1 2009-03-07 Jan Hubicka <jh@suse.cz>
4 * tree-inline.c (setup_one_parameter): Do replacement of const argument
5 by constant in SSA form.
7 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
10 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
11 determine alignment passed to assign_stack_local.
12 (assign_parms_unsplit_complex): Likewise.
13 * except.c (sjlj_build_landing_pads): Likewise.
15 2009-03-06 Jakub Jelinek <jakub@redhat.com>
18 * tree-flow.h (add_referenced_var): Return bool instead of void.
19 * tree-dfa.c (add_referenced_var): Return result of
20 referenced_var_check_and_insert call.
21 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
22 of referenced_var_check_and_insert.
25 * dwarf2out.c (add_abstract_origin_attribute): Return
27 (gen_variable_die): Emit DW_AT_location on abstract static variable's
28 DIE, don't emit it if abstract origin already has it.
29 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
30 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
32 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
34 * genpreds.c: (needs_variable): Fix parentheses at variable name
36 (write_tm_constrs_h): Indent generated code.
38 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
40 * doc/extend.texi (Function Attributes): Add documentation
43 2009-03-06 Jakub Jelinek <jakub@redhat.com>
46 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
47 take locus from its DECL_SOURCE_LOCATION instead of input_location.
49 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
51 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
54 2009-03-05 Jakub Jelinek <jakub@redhat.com>
57 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
58 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
60 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
62 * config/i386/i386.md (R8_REG, R9_REG): New constants.
63 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
64 constants instead of magic numbers.
65 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
67 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
68 (x86_64_ms_abi_int_parameter_registers): Ditto.
69 (x86_64_int_return_registers): Ditto.
70 (ix86_maybe_switch_abi): Ditto.
71 (ix86_expand_call): Ditto for clobbered_registers array.
72 (ix86_hard_regno_mode_ok): Ditto.
73 (x86_extended_QIreg_mentioned_p): Ditto.
75 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
77 PR tree-optimization/39349
78 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
80 * combine.c (gen_lowpart_for_combine): Use omode when generating
83 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
85 PR rtl-optimization/39235
86 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
88 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
90 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
92 2009-03-04 Richard Guenther <rguenther@suse.de>
94 PR tree-optimization/39362
95 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
96 that occur in abnormal PHIs should be varying.
98 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
100 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
102 (simple_iv): Take loop as an argument instead of statement.
103 * tree-scalar-evolution.h (simple_iv): Declaration changed.
104 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
106 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
108 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
109 * matrix-reorg.c (analyze_transpose): Ditto.
110 * tree-data-ref.c (dr_analyze_innermost): Ditto.
111 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
112 * tree-predcom.c (ref_at_iteration): Ditto.
113 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
115 2009-03-04 Richard Guenther <rguenther@suse.de>
117 PR tree-optimization/39358
118 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
119 escaped_id and callused_id.
120 (solve_graph): Likewise.
122 2009-03-04 Richard Guenther <rguenther@suse.de>
124 PR tree-optimization/39339
125 * tree-sra.c (try_instantiate_multiple_fields): Make it
126 no longer ICE on the above.
128 2009-03-03 Joseph Myers <joseph@codesourcery.com>
130 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
131 that fits within Pmode.
133 2009-03-03 Steve Ellcey <sje@cup.hp.com>
136 * tm.texi (LIBCALL_VALUE): Update description.
138 2009-03-03 Steve Ellcey <sje@cup.hp.com>
141 * doc/extend.texi (section): Update description.
143 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
146 * tree-inline.c (remapped_type): New.
147 (can_be_nonlocal): Call remapped_type instead of remap_type.
149 2009-03-03 Jakub Jelinek <jakub@redhat.com>
152 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
153 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
155 2009-03-03 Richard Guenther <rguenther@suse.de>
158 * tree.c (tree_nonartificial_location): New function.
159 * tree.h (tree_nonartificial_location): Declare.
160 * builtins.c (expand_builtin_memory_chk): Provide location
161 of the call location for artificial function pieces.
162 (maybe_emit_chk_warning): Likewise.
163 (maybe_emit_sprintf_chk_warning): Likewise.
164 (maybe_emit_free_warning): Likewise.
165 * expr.c (expand_expr_real_1): Likewise.
167 2009-03-03 Jakub Jelinek <jakub@redhat.com>
169 PR tree-optimization/39343
170 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
171 COMPONENT_REF t has ARRAY_TYPE.
173 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
176 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
177 when the type precision of the induction variable should be
178 larger than the type precision of nit.
179 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
180 * graphite.c (graphite_loop_normal_form): Same.
181 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
183 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
185 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
186 (*call_1_rex64_ms_sysv): Use named constants instead of magic
187 numbers to describe clobbered registers.
188 (*call_value_0_rex64_ms_sysv): Ditto.
189 * config/i386/mmx.md (mmx_emms): Ditto.
192 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
194 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
197 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
199 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
200 (spu_section_type_flags): New function.
202 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
204 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
205 reg_class_contents of FLOAT_REGS into a temporary.
207 2009-03-02 Richard Guenther <rguenther@suse.de>
208 Ira Rosen <irar@il.ibm.com>
210 PR tree-optimization/39318
211 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
212 information to the vectorized statement.
214 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
216 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
217 variable. Use defined names instead of magic constants for REX SSE
220 2009-03-01 Richard Guenther <rguenther@suse.de>
222 PR tree-optimization/39331
223 * omp-low.c (lower_send_shared_vars): Do not receive new
224 values for the reference of DECL_BY_REFERENCE parms or results.
226 2009-03-01 Jan Hubicka <jh@suse.cz>
229 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
230 BLOCK_NONLOCALIZED_VAR): New macros.
231 (tree_block): Add nonlocalized_vars.
232 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
233 gen_decl_die): Add origin argument. Allow generation of die with
235 (gen_member_die, gen_type_die_with_usage, force_decl_die,
236 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
238 (gen_block_die): Fix checking for unused blocks.
239 (process_scope_var): Break out from .... ; work with origins only.
240 (decls_for_scope) ... here; process nonlocalized list.
241 (dwarf2out_ignore_block): Look for nonlocalized vars.
242 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
244 (dump_scope_block): Dump them.
245 * tree-inline.c (remap_decls): Handle nonlocalized vars.
246 (remap_block): Likewise.
247 (can_be_nonlocal): New predicate.
248 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
250 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
252 * configure: Regenerate.
254 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
256 * optc-gen.awk: No need to duplicate option flags twice.
257 Reuse help texts for duplicate options which do not have
260 * gcc.c (display_help): Document --version.
262 * gcc.c (main): If print_help_list and verbose_flag, ensure
263 driver output comes before subprocess output.
265 * optc-gen.awk: Assign all remaining fields to help string,
266 space-separated, for multi-line help in *.opt.
268 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
269 -Wno-pedantic-ms-format is for MinGW targets only.
271 * doc/options.texi (Option file format): Fix bad indentation,
272 restoring dropped sentence.
274 2009-02-28 Jan Hubicka <jh@suse.cz>
276 * tree-inline.c (tree_function_versioning): Output debug info.
278 2009-02-28 Jan Hubicka <jh@suse.cz>
281 * tree-inline.c (setup_one_parameter): Do not copy propagate
282 arguments when not optimizing.
284 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
287 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
288 (avx_addsubv4df3): Likewise.
289 (*avx_addsubv4sf3): Likewise.
290 (sse3_addsubv4sf3): Likewise.
291 (*avx_addsubv2df3): Likewise.
292 (sse3_addsubv2df3): Likewise.
293 (avx_unpckhps256): Correct item selectors.
294 (avx_unpcklps256): Likewise.
295 (avx_unpckhpd256): Likewise.
296 (avx_unpcklpd256): Likewise.
298 2009-02-28 Jan Hubicka <jh@suse.cz>
300 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
302 (copy_arguments_for_versioning): If var is declared don't declare it.
303 (tree_function_versioning): First setup substitutions and then copy
306 2009-02-27 Jan Hubicka <jh@suse.cz>
309 * cgraph.h (varpool_output_debug_info): Remove.
310 * cgraphunit.c (varpool_output_debug_info): Remove.
311 * dwarf2out.c (deferred_locations_struct): New struct
312 (deferred_locations): New type.
313 (deferred_locations_list): New static var.
314 (deffer_location): New function.
315 (gen_variable_die): Use it.
316 (decls_for_scope): Output info on local static vars.
317 (dwarf2out_finish): Process deferred locations.
318 * varpool.c (varpool_output_debug_info): Remove.
320 2009-02-27 Jan Hubicka <jh@suse.cz>
323 * tree.h (TREE_PROTECTED): Fix comment.
324 (BLOCK_HANDLER_BLOCK): Remove.
325 (struct tree_block): Remove handler_block add body_block.
326 (inlined_function_outer_scope_p): New.
327 (is_body_block): Remove.
328 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
329 * dwarf2out.c (is_inlined_entry_point): Remove.
