1 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4 inline asms for register asm ("") declarations.
6 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
8 * fold-const.c (fold_unary): Fix comment.
10 2009-03-07 Jan Hubicka <jh@suse.cz>
13 * tree-inline.c (setup_one_parameter): Do replacement of const argument
14 by constant in SSA form.
16 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
19 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
20 determine alignment passed to assign_stack_local.
21 (assign_parms_unsplit_complex): Likewise.
22 * except.c (sjlj_build_landing_pads): Likewise.
24 2009-03-06 Jakub Jelinek <jakub@redhat.com>
27 * tree-flow.h (add_referenced_var): Return bool instead of void.
28 * tree-dfa.c (add_referenced_var): Return result of
29 referenced_var_check_and_insert call.
30 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
31 of referenced_var_check_and_insert.
34 * dwarf2out.c (add_abstract_origin_attribute): Return
36 (gen_variable_die): Emit DW_AT_location on abstract static variable's
37 DIE, don't emit it if abstract origin already has it.
38 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
39 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
41 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
43 * genpreds.c: (needs_variable): Fix parentheses at variable name
45 (write_tm_constrs_h): Indent generated code.
47 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
49 * doc/extend.texi (Function Attributes): Add documentation
52 2009-03-06 Jakub Jelinek <jakub@redhat.com>
55 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
56 take locus from its DECL_SOURCE_LOCATION instead of input_location.
58 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
60 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
63 2009-03-05 Jakub Jelinek <jakub@redhat.com>
66 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
67 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
69 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
71 * config/i386/i386.md (R8_REG, R9_REG): New constants.
72 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
73 constants instead of magic numbers.
74 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
76 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
77 (x86_64_ms_abi_int_parameter_registers): Ditto.
78 (x86_64_int_return_registers): Ditto.
79 (ix86_maybe_switch_abi): Ditto.
80 (ix86_expand_call): Ditto for clobbered_registers array.
81 (ix86_hard_regno_mode_ok): Ditto.
82 (x86_extended_QIreg_mentioned_p): Ditto.
84 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
86 PR tree-optimization/39349
87 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
89 * combine.c (gen_lowpart_for_combine): Use omode when generating
92 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
94 PR rtl-optimization/39235
95 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
97 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
99 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
101 2009-03-04 Richard Guenther <rguenther@suse.de>
103 PR tree-optimization/39362
104 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
105 that occur in abnormal PHIs should be varying.
107 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
109 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
111 (simple_iv): Take loop as an argument instead of statement.
112 * tree-scalar-evolution.h (simple_iv): Declaration changed.
113 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
115 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
117 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
118 * matrix-reorg.c (analyze_transpose): Ditto.
119 * tree-data-ref.c (dr_analyze_innermost): Ditto.
120 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
121 * tree-predcom.c (ref_at_iteration): Ditto.
122 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
124 2009-03-04 Richard Guenther <rguenther@suse.de>
126 PR tree-optimization/39358
127 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
128 escaped_id and callused_id.
129 (solve_graph): Likewise.
131 2009-03-04 Richard Guenther <rguenther@suse.de>
133 PR tree-optimization/39339
134 * tree-sra.c (try_instantiate_multiple_fields): Make it
135 no longer ICE on the above.
137 2009-03-03 Joseph Myers <joseph@codesourcery.com>
139 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
140 that fits within Pmode.
142 2009-03-03 Steve Ellcey <sje@cup.hp.com>
145 * tm.texi (LIBCALL_VALUE): Update description.
147 2009-03-03 Steve Ellcey <sje@cup.hp.com>
150 * doc/extend.texi (section): Update description.
152 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
155 * tree-inline.c (remapped_type): New.
156 (can_be_nonlocal): Call remapped_type instead of remap_type.
158 2009-03-03 Jakub Jelinek <jakub@redhat.com>
161 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
162 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
164 2009-03-03 Richard Guenther <rguenther@suse.de>
167 * tree.c (tree_nonartificial_location): New function.
168 * tree.h (tree_nonartificial_location): Declare.
169 * builtins.c (expand_builtin_memory_chk): Provide location
170 of the call location for artificial function pieces.
171 (maybe_emit_chk_warning): Likewise.
172 (maybe_emit_sprintf_chk_warning): Likewise.
173 (maybe_emit_free_warning): Likewise.
174 * expr.c (expand_expr_real_1): Likewise.
176 2009-03-03 Jakub Jelinek <jakub@redhat.com>
178 PR tree-optimization/39343
179 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
180 COMPONENT_REF t has ARRAY_TYPE.
182 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
185 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
186 when the type precision of the induction variable should be
187 larger than the type precision of nit.
188 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
189 * graphite.c (graphite_loop_normal_form): Same.
