1 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/39394
4 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
5 DECL_SIZE_UNIT of variable length FIELD_DECLs.
7 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
9 * recog.c (verfiy_changes): Disallow renaming of hard regs in
10 inline asms for register asm ("") declarations.
12 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
14 * fold-const.c (fold_unary): Fix comment.
16 2009-03-07 Jan Hubicka <jh@suse.cz>
19 * tree-inline.c (setup_one_parameter): Do replacement of const argument
20 by constant in SSA form.
22 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
25 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
26 determine alignment passed to assign_stack_local.
27 (assign_parms_unsplit_complex): Likewise.
28 * except.c (sjlj_build_landing_pads): Likewise.
30 2009-03-06 Jakub Jelinek <jakub@redhat.com>
33 * tree-flow.h (add_referenced_var): Return bool instead of void.
34 * tree-dfa.c (add_referenced_var): Return result of
35 referenced_var_check_and_insert call.
36 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
37 of referenced_var_check_and_insert.
40 * dwarf2out.c (add_abstract_origin_attribute): Return
42 (gen_variable_die): Emit DW_AT_location on abstract static variable's
43 DIE, don't emit it if abstract origin already has it.
44 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
45 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
47 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
49 * genpreds.c: (needs_variable): Fix parentheses at variable name
51 (write_tm_constrs_h): Indent generated code.
53 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
55 * doc/extend.texi (Function Attributes): Add documentation
58 2009-03-06 Jakub Jelinek <jakub@redhat.com>
61 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
62 take locus from its DECL_SOURCE_LOCATION instead of input_location.
64 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
66 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
69 2009-03-05 Jakub Jelinek <jakub@redhat.com>
72 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
73 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
75 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
77 * config/i386/i386.md (R8_REG, R9_REG): New constants.
78 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
79 constants instead of magic numbers.
80 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
82 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
83 (x86_64_ms_abi_int_parameter_registers): Ditto.
84 (x86_64_int_return_registers): Ditto.
85 (ix86_maybe_switch_abi): Ditto.
86 (ix86_expand_call): Ditto for clobbered_registers array.
87 (ix86_hard_regno_mode_ok): Ditto.
88 (x86_extended_QIreg_mentioned_p): Ditto.
90 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
92 PR tree-optimization/39349
93 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
95 * combine.c (gen_lowpart_for_combine): Use omode when generating
98 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
100 PR rtl-optimization/39235
101 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
103 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
105 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
107 2009-03-04 Richard Guenther <rguenther@suse.de>
109 PR tree-optimization/39362
110 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
111 that occur in abnormal PHIs should be varying.
113 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
115 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
117 (simple_iv): Take loop as an argument instead of statement.
118 * tree-scalar-evolution.h (simple_iv): Declaration changed.
119 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
121 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
123 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
124 * matrix-reorg.c (analyze_transpose): Ditto.
125 * tree-data-ref.c (dr_analyze_innermost): Ditto.
126 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
127 * tree-predcom.c (ref_at_iteration): Ditto.
128 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
130 2009-03-04 Richard Guenther <rguenther@suse.de>
132 PR tree-optimization/39358
133 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
134 escaped_id and callused_id.
135 (solve_graph): Likewise.
137 2009-03-04 Richard Guenther <rguenther@suse.de>
139 PR tree-optimization/39339
140 * tree-sra.c (try_instantiate_multiple_fields): Make it
141 no longer ICE on the above.
143 2009-03-03 Joseph Myers <joseph@codesourcery.com>
145 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
146 that fits within Pmode.
148 2009-03-03 Steve Ellcey <sje@cup.hp.com>
151 * tm.texi (LIBCALL_VALUE): Update description.
153 2009-03-03 Steve Ellcey <sje@cup.hp.com>
156 * doc/extend.texi (section): Update description.
158 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
161 * tree-inline.c (remapped_type): New.
162 (can_be_nonlocal): Call remapped_type instead of remap_type.
164 2009-03-03 Jakub Jelinek <jakub@redhat.com>
167 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
168 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
170 2009-03-03 Richard Guenther <rguenther@suse.de>
173 * tree.c (tree_nonartificial_location): New function.
174 * tree.h (tree_nonartificial_location): Declare.
175 * builtins.c (expand_builtin_memory_chk): Provide location
176 of the call location for artificial function pieces.
177 (maybe_emit_chk_warning): Likewise.
178 (maybe_emit_sprintf_chk_warning): Likewise.
179 (maybe_emit_free_warning): Likewise.
180 * expr.c (expand_expr_real_1): Likewise.
182 2009-03-03 Jakub Jelinek <jakub@redhat.com>
184 PR tree-optimization/39343
185 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
186 COMPONENT_REF t has ARRAY_TYPE.
188 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
191 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
192 when the type precision of the induction variable should be
193 larger than the type precision of nit.
194 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
195 * graphite.c (graphite_loop_normal_form): Same.
196 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
198 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
200 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
201 (*call_1_rex64_ms_sysv): Use named constants instead of magic
202 numbers to describe clobbered registers.
203 (*call_value_0_rex64_ms_sysv): Ditto.
204 * config/i386/mmx.md (mmx_emms): Ditto.
207 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
209 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
212 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
214 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
215 (spu_section_type_flags): New function.
217 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
219 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
220 reg_class_contents of FLOAT_REGS into a temporary.
222 2009-03-02 Richard Guenther <rguenther@suse.de>
223 Ira Rosen <irar@il.ibm.com>
225 PR tree-optimization/39318
226 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
227 information to the vectorized statement.
229 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
231 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
232 variable. Use defined names instead of magic constants for REX SSE
235 2009-03-01 Richard Guenther <rguenther@suse.de>
237 PR tree-optimization/39331
238 * omp-low.c (lower_send_shared_vars): Do not receive new
239 values for the reference of DECL_BY_REFERENCE parms or results.
241 2009-03-01 Jan Hubicka <jh@suse.cz>
244 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
245 BLOCK_NONLOCALIZED_VAR): New macros.
246 (tree_block): Add nonlocalized_vars.
247 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
248 gen_decl_die): Add origin argument. Allow generation of die with
250 (gen_member_die, gen_type_die_with_usage, force_decl_die,
251 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
253 (gen_block_die): Fix checking for unused blocks.
254 (process_scope_var): Break out from .... ; work with origins only.
255 (decls_for_scope) ... here; process nonlocalized list.
256 (dwarf2out_ignore_block): Look for nonlocalized vars.
257 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
259 (dump_scope_block): Dump them.
260 * tree-inline.c (remap_decls): Handle nonlocalized vars.
261 (remap_block): Likewise.
262 (can_be_nonlocal): New predicate.
263 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
265 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
267 * configure: Regenerate.
269 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
271 * optc-gen.awk: No need to duplicate option flags twice.
272 Reuse help texts for duplicate options which do not have
275 * gcc.c (display_help): Document --version.
277 * gcc.c (main): If print_help_list and verbose_flag, ensure
278 driver output comes before subprocess output.
280 * optc-gen.awk: Assign all remaining fields to help string,
281 space-separated, for multi-line help in *.opt.
283 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
284 -Wno-pedantic-ms-format is for MinGW targets only.
286 * doc/options.texi (Option file format): Fix bad indentation,
287 restoring dropped sentence.
289 2009-02-28 Jan Hubicka <jh@suse.cz>
291 * tree-inline.c (tree_function_versioning): Output debug info.
293 2009-02-28 Jan Hubicka <jh@suse.cz>
296 * tree-inline.c (setup_one_parameter): Do not copy propagate
297 arguments when not optimizing.
299 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
302 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
303 (avx_addsubv4df3): Likewise.
304 (*avx_addsubv4sf3): Likewise.
305 (sse3_addsubv4sf3): Likewise.
306 (*avx_addsubv2df3): Likewise.
307 (sse3_addsubv2df3): Likewise.
308 (avx_unpckhps256): Correct item selectors.
309 (avx_unpcklps256): Likewise.
310 (avx_unpckhpd256): Likewise.
311 (avx_unpcklpd256): Likewise.
313 2009-02-28 Jan Hubicka <jh@suse.cz>
315 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
317 (copy_arguments_for_versioning): If var is declared don't declare it.
318 (tree_function_versioning): First setup substitutions and then copy
321 2009-02-27 Jan Hubicka <jh@suse.cz>
324 * cgraph.h (varpool_output_debug_info): Remove.
325 * cgraphunit.c (varpool_output_debug_info): Remove.
326 * dwarf2out.c (deferred_locations_struct): New struct
327 (deferred_locations): New type.
328 (deferred_locations_list): New static var.
329 (deffer_location): New function.
330 (gen_variable_die): Use it.
331 (decls_for_scope): Output info on local static vars.
332 (dwarf2out_finish): Process deferred locations.
333 * varpool.c (varpool_output_debug_info): Remove.
335 2009-02-27 Jan Hubicka <jh@suse.cz>
338 * tree.h (TREE_PROTECTED): Fix comment.
339 (BLOCK_HANDLER_BLOCK): Remove.
