1 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
4 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
5 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
6 registers for allocnos created from user-defined variables.
8 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
11 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
12 of non-integer mode as well.
14 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
16 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
17 for functions for which the parameter types are unknown.
19 2009-03-11 Jakub Jelinek <jakub@redhat.com>
22 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
24 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
25 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
26 * config/i386/i386.c (ix86_local_alignment): For
27 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
28 long long variables on the stack to avoid dynamic realignment.
29 Allow the first argument to be a decl rather than type.
30 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
32 2009-03-11 Nick Clifton <nickc@redhat.com>
35 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
37 Add description to mno-lsim option.
38 * config/mcore/mcore.h: Remove comment about deprecated m4align
40 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
41 * doc/invoke.texi: Add description of mno-lsim and
42 mstack-increment options.
44 * config/fr30/fr30.opt: Document the -mno-lsim option.
45 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
46 and -mno-lsim options.
48 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
50 * fold-const.c (fold_comparison): Only call fold_inf_compare
51 if the mode supports infinities.
53 2009-03-11 Jason Merrill <jason@redhat.com>
56 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
57 end already did. Notice GIMPLE_CALL modifications of the result.
58 Don't copy debug information from an ignored decl or a decl from
61 2009-03-10 Richard Guenther <rguenther@suse.de>
62 Nathan Froyd <froydnj@codesourcery.com>
65 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
67 (__divMODE3): Likewise.
69 2009-03-09 Jakub Jelinek <jakub@redhat.com>
71 PR tree-optimization/39394
72 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
73 DECL_SIZE_UNIT of variable length FIELD_DECLs.
75 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
77 * recog.c (verfiy_changes): Disallow renaming of hard regs in
78 inline asms for register asm ("") declarations.
80 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
82 * fold-const.c (fold_unary): Fix comment.
84 2009-03-07 Jan Hubicka <jh@suse.cz>
87 * tree-inline.c (setup_one_parameter): Do replacement of const argument
88 by constant in SSA form.
90 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
93 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
94 determine alignment passed to assign_stack_local.
95 (assign_parms_unsplit_complex): Likewise.
96 * except.c (sjlj_build_landing_pads): Likewise.
98 2009-03-06 Jakub Jelinek <jakub@redhat.com>
101 * tree-flow.h (add_referenced_var): Return bool instead of void.
102 * tree-dfa.c (add_referenced_var): Return result of
103 referenced_var_check_and_insert call.
104 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
105 of referenced_var_check_and_insert.
108 * dwarf2out.c (add_abstract_origin_attribute): Return
110 (gen_variable_die): Emit DW_AT_location on abstract static variable's
111 DIE, don't emit it if abstract origin already has it.
112 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
113 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
115 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
117 * genpreds.c: (needs_variable): Fix parentheses at variable name
119 (write_tm_constrs_h): Indent generated code.
121 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
123 * doc/extend.texi (Function Attributes): Add documentation
126 2009-03-06 Jakub Jelinek <jakub@redhat.com>
129 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
130 take locus from its DECL_SOURCE_LOCATION instead of input_location.
132 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
134 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
137 2009-03-05 Jakub Jelinek <jakub@redhat.com>
140 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
141 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
143 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
145 * config/i386/i386.md (R8_REG, R9_REG): New constants.
146 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
147 constants instead of magic numbers.
148 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
150 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
151 (x86_64_ms_abi_int_parameter_registers): Ditto.
152 (x86_64_int_return_registers): Ditto.
153 (ix86_maybe_switch_abi): Ditto.
154 (ix86_expand_call): Ditto for clobbered_registers array.
155 (ix86_hard_regno_mode_ok): Ditto.
156 (x86_extended_QIreg_mentioned_p): Ditto.
158 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
160 PR tree-optimization/39349
161 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
163 * combine.c (gen_lowpart_for_combine): Use omode when generating
166 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
168 PR rtl-optimization/39235
169 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
171 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
173 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
175 2009-03-04 Richard Guenther <rguenther@suse.de>
177 PR tree-optimization/39362
178 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
179 that occur in abnormal PHIs should be varying.
181 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
183 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
185 (simple_iv): Take loop as an argument instead of statement.
186 * tree-scalar-evolution.h (simple_iv): Declaration changed.
187 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
189 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
191 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
192 * matrix-reorg.c (analyze_transpose): Ditto.
193 * tree-data-ref.c (dr_analyze_innermost): Ditto.
194 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
195 * tree-predcom.c (ref_at_iteration): Ditto.
196 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
198 2009-03-04 Richard Guenther <rguenther@suse.de>
200 PR tree-optimization/39358
201 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
202 escaped_id and callused_id.
203 (solve_graph): Likewise.
205 2009-03-04 Richard Guenther <rguenther@suse.de>
207 PR tree-optimization/39339
208 * tree-sra.c (try_instantiate_multiple_fields): Make it
209 no longer ICE on the above.
211 2009-03-03 Joseph Myers <joseph@codesourcery.com>
213 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
214 that fits within Pmode.
216 2009-03-03 Steve Ellcey <sje@cup.hp.com>
219 * tm.texi (LIBCALL_VALUE): Update description.
221 2009-03-03 Steve Ellcey <sje@cup.hp.com>
224 * doc/extend.texi (section): Update description.
226 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
229 * tree-inline.c (remapped_type): New.
230 (can_be_nonlocal): Call remapped_type instead of remap_type.
232 2009-03-03 Jakub Jelinek <jakub@redhat.com>
235 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
236 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
238 2009-03-03 Richard Guenther <rguenther@suse.de>
241 * tree.c (tree_nonartificial_location): New function.
242 * tree.h (tree_nonartificial_location): Declare.
243 * builtins.c (expand_builtin_memory_chk): Provide location
244 of the call location for artificial function pieces.
245 (maybe_emit_chk_warning): Likewise.
246 (maybe_emit_sprintf_chk_warning): Likewise.
247 (maybe_emit_free_warning): Likewise.
248 * expr.c (expand_expr_real_1): Likewise.
250 2009-03-03 Jakub Jelinek <jakub@redhat.com>
252 PR tree-optimization/39343
253 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
254 COMPONENT_REF t has ARRAY_TYPE.
256 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
259 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
260 when the type precision of the induction variable should be
261 larger than the type precision of nit.
262 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
263 * graphite.c (graphite_loop_normal_form): Same.
264 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
266 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
268 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
269 (*call_1_rex64_ms_sysv): Use named constants instead of magic
270 numbers to describe clobbered registers.
271 (*call_value_0_rex64_ms_sysv): Ditto.
272 * config/i386/mmx.md (mmx_emms): Ditto.
275 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
277 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
280 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
282 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
283 (spu_section_type_flags): New function.
285 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
287 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
288 reg_class_contents of FLOAT_REGS into a temporary.
290 2009-03-02 Richard Guenther <rguenther@suse.de>
291 Ira Rosen <irar@il.ibm.com>
293 PR tree-optimization/39318
294 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
295 information to the vectorized statement.
297 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
299 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
300 variable. Use defined names instead of magic constants for REX SSE
303 2009-03-01 Richard Guenther <rguenther@suse.de>
305 PR tree-optimization/39331
306 * omp-low.c (lower_send_shared_vars): Do not receive new
307 values for the reference of DECL_BY_REFERENCE parms or results.
309 2009-03-01 Jan Hubicka <jh@suse.cz>
312 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
313 BLOCK_NONLOCALIZED_VAR): New macros.
314 (tree_block): Add nonlocalized_vars.
315 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
316 gen_decl_die): Add origin argument. Allow generation of die with
318 (gen_member_die, gen_type_die_with_usage, force_decl_die,
319 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
321 (gen_block_die): Fix checking for unused blocks.
322 (process_scope_var): Break out from .... ; work with origins only.
323 (decls_for_scope) ... here; process nonlocalized list.
324 (dwarf2out_ignore_block): Look for nonlocalized vars.
325 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
327 (dump_scope_block): Dump them.
328 * tree-inline.c (remap_decls): Handle nonlocalized vars.
329 (remap_block): Likewise.
330 (can_be_nonlocal): New predicate.
331 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
333 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
335 * configure: Regenerate.
337 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
339 * optc-gen.awk: No need to duplicate option flags twice.
340 Reuse help texts for duplicate options which do not have
343 * gcc.c (display_help): Document --version.
345 * gcc.c (main): If print_help_list and verbose_flag, ensure
346 driver output comes before subprocess output.
348 * optc-gen.awk: Assign all remaining fields to help string,
349 space-separated, for multi-line help in *.opt.
351 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
352 -Wno-pedantic-ms-format is for MinGW targets only.
354 * doc/options.texi (Option file format): Fix bad indentation,
355 restoring dropped sentence.
357 2009-02-28 Jan Hubicka <jh@suse.cz>
359 * tree-inline.c (tree_function_versioning): Output debug info.
361 2009-02-28 Jan Hubicka <jh@suse.cz>
364 * tree-inline.c (setup_one_parameter): Do not copy propagate
365 arguments when not optimizing.
367 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
370 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
371 (avx_addsubv4df3): Likewise.
372 (*avx_addsubv4sf3): Likewise.