190 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
192 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
194 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
195 (*call_1_rex64_ms_sysv): Use named constants instead of magic
196 numbers to describe clobbered registers.
197 (*call_value_0_rex64_ms_sysv): Ditto.
198 * config/i386/mmx.md (mmx_emms): Ditto.
201 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
203 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
206 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
208 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
209 (spu_section_type_flags): New function.
211 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
213 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
214 reg_class_contents of FLOAT_REGS into a temporary.
216 2009-03-02 Richard Guenther <rguenther@suse.de>
217 Ira Rosen <irar@il.ibm.com>
219 PR tree-optimization/39318
220 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
221 information to the vectorized statement.
223 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
225 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
226 variable. Use defined names instead of magic constants for REX SSE
229 2009-03-01 Richard Guenther <rguenther@suse.de>
231 PR tree-optimization/39331
232 * omp-low.c (lower_send_shared_vars): Do not receive new
233 values for the reference of DECL_BY_REFERENCE parms or results.
235 2009-03-01 Jan Hubicka <jh@suse.cz>
238 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
239 BLOCK_NONLOCALIZED_VAR): New macros.
240 (tree_block): Add nonlocalized_vars.
241 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
242 gen_decl_die): Add origin argument. Allow generation of die with
244 (gen_member_die, gen_type_die_with_usage, force_decl_die,
245 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
247 (gen_block_die): Fix checking for unused blocks.
248 (process_scope_var): Break out from .... ; work with origins only.
249 (decls_for_scope) ... here; process nonlocalized list.
250 (dwarf2out_ignore_block): Look for nonlocalized vars.
251 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
253 (dump_scope_block): Dump them.
254 * tree-inline.c (remap_decls): Handle nonlocalized vars.
255 (remap_block): Likewise.
256 (can_be_nonlocal): New predicate.
257 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
259 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
261 * configure: Regenerate.
263 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
265 * optc-gen.awk: No need to duplicate option flags twice.
266 Reuse help texts for duplicate options which do not have
269 * gcc.c (display_help): Document --version.
271 * gcc.c (main): If print_help_list and verbose_flag, ensure
272 driver output comes before subprocess output.
274 * optc-gen.awk: Assign all remaining fields to help string,
275 space-separated, for multi-line help in *.opt.
277 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
278 -Wno-pedantic-ms-format is for MinGW targets only.
280 * doc/options.texi (Option file format): Fix bad indentation,
281 restoring dropped sentence.
283 2009-02-28 Jan Hubicka <jh@suse.cz>
285 * tree-inline.c (tree_function_versioning): Output debug info.
287 2009-02-28 Jan Hubicka <jh@suse.cz>
290 * tree-inline.c (setup_one_parameter): Do not copy propagate
291 arguments when not optimizing.
293 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
296 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
297 (avx_addsubv4df3): Likewise.
298 (*avx_addsubv4sf3): Likewise.
299 (sse3_addsubv4sf3): Likewise.
300 (*avx_addsubv2df3): Likewise.
301 (sse3_addsubv2df3): Likewise.
302 (avx_unpckhps256): Correct item selectors.
303 (avx_unpcklps256): Likewise.
304 (avx_unpckhpd256): Likewise.
305 (avx_unpcklpd256): Likewise.
307 2009-02-28 Jan Hubicka <jh@suse.cz>
309 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
311 (copy_arguments_for_versioning): If var is declared don't declare it.
312 (tree_function_versioning): First setup substitutions and then copy
315 2009-02-27 Jan Hubicka <jh@suse.cz>
318 * cgraph.h (varpool_output_debug_info): Remove.
319 * cgraphunit.c (varpool_output_debug_info): Remove.
320 * dwarf2out.c (deferred_locations_struct): New struct
321 (deferred_locations): New type.
322 (deferred_locations_list): New static var.
323 (deffer_location): New function.
324 (gen_variable_die): Use it.
325 (decls_for_scope): Output info on local static vars.
326 (dwarf2out_finish): Process deferred locations.
327 * varpool.c (varpool_output_debug_info): Remove.
329 2009-02-27 Jan Hubicka <jh@suse.cz>
332 * tree.h (TREE_PROTECTED): Fix comment.
333 (BLOCK_HANDLER_BLOCK): Remove.
334 (struct tree_block): Remove handler_block add body_block.
335 (inlined_function_outer_scope_p): New.
336 (is_body_block): Remove.
337 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
338 * dwarf2out.c (is_inlined_entry_point): Remove.
339 (add_high_low_attributes): Use inlined_function_outer_scope_p.
340 (gen_block_die): Use is_inlined_entry_point check. Remove body block
342 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
343 * gimplify.c (gimplify_expr): Gimplify body blocks.
344 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
345 block with multiple subblocks.