340 (struct tree_block): Remove handler_block add body_block.
341 (inlined_function_outer_scope_p): New.
342 (is_body_block): Remove.
343 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
344 * dwarf2out.c (is_inlined_entry_point): Remove.
345 (add_high_low_attributes): Use inlined_function_outer_scope_p.
346 (gen_block_die): Use is_inlined_entry_point check. Remove body block
348 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
349 * gimplify.c (gimplify_expr): Gimplify body blocks.
350 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
351 block with multiple subblocks.
352 (dump_scope_block): Prettier output; dump more flags and info.
353 (dump_scope_blocks): New.
354 (remove_unused_locals): Use dump_scope_blocks.
355 * tree-flow.h (dump_scope_blocks): Declare.
356 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
357 * stmt.c (is_body_block): Remove.
358 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
359 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
361 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
364 * graphite.c (graphite_loop_normal_form): Do not call
365 number_of_iterations_exit from a gcc_assert.
367 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
369 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
370 jumps if COND is NULL.
371 (find_cond_jump): New function.
372 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
373 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
375 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
377 * config/alpha/alpha.h (alpha_expand_mov): Return false if
378 force_const_mem returns NULL_RTX.
380 2009-02-26 Jan Hubicka <jh@suse.cz>
383 * cgraph.h (varpool_output_debug_info): Remove.
384 * cgraphunit.c (varpool_output_debug_info): Remove.
385 * dwarf2out.c (deferred_locations_struct): New struct
386 (deferred_locations): New type.
387 (deferred_locations_list): New static var.
388 (deffer_location): New function.
389 (gen_variable_die): Use it.
390 (decls_for_scope): Output info on local static vars.
391 (dwarf2out_finish): Process deferred locations.
392 * varpool.c (varpool_output_debug_info): Remove.
394 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
396 PR rtl-optimization/39241
397 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
398 to subreg_offset_representable_p.
400 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
402 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
403 execute function prototype. Get f and nregs from max_reg_num
404 and get_insns. Remove the first backward pass as it's dead,
405 guard the forward pass by flag_expensive_optimizations.
406 (rest_of_handle_regmove): Delete.
407 (pass_regmove): Replace it with regmove_optimize.
409 2009-02-25 Martin Jambor <mjambor@suse.cz>
411 PR tree-optimization/39259
412 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
413 calls_alloca function flags.
414 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
417 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
419 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
420 flags_set_1_rtx, flags_set_1_set): Delete.
421 (regmove_optimize): Do not call mark_flags_life_zones.
423 2009-02-24 Julian Brown <julian@codesourcery.com>
426 * config/arm/arm.c (require_pic_register): Only set
427 cfun->machine->pic_reg once per function.
429 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
431 * doc/invoke.texi (Link Options): Document an easier way to pass
432 options that take arguments to the GNU linker using -Xlinker and -Wl.
434 2009-02-24 Steve Ellcey <sje@cup.hp.com>
437 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
439 2009-02-24 Richard Guenther <rguenther@suse.de>
442 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
444 2009-02-24 Richard Guenther <rguenther@suse.de>
445 Zdenek Dvorak <ook@ucw.cz>
447 PR tree-optimization/39233
448 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
449 from converting them to a generic type.
451 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
453 PR tree-optimization/39260
454 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
455 contains a condition with a real type.
456 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
458 2009-02-23 Jason Merrill <jason@redhat.com>
461 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
462 narrowing_initializer_constant_valid_p.
463 (narrowing_initializer_constant_valid_p): Don't return
464 null_pointer_node for adding a pointer to itself.
466 2009-02-23 Jan Hubicka <jh@suse.cz>
469 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
472 2009-02-23 Jan Hubicka <jh@suse.cz>
474 PR tree-optimization/37709
475 * tree.c (block_ultimate_origin): Move here from dwarf2out.
476 * tree.h (block_ultimate_origin): Declare.
477 * dwarf2out.c (block_ultimate_origin): Move to tree.c
478 * tree-ssa-live.c (remove_unused_scope_block_p):
479 Eliminate blocks containig no instructions nor live variables nor
481 (dump_scope_block): New function.
482 (remove_unused_locals): Enable removal of dead blocks by default;
483 enable dumping at TDF_DETAILS.
485 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
487 * config/i386/i386.c (classify_argument): Don't allow COImode
489 (function_arg_advance_32): Don't allow OImode.
490 (function_arg_32): Likewise.
491 (function_value_32): Likewise.
492 (return_in_memory_32): Likewise.
493 (function_arg_64): Remove OImode comment.
495 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
498 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
499 ix86_expand_vector_set for V4DImode in 64bit mode only.
500 (ix86_expand_vector_init_one_var): Likewise.
502 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
504 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
506 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
509 * loop-iv.c: Revert last change.
510 * emit-rtl.c: Likewise.
512 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
515 * config/i386/i386.c (type_natural_mode): Remove an extra
516 space in the warning message.
517 (function_value_32): Handle 32-byte vector modes.
518 (return_in_memory_32): Likewise.
520 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
522 * loop-iv.c (truncate_value): New function.
523 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
525 (lowpart_subreg): Move to...
526 * emit-rtl.c: ...here.
528 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
530 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
531 accidental and undocumented change at revision 140860.
533 2009-02-21 Joseph Myers <joseph@codesourcery.com>
535 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
536 take gimple_seq * arguments.
537 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
538 types_compatible_p langhook.
540 2009-02-20 Mark Mitchell <mark@codesourcery.com>
541 Joseph Myers <joseph@codesourcery.com>
543 * config/arm/arm.c (arm_builtin_va_list): New function.
544 (arm_expand_builtin_va_start): Likewise.
545 (arm_gimplify_va_arg_expr): Likewise.
546 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
547 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
548 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
549 (va_list_type): New variable.
550 (arm_mangle_type): Mangle va_list_type appropriately.
552 2009-02-20 Jakub Jelinek <jakub@redhat.com>
555 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
556 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
557 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
558 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
559 parameter to 1000 for -O1 by default.
560 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
562 * loop-invariant.c: Include params.h.
563 (move_loop_invariants): Don't call move_single_loop_invariants on
566 2009-02-20 Jaka Mocnik <jaka@xlab.si>
568 * calls.c (emit_library_call_value_1): Use slot_offset instead of
569 offset when calculating bounds for indexing stack_usage_map. Fixes
570 a buffer overflow with certain target setups.
572 2009-02-20 Jakub Jelinek <jakub@redhat.com>
575 * calls.c (expand_call): Clear try_tail_call if caller and callee
576 disagree in promotion of function return value.
578 2009-02-19 Jakub Jelinek <jakub@redhat.com>
581 * c-common.c (c_determine_visibility): If visibility changed and
582 DECL_RTL has been already set, call make_decl_rtl to update symbol
585 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
588 * varasm.c (assemble_variable): Don't check DECL_NAME when
589 globalizing a variable.
591 2009-02-19 Joseph Myers <joseph@codesourcery.com>
594 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
595 expression before any __builtin_trap call.
596 * c-typeck.c (build_function_call): Convert and check function
597 arguments before generating a call to a trap. Evaluate the
598 function arguments before the trap.
600 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
603 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
604 (UNSPEC_FXAM_MEM): New unspec.
605 (fxam<mode>2_i387_with_temp): New insn and split pattern.
606 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
607 memory using fxam<mode>2_i387_with_temp to remove excess precision.
609 2009-02-19 Richard Guenther <rguenther@suse.de>
611 PR tree-optimization/39207
612 PR tree-optimization/39074
613 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
614 storedanything_tree): New.
615 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
616 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
617 (build_succ_graph): Add edges from STOREDANYTHING to all
619 (init_base_vars): Initialize STOREDANYTHING.
620 (compute_points_to_sets): Free substitution info after
621 building the succ graph.
622 (ipa_pta_execute): Likewise.
624 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
626 (do_ds_constraint): Do not add to special var or non-pointer
628 (type_could_have_pointers): Split out from ...
629 (could_have_pointers): ... here. For arrays use the element type.
630 (create_variable_info_for): Initialize may_have_pointers.
631 (new_var_info): Likewise.
632 (handle_lhs_call): Make the HEAP variable unknown-sized.
633 (intra_create_variable_infos): Use a type with pointers for
634 PARM_NOALIAS, make it unknown-sized.
636 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
639 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
641 2009-02-18 Jason Merrill <jason@redhat.com>
644 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
645 value if DECL_EXTERNAL.
646 * tree-sra.c (sra_walk_gimple_assign): Likewise.
647 * target.h (gcc_target::binds_local_p): Clarify "module".
648 * tree.h (TREE_PUBLIC): Clarify "module".
650 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
653 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
654 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
656 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
659 * c.opt (Wabi): Support C and ObjC.
662 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
664 * config/i386/i386.c (classify_argument): Warn once about the ABI
665 change when passing union with long double.
667 * doc/invoke.texi: Update -Wabi for warning psABI changes.
