1 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
4 * config/i386/i386.c (ix86_expand_push): Don't set memory
7 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
10 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
11 (avx_addsubv4df3): Likewise.
12 (*avx_addsubv4sf3): Likewise.
13 (sse3_addsubv4sf3): Likewise.
15 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
18 * config/i386/i386.md: Compare REGNO on the new peephole2
21 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
24 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
25 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
26 registers for allocnos created from user-defined variables.
28 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
31 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
32 of non-integer mode as well.
34 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
36 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
37 for functions for which the parameter types are unknown.
39 2009-03-11 Jakub Jelinek <jakub@redhat.com>
42 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
44 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
45 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
46 * config/i386/i386.c (ix86_local_alignment): For
47 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
48 long long variables on the stack to avoid dynamic realignment.
49 Allow the first argument to be a decl rather than type.
50 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
52 2009-03-11 Nick Clifton <nickc@redhat.com>
55 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
57 Add description to mno-lsim option.
58 * config/mcore/mcore.h: Remove comment about deprecated m4align
60 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
61 * doc/invoke.texi: Add description of mno-lsim and
62 mstack-increment options.
64 * config/fr30/fr30.opt: Document the -mno-lsim option.
65 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
66 and -mno-lsim options.
68 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
70 * fold-const.c (fold_comparison): Only call fold_inf_compare
71 if the mode supports infinities.
73 2009-03-11 Jason Merrill <jason@redhat.com>
76 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
77 end already did. Notice GIMPLE_CALL modifications of the result.
78 Don't copy debug information from an ignored decl or a decl from
81 2009-03-10 Richard Guenther <rguenther@suse.de>
82 Nathan Froyd <froydnj@codesourcery.com>
85 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
87 (__divMODE3): Likewise.
89 2009-03-09 Jakub Jelinek <jakub@redhat.com>
91 PR tree-optimization/39394
92 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
93 DECL_SIZE_UNIT of variable length FIELD_DECLs.
95 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
97 * recog.c (verfiy_changes): Disallow renaming of hard regs in
98 inline asms for register asm ("") declarations.
100 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
102 * fold-const.c (fold_unary): Fix comment.
104 2009-03-07 Jan Hubicka <jh@suse.cz>
107 * tree-inline.c (setup_one_parameter): Do replacement of const argument
108 by constant in SSA form.
110 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
113 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
114 determine alignment passed to assign_stack_local.
115 (assign_parms_unsplit_complex): Likewise.
116 * except.c (sjlj_build_landing_pads): Likewise.
118 2009-03-06 Jakub Jelinek <jakub@redhat.com>
121 * tree-flow.h (add_referenced_var): Return bool instead of void.
122 * tree-dfa.c (add_referenced_var): Return result of
123 referenced_var_check_and_insert call.
124 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
125 of referenced_var_check_and_insert.
128 * dwarf2out.c (add_abstract_origin_attribute): Return
130 (gen_variable_die): Emit DW_AT_location on abstract static variable's
131 DIE, don't emit it if abstract origin already has it.
132 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
133 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
135 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
137 * genpreds.c: (needs_variable): Fix parentheses at variable name
139 (write_tm_constrs_h): Indent generated code.
141 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
143 * doc/extend.texi (Function Attributes): Add documentation
146 2009-03-06 Jakub Jelinek <jakub@redhat.com>
149 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
150 take locus from its DECL_SOURCE_LOCATION instead of input_location.
152 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
154 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
157 2009-03-05 Jakub Jelinek <jakub@redhat.com>
160 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
161 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
163 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
165 * config/i386/i386.md (R8_REG, R9_REG): New constants.
166 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
167 constants instead of magic numbers.
168 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
170 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
171 (x86_64_ms_abi_int_parameter_registers): Ditto.
172 (x86_64_int_return_registers): Ditto.
173 (ix86_maybe_switch_abi): Ditto.
174 (ix86_expand_call): Ditto for clobbered_registers array.
175 (ix86_hard_regno_mode_ok): Ditto.
176 (x86_extended_QIreg_mentioned_p): Ditto.
178 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
180 PR tree-optimization/39349
181 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
183 * combine.c (gen_lowpart_for_combine): Use omode when generating
186 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
188 PR rtl-optimization/39235
189 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
191 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
193 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
195 2009-03-04 Richard Guenther <rguenther@suse.de>
197 PR tree-optimization/39362
198 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
199 that occur in abnormal PHIs should be varying.
201 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
203 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
205 (simple_iv): Take loop as an argument instead of statement.
206 * tree-scalar-evolution.h (simple_iv): Declaration changed.
207 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
209 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
211 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
212 * matrix-reorg.c (analyze_transpose): Ditto.
213 * tree-data-ref.c (dr_analyze_innermost): Ditto.
214 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
215 * tree-predcom.c (ref_at_iteration): Ditto.
216 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
218 2009-03-04 Richard Guenther <rguenther@suse.de>
220 PR tree-optimization/39358
221 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
222 escaped_id and callused_id.
223 (solve_graph): Likewise.
225 2009-03-04 Richard Guenther <rguenther@suse.de>
227 PR tree-optimization/39339
228 * tree-sra.c (try_instantiate_multiple_fields): Make it
229 no longer ICE on the above.
231 2009-03-03 Joseph Myers <joseph@codesourcery.com>
233 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
234 that fits within Pmode.
236 2009-03-03 Steve Ellcey <sje@cup.hp.com>
239 * tm.texi (LIBCALL_VALUE): Update description.
241 2009-03-03 Steve Ellcey <sje@cup.hp.com>
244 * doc/extend.texi (section): Update description.
246 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
249 * tree-inline.c (remapped_type): New.
250 (can_be_nonlocal): Call remapped_type instead of remap_type.
252 2009-03-03 Jakub Jelinek <jakub@redhat.com>
255 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
256 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
258 2009-03-03 Richard Guenther <rguenther@suse.de>
261 * tree.c (tree_nonartificial_location): New function.
262 * tree.h (tree_nonartificial_location): Declare.
263 * builtins.c (expand_builtin_memory_chk): Provide location
264 of the call location for artificial function pieces.
265 (maybe_emit_chk_warning): Likewise.
266 (maybe_emit_sprintf_chk_warning): Likewise.
267 (maybe_emit_free_warning): Likewise.
268 * expr.c (expand_expr_real_1): Likewise.
270 2009-03-03 Jakub Jelinek <jakub@redhat.com>
272 PR tree-optimization/39343
273 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
274 COMPONENT_REF t has ARRAY_TYPE.
276 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
279 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
280 when the type precision of the induction variable should be
281 larger than the type precision of nit.
282 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
283 * graphite.c (graphite_loop_normal_form): Same.
284 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
286 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
288 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
289 (*call_1_rex64_ms_sysv): Use named constants instead of magic
290 numbers to describe clobbered registers.
291 (*call_value_0_rex64_ms_sysv): Ditto.
292 * config/i386/mmx.md (mmx_emms): Ditto.
295 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
297 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
300 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
302 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
303 (spu_section_type_flags): New function.
305 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
307 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
308 reg_class_contents of FLOAT_REGS into a temporary.
310 2009-03-02 Richard Guenther <rguenther@suse.de>
311 Ira Rosen <irar@il.ibm.com>
313 PR tree-optimization/39318
314 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
315 information to the vectorized statement.
317 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
319 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
320 variable. Use defined names instead of magic constants for REX SSE
323 2009-03-01 Richard Guenther <rguenther@suse.de>
325 PR tree-optimization/39331
326 * omp-low.c (lower_send_shared_vars): Do not receive new
327 values for the reference of DECL_BY_REFERENCE parms or results.
329 2009-03-01 Jan Hubicka <jh@suse.cz>
332 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
333 BLOCK_NONLOCALIZED_VAR): New macros.
334 (tree_block): Add nonlocalized_vars.
335 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
336 gen_decl_die): Add origin argument. Allow generation of die with
338 (gen_member_die, gen_type_die_with_usage, force_decl_die,
339 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
341 (gen_block_die): Fix checking for unused blocks.
342 (process_scope_var): Break out from .... ; work with origins only.
343 (decls_for_scope) ... here; process nonlocalized list.
344 (dwarf2out_ignore_block): Look for nonlocalized vars.
345 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
347 (dump_scope_block): Dump them.
348 * tree-inline.c (remap_decls): Handle nonlocalized vars.
349 (remap_block): Likewise.
350 (can_be_nonlocal): New predicate.
351 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
353 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
355 * configure: Regenerate.
357 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
359 * optc-gen.awk: No need to duplicate option flags twice.
360 Reuse help texts for duplicate options which do not have
363 * gcc.c (display_help): Document --version.
365 * gcc.c (main): If print_help_list and verbose_flag, ensure
366 driver output comes before subprocess output.
368 * optc-gen.awk: Assign all remaining fields to help string,
369 space-separated, for multi-line help in *.opt.
371 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
372 -Wno-pedantic-ms-format is for MinGW targets only.
374 * doc/options.texi (Option file format): Fix bad indentation,
375 restoring dropped sentence.
377 2009-02-28 Jan Hubicka <jh@suse.cz>
379 * tree-inline.c (tree_function_versioning): Output debug info.