373 (sse3_addsubv4sf3): Likewise.
374 (*avx_addsubv2df3): Likewise.
375 (sse3_addsubv2df3): Likewise.
376 (avx_unpckhps256): Correct item selectors.
377 (avx_unpcklps256): Likewise.
378 (avx_unpckhpd256): Likewise.
379 (avx_unpcklpd256): Likewise.
381 2009-02-28 Jan Hubicka <jh@suse.cz>
383 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
385 (copy_arguments_for_versioning): If var is declared don't declare it.
386 (tree_function_versioning): First setup substitutions and then copy
389 2009-02-27 Jan Hubicka <jh@suse.cz>
392 * cgraph.h (varpool_output_debug_info): Remove.
393 * cgraphunit.c (varpool_output_debug_info): Remove.
394 * dwarf2out.c (deferred_locations_struct): New struct
395 (deferred_locations): New type.
396 (deferred_locations_list): New static var.
397 (deffer_location): New function.
398 (gen_variable_die): Use it.
399 (decls_for_scope): Output info on local static vars.
400 (dwarf2out_finish): Process deferred locations.
401 * varpool.c (varpool_output_debug_info): Remove.
403 2009-02-27 Jan Hubicka <jh@suse.cz>
406 * tree.h (TREE_PROTECTED): Fix comment.
407 (BLOCK_HANDLER_BLOCK): Remove.
408 (struct tree_block): Remove handler_block add body_block.
409 (inlined_function_outer_scope_p): New.
410 (is_body_block): Remove.
411 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
412 * dwarf2out.c (is_inlined_entry_point): Remove.
413 (add_high_low_attributes): Use inlined_function_outer_scope_p.
414 (gen_block_die): Use is_inlined_entry_point check. Remove body block
416 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
417 * gimplify.c (gimplify_expr): Gimplify body blocks.
418 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
419 block with multiple subblocks.
420 (dump_scope_block): Prettier output; dump more flags and info.
421 (dump_scope_blocks): New.
422 (remove_unused_locals): Use dump_scope_blocks.
423 * tree-flow.h (dump_scope_blocks): Declare.
424 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
425 * stmt.c (is_body_block): Remove.
426 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
427 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
429 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
432 * graphite.c (graphite_loop_normal_form): Do not call
433 number_of_iterations_exit from a gcc_assert.
435 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
437 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
438 jumps if COND is NULL.
439 (find_cond_jump): New function.
440 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
441 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
443 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
445 * config/alpha/alpha.h (alpha_expand_mov): Return false if
446 force_const_mem returns NULL_RTX.
448 2009-02-26 Jan Hubicka <jh@suse.cz>
451 * cgraph.h (varpool_output_debug_info): Remove.
452 * cgraphunit.c (varpool_output_debug_info): Remove.
453 * dwarf2out.c (deferred_locations_struct): New struct
454 (deferred_locations): New type.
455 (deferred_locations_list): New static var.
456 (deffer_location): New function.
457 (gen_variable_die): Use it.
458 (decls_for_scope): Output info on local static vars.
459 (dwarf2out_finish): Process deferred locations.
460 * varpool.c (varpool_output_debug_info): Remove.
462 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
464 PR rtl-optimization/39241
465 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
466 to subreg_offset_representable_p.
468 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
470 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
471 execute function prototype. Get f and nregs from max_reg_num
472 and get_insns. Remove the first backward pass as it's dead,
473 guard the forward pass by flag_expensive_optimizations.
474 (rest_of_handle_regmove): Delete.
475 (pass_regmove): Replace it with regmove_optimize.
477 2009-02-25 Martin Jambor <mjambor@suse.cz>
479 PR tree-optimization/39259
480 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
481 calls_alloca function flags.
482 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
485 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
487 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
488 flags_set_1_rtx, flags_set_1_set): Delete.
489 (regmove_optimize): Do not call mark_flags_life_zones.
491 2009-02-24 Julian Brown <julian@codesourcery.com>
494 * config/arm/arm.c (require_pic_register): Only set
495 cfun->machine->pic_reg once per function.
497 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
499 * doc/invoke.texi (Link Options): Document an easier way to pass
500 options that take arguments to the GNU linker using -Xlinker and -Wl.
502 2009-02-24 Steve Ellcey <sje@cup.hp.com>
505 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
507 2009-02-24 Richard Guenther <rguenther@suse.de>
510 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
512 2009-02-24 Richard Guenther <rguenther@suse.de>
513 Zdenek Dvorak <ook@ucw.cz>
515 PR tree-optimization/39233
516 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
517 from converting them to a generic type.
519 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
521 PR tree-optimization/39260
522 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
523 contains a condition with a real type.
524 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
526 2009-02-23 Jason Merrill <jason@redhat.com>
529 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
530 narrowing_initializer_constant_valid_p.
531 (narrowing_initializer_constant_valid_p): Don't return
532 null_pointer_node for adding a pointer to itself.
534 2009-02-23 Jan Hubicka <jh@suse.cz>
537 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
540 2009-02-23 Jan Hubicka <jh@suse.cz>
542 PR tree-optimization/37709
543 * tree.c (block_ultimate_origin): Move here from dwarf2out.
544 * tree.h (block_ultimate_origin): Declare.
545 * dwarf2out.c (block_ultimate_origin): Move to tree.c
546 * tree-ssa-live.c (remove_unused_scope_block_p):
547 Eliminate blocks containig no instructions nor live variables nor
549 (dump_scope_block): New function.
550 (remove_unused_locals): Enable removal of dead blocks by default;
551 enable dumping at TDF_DETAILS.
553 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
555 * config/i386/i386.c (classify_argument): Don't allow COImode
557 (function_arg_advance_32): Don't allow OImode.
558 (function_arg_32): Likewise.
559 (function_value_32): Likewise.
560 (return_in_memory_32): Likewise.
561 (function_arg_64): Remove OImode comment.
563 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
566 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
567 ix86_expand_vector_set for V4DImode in 64bit mode only.
568 (ix86_expand_vector_init_one_var): Likewise.
570 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
572 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
574 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
577 * loop-iv.c: Revert last change.
578 * emit-rtl.c: Likewise.
580 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
583 * config/i386/i386.c (type_natural_mode): Remove an extra
584 space in the warning message.
585 (function_value_32): Handle 32-byte vector modes.
586 (return_in_memory_32): Likewise.
588 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
590 * loop-iv.c (truncate_value): New function.
591 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
593 (lowpart_subreg): Move to...
594 * emit-rtl.c: ...here.
596 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
598 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
599 accidental and undocumented change at revision 140860.
601 2009-02-21 Joseph Myers <joseph@codesourcery.com>
603 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
604 take gimple_seq * arguments.
605 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
606 types_compatible_p langhook.
608 2009-02-20 Mark Mitchell <mark@codesourcery.com>
609 Joseph Myers <joseph@codesourcery.com>
611 * config/arm/arm.c (arm_builtin_va_list): New function.
612 (arm_expand_builtin_va_start): Likewise.
613 (arm_gimplify_va_arg_expr): Likewise.
614 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
615 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
616 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
617 (va_list_type): New variable.
618 (arm_mangle_type): Mangle va_list_type appropriately.
620 2009-02-20 Jakub Jelinek <jakub@redhat.com>
623 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
624 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
625 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
626 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
627 parameter to 1000 for -O1 by default.
628 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
630 * loop-invariant.c: Include params.h.
631 (move_loop_invariants): Don't call move_single_loop_invariants on
634 2009-02-20 Jaka Mocnik <jaka@xlab.si>
636 * calls.c (emit_library_call_value_1): Use slot_offset instead of
637 offset when calculating bounds for indexing stack_usage_map. Fixes
638 a buffer overflow with certain target setups.
640 2009-02-20 Jakub Jelinek <jakub@redhat.com>
643 * calls.c (expand_call): Clear try_tail_call if caller and callee
644 disagree in promotion of function return value.
646 2009-02-19 Jakub Jelinek <jakub@redhat.com>
649 * c-common.c (c_determine_visibility): If visibility changed and
650 DECL_RTL has been already set, call make_decl_rtl to update symbol
653 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
656 * varasm.c (assemble_variable): Don't check DECL_NAME when
657 globalizing a variable.
659 2009-02-19 Joseph Myers <joseph@codesourcery.com>
662 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
663 expression before any __builtin_trap call.
664 * c-typeck.c (build_function_call): Convert and check function
665 arguments before generating a call to a trap. Evaluate the
666 function arguments before the trap.
668 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
671 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
672 (UNSPEC_FXAM_MEM): New unspec.
673 (fxam<mode>2_i387_with_temp): New insn and split pattern.
674 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
675 memory using fxam<mode>2_i387_with_temp to remove excess precision.
677 2009-02-19 Richard Guenther <rguenther@suse.de>
679 PR tree-optimization/39207
680 PR tree-optimization/39074
681 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
682 storedanything_tree): New.
683 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
684 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
685 (build_succ_graph): Add edges from STOREDANYTHING to all
687 (init_base_vars): Initialize STOREDANYTHING.
688 (compute_points_to_sets): Free substitution info after
689 building the succ graph.
690 (ipa_pta_execute): Likewise.