669 2009-02-18 Joseph Myers <joseph@codesourcery.com>
672 * c-parser.c (c_parser_compound_statement): Always enter and leave
675 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
678 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
680 2009-02-18 Jakub Jelinek <jakub@redhat.com>
682 PR tree-optimization/36922
683 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
684 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
687 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
689 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
692 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
694 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
696 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
698 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
701 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
702 Richard Sandiford <rdsandiford@googlemail.com>
704 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
705 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
706 (loongson_biadd): ...this.
708 2009-02-17 Richard Guenther <rguenther@suse.de>
710 PR tree-optimization/39202
711 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
712 a var make sure to follow existing collapses.
714 2009-02-17 Richard Guenther <rguenther@suse.de>
717 * langhooks.c (lhd_print_error_function): Check for NULL block.
719 2009-02-17 Richard Guenther <rguenther@suse.de>
721 PR tree-optimization/39204
722 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
725 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
727 * config/soft-fp/double.h: Update from glibc CVS.
729 2009-02-17 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/39207
732 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
733 strict-aliasing warnings for pointers pointing to NULL.
735 2009-02-16 Joseph Myers <joseph@codesourcery.com>
738 * c-parser.c (c_parser_braced_init): Call pop_init_level when
739 skipping until next close brace.
741 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
744 * config/i386/i386.c (ix86_expand_push): Set memory alignment
745 to function argument boundary.
747 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
749 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
750 in the lea_add. Reload eventually constraints it properly.
751 * config/picochip/constraints.md : Remove the target constraint
752 "b", since it is not needed anymore.
754 2009-02-16 Jakub Jelinek <jakub@redhat.com>
756 * gthr-dce.h: Uglify function parameter and local variable names.
757 * gthr-gnat.h: Likewise.
758 * gthr-mipssde.h: Likewise.
759 * gthr-nks.h: Likewise.
760 * gthr-posix95.h: Likewise.
761 * gthr-posix.h: Likewise.
762 * gthr-rtems.h: Likewise.
763 * gthr-single.h: Likewise.
764 * gthr-solaris.h: Likewise.
765 * gthr-tpf.h: Likewise.
766 * gthr-vxworks.h: Likewise.
767 * gthr-win32.h: Likewise.
769 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
772 * config/i386/i386.md: Restrict the new peephole2 to move
773 between MMX/SSE registers.
775 2009-02-15 Richard Guenther <rguenther@suse.de>
778 2009-02-13 Richard Guenther <rguenther@suse.de>
780 * configure.ac: Enable LFS.
781 * configure: Re-generate.
782 * config.in: Likewise.
784 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
786 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
787 spu_srqwbyte, spu_srqwbytebc): Define.
788 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
789 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
790 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
791 "shrqby_<mode>"): New insn-and-split patterns.
792 * config/spu/spu.c (expand_builtin_args): Determine and return
793 number of operands using spu_builtin_description data.
794 (spu_expand_builtin_1): Use it.
796 2009-02-13 Steve Ellcey <sje@cup.hp.com>
799 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
802 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
805 * config/i386/i386.c (override_options): Correct warning
806 messages for -malign-loops, -malign-jumps and -malign-functions.
808 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
811 * config/i386/i386.md: Restrict the new peephole2 to move
812 between the general purpose registers.
814 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
817 * config/i386/i386.c (type_natural_mode): Add a new argument.
818 Return the original mode and warn ABI change if vector size is 32byte.
819 (function_arg_advance): Updated.
820 (function_arg): Likewise.
821 (ix86_function_value): Likewise.
822 (ix86_return_in_memory): Likewise.
823 (ix86_sol10_return_in_memory): Likewise.
824 (ix86_gimplify_va_arg): Likewise.
825 (function_arg_32): Don't warn ABX ABI change here.
826 (function_arg_64): Likewise.
828 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
830 * loop-iv.c (implies_p): In the final case, test that operands 0
831 of the two comparisons match.
833 * config/bfin/bfin.c (find_prev_insn_start): New function.
834 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
835 (find_next_insn_start): Move.
837 2009-02-13 Richard Guenther <rguenther@suse.de>
839 * configure.ac: Enable LFS.
840 * configure: Re-generate.
841 * config.in: Likewise.
843 2009-02-13 Joseph Myers <joseph@codesourcery.com>
846 * c-parser.c (c_parser_parms_list_declarator): Discard pending
847 sizes on syntax error after some arguments have been parsed.
849 2009-02-12 Jakub Jelinek <jakub@redhat.com>
851 * doc/invoke.texi (-fira): Remove.
853 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
855 * caller-save.c: Replace regclass.c with reginfo.c in comments.
859 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
861 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
862 (umul_ppmm): Likewise.
863 (count_leading_zeros): Likewise.
864 (count_trailing_zeros): Likewise.
865 (UMUL_TIME): Likewise.
867 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
869 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
870 soft-fp/t-softfp to tmake_file.
872 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
873 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
874 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
875 IA64_BUILTIN_INFQ]: New.
876 (ia64_init_builtins): Initialize __builtin_infq,
877 __builtin_fabsq and __builtin_copysignq if not HPUX.
878 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
879 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
881 * config/ia64/lib1funcs.asm (__divtf3): Define only if
883 (__fixtfti): Likewise.
884 (__fixunstfti): Likewise.
885 (__floattitf): Likewise.
887 * config/ia64/libgcc-glibc.ver: New.
888 * config/ia64/t-fprules-softfp: Likewise.
889 * config/ia64/sfp-machine.h: Likewise.
891 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
892 (LIBGCC2_TF_CEXT): Likewise.
894 (TARGET_INIT_LIBFUNCS): Likewise.
896 * config/ia64/t-glibc (SHLINB_MAPFILES):
897 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
899 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
901 * config/i386/i386.c (construct_container): Rewrite processing
902 BLKmode with X86_64_SSE_CLASS.
904 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
907 * config/i386/i386.md: Replace simplify_replace_rtx with
908 replace_rtx in the new peephole2.
910 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
912 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
913 loop unrolling do not happen at -O2.
915 2009-02-12 Michael Matz <matz@suse.de>
917 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
919 2009-02-12 Jakub Jelinek <jakub@redhat.com>
921 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
924 2009-02-12 Ben Elliston <bje@au.ibm.com>
926 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
927 patterns when updating the back chain. Missed in the 2009-02-10
930 2009-02-11 Janis Johnson <janis187@us.ibm.com>
932 * doc/extend.texi (Decimal Floating Types): Update identifier of
933 draft TR and list of missing support.
935 2009-02-11 Jakub Jelinek <jakub@redhat.com>
938 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
939 bit to variable length decl's flags, add it also to its
940 pointer replacement variable.
942 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
943 Jakub Jelinek <jakub@redhat.com>
946 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
947 (memory_blockage): New expander.
948 (*memory_blockage): New insn pattern.
949 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
950 instead of general blockage at the end of function prologue when
951 frame pointer is used to access red zone area. Do not emit blockage
952 when profiling, it is emitted in generic code.
953 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
954 function epilogue when frame pointer is used to access red zone area.
956 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
959 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
960 by arithmetic with memory operands.
961 * config/i386/predicates.md (commutative_operator): New.
963 2009-02-10 Janis Johnson <janis187@us.ibm.com>
965 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
968 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
970 * alias.h (record_alias_subset): Declare.
971 * alias.c (record_alias_subset): Make global.
973 2009-02-10 Nick Clifton <nickc@redhat.com>
975 * tree-parloops.c: Change license to GPLv3.
976 * ipa-struct-reorg.c: Change license to GPLv3.
977 * ipa-struct-reorg.h: Change license to GPLv3.
979 2009-02-10 Steve Ellcey <sje@cup.hp.com>
982 * c-decl.c (start_struct): Return NULL on error.
984 2009-02-10 Jakub Jelinek <jakub@redhat.com>
987 * cfgloopmanip.c (remove_path): Call remove_bbs after
988 cancel_loop_tree, not before it.
991 * function.h (struct function): Add has_local_explicit_reg_vars bit.
992 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
994 * tree-ssa-live.c (remove_unused_locals): Recompute
995 cfun->has_local_explicit_reg_vars.
996 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
997 copies or clearings if cfun->has_local_explicit_reg_vars.
999 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1002 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1003 of function prologue when frame pointer is used to access
1006 2009-02-10 Richard Guenther <rguenther@suse.de>
1009 * gimplify.c (gimple_regimplify_operands): Always look if
1010 we need to create a temporary.
1012 2009-02-10 Richard Guenther <rguenther@suse.de>
1014 PR tree-optimization/39132
1015 * tree-loop-distribution.c (todo): New global var.
1016 (generate_memset_zero): Trigger TODO_rebuild_alias.
1017 (tree_loop_distribution): Return todo.
1019 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1022 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1023 (x86_64_reg_class_name): Removed.
1024 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1025 first one isn't X86_64_SSE_CLASS or any other ones aren't
1026 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1027 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1028 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1029 and 3 X86_64_SSEUP_CLASS.