346 (dump_scope_block): Prettier output; dump more flags and info.
347 (dump_scope_blocks): New.
348 (remove_unused_locals): Use dump_scope_blocks.
349 * tree-flow.h (dump_scope_blocks): Declare.
350 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
351 * stmt.c (is_body_block): Remove.
352 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
353 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
355 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
358 * graphite.c (graphite_loop_normal_form): Do not call
359 number_of_iterations_exit from a gcc_assert.
361 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
363 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
364 jumps if COND is NULL.
365 (find_cond_jump): New function.
366 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
367 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
369 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
371 * config/alpha/alpha.h (alpha_expand_mov): Return false if
372 force_const_mem returns NULL_RTX.
374 2009-02-26 Jan Hubicka <jh@suse.cz>
377 * cgraph.h (varpool_output_debug_info): Remove.
378 * cgraphunit.c (varpool_output_debug_info): Remove.
379 * dwarf2out.c (deferred_locations_struct): New struct
380 (deferred_locations): New type.
381 (deferred_locations_list): New static var.
382 (deffer_location): New function.
383 (gen_variable_die): Use it.
384 (decls_for_scope): Output info on local static vars.
385 (dwarf2out_finish): Process deferred locations.
386 * varpool.c (varpool_output_debug_info): Remove.
388 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
390 PR rtl-optimization/39241
391 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
392 to subreg_offset_representable_p.
394 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
396 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
397 execute function prototype. Get f and nregs from max_reg_num
398 and get_insns. Remove the first backward pass as it's dead,
399 guard the forward pass by flag_expensive_optimizations.
400 (rest_of_handle_regmove): Delete.
401 (pass_regmove): Replace it with regmove_optimize.
403 2009-02-25 Martin Jambor <mjambor@suse.cz>
405 PR tree-optimization/39259
406 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
407 calls_alloca function flags.
408 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
411 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
413 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
414 flags_set_1_rtx, flags_set_1_set): Delete.
415 (regmove_optimize): Do not call mark_flags_life_zones.
417 2009-02-24 Julian Brown <julian@codesourcery.com>
420 * config/arm/arm.c (require_pic_register): Only set
421 cfun->machine->pic_reg once per function.
423 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
425 * doc/invoke.texi (Link Options): Document an easier way to pass
426 options that take arguments to the GNU linker using -Xlinker and -Wl.
428 2009-02-24 Steve Ellcey <sje@cup.hp.com>
431 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
433 2009-02-24 Richard Guenther <rguenther@suse.de>
436 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
438 2009-02-24 Richard Guenther <rguenther@suse.de>
439 Zdenek Dvorak <ook@ucw.cz>
441 PR tree-optimization/39233
442 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
443 from converting them to a generic type.
445 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
447 PR tree-optimization/39260
448 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
449 contains a condition with a real type.
450 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
452 2009-02-23 Jason Merrill <jason@redhat.com>
455 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
456 narrowing_initializer_constant_valid_p.
457 (narrowing_initializer_constant_valid_p): Don't return
458 null_pointer_node for adding a pointer to itself.
460 2009-02-23 Jan Hubicka <jh@suse.cz>
463 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
466 2009-02-23 Jan Hubicka <jh@suse.cz>
468 PR tree-optimization/37709
469 * tree.c (block_ultimate_origin): Move here from dwarf2out.
470 * tree.h (block_ultimate_origin): Declare.
471 * dwarf2out.c (block_ultimate_origin): Move to tree.c
472 * tree-ssa-live.c (remove_unused_scope_block_p):
473 Eliminate blocks containig no instructions nor live variables nor
475 (dump_scope_block): New function.
476 (remove_unused_locals): Enable removal of dead blocks by default;
477 enable dumping at TDF_DETAILS.
479 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
481 * config/i386/i386.c (classify_argument): Don't allow COImode
483 (function_arg_advance_32): Don't allow OImode.
484 (function_arg_32): Likewise.
485 (function_value_32): Likewise.
486 (return_in_memory_32): Likewise.
487 (function_arg_64): Remove OImode comment.
489 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
492 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
493 ix86_expand_vector_set for V4DImode in 64bit mode only.
494 (ix86_expand_vector_init_one_var): Likewise.
496 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
498 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
500 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
503 * loop-iv.c: Revert last change.
504 * emit-rtl.c: Likewise.
506 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
509 * config/i386/i386.c (type_natural_mode): Remove an extra
510 space in the warning message.
511 (function_value_32): Handle 32-byte vector modes.
512 (return_in_memory_32): Likewise.
514 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
516 * loop-iv.c (truncate_value): New function.
517 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
519 (lowpart_subreg): Move to...
520 * emit-rtl.c: ...here.
522 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
524 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
525 accidental and undocumented change at revision 140860.