692 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
694 (do_ds_constraint): Do not add to special var or non-pointer
696 (type_could_have_pointers): Split out from ...
697 (could_have_pointers): ... here. For arrays use the element type.
698 (create_variable_info_for): Initialize may_have_pointers.
699 (new_var_info): Likewise.
700 (handle_lhs_call): Make the HEAP variable unknown-sized.
701 (intra_create_variable_infos): Use a type with pointers for
702 PARM_NOALIAS, make it unknown-sized.
704 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
707 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
709 2009-02-18 Jason Merrill <jason@redhat.com>
712 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
713 value if DECL_EXTERNAL.
714 * tree-sra.c (sra_walk_gimple_assign): Likewise.
715 * target.h (gcc_target::binds_local_p): Clarify "module".
716 * tree.h (TREE_PUBLIC): Clarify "module".
718 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
721 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
722 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
724 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
727 * c.opt (Wabi): Support C and ObjC.
730 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
732 * config/i386/i386.c (classify_argument): Warn once about the ABI
733 change when passing union with long double.
735 * doc/invoke.texi: Update -Wabi for warning psABI changes.
737 2009-02-18 Joseph Myers <joseph@codesourcery.com>
740 * c-parser.c (c_parser_compound_statement): Always enter and leave
743 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
746 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
748 2009-02-18 Jakub Jelinek <jakub@redhat.com>
750 PR tree-optimization/36922
751 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
752 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
755 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
757 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
760 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
762 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
764 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
766 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
769 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
770 Richard Sandiford <rdsandiford@googlemail.com>
772 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
773 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
774 (loongson_biadd): ...this.
776 2009-02-17 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/39202
779 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
780 a var make sure to follow existing collapses.
782 2009-02-17 Richard Guenther <rguenther@suse.de>
785 * langhooks.c (lhd_print_error_function): Check for NULL block.
787 2009-02-17 Richard Guenther <rguenther@suse.de>
789 PR tree-optimization/39204
790 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
793 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
795 * config/soft-fp/double.h: Update from glibc CVS.
797 2009-02-17 Richard Guenther <rguenther@suse.de>
799 PR tree-optimization/39207
800 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
801 strict-aliasing warnings for pointers pointing to NULL.
803 2009-02-16 Joseph Myers <joseph@codesourcery.com>
806 * c-parser.c (c_parser_braced_init): Call pop_init_level when
807 skipping until next close brace.
809 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
812 * config/i386/i386.c (ix86_expand_push): Set memory alignment
813 to function argument boundary.
815 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
817 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
818 in the lea_add. Reload eventually constraints it properly.
819 * config/picochip/constraints.md : Remove the target constraint
820 "b", since it is not needed anymore.
822 2009-02-16 Jakub Jelinek <jakub@redhat.com>
824 * gthr-dce.h: Uglify function parameter and local variable names.
825 * gthr-gnat.h: Likewise.
826 * gthr-mipssde.h: Likewise.
827 * gthr-nks.h: Likewise.
828 * gthr-posix95.h: Likewise.
829 * gthr-posix.h: Likewise.
830 * gthr-rtems.h: Likewise.
831 * gthr-single.h: Likewise.
832 * gthr-solaris.h: Likewise.
833 * gthr-tpf.h: Likewise.
834 * gthr-vxworks.h: Likewise.
835 * gthr-win32.h: Likewise.
837 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
840 * config/i386/i386.md: Restrict the new peephole2 to move
841 between MMX/SSE registers.
843 2009-02-15 Richard Guenther <rguenther@suse.de>
846 2009-02-13 Richard Guenther <rguenther@suse.de>
848 * configure.ac: Enable LFS.
849 * configure: Re-generate.
850 * config.in: Likewise.
852 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
854 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
855 spu_srqwbyte, spu_srqwbytebc): Define.
856 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
857 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
858 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
859 "shrqby_<mode>"): New insn-and-split patterns.
860 * config/spu/spu.c (expand_builtin_args): Determine and return
861 number of operands using spu_builtin_description data.
862 (spu_expand_builtin_1): Use it.
864 2009-02-13 Steve Ellcey <sje@cup.hp.com>
867 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
870 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
873 * config/i386/i386.c (override_options): Correct warning
874 messages for -malign-loops, -malign-jumps and -malign-functions.
876 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
879 * config/i386/i386.md: Restrict the new peephole2 to move
880 between the general purpose registers.
882 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
885 * config/i386/i386.c (type_natural_mode): Add a new argument.
886 Return the original mode and warn ABI change if vector size is 32byte.
887 (function_arg_advance): Updated.
888 (function_arg): Likewise.
889 (ix86_function_value): Likewise.
890 (ix86_return_in_memory): Likewise.
891 (ix86_sol10_return_in_memory): Likewise.
892 (ix86_gimplify_va_arg): Likewise.
893 (function_arg_32): Don't warn ABX ABI change here.
894 (function_arg_64): Likewise.
896 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
898 * loop-iv.c (implies_p): In the final case, test that operands 0
899 of the two comparisons match.
901 * config/bfin/bfin.c (find_prev_insn_start): New function.
902 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
903 (find_next_insn_start): Move.
905 2009-02-13 Richard Guenther <rguenther@suse.de>
907 * configure.ac: Enable LFS.
908 * configure: Re-generate.
909 * config.in: Likewise.
911 2009-02-13 Joseph Myers <joseph@codesourcery.com>
914 * c-parser.c (c_parser_parms_list_declarator): Discard pending
915 sizes on syntax error after some arguments have been parsed.
917 2009-02-12 Jakub Jelinek <jakub@redhat.com>
919 * doc/invoke.texi (-fira): Remove.
921 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
923 * caller-save.c: Replace regclass.c with reginfo.c in comments.
927 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
929 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
930 (umul_ppmm): Likewise.
931 (count_leading_zeros): Likewise.
932 (count_trailing_zeros): Likewise.
933 (UMUL_TIME): Likewise.
935 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
937 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
938 soft-fp/t-softfp to tmake_file.
940 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
941 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
942 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
943 IA64_BUILTIN_INFQ]: New.
944 (ia64_init_builtins): Initialize __builtin_infq,
945 __builtin_fabsq and __builtin_copysignq if not HPUX.
946 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
947 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
949 * config/ia64/lib1funcs.asm (__divtf3): Define only if
951 (__fixtfti): Likewise.
952 (__fixunstfti): Likewise.
953 (__floattitf): Likewise.
955 * config/ia64/libgcc-glibc.ver: New.
956 * config/ia64/t-fprules-softfp: Likewise.
957 * config/ia64/sfp-machine.h: Likewise.
959 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
960 (LIBGCC2_TF_CEXT): Likewise.
962 (TARGET_INIT_LIBFUNCS): Likewise.
964 * config/ia64/t-glibc (SHLINB_MAPFILES):
965 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
967 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
969 * config/i386/i386.c (construct_container): Rewrite processing
970 BLKmode with X86_64_SSE_CLASS.
972 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
975 * config/i386/i386.md: Replace simplify_replace_rtx with
976 replace_rtx in the new peephole2.
978 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
980 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
981 loop unrolling do not happen at -O2.
983 2009-02-12 Michael Matz <matz@suse.de>
985 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
987 2009-02-12 Jakub Jelinek <jakub@redhat.com>
989 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
992 2009-02-12 Ben Elliston <bje@au.ibm.com>
994 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
995 patterns when updating the back chain. Missed in the 2009-02-10
998 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1000 * doc/extend.texi (Decimal Floating Types): Update identifier of
1001 draft TR and list of missing support.
1003 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1006 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1007 bit to variable length decl's flags, add it also to its
1008 pointer replacement variable.
1010 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1011 Jakub Jelinek <jakub@redhat.com>
1014 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1015 (memory_blockage): New expander.
1016 (*memory_blockage): New insn pattern.
1017 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1018 instead of general blockage at the end of function prologue when
1019 frame pointer is used to access red zone area. Do not emit blockage
1020 when profiling, it is emitted in generic code.
1021 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1022 function epilogue when frame pointer is used to access red zone area.
1024 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1027 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1028 by arithmetic with memory operands.
1029 * config/i386/predicates.md (commutative_operator): New.
1031 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1033 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1036 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1038 * alias.h (record_alias_subset): Declare.
1039 * alias.c (record_alias_subset): Make global.
1041 2009-02-10 Nick Clifton <nickc@redhat.com>
1043 * tree-parloops.c: Change license to GPLv3.
1044 * ipa-struct-reorg.c: Change license to GPLv3.
1045 * ipa-struct-reorg.h: Change license to GPLv3.
1047 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1050 * c-decl.c (start_struct): Return NULL on error.
1052 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1055 * cfgloopmanip.c (remove_path): Call remove_bbs after
1056 cancel_loop_tree, not before it.
1059 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1060 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1061 VAR_DECLs were seen.
1062 * tree-ssa-live.c (remove_unused_locals): Recompute
1063 cfun->has_local_explicit_reg_vars.
1064 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1065 copies or clearings if cfun->has_local_explicit_reg_vars.
1067 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1070 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1071 of function prologue when frame pointer is used to access
1074 2009-02-10 Richard Guenther <rguenther@suse.de>
1077 * gimplify.c (gimple_regimplify_operands): Always look if
1078 we need to create a temporary.