330 (add_high_low_attributes): Use inlined_function_outer_scope_p.
331 (gen_block_die): Use is_inlined_entry_point check. Remove body block
333 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
334 * gimplify.c (gimplify_expr): Gimplify body blocks.
335 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
336 block with multiple subblocks.
337 (dump_scope_block): Prettier output; dump more flags and info.
338 (dump_scope_blocks): New.
339 (remove_unused_locals): Use dump_scope_blocks.
340 * tree-flow.h (dump_scope_blocks): Declare.
341 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
342 * stmt.c (is_body_block): Remove.
343 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
344 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
346 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
349 * graphite.c (graphite_loop_normal_form): Do not call
350 number_of_iterations_exit from a gcc_assert.
352 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
354 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
355 jumps if COND is NULL.
356 (find_cond_jump): New function.
357 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
358 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
360 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
362 * config/alpha/alpha.h (alpha_expand_mov): Return false if
363 force_const_mem returns NULL_RTX.
365 2009-02-26 Jan Hubicka <jh@suse.cz>
368 * cgraph.h (varpool_output_debug_info): Remove.
369 * cgraphunit.c (varpool_output_debug_info): Remove.
370 * dwarf2out.c (deferred_locations_struct): New struct
371 (deferred_locations): New type.
372 (deferred_locations_list): New static var.
373 (deffer_location): New function.
374 (gen_variable_die): Use it.
375 (decls_for_scope): Output info on local static vars.
376 (dwarf2out_finish): Process deferred locations.
377 * varpool.c (varpool_output_debug_info): Remove.
379 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
381 PR rtl-optimization/39241
382 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
383 to subreg_offset_representable_p.
385 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
387 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
388 execute function prototype. Get f and nregs from max_reg_num
389 and get_insns. Remove the first backward pass as it's dead,
390 guard the forward pass by flag_expensive_optimizations.
391 (rest_of_handle_regmove): Delete.
392 (pass_regmove): Replace it with regmove_optimize.
394 2009-02-25 Martin Jambor <mjambor@suse.cz>
396 PR tree-optimization/39259
397 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
398 calls_alloca function flags.
399 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
402 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
404 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
405 flags_set_1_rtx, flags_set_1_set): Delete.
406 (regmove_optimize): Do not call mark_flags_life_zones.
408 2009-02-24 Julian Brown <julian@codesourcery.com>
411 * config/arm/arm.c (require_pic_register): Only set
412 cfun->machine->pic_reg once per function.
414 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
416 * doc/invoke.texi (Link Options): Document an easier way to pass
417 options that take arguments to the GNU linker using -Xlinker and -Wl.
419 2009-02-24 Steve Ellcey <sje@cup.hp.com>
422 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
424 2009-02-24 Richard Guenther <rguenther@suse.de>
427 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
429 2009-02-24 Richard Guenther <rguenther@suse.de>
430 Zdenek Dvorak <ook@ucw.cz>
432 PR tree-optimization/39233
433 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
434 from converting them to a generic type.
436 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
438 PR tree-optimization/39260
439 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
440 contains a condition with a real type.
441 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
443 2009-02-23 Jason Merrill <jason@redhat.com>
446 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
447 narrowing_initializer_constant_valid_p.
448 (narrowing_initializer_constant_valid_p): Don't return
449 null_pointer_node for adding a pointer to itself.
451 2009-02-23 Jan Hubicka <jh@suse.cz>
454 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
457 2009-02-23 Jan Hubicka <jh@suse.cz>
459 PR tree-optimization/37709
460 * tree.c (block_ultimate_origin): Move here from dwarf2out.
461 * tree.h (block_ultimate_origin): Declare.
462 * dwarf2out.c (block_ultimate_origin): Move to tree.c
463 * tree-ssa-live.c (remove_unused_scope_block_p):
464 Eliminate blocks containig no instructions nor live variables nor
466 (dump_scope_block): New function.
467 (remove_unused_locals): Enable removal of dead blocks by default;
468 enable dumping at TDF_DETAILS.
470 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
472 * config/i386/i386.c (classify_argument): Don't allow COImode
474 (function_arg_advance_32): Don't allow OImode.
475 (function_arg_32): Likewise.
476 (function_value_32): Likewise.
477 (return_in_memory_32): Likewise.
478 (function_arg_64): Remove OImode comment.
480 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
483 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
484 ix86_expand_vector_set for V4DImode in 64bit mode only.
485 (ix86_expand_vector_init_one_var): Likewise.
487 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
489 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
491 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
494 * loop-iv.c: Revert last change.
495 * emit-rtl.c: Likewise.
497 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
500 * config/i386/i386.c (type_natural_mode): Remove an extra
501 space in the warning message.
502 (function_value_32): Handle 32-byte vector modes.
503 (return_in_memory_32): Likewise.
505 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
507 * loop-iv.c (truncate_value): New function.
508 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
510 (lowpart_subreg): Move to...
511 * emit-rtl.c: ...here.
513 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
515 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
516 accidental and undocumented change at revision 140860.
518 2009-02-21 Joseph Myers <joseph@codesourcery.com>
520 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
521 take gimple_seq * arguments.
522 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
523 types_compatible_p langhook.
525 2009-02-20 Mark Mitchell <mark@codesourcery.com>
526 Joseph Myers <joseph@codesourcery.com>
528 * config/arm/arm.c (arm_builtin_va_list): New function.
529 (arm_expand_builtin_va_start): Likewise.
530 (arm_gimplify_va_arg_expr): Likewise.
531 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
532 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
533 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
534 (va_list_type): New variable.
535 (arm_mangle_type): Mangle va_list_type appropriately.
537 2009-02-20 Jakub Jelinek <jakub@redhat.com>
540 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
541 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
542 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
543 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
544 parameter to 1000 for -O1 by default.
545 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
547 * loop-invariant.c: Include params.h.
548 (move_loop_invariants): Don't call move_single_loop_invariants on
551 2009-02-20 Jaka Mocnik <jaka@xlab.si>
553 * calls.c (emit_library_call_value_1): Use slot_offset instead of
554 offset when calculating bounds for indexing stack_usage_map. Fixes
555 a buffer overflow with certain target setups.
557 2009-02-20 Jakub Jelinek <jakub@redhat.com>
560 * calls.c (expand_call): Clear try_tail_call if caller and callee
561 disagree in promotion of function return value.
563 2009-02-19 Jakub Jelinek <jakub@redhat.com>
566 * c-common.c (c_determine_visibility): If visibility changed and
567 DECL_RTL has been already set, call make_decl_rtl to update symbol
570 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
573 * varasm.c (assemble_variable): Don't check DECL_NAME when
574 globalizing a variable.
576 2009-02-19 Joseph Myers <joseph@codesourcery.com>
579 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
580 expression before any __builtin_trap call.
581 * c-typeck.c (build_function_call): Convert and check function
582 arguments before generating a call to a trap. Evaluate the
583 function arguments before the trap.
585 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
588 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
589 (UNSPEC_FXAM_MEM): New unspec.
590 (fxam<mode>2_i387_with_temp): New insn and split pattern.
591 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
592 memory using fxam<mode>2_i387_with_temp to remove excess precision.
594 2009-02-19 Richard Guenther <rguenther@suse.de>
596 PR tree-optimization/39207
597 PR tree-optimization/39074
598 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
599 storedanything_tree): New.
600 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
601 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
602 (build_succ_graph): Add edges from STOREDANYTHING to all
604 (init_base_vars): Initialize STOREDANYTHING.
605 (compute_points_to_sets): Free substitution info after
606 building the succ graph.
607 (ipa_pta_execute): Likewise.
609 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
611 (do_ds_constraint): Do not add to special var or non-pointer
613 (type_could_have_pointers): Split out from ...
614 (could_have_pointers): ... here. For arrays use the element type.
615 (create_variable_info_for): Initialize may_have_pointers.
616 (new_var_info): Likewise.
617 (handle_lhs_call): Make the HEAP variable unknown-sized.
618 (intra_create_variable_infos): Use a type with pointers for
619 PARM_NOALIAS, make it unknown-sized.
621 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
624 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
626 2009-02-18 Jason Merrill <jason@redhat.com>
629 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
630 value if DECL_EXTERNAL.
631 * tree-sra.c (sra_walk_gimple_assign): Likewise.
632 * target.h (gcc_target::binds_local_p): Clarify "module".
633 * tree.h (TREE_PUBLIC): Clarify "module".
635 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
638 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
639 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
641 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
644 * c.opt (Wabi): Support C and ObjC.
647 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
649 * config/i386/i386.c (classify_argument): Warn once about the ABI
650 change when passing union with long double.
652 * doc/invoke.texi: Update -Wabi for warning psABI changes.
654 2009-02-18 Joseph Myers <joseph@codesourcery.com>
657 * c-parser.c (c_parser_compound_statement): Always enter and leave
660 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
663 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
665 2009-02-18 Jakub Jelinek <jakub@redhat.com>
667 PR tree-optimization/36922
668 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
669 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
672 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
674 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
677 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
679 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
681 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
683 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
686 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
687 Richard Sandiford <rdsandiford@googlemail.com>
689 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
690 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
691 (loongson_biadd): ...this.