381 2009-02-28 Jan Hubicka <jh@suse.cz>
384 * tree-inline.c (setup_one_parameter): Do not copy propagate
385 arguments when not optimizing.
387 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
390 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
391 (avx_addsubv4df3): Likewise.
392 (*avx_addsubv4sf3): Likewise.
393 (sse3_addsubv4sf3): Likewise.
394 (*avx_addsubv2df3): Likewise.
395 (sse3_addsubv2df3): Likewise.
396 (avx_unpckhps256): Correct item selectors.
397 (avx_unpcklps256): Likewise.
398 (avx_unpckhpd256): Likewise.
399 (avx_unpcklpd256): Likewise.
401 2009-02-28 Jan Hubicka <jh@suse.cz>
403 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
405 (copy_arguments_for_versioning): If var is declared don't declare it.
406 (tree_function_versioning): First setup substitutions and then copy
409 2009-02-27 Jan Hubicka <jh@suse.cz>
412 * cgraph.h (varpool_output_debug_info): Remove.
413 * cgraphunit.c (varpool_output_debug_info): Remove.
414 * dwarf2out.c (deferred_locations_struct): New struct
415 (deferred_locations): New type.
416 (deferred_locations_list): New static var.
417 (deffer_location): New function.
418 (gen_variable_die): Use it.
419 (decls_for_scope): Output info on local static vars.
420 (dwarf2out_finish): Process deferred locations.
421 * varpool.c (varpool_output_debug_info): Remove.
423 2009-02-27 Jan Hubicka <jh@suse.cz>
426 * tree.h (TREE_PROTECTED): Fix comment.
427 (BLOCK_HANDLER_BLOCK): Remove.
428 (struct tree_block): Remove handler_block add body_block.
429 (inlined_function_outer_scope_p): New.
430 (is_body_block): Remove.
431 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
432 * dwarf2out.c (is_inlined_entry_point): Remove.
433 (add_high_low_attributes): Use inlined_function_outer_scope_p.
434 (gen_block_die): Use is_inlined_entry_point check. Remove body block
436 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
437 * gimplify.c (gimplify_expr): Gimplify body blocks.
438 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
439 block with multiple subblocks.
440 (dump_scope_block): Prettier output; dump more flags and info.
441 (dump_scope_blocks): New.
442 (remove_unused_locals): Use dump_scope_blocks.
443 * tree-flow.h (dump_scope_blocks): Declare.
444 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
445 * stmt.c (is_body_block): Remove.
446 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
447 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
449 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
452 * graphite.c (graphite_loop_normal_form): Do not call
453 number_of_iterations_exit from a gcc_assert.
455 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
457 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
458 jumps if COND is NULL.
459 (find_cond_jump): New function.
460 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
461 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
463 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
465 * config/alpha/alpha.h (alpha_expand_mov): Return false if
466 force_const_mem returns NULL_RTX.
468 2009-02-26 Jan Hubicka <jh@suse.cz>
471 * cgraph.h (varpool_output_debug_info): Remove.
472 * cgraphunit.c (varpool_output_debug_info): Remove.
473 * dwarf2out.c (deferred_locations_struct): New struct
474 (deferred_locations): New type.
475 (deferred_locations_list): New static var.
476 (deffer_location): New function.
477 (gen_variable_die): Use it.
478 (decls_for_scope): Output info on local static vars.
479 (dwarf2out_finish): Process deferred locations.
480 * varpool.c (varpool_output_debug_info): Remove.
482 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
484 PR rtl-optimization/39241
485 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
486 to subreg_offset_representable_p.
488 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
490 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
491 execute function prototype. Get f and nregs from max_reg_num
492 and get_insns. Remove the first backward pass as it's dead,
493 guard the forward pass by flag_expensive_optimizations.
494 (rest_of_handle_regmove): Delete.
495 (pass_regmove): Replace it with regmove_optimize.
497 2009-02-25 Martin Jambor <mjambor@suse.cz>
499 PR tree-optimization/39259
500 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
501 calls_alloca function flags.
502 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
505 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
507 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
508 flags_set_1_rtx, flags_set_1_set): Delete.
509 (regmove_optimize): Do not call mark_flags_life_zones.
511 2009-02-24 Julian Brown <julian@codesourcery.com>
514 * config/arm/arm.c (require_pic_register): Only set
515 cfun->machine->pic_reg once per function.
517 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
519 * doc/invoke.texi (Link Options): Document an easier way to pass
520 options that take arguments to the GNU linker using -Xlinker and -Wl.
522 2009-02-24 Steve Ellcey <sje@cup.hp.com>
525 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
527 2009-02-24 Richard Guenther <rguenther@suse.de>
530 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
532 2009-02-24 Richard Guenther <rguenther@suse.de>
533 Zdenek Dvorak <ook@ucw.cz>
535 PR tree-optimization/39233
536 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
537 from converting them to a generic type.
539 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
541 PR tree-optimization/39260
542 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
543 contains a condition with a real type.
544 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
546 2009-02-23 Jason Merrill <jason@redhat.com>
549 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
550 narrowing_initializer_constant_valid_p.
551 (narrowing_initializer_constant_valid_p): Don't return
552 null_pointer_node for adding a pointer to itself.
554 2009-02-23 Jan Hubicka <jh@suse.cz>
557 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
560 2009-02-23 Jan Hubicka <jh@suse.cz>
562 PR tree-optimization/37709
563 * tree.c (block_ultimate_origin): Move here from dwarf2out.
564 * tree.h (block_ultimate_origin): Declare.
565 * dwarf2out.c (block_ultimate_origin): Move to tree.c
566 * tree-ssa-live.c (remove_unused_scope_block_p):
567 Eliminate blocks containig no instructions nor live variables nor
569 (dump_scope_block): New function.
570 (remove_unused_locals): Enable removal of dead blocks by default;
571 enable dumping at TDF_DETAILS.
573 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
575 * config/i386/i386.c (classify_argument): Don't allow COImode
577 (function_arg_advance_32): Don't allow OImode.
578 (function_arg_32): Likewise.
579 (function_value_32): Likewise.
580 (return_in_memory_32): Likewise.
581 (function_arg_64): Remove OImode comment.
583 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
586 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
587 ix86_expand_vector_set for V4DImode in 64bit mode only.
588 (ix86_expand_vector_init_one_var): Likewise.
590 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
592 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
594 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
597 * loop-iv.c: Revert last change.
598 * emit-rtl.c: Likewise.
600 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
603 * config/i386/i386.c (type_natural_mode): Remove an extra
604 space in the warning message.
605 (function_value_32): Handle 32-byte vector modes.
606 (return_in_memory_32): Likewise.
608 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
610 * loop-iv.c (truncate_value): New function.
611 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
613 (lowpart_subreg): Move to...
614 * emit-rtl.c: ...here.
616 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
618 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
619 accidental and undocumented change at revision 140860.
621 2009-02-21 Joseph Myers <joseph@codesourcery.com>
623 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
624 take gimple_seq * arguments.
625 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
626 types_compatible_p langhook.
628 2009-02-20 Mark Mitchell <mark@codesourcery.com>
629 Joseph Myers <joseph@codesourcery.com>
631 * config/arm/arm.c (arm_builtin_va_list): New function.
632 (arm_expand_builtin_va_start): Likewise.
633 (arm_gimplify_va_arg_expr): Likewise.
634 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
635 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
636 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
637 (va_list_type): New variable.
638 (arm_mangle_type): Mangle va_list_type appropriately.
640 2009-02-20 Jakub Jelinek <jakub@redhat.com>
643 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
644 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
645 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
646 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
647 parameter to 1000 for -O1 by default.
648 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
650 * loop-invariant.c: Include params.h.
651 (move_loop_invariants): Don't call move_single_loop_invariants on
654 2009-02-20 Jaka Mocnik <jaka@xlab.si>
656 * calls.c (emit_library_call_value_1): Use slot_offset instead of
657 offset when calculating bounds for indexing stack_usage_map. Fixes
658 a buffer overflow with certain target setups.
660 2009-02-20 Jakub Jelinek <jakub@redhat.com>
663 * calls.c (expand_call): Clear try_tail_call if caller and callee
664 disagree in promotion of function return value.
666 2009-02-19 Jakub Jelinek <jakub@redhat.com>
669 * c-common.c (c_determine_visibility): If visibility changed and
670 DECL_RTL has been already set, call make_decl_rtl to update symbol
673 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
676 * varasm.c (assemble_variable): Don't check DECL_NAME when
677 globalizing a variable.
679 2009-02-19 Joseph Myers <joseph@codesourcery.com>
682 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
683 expression before any __builtin_trap call.
684 * c-typeck.c (build_function_call): Convert and check function
685 arguments before generating a call to a trap. Evaluate the
686 function arguments before the trap.
688 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
691 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
692 (UNSPEC_FXAM_MEM): New unspec.
693 (fxam<mode>2_i387_with_temp): New insn and split pattern.
694 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
695 memory using fxam<mode>2_i387_with_temp to remove excess precision.
697 2009-02-19 Richard Guenther <rguenther@suse.de>
699 PR tree-optimization/39207
700 PR tree-optimization/39074
701 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
702 storedanything_tree): New.