527 2009-02-21 Joseph Myers <joseph@codesourcery.com>
529 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
530 take gimple_seq * arguments.
531 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
532 types_compatible_p langhook.
534 2009-02-20 Mark Mitchell <mark@codesourcery.com>
535 Joseph Myers <joseph@codesourcery.com>
537 * config/arm/arm.c (arm_builtin_va_list): New function.
538 (arm_expand_builtin_va_start): Likewise.
539 (arm_gimplify_va_arg_expr): Likewise.
540 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
541 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
542 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
543 (va_list_type): New variable.
544 (arm_mangle_type): Mangle va_list_type appropriately.
546 2009-02-20 Jakub Jelinek <jakub@redhat.com>
549 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
550 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
551 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
552 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
553 parameter to 1000 for -O1 by default.
554 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
556 * loop-invariant.c: Include params.h.
557 (move_loop_invariants): Don't call move_single_loop_invariants on
560 2009-02-20 Jaka Mocnik <jaka@xlab.si>
562 * calls.c (emit_library_call_value_1): Use slot_offset instead of
563 offset when calculating bounds for indexing stack_usage_map. Fixes
564 a buffer overflow with certain target setups.
566 2009-02-20 Jakub Jelinek <jakub@redhat.com>
569 * calls.c (expand_call): Clear try_tail_call if caller and callee
570 disagree in promotion of function return value.
572 2009-02-19 Jakub Jelinek <jakub@redhat.com>
575 * c-common.c (c_determine_visibility): If visibility changed and
576 DECL_RTL has been already set, call make_decl_rtl to update symbol
579 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
582 * varasm.c (assemble_variable): Don't check DECL_NAME when
583 globalizing a variable.
585 2009-02-19 Joseph Myers <joseph@codesourcery.com>
588 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
589 expression before any __builtin_trap call.
590 * c-typeck.c (build_function_call): Convert and check function
591 arguments before generating a call to a trap. Evaluate the
592 function arguments before the trap.
594 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
597 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
598 (UNSPEC_FXAM_MEM): New unspec.
599 (fxam<mode>2_i387_with_temp): New insn and split pattern.
600 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
601 memory using fxam<mode>2_i387_with_temp to remove excess precision.
603 2009-02-19 Richard Guenther <rguenther@suse.de>
605 PR tree-optimization/39207
606 PR tree-optimization/39074
607 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
608 storedanything_tree): New.
609 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
610 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
611 (build_succ_graph): Add edges from STOREDANYTHING to all
613 (init_base_vars): Initialize STOREDANYTHING.
614 (compute_points_to_sets): Free substitution info after
615 building the succ graph.
616 (ipa_pta_execute): Likewise.
618 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
620 (do_ds_constraint): Do not add to special var or non-pointer
622 (type_could_have_pointers): Split out from ...
623 (could_have_pointers): ... here. For arrays use the element type.
624 (create_variable_info_for): Initialize may_have_pointers.
625 (new_var_info): Likewise.
626 (handle_lhs_call): Make the HEAP variable unknown-sized.
627 (intra_create_variable_infos): Use a type with pointers for
628 PARM_NOALIAS, make it unknown-sized.
630 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
633 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
635 2009-02-18 Jason Merrill <jason@redhat.com>
638 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
639 value if DECL_EXTERNAL.
640 * tree-sra.c (sra_walk_gimple_assign): Likewise.
641 * target.h (gcc_target::binds_local_p): Clarify "module".
642 * tree.h (TREE_PUBLIC): Clarify "module".
644 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
647 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
648 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
650 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
653 * c.opt (Wabi): Support C and ObjC.
656 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
658 * config/i386/i386.c (classify_argument): Warn once about the ABI
659 change when passing union with long double.
661 * doc/invoke.texi: Update -Wabi for warning psABI changes.
663 2009-02-18 Joseph Myers <joseph@codesourcery.com>
666 * c-parser.c (c_parser_compound_statement): Always enter and leave
669 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
672 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
674 2009-02-18 Jakub Jelinek <jakub@redhat.com>
676 PR tree-optimization/36922
677 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
678 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
681 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
683 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
686 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
688 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
690 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
692 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
695 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
696 Richard Sandiford <rdsandiford@googlemail.com>
698 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
699 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
700 (loongson_biadd): ...this.
702 2009-02-17 Richard Guenther <rguenther@suse.de>
704 PR tree-optimization/39202
705 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
706 a var make sure to follow existing collapses.
708 2009-02-17 Richard Guenther <rguenther@suse.de>
711 * langhooks.c (lhd_print_error_function): Check for NULL block.
713 2009-02-17 Richard Guenther <rguenther@suse.de>
715 PR tree-optimization/39204
716 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
719 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
721 * config/soft-fp/double.h: Update from glibc CVS.