693 2009-02-17 Richard Guenther <rguenther@suse.de>
695 PR tree-optimization/39202
696 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
697 a var make sure to follow existing collapses.
699 2009-02-17 Richard Guenther <rguenther@suse.de>
702 * langhooks.c (lhd_print_error_function): Check for NULL block.
704 2009-02-17 Richard Guenther <rguenther@suse.de>
706 PR tree-optimization/39204
707 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
710 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
712 * config/soft-fp/double.h: Update from glibc CVS.
714 2009-02-17 Richard Guenther <rguenther@suse.de>
716 PR tree-optimization/39207
717 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
718 strict-aliasing warnings for pointers pointing to NULL.
720 2009-02-16 Joseph Myers <joseph@codesourcery.com>
723 * c-parser.c (c_parser_braced_init): Call pop_init_level when
724 skipping until next close brace.
726 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
729 * config/i386/i386.c (ix86_expand_push): Set memory alignment
730 to function argument boundary.
732 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
734 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
735 in the lea_add. Reload eventually constraints it properly.
736 * config/picochip/constraints.md : Remove the target constraint
737 "b", since it is not needed anymore.
739 2009-02-16 Jakub Jelinek <jakub@redhat.com>
741 * gthr-dce.h: Uglify function parameter and local variable names.
742 * gthr-gnat.h: Likewise.
743 * gthr-mipssde.h: Likewise.
744 * gthr-nks.h: Likewise.
745 * gthr-posix95.h: Likewise.
746 * gthr-posix.h: Likewise.
747 * gthr-rtems.h: Likewise.
748 * gthr-single.h: Likewise.
749 * gthr-solaris.h: Likewise.
750 * gthr-tpf.h: Likewise.
751 * gthr-vxworks.h: Likewise.
752 * gthr-win32.h: Likewise.
754 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
757 * config/i386/i386.md: Restrict the new peephole2 to move
758 between MMX/SSE registers.
760 2009-02-15 Richard Guenther <rguenther@suse.de>
763 2009-02-13 Richard Guenther <rguenther@suse.de>
765 * configure.ac: Enable LFS.
766 * configure: Re-generate.
767 * config.in: Likewise.
769 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
771 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
772 spu_srqwbyte, spu_srqwbytebc): Define.
773 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
774 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
775 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
776 "shrqby_<mode>"): New insn-and-split patterns.
777 * config/spu/spu.c (expand_builtin_args): Determine and return
778 number of operands using spu_builtin_description data.
779 (spu_expand_builtin_1): Use it.
781 2009-02-13 Steve Ellcey <sje@cup.hp.com>
784 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
787 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
790 * config/i386/i386.c (override_options): Correct warning
791 messages for -malign-loops, -malign-jumps and -malign-functions.
793 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
796 * config/i386/i386.md: Restrict the new peephole2 to move
797 between the general purpose registers.
799 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
802 * config/i386/i386.c (type_natural_mode): Add a new argument.
803 Return the original mode and warn ABI change if vector size is 32byte.
804 (function_arg_advance): Updated.
805 (function_arg): Likewise.
806 (ix86_function_value): Likewise.
807 (ix86_return_in_memory): Likewise.
808 (ix86_sol10_return_in_memory): Likewise.
809 (ix86_gimplify_va_arg): Likewise.
810 (function_arg_32): Don't warn ABX ABI change here.
811 (function_arg_64): Likewise.
813 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
815 * loop-iv.c (implies_p): In the final case, test that operands 0
816 of the two comparisons match.
818 * config/bfin/bfin.c (find_prev_insn_start): New function.
819 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
820 (find_next_insn_start): Move.
822 2009-02-13 Richard Guenther <rguenther@suse.de>
824 * configure.ac: Enable LFS.
825 * configure: Re-generate.
826 * config.in: Likewise.
828 2009-02-13 Joseph Myers <joseph@codesourcery.com>
831 * c-parser.c (c_parser_parms_list_declarator): Discard pending
832 sizes on syntax error after some arguments have been parsed.
834 2009-02-12 Jakub Jelinek <jakub@redhat.com>
836 * doc/invoke.texi (-fira): Remove.
838 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
840 * caller-save.c: Replace regclass.c with reginfo.c in comments.
844 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
846 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
847 (umul_ppmm): Likewise.
848 (count_leading_zeros): Likewise.
849 (count_trailing_zeros): Likewise.
850 (UMUL_TIME): Likewise.
852 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
854 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
855 soft-fp/t-softfp to tmake_file.
857 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
858 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
859 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
860 IA64_BUILTIN_INFQ]: New.
861 (ia64_init_builtins): Initialize __builtin_infq,
862 __builtin_fabsq and __builtin_copysignq if not HPUX.
863 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
864 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
866 * config/ia64/lib1funcs.asm (__divtf3): Define only if
868 (__fixtfti): Likewise.
869 (__fixunstfti): Likewise.
870 (__floattitf): Likewise.
872 * config/ia64/libgcc-glibc.ver: New.
873 * config/ia64/t-fprules-softfp: Likewise.
874 * config/ia64/sfp-machine.h: Likewise.
876 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
877 (LIBGCC2_TF_CEXT): Likewise.
879 (TARGET_INIT_LIBFUNCS): Likewise.
881 * config/ia64/t-glibc (SHLINB_MAPFILES):
882 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
884 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
886 * config/i386/i386.c (construct_container): Rewrite processing
887 BLKmode with X86_64_SSE_CLASS.
889 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
892 * config/i386/i386.md: Replace simplify_replace_rtx with
893 replace_rtx in the new peephole2.
895 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
897 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
898 loop unrolling do not happen at -O2.
900 2009-02-12 Michael Matz <matz@suse.de>
902 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
904 2009-02-12 Jakub Jelinek <jakub@redhat.com>
906 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
909 2009-02-12 Ben Elliston <bje@au.ibm.com>
911 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
912 patterns when updating the back chain. Missed in the 2009-02-10
915 2009-02-11 Janis Johnson <janis187@us.ibm.com>
917 * doc/extend.texi (Decimal Floating Types): Update identifier of
918 draft TR and list of missing support.
920 2009-02-11 Jakub Jelinek <jakub@redhat.com>
923 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
924 bit to variable length decl's flags, add it also to its
925 pointer replacement variable.
927 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
928 Jakub Jelinek <jakub@redhat.com>
931 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
932 (memory_blockage): New expander.
933 (*memory_blockage): New insn pattern.
934 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
935 instead of general blockage at the end of function prologue when
936 frame pointer is used to access red zone area. Do not emit blockage
937 when profiling, it is emitted in generic code.
938 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
939 function epilogue when frame pointer is used to access red zone area.
941 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
944 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
945 by arithmetic with memory operands.
946 * config/i386/predicates.md (commutative_operator): New.
948 2009-02-10 Janis Johnson <janis187@us.ibm.com>
950 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
953 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
955 * alias.h (record_alias_subset): Declare.
956 * alias.c (record_alias_subset): Make global.
958 2009-02-10 Nick Clifton <nickc@redhat.com>
960 * tree-parloops.c: Change license to GPLv3.
961 * ipa-struct-reorg.c: Change license to GPLv3.
962 * ipa-struct-reorg.h: Change license to GPLv3.
964 2009-02-10 Steve Ellcey <sje@cup.hp.com>
967 * c-decl.c (start_struct): Return NULL on error.
969 2009-02-10 Jakub Jelinek <jakub@redhat.com>
972 * cfgloopmanip.c (remove_path): Call remove_bbs after
973 cancel_loop_tree, not before it.
976 * function.h (struct function): Add has_local_explicit_reg_vars bit.
977 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
979 * tree-ssa-live.c (remove_unused_locals): Recompute
980 cfun->has_local_explicit_reg_vars.
981 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
982 copies or clearings if cfun->has_local_explicit_reg_vars.
984 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
987 * config/i386/i386.c (expand_prologue): Emit blockage at the end
988 of function prologue when frame pointer is used to access
991 2009-02-10 Richard Guenther <rguenther@suse.de>
994 * gimplify.c (gimple_regimplify_operands): Always look if
995 we need to create a temporary.
997 2009-02-10 Richard Guenther <rguenther@suse.de>
999 PR tree-optimization/39132
1000 * tree-loop-distribution.c (todo): New global var.
1001 (generate_memset_zero): Trigger TODO_rebuild_alias.
1002 (tree_loop_distribution): Return todo.
1004 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1007 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1008 (x86_64_reg_class_name): Removed.
1009 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1010 first one isn't X86_64_SSE_CLASS or any other ones aren't
1011 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1012 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1013 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1014 and 3 X86_64_SSEUP_CLASS.