1080 2009-02-10 Richard Guenther <rguenther@suse.de>
1082 PR tree-optimization/39132
1083 * tree-loop-distribution.c (todo): New global var.
1084 (generate_memset_zero): Trigger TODO_rebuild_alias.
1085 (tree_loop_distribution): Return todo.
1087 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1090 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1091 (x86_64_reg_class_name): Removed.
1092 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1093 first one isn't X86_64_SSE_CLASS or any other ones aren't
1094 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1095 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1096 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1097 and 3 X86_64_SSEUP_CLASS.
1098 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1099 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1101 2009-02-10 Ben Elliston <bje@au.ibm.com>
1103 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1104 form instruction to update the stack back chain word, even if the
1105 user has disabled the generation of update instructions.
1106 (movdi_<mode>_update_stack): New.
1107 (movsi_update_stack): Likewise.
1108 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1109 always use an update form instruction to update the stack back
1112 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1115 * graphite.c (if_region_set_false_region): After moving a region in
1116 the false branch of a condition, remove the empty dummy basic block.
1117 (gloog): Remove wrong fix for PR38953.
1119 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1121 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1122 generation due to implicit sign extension.
1124 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1127 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1128 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1130 2009-02-09 Richard Guenther <rguenther@suse.de>
1133 * convert.c (convert_to_real): Disable (float)fn((double)x)
1134 to fnf(x) conversion if errno differences may occur and
1135 -fmath-errno is set.
1137 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1139 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1140 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1141 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1143 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1146 * c-common.c (handle_alias_attribute): Disallow attribute for
1147 anything not a FUNCTION_DECL or VAR_DECL.
1149 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1152 * real.c (do_compare): Special-case compare of zero against
1153 decimal float value.
1155 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1158 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1159 as indicating flexible array members unless the field itself is
1160 being declarared as the incomplete array.
1162 2009-02-06 Jan Hubicka <jh@suse.cz>
1164 PR tree-optimization/38844
1165 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1168 2009-02-06 Richard Guenther <rguenther@suse.de>
1171 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1172 fork because we may expand it as __gcov_fork.
1174 2009-02-06 Nick Clifton <nickc@redhat.com>
1176 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1178 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1180 PR tree-optimization/35659
1181 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1182 vn_phi_eq): Shortcut if hashcode does not match.
1183 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1185 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1186 and avoid iterative_hash_expr.
1187 (FOR_EACH_VALUE_ID_IN_SET): New.
1188 (value_id_compare): Remove.
1189 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1190 sort expressions by value id.
1192 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1195 * config/sh/predicates.md (general_movsrc_operand): Don't check
1196 the subreg of system registers here.
1198 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1201 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1204 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1206 PR rtl-optimization/39110
1207 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1208 addresses, not aligned ones.
1210 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1211 Richard Guenther <rguenther@suse.de>
1213 PR tree-optimization/39100
1214 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1215 comment says and add edges.
1217 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1220 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1221 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1223 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1225 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1226 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1227 register_bb_in_sese, new_sese, free_sese): Moved.
1228 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1229 outermost_loop_in_scop, build_scop_iteration_domain,
1230 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1231 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1232 Use loop_in_sese_p instead of loop_in_scop_p.
1233 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1234 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1235 (scopdet_basic_block_info): Fix bug in scop detection.
1236 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1237 eq_loop_to_cloog_loop): Remove.
1238 (nb_loops_around_loop_in_scop, nb_loop
1239 ref_nb_loops): Moved here...
1240 * graphite.h (ref_nb_loops): ... from here.
1241 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1242 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1243 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1244 * testsuite/gcc.dg/graphite/scop-19.c: New
1246 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1247 Hans-Peter Nilsson <hp@axis.com>
1249 PR rtl-optimization/37889
1250 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1251 Move offset handling from PLUS to before the switch. Use new
1252 arguments when considering SYMBOL_REFs too.
1253 (rtx_addr_can_trap_p): Pass dummy offset and size.
1254 (enum may_trap_p_flags): Remove.
1255 (may_trap_p_1): Pass size from MEM_SIZE.
1257 PR rtl-optimization/38921
1258 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1259 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1260 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1261 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1263 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1265 AVX Programming Reference (January, 2009)
1266 * config/i386/sse.md (*vpclmulqdq): New.
1268 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1270 PR tree-optimization/38977
1271 PR gcov-profile/38292
1272 * calls.c (special_function_p): Disregard __builtin_ prefix.
1274 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1276 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1277 non-indexable addresses even before reload.
1279 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1282 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1283 as having variable size. Do not give an error for unnamed
1284 parameters with [*] declarators. Give a warning for type names
1285 with [*] declarators and mark them as variable size.
1286 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1287 for sizeof applied to [*] type names.
1289 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1292 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1294 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1296 * gcc.c (process_command): Update copyright notice dates.
1297 * gcov.c (print_version): Likewise.
1298 * gcov-dump.c (print_version): Likewise.
1299 * mips-tfile.c (main): Likewise.
1300 * mips-tdump.c (main): Likewise.
1302 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1305 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1306 for composite type involving a zero-length array type.
1308 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1311 * function.c (match_asm_constraints_1): Skip over
1312 initial optional % in the constraint.
1315 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1316 supported, don't accept FIXED_CSTs.
1317 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1318 and _Sat is used without _Fract/_Accum. Set specs->type to
1319 integer_type_node for cts_fract/cts_accum if fixed point is not
1322 2009-02-02 Catherine Moore <clm@codesourcery.com>
1324 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1326 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1328 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1329 (ABI_HAS_64BIT_SYMBOLS): Use it.
1330 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1332 2009-02-02 Paul Brook <paul@codesourcery.com>
1334 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1336 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1339 * recog.h (asm_operand_ok): Add constraints argument.
1340 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1341 recurse on matching constraint.
1342 (check_asm_operands): Pass constraints as 3rd argument to
1343 asm_operand_ok. Don't look up matching constraint here.
1344 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1347 2009-02-02 Ben Elliston <bje@au.ibm.com>
1349 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1350 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1352 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1354 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1355 information. Remove some obsolete information. Reorganize.
1357 * config/pa/fptr.c: Revert license to GPL 2.
1358 * config/pa/milli64.S: Likewise.
1360 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1363 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1364 LIBRARY name in, instead of hard-coding it.
1365 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1366 extra target make frag to tmake_files according to EH model.
1367 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1368 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1369 frags that define makefile variable EH_MODEL appropriately.
1370 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1371 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1372 to "-sjlj" according to type of EH configured.
1373 (LIBGCC_SONAME): Concatenate it to shared library base name.
1374 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1375 to "_sjlj" according to type of EH configured.
1376 (LIBGCC_SONAME): Concatenate it to shared library base name.
1377 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1378 (SHLIB_LINK): Add missing semicolon to if-else construct.
1379 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1380 string value of "pe_dll" command-line option.
1381 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1382 (SHLIB_SONAME): Use it when overriding t-cygming default.
1383 (SHLIB_IMPLIB): Override t-cygming default.
1384 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1385 string value of "pe_dll" command-line option.
1387 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1390 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1391 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1393 2009-01-31 Richard Guenther <rguenther@suse.de>
1395 PR tree-optimization/38937
1396 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1397 computing the transitive closure.
1399 2009-01-30 Richard Guenther <rguenther@suse.de>
1401 PR tree-optimization/39041
1402 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1403 Propagate variable indices only if the types match for this stmt.
1405 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1408 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1409 inline but never defined.
1411 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1413 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1414 (*insv_h_di_reg_extimm): New insn.
1415 (*insv_l<mode>_reg_extimm): New insn.
1417 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1419 * config/picochip/picochip.c (flag_conserve_stack): set
1420 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1421 fconserve-stack. Reduce call-overhead used by inliner.
1423 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1426 * common.opt (flag_conserve_stack): Initialised to zero.
1428 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1431 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1432 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1435 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1437 * ira-color.c (allocno_reload_assign): Update comments.
1438 * regmove.c (regmove_optimize): Likewise.
1442 2009-01-29 Robert Millan <rmh@aybabtu.com>
1444 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1445 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1446 `MD_UNWIND_SUPPORT'.
1447 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1449 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1451 PR tree-optimization/39007
1452 * tree-loop-distribution.c (generate_builtin): Use
1453 recompute_dominator to compute the immediate dominator of the
1454 basic block just after the loop.
1456 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1458 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1459 (ASM_OUTPUT_DWARF_PCREL): Define.
1461 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1463 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1464 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1465 global. Modify entries about regmove and IRA.
1467 * ra-conflict.c: Remove the file.
1469 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1471 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1472 (pass_regclass_init): Rename to pass_reginfo_init.
1474 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1476 * toplev.h (flag_ira): Remove.
1478 * caller-save.c (setup_save_areas): Remove flag_ira.
1480 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1482 * global.c: Remove the file.
1484 * opts.c: (decode_options): Remove flag_ira.
1486 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1488 * regmove.c: Modify file description.