1030 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1031 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1033 2009-02-10 Ben Elliston <bje@au.ibm.com>
1035 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1036 form instruction to update the stack back chain word, even if the
1037 user has disabled the generation of update instructions.
1038 (movdi_<mode>_update_stack): New.
1039 (movsi_update_stack): Likewise.
1040 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1041 always use an update form instruction to update the stack back
1044 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1047 * graphite.c (if_region_set_false_region): After moving a region in
1048 the false branch of a condition, remove the empty dummy basic block.
1049 (gloog): Remove wrong fix for PR38953.
1051 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1053 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1054 generation due to implicit sign extension.
1056 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1059 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1060 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1062 2009-02-09 Richard Guenther <rguenther@suse.de>
1065 * convert.c (convert_to_real): Disable (float)fn((double)x)
1066 to fnf(x) conversion if errno differences may occur and
1067 -fmath-errno is set.
1069 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1071 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1072 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1073 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1075 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1078 * c-common.c (handle_alias_attribute): Disallow attribute for
1079 anything not a FUNCTION_DECL or VAR_DECL.
1081 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1084 * real.c (do_compare): Special-case compare of zero against
1085 decimal float value.
1087 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1090 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1091 as indicating flexible array members unless the field itself is
1092 being declarared as the incomplete array.
1094 2009-02-06 Jan Hubicka <jh@suse.cz>
1096 PR tree-optimization/38844
1097 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1100 2009-02-06 Richard Guenther <rguenther@suse.de>
1103 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1104 fork because we may expand it as __gcov_fork.
1106 2009-02-06 Nick Clifton <nickc@redhat.com>
1108 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1110 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1112 PR tree-optimization/35659
1113 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1114 vn_phi_eq): Shortcut if hashcode does not match.
1115 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1117 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1118 and avoid iterative_hash_expr.
1119 (FOR_EACH_VALUE_ID_IN_SET): New.
1120 (value_id_compare): Remove.
1121 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1122 sort expressions by value id.
1124 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1127 * config/sh/predicates.md (general_movsrc_operand): Don't check
1128 the subreg of system registers here.
1130 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1133 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1136 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1138 PR rtl-optimization/39110
1139 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1140 addresses, not aligned ones.
1142 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1143 Richard Guenther <rguenther@suse.de>
1145 PR tree-optimization/39100
1146 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1147 comment says and add edges.
1149 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1152 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1153 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1155 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1157 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1158 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1159 register_bb_in_sese, new_sese, free_sese): Moved.
1160 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1161 outermost_loop_in_scop, build_scop_iteration_domain,
1162 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1163 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1164 Use loop_in_sese_p instead of loop_in_scop_p.
1165 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1166 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1167 (scopdet_basic_block_info): Fix bug in scop detection.
1168 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1169 eq_loop_to_cloog_loop): Remove.
1170 (nb_loops_around_loop_in_scop, nb_loop
1171 ref_nb_loops): Moved here...
1172 * graphite.h (ref_nb_loops): ... from here.
1173 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1174 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1175 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1176 * testsuite/gcc.dg/graphite/scop-19.c: New
1178 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1179 Hans-Peter Nilsson <hp@axis.com>
1181 PR rtl-optimization/37889
1182 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1183 Move offset handling from PLUS to before the switch. Use new
1184 arguments when considering SYMBOL_REFs too.
1185 (rtx_addr_can_trap_p): Pass dummy offset and size.
1186 (enum may_trap_p_flags): Remove.
1187 (may_trap_p_1): Pass size from MEM_SIZE.
1189 PR rtl-optimization/38921
1190 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1191 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1192 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1193 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1195 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1197 AVX Programming Reference (January, 2009)
1198 * config/i386/sse.md (*vpclmulqdq): New.
1200 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1202 PR tree-optimization/38977
1203 PR gcov-profile/38292
1204 * calls.c (special_function_p): Disregard __builtin_ prefix.
1206 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1208 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1209 non-indexable addresses even before reload.
1211 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1214 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1215 as having variable size. Do not give an error for unnamed
1216 parameters with [*] declarators. Give a warning for type names
1217 with [*] declarators and mark them as variable size.
1218 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1219 for sizeof applied to [*] type names.
1221 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1224 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1226 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1228 * gcc.c (process_command): Update copyright notice dates.
1229 * gcov.c (print_version): Likewise.
1230 * gcov-dump.c (print_version): Likewise.
1231 * mips-tfile.c (main): Likewise.
1232 * mips-tdump.c (main): Likewise.
1234 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1237 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1238 for composite type involving a zero-length array type.
1240 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1243 * function.c (match_asm_constraints_1): Skip over
1244 initial optional % in the constraint.
1247 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1248 supported, don't accept FIXED_CSTs.
1249 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1250 and _Sat is used without _Fract/_Accum. Set specs->type to
1251 integer_type_node for cts_fract/cts_accum if fixed point is not
1254 2009-02-02 Catherine Moore <clm@codesourcery.com>
1256 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1258 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1260 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1261 (ABI_HAS_64BIT_SYMBOLS): Use it.
1262 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1264 2009-02-02 Paul Brook <paul@codesourcery.com>
1266 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1268 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1271 * recog.h (asm_operand_ok): Add constraints argument.
1272 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1273 recurse on matching constraint.
1274 (check_asm_operands): Pass constraints as 3rd argument to
1275 asm_operand_ok. Don't look up matching constraint here.
1276 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1279 2009-02-02 Ben Elliston <bje@au.ibm.com>
1281 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1282 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1284 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1286 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1287 information. Remove some obsolete information. Reorganize.
1289 * config/pa/fptr.c: Revert license to GPL 2.
1290 * config/pa/milli64.S: Likewise.
1292 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1295 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1296 LIBRARY name in, instead of hard-coding it.
1297 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1298 extra target make frag to tmake_files according to EH model.
1299 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1300 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1301 frags that define makefile variable EH_MODEL appropriately.
1302 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1303 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1304 to "-sjlj" according to type of EH configured.
1305 (LIBGCC_SONAME): Concatenate it to shared library base name.
1306 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1307 to "_sjlj" according to type of EH configured.
1308 (LIBGCC_SONAME): Concatenate it to shared library base name.
1309 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1310 (SHLIB_LINK): Add missing semicolon to if-else construct.
1311 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1312 string value of "pe_dll" command-line option.
1313 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1314 (SHLIB_SONAME): Use it when overriding t-cygming default.
1315 (SHLIB_IMPLIB): Override t-cygming default.
1316 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1317 string value of "pe_dll" command-line option.
1319 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1322 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1323 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1325 2009-01-31 Richard Guenther <rguenther@suse.de>
1327 PR tree-optimization/38937
1328 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1329 computing the transitive closure.
1331 2009-01-30 Richard Guenther <rguenther@suse.de>
1333 PR tree-optimization/39041
1334 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1335 Propagate variable indices only if the types match for this stmt.
1337 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1340 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1341 inline but never defined.
1343 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1345 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1346 (*insv_h_di_reg_extimm): New insn.
1347 (*insv_l<mode>_reg_extimm): New insn.
1349 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1351 * config/picochip/picochip.c (flag_conserve_stack): set
1352 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1353 fconserve-stack. Reduce call-overhead used by inliner.
1355 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1358 * common.opt (flag_conserve_stack): Initialised to zero.
1360 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1363 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1364 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1367 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1369 * ira-color.c (allocno_reload_assign): Update comments.
1370 * regmove.c (regmove_optimize): Likewise.
1374 2009-01-29 Robert Millan <rmh@aybabtu.com>
1376 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1377 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1378 `MD_UNWIND_SUPPORT'.
1379 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1381 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1383 PR tree-optimization/39007
1384 * tree-loop-distribution.c (generate_builtin): Use
1385 recompute_dominator to compute the immediate dominator of the
1386 basic block just after the loop.
1388 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1390 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1391 (ASM_OUTPUT_DWARF_PCREL): Define.
1393 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1395 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1396 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1397 global. Modify entries about regmove and IRA.
1399 * ra-conflict.c: Remove the file.
1401 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1403 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1404 (pass_regclass_init): Rename to pass_reginfo_init.
1406 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1408 * toplev.h (flag_ira): Remove.
1410 * caller-save.c (setup_save_areas): Remove flag_ira.
1412 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1414 * global.c: Remove the file.
1416 * opts.c: (decode_options): Remove flag_ira.
1418 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1420 * regmove.c: Modify file description.
1421 (find_use_as_address, try_auto_increment): Define them only if
1422 AUTO_INC_DEC is defined.
1423 (replacement_quality, replace_in_call_usage, fixup_match_1,
1424 stable_and_no_regs_but_for_p): Remove.
1425 (reg_set_in_bb): Make it static.
1426 (regmove_optimize): Remove flag_ira and code which worked for
1429 * local-alloc.c: Remove the file.
1431 * common.opt (fira): Remove.
1433 * ira.c: Include except.h.
1434 (eliminable_regset): Move from global.c.
1435 (mark_elimination): Ditto. Remove flag_ira.
1436 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1437 equiv_mem_modified, validate_equiv_mem_from_store,
1438 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1439 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1440 no_equiv, recorded_label_ref): Move from local-alloc.c.