703 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
704 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
705 (build_succ_graph): Add edges from STOREDANYTHING to all
707 (init_base_vars): Initialize STOREDANYTHING.
708 (compute_points_to_sets): Free substitution info after
709 building the succ graph.
710 (ipa_pta_execute): Likewise.
712 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
714 (do_ds_constraint): Do not add to special var or non-pointer
716 (type_could_have_pointers): Split out from ...
717 (could_have_pointers): ... here. For arrays use the element type.
718 (create_variable_info_for): Initialize may_have_pointers.
719 (new_var_info): Likewise.
720 (handle_lhs_call): Make the HEAP variable unknown-sized.
721 (intra_create_variable_infos): Use a type with pointers for
722 PARM_NOALIAS, make it unknown-sized.
724 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
727 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
729 2009-02-18 Jason Merrill <jason@redhat.com>
732 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
733 value if DECL_EXTERNAL.
734 * tree-sra.c (sra_walk_gimple_assign): Likewise.
735 * target.h (gcc_target::binds_local_p): Clarify "module".
736 * tree.h (TREE_PUBLIC): Clarify "module".
738 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
741 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
742 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
744 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
747 * c.opt (Wabi): Support C and ObjC.
750 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
752 * config/i386/i386.c (classify_argument): Warn once about the ABI
753 change when passing union with long double.
755 * doc/invoke.texi: Update -Wabi for warning psABI changes.
757 2009-02-18 Joseph Myers <joseph@codesourcery.com>
760 * c-parser.c (c_parser_compound_statement): Always enter and leave
763 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
766 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
768 2009-02-18 Jakub Jelinek <jakub@redhat.com>
770 PR tree-optimization/36922
771 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
772 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
775 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
777 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
780 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
782 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
784 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
786 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
789 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
790 Richard Sandiford <rdsandiford@googlemail.com>
792 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
793 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
794 (loongson_biadd): ...this.
796 2009-02-17 Richard Guenther <rguenther@suse.de>
798 PR tree-optimization/39202
799 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
800 a var make sure to follow existing collapses.
802 2009-02-17 Richard Guenther <rguenther@suse.de>
805 * langhooks.c (lhd_print_error_function): Check for NULL block.
807 2009-02-17 Richard Guenther <rguenther@suse.de>
809 PR tree-optimization/39204
810 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
813 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
815 * config/soft-fp/double.h: Update from glibc CVS.
817 2009-02-17 Richard Guenther <rguenther@suse.de>
819 PR tree-optimization/39207
820 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
821 strict-aliasing warnings for pointers pointing to NULL.
823 2009-02-16 Joseph Myers <joseph@codesourcery.com>
826 * c-parser.c (c_parser_braced_init): Call pop_init_level when
827 skipping until next close brace.
829 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
832 * config/i386/i386.c (ix86_expand_push): Set memory alignment
833 to function argument boundary.
835 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
837 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
838 in the lea_add. Reload eventually constraints it properly.
839 * config/picochip/constraints.md : Remove the target constraint
840 "b", since it is not needed anymore.
842 2009-02-16 Jakub Jelinek <jakub@redhat.com>
844 * gthr-dce.h: Uglify function parameter and local variable names.
845 * gthr-gnat.h: Likewise.
846 * gthr-mipssde.h: Likewise.
847 * gthr-nks.h: Likewise.
848 * gthr-posix95.h: Likewise.
849 * gthr-posix.h: Likewise.
850 * gthr-rtems.h: Likewise.
851 * gthr-single.h: Likewise.
852 * gthr-solaris.h: Likewise.
853 * gthr-tpf.h: Likewise.
854 * gthr-vxworks.h: Likewise.
855 * gthr-win32.h: Likewise.
857 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
860 * config/i386/i386.md: Restrict the new peephole2 to move
861 between MMX/SSE registers.
863 2009-02-15 Richard Guenther <rguenther@suse.de>
866 2009-02-13 Richard Guenther <rguenther@suse.de>
868 * configure.ac: Enable LFS.
869 * configure: Re-generate.
870 * config.in: Likewise.
872 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
874 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
875 spu_srqwbyte, spu_srqwbytebc): Define.
876 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
877 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
878 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
879 "shrqby_<mode>"): New insn-and-split patterns.
880 * config/spu/spu.c (expand_builtin_args): Determine and return
881 number of operands using spu_builtin_description data.
882 (spu_expand_builtin_1): Use it.
884 2009-02-13 Steve Ellcey <sje@cup.hp.com>
887 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
890 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
893 * config/i386/i386.c (override_options): Correct warning
894 messages for -malign-loops, -malign-jumps and -malign-functions.
896 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
899 * config/i386/i386.md: Restrict the new peephole2 to move
900 between the general purpose registers.
902 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
905 * config/i386/i386.c (type_natural_mode): Add a new argument.
906 Return the original mode and warn ABI change if vector size is 32byte.
907 (function_arg_advance): Updated.
908 (function_arg): Likewise.
909 (ix86_function_value): Likewise.
910 (ix86_return_in_memory): Likewise.
911 (ix86_sol10_return_in_memory): Likewise.
912 (ix86_gimplify_va_arg): Likewise.
913 (function_arg_32): Don't warn ABX ABI change here.
914 (function_arg_64): Likewise.
916 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
918 * loop-iv.c (implies_p): In the final case, test that operands 0
919 of the two comparisons match.
921 * config/bfin/bfin.c (find_prev_insn_start): New function.
922 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
923 (find_next_insn_start): Move.
925 2009-02-13 Richard Guenther <rguenther@suse.de>
927 * configure.ac: Enable LFS.
928 * configure: Re-generate.
929 * config.in: Likewise.
931 2009-02-13 Joseph Myers <joseph@codesourcery.com>
934 * c-parser.c (c_parser_parms_list_declarator): Discard pending
935 sizes on syntax error after some arguments have been parsed.
937 2009-02-12 Jakub Jelinek <jakub@redhat.com>
939 * doc/invoke.texi (-fira): Remove.
941 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
943 * caller-save.c: Replace regclass.c with reginfo.c in comments.
947 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
949 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
950 (umul_ppmm): Likewise.
951 (count_leading_zeros): Likewise.
952 (count_trailing_zeros): Likewise.
953 (UMUL_TIME): Likewise.
955 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
957 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
958 soft-fp/t-softfp to tmake_file.
960 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
961 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
962 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
963 IA64_BUILTIN_INFQ]: New.
964 (ia64_init_builtins): Initialize __builtin_infq,
965 __builtin_fabsq and __builtin_copysignq if not HPUX.
966 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
967 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
969 * config/ia64/lib1funcs.asm (__divtf3): Define only if
971 (__fixtfti): Likewise.
972 (__fixunstfti): Likewise.
973 (__floattitf): Likewise.
975 * config/ia64/libgcc-glibc.ver: New.
976 * config/ia64/t-fprules-softfp: Likewise.
977 * config/ia64/sfp-machine.h: Likewise.
979 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
980 (LIBGCC2_TF_CEXT): Likewise.
982 (TARGET_INIT_LIBFUNCS): Likewise.
984 * config/ia64/t-glibc (SHLINB_MAPFILES):
985 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
987 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
989 * config/i386/i386.c (construct_container): Rewrite processing
990 BLKmode with X86_64_SSE_CLASS.
992 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
995 * config/i386/i386.md: Replace simplify_replace_rtx with
996 replace_rtx in the new peephole2.
998 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1000 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1001 loop unrolling do not happen at -O2.
1003 2009-02-12 Michael Matz <matz@suse.de>
1005 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1007 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1009 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1012 2009-02-12 Ben Elliston <bje@au.ibm.com>
1014 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1015 patterns when updating the back chain. Missed in the 2009-02-10
1018 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1020 * doc/extend.texi (Decimal Floating Types): Update identifier of
1021 draft TR and list of missing support.
1023 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1026 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1027 bit to variable length decl's flags, add it also to its
1028 pointer replacement variable.
1030 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1031 Jakub Jelinek <jakub@redhat.com>
1034 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1035 (memory_blockage): New expander.
1036 (*memory_blockage): New insn pattern.
1037 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1038 instead of general blockage at the end of function prologue when
1039 frame pointer is used to access red zone area. Do not emit blockage
1040 when profiling, it is emitted in generic code.
1041 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1042 function epilogue when frame pointer is used to access red zone area.
1044 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1047 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1048 by arithmetic with memory operands.
1049 * config/i386/predicates.md (commutative_operator): New.
1051 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1053 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1056 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1058 * alias.h (record_alias_subset): Declare.
1059 * alias.c (record_alias_subset): Make global.
1061 2009-02-10 Nick Clifton <nickc@redhat.com>
1063 * tree-parloops.c: Change license to GPLv3.
1064 * ipa-struct-reorg.c: Change license to GPLv3.
1065 * ipa-struct-reorg.h: Change license to GPLv3.
1067 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1070 * c-decl.c (start_struct): Return NULL on error.
1072 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1075 * cfgloopmanip.c (remove_path): Call remove_bbs after
1076 cancel_loop_tree, not before it.
1079 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1080 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1081 VAR_DECLs were seen.
1082 * tree-ssa-live.c (remove_unused_locals): Recompute
1083 cfun->has_local_explicit_reg_vars.