1489 (find_use_as_address, try_auto_increment): Define them only if
1490 AUTO_INC_DEC is defined.
1491 (replacement_quality, replace_in_call_usage, fixup_match_1,
1492 stable_and_no_regs_but_for_p): Remove.
1493 (reg_set_in_bb): Make it static.
1494 (regmove_optimize): Remove flag_ira and code which worked for
1497 * local-alloc.c: Remove the file.
1499 * common.opt (fira): Remove.
1501 * ira.c: Include except.h.
1502 (eliminable_regset): Move from global.c.
1503 (mark_elimination): Ditto. Remove flag_ira.
1504 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1505 equiv_mem_modified, validate_equiv_mem_from_store,
1506 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1507 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1508 no_equiv, recorded_label_ref): Move from local-alloc.c.
1509 (update_equiv_regs): Ditto. Make it static.
1510 (print_insn_chain, print_insn_chains): Move it from global.c.
1511 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1512 (build_insn_chain): Ditto. Make it static.
1513 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1514 Rename to init_live_subregs.
1515 (gate_ira): Remove flag_ira.
1517 * regclass.c: Rename reginfo.c. Change file description.
1518 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1519 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1520 (init_reg_sets_1): Remove code for evaluation of
1521 reg_class_superclasses and losing_caller_save_reg_set.
1522 (init_regs): Remove init_reg_autoinc.
1523 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1524 ok_for_base_p_nonstrict): Remove.
1525 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1526 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1527 corresponding entries.
1528 (dump_regclass, record_operand_costs, scan_one_insn,
1529 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1530 record_address_regs, auto_inc_dec_reg_p): Remove.
1531 (gt-regclass.h): Rename to gt-reginfo.h.
1533 * rtl.h (dump_global_regs, retry_global_alloc,
1534 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1536 * Makefile.in (RA_H): Remove.
1537 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1538 Rename regclass.o to reginfo.o.
1539 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1541 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1542 (GTFILES): Rename regclass.c to reginfo.c.
1544 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1545 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1547 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1548 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1550 (finish_spills): Ditto. Remove code for !flag_ira.
1552 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1555 * doc/invoke.texi (rtl debug options): Complete rewrite.
1556 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1558 * mode-switching.c (pass_mode_switching): Rename pass from
1559 "mode-sw" to "mode_sw".
1560 * except.c (pass_convert_to_eh_ranges): Rename pass from
1561 "eh-ranges" to "eh_ranges".
1562 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1566 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1567 Alexander Monakov <amonakov@ispras.ru>
1570 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1572 (move_exprs_to_boundary): Change return type and pass through
1573 should_move from move_op. Relax assert. Update usage ...
1574 (schedule_expr_on_boundary): ... here. Use should_move instead of
1576 (move_op_orig_expr_found): Indicate that insn was disconnected from
1578 (code_motion_process_successors): Do not call after_merge_succs
1579 callback if original expression was not found when traversing any of
1581 (code_motion_path_driver): Change return type. Update prototype.
1582 (move_op): Update comment. Add a new parameter (should_move). Update
1583 prototype. Set *should_move based on indication provided by
1584 move_op_orig_expr_found.
1586 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1588 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1589 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1590 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1591 * config/rs6000/rs6000.c (rs6000_override_options): Default
1592 avoid-indexed-addresses on for Power6, off for everything else.
1593 (avoiding_indexed_address_p): New function.
1594 (rs6000_legitimize_address): Use it.
1595 (rs6000_legitimate_address): Likewise.
1596 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1598 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1600 PR tree-optimization/38997
1601 * tree-loop-distribution.c (generate_memset_zero): Use
1602 POINTER_PLUS_EXPR for a pointer addition.
1604 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1606 * config/s390/s390.md (bswap<mode>2): New pattern added.
1608 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1610 * config/s390/s390.md (*tls_load_31): Added type attribute.
1612 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1614 * config/s390/s390.md: Fix a few comments.
1616 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1618 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1619 (*tm<mode>_full): Fixed z10prop attribute.
1620 (*tst<mode>_extimm): Fixed z10prop attribute.
1621 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1622 (*tstqiCCT_cconly): Fixed z10prop attribute.
1623 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1624 (*movsi_larl): Fixed z10prop attribute.
1625 (*movsi_zarch): Fixed z10prop attribute.
1626 (*movsi_eas): Fixed z10prop attribute.
1627 (*movhi): Fixed z10prop attribute.
1628 (*movqi): Fixed z10prop attribute.
1629 (*movstrictqi): Fixed z10prop attribute.
1630 (*mov<mode>): Fixed z10prop attribute.
1631 (*movcc): Fixed z10prop attribute.
1632 (*sethighpartdi_64): Fixed z10prop attribute.
1633 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1634 (*negdi2_sign_cc): Fixed z10prop attribute.
1635 (*negdi2_sign): Fixed z10prop attribute.
1636 (*absdi2_sign_cc): Fixed z10prop attribute.
1637 (*absdi2_sign): Fixed z10prop attribute.
1638 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1639 (*negabsdi2_sign): Fixed z10prop attribute.
1640 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1641 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1642 (doloop_si64): Fixed z10prop attribute.
1643 (doloop_si31): Fixed z10prop attribute.
1644 (doloop_long): Fixed z10prop attribute.
1645 (indirect_jump): Fixed z10prop attribute.
1646 (nop): Fixed z10prop attribute.
1647 (main_base_64): Fixed z10prop attribute.
1648 (reload_base_64): Fixed z10prop attribute.
1650 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1652 PR rtl-optimization/38740
1653 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1655 * config/mips/mips.c (mips_reorg): Likewise.
1657 2009-01-28 Richard Guenther <rguenther@suse.de>
1659 PR tree-optimization/38926
1660 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1661 with the correct value id to a value.
1662 (do_regular_insertion): Use the value number of edoubleprime
1663 for the value number of the expr.
1666 2008-08-21 Richard Guenther <rguenther@suse.de>
1668 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1669 a PHI ask VN if it is already available.
1670 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1671 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1673 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1676 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1677 set to varying whenever max has TREE_OVERFLOW set, similarly
1678 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1680 2009-01-28 Richard Guenther <rguenther@suse.de>
1683 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1684 uninitialized aggregate uses in call arguments.
1686 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1688 PR tree-optimization/38984
1689 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1690 the nothing_id variable if -fno-delete-null-pointer-checks.
1692 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1695 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1696 (set_got_offset_rex64): Ditto.
1698 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1701 * doc/extend.texi: Improve local variable with asm reg.
1703 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1705 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1706 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1707 was not supplied then set warn_packed_bitfield_compat to the
1709 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1712 2009-01-27 Richard Guenther <rguenther@suse.de>
1714 PR tree-optimization/38503
1715 * cfgexpand.c (expand_gimple_basic_block): Ignore
1716 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1717 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1718 variables that cannot have TBAA applied.
1719 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1722 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1725 * calls.c (initialize_argument_information): Do not wrap complex
1726 arguments in SAVE_EXPR.
1728 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1730 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1731 (INSTALL_LIBGCC): Revert typo commit.
1733 2009-01-26 Richard Guenther <rguenther@suse.de>
1735 PR tree-optimization/38745
1736 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1737 from special handling.
1739 2009-01-26 Richard Guenther <rguenther@suse.de>
1741 PR tree-optimization/38745
1742 * tree-ssa.c (execute_update_addresses_taken): Do not include
1743 variables that cannot possibly be a register in not_reg_needs.
1744 Do not clear TREE_ADDRESSABLE on vars that may not become
1746 * tree-ssa.c (update_alias_info_1): Include those in the set
1747 of addressable vars.
1749 2009-01-26 Richard Guenther <rguenther@suse.de>
1752 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1753 * tree-ssa-dse.c: Include langhooks.h
1754 (execute_simple_dse): Remove stores with zero size.
1756 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1759 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1762 2009-01-24 Julian Brown <julian@codesourcery.com>
1764 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1765 config/arm/linux-atomic.c.
1766 * config/arm/linux-atomic.c: New.
1768 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1770 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1771 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1772 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1774 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1777 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1780 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1782 PR tree-optimization/38953
1783 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1784 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1785 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1786 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1789 2009-01-24 Paul Brook <paul@codesourcery.com>
1791 * config/arm/neon.md (neon_type): Move to arm.md.
1792 (neon_mov<VSTRUCT>): Add neon_type attribute.
1793 * config/arm/arm.md (neon_type): Move to here.
1794 (conds): Add "unconditioal" and use as default for NEON insns.
1796 2009-01-24 Ben Elliston <bje@au.ibm.com>
1798 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1799 void *' warning from -Wc++-compat.
1800 * Makefile.in (dominance.o-warn): Remove.
1802 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1804 PR tree-optimization/38932
1805 * fold-const.c (fold_unary_ignore_overflow): New.
1806 * tree.h (fold_unary_ignore_overflow): Declare.
1807 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1808 * tree-ssa-sccvn.c (visit_reference_op_load,
1809 simplify_unary_expression): Likewise.
1811 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1813 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1814 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1815 regardless of their type.
1816 * c-common.c (handle_packed_attribute): Don't ignore packed on
1818 * c.opt (Wpacked-bitfield-compat): New warning option.