1441 (update_equiv_regs): Ditto. Make it static.
1442 (print_insn_chain, print_insn_chains): Move it from global.c.
1443 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1444 (build_insn_chain): Ditto. Make it static.
1445 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1446 Rename to init_live_subregs.
1447 (gate_ira): Remove flag_ira.
1449 * regclass.c: Rename reginfo.c. Change file description.
1450 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1451 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1452 (init_reg_sets_1): Remove code for evaluation of
1453 reg_class_superclasses and losing_caller_save_reg_set.
1454 (init_regs): Remove init_reg_autoinc.
1455 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1456 ok_for_base_p_nonstrict): Remove.
1457 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1458 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1459 corresponding entries.
1460 (dump_regclass, record_operand_costs, scan_one_insn,
1461 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1462 record_address_regs, auto_inc_dec_reg_p): Remove.
1463 (gt-regclass.h): Rename to gt-reginfo.h.
1465 * rtl.h (dump_global_regs, retry_global_alloc,
1466 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1468 * Makefile.in (RA_H): Remove.
1469 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1470 Rename regclass.o to reginfo.o.
1471 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1473 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1474 (GTFILES): Rename regclass.c to reginfo.c.
1476 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1477 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1479 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1480 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1482 (finish_spills): Ditto. Remove code for !flag_ira.
1484 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1487 * doc/invoke.texi (rtl debug options): Complete rewrite.
1488 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1490 * mode-switching.c (pass_mode_switching): Rename pass from
1491 "mode-sw" to "mode_sw".
1492 * except.c (pass_convert_to_eh_ranges): Rename pass from
1493 "eh-ranges" to "eh_ranges".
1494 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1498 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1499 Alexander Monakov <amonakov@ispras.ru>
1502 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1504 (move_exprs_to_boundary): Change return type and pass through
1505 should_move from move_op. Relax assert. Update usage ...
1506 (schedule_expr_on_boundary): ... here. Use should_move instead of
1508 (move_op_orig_expr_found): Indicate that insn was disconnected from
1510 (code_motion_process_successors): Do not call after_merge_succs
1511 callback if original expression was not found when traversing any of
1513 (code_motion_path_driver): Change return type. Update prototype.
1514 (move_op): Update comment. Add a new parameter (should_move). Update
1515 prototype. Set *should_move based on indication provided by
1516 move_op_orig_expr_found.
1518 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1520 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1521 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1522 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1523 * config/rs6000/rs6000.c (rs6000_override_options): Default
1524 avoid-indexed-addresses on for Power6, off for everything else.
1525 (avoiding_indexed_address_p): New function.
1526 (rs6000_legitimize_address): Use it.
1527 (rs6000_legitimate_address): Likewise.
1528 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1530 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1532 PR tree-optimization/38997
1533 * tree-loop-distribution.c (generate_memset_zero): Use
1534 POINTER_PLUS_EXPR for a pointer addition.
1536 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1538 * config/s390/s390.md (bswap<mode>2): New pattern added.
1540 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1542 * config/s390/s390.md (*tls_load_31): Added type attribute.
1544 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1546 * config/s390/s390.md: Fix a few comments.
1548 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1550 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1551 (*tm<mode>_full): Fixed z10prop attribute.
1552 (*tst<mode>_extimm): Fixed z10prop attribute.
1553 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1554 (*tstqiCCT_cconly): Fixed z10prop attribute.
1555 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1556 (*movsi_larl): Fixed z10prop attribute.
1557 (*movsi_zarch): Fixed z10prop attribute.
1558 (*movsi_eas): Fixed z10prop attribute.
1559 (*movhi): Fixed z10prop attribute.
1560 (*movqi): Fixed z10prop attribute.
1561 (*movstrictqi): Fixed z10prop attribute.
1562 (*mov<mode>): Fixed z10prop attribute.
1563 (*movcc): Fixed z10prop attribute.
1564 (*sethighpartdi_64): Fixed z10prop attribute.
1565 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1566 (*negdi2_sign_cc): Fixed z10prop attribute.
1567 (*negdi2_sign): Fixed z10prop attribute.
1568 (*absdi2_sign_cc): Fixed z10prop attribute.
1569 (*absdi2_sign): Fixed z10prop attribute.
1570 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1571 (*negabsdi2_sign): Fixed z10prop attribute.
1572 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1573 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1574 (doloop_si64): Fixed z10prop attribute.
1575 (doloop_si31): Fixed z10prop attribute.
1576 (doloop_long): Fixed z10prop attribute.
1577 (indirect_jump): Fixed z10prop attribute.
1578 (nop): Fixed z10prop attribute.
1579 (main_base_64): Fixed z10prop attribute.
1580 (reload_base_64): Fixed z10prop attribute.
1582 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1584 PR rtl-optimization/38740
1585 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1587 * config/mips/mips.c (mips_reorg): Likewise.
1589 2009-01-28 Richard Guenther <rguenther@suse.de>
1591 PR tree-optimization/38926
1592 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1593 with the correct value id to a value.
1594 (do_regular_insertion): Use the value number of edoubleprime
1595 for the value number of the expr.
1598 2008-08-21 Richard Guenther <rguenther@suse.de>
1600 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1601 a PHI ask VN if it is already available.
1602 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1603 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1605 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1608 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1609 set to varying whenever max has TREE_OVERFLOW set, similarly
1610 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1612 2009-01-28 Richard Guenther <rguenther@suse.de>
1615 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1616 uninitialized aggregate uses in call arguments.
1618 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1620 PR tree-optimization/38984
1621 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1622 the nothing_id variable if -fno-delete-null-pointer-checks.
1624 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1627 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1628 (set_got_offset_rex64): Ditto.
1630 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1633 * doc/extend.texi: Improve local variable with asm reg.
1635 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1637 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1638 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1639 was not supplied then set warn_packed_bitfield_compat to the
1641 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1644 2009-01-27 Richard Guenther <rguenther@suse.de>
1646 PR tree-optimization/38503
1647 * cfgexpand.c (expand_gimple_basic_block): Ignore
1648 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1649 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1650 variables that cannot have TBAA applied.
1651 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1654 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1657 * calls.c (initialize_argument_information): Do not wrap complex
1658 arguments in SAVE_EXPR.
1660 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1662 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1663 (INSTALL_LIBGCC): Revert typo commit.
1665 2009-01-26 Richard Guenther <rguenther@suse.de>
1667 PR tree-optimization/38745
1668 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1669 from special handling.
1671 2009-01-26 Richard Guenther <rguenther@suse.de>
1673 PR tree-optimization/38745
1674 * tree-ssa.c (execute_update_addresses_taken): Do not include
1675 variables that cannot possibly be a register in not_reg_needs.
1676 Do not clear TREE_ADDRESSABLE on vars that may not become
1678 * tree-ssa.c (update_alias_info_1): Include those in the set
1679 of addressable vars.
1681 2009-01-26 Richard Guenther <rguenther@suse.de>
1684 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1685 * tree-ssa-dse.c: Include langhooks.h
1686 (execute_simple_dse): Remove stores with zero size.
1688 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1691 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1694 2009-01-24 Julian Brown <julian@codesourcery.com>
1696 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1697 config/arm/linux-atomic.c.
1698 * config/arm/linux-atomic.c: New.
1700 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1702 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1703 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1704 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1706 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1709 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1712 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1714 PR tree-optimization/38953
1715 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1716 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1717 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1718 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1721 2009-01-24 Paul Brook <paul@codesourcery.com>
1723 * config/arm/neon.md (neon_type): Move to arm.md.
1724 (neon_mov<VSTRUCT>): Add neon_type attribute.
1725 * config/arm/arm.md (neon_type): Move to here.
1726 (conds): Add "unconditioal" and use as default for NEON insns.
1728 2009-01-24 Ben Elliston <bje@au.ibm.com>
1730 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1731 void *' warning from -Wc++-compat.
1732 * Makefile.in (dominance.o-warn): Remove.
1734 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1736 PR tree-optimization/38932
1737 * fold-const.c (fold_unary_ignore_overflow): New.
1738 * tree.h (fold_unary_ignore_overflow): Declare.
1739 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1740 * tree-ssa-sccvn.c (visit_reference_op_load,
1741 simplify_unary_expression): Likewise.
1743 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1745 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1746 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1747 regardless of their type.
1748 * c-common.c (handle_packed_attribute): Don't ignore packed on
1750 * c.opt (Wpacked-bitfield-compat): New warning option.
1751 * stor-layout.c (place_field): Warn if offset of a field changed.
1752 * doc/extend.texi (packed): Mention the ABI change.
1753 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1754 (Warning Options): Add it to the list.
1756 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1758 * c-opts.c (c_common_post_options): Fix a typo in comments.
1760 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1763 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1764 variables to static.
1765 * doc/invoke.texi (-fmerge-all-constants): Update description.
1767 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1770 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1771 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1773 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1775 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1777 (LOCAL_ALIGNMENT): Similarly.