1084 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1085 copies or clearings if cfun->has_local_explicit_reg_vars.
1087 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1090 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1091 of function prologue when frame pointer is used to access
1094 2009-02-10 Richard Guenther <rguenther@suse.de>
1097 * gimplify.c (gimple_regimplify_operands): Always look if
1098 we need to create a temporary.
1100 2009-02-10 Richard Guenther <rguenther@suse.de>
1102 PR tree-optimization/39132
1103 * tree-loop-distribution.c (todo): New global var.
1104 (generate_memset_zero): Trigger TODO_rebuild_alias.
1105 (tree_loop_distribution): Return todo.
1107 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1110 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1111 (x86_64_reg_class_name): Removed.
1112 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1113 first one isn't X86_64_SSE_CLASS or any other ones aren't
1114 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1115 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1116 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1117 and 3 X86_64_SSEUP_CLASS.
1118 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1119 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1121 2009-02-10 Ben Elliston <bje@au.ibm.com>
1123 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1124 form instruction to update the stack back chain word, even if the
1125 user has disabled the generation of update instructions.
1126 (movdi_<mode>_update_stack): New.
1127 (movsi_update_stack): Likewise.
1128 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1129 always use an update form instruction to update the stack back
1132 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1135 * graphite.c (if_region_set_false_region): After moving a region in
1136 the false branch of a condition, remove the empty dummy basic block.
1137 (gloog): Remove wrong fix for PR38953.
1139 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1141 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1142 generation due to implicit sign extension.
1144 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1147 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1148 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1150 2009-02-09 Richard Guenther <rguenther@suse.de>
1153 * convert.c (convert_to_real): Disable (float)fn((double)x)
1154 to fnf(x) conversion if errno differences may occur and
1155 -fmath-errno is set.
1157 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1159 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1160 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1161 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1163 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1166 * c-common.c (handle_alias_attribute): Disallow attribute for
1167 anything not a FUNCTION_DECL or VAR_DECL.
1169 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1172 * real.c (do_compare): Special-case compare of zero against
1173 decimal float value.
1175 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1178 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1179 as indicating flexible array members unless the field itself is
1180 being declarared as the incomplete array.
1182 2009-02-06 Jan Hubicka <jh@suse.cz>
1184 PR tree-optimization/38844
1185 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1188 2009-02-06 Richard Guenther <rguenther@suse.de>
1191 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1192 fork because we may expand it as __gcov_fork.
1194 2009-02-06 Nick Clifton <nickc@redhat.com>
1196 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1198 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1200 PR tree-optimization/35659
1201 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1202 vn_phi_eq): Shortcut if hashcode does not match.
1203 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1205 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1206 and avoid iterative_hash_expr.
1207 (FOR_EACH_VALUE_ID_IN_SET): New.
1208 (value_id_compare): Remove.
1209 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1210 sort expressions by value id.
1212 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1215 * config/sh/predicates.md (general_movsrc_operand): Don't check
1216 the subreg of system registers here.
1218 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1221 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1224 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1226 PR rtl-optimization/39110
1227 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1228 addresses, not aligned ones.
1230 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1231 Richard Guenther <rguenther@suse.de>
1233 PR tree-optimization/39100
1234 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1235 comment says and add edges.
1237 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1240 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1241 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1243 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1245 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1246 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1247 register_bb_in_sese, new_sese, free_sese): Moved.
1248 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1249 outermost_loop_in_scop, build_scop_iteration_domain,
1250 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1251 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1252 Use loop_in_sese_p instead of loop_in_scop_p.
1253 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1254 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1255 (scopdet_basic_block_info): Fix bug in scop detection.
1256 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1257 eq_loop_to_cloog_loop): Remove.
1258 (nb_loops_around_loop_in_scop, nb_loop
1259 ref_nb_loops): Moved here...
1260 * graphite.h (ref_nb_loops): ... from here.
1261 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1262 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1263 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1264 * testsuite/gcc.dg/graphite/scop-19.c: New
1266 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1267 Hans-Peter Nilsson <hp@axis.com>
1269 PR rtl-optimization/37889
1270 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1271 Move offset handling from PLUS to before the switch. Use new
1272 arguments when considering SYMBOL_REFs too.
1273 (rtx_addr_can_trap_p): Pass dummy offset and size.
1274 (enum may_trap_p_flags): Remove.
1275 (may_trap_p_1): Pass size from MEM_SIZE.
1277 PR rtl-optimization/38921
1278 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1279 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1280 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1281 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1283 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1285 AVX Programming Reference (January, 2009)
1286 * config/i386/sse.md (*vpclmulqdq): New.
1288 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1290 PR tree-optimization/38977
1291 PR gcov-profile/38292
1292 * calls.c (special_function_p): Disregard __builtin_ prefix.
1294 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1296 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1297 non-indexable addresses even before reload.
1299 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1302 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1303 as having variable size. Do not give an error for unnamed
1304 parameters with [*] declarators. Give a warning for type names
1305 with [*] declarators and mark them as variable size.
1306 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1307 for sizeof applied to [*] type names.
1309 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1312 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1314 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1316 * gcc.c (process_command): Update copyright notice dates.
1317 * gcov.c (print_version): Likewise.
1318 * gcov-dump.c (print_version): Likewise.
1319 * mips-tfile.c (main): Likewise.
1320 * mips-tdump.c (main): Likewise.
1322 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1325 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1326 for composite type involving a zero-length array type.
1328 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1331 * function.c (match_asm_constraints_1): Skip over
1332 initial optional % in the constraint.
1335 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1336 supported, don't accept FIXED_CSTs.
1337 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1338 and _Sat is used without _Fract/_Accum. Set specs->type to
1339 integer_type_node for cts_fract/cts_accum if fixed point is not
1342 2009-02-02 Catherine Moore <clm@codesourcery.com>
1344 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1346 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1348 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1349 (ABI_HAS_64BIT_SYMBOLS): Use it.
1350 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1352 2009-02-02 Paul Brook <paul@codesourcery.com>
1354 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1356 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1359 * recog.h (asm_operand_ok): Add constraints argument.
1360 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1361 recurse on matching constraint.
1362 (check_asm_operands): Pass constraints as 3rd argument to
1363 asm_operand_ok. Don't look up matching constraint here.
1364 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1367 2009-02-02 Ben Elliston <bje@au.ibm.com>
1369 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1370 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1372 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1374 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1375 information. Remove some obsolete information. Reorganize.
1377 * config/pa/fptr.c: Revert license to GPL 2.
1378 * config/pa/milli64.S: Likewise.
1380 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1383 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1384 LIBRARY name in, instead of hard-coding it.
1385 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1386 extra target make frag to tmake_files according to EH model.
1387 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1388 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1389 frags that define makefile variable EH_MODEL appropriately.
1390 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1391 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1392 to "-sjlj" according to type of EH configured.
1393 (LIBGCC_SONAME): Concatenate it to shared library base name.
1394 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1395 to "_sjlj" according to type of EH configured.
1396 (LIBGCC_SONAME): Concatenate it to shared library base name.
1397 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1398 (SHLIB_LINK): Add missing semicolon to if-else construct.
1399 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1400 string value of "pe_dll" command-line option.
1401 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1402 (SHLIB_SONAME): Use it when overriding t-cygming default.
1403 (SHLIB_IMPLIB): Override t-cygming default.
1404 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1405 string value of "pe_dll" command-line option.
1407 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1410 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1411 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1413 2009-01-31 Richard Guenther <rguenther@suse.de>
1415 PR tree-optimization/38937
1416 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1417 computing the transitive closure.
1419 2009-01-30 Richard Guenther <rguenther@suse.de>
1421 PR tree-optimization/39041
1422 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1423 Propagate variable indices only if the types match for this stmt.
1425 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1428 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1429 inline but never defined.
1431 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1433 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1434 (*insv_h_di_reg_extimm): New insn.
1435 (*insv_l<mode>_reg_extimm): New insn.
1437 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1439 * config/picochip/picochip.c (flag_conserve_stack): set
1440 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1441 fconserve-stack. Reduce call-overhead used by inliner.
1443 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1446 * common.opt (flag_conserve_stack): Initialised to zero.
1448 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1451 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1452 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1455 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1457 * ira-color.c (allocno_reload_assign): Update comments.
1458 * regmove.c (regmove_optimize): Likewise.
1462 2009-01-29 Robert Millan <rmh@aybabtu.com>
1464 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1465 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1466 `MD_UNWIND_SUPPORT'.
1467 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1469 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1471 PR tree-optimization/39007
1472 * tree-loop-distribution.c (generate_builtin): Use
1473 recompute_dominator to compute the immediate dominator of the
1474 basic block just after the loop.
1476 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1478 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1479 (ASM_OUTPUT_DWARF_PCREL): Define.
1481 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1483 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1484 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1485 global. Modify entries about regmove and IRA.
1487 * ra-conflict.c: Remove the file.
1489 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1491 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1492 (pass_regclass_init): Rename to pass_reginfo_init.
1494 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1496 * toplev.h (flag_ira): Remove.
1498 * caller-save.c (setup_save_areas): Remove flag_ira.
1500 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1502 * global.c: Remove the file.