1015 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1016 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1018 2009-02-10 Ben Elliston <bje@au.ibm.com>
1020 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1021 form instruction to update the stack back chain word, even if the
1022 user has disabled the generation of update instructions.
1023 (movdi_<mode>_update_stack): New.
1024 (movsi_update_stack): Likewise.
1025 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1026 always use an update form instruction to update the stack back
1029 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1032 * graphite.c (if_region_set_false_region): After moving a region in
1033 the false branch of a condition, remove the empty dummy basic block.
1034 (gloog): Remove wrong fix for PR38953.
1036 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1038 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1039 generation due to implicit sign extension.
1041 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1044 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1045 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1047 2009-02-09 Richard Guenther <rguenther@suse.de>
1050 * convert.c (convert_to_real): Disable (float)fn((double)x)
1051 to fnf(x) conversion if errno differences may occur and
1052 -fmath-errno is set.
1054 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1056 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1057 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1058 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1060 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1063 * c-common.c (handle_alias_attribute): Disallow attribute for
1064 anything not a FUNCTION_DECL or VAR_DECL.
1066 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1069 * real.c (do_compare): Special-case compare of zero against
1070 decimal float value.
1072 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1075 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1076 as indicating flexible array members unless the field itself is
1077 being declarared as the incomplete array.
1079 2009-02-06 Jan Hubicka <jh@suse.cz>
1081 PR tree-optimization/38844
1082 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1085 2009-02-06 Richard Guenther <rguenther@suse.de>
1088 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1089 fork because we may expand it as __gcov_fork.
1091 2009-02-06 Nick Clifton <nickc@redhat.com>
1093 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1095 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1097 PR tree-optimization/35659
1098 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1099 vn_phi_eq): Shortcut if hashcode does not match.
1100 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1102 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1103 and avoid iterative_hash_expr.
1104 (FOR_EACH_VALUE_ID_IN_SET): New.
1105 (value_id_compare): Remove.
1106 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1107 sort expressions by value id.
1109 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1112 * config/sh/predicates.md (general_movsrc_operand): Don't check
1113 the subreg of system registers here.
1115 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1118 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1121 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1123 PR rtl-optimization/39110
1124 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1125 addresses, not aligned ones.
1127 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1128 Richard Guenther <rguenther@suse.de>
1130 PR tree-optimization/39100
1131 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1132 comment says and add edges.
1134 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1137 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1138 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1140 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1142 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1143 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1144 register_bb_in_sese, new_sese, free_sese): Moved.
1145 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1146 outermost_loop_in_scop, build_scop_iteration_domain,
1147 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1148 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1149 Use loop_in_sese_p instead of loop_in_scop_p.
1150 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1151 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1152 (scopdet_basic_block_info): Fix bug in scop detection.
1153 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1154 eq_loop_to_cloog_loop): Remove.
1155 (nb_loops_around_loop_in_scop, nb_loop
1156 ref_nb_loops): Moved here...
1157 * graphite.h (ref_nb_loops): ... from here.
1158 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1159 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1160 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1161 * testsuite/gcc.dg/graphite/scop-19.c: New
1163 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1164 Hans-Peter Nilsson <hp@axis.com>
1166 PR rtl-optimization/37889
1167 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1168 Move offset handling from PLUS to before the switch. Use new
1169 arguments when considering SYMBOL_REFs too.
1170 (rtx_addr_can_trap_p): Pass dummy offset and size.
1171 (enum may_trap_p_flags): Remove.
1172 (may_trap_p_1): Pass size from MEM_SIZE.
1174 PR rtl-optimization/38921
1175 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1176 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1177 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1178 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1180 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1182 AVX Programming Reference (January, 2009)
1183 * config/i386/sse.md (*vpclmulqdq): New.
1185 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1187 PR tree-optimization/38977
1188 PR gcov-profile/38292
1189 * calls.c (special_function_p): Disregard __builtin_ prefix.
1191 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1193 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1194 non-indexable addresses even before reload.
1196 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1199 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1200 as having variable size. Do not give an error for unnamed
1201 parameters with [*] declarators. Give a warning for type names
1202 with [*] declarators and mark them as variable size.
1203 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1204 for sizeof applied to [*] type names.
1206 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1209 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1211 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1213 * gcc.c (process_command): Update copyright notice dates.
1214 * gcov.c (print_version): Likewise.
1215 * gcov-dump.c (print_version): Likewise.
1216 * mips-tfile.c (main): Likewise.
1217 * mips-tdump.c (main): Likewise.
1219 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1222 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1223 for composite type involving a zero-length array type.
1225 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1228 * function.c (match_asm_constraints_1): Skip over
1229 initial optional % in the constraint.
1232 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1233 supported, don't accept FIXED_CSTs.
1234 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1235 and _Sat is used without _Fract/_Accum. Set specs->type to
1236 integer_type_node for cts_fract/cts_accum if fixed point is not
1239 2009-02-02 Catherine Moore <clm@codesourcery.com>
1241 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1243 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1245 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1246 (ABI_HAS_64BIT_SYMBOLS): Use it.
1247 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1249 2009-02-02 Paul Brook <paul@codesourcery.com>
1251 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1253 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1256 * recog.h (asm_operand_ok): Add constraints argument.
1257 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1258 recurse on matching constraint.
1259 (check_asm_operands): Pass constraints as 3rd argument to
1260 asm_operand_ok. Don't look up matching constraint here.
1261 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1264 2009-02-02 Ben Elliston <bje@au.ibm.com>
1266 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1267 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1269 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1271 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1272 information. Remove some obsolete information. Reorganize.
1274 * config/pa/fptr.c: Revert license to GPL 2.
1275 * config/pa/milli64.S: Likewise.
1277 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1280 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1281 LIBRARY name in, instead of hard-coding it.
1282 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1283 extra target make frag to tmake_files according to EH model.
1284 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1285 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1286 frags that define makefile variable EH_MODEL appropriately.
1287 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1288 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1289 to "-sjlj" according to type of EH configured.
1290 (LIBGCC_SONAME): Concatenate it to shared library base name.
1291 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1292 to "_sjlj" according to type of EH configured.
1293 (LIBGCC_SONAME): Concatenate it to shared library base name.
1294 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1295 (SHLIB_LINK): Add missing semicolon to if-else construct.
1296 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1297 string value of "pe_dll" command-line option.
1298 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1299 (SHLIB_SONAME): Use it when overriding t-cygming default.
1300 (SHLIB_IMPLIB): Override t-cygming default.
1301 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1302 string value of "pe_dll" command-line option.
1304 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1307 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1308 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1310 2009-01-31 Richard Guenther <rguenther@suse.de>
1312 PR tree-optimization/38937
1313 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1314 computing the transitive closure.
1316 2009-01-30 Richard Guenther <rguenther@suse.de>
1318 PR tree-optimization/39041
1319 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1320 Propagate variable indices only if the types match for this stmt.
1322 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1325 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1326 inline but never defined.
1328 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1330 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1331 (*insv_h_di_reg_extimm): New insn.
1332 (*insv_l<mode>_reg_extimm): New insn.
1334 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1336 * config/picochip/picochip.c (flag_conserve_stack): set
1337 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1338 fconserve-stack. Reduce call-overhead used by inliner.
1340 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1343 * common.opt (flag_conserve_stack): Initialised to zero.
1345 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1348 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1349 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1352 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1354 * ira-color.c (allocno_reload_assign): Update comments.
1355 * regmove.c (regmove_optimize): Likewise.
1359 2009-01-29 Robert Millan <rmh@aybabtu.com>
1361 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1362 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1363 `MD_UNWIND_SUPPORT'.
1364 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1366 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1368 PR tree-optimization/39007
1369 * tree-loop-distribution.c (generate_builtin): Use
1370 recompute_dominator to compute the immediate dominator of the
1371 basic block just after the loop.
1373 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1375 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1376 (ASM_OUTPUT_DWARF_PCREL): Define.
1378 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1380 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1381 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1382 global. Modify entries about regmove and IRA.
1384 * ra-conflict.c: Remove the file.
1386 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1388 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1389 (pass_regclass_init): Rename to pass_reginfo_init.
1391 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1393 * toplev.h (flag_ira): Remove.
1395 * caller-save.c (setup_save_areas): Remove flag_ira.
1397 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1399 * global.c: Remove the file.
1401 * opts.c: (decode_options): Remove flag_ira.
1403 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1405 * regmove.c: Modify file description.
1406 (find_use_as_address, try_auto_increment): Define them only if
1407 AUTO_INC_DEC is defined.
1408 (replacement_quality, replace_in_call_usage, fixup_match_1,
1409 stable_and_no_regs_but_for_p): Remove.
1410 (reg_set_in_bb): Make it static.
1411 (regmove_optimize): Remove flag_ira and code which worked for
1414 * local-alloc.c: Remove the file.
1416 * common.opt (fira): Remove.
1418 * ira.c: Include except.h.
1419 (eliminable_regset): Move from global.c.
1420 (mark_elimination): Ditto. Remove flag_ira.