1819 * stor-layout.c (place_field): Warn if offset of a field changed.
1820 * doc/extend.texi (packed): Mention the ABI change.
1821 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1822 (Warning Options): Add it to the list.
1824 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1826 * c-opts.c (c_common_post_options): Fix a typo in comments.
1828 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1831 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1832 variables to static.
1833 * doc/invoke.texi (-fmerge-all-constants): Update description.
1835 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1838 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1839 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1841 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1843 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1845 (LOCAL_ALIGNMENT): Similarly.
1847 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1848 Joseph Myers <joseph@codesourcery.com>
1850 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1851 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1852 * config/arm/arm-tune.md: Regenerate.
1853 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1856 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1858 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1859 version number to five.
1861 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1864 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1865 * c-common.c (set_underlying_type): Likewise.
1866 (is_typedef_decl ): Likewise
1868 (set_underlying_type): Likewise.
1869 (is_typedef_type): Likewise.
1871 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1874 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1877 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1880 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1881 (LIBGCC_SPEC): Don't define.
1882 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1884 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1886 PR rtl-optimization/38879
1887 * alias.c (base_alias_check): Unaligned access via AND address can
1888 alias all surrounding object types except those with sizes equal
1889 or wider than the size of unaligned access.
1891 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1894 * c-decl.c: (clone_underlying_type): Move this ...
1895 * c-common.c (set_underlying_type): ... here.
1896 Also, make sure the function properly sets TYPE_STUB_DECL() on
1897 the newly created typedef variant type.
1898 (is_typedef_decl ): New entry point.
1899 * tree.h: Added a new member member_types_needing_access_check to
1900 struct tree_decl_non_common.
1901 (set_underlying_type): New entry point.
1902 (is_typedef_type): Likewise.
1904 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1906 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1907 Check whether two instructions have memory references that
1908 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1909 are helper functions for traversing.
1910 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1911 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1912 not to draw dependency edge for instructions with non-conflicting
1915 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1918 * longlong.h: Update copyright years. Use soft-fp license notice.
1919 Sync __clz_tab declaration with glibc.
1921 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1924 * doc/extend.texi (syscall_linkage): New.
1925 (version_id): Modify.
1927 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1928 Richard Guenther <rguenther@suse.de>
1930 PR tree-optimization/38747
1931 PR tree-optimization/38748
1932 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1933 conversion if the base address is an indirect reference and the
1934 aliasing sets could cause issues.
1936 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1938 * common.opt (fgraphite, fgraphite-identity): Add comment for
1939 explaining why these options are not documented.
1941 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1943 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1944 gimple_call_lhs is NULL.
1946 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1949 * emit-rtl.c (adjust_address_1): Make sure memref is never
1952 2009-01-20 Ben Elliston <bje@au.ibm.com>
1954 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1955 const qualifier from arg parameter. Remove unnecessary cast to char *.
1956 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1957 const qualifier from arg 2.
1959 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1961 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1963 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1966 * rtl.h (reinit_regs): New prototype.
1967 * regclass.c: Include ira.h.
1969 * Makefile.in (regclass.o): Add ira.h.
1970 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1972 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1975 * c-common.c (handle_aligned_attribute): Use
1976 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1977 default alignment value.
1979 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1981 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1982 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1984 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1985 __BIGGEST_ALIGNMENT__.
1987 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1989 2009-01-18 Richard Guenther <rguenther@suse.de>
1991 PR tree-optimization/38819
1992 * tree-flow.h (operation_could_trap_helper_p): Declare.
1993 * tree-eh.c (operation_could_trap_helper_p): Export.
1994 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1995 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1996 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1997 are about to insert a possibly trapping instruction and fail
2000 2009-01-18 Andreas Schwab <schwab@suse.de>
2002 * doc/install.texi (Configuration): Remove obsolete paragraph
2003 about use of --with-gnu-ld with --with-gnu-as.
2005 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2007 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2008 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2009 Follow spelling conventions.
2011 2009-01-18 Ben Elliston <bje@au.ibm.com>
2013 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2014 C++ warning about implicit conversion from void * to struct
2016 (bitmap_obstack_free): Likewise for bitmap_element *.
2017 * Makefile.in (bitmap.o-warn): Remove.
2019 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2021 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2023 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2024 Tobias Grosser <tobi.grosser@amd.com>
2026 * graphite.c (graphite_trans_scop_block): Do not block single
2029 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2031 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2032 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2033 test with assertion.
2035 2009-01-16 Richard Guenther <rguenther@suse.de>
2037 PR tree-optimization/38835
2039 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2040 and INT + PTR -> (INT)(PTR p+ INT) folding.
2041 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2043 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2046 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2047 the subreg from a lowpart subreg if it is also casting the value.
2049 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2050 Tobias Grosser <tobi.grosser@amd.com>
2052 * graphite.c (compare_prefix_loops): New.
2053 (build_scop_canonical_schedules): Rewritten.
2054 (graphite_transform_loops): Move build_scop_canonical_schedules
2055 after build_scop_iteration_domain.
2057 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2058 Tobias Grosser <tobi.grosser@amd.com>
2060 * graphite.c (add_conditions_to_domain): Add the loops to
2061 the dimension of the iteration domain. Do copy the domain
2062 only when it exists.
2063 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2064 (add_conditions_to_constraints): New.
2065 (can_generate_code_stmt, can_generate_code): Removed.
2066 (gloog): Do not call can_generate_code.
2067 (graphite_transform_loops): Call add_conditions_to_constraints
2068 after building the iteration domain.
2070 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2072 PR tree-optimization/38789
2073 * tree-ssa-threadedge.c
2074 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2075 __builtin_constant_p.
2077 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2079 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2080 examined before deleting them.
2082 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2084 * function.c (aggregate_value_p): Correctly extract the function
2085 type from CALL_EXPR_FN lookup.
2087 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2089 * config/picochip/picochip.c (picochip_override_options): Revert
2090 CFI asm flag disable commited previously.
2092 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2093 Tobias Grosser <tobi.grosser@amd.com>
2094 Jan Sjodin <jan.sjodin@amd.com>
2096 * graphite.c (scan_tree_for_params): On substractions negate
2097 all the coefficients of the term.
2098 (clast_to_gcc_expression_red): New. Handle reduction expressions
2099 of more than two operands.
2100 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2101 (get_vdef_before_scop): Handle also the case of default definitions.
2103 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2105 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2106 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2107 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2109 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2110 Joey Ye <joey.ye@intel.com>
2113 * cfgexpand.c (expand_stack_alignment): Don't update stack
2114 boundary nor check incoming stack boundary here.
2115 (gimple_expand_cfg): Update stack boundary and check incoming
2116 stack boundary here.
2118 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2120 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2122 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2124 PR rtl-optimization/38245
2125 * calls.c (expand_call): Add stack arguments to
2126 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2127 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2128 in regs and partially in memory or BLKmode arguments.
2129 (emit_library_call_value_1): Add stack arguments to
2130 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2131 ACCUMULATE_OUTGOING_ARGS).
2132 * dce.c: Include tm_p.h.
2133 (find_call_stack_args): New function.
2134 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2136 (mark_insn): Call find_call_stack_args for CALL_Ps.
2137 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2138 forwards. Allocate and free arg_stores bitmap if needed, pass it
2139 down to deletable_insn_p, don't mark stores set in arg_stores
2140 bitmap, clear the bitmap at the beginning of each bb.
2141 * Makefile.in (dce.o): Depend on $(TM_P_H).
2143 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2146 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2147 to make sure the insn is a conditional test (bug 22599). Reformat a
2150 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2153 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2154 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2155 (gloog): Do not call cleanup_tree_cfg.
2156 (graphite_transform_loops): Call cleanup_tree_cfg after all
2157 scops have been code generated.
2159 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2160 * doc/gty.texi (Invoking the garbage collector): Added new node
2161 and section documenting ggc_collect.
2163 2009-01-14 Richard Guenther <rguenther@suse.de>
2165 PR tree-optimization/38826
2167 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2168 initialization notes only if we actually emitted a warning.
2169 (intra_create_variable_infos): Add constraints for a result decl
2170 that is passed by hidden reference.
2171 (build_pred_graph): Mark all related variables non-direct on
2174 2009-01-14 Nick Clifton <nickc@redhat.com>
2176 * ira-conflicts.c: Include addresses.h for the definition of
2178 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2179 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2181 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2184 * Makefile.in (ira-lives.o): Add except.h.
2186 * ira-lives.c: Include except.h.
2187 (process_bb_node_lives): Process can_throw_internal.
2189 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2191 PR rtl-optimization/38774
2192 * combine.c (simplify_set): When undoing cc_use change, don't do
2193 PUT_CODE on the newly created comparison, but instead put back the
2196 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2198 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2199 values. Remove duplicate arm8 entry.
2201 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2203 PR tree-optimization/38786
2204 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2205 the SSA_NAME case of expand_scalar_variables_expr.
2206 Set the type of an expression to the type of its assign statement.
2207 (expand_scalar_variables_expr): Also gather the scalar computation
2208 used to index the memory access. Do not pass loop_p.
2209 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2210 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2211 the gimple_stmt_iterator where it inserts new code.