1504 * opts.c: (decode_options): Remove flag_ira.
1506 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1508 * regmove.c: Modify file description.
1509 (find_use_as_address, try_auto_increment): Define them only if
1510 AUTO_INC_DEC is defined.
1511 (replacement_quality, replace_in_call_usage, fixup_match_1,
1512 stable_and_no_regs_but_for_p): Remove.
1513 (reg_set_in_bb): Make it static.
1514 (regmove_optimize): Remove flag_ira and code which worked for
1517 * local-alloc.c: Remove the file.
1519 * common.opt (fira): Remove.
1521 * ira.c: Include except.h.
1522 (eliminable_regset): Move from global.c.
1523 (mark_elimination): Ditto. Remove flag_ira.
1524 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1525 equiv_mem_modified, validate_equiv_mem_from_store,
1526 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1527 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1528 no_equiv, recorded_label_ref): Move from local-alloc.c.
1529 (update_equiv_regs): Ditto. Make it static.
1530 (print_insn_chain, print_insn_chains): Move it from global.c.
1531 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1532 (build_insn_chain): Ditto. Make it static.
1533 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1534 Rename to init_live_subregs.
1535 (gate_ira): Remove flag_ira.
1537 * regclass.c: Rename reginfo.c. Change file description.
1538 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1539 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1540 (init_reg_sets_1): Remove code for evaluation of
1541 reg_class_superclasses and losing_caller_save_reg_set.
1542 (init_regs): Remove init_reg_autoinc.
1543 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1544 ok_for_base_p_nonstrict): Remove.
1545 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1546 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1547 corresponding entries.
1548 (dump_regclass, record_operand_costs, scan_one_insn,
1549 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1550 record_address_regs, auto_inc_dec_reg_p): Remove.
1551 (gt-regclass.h): Rename to gt-reginfo.h.
1553 * rtl.h (dump_global_regs, retry_global_alloc,
1554 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1556 * Makefile.in (RA_H): Remove.
1557 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1558 Rename regclass.o to reginfo.o.
1559 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1561 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1562 (GTFILES): Rename regclass.c to reginfo.c.
1564 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1565 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1567 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1568 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1570 (finish_spills): Ditto. Remove code for !flag_ira.
1572 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1575 * doc/invoke.texi (rtl debug options): Complete rewrite.
1576 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1578 * mode-switching.c (pass_mode_switching): Rename pass from
1579 "mode-sw" to "mode_sw".
1580 * except.c (pass_convert_to_eh_ranges): Rename pass from
1581 "eh-ranges" to "eh_ranges".
1582 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1586 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1587 Alexander Monakov <amonakov@ispras.ru>
1590 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1592 (move_exprs_to_boundary): Change return type and pass through
1593 should_move from move_op. Relax assert. Update usage ...
1594 (schedule_expr_on_boundary): ... here. Use should_move instead of
1596 (move_op_orig_expr_found): Indicate that insn was disconnected from
1598 (code_motion_process_successors): Do not call after_merge_succs
1599 callback if original expression was not found when traversing any of
1601 (code_motion_path_driver): Change return type. Update prototype.
1602 (move_op): Update comment. Add a new parameter (should_move). Update
1603 prototype. Set *should_move based on indication provided by
1604 move_op_orig_expr_found.
1606 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1608 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1609 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1610 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1611 * config/rs6000/rs6000.c (rs6000_override_options): Default
1612 avoid-indexed-addresses on for Power6, off for everything else.
1613 (avoiding_indexed_address_p): New function.
1614 (rs6000_legitimize_address): Use it.
1615 (rs6000_legitimate_address): Likewise.
1616 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1618 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1620 PR tree-optimization/38997
1621 * tree-loop-distribution.c (generate_memset_zero): Use
1622 POINTER_PLUS_EXPR for a pointer addition.
1624 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1626 * config/s390/s390.md (bswap<mode>2): New pattern added.
1628 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1630 * config/s390/s390.md (*tls_load_31): Added type attribute.
1632 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1634 * config/s390/s390.md: Fix a few comments.
1636 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1638 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1639 (*tm<mode>_full): Fixed z10prop attribute.
1640 (*tst<mode>_extimm): Fixed z10prop attribute.
1641 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1642 (*tstqiCCT_cconly): Fixed z10prop attribute.
1643 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1644 (*movsi_larl): Fixed z10prop attribute.
1645 (*movsi_zarch): Fixed z10prop attribute.
1646 (*movsi_eas): Fixed z10prop attribute.
1647 (*movhi): Fixed z10prop attribute.
1648 (*movqi): Fixed z10prop attribute.
1649 (*movstrictqi): Fixed z10prop attribute.
1650 (*mov<mode>): Fixed z10prop attribute.
1651 (*movcc): Fixed z10prop attribute.
1652 (*sethighpartdi_64): Fixed z10prop attribute.
1653 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1654 (*negdi2_sign_cc): Fixed z10prop attribute.
1655 (*negdi2_sign): Fixed z10prop attribute.
1656 (*absdi2_sign_cc): Fixed z10prop attribute.
1657 (*absdi2_sign): Fixed z10prop attribute.
1658 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1659 (*negabsdi2_sign): Fixed z10prop attribute.
1660 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1661 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1662 (doloop_si64): Fixed z10prop attribute.
1663 (doloop_si31): Fixed z10prop attribute.
1664 (doloop_long): Fixed z10prop attribute.
1665 (indirect_jump): Fixed z10prop attribute.
1666 (nop): Fixed z10prop attribute.
1667 (main_base_64): Fixed z10prop attribute.
1668 (reload_base_64): Fixed z10prop attribute.
1670 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1672 PR rtl-optimization/38740
1673 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1675 * config/mips/mips.c (mips_reorg): Likewise.
1677 2009-01-28 Richard Guenther <rguenther@suse.de>
1679 PR tree-optimization/38926
1680 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1681 with the correct value id to a value.
1682 (do_regular_insertion): Use the value number of edoubleprime
1683 for the value number of the expr.
1686 2008-08-21 Richard Guenther <rguenther@suse.de>
1688 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1689 a PHI ask VN if it is already available.
1690 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1691 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1693 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1696 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1697 set to varying whenever max has TREE_OVERFLOW set, similarly
1698 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1700 2009-01-28 Richard Guenther <rguenther@suse.de>
1703 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1704 uninitialized aggregate uses in call arguments.
1706 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1708 PR tree-optimization/38984
1709 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1710 the nothing_id variable if -fno-delete-null-pointer-checks.
1712 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1715 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1716 (set_got_offset_rex64): Ditto.
1718 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1721 * doc/extend.texi: Improve local variable with asm reg.
1723 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1725 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1726 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1727 was not supplied then set warn_packed_bitfield_compat to the
1729 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1732 2009-01-27 Richard Guenther <rguenther@suse.de>
1734 PR tree-optimization/38503
1735 * cfgexpand.c (expand_gimple_basic_block): Ignore
1736 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1737 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1738 variables that cannot have TBAA applied.
1739 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1742 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1745 * calls.c (initialize_argument_information): Do not wrap complex
1746 arguments in SAVE_EXPR.
1748 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1750 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1751 (INSTALL_LIBGCC): Revert typo commit.
1753 2009-01-26 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/38745
1756 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1757 from special handling.
1759 2009-01-26 Richard Guenther <rguenther@suse.de>
1761 PR tree-optimization/38745
1762 * tree-ssa.c (execute_update_addresses_taken): Do not include
1763 variables that cannot possibly be a register in not_reg_needs.
1764 Do not clear TREE_ADDRESSABLE on vars that may not become
1766 * tree-ssa.c (update_alias_info_1): Include those in the set
1767 of addressable vars.
1769 2009-01-26 Richard Guenther <rguenther@suse.de>
1772 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1773 * tree-ssa-dse.c: Include langhooks.h
1774 (execute_simple_dse): Remove stores with zero size.
1776 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1779 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1782 2009-01-24 Julian Brown <julian@codesourcery.com>
1784 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1785 config/arm/linux-atomic.c.
1786 * config/arm/linux-atomic.c: New.
1788 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1790 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1791 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1792 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1794 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1797 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1800 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1802 PR tree-optimization/38953
1803 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1804 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1805 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1806 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1809 2009-01-24 Paul Brook <paul@codesourcery.com>
1811 * config/arm/neon.md (neon_type): Move to arm.md.
1812 (neon_mov<VSTRUCT>): Add neon_type attribute.
1813 * config/arm/arm.md (neon_type): Move to here.
1814 (conds): Add "unconditioal" and use as default for NEON insns.
1816 2009-01-24 Ben Elliston <bje@au.ibm.com>
1818 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1819 void *' warning from -Wc++-compat.
1820 * Makefile.in (dominance.o-warn): Remove.
1822 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1824 PR tree-optimization/38932
1825 * fold-const.c (fold_unary_ignore_overflow): New.
1826 * tree.h (fold_unary_ignore_overflow): Declare.
1827 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1828 * tree-ssa-sccvn.c (visit_reference_op_load,
1829 simplify_unary_expression): Likewise.
1831 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1833 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1834 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1835 regardless of their type.
