 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2959 case to be an error.
2961 2009-01-02 Ben Elliston <bje@au.ibm.com>
2963 * config/fp-bit.h (pack_d): Constify argument.
2964 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2965 (isnan): Constify argument.
2969 (_fpadd_parts): Constify return type.
2970 (_fpmul_parts): Likewise.
2971 (_fpdiv_parts): Likewise.
2973 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2976 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2977 warn about overwriting initializer with side-effects or
2978 -Woverride-init if !IMPLICIT.
2979 (output_init_element): Likewise. Pass IMPLICIT down to
2981 (process_init_element): Add IMPLICIT argument. Pass it down
2982 to output_init_element.
2983 (push_init_element, pop_init_level, set_designator): Adjust
2984 process_init_element callers.
2985 (set_nonincremental_init, set_nonincremental_init_from_string):
2986 Adjust add_pending_init callers.
2987 (output_pending_init_elements): Adjust output_init_element callers.
2988 * c-tree.h (process_init_element): Adjust prototype.
2989 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2990 process_init_element callers.