1421 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1422 equiv_mem_modified, validate_equiv_mem_from_store,
1423 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1424 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1425 no_equiv, recorded_label_ref): Move from local-alloc.c.
1426 (update_equiv_regs): Ditto. Make it static.
1427 (print_insn_chain, print_insn_chains): Move it from global.c.
1428 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1429 (build_insn_chain): Ditto. Make it static.
1430 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1431 Rename to init_live_subregs.
1432 (gate_ira): Remove flag_ira.
1434 * regclass.c: Rename reginfo.c. Change file description.
1435 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1436 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1437 (init_reg_sets_1): Remove code for evaluation of
1438 reg_class_superclasses and losing_caller_save_reg_set.
1439 (init_regs): Remove init_reg_autoinc.
1440 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1441 ok_for_base_p_nonstrict): Remove.
1442 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1443 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1444 corresponding entries.
1445 (dump_regclass, record_operand_costs, scan_one_insn,
1446 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1447 record_address_regs, auto_inc_dec_reg_p): Remove.
1448 (gt-regclass.h): Rename to gt-reginfo.h.
1450 * rtl.h (dump_global_regs, retry_global_alloc,
1451 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1453 * Makefile.in (RA_H): Remove.
1454 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1455 Rename regclass.o to reginfo.o.
1456 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1458 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1459 (GTFILES): Rename regclass.c to reginfo.c.
1461 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1462 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1464 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1465 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1467 (finish_spills): Ditto. Remove code for !flag_ira.
1469 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1472 * doc/invoke.texi (rtl debug options): Complete rewrite.
1473 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1475 * mode-switching.c (pass_mode_switching): Rename pass from
1476 "mode-sw" to "mode_sw".
1477 * except.c (pass_convert_to_eh_ranges): Rename pass from
1478 "eh-ranges" to "eh_ranges".
1479 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1483 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1484 Alexander Monakov <amonakov@ispras.ru>
1487 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1489 (move_exprs_to_boundary): Change return type and pass through
1490 should_move from move_op. Relax assert. Update usage ...
1491 (schedule_expr_on_boundary): ... here. Use should_move instead of
1493 (move_op_orig_expr_found): Indicate that insn was disconnected from
1495 (code_motion_process_successors): Do not call after_merge_succs
1496 callback if original expression was not found when traversing any of
1498 (code_motion_path_driver): Change return type. Update prototype.
1499 (move_op): Update comment. Add a new parameter (should_move). Update
1500 prototype. Set *should_move based on indication provided by
1501 move_op_orig_expr_found.
1503 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1505 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1506 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1507 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1508 * config/rs6000/rs6000.c (rs6000_override_options): Default
1509 avoid-indexed-addresses on for Power6, off for everything else.
1510 (avoiding_indexed_address_p): New function.
1511 (rs6000_legitimize_address): Use it.
1512 (rs6000_legitimate_address): Likewise.
1513 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1515 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1517 PR tree-optimization/38997
1518 * tree-loop-distribution.c (generate_memset_zero): Use
1519 POINTER_PLUS_EXPR for a pointer addition.
1521 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1523 * config/s390/s390.md (bswap<mode>2): New pattern added.
1525 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1527 * config/s390/s390.md (*tls_load_31): Added type attribute.
1529 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1531 * config/s390/s390.md: Fix a few comments.
1533 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1535 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1536 (*tm<mode>_full): Fixed z10prop attribute.
1537 (*tst<mode>_extimm): Fixed z10prop attribute.
1538 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1539 (*tstqiCCT_cconly): Fixed z10prop attribute.
1540 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1541 (*movsi_larl): Fixed z10prop attribute.
1542 (*movsi_zarch): Fixed z10prop attribute.
1543 (*movsi_eas): Fixed z10prop attribute.
1544 (*movhi): Fixed z10prop attribute.
1545 (*movqi): Fixed z10prop attribute.
1546 (*movstrictqi): Fixed z10prop attribute.
1547 (*mov<mode>): Fixed z10prop attribute.
1548 (*movcc): Fixed z10prop attribute.
1549 (*sethighpartdi_64): Fixed z10prop attribute.
1550 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1551 (*negdi2_sign_cc): Fixed z10prop attribute.
1552 (*negdi2_sign): Fixed z10prop attribute.
1553 (*absdi2_sign_cc): Fixed z10prop attribute.
1554 (*absdi2_sign): Fixed z10prop attribute.
1555 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1556 (*negabsdi2_sign): Fixed z10prop attribute.
1557 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1558 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1559 (doloop_si64): Fixed z10prop attribute.
1560 (doloop_si31): Fixed z10prop attribute.
1561 (doloop_long): Fixed z10prop attribute.
1562 (indirect_jump): Fixed z10prop attribute.
1563 (nop): Fixed z10prop attribute.
1564 (main_base_64): Fixed z10prop attribute.
1565 (reload_base_64): Fixed z10prop attribute.
1567 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1569 PR rtl-optimization/38740
1570 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1572 * config/mips/mips.c (mips_reorg): Likewise.
1574 2009-01-28 Richard Guenther <rguenther@suse.de>
1576 PR tree-optimization/38926
1577 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1578 with the correct value id to a value.
1579 (do_regular_insertion): Use the value number of edoubleprime
1580 for the value number of the expr.
1583 2008-08-21 Richard Guenther <rguenther@suse.de>
1585 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1586 a PHI ask VN if it is already available.
1587 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1588 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1590 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1593 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1594 set to varying whenever max has TREE_OVERFLOW set, similarly
1595 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1597 2009-01-28 Richard Guenther <rguenther@suse.de>
1600 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1601 uninitialized aggregate uses in call arguments.
1603 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1605 PR tree-optimization/38984
1606 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1607 the nothing_id variable if -fno-delete-null-pointer-checks.
1609 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1612 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1613 (set_got_offset_rex64): Ditto.
1615 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1618 * doc/extend.texi: Improve local variable with asm reg.
1620 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1622 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1623 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1624 was not supplied then set warn_packed_bitfield_compat to the
1626 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1629 2009-01-27 Richard Guenther <rguenther@suse.de>
1631 PR tree-optimization/38503
1632 * cfgexpand.c (expand_gimple_basic_block): Ignore
1633 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1634 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1635 variables that cannot have TBAA applied.
1636 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1639 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1642 * calls.c (initialize_argument_information): Do not wrap complex
1643 arguments in SAVE_EXPR.
1645 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1647 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1648 (INSTALL_LIBGCC): Revert typo commit.
1650 2009-01-26 Richard Guenther <rguenther@suse.de>
1652 PR tree-optimization/38745
1653 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1654 from special handling.
1656 2009-01-26 Richard Guenther <rguenther@suse.de>
1658 PR tree-optimization/38745
1659 * tree-ssa.c (execute_update_addresses_taken): Do not include
1660 variables that cannot possibly be a register in not_reg_needs.
1661 Do not clear TREE_ADDRESSABLE on vars that may not become
1663 * tree-ssa.c (update_alias_info_1): Include those in the set
1664 of addressable vars.
1666 2009-01-26 Richard Guenther <rguenther@suse.de>
1669 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1670 * tree-ssa-dse.c: Include langhooks.h
1671 (execute_simple_dse): Remove stores with zero size.
1673 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1676 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1679 2009-01-24 Julian Brown <julian@codesourcery.com>
1681 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1682 config/arm/linux-atomic.c.
1683 * config/arm/linux-atomic.c: New.
1685 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1687 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1688 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1689 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1691 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1694 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1697 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1699 PR tree-optimization/38953
1700 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1701 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1702 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1703 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1706 2009-01-24 Paul Brook <paul@codesourcery.com>
1708 * config/arm/neon.md (neon_type): Move to arm.md.
1709 (neon_mov<VSTRUCT>): Add neon_type attribute.
1710 * config/arm/arm.md (neon_type): Move to here.
1711 (conds): Add "unconditioal" and use as default for NEON insns.
1713 2009-01-24 Ben Elliston <bje@au.ibm.com>
1715 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1716 void *' warning from -Wc++-compat.
1717 * Makefile.in (dominance.o-warn): Remove.
1719 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1721 PR tree-optimization/38932
1722 * fold-const.c (fold_unary_ignore_overflow): New.
1723 * tree.h (fold_unary_ignore_overflow): Declare.
1724 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1725 * tree-ssa-sccvn.c (visit_reference_op_load,
1726 simplify_unary_expression): Likewise.
1728 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1730 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1731 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1732 regardless of their type.
1733 * c-common.c (handle_packed_attribute): Don't ignore packed on
1735 * c.opt (Wpacked-bitfield-compat): New warning option.
1736 * stor-layout.c (place_field): Warn if offset of a field changed.
1737 * doc/extend.texi (packed): Mention the ABI change.
1738 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1739 (Warning Options): Add it to the list.
1741 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1743 * c-opts.c (c_common_post_options): Fix a typo in comments.
1745 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1748 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1749 variables to static.
1750 * doc/invoke.texi (-fmerge-all-constants): Update description.