1836 * c-common.c (handle_packed_attribute): Don't ignore packed on
1838 * c.opt (Wpacked-bitfield-compat): New warning option.
1839 * stor-layout.c (place_field): Warn if offset of a field changed.
1840 * doc/extend.texi (packed): Mention the ABI change.
1841 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1842 (Warning Options): Add it to the list.
1844 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1846 * c-opts.c (c_common_post_options): Fix a typo in comments.
1848 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1851 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1852 variables to static.
1853 * doc/invoke.texi (-fmerge-all-constants): Update description.
1855 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1858 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1859 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1861 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1863 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1865 (LOCAL_ALIGNMENT): Similarly.
1867 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1868 Joseph Myers <joseph@codesourcery.com>
1870 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1871 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1872 * config/arm/arm-tune.md: Regenerate.
1873 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1876 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1878 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1879 version number to five.
1881 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1884 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1885 * c-common.c (set_underlying_type): Likewise.
1886 (is_typedef_decl ): Likewise
1888 (set_underlying_type): Likewise.
1889 (is_typedef_type): Likewise.
1891 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1894 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1897 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1900 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1901 (LIBGCC_SPEC): Don't define.
1902 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1904 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1906 PR rtl-optimization/38879
1907 * alias.c (base_alias_check): Unaligned access via AND address can
1908 alias all surrounding object types except those with sizes equal
1909 or wider than the size of unaligned access.
1911 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1914 * c-decl.c: (clone_underlying_type): Move this ...
1915 * c-common.c (set_underlying_type): ... here.
1916 Also, make sure the function properly sets TYPE_STUB_DECL() on
1917 the newly created typedef variant type.
1918 (is_typedef_decl ): New entry point.
1919 * tree.h: Added a new member member_types_needing_access_check to
1920 struct tree_decl_non_common.
1921 (set_underlying_type): New entry point.
1922 (is_typedef_type): Likewise.
1924 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1926 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1927 Check whether two instructions have memory references that
1928 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1929 are helper functions for traversing.
1930 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1931 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1932 not to draw dependency edge for instructions with non-conflicting
1935 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1938 * longlong.h: Update copyright years. Use soft-fp license notice.
1939 Sync __clz_tab declaration with glibc.
1941 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1944 * doc/extend.texi (syscall_linkage): New.
1945 (version_id): Modify.
1947 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1948 Richard Guenther <rguenther@suse.de>
1950 PR tree-optimization/38747
1951 PR tree-optimization/38748
1952 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1953 conversion if the base address is an indirect reference and the
1954 aliasing sets could cause issues.
1956 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1958 * common.opt (fgraphite, fgraphite-identity): Add comment for
1959 explaining why these options are not documented.
1961 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1963 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1964 gimple_call_lhs is NULL.
1966 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1969 * emit-rtl.c (adjust_address_1): Make sure memref is never
1972 2009-01-20 Ben Elliston <bje@au.ibm.com>
1974 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1975 const qualifier from arg parameter. Remove unnecessary cast to char *.
1976 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1977 const qualifier from arg 2.
1979 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1981 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1983 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1986 * rtl.h (reinit_regs): New prototype.
1987 * regclass.c: Include ira.h.
1989 * Makefile.in (regclass.o): Add ira.h.
1990 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1992 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1995 * c-common.c (handle_aligned_attribute): Use
1996 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1997 default alignment value.
1999 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2001 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2002 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2004 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2005 __BIGGEST_ALIGNMENT__.
2007 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2009 2009-01-18 Richard Guenther <rguenther@suse.de>
2011 PR tree-optimization/38819
2012 * tree-flow.h (operation_could_trap_helper_p): Declare.
2013 * tree-eh.c (operation_could_trap_helper_p): Export.
2014 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2015 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2016 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2017 are about to insert a possibly trapping instruction and fail
2020 2009-01-18 Andreas Schwab <schwab@suse.de>
2022 * doc/install.texi (Configuration): Remove obsolete paragraph
2023 about use of --with-gnu-ld with --with-gnu-as.
2025 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2027 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2028 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2029 Follow spelling conventions.
2031 2009-01-18 Ben Elliston <bje@au.ibm.com>
2033 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2034 C++ warning about implicit conversion from void * to struct
2036 (bitmap_obstack_free): Likewise for bitmap_element *.
2037 * Makefile.in (bitmap.o-warn): Remove.
2039 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2041 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2043 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2044 Tobias Grosser <tobi.grosser@amd.com>
2046 * graphite.c (graphite_trans_scop_block): Do not block single
2049 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2051 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2052 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2053 test with assertion.
2055 2009-01-16 Richard Guenther <rguenther@suse.de>
2057 PR tree-optimization/38835
2059 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2060 and INT + PTR -> (INT)(PTR p+ INT) folding.
2061 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2063 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2066 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2067 the subreg from a lowpart subreg if it is also casting the value.
2069 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2070 Tobias Grosser <tobi.grosser@amd.com>
2072 * graphite.c (compare_prefix_loops): New.
2073 (build_scop_canonical_schedules): Rewritten.
2074 (graphite_transform_loops): Move build_scop_canonical_schedules
2075 after build_scop_iteration_domain.
2077 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2078 Tobias Grosser <tobi.grosser@amd.com>
2080 * graphite.c (add_conditions_to_domain): Add the loops to
2081 the dimension of the iteration domain. Do copy the domain
2082 only when it exists.
2083 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2084 (add_conditions_to_constraints): New.
2085 (can_generate_code_stmt, can_generate_code): Removed.
2086 (gloog): Do not call can_generate_code.
2087 (graphite_transform_loops): Call add_conditions_to_constraints
2088 after building the iteration domain.
2090 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2092 PR tree-optimization/38789
2093 * tree-ssa-threadedge.c
2094 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2095 __builtin_constant_p.
2097 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2099 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2100 examined before deleting them.
2102 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2104 * function.c (aggregate_value_p): Correctly extract the function
2105 type from CALL_EXPR_FN lookup.
2107 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2109 * config/picochip/picochip.c (picochip_override_options): Revert
2110 CFI asm flag disable commited previously.
2112 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2113 Tobias Grosser <tobi.grosser@amd.com>
2114 Jan Sjodin <jan.sjodin@amd.com>
2116 * graphite.c (scan_tree_for_params): On substractions negate
2117 all the coefficients of the term.
2118 (clast_to_gcc_expression_red): New. Handle reduction expressions
2119 of more than two operands.
2120 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2121 (get_vdef_before_scop): Handle also the case of default definitions.
2123 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2125 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2126 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2127 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2129 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2130 Joey Ye <joey.ye@intel.com>
2133 * cfgexpand.c (expand_stack_alignment): Don't update stack
2134 boundary nor check incoming stack boundary here.
2135 (gimple_expand_cfg): Update stack boundary and check incoming
2136 stack boundary here.
2138 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2140 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2142 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2144 PR rtl-optimization/38245
2145 * calls.c (expand_call): Add stack arguments to
2146 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2147 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2148 in regs and partially in memory or BLKmode arguments.
2149 (emit_library_call_value_1): Add stack arguments to
2150 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2151 ACCUMULATE_OUTGOING_ARGS).
2152 * dce.c: Include tm_p.h.
2153 (find_call_stack_args): New function.
2154 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2156 (mark_insn): Call find_call_stack_args for CALL_Ps.
2157 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2158 forwards. Allocate and free arg_stores bitmap if needed, pass it
2159 down to deletable_insn_p, don't mark stores set in arg_stores
2160 bitmap, clear the bitmap at the beginning of each bb.
2161 * Makefile.in (dce.o): Depend on $(TM_P_H).
2163 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2166 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2167 to make sure the insn is a conditional test (bug 22599). Reformat a
2170 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2173 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2174 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2175 (gloog): Do not call cleanup_tree_cfg.
2176 (graphite_transform_loops): Call cleanup_tree_cfg after all
2177 scops have been code generated.
2179 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2180 * doc/gty.texi (Invoking the garbage collector): Added new node
2181 and section documenting ggc_collect.
2183 2009-01-14 Richard Guenther <rguenther@suse.de>
2185 PR tree-optimization/38826
2187 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2188 initialization notes only if we actually emitted a warning.
2189 (intra_create_variable_infos): Add constraints for a result decl
2190 that is passed by hidden reference.
2191 (build_pred_graph): Mark all related variables non-direct on
2194 2009-01-14 Nick Clifton <nickc@redhat.com>
2196 * ira-conflicts.c: Include addresses.h for the definition of
2198 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2199 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2201 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2204 * Makefile.in (ira-lives.o): Add except.h.
2206 * ira-lives.c: Include except.h.
2207 (process_bb_node_lives): Process can_throw_internal.
2209 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2211 PR rtl-optimization/38774
2212 * combine.c (simplify_set): When undoing cc_use change, don't do
2213 PUT_CODE on the newly created comparison, but instead put back the
2216 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2218 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2219 values. Remove duplicate arm8 entry.
2221 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2223 PR tree-optimization/38786
2224 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2225 the SSA_NAME case of expand_scalar_variables_expr.
2226 Set the type of an expression to the type of its assign statement.
2227 (expand_scalar_variables_expr): Also gather the scalar computation
2228 used to index the memory access. Do not pass loop_p.