723 2009-02-17 Richard Guenther <rguenther@suse.de>
725 PR tree-optimization/39207
726 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
727 strict-aliasing warnings for pointers pointing to NULL.
729 2009-02-16 Joseph Myers <joseph@codesourcery.com>
732 * c-parser.c (c_parser_braced_init): Call pop_init_level when
733 skipping until next close brace.
735 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
738 * config/i386/i386.c (ix86_expand_push): Set memory alignment
739 to function argument boundary.
741 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
743 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
744 in the lea_add. Reload eventually constraints it properly.
745 * config/picochip/constraints.md : Remove the target constraint
746 "b", since it is not needed anymore.
748 2009-02-16 Jakub Jelinek <jakub@redhat.com>
750 * gthr-dce.h: Uglify function parameter and local variable names.
751 * gthr-gnat.h: Likewise.
752 * gthr-mipssde.h: Likewise.
753 * gthr-nks.h: Likewise.
754 * gthr-posix95.h: Likewise.
755 * gthr-posix.h: Likewise.
756 * gthr-rtems.h: Likewise.
757 * gthr-single.h: Likewise.
758 * gthr-solaris.h: Likewise.
759 * gthr-tpf.h: Likewise.
760 * gthr-vxworks.h: Likewise.
761 * gthr-win32.h: Likewise.
763 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
766 * config/i386/i386.md: Restrict the new peephole2 to move
767 between MMX/SSE registers.
769 2009-02-15 Richard Guenther <rguenther@suse.de>
772 2009-02-13 Richard Guenther <rguenther@suse.de>
774 * configure.ac: Enable LFS.
775 * configure: Re-generate.
776 * config.in: Likewise.
778 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
780 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
781 spu_srqwbyte, spu_srqwbytebc): Define.
782 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
783 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
784 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
785 "shrqby_<mode>"): New insn-and-split patterns.
786 * config/spu/spu.c (expand_builtin_args): Determine and return
787 number of operands using spu_builtin_description data.
788 (spu_expand_builtin_1): Use it.
790 2009-02-13 Steve Ellcey <sje@cup.hp.com>
793 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
796 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
799 * config/i386/i386.c (override_options): Correct warning
800 messages for -malign-loops, -malign-jumps and -malign-functions.
802 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
805 * config/i386/i386.md: Restrict the new peephole2 to move
806 between the general purpose registers.
808 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
811 * config/i386/i386.c (type_natural_mode): Add a new argument.
812 Return the original mode and warn ABI change if vector size is 32byte.
813 (function_arg_advance): Updated.
814 (function_arg): Likewise.
815 (ix86_function_value): Likewise.
816 (ix86_return_in_memory): Likewise.
817 (ix86_sol10_return_in_memory): Likewise.
818 (ix86_gimplify_va_arg): Likewise.
819 (function_arg_32): Don't warn ABX ABI change here.
820 (function_arg_64): Likewise.
822 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
824 * loop-iv.c (implies_p): In the final case, test that operands 0
825 of the two comparisons match.
827 * config/bfin/bfin.c (find_prev_insn_start): New function.
828 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
829 (find_next_insn_start): Move.
831 2009-02-13 Richard Guenther <rguenther@suse.de>
833 * configure.ac: Enable LFS.
834 * configure: Re-generate.
835 * config.in: Likewise.
837 2009-02-13 Joseph Myers <joseph@codesourcery.com>
840 * c-parser.c (c_parser_parms_list_declarator): Discard pending
841 sizes on syntax error after some arguments have been parsed.
843 2009-02-12 Jakub Jelinek <jakub@redhat.com>
845 * doc/invoke.texi (-fira): Remove.
847 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
849 * caller-save.c: Replace regclass.c with reginfo.c in comments.
853 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
855 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
856 (umul_ppmm): Likewise.
857 (count_leading_zeros): Likewise.
858 (count_trailing_zeros): Likewise.
859 (UMUL_TIME): Likewise.
861 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
863 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
864 soft-fp/t-softfp to tmake_file.
866 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
867 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
868 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
869 IA64_BUILTIN_INFQ]: New.
870 (ia64_init_builtins): Initialize __builtin_infq,
871 __builtin_fabsq and __builtin_copysignq if not HPUX.
872 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
873 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
875 * config/ia64/lib1funcs.asm (__divtf3): Define only if
877 (__fixtfti): Likewise.
878 (__fixunstfti): Likewise.
879 (__floattitf): Likewise.
881 * config/ia64/libgcc-glibc.ver: New.
882 * config/ia64/t-fprules-softfp: Likewise.
883 * config/ia64/sfp-machine.h: Likewise.