2213 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2214 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2216 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2218 * graphite.h (debug_value): Removed.
2219 * graphite.c (debug_value): Removed.
2221 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2223 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2224 ldrd/strd with two 32-bit instructions.
2226 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2228 * config/arm/arm.c (struct processors): Pass for speed down into
2229 cost helper functions.
2230 (const_ok_for_op): Handle COMPARE and inequality nodes.
2231 (arm_rtx_costs_1): Rewrite.
2232 (arm_size_rtx_costs): Update prototype.
2233 (arm_rtx_costs): Pass speed down to helper functions.
2234 (arm_slowmul_rtx_costs): Rework cost calculations.
2235 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2236 (arm_9e_rtx_costs): Likewise.
2238 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2240 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2241 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2242 (alpha_legitimize_address): Do not split local symbols wider than
2243 UNITS_PER_WORD into HIGH/LO_SUM parts.
2245 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2248 * gcc.c (process_command): Replace call to execvp with calls
2249 to pex_one and exit.
2251 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2254 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2255 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2256 variant for devices with 3-byte PC.
2257 (__tablejump_elpm__) : New.
2259 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2262 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2263 offsetof member-designator, handle it as `[0].'.
2265 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2267 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2268 function when not using named sections on targets with named sections
2269 if branch distance is less than 262132.
2271 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2273 * combine.c (combine_instructions): Recompute
2274 optimize_this_for_speed_p for each BB in the main combine loop.
2276 2009-01-12 Tomas Bily <tbily@suse.cz>
2279 * tree-loop-distribution.c (prop_phis): New function.
2280 (generate_builtin): Call prop_phis.
2281 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2283 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2285 PR tree-optimization/38807
2286 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2287 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2289 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2291 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2292 subreg of op0 to the original op0.
2294 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2296 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2298 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2301 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2302 starting with digits.
2304 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2307 * config/arm/arm.c (arm_is_long_call_p): Don't call
2308 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2310 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2312 * regrename.c (regrename_optimize): Fix dumping.
2313 (find_oldest_value_reg): Preserve REG_POINTER.
2314 (copy_hardreg_forward_1): Likewise.
2316 2009-01-09 Diego Novillo <dnovillo@google.com>
2318 * gimple.h (struct gimple_statement_base) <uid>: Document
2319 the restrictions on its use.
2321 (gimple_set_uid): Tidy.
2323 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2325 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2326 zero guard even if align_bytes != 0 and count is smaller than
2329 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2331 PR rtl-optimization/38495
2332 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2333 (add_range_and_copies_from_move_list): Print all added ranges.
2334 Add ranges to memory optimized destination.
2336 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2340 * config/i386/i386.c (override_options): Reject
2341 -mstringop-strategy=rep_8byte with -m32.
2342 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2343 to 1. Do count comparison against epilogue_size_needed at compile
2344 time even when count_exp was constant forced into register. For
2345 size_needed don't jump to epilogue, instead just avoid aligning
2346 and invoke the body algorithm. If need_zero_guard, add zero guard
2347 even if count is non-zero, but smaller than size_needed + number of
2348 bytes that could be stored for alignment.
2349 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2350 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2351 but smaller than size_needed + number of bytes that could be stored
2352 for alignment. Compare size_needed with epilogue_size_needed instead
2353 of desired_align - align, don't adjust size_needed, pass
2354 epilogue_size_needed to the epilogue expanders.
2357 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2359 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2361 * pa.c (last_address): Change to unsigned.
2362 (update_total_code_bytes): Change argument to unsigned. Don't
2363 check if insn addresses are set.
2364 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2365 addresses are not set.
2366 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2368 2009-01-09 Nick Clifton <nickc@redhat.com>
2370 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2371 DECL_DECLARED_INLINE_P.
2373 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2376 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2377 GET_MODE (op0) in operand_subword_force calls.
2380 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2381 fold_convert arg0 operands to TREE_TYPE (op0) first.
2383 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2385 * params.def (ira-max-conflict-table-size): Decrease default value
2388 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2390 PR tree-optimization/37031
2391 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2393 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2394 allocate it using gc instead of heap, use VEC_quick_push instead of
2396 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2397 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2398 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2399 allocated vector from heap allocated.
2400 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2401 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2402 vector only after perfect_loop_nest_depth call.
2404 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2405 Jan Sjodin <jan.sjodin@amd.com>
2407 PR tree-optimization/38559
2408 * graphite.c (debug_value, copy_constraint,
2409 swap_constraint_variables, scale_constraint_variable, ): New.
2410 (get_lower_bound, get_upper_bound): Removed.
2411 (graphite_trans_bb_strip_mine): Clean up this code that works
2412 only for constant number of iterations. Fully copy upper and
2413 lower bound constraints, not only the constant part of them.
2414 * graphite.h (debug_value): Declared.
2416 2009-01-08 Ira Rosen <irar@il.ibm.com>
2418 PR tree-optimization/37194
2419 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2420 Don't add the cost of cost model guard in prologue to scalar
2421 outside cost in case of known number of iterations.
2423 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2424 Alan Modra <amodra@bigpond.net.au>
2426 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2427 non-word-aligned REG+CONST addressing.
2429 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2432 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2433 free_after_compilation when outputting a thunk.
2434 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2435 Do not call free_after_compilation here.
2437 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2439 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2440 (ix86_valid_target_attribute_inner_p): Ditto.
2442 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2444 PR tree-optimization/38492
2445 PR tree-optimization/38498
2446 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2447 * tree-chrec.h (scev_is_linear_expression): Declared.
2448 * graphite.c (graphite_cannot_represent_loop_niter): New.
2449 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2450 (graphite_loop_normal_form): Use gcc_assert.
2451 (scan_tree_for_params): Use CASE_CONVERT.
2452 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2453 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2454 Use gcc_assert. Discard scops that contain unhandled cases.
2455 (build_scop_conditions): Return a boolean status for unhandled cases.
2456 (strip_mine_profitable_p): Print the loop number, not its depth.
2457 (is_interchange_valid): Pass the depth of the loop nest, don't
2458 recompute it wrongly.
2459 (graphite_trans_bb_block): Same.
2460 (graphite_trans_bb_block): Print tentative of loop blocking.
2461 (graphite_trans_scop_block): Do not print that the loop has been
2463 (graphite_transform_loops): Do not handle scops that contain condition
2466 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2468 AVX Programming Reference (December, 2008)
2469 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2470 (_mm256_stream_pd): Likewise.
2471 (_mm256_stream_ps): Likewise.
2473 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2474 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2475 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2476 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2477 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2478 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2479 (ix86_expand_special_args_builtin): Likewise.
2481 * config/i386/sse.md (AVXMODEDI): New.
2482 (avx_movnt<mode>): Likewise.
2483 (avx_movnt<mode>): Likewise.
2484 (<sse>_movnt<mode>): Remove AVX support.
2485 (sse2_movntv2di): Likewise.
2487 2009-01-07 Richard Guenther <rguenther@suse.de>
2490 * fold-const.c (extract_muldiv): Remove obsolete comment.
2491 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2492 to PLUS_EXPR canonicalization for the canonicalization.
2494 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2496 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2497 hosted cross-compilers generating less efficient code.
2499 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2501 * function.h (rtl_data): Add a dbr_scheduled_p field.
2502 * reorg.c (dbr_schedule): Set it.
2503 (gate_handle_delay_slots): Check it.
2504 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2505 (mips_reorg): Check flag_delayed_branch instead of
2506 mips_base_delayed_branch.
2507 (mips_override_options): Don't set mips_base_delayed_branch
2508 or flag_delayed_branch.
2510 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2512 PR rtl-optimization/38426.
2513 * ira.c (ira): Set current_function_is_leaf earlier.
2515 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2517 PR rtl-optimization/38722
2518 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2519 too early, only set a flag and modify after last possible
2522 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2525 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2526 * real.c (decimal_single_format): Correct values of emin and emax.
2527 (decimal_double_format): Ditto.
2528 (decimal_quad_format): Ditto.
2529 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2530 computation of DECnn_MIN and DECnn_MAX for corrected values of
2531 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2532 __DECnn_MIN__, and adjust its computation for the corrected value
2535 2009-01-06 Jan Hubicka <jh@suse.cz>
2538 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2540 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2542 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2543 Add Robert Clark to the list of testers.
2545 2009-01-06 Jan Hubicka <jh@suse.cz>
2546 Kai Tietz <kai.tietz@onevision.com>
2548 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2549 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2551 2009-01-06 Jan Hubicka <jh@suse.cz>
2552 Kai Tietz <kai.tietz@onevision.com>
2554 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2556 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2557 (ix86_nsaved_regs): Count only general purpose regs.
2558 (ix86_nsaved_sseregs): New.
2559 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2560 to 16 for w64; compute padding and size of sse reg save area.
2561 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2562 general purpose regs.
2563 (ix86_emit_save_sse_regs_using_mov): New.
2564 (ix86_expand_prologue): Save SSE regs if needed.
2565 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2566 (ix86_emit_restore_sse_regs_using_mov): New.
2567 (ix86_expand_epilogue): Save SSE regs if needed.