2229 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2230 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2231 the gimple_stmt_iterator where it inserts new code.
2233 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2234 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2236 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2238 * graphite.h (debug_value): Removed.
2239 * graphite.c (debug_value): Removed.
2241 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2243 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2244 ldrd/strd with two 32-bit instructions.
2246 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2248 * config/arm/arm.c (struct processors): Pass for speed down into
2249 cost helper functions.
2250 (const_ok_for_op): Handle COMPARE and inequality nodes.
2251 (arm_rtx_costs_1): Rewrite.
2252 (arm_size_rtx_costs): Update prototype.
2253 (arm_rtx_costs): Pass speed down to helper functions.
2254 (arm_slowmul_rtx_costs): Rework cost calculations.
2255 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2256 (arm_9e_rtx_costs): Likewise.
2258 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2260 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2261 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2262 (alpha_legitimize_address): Do not split local symbols wider than
2263 UNITS_PER_WORD into HIGH/LO_SUM parts.
2265 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2268 * gcc.c (process_command): Replace call to execvp with calls
2269 to pex_one and exit.
2271 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2274 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2275 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2276 variant for devices with 3-byte PC.
2277 (__tablejump_elpm__) : New.
2279 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2282 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2283 offsetof member-designator, handle it as `[0].'.
2285 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2287 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2288 function when not using named sections on targets with named sections
2289 if branch distance is less than 262132.
2291 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2293 * combine.c (combine_instructions): Recompute
2294 optimize_this_for_speed_p for each BB in the main combine loop.
2296 2009-01-12 Tomas Bily <tbily@suse.cz>
2299 * tree-loop-distribution.c (prop_phis): New function.
2300 (generate_builtin): Call prop_phis.
2301 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2303 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2305 PR tree-optimization/38807
2306 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2307 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2309 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2311 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2312 subreg of op0 to the original op0.
2314 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2316 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2318 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2321 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2322 starting with digits.
2324 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2327 * config/arm/arm.c (arm_is_long_call_p): Don't call
2328 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2330 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2332 * regrename.c (regrename_optimize): Fix dumping.
2333 (find_oldest_value_reg): Preserve REG_POINTER.
2334 (copy_hardreg_forward_1): Likewise.
2336 2009-01-09 Diego Novillo <dnovillo@google.com>
2338 * gimple.h (struct gimple_statement_base) <uid>: Document
2339 the restrictions on its use.
2341 (gimple_set_uid): Tidy.
2343 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2345 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2346 zero guard even if align_bytes != 0 and count is smaller than
2349 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2351 PR rtl-optimization/38495
2352 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2353 (add_range_and_copies_from_move_list): Print all added ranges.
2354 Add ranges to memory optimized destination.
2356 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2360 * config/i386/i386.c (override_options): Reject
2361 -mstringop-strategy=rep_8byte with -m32.
2362 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2363 to 1. Do count comparison against epilogue_size_needed at compile
2364 time even when count_exp was constant forced into register. For
2365 size_needed don't jump to epilogue, instead just avoid aligning
2366 and invoke the body algorithm. If need_zero_guard, add zero guard
2367 even if count is non-zero, but smaller than size_needed + number of
2368 bytes that could be stored for alignment.
2369 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2370 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2371 but smaller than size_needed + number of bytes that could be stored
2372 for alignment. Compare size_needed with epilogue_size_needed instead
2373 of desired_align - align, don't adjust size_needed, pass
2374 epilogue_size_needed to the epilogue expanders.
2377 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2379 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2381 * pa.c (last_address): Change to unsigned.
2382 (update_total_code_bytes): Change argument to unsigned. Don't
2383 check if insn addresses are set.
2384 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2385 addresses are not set.
2386 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2388 2009-01-09 Nick Clifton <nickc@redhat.com>
2390 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2391 DECL_DECLARED_INLINE_P.
2393 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2396 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2397 GET_MODE (op0) in operand_subword_force calls.
2400 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2401 fold_convert arg0 operands to TREE_TYPE (op0) first.
2403 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2405 * params.def (ira-max-conflict-table-size): Decrease default value
2408 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2410 PR tree-optimization/37031
2411 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2413 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2414 allocate it using gc instead of heap, use VEC_quick_push instead of
2416 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2417 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2418 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2419 allocated vector from heap allocated.
2420 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2421 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2422 vector only after perfect_loop_nest_depth call.
2424 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2425 Jan Sjodin <jan.sjodin@amd.com>
2427 PR tree-optimization/38559
2428 * graphite.c (debug_value, copy_constraint,
2429 swap_constraint_variables, scale_constraint_variable, ): New.
2430 (get_lower_bound, get_upper_bound): Removed.
2431 (graphite_trans_bb_strip_mine): Clean up this code that works
2432 only for constant number of iterations. Fully copy upper and
2433 lower bound constraints, not only the constant part of them.
2434 * graphite.h (debug_value): Declared.
2436 2009-01-08 Ira Rosen <irar@il.ibm.com>
2438 PR tree-optimization/37194
2439 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2440 Don't add the cost of cost model guard in prologue to scalar
2441 outside cost in case of known number of iterations.
2443 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2444 Alan Modra <amodra@bigpond.net.au>
2446 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2447 non-word-aligned REG+CONST addressing.
2449 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2452 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2453 free_after_compilation when outputting a thunk.
2454 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2455 Do not call free_after_compilation here.
2457 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2459 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2460 (ix86_valid_target_attribute_inner_p): Ditto.
2462 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2464 PR tree-optimization/38492
2465 PR tree-optimization/38498
2466 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2467 * tree-chrec.h (scev_is_linear_expression): Declared.
2468 * graphite.c (graphite_cannot_represent_loop_niter): New.
2469 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2470 (graphite_loop_normal_form): Use gcc_assert.
2471 (scan_tree_for_params): Use CASE_CONVERT.
2472 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2473 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2474 Use gcc_assert. Discard scops that contain unhandled cases.
2475 (build_scop_conditions): Return a boolean status for unhandled cases.
2476 (strip_mine_profitable_p): Print the loop number, not its depth.
2477 (is_interchange_valid): Pass the depth of the loop nest, don't
2478 recompute it wrongly.
2479 (graphite_trans_bb_block): Same.
2480 (graphite_trans_bb_block): Print tentative of loop blocking.
2481 (graphite_trans_scop_block): Do not print that the loop has been
2483 (graphite_transform_loops): Do not handle scops that contain condition
2486 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2488 AVX Programming Reference (December, 2008)
2489 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2490 (_mm256_stream_pd): Likewise.
2491 (_mm256_stream_ps): Likewise.
2493 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2494 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2495 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2496 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2497 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2498 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2499 (ix86_expand_special_args_builtin): Likewise.
2501 * config/i386/sse.md (AVXMODEDI): New.
2502 (avx_movnt<mode>): Likewise.
2503 (avx_movnt<mode>): Likewise.
2504 (<sse>_movnt<mode>): Remove AVX support.
2505 (sse2_movntv2di): Likewise.
2507 2009-01-07 Richard Guenther <rguenther@suse.de>
2510 * fold-const.c (extract_muldiv): Remove obsolete comment.
2511 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2512 to PLUS_EXPR canonicalization for the canonicalization.
2514 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2516 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2517 hosted cross-compilers generating less efficient code.
2519 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2521 * function.h (rtl_data): Add a dbr_scheduled_p field.
2522 * reorg.c (dbr_schedule): Set it.
2523 (gate_handle_delay_slots): Check it.
2524 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2525 (mips_reorg): Check flag_delayed_branch instead of
2526 mips_base_delayed_branch.
2527 (mips_override_options): Don't set mips_base_delayed_branch
2528 or flag_delayed_branch.
2530 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2532 PR rtl-optimization/38426.
2533 * ira.c (ira): Set current_function_is_leaf earlier.
2535 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2537 PR rtl-optimization/38722
2538 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2539 too early, only set a flag and modify after last possible
2542 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2545 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2546 * real.c (decimal_single_format): Correct values of emin and emax.
2547 (decimal_double_format): Ditto.
2548 (decimal_quad_format): Ditto.
2549 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2550 computation of DECnn_MIN and DECnn_MAX for corrected values of
2551 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2552 __DECnn_MIN__, and adjust its computation for the corrected value
2555 2009-01-06 Jan Hubicka <jh@suse.cz>
2558 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2560 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2562 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2563 Add Robert Clark to the list of testers.
2565 2009-01-06 Jan Hubicka <jh@suse.cz>
2566 Kai Tietz <kai.tietz@onevision.com>
2568 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2569 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2571 2009-01-06 Jan Hubicka <jh@suse.cz>
2572 Kai Tietz <kai.tietz@onevision.com>
2574 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2576 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2577 (ix86_nsaved_regs): Count only general purpose regs.
2578 (ix86_nsaved_sseregs): New.
2579 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2580 to 16 for w64; compute padding and size of sse reg save area.
2581 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2582 general purpose regs.
2583 (ix86_emit_save_sse_regs_using_mov): New.
2584 (ix86_expand_prologue): Save SSE regs if needed.
2585 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2586 (ix86_emit_restore_sse_regs_using_mov): New.
2587 (ix86_expand_epilogue): Save SSE regs if needed.