1752 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1755 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1756 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1758 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1760 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1762 (LOCAL_ALIGNMENT): Similarly.
1764 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1765 Joseph Myers <joseph@codesourcery.com>
1767 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1768 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1769 * config/arm/arm-tune.md: Regenerate.
1770 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1773 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1775 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1776 version number to five.
1778 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1781 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1782 * c-common.c (set_underlying_type): Likewise.
1783 (is_typedef_decl ): Likewise
1785 (set_underlying_type): Likewise.
1786 (is_typedef_type): Likewise.
1788 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1791 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1794 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1797 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1798 (LIBGCC_SPEC): Don't define.
1799 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1801 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1803 PR rtl-optimization/38879
1804 * alias.c (base_alias_check): Unaligned access via AND address can
1805 alias all surrounding object types except those with sizes equal
1806 or wider than the size of unaligned access.
1808 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1811 * c-decl.c: (clone_underlying_type): Move this ...
1812 * c-common.c (set_underlying_type): ... here.
1813 Also, make sure the function properly sets TYPE_STUB_DECL() on
1814 the newly created typedef variant type.
1815 (is_typedef_decl ): New entry point.
1816 * tree.h: Added a new member member_types_needing_access_check to
1817 struct tree_decl_non_common.
1818 (set_underlying_type): New entry point.
1819 (is_typedef_type): Likewise.
1821 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1823 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1824 Check whether two instructions have memory references that
1825 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1826 are helper functions for traversing.
1827 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1828 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1829 not to draw dependency edge for instructions with non-conflicting
1832 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1835 * longlong.h: Update copyright years. Use soft-fp license notice.
1836 Sync __clz_tab declaration with glibc.
1838 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1841 * doc/extend.texi (syscall_linkage): New.
1842 (version_id): Modify.
1844 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1845 Richard Guenther <rguenther@suse.de>
1847 PR tree-optimization/38747
1848 PR tree-optimization/38748
1849 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1850 conversion if the base address is an indirect reference and the
1851 aliasing sets could cause issues.
1853 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1855 * common.opt (fgraphite, fgraphite-identity): Add comment for
1856 explaining why these options are not documented.
1858 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1860 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1861 gimple_call_lhs is NULL.
1863 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1866 * emit-rtl.c (adjust_address_1): Make sure memref is never
1869 2009-01-20 Ben Elliston <bje@au.ibm.com>
1871 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1872 const qualifier from arg parameter. Remove unnecessary cast to char *.
1873 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1874 const qualifier from arg 2.
1876 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1878 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1880 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1883 * rtl.h (reinit_regs): New prototype.
1884 * regclass.c: Include ira.h.
1886 * Makefile.in (regclass.o): Add ira.h.
1887 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1889 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1892 * c-common.c (handle_aligned_attribute): Use
1893 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1894 default alignment value.
1896 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1898 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1899 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1901 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1902 __BIGGEST_ALIGNMENT__.
1904 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1906 2009-01-18 Richard Guenther <rguenther@suse.de>
1908 PR tree-optimization/38819
1909 * tree-flow.h (operation_could_trap_helper_p): Declare.
1910 * tree-eh.c (operation_could_trap_helper_p): Export.
1911 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1912 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1913 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1914 are about to insert a possibly trapping instruction and fail
1917 2009-01-18 Andreas Schwab <schwab@suse.de>
1919 * doc/install.texi (Configuration): Remove obsolete paragraph
1920 about use of --with-gnu-ld with --with-gnu-as.
1922 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1924 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1925 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1926 Follow spelling conventions.
1928 2009-01-18 Ben Elliston <bje@au.ibm.com>
1930 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1931 C++ warning about implicit conversion from void * to struct
1933 (bitmap_obstack_free): Likewise for bitmap_element *.
1934 * Makefile.in (bitmap.o-warn): Remove.
1936 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1938 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1940 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1941 Tobias Grosser <tobi.grosser@amd.com>
1943 * graphite.c (graphite_trans_scop_block): Do not block single
1946 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1948 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1949 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1950 test with assertion.
1952 2009-01-16 Richard Guenther <rguenther@suse.de>
1954 PR tree-optimization/38835
1956 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1957 and INT + PTR -> (INT)(PTR p+ INT) folding.
1958 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1960 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1963 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1964 the subreg from a lowpart subreg if it is also casting the value.
1966 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1967 Tobias Grosser <tobi.grosser@amd.com>
1969 * graphite.c (compare_prefix_loops): New.
1970 (build_scop_canonical_schedules): Rewritten.
1971 (graphite_transform_loops): Move build_scop_canonical_schedules
1972 after build_scop_iteration_domain.
1974 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1975 Tobias Grosser <tobi.grosser@amd.com>
1977 * graphite.c (add_conditions_to_domain): Add the loops to
1978 the dimension of the iteration domain. Do copy the domain
1979 only when it exists.
1980 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1981 (add_conditions_to_constraints): New.
1982 (can_generate_code_stmt, can_generate_code): Removed.
1983 (gloog): Do not call can_generate_code.
1984 (graphite_transform_loops): Call add_conditions_to_constraints
1985 after building the iteration domain.
1987 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1989 PR tree-optimization/38789
1990 * tree-ssa-threadedge.c
1991 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1992 __builtin_constant_p.
1994 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1996 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1997 examined before deleting them.
1999 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2001 * function.c (aggregate_value_p): Correctly extract the function
2002 type from CALL_EXPR_FN lookup.
2004 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2006 * config/picochip/picochip.c (picochip_override_options): Revert
2007 CFI asm flag disable commited previously.
2009 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2010 Tobias Grosser <tobi.grosser@amd.com>
2011 Jan Sjodin <jan.sjodin@amd.com>
2013 * graphite.c (scan_tree_for_params): On substractions negate
2014 all the coefficients of the term.
2015 (clast_to_gcc_expression_red): New. Handle reduction expressions
2016 of more than two operands.
2017 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2018 (get_vdef_before_scop): Handle also the case of default definitions.
2020 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2022 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2023 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2024 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2026 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2027 Joey Ye <joey.ye@intel.com>
2030 * cfgexpand.c (expand_stack_alignment): Don't update stack
2031 boundary nor check incoming stack boundary here.
2032 (gimple_expand_cfg): Update stack boundary and check incoming
2033 stack boundary here.
2035 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2037 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2039 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2041 PR rtl-optimization/38245
2042 * calls.c (expand_call): Add stack arguments to
2043 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2044 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2045 in regs and partially in memory or BLKmode arguments.
2046 (emit_library_call_value_1): Add stack arguments to
2047 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2048 ACCUMULATE_OUTGOING_ARGS).
2049 * dce.c: Include tm_p.h.
2050 (find_call_stack_args): New function.
2051 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2053 (mark_insn): Call find_call_stack_args for CALL_Ps.
2054 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2055 forwards. Allocate and free arg_stores bitmap if needed, pass it
2056 down to deletable_insn_p, don't mark stores set in arg_stores
2057 bitmap, clear the bitmap at the beginning of each bb.
2058 * Makefile.in (dce.o): Depend on $(TM_P_H).
2060 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2063 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2064 to make sure the insn is a conditional test (bug 22599). Reformat a
2067 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2070 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2071 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2072 (gloog): Do not call cleanup_tree_cfg.
2073 (graphite_transform_loops): Call cleanup_tree_cfg after all
2074 scops have been code generated.
2076 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2077 * doc/gty.texi (Invoking the garbage collector): Added new node
2078 and section documenting ggc_collect.
2080 2009-01-14 Richard Guenther <rguenther@suse.de>
2082 PR tree-optimization/38826
2084 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2085 initialization notes only if we actually emitted a warning.
2086 (intra_create_variable_infos): Add constraints for a result decl
2087 that is passed by hidden reference.
2088 (build_pred_graph): Mark all related variables non-direct on
2091 2009-01-14 Nick Clifton <nickc@redhat.com>
2093 * ira-conflicts.c: Include addresses.h for the definition of
2095 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2096 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2098 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2101 * Makefile.in (ira-lives.o): Add except.h.
2103 * ira-lives.c: Include except.h.
2104 (process_bb_node_lives): Process can_throw_internal.
2106 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2108 PR rtl-optimization/38774
2109 * combine.c (simplify_set): When undoing cc_use change, don't do
2110 PUT_CODE on the newly created comparison, but instead put back the
2113 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2115 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2116 values. Remove duplicate arm8 entry.
2118 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2120 PR tree-optimization/38786
2121 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2122 the SSA_NAME case of expand_scalar_variables_expr.
2123 Set the type of an expression to the type of its assign statement.
2124 (expand_scalar_variables_expr): Also gather the scalar computation
2125 used to index the memory access. Do not pass loop_p.
2126 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2127 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2128 the gimple_stmt_iterator where it inserts new code.
2130 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2131 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2133 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2135 * graphite.h (debug_value): Removed.
2136 * graphite.c (debug_value): Removed.