1779 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1780 Joseph Myers <joseph@codesourcery.com>
1782 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1783 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1784 * config/arm/arm-tune.md: Regenerate.
1785 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1788 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1790 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1791 version number to five.
1793 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1796 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1797 * c-common.c (set_underlying_type): Likewise.
1798 (is_typedef_decl ): Likewise
1800 (set_underlying_type): Likewise.
1801 (is_typedef_type): Likewise.
1803 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1806 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1809 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1812 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1813 (LIBGCC_SPEC): Don't define.
1814 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1816 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1818 PR rtl-optimization/38879
1819 * alias.c (base_alias_check): Unaligned access via AND address can
1820 alias all surrounding object types except those with sizes equal
1821 or wider than the size of unaligned access.
1823 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1826 * c-decl.c: (clone_underlying_type): Move this ...
1827 * c-common.c (set_underlying_type): ... here.
1828 Also, make sure the function properly sets TYPE_STUB_DECL() on
1829 the newly created typedef variant type.
1830 (is_typedef_decl ): New entry point.
1831 * tree.h: Added a new member member_types_needing_access_check to
1832 struct tree_decl_non_common.
1833 (set_underlying_type): New entry point.
1834 (is_typedef_type): Likewise.
1836 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1838 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1839 Check whether two instructions have memory references that
1840 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1841 are helper functions for traversing.
1842 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1843 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1844 not to draw dependency edge for instructions with non-conflicting
1847 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1850 * longlong.h: Update copyright years. Use soft-fp license notice.
1851 Sync __clz_tab declaration with glibc.
1853 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1856 * doc/extend.texi (syscall_linkage): New.
1857 (version_id): Modify.
1859 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1860 Richard Guenther <rguenther@suse.de>
1862 PR tree-optimization/38747
1863 PR tree-optimization/38748
1864 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1865 conversion if the base address is an indirect reference and the
1866 aliasing sets could cause issues.
1868 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1870 * common.opt (fgraphite, fgraphite-identity): Add comment for
1871 explaining why these options are not documented.
1873 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1875 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1876 gimple_call_lhs is NULL.
1878 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1881 * emit-rtl.c (adjust_address_1): Make sure memref is never
1884 2009-01-20 Ben Elliston <bje@au.ibm.com>
1886 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1887 const qualifier from arg parameter. Remove unnecessary cast to char *.
1888 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1889 const qualifier from arg 2.
1891 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1893 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1895 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1898 * rtl.h (reinit_regs): New prototype.
1899 * regclass.c: Include ira.h.
1901 * Makefile.in (regclass.o): Add ira.h.
1902 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1904 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1907 * c-common.c (handle_aligned_attribute): Use
1908 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1909 default alignment value.
1911 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1913 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1914 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1916 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1917 __BIGGEST_ALIGNMENT__.
1919 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1921 2009-01-18 Richard Guenther <rguenther@suse.de>
1923 PR tree-optimization/38819
1924 * tree-flow.h (operation_could_trap_helper_p): Declare.
1925 * tree-eh.c (operation_could_trap_helper_p): Export.
1926 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1927 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1928 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1929 are about to insert a possibly trapping instruction and fail
1932 2009-01-18 Andreas Schwab <schwab@suse.de>
1934 * doc/install.texi (Configuration): Remove obsolete paragraph
1935 about use of --with-gnu-ld with --with-gnu-as.
1937 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1939 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1940 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1941 Follow spelling conventions.
1943 2009-01-18 Ben Elliston <bje@au.ibm.com>
1945 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1946 C++ warning about implicit conversion from void * to struct
1948 (bitmap_obstack_free): Likewise for bitmap_element *.
1949 * Makefile.in (bitmap.o-warn): Remove.
1951 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1953 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1955 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1956 Tobias Grosser <tobi.grosser@amd.com>
1958 * graphite.c (graphite_trans_scop_block): Do not block single
1961 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1963 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1964 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1965 test with assertion.
1967 2009-01-16 Richard Guenther <rguenther@suse.de>
1969 PR tree-optimization/38835
1971 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1972 and INT + PTR -> (INT)(PTR p+ INT) folding.
1973 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1975 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1978 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1979 the subreg from a lowpart subreg if it is also casting the value.
1981 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1982 Tobias Grosser <tobi.grosser@amd.com>
1984 * graphite.c (compare_prefix_loops): New.
1985 (build_scop_canonical_schedules): Rewritten.
1986 (graphite_transform_loops): Move build_scop_canonical_schedules
1987 after build_scop_iteration_domain.
1989 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1990 Tobias Grosser <tobi.grosser@amd.com>
1992 * graphite.c (add_conditions_to_domain): Add the loops to
1993 the dimension of the iteration domain. Do copy the domain
1994 only when it exists.
1995 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1996 (add_conditions_to_constraints): New.
1997 (can_generate_code_stmt, can_generate_code): Removed.
1998 (gloog): Do not call can_generate_code.
1999 (graphite_transform_loops): Call add_conditions_to_constraints
2000 after building the iteration domain.
2002 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2004 PR tree-optimization/38789
2005 * tree-ssa-threadedge.c
2006 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2007 __builtin_constant_p.
2009 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2011 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2012 examined before deleting them.
2014 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2016 * function.c (aggregate_value_p): Correctly extract the function
2017 type from CALL_EXPR_FN lookup.
2019 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2021 * config/picochip/picochip.c (picochip_override_options): Revert
2022 CFI asm flag disable commited previously.
2024 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2025 Tobias Grosser <tobi.grosser@amd.com>
2026 Jan Sjodin <jan.sjodin@amd.com>
2028 * graphite.c (scan_tree_for_params): On substractions negate
2029 all the coefficients of the term.
2030 (clast_to_gcc_expression_red): New. Handle reduction expressions
2031 of more than two operands.
2032 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2033 (get_vdef_before_scop): Handle also the case of default definitions.
2035 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2037 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2038 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2039 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2041 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2042 Joey Ye <joey.ye@intel.com>
2045 * cfgexpand.c (expand_stack_alignment): Don't update stack
2046 boundary nor check incoming stack boundary here.
2047 (gimple_expand_cfg): Update stack boundary and check incoming
2048 stack boundary here.
2050 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2052 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2054 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2056 PR rtl-optimization/38245
2057 * calls.c (expand_call): Add stack arguments to
2058 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2059 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2060 in regs and partially in memory or BLKmode arguments.
2061 (emit_library_call_value_1): Add stack arguments to
2062 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2063 ACCUMULATE_OUTGOING_ARGS).
2064 * dce.c: Include tm_p.h.
2065 (find_call_stack_args): New function.
2066 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2068 (mark_insn): Call find_call_stack_args for CALL_Ps.
2069 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2070 forwards. Allocate and free arg_stores bitmap if needed, pass it
2071 down to deletable_insn_p, don't mark stores set in arg_stores
2072 bitmap, clear the bitmap at the beginning of each bb.
2073 * Makefile.in (dce.o): Depend on $(TM_P_H).
2075 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2078 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2079 to make sure the insn is a conditional test (bug 22599). Reformat a
2082 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2085 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2086 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2087 (gloog): Do not call cleanup_tree_cfg.
2088 (graphite_transform_loops): Call cleanup_tree_cfg after all
2089 scops have been code generated.
2091 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2092 * doc/gty.texi (Invoking the garbage collector): Added new node
2093 and section documenting ggc_collect.
2095 2009-01-14 Richard Guenther <rguenther@suse.de>
2097 PR tree-optimization/38826
2099 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2100 initialization notes only if we actually emitted a warning.
2101 (intra_create_variable_infos): Add constraints for a result decl
2102 that is passed by hidden reference.
2103 (build_pred_graph): Mark all related variables non-direct on
2106 2009-01-14 Nick Clifton <nickc@redhat.com>
2108 * ira-conflicts.c: Include addresses.h for the definition of
2110 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2111 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2113 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2116 * Makefile.in (ira-lives.o): Add except.h.
2118 * ira-lives.c: Include except.h.
2119 (process_bb_node_lives): Process can_throw_internal.
2121 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2123 PR rtl-optimization/38774
2124 * combine.c (simplify_set): When undoing cc_use change, don't do
2125 PUT_CODE on the newly created comparison, but instead put back the
2128 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2130 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2131 values. Remove duplicate arm8 entry.
2133 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2135 PR tree-optimization/38786
2136 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2137 the SSA_NAME case of expand_scalar_variables_expr.
2138 Set the type of an expression to the type of its assign statement.
2139 (expand_scalar_variables_expr): Also gather the scalar computation
2140 used to index the memory access. Do not pass loop_p.
2141 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2142 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2143 the gimple_stmt_iterator where it inserts new code.
2145 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2146 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2148 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2150 * graphite.h (debug_value): Removed.
2151 * graphite.c (debug_value): Removed.
2153 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2155 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2156 ldrd/strd with two 32-bit instructions.
2158 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2160 * config/arm/arm.c (struct processors): Pass for speed down into
2161 cost helper functions.
2162 (const_ok_for_op): Handle COMPARE and inequality nodes.
2163 (arm_rtx_costs_1): Rewrite.
2164 (arm_size_rtx_costs): Update prototype.
2165 (arm_rtx_costs): Pass speed down to helper functions.
2166 (arm_slowmul_rtx_costs): Rework cost calculations.
2167 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2168 (arm_9e_rtx_costs): Likewise.
2170 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2172 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2173 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2174 (alpha_legitimize_address): Do not split local symbols wider than
2175 UNITS_PER_WORD into HIGH/LO_SUM parts.
2177 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2180 * gcc.c (process_command): Replace call to execvp with calls
2181 to pex_one and exit.
2183 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2186 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2187 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2188 variant for devices with 3-byte PC.
2189 (__tablejump_elpm__) : New.
2191 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2194 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2195 offsetof member-designator, handle it as `[0].'.
2197 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2199 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2200 function when not using named sections on targets with named sections
2201 if branch distance is less than 262132.
2203 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2205 * combine.c (combine_instructions): Recompute
2206 optimize_this_for_speed_p for each BB in the main combine loop.
2208 2009-01-12 Tomas Bily <tbily@suse.cz>
2211 * tree-loop-distribution.c (prop_phis): New function.
2212 (generate_builtin): Call prop_phis.
2213 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2215 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2217 PR tree-optimization/38807
2218 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2219 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2221 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2223 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2224 subreg of op0 to the original op0.
2226 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2228 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2230 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2233 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2234 starting with digits.
2236 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2239 * config/arm/arm.c (arm_is_long_call_p): Don't call
2240 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2242 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2244 * regrename.c (regrename_optimize): Fix dumping.
2245 (find_oldest_value_reg): Preserve REG_POINTER.
2246 (copy_hardreg_forward_1): Likewise.
2248 2009-01-09 Diego Novillo <dnovillo@google.com>
2250 * gimple.h (struct gimple_statement_base) <uid>: Document
2251 the restrictions on its use.
2253 (gimple_set_uid): Tidy.
2255 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2257 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2258 zero guard even if align_bytes != 0 and count is smaller than
2261 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2263 PR rtl-optimization/38495
2264 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2265 (add_range_and_copies_from_move_list): Print all added ranges.
2266 Add ranges to memory optimized destination.
2268 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2272 * config/i386/i386.c (override_options): Reject
2273 -mstringop-strategy=rep_8byte with -m32.
2274 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2275 to 1. Do count comparison against epilogue_size_needed at compile
2276 time even when count_exp was constant forced into register. For
2277 size_needed don't jump to epilogue, instead just avoid aligning
2278 and invoke the body algorithm. If need_zero_guard, add zero guard
2279 even if count is non-zero, but smaller than size_needed + number of
2280 bytes that could be stored for alignment.
2281 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2282 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2283 but smaller than size_needed + number of bytes that could be stored
2284 for alignment. Compare size_needed with epilogue_size_needed instead
2285 of desired_align - align, don't adjust size_needed, pass
2286 epilogue_size_needed to the epilogue expanders.
2289 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2291 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2293 * pa.c (last_address): Change to unsigned.
2294 (update_total_code_bytes): Change argument to unsigned. Don't
2295 check if insn addresses are set.
2296 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2297 addresses are not set.
2298 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2300 2009-01-09 Nick Clifton <nickc@redhat.com>
2302 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2303 DECL_DECLARED_INLINE_P.
2305 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2308 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2309 GET_MODE (op0) in operand_subword_force calls.
2312 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2313 fold_convert arg0 operands to TREE_TYPE (op0) first.
2315 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2317 * params.def (ira-max-conflict-table-size): Decrease default value
2320 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2322 PR tree-optimization/37031
2323 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2325 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2326 allocate it using gc instead of heap, use VEC_quick_push instead of
2328 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2329 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2330 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2331 allocated vector from heap allocated.
2332 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2333 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2334 vector only after perfect_loop_nest_depth call.
2336 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2337 Jan Sjodin <jan.sjodin@amd.com>
2339 PR tree-optimization/38559
2340 * graphite.c (debug_value, copy_constraint,
2341 swap_constraint_variables, scale_constraint_variable, ): New.
2342 (get_lower_bound, get_upper_bound): Removed.
2343 (graphite_trans_bb_strip_mine): Clean up this code that works
2344 only for constant number of iterations. Fully copy upper and
2345 lower bound constraints, not only the constant part of them.
2346 * graphite.h (debug_value): Declared.
2348 2009-01-08 Ira Rosen <irar@il.ibm.com>
2350 PR tree-optimization/37194
2351 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2352 Don't add the cost of cost model guard in prologue to scalar
2353 outside cost in case of known number of iterations.
2355 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2356 Alan Modra <amodra@bigpond.net.au>
2358 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2359 non-word-aligned REG+CONST addressing.
2361 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2364 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2365 free_after_compilation when outputting a thunk.
2366 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2367 Do not call free_after_compilation here.
2369 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2371 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2372 (ix86_valid_target_attribute_inner_p): Ditto.
2374 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2376 PR tree-optimization/38492
2377 PR tree-optimization/38498
2378 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2379 * tree-chrec.h (scev_is_linear_expression): Declared.
2380 * graphite.c (graphite_cannot_represent_loop_niter): New.
2381 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2382 (graphite_loop_normal_form): Use gcc_assert.
2383 (scan_tree_for_params): Use CASE_CONVERT.
2384 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2385 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2386 Use gcc_assert. Discard scops that contain unhandled cases.
2387 (build_scop_conditions): Return a boolean status for unhandled cases.
2388 (strip_mine_profitable_p): Print the loop number, not its depth.
2389 (is_interchange_valid): Pass the depth of the loop nest, don't
2390 recompute it wrongly.
2391 (graphite_trans_bb_block): Same.
2392 (graphite_trans_bb_block): Print tentative of loop blocking.
2393 (graphite_trans_scop_block): Do not print that the loop has been
2395 (graphite_transform_loops): Do not handle scops that contain condition
2398 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2400 AVX Programming Reference (December, 2008)
2401 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2402 (_mm256_stream_pd): Likewise.
2403 (_mm256_stream_ps): Likewise.
2405 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2406 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2407 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2408 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2409 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2410 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2411 (ix86_expand_special_args_builtin): Likewise.
2413 * config/i386/sse.md (AVXMODEDI): New.
2414 (avx_movnt<mode>): Likewise.
2415 (avx_movnt<mode>): Likewise.
2416 (<sse>_movnt<mode>): Remove AVX support.
2417 (sse2_movntv2di): Likewise.
2419 2009-01-07 Richard Guenther <rguenther@suse.de>
2422 * fold-const.c (extract_muldiv): Remove obsolete comment.
2423 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2424 to PLUS_EXPR canonicalization for the canonicalization.
2426 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2428 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2429 hosted cross-compilers generating less efficient code.
2431 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2433 * function.h (rtl_data): Add a dbr_scheduled_p field.
2434 * reorg.c (dbr_schedule): Set it.
2435 (gate_handle_delay_slots): Check it.
2436 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2437 (mips_reorg): Check flag_delayed_branch instead of
2438 mips_base_delayed_branch.
2439 (mips_override_options): Don't set mips_base_delayed_branch
2440 or flag_delayed_branch.
2442 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2444 PR rtl-optimization/38426.
2445 * ira.c (ira): Set current_function_is_leaf earlier.
2447 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2449 PR rtl-optimization/38722
2450 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2451 too early, only set a flag and modify after last possible
2454 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2457 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2458 * real.c (decimal_single_format): Correct values of emin and emax.
2459 (decimal_double_format): Ditto.
2460 (decimal_quad_format): Ditto.
2461 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2462 computation of DECnn_MIN and DECnn_MAX for corrected values of
2463 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2464 __DECnn_MIN__, and adjust its computation for the corrected value
2467 2009-01-06 Jan Hubicka <jh@suse.cz>
2470 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2472 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2474 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2475 Add Robert Clark to the list of testers.
2477 2009-01-06 Jan Hubicka <jh@suse.cz>
2478 Kai Tietz <kai.tietz@onevision.com>
2480 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2481 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2483 2009-01-06 Jan Hubicka <jh@suse.cz>
2484 Kai Tietz <kai.tietz@onevision.com>
2486 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2488 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2489 (ix86_nsaved_regs): Count only general purpose regs.
2490 (ix86_nsaved_sseregs): New.
2491 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2492 to 16 for w64; compute padding and size of sse reg save area.
2493 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2494 general purpose regs.
2495 (ix86_emit_save_sse_regs_using_mov): New.
2496 (ix86_expand_prologue): Save SSE regs if needed.
2497 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2498 (ix86_emit_restore_sse_regs_using_mov): New.
2499 (ix86_expand_epilogue): Save SSE regs if needed.
2501 2009-01-06 Jan Hubicka <jh@suse.cz>
2502 Kai Tietz <kai.tietz@onevision.com>
2504 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2505 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2506 functions when accumulate outgoing args is off.
2508 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2511 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2512 before using pseudos_have_intersected_live_ranges_p.
2514 * ira-int.h (ira_assert): Always define.
2516 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2518 AVX Programming Reference (December, 2008)
2519 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2520 (_mm256_permute2_pd): Likewise.
2521 (_mm_permute2_ps): Likewise.
2522 (_mm256_permute2_ps): Likewise.
2523 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2524 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2526 * config/i386/i386.c (ix86_builtins): Remove
2527 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2528 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2529 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2530 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2531 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2532 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2533 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2534 __builtin_ia32_vpermil2ps256.
2535 (ix86_init_mmx_sse_builtins): Updated.
2536 (ix86_expand_args_builtin): Likewise.
2538 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2540 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2541 long absolute calls when generating PA 2.0 code.
2543 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2545 PR rtl-optimization/38583
2546 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2548 * params.def (ira-max-conflict-table-size): New.
2550 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2552 * ira.h (ira_conflicts_p): New external definition.
2554 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2555 table. Report this. Return result of building.
2556 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2557 building conflict table.
2559 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2560 (ira_color): Use ira_conflicts_p.
2562 * global.c: Include ira.h.
2563 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2566 * Makefile.in (global.o): Add ira.h.
2568 * ira-build.c (mark_all_loops_for_removal,
2569 propagate_some_info_from_allocno): New.
2570 (remove_unnecessary_allocnos): Call
2571 propagate_some_info_from_allocno.
2572 (remove_low_level_allocnos): New.
2573 (remove_unnecessary_regions): Add parameter. Call
2574 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2575 parameter to remove_unnecessary_regions.
2576 (ira_build): Remove all regions but root if the conflict table was
2577 not built. Update conflict hard regs for allocnos crossing calls.
2579 * ira.c (ira_conflicts_p): New global.
2580 (ira): Define and use ira_conflicts_p.
2582 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2583 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2584 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2586 2009-01-06 Ben Elliston <bje@au.ibm.com>
2588 * gengtype-lex.l (YY_NO_INPUT): Define.
2590 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2593 * c-common.c (handle_vector_size_attribute): Also reject
2596 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2598 PR tree-optimization/38492
2599 * graphite.c (rename_map_elt, debug_rename_elt,
2600 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2601 rename_map_elt_info, eq_rename_map_elts,
2602 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2603 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2604 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2605 (sese_build_livein_liveouts): New.
2606 (new_sese, free_sese): New.
2607 (new_scop): Call new_sese.
2608 (free_scop): Call free_sese.
2609 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2610 (register_old_new_names): Renamed register_old_and_new_names.
2611 (register_scop_liveout_renames, add_loop_exit_phis,
2612 insert_loop_close_phis, struct igp,
2613 default_liveout_before_guard, add_guard_exit_phis,
2614 insert_guard_phis, copy_renames): New.
2615 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2616 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2617 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2618 (scop_adjust_phis_for_liveouts): New.
2619 (gloog): Call scop_adjust_phis_for_liveouts.
2621 * graphite.h (struct sese): Documented. Added fields liveout,
2623 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2624 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2625 (struct scop): Added field liveout_renames.
2626 (SCOP_LIVEOUT_RENAMES): New.
2628 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2630 PR tree-optimization/38510
2631 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2632 (translate_clast): Call recompute_all_dominators before
2634 (gloog): Call recompute_all_dominators before graphite_verify.
2636 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2637 Jan Sjodin <jan.sjodin@amd.com>
2639 PR tree-optimization/38500
2640 * graphite.c (create_sese_edges): Call fix_loop_structure after
2643 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2645 * config.gcc: Add m32r*-*-rtems*.
2646 * config/m32r/rtems.h: New file.
2648 2009-01-05 Ben Elliston <bje@au.ibm.com>
2650 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2651 (.po.pox): Likewise.
2652 (po/gcc.pot): Likewise.
2654 2009-01-04 David S. Miller <davem@davemloft.net>
2656 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2657 (STARTING_FRAME_OFFSET): Always set to zero.
2659 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2661 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2662 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2663 fixed-point types, and vectors of the same.
2665 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2667 * config/mips/sync.md (*mb_barrier): Rename to...
2668 (*memory_barrier): ...this.
2670 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2672 * doc/extend.texi (Function Attributes): Move @cindex after @item
2673 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2674 and put in alphabetical order. Fix 'target' name and put in order.
2675 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2678 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2680 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2681 (memory_barrier): Expand as unspec instead of unspec_volatile.
2682 Remove mem:BLK from insn operands. Use Pmode scratch register.
2683 (*memory_barrier): Define as unspec instead of unspec_volatile.
2684 Use (match_dup 0) as input operand.
2686 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2687 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2688 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2689 scratch register. Remove operand 1.
2690 (*stbar): Define as unspec instead of unspec_volatile.
2691 Use (match_dup 0) as input operand, remove (const_int 8).
2692 (*membar): Define as unspec instead of unspec_volatile.
2693 Use (match_dup 0) as input operand, remove input operand 2.
2695 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2696 (memory_barrier): Expand as unspec instead of unspec_volatile.
2697 Remove mem:BLK from insn operands. Use Pmode scratch register.
2698 (*memory_barrier): Define as unspec instead of unspec_volatile.
2699 Use (match_dup 0) as input operand.
2701 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2702 Remove mem:BLK from insn operands. Use Pmode scratch register.
2703 Set volatile flag on operand 0.
2704 (*memory_barrier): New insn pattern.
2706 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2708 (*memory_barrier): Use (match_dup 0) as input operand.
2710 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2711 Remove mem:BLK from insn operands. Use Pmode scratch register.
2712 Set volatile flag on operand 0.
2713 (*mb_internal): New insn pattern.
2715 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2717 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2720 * function.c (struct temp_slot): Move to the section of the file
2721 that deals with temp slots. Remove field 'address'.
2722 (temp_slot_address_table): New hash table of address -> temp slot.
2723 (struct temp_slot_address_entry): New struct, items for the table.
2724 (temp_slot_address_compute_hash, temp_slot_address_hash,
2725 temp_slot_address_eq, insert_temp_slot_address): Support functions
2727 (find_temp_slot_from_address): Rewrite to use the new hash table.
2728 (remove_unused_temp_slot_addresses): Remove addresses of temp
2729 slots that have been made available.
2730 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2731 worker function for remove_unused_temp_slot_addresses.
2732 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2733 Add the temp slot address to the address -> temp slot map.
2734 (update_temp_slot_address): Update via insert_temp_slot_address.
2735 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2736 (pop_temp_slots): Likewise.
2737 (init_temp_slots): Allocate the address -> temp slot map, or empty
2738 the map if it is already allocated.
2739 (prepare_function_start): Initialize temp slot processing.
2741 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2744 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2745 Calculate the size of all stack vars assuming no packing of stack
2746 vars will happen, replacing a quadratic algorithm with a linear one.
2748 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2751 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2754 2009-01-03 Diego Novillo <dnovillo@google.com>
2756 * doc/contrib.texi: Update contributions.
2758 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2761 * builtins.c (fold_builtin_memory_op): Give up if either operand
2762 is volatile. Set srctype or desttype to non-qualified version
2766 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2769 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2771 PR rtl-optimization/35805
2772 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2773 problem if fast dce is able to remove any instructions.
2774 * dce.c (dce_process_block): Fix dump message.
2776 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2779 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2781 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2784 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2785 * tree-pretty-print.c (op_code_prio): New function.
2786 (op_prio): No longer static. Use op_code_prio.
2787 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2788 Use op_prio and op_code_prio to determine if () should be
2789 printed around operand(s) or not.
2791 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2792 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2793 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2794 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2795 pp_character instead of pp_string for single letter printing.
2797 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2799 * doc/extend.texi: Fix '#pragma GCC option' typo.
2801 2009-01-02 Richard Guenther <rguenther@suse.de>
2803 * doc/install.texi (--enable-checking): Mention different
2805 (--enable-stage1-checking): Document.
2807 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2810 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2811 case to be an error.
2813 2009-01-02 Ben Elliston <bje@au.ibm.com>
2815 * config/fp-bit.h (pack_d): Constify argument.
2816 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2817 (isnan): Constify argument.
2821 (_fpadd_parts): Constify return type.
2822 (_fpmul_parts): Likewise.
2823 (_fpdiv_parts): Likewise.
2825 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2828 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2829 warn about overwriting initializer with side-effects or
2830 -Woverride-init if !IMPLICIT.
2831 (output_init_element): Likewise. Pass IMPLICIT down to
2833 (process_init_element): Add IMPLICIT argument. Pass it down
2834 to output_init_element.
2835 (push_init_element, pop_init_level, set_designator): Adjust
2836 process_init_element callers.
2837 (set_nonincremental_init, set_nonincremental_init_from_string):
2838 Adjust add_pending_init callers.
2839 (output_pending_init_elements): Adjust output_init_element callers.
2840 * c-tree.h (process_init_element): Adjust prototype.
2841 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2842 process_init_element callers.
OSDN Git Service