2589 2009-01-06 Jan Hubicka <jh@suse.cz>
2590 Kai Tietz <kai.tietz@onevision.com>
2592 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2593 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2594 functions when accumulate outgoing args is off.
2596 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2599 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2600 before using pseudos_have_intersected_live_ranges_p.
2602 * ira-int.h (ira_assert): Always define.
2604 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2606 AVX Programming Reference (December, 2008)
2607 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2608 (_mm256_permute2_pd): Likewise.
2609 (_mm_permute2_ps): Likewise.
2610 (_mm256_permute2_ps): Likewise.
2611 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2612 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2614 * config/i386/i386.c (ix86_builtins): Remove
2615 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2616 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2617 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2618 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2619 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2620 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2621 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2622 __builtin_ia32_vpermil2ps256.
2623 (ix86_init_mmx_sse_builtins): Updated.
2624 (ix86_expand_args_builtin): Likewise.
2626 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2628 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2629 long absolute calls when generating PA 2.0 code.
2631 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2633 PR rtl-optimization/38583
2634 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2636 * params.def (ira-max-conflict-table-size): New.
2638 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2640 * ira.h (ira_conflicts_p): New external definition.
2642 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2643 table. Report this. Return result of building.
2644 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2645 building conflict table.
2647 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2648 (ira_color): Use ira_conflicts_p.
2650 * global.c: Include ira.h.
2651 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2654 * Makefile.in (global.o): Add ira.h.
2656 * ira-build.c (mark_all_loops_for_removal,
2657 propagate_some_info_from_allocno): New.
2658 (remove_unnecessary_allocnos): Call
2659 propagate_some_info_from_allocno.
2660 (remove_low_level_allocnos): New.
2661 (remove_unnecessary_regions): Add parameter. Call
2662 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2663 parameter to remove_unnecessary_regions.
2664 (ira_build): Remove all regions but root if the conflict table was
2665 not built. Update conflict hard regs for allocnos crossing calls.
2667 * ira.c (ira_conflicts_p): New global.
2668 (ira): Define and use ira_conflicts_p.
2670 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2671 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2672 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2674 2009-01-06 Ben Elliston <bje@au.ibm.com>
2676 * gengtype-lex.l (YY_NO_INPUT): Define.
2678 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2681 * c-common.c (handle_vector_size_attribute): Also reject
2684 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2686 PR tree-optimization/38492
2687 * graphite.c (rename_map_elt, debug_rename_elt,
2688 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2689 rename_map_elt_info, eq_rename_map_elts,
2690 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2691 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2692 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2693 (sese_build_livein_liveouts): New.
2694 (new_sese, free_sese): New.
2695 (new_scop): Call new_sese.
2696 (free_scop): Call free_sese.
2697 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2698 (register_old_new_names): Renamed register_old_and_new_names.
2699 (register_scop_liveout_renames, add_loop_exit_phis,
2700 insert_loop_close_phis, struct igp,
2701 default_liveout_before_guard, add_guard_exit_phis,
2702 insert_guard_phis, copy_renames): New.
2703 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2704 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2705 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2706 (scop_adjust_phis_for_liveouts): New.
2707 (gloog): Call scop_adjust_phis_for_liveouts.
2709 * graphite.h (struct sese): Documented. Added fields liveout,
2711 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2712 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2713 (struct scop): Added field liveout_renames.
2714 (SCOP_LIVEOUT_RENAMES): New.
2716 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2718 PR tree-optimization/38510
2719 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2720 (translate_clast): Call recompute_all_dominators before
2722 (gloog): Call recompute_all_dominators before graphite_verify.
2724 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2725 Jan Sjodin <jan.sjodin@amd.com>
2727 PR tree-optimization/38500
2728 * graphite.c (create_sese_edges): Call fix_loop_structure after
2731 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2733 * config.gcc: Add m32r*-*-rtems*.
2734 * config/m32r/rtems.h: New file.
2736 2009-01-05 Ben Elliston <bje@au.ibm.com>
2738 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2739 (.po.pox): Likewise.
2740 (po/gcc.pot): Likewise.
2742 2009-01-04 David S. Miller <davem@davemloft.net>
2744 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2745 (STARTING_FRAME_OFFSET): Always set to zero.
2747 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2749 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2750 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2751 fixed-point types, and vectors of the same.
2753 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2755 * config/mips/sync.md (*mb_barrier): Rename to...
2756 (*memory_barrier): ...this.
2758 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2760 * doc/extend.texi (Function Attributes): Move @cindex after @item
2761 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2762 and put in alphabetical order. Fix 'target' name and put in order.
2763 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2766 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2768 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2769 (memory_barrier): Expand as unspec instead of unspec_volatile.
2770 Remove mem:BLK from insn operands. Use Pmode scratch register.
2771 (*memory_barrier): Define as unspec instead of unspec_volatile.
2772 Use (match_dup 0) as input operand.
2774 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2775 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2776 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2777 scratch register. Remove operand 1.
2778 (*stbar): Define as unspec instead of unspec_volatile.
2779 Use (match_dup 0) as input operand, remove (const_int 8).
2780 (*membar): Define as unspec instead of unspec_volatile.
2781 Use (match_dup 0) as input operand, remove input operand 2.
2783 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2784 (memory_barrier): Expand as unspec instead of unspec_volatile.
2785 Remove mem:BLK from insn operands. Use Pmode scratch register.
2786 (*memory_barrier): Define as unspec instead of unspec_volatile.
2787 Use (match_dup 0) as input operand.
2789 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2790 Remove mem:BLK from insn operands. Use Pmode scratch register.
2791 Set volatile flag on operand 0.
2792 (*memory_barrier): New insn pattern.
2794 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2796 (*memory_barrier): Use (match_dup 0) as input operand.
2798 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2799 Remove mem:BLK from insn operands. Use Pmode scratch register.
2800 Set volatile flag on operand 0.
2801 (*mb_internal): New insn pattern.
2803 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2805 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2808 * function.c (struct temp_slot): Move to the section of the file
2809 that deals with temp slots. Remove field 'address'.
2810 (temp_slot_address_table): New hash table of address -> temp slot.
2811 (struct temp_slot_address_entry): New struct, items for the table.
2812 (temp_slot_address_compute_hash, temp_slot_address_hash,
2813 temp_slot_address_eq, insert_temp_slot_address): Support functions
2815 (find_temp_slot_from_address): Rewrite to use the new hash table.
2816 (remove_unused_temp_slot_addresses): Remove addresses of temp
2817 slots that have been made available.
2818 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2819 worker function for remove_unused_temp_slot_addresses.
2820 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2821 Add the temp slot address to the address -> temp slot map.
2822 (update_temp_slot_address): Update via insert_temp_slot_address.
2823 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2824 (pop_temp_slots): Likewise.
2825 (init_temp_slots): Allocate the address -> temp slot map, or empty
2826 the map if it is already allocated.
2827 (prepare_function_start): Initialize temp slot processing.
2829 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2832 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2833 Calculate the size of all stack vars assuming no packing of stack
2834 vars will happen, replacing a quadratic algorithm with a linear one.
2836 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2839 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2842 2009-01-03 Diego Novillo <dnovillo@google.com>
2844 * doc/contrib.texi: Update contributions.
2846 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2849 * builtins.c (fold_builtin_memory_op): Give up if either operand
2850 is volatile. Set srctype or desttype to non-qualified version
2854 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2857 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2859 PR rtl-optimization/35805
2860 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2861 problem if fast dce is able to remove any instructions.
2862 * dce.c (dce_process_block): Fix dump message.
2864 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2867 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2869 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2872 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2873 * tree-pretty-print.c (op_code_prio): New function.
2874 (op_prio): No longer static. Use op_code_prio.
2875 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2876 Use op_prio and op_code_prio to determine if () should be
2877 printed around operand(s) or not.
2879 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2880 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2881 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2882 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2883 pp_character instead of pp_string for single letter printing.
2885 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2887 * doc/extend.texi: Fix '#pragma GCC option' typo.
2889 2009-01-02 Richard Guenther <rguenther@suse.de>
2891 * doc/install.texi (--enable-checking): Mention different
2893 (--enable-stage1-checking): Document.
2895 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2898 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2899 case to be an error.
2901 2009-01-02 Ben Elliston <bje@au.ibm.com>
2903 * config/fp-bit.h (pack_d): Constify argument.
2904 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2905 (isnan): Constify argument.
2909 (_fpadd_parts): Constify return type.
2910 (_fpmul_parts): Likewise.
2911 (_fpdiv_parts): Likewise.
2913 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2916 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2917 warn about overwriting initializer with side-effects or
2918 -Woverride-init if !IMPLICIT.
2919 (output_init_element): Likewise. Pass IMPLICIT down to
2921 (process_init_element): Add IMPLICIT argument. Pass it down
2922 to output_init_element.
2923 (push_init_element, pop_init_level, set_designator): Adjust
2924 process_init_element callers.
2925 (set_nonincremental_init, set_nonincremental_init_from_string):
2926 Adjust add_pending_init callers.
2927 (output_pending_init_elements): Adjust output_init_element callers.
2928 * c-tree.h (process_init_element): Adjust prototype.
2929 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2930 process_init_element callers.
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