2138 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2140 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2141 ldrd/strd with two 32-bit instructions.
2143 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2145 * config/arm/arm.c (struct processors): Pass for speed down into
2146 cost helper functions.
2147 (const_ok_for_op): Handle COMPARE and inequality nodes.
2148 (arm_rtx_costs_1): Rewrite.
2149 (arm_size_rtx_costs): Update prototype.
2150 (arm_rtx_costs): Pass speed down to helper functions.
2151 (arm_slowmul_rtx_costs): Rework cost calculations.
2152 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2153 (arm_9e_rtx_costs): Likewise.
2155 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2157 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2158 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2159 (alpha_legitimize_address): Do not split local symbols wider than
2160 UNITS_PER_WORD into HIGH/LO_SUM parts.
2162 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2165 * gcc.c (process_command): Replace call to execvp with calls
2166 to pex_one and exit.
2168 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2171 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2172 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2173 variant for devices with 3-byte PC.
2174 (__tablejump_elpm__) : New.
2176 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2179 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2180 offsetof member-designator, handle it as `[0].'.
2182 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2184 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2185 function when not using named sections on targets with named sections
2186 if branch distance is less than 262132.
2188 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2190 * combine.c (combine_instructions): Recompute
2191 optimize_this_for_speed_p for each BB in the main combine loop.
2193 2009-01-12 Tomas Bily <tbily@suse.cz>
2196 * tree-loop-distribution.c (prop_phis): New function.
2197 (generate_builtin): Call prop_phis.
2198 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2200 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2202 PR tree-optimization/38807
2203 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2204 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2206 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2208 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2209 subreg of op0 to the original op0.
2211 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2213 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2215 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2218 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2219 starting with digits.
2221 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2224 * config/arm/arm.c (arm_is_long_call_p): Don't call
2225 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2227 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2229 * regrename.c (regrename_optimize): Fix dumping.
2230 (find_oldest_value_reg): Preserve REG_POINTER.
2231 (copy_hardreg_forward_1): Likewise.
2233 2009-01-09 Diego Novillo <dnovillo@google.com>
2235 * gimple.h (struct gimple_statement_base) <uid>: Document
2236 the restrictions on its use.
2238 (gimple_set_uid): Tidy.
2240 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2242 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2243 zero guard even if align_bytes != 0 and count is smaller than
2246 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2248 PR rtl-optimization/38495
2249 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2250 (add_range_and_copies_from_move_list): Print all added ranges.
2251 Add ranges to memory optimized destination.
2253 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2257 * config/i386/i386.c (override_options): Reject
2258 -mstringop-strategy=rep_8byte with -m32.
2259 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2260 to 1. Do count comparison against epilogue_size_needed at compile
2261 time even when count_exp was constant forced into register. For
2262 size_needed don't jump to epilogue, instead just avoid aligning
2263 and invoke the body algorithm. If need_zero_guard, add zero guard
2264 even if count is non-zero, but smaller than size_needed + number of
2265 bytes that could be stored for alignment.
2266 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2267 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2268 but smaller than size_needed + number of bytes that could be stored
2269 for alignment. Compare size_needed with epilogue_size_needed instead
2270 of desired_align - align, don't adjust size_needed, pass
2271 epilogue_size_needed to the epilogue expanders.
2274 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2276 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2278 * pa.c (last_address): Change to unsigned.
2279 (update_total_code_bytes): Change argument to unsigned. Don't
2280 check if insn addresses are set.
2281 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2282 addresses are not set.
2283 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2285 2009-01-09 Nick Clifton <nickc@redhat.com>
2287 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2288 DECL_DECLARED_INLINE_P.
2290 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2293 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2294 GET_MODE (op0) in operand_subword_force calls.
2297 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2298 fold_convert arg0 operands to TREE_TYPE (op0) first.
2300 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2302 * params.def (ira-max-conflict-table-size): Decrease default value
2305 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2307 PR tree-optimization/37031
2308 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2310 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2311 allocate it using gc instead of heap, use VEC_quick_push instead of
2313 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2314 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2315 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2316 allocated vector from heap allocated.
2317 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2318 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2319 vector only after perfect_loop_nest_depth call.
2321 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2322 Jan Sjodin <jan.sjodin@amd.com>
2324 PR tree-optimization/38559
2325 * graphite.c (debug_value, copy_constraint,
2326 swap_constraint_variables, scale_constraint_variable, ): New.
2327 (get_lower_bound, get_upper_bound): Removed.
2328 (graphite_trans_bb_strip_mine): Clean up this code that works
2329 only for constant number of iterations. Fully copy upper and
2330 lower bound constraints, not only the constant part of them.
2331 * graphite.h (debug_value): Declared.
2333 2009-01-08 Ira Rosen <irar@il.ibm.com>
2335 PR tree-optimization/37194
2336 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2337 Don't add the cost of cost model guard in prologue to scalar
2338 outside cost in case of known number of iterations.
2340 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2341 Alan Modra <amodra@bigpond.net.au>
2343 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2344 non-word-aligned REG+CONST addressing.
2346 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2349 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2350 free_after_compilation when outputting a thunk.
2351 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2352 Do not call free_after_compilation here.
2354 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2356 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2357 (ix86_valid_target_attribute_inner_p): Ditto.
2359 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2361 PR tree-optimization/38492
2362 PR tree-optimization/38498
2363 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2364 * tree-chrec.h (scev_is_linear_expression): Declared.
2365 * graphite.c (graphite_cannot_represent_loop_niter): New.
2366 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2367 (graphite_loop_normal_form): Use gcc_assert.
2368 (scan_tree_for_params): Use CASE_CONVERT.
2369 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2370 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2371 Use gcc_assert. Discard scops that contain unhandled cases.
2372 (build_scop_conditions): Return a boolean status for unhandled cases.
2373 (strip_mine_profitable_p): Print the loop number, not its depth.
2374 (is_interchange_valid): Pass the depth of the loop nest, don't
2375 recompute it wrongly.
2376 (graphite_trans_bb_block): Same.
2377 (graphite_trans_bb_block): Print tentative of loop blocking.
2378 (graphite_trans_scop_block): Do not print that the loop has been
2380 (graphite_transform_loops): Do not handle scops that contain condition
2383 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2385 AVX Programming Reference (December, 2008)
2386 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2387 (_mm256_stream_pd): Likewise.
2388 (_mm256_stream_ps): Likewise.
2390 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2391 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2392 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2393 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2394 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2395 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2396 (ix86_expand_special_args_builtin): Likewise.
2398 * config/i386/sse.md (AVXMODEDI): New.
2399 (avx_movnt<mode>): Likewise.
2400 (avx_movnt<mode>): Likewise.
2401 (<sse>_movnt<mode>): Remove AVX support.
2402 (sse2_movntv2di): Likewise.
2404 2009-01-07 Richard Guenther <rguenther@suse.de>
2407 * fold-const.c (extract_muldiv): Remove obsolete comment.
2408 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2409 to PLUS_EXPR canonicalization for the canonicalization.
2411 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2413 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2414 hosted cross-compilers generating less efficient code.
2416 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2418 * function.h (rtl_data): Add a dbr_scheduled_p field.
2419 * reorg.c (dbr_schedule): Set it.
2420 (gate_handle_delay_slots): Check it.
2421 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2422 (mips_reorg): Check flag_delayed_branch instead of
2423 mips_base_delayed_branch.
2424 (mips_override_options): Don't set mips_base_delayed_branch
2425 or flag_delayed_branch.
2427 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2429 PR rtl-optimization/38426.
2430 * ira.c (ira): Set current_function_is_leaf earlier.
2432 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2434 PR rtl-optimization/38722
2435 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2436 too early, only set a flag and modify after last possible
2439 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2442 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2443 * real.c (decimal_single_format): Correct values of emin and emax.
2444 (decimal_double_format): Ditto.
2445 (decimal_quad_format): Ditto.
2446 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2447 computation of DECnn_MIN and DECnn_MAX for corrected values of
2448 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2449 __DECnn_MIN__, and adjust its computation for the corrected value
2452 2009-01-06 Jan Hubicka <jh@suse.cz>
2455 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2457 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2459 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2460 Add Robert Clark to the list of testers.
2462 2009-01-06 Jan Hubicka <jh@suse.cz>
2463 Kai Tietz <kai.tietz@onevision.com>
2465 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2466 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2468 2009-01-06 Jan Hubicka <jh@suse.cz>
2469 Kai Tietz <kai.tietz@onevision.com>
2471 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2473 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2474 (ix86_nsaved_regs): Count only general purpose regs.
2475 (ix86_nsaved_sseregs): New.
2476 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2477 to 16 for w64; compute padding and size of sse reg save area.
2478 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2479 general purpose regs.
2480 (ix86_emit_save_sse_regs_using_mov): New.
2481 (ix86_expand_prologue): Save SSE regs if needed.
2482 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2483 (ix86_emit_restore_sse_regs_using_mov): New.
2484 (ix86_expand_epilogue): Save SSE regs if needed.