2569 2009-01-06 Jan Hubicka <jh@suse.cz>
2570 Kai Tietz <kai.tietz@onevision.com>
2572 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2573 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2574 functions when accumulate outgoing args is off.
2576 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2579 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2580 before using pseudos_have_intersected_live_ranges_p.
2582 * ira-int.h (ira_assert): Always define.
2584 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2586 AVX Programming Reference (December, 2008)
2587 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2588 (_mm256_permute2_pd): Likewise.
2589 (_mm_permute2_ps): Likewise.
2590 (_mm256_permute2_ps): Likewise.
2591 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2592 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2594 * config/i386/i386.c (ix86_builtins): Remove
2595 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2596 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2597 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2598 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2599 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2600 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2601 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2602 __builtin_ia32_vpermil2ps256.
2603 (ix86_init_mmx_sse_builtins): Updated.
2604 (ix86_expand_args_builtin): Likewise.
2606 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2608 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2609 long absolute calls when generating PA 2.0 code.
2611 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2613 PR rtl-optimization/38583
2614 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2616 * params.def (ira-max-conflict-table-size): New.
2618 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2620 * ira.h (ira_conflicts_p): New external definition.
2622 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2623 table. Report this. Return result of building.
2624 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2625 building conflict table.
2627 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2628 (ira_color): Use ira_conflicts_p.
2630 * global.c: Include ira.h.
2631 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2634 * Makefile.in (global.o): Add ira.h.
2636 * ira-build.c (mark_all_loops_for_removal,
2637 propagate_some_info_from_allocno): New.
2638 (remove_unnecessary_allocnos): Call
2639 propagate_some_info_from_allocno.
2640 (remove_low_level_allocnos): New.
2641 (remove_unnecessary_regions): Add parameter. Call
2642 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2643 parameter to remove_unnecessary_regions.
2644 (ira_build): Remove all regions but root if the conflict table was
2645 not built. Update conflict hard regs for allocnos crossing calls.
2647 * ira.c (ira_conflicts_p): New global.
2648 (ira): Define and use ira_conflicts_p.
2650 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2651 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2652 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2654 2009-01-06 Ben Elliston <bje@au.ibm.com>
2656 * gengtype-lex.l (YY_NO_INPUT): Define.
2658 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2661 * c-common.c (handle_vector_size_attribute): Also reject
2664 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2666 PR tree-optimization/38492
2667 * graphite.c (rename_map_elt, debug_rename_elt,
2668 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2669 rename_map_elt_info, eq_rename_map_elts,
2670 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2671 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2672 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2673 (sese_build_livein_liveouts): New.
2674 (new_sese, free_sese): New.
2675 (new_scop): Call new_sese.
2676 (free_scop): Call free_sese.
2677 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2678 (register_old_new_names): Renamed register_old_and_new_names.
2679 (register_scop_liveout_renames, add_loop_exit_phis,
2680 insert_loop_close_phis, struct igp,
2681 default_liveout_before_guard, add_guard_exit_phis,
2682 insert_guard_phis, copy_renames): New.
2683 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2684 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2685 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2686 (scop_adjust_phis_for_liveouts): New.
2687 (gloog): Call scop_adjust_phis_for_liveouts.
2689 * graphite.h (struct sese): Documented. Added fields liveout,
2691 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2692 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2693 (struct scop): Added field liveout_renames.
2694 (SCOP_LIVEOUT_RENAMES): New.
2696 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2698 PR tree-optimization/38510
2699 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2700 (translate_clast): Call recompute_all_dominators before
2702 (gloog): Call recompute_all_dominators before graphite_verify.
2704 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2705 Jan Sjodin <jan.sjodin@amd.com>
2707 PR tree-optimization/38500
2708 * graphite.c (create_sese_edges): Call fix_loop_structure after
2711 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2713 * config.gcc: Add m32r*-*-rtems*.
2714 * config/m32r/rtems.h: New file.
2716 2009-01-05 Ben Elliston <bje@au.ibm.com>
2718 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2719 (.po.pox): Likewise.
2720 (po/gcc.pot): Likewise.
2722 2009-01-04 David S. Miller <davem@davemloft.net>
2724 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2725 (STARTING_FRAME_OFFSET): Always set to zero.
2727 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2729 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2730 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2731 fixed-point types, and vectors of the same.
2733 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2735 * config/mips/sync.md (*mb_barrier): Rename to...
2736 (*memory_barrier): ...this.
2738 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2740 * doc/extend.texi (Function Attributes): Move @cindex after @item
2741 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2742 and put in alphabetical order. Fix 'target' name and put in order.
2743 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2746 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2748 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2749 (memory_barrier): Expand as unspec instead of unspec_volatile.
2750 Remove mem:BLK from insn operands. Use Pmode scratch register.
2751 (*memory_barrier): Define as unspec instead of unspec_volatile.
2752 Use (match_dup 0) as input operand.
2754 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2755 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2756 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2757 scratch register. Remove operand 1.
2758 (*stbar): Define as unspec instead of unspec_volatile.
2759 Use (match_dup 0) as input operand, remove (const_int 8).
2760 (*membar): Define as unspec instead of unspec_volatile.
2761 Use (match_dup 0) as input operand, remove input operand 2.
2763 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2764 (memory_barrier): Expand as unspec instead of unspec_volatile.
2765 Remove mem:BLK from insn operands. Use Pmode scratch register.
2766 (*memory_barrier): Define as unspec instead of unspec_volatile.
2767 Use (match_dup 0) as input operand.
2769 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2770 Remove mem:BLK from insn operands. Use Pmode scratch register.
2771 Set volatile flag on operand 0.
2772 (*memory_barrier): New insn pattern.
2774 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2776 (*memory_barrier): Use (match_dup 0) as input operand.
2778 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2779 Remove mem:BLK from insn operands. Use Pmode scratch register.
2780 Set volatile flag on operand 0.
2781 (*mb_internal): New insn pattern.
2783 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2785 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2788 * function.c (struct temp_slot): Move to the section of the file
2789 that deals with temp slots. Remove field 'address'.
2790 (temp_slot_address_table): New hash table of address -> temp slot.
2791 (struct temp_slot_address_entry): New struct, items for the table.
2792 (temp_slot_address_compute_hash, temp_slot_address_hash,
2793 temp_slot_address_eq, insert_temp_slot_address): Support functions
2795 (find_temp_slot_from_address): Rewrite to use the new hash table.
2796 (remove_unused_temp_slot_addresses): Remove addresses of temp
2797 slots that have been made available.
2798 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2799 worker function for remove_unused_temp_slot_addresses.
2800 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2801 Add the temp slot address to the address -> temp slot map.
2802 (update_temp_slot_address): Update via insert_temp_slot_address.
2803 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2804 (pop_temp_slots): Likewise.
2805 (init_temp_slots): Allocate the address -> temp slot map, or empty
2806 the map if it is already allocated.
2807 (prepare_function_start): Initialize temp slot processing.
2809 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2812 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2813 Calculate the size of all stack vars assuming no packing of stack
2814 vars will happen, replacing a quadratic algorithm with a linear one.
2816 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2819 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2822 2009-01-03 Diego Novillo <dnovillo@google.com>
2824 * doc/contrib.texi: Update contributions.
2826 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2829 * builtins.c (fold_builtin_memory_op): Give up if either operand
2830 is volatile. Set srctype or desttype to non-qualified version
2834 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2837 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2839 PR rtl-optimization/35805
2840 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2841 problem if fast dce is able to remove any instructions.
2842 * dce.c (dce_process_block): Fix dump message.
2844 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2847 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2849 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2852 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2853 * tree-pretty-print.c (op_code_prio): New function.
2854 (op_prio): No longer static. Use op_code_prio.
2855 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2856 Use op_prio and op_code_prio to determine if () should be
2857 printed around operand(s) or not.
2859 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2860 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2861 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2862 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2863 pp_character instead of pp_string for single letter printing.
2865 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2867 * doc/extend.texi: Fix '#pragma GCC option' typo.
2869 2009-01-02 Richard Guenther <rguenther@suse.de>
2871 * doc/install.texi (--enable-checking): Mention different
2873 (--enable-stage1-checking): Document.
2875 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2878 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2879 case to be an error.
2881 2009-01-02 Ben Elliston <bje@au.ibm.com>
2883 * config/fp-bit.h (pack_d): Constify argument.
2884 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2885 (isnan): Constify argument.
2889 (_fpadd_parts): Constify return type.
2890 (_fpmul_parts): Likewise.
2891 (_fpdiv_parts): Likewise.
2893 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2896 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2897 warn about overwriting initializer with side-effects or
2898 -Woverride-init if !IMPLICIT.
2899 (output_init_element): Likewise. Pass IMPLICIT down to
2901 (process_init_element): Add IMPLICIT argument. Pass it down
2902 to output_init_element.
2903 (push_init_element, pop_init_level, set_designator): Adjust
2904 process_init_element callers.
2905 (set_nonincremental_init, set_nonincremental_init_from_string):
2906 Adjust add_pending_init callers.
2907 (output_pending_init_elements): Adjust output_init_element callers.
2908 * c-tree.h (process_init_element): Adjust prototype.
2909 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2910 process_init_element callers.