885 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
886 (LIBGCC2_TF_CEXT): Likewise.
888 (TARGET_INIT_LIBFUNCS): Likewise.
890 * config/ia64/t-glibc (SHLINB_MAPFILES):
891 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
893 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
895 * config/i386/i386.c (construct_container): Rewrite processing
896 BLKmode with X86_64_SSE_CLASS.
898 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
901 * config/i386/i386.md: Replace simplify_replace_rtx with
902 replace_rtx in the new peephole2.
904 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
906 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
907 loop unrolling do not happen at -O2.
909 2009-02-12 Michael Matz <matz@suse.de>
911 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
913 2009-02-12 Jakub Jelinek <jakub@redhat.com>
915 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
918 2009-02-12 Ben Elliston <bje@au.ibm.com>
920 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
921 patterns when updating the back chain. Missed in the 2009-02-10
924 2009-02-11 Janis Johnson <janis187@us.ibm.com>
926 * doc/extend.texi (Decimal Floating Types): Update identifier of
927 draft TR and list of missing support.
929 2009-02-11 Jakub Jelinek <jakub@redhat.com>
932 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
933 bit to variable length decl's flags, add it also to its
934 pointer replacement variable.
936 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
937 Jakub Jelinek <jakub@redhat.com>
940 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
941 (memory_blockage): New expander.
942 (*memory_blockage): New insn pattern.
943 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
944 instead of general blockage at the end of function prologue when
945 frame pointer is used to access red zone area. Do not emit blockage
946 when profiling, it is emitted in generic code.
947 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
948 function epilogue when frame pointer is used to access red zone area.
950 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
953 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
954 by arithmetic with memory operands.
955 * config/i386/predicates.md (commutative_operator): New.
957 2009-02-10 Janis Johnson <janis187@us.ibm.com>
959 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
962 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
964 * alias.h (record_alias_subset): Declare.
965 * alias.c (record_alias_subset): Make global.
967 2009-02-10 Nick Clifton <nickc@redhat.com>
969 * tree-parloops.c: Change license to GPLv3.
970 * ipa-struct-reorg.c: Change license to GPLv3.
971 * ipa-struct-reorg.h: Change license to GPLv3.
973 2009-02-10 Steve Ellcey <sje@cup.hp.com>
976 * c-decl.c (start_struct): Return NULL on error.
978 2009-02-10 Jakub Jelinek <jakub@redhat.com>
981 * cfgloopmanip.c (remove_path): Call remove_bbs after
982 cancel_loop_tree, not before it.
985 * function.h (struct function): Add has_local_explicit_reg_vars bit.
986 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
988 * tree-ssa-live.c (remove_unused_locals): Recompute
989 cfun->has_local_explicit_reg_vars.
990 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
991 copies or clearings if cfun->has_local_explicit_reg_vars.
993 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
996 * config/i386/i386.c (expand_prologue): Emit blockage at the end
997 of function prologue when frame pointer is used to access
1000 2009-02-10 Richard Guenther <rguenther@suse.de>
1003 * gimplify.c (gimple_regimplify_operands): Always look if
1004 we need to create a temporary.
1006 2009-02-10 Richard Guenther <rguenther@suse.de>
1008 PR tree-optimization/39132
1009 * tree-loop-distribution.c (todo): New global var.
1010 (generate_memset_zero): Trigger TODO_rebuild_alias.
1011 (tree_loop_distribution): Return todo.
1013 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1016 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1017 (x86_64_reg_class_name): Removed.
1018 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1019 first one isn't X86_64_SSE_CLASS or any other ones aren't
1020 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1021 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1022 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1023 and 3 X86_64_SSEUP_CLASS.
1024 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1025 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1027 2009-02-10 Ben Elliston <bje@au.ibm.com>
1029 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1030 form instruction to update the stack back chain word, even if the
1031 user has disabled the generation of update instructions.
1032 (movdi_<mode>_update_stack): New.
1033 (movsi_update_stack): Likewise.
1034 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1035 always use an update form instruction to update the stack back
1038 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1041 * graphite.c (if_region_set_false_region): After moving a region in
1042 the false branch of a condition, remove the empty dummy basic block.
1043 (gloog): Remove wrong fix for PR38953.
1045 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1047 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1048 generation due to implicit sign extension.
1050 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1053 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1054 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1056 2009-02-09 Richard Guenther <rguenther@suse.de>
1059 * convert.c (convert_to_real): Disable (float)fn((double)x)
1060 to fnf(x) conversion if errno differences may occur and
1061 -fmath-errno is set.
1063 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1065 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1066 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1067 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1069 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1072 * c-common.c (handle_alias_attribute): Disallow attribute for
1073 anything not a FUNCTION_DECL or VAR_DECL.
1075 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1078 * real.c (do_compare): Special-case compare of zero against
1079 decimal float value.
1081 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1084 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1085 as indicating flexible array members unless the field itself is
1086 being declarared as the incomplete array.
1088 2009-02-06 Jan Hubicka <jh@suse.cz>
1090 PR tree-optimization/38844
1091 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1094 2009-02-06 Richard Guenther <rguenther@suse.de>
1097 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1098 fork because we may expand it as __gcov_fork.
1100 2009-02-06 Nick Clifton <nickc@redhat.com>
1102 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1104 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1106 PR tree-optimization/35659
1107 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1108 vn_phi_eq): Shortcut if hashcode does not match.
1109 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1111 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1112 and avoid iterative_hash_expr.
1113 (FOR_EACH_VALUE_ID_IN_SET): New.
1114 (value_id_compare): Remove.
1115 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1116 sort expressions by value id.
1118 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1121 * config/sh/predicates.md (general_movsrc_operand): Don't check
1122 the subreg of system registers here.
1124 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1127 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1130 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1132 PR rtl-optimization/39110
1133 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1134 addresses, not aligned ones.
1136 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1137 Richard Guenther <rguenther@suse.de>
1139 PR tree-optimization/39100
1140 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1141 comment says and add edges.
1143 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1146 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1147 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1149 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1151 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1152 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1153 register_bb_in_sese, new_sese, free_sese): Moved.
1154 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1155 outermost_loop_in_scop, build_scop_iteration_domain,
1156 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1157 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1158 Use loop_in_sese_p instead of loop_in_scop_p.
1159 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1160 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1161 (scopdet_basic_block_info): Fix bug in scop detection.
1162 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1163 eq_loop_to_cloog_loop): Remove.
1164 (nb_loops_around_loop_in_scop, nb_loop
1165 ref_nb_loops): Moved here...
1166 * graphite.h (ref_nb_loops): ... from here.
1167 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1168 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1169 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1170 * testsuite/gcc.dg/graphite/scop-19.c: New
1172 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1173 Hans-Peter Nilsson <hp@axis.com>
1175 PR rtl-optimization/37889
1176 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1177 Move offset handling from PLUS to before the switch. Use new
1178 arguments when considering SYMBOL_REFs too.
1179 (rtx_addr_can_trap_p): Pass dummy offset and size.
1180 (enum may_trap_p_flags): Remove.
1181 (may_trap_p_1): Pass size from MEM_SIZE.
1183 PR rtl-optimization/38921
1184 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1185 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1186 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1187 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1189 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1191 AVX Programming Reference (January, 2009)
1192 * config/i386/sse.md (*vpclmulqdq): New.
1194 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1196 PR tree-optimization/38977
1197 PR gcov-profile/38292
1198 * calls.c (special_function_p): Disregard __builtin_ prefix.
1200 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1202 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1203 non-indexable addresses even before reload.
1205 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1208 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1209 as having variable size. Do not give an error for unnamed
1210 parameters with [*] declarators. Give a warning for type names
1211 with [*] declarators and mark them as variable size.
1212 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1213 for sizeof applied to [*] type names.
1215 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1218 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1220 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1222 * gcc.c (process_command): Update copyright notice dates.
1223 * gcov.c (print_version): Likewise.
1224 * gcov-dump.c (print_version): Likewise.
1225 * mips-tfile.c (main): Likewise.
1226 * mips-tdump.c (main): Likewise.
1228 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1231 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1232 for composite type involving a zero-length array type.
1234 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1237 * function.c (match_asm_constraints_1): Skip over
1238 initial optional % in the constraint.
1241 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1242 supported, don't accept FIXED_CSTs.
1243 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1244 and _Sat is used without _Fract/_Accum. Set specs->type to
1245 integer_type_node for cts_fract/cts_accum if fixed point is not
1248 2009-02-02 Catherine Moore <clm@codesourcery.com>
1250 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1252 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1254 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1255 (ABI_HAS_64BIT_SYMBOLS): Use it.
1256 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1258 2009-02-02 Paul Brook <paul@codesourcery.com>
1260 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1262 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1265 * recog.h (asm_operand_ok): Add constraints argument.
1266 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1267 recurse on matching constraint.
1268 (check_asm_operands): Pass constraints as 3rd argument to
1269 asm_operand_ok. Don't look up matching constraint here.
1270 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1273 2009-02-02 Ben Elliston <bje@au.ibm.com>
1275 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1276 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1278 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1280 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1281 information. Remove some obsolete information. Reorganize.
1283 * config/pa/fptr.c: Revert license to GPL 2.
1284 * config/pa/milli64.S: Likewise.
1286 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1289 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1290 LIBRARY name in, instead of hard-coding it.
1291 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1292 extra target make frag to tmake_files according to EH model.
1293 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1294 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1295 frags that define makefile variable EH_MODEL appropriately.
1296 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1297 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1298 to "-sjlj" according to type of EH configured.
1299 (LIBGCC_SONAME): Concatenate it to shared library base name.
1300 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1301 to "_sjlj" according to type of EH configured.
1302 (LIBGCC_SONAME): Concatenate it to shared library base name.
1303 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1304 (SHLIB_LINK): Add missing semicolon to if-else construct.
1305 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1306 string value of "pe_dll" command-line option.
1307 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1308 (SHLIB_SONAME): Use it when overriding t-cygming default.
1309 (SHLIB_IMPLIB): Override t-cygming default.
1310 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1311 string value of "pe_dll" command-line option.
1313 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1316 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1317 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1319 2009-01-31 Richard Guenther <rguenther@suse.de>
1321 PR tree-optimization/38937
1322 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1323 computing the transitive closure.
1325 2009-01-30 Richard Guenther <rguenther@suse.de>
1327 PR tree-optimization/39041
1328 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1329 Propagate variable indices only if the types match for this stmt.
1331 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1334 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1335 inline but never defined.
1337 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1339 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1340 (*insv_h_di_reg_extimm): New insn.
1341 (*insv_l<mode>_reg_extimm): New insn.
1343 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1345 * config/picochip/picochip.c (flag_conserve_stack): set
1346 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1347 fconserve-stack. Reduce call-overhead used by inliner.
1349 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1352 * common.opt (flag_conserve_stack): Initialised to zero.
1354 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1357 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1358 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1361 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1363 * ira-color.c (allocno_reload_assign): Update comments.
1364 * regmove.c (regmove_optimize): Likewise.
1368 2009-01-29 Robert Millan <rmh@aybabtu.com>
1370 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1371 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1372 `MD_UNWIND_SUPPORT'.
1373 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1375 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1377 PR tree-optimization/39007
1378 * tree-loop-distribution.c (generate_builtin): Use
1379 recompute_dominator to compute the immediate dominator of the
1380 basic block just after the loop.
1382 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1384 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1385 (ASM_OUTPUT_DWARF_PCREL): Define.
1387 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1389 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1390 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1391 global. Modify entries about regmove and IRA.
1393 * ra-conflict.c: Remove the file.
1395 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1397 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1398 (pass_regclass_init): Rename to pass_reginfo_init.
1400 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1402 * toplev.h (flag_ira): Remove.
1404 * caller-save.c (setup_save_areas): Remove flag_ira.
1406 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1408 * global.c: Remove the file.
1410 * opts.c: (decode_options): Remove flag_ira.
1412 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1414 * regmove.c: Modify file description.
1415 (find_use_as_address, try_auto_increment): Define them only if
1416 AUTO_INC_DEC is defined.
1417 (replacement_quality, replace_in_call_usage, fixup_match_1,
1418 stable_and_no_regs_but_for_p): Remove.
1419 (reg_set_in_bb): Make it static.
1420 (regmove_optimize): Remove flag_ira and code which worked for
1423 * local-alloc.c: Remove the file.
1425 * common.opt (fira): Remove.
1427 * ira.c: Include except.h.
1428 (eliminable_regset): Move from global.c.
1429 (mark_elimination): Ditto. Remove flag_ira.
1430 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1431 equiv_mem_modified, validate_equiv_mem_from_store,
1432 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1433 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1434 no_equiv, recorded_label_ref): Move from local-alloc.c.
1435 (update_equiv_regs): Ditto. Make it static.
1436 (print_insn_chain, print_insn_chains): Move it from global.c.
1437 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1438 (build_insn_chain): Ditto. Make it static.
1439 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1440 Rename to init_live_subregs.
1441 (gate_ira): Remove flag_ira.
1443 * regclass.c: Rename reginfo.c. Change file description.
1444 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1445 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1446 (init_reg_sets_1): Remove code for evaluation of
1447 reg_class_superclasses and losing_caller_save_reg_set.
1448 (init_regs): Remove init_reg_autoinc.
1449 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1450 ok_for_base_p_nonstrict): Remove.
1451 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1452 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1453 corresponding entries.
1454 (dump_regclass, record_operand_costs, scan_one_insn,
1455 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1456 record_address_regs, auto_inc_dec_reg_p): Remove.
1457 (gt-regclass.h): Rename to gt-reginfo.h.
1459 * rtl.h (dump_global_regs, retry_global_alloc,
1460 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1462 * Makefile.in (RA_H): Remove.
1463 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1464 Rename regclass.o to reginfo.o.
1465 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1467 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1468 (GTFILES): Rename regclass.c to reginfo.c.
1470 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1471 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1473 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1474 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1476 (finish_spills