2486 2009-01-06 Jan Hubicka <jh@suse.cz>
2487 Kai Tietz <kai.tietz@onevision.com>
2489 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2490 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2491 functions when accumulate outgoing args is off.
2493 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2496 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2497 before using pseudos_have_intersected_live_ranges_p.
2499 * ira-int.h (ira_assert): Always define.
2501 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2503 AVX Programming Reference (December, 2008)
2504 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2505 (_mm256_permute2_pd): Likewise.
2506 (_mm_permute2_ps): Likewise.
2507 (_mm256_permute2_ps): Likewise.
2508 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2509 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2511 * config/i386/i386.c (ix86_builtins): Remove
2512 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2513 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2514 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2515 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2516 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2517 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2518 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2519 __builtin_ia32_vpermil2ps256.
2520 (ix86_init_mmx_sse_builtins): Updated.
2521 (ix86_expand_args_builtin): Likewise.
2523 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2525 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2526 long absolute calls when generating PA 2.0 code.
2528 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2530 PR rtl-optimization/38583
2531 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2533 * params.def (ira-max-conflict-table-size): New.
2535 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2537 * ira.h (ira_conflicts_p): New external definition.
2539 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2540 table. Report this. Return result of building.
2541 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2542 building conflict table.
2544 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2545 (ira_color): Use ira_conflicts_p.
2547 * global.c: Include ira.h.
2548 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2551 * Makefile.in (global.o): Add ira.h.
2553 * ira-build.c (mark_all_loops_for_removal,
2554 propagate_some_info_from_allocno): New.
2555 (remove_unnecessary_allocnos): Call
2556 propagate_some_info_from_allocno.
2557 (remove_low_level_allocnos): New.
2558 (remove_unnecessary_regions): Add parameter. Call
2559 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2560 parameter to remove_unnecessary_regions.
2561 (ira_build): Remove all regions but root if the conflict table was
2562 not built. Update conflict hard regs for allocnos crossing calls.
2564 * ira.c (ira_conflicts_p): New global.
2565 (ira): Define and use ira_conflicts_p.
2567 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2568 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2569 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2571 2009-01-06 Ben Elliston <bje@au.ibm.com>
2573 * gengtype-lex.l (YY_NO_INPUT): Define.
2575 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2578 * c-common.c (handle_vector_size_attribute): Also reject
2581 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2583 PR tree-optimization/38492
2584 * graphite.c (rename_map_elt, debug_rename_elt,
2585 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2586 rename_map_elt_info, eq_rename_map_elts,
2587 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2588 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2589 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2590 (sese_build_livein_liveouts): New.
2591 (new_sese, free_sese): New.
2592 (new_scop): Call new_sese.
2593 (free_scop): Call free_sese.
2594 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2595 (register_old_new_names): Renamed register_old_and_new_names.
2596 (register_scop_liveout_renames, add_loop_exit_phis,
2597 insert_loop_close_phis, struct igp,
2598 default_liveout_before_guard, add_guard_exit_phis,
2599 insert_guard_phis, copy_renames): New.
2600 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2601 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2602 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2603 (scop_adjust_phis_for_liveouts): New.
2604 (gloog): Call scop_adjust_phis_for_liveouts.
2606 * graphite.h (struct sese): Documented. Added fields liveout,
2608 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2609 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2610 (struct scop): Added field liveout_renames.
2611 (SCOP_LIVEOUT_RENAMES): New.
2613 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2615 PR tree-optimization/38510
2616 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2617 (translate_clast): Call recompute_all_dominators before
2619 (gloog): Call recompute_all_dominators before graphite_verify.
2621 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2622 Jan Sjodin <jan.sjodin@amd.com>
2624 PR tree-optimization/38500
2625 * graphite.c (create_sese_edges): Call fix_loop_structure after
2628 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2630 * config.gcc: Add m32r*-*-rtems*.
2631 * config/m32r/rtems.h: New file.
2633 2009-01-05 Ben Elliston <bje@au.ibm.com>
2635 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2636 (.po.pox): Likewise.
2637 (po/gcc.pot): Likewise.
2639 2009-01-04 David S. Miller <davem@davemloft.net>
2641 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2642 (STARTING_FRAME_OFFSET): Always set to zero.
2644 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2646 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2647 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2648 fixed-point types, and vectors of the same.
2650 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2652 * config/mips/sync.md (*mb_barrier): Rename to...
2653 (*memory_barrier): ...this.
2655 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2657 * doc/extend.texi (Function Attributes): Move @cindex after @item
2658 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2659 and put in alphabetical order. Fix 'target' name and put in order.
2660 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2663 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2665 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2666 (memory_barrier): Expand as unspec instead of unspec_volatile.
2667 Remove mem:BLK from insn operands. Use Pmode scratch register.
2668 (*memory_barrier): Define as unspec instead of unspec_volatile.
2669 Use (match_dup 0) as input operand.
2671 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2672 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2673 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2674 scratch register. Remove operand 1.
2675 (*stbar): Define as unspec instead of unspec_volatile.
2676 Use (match_dup 0) as input operand, remove (const_int 8).
2677 (*membar): Define as unspec instead of unspec_volatile.
2678 Use (match_dup 0) as input operand, remove input operand 2.
2680 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
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/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2687 Remove mem:BLK from insn operands. Use Pmode scratch register.
2688 Set volatile flag on operand 0.
2689 (*memory_barrier): New insn pattern.
2691 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2693 (*memory_barrier): Use (match_dup 0) as input operand.
2695 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2696 Remove mem:BLK from insn operands. Use Pmode scratch register.
2697 Set volatile flag on operand 0.
2698 (*mb_internal): New insn pattern.
2700 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2702 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2705 * function.c (struct temp_slot): Move to the section of the file
2706 that deals with temp slots. Remove field 'address'.
2707 (temp_slot_address_table): New hash table of address -> temp slot.
2708 (struct temp_slot_address_entry): New struct, items for the table.
2709 (temp_slot_address_compute_hash, temp_slot_address_hash,
2710 temp_slot_address_eq, insert_temp_slot_address): Support functions
2712 (find_temp_slot_from_address): Rewrite to use the new hash table.
2713 (remove_unused_temp_slot_addresses): Remove addresses of temp
2714 slots that have been made available.
2715 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2716 worker function for remove_unused_temp_slot_addresses.
2717 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2718 Add the temp slot address to the address -> temp slot map.
2719 (update_temp_slot_address): Update via insert_temp_slot_address.
2720 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2721 (pop_temp_slots): Likewise.
2722 (init_temp_slots): Allocate the address -> temp slot map, or empty
2723 the map if it is already allocated.
2724 (prepare_function_start): Initialize temp slot processing.
2726 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2729 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2730 Calculate the size of all stack vars assuming no packing of stack
2731 vars will happen, replacing a quadratic algorithm with a linear one.
2733 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2736 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2739 2009-01-03 Diego Novillo <dnovillo@google.com>
2741 * doc/contrib.texi: Update contributions.
2743 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2746 * builtins.c (fold_builtin_memory_op): Give up if either operand
2747 is volatile. Set srctype or desttype to non-qualified version
2751 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2754 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2756 PR rtl-optimization/35805
2757 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2758 problem if fast dce is able to remove any instructions.
2759 * dce.c (dce_process_block): Fix dump message.
2761 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2764 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2766 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2769 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2770 * tree-pretty-print.c (op_code_prio): New function.
2771 (op_prio): No longer static. Use op_code_prio.
2772 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2773 Use op_prio and op_code_prio to determine if () should be
2774 printed around operand(s) or not.
2776 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2777 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2778 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2779 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2780 pp_character instead of pp_string for single letter printing.
2782 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2784 * doc/extend.texi: Fix '#pragma GCC option' typo.
2786 2009-01-02 Richard Guenther <rguenther@suse.de>
2788 * doc/install.texi (--enable-checking): Mention different
2790 (--enable-stage1-checking): Document.
2792 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2795 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2796 case to be an error.
2798 2009-01-02 Ben Elliston <bje@au.ibm.com>
2800 * config/fp-bit.h (pack_d): Constify argument.
2801 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2802 (isnan): Constify argument.
2806 (_fpadd_parts): Constify return type.
2807 (_fpmul_parts): Likewise.
2808 (_fpdiv_parts): Likewise.
2810 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2813 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2814 warn about overwriting initializer with side-effects or
2815 -Woverride-init if !IMPLICIT.
2816 (output_init_element): Likewise. Pass IMPLICIT down to
2818 (process_init_element): Add IMPLICIT argument. Pass it down
2819 to output_init_element.
2820 (push_init_element, pop_init_level, set_designator): Adjust
2821 process_init_element callers.
2822 (set_nonincremental_init, set_nonincremental_init_from_string):
2823 Adjust add_pending_init callers.
2824 (output_pending_init_elements): Adjust output_init_element callers.
2825 * c-tree.h (process_init_element): Adjust prototype.
2826 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2827 process_init_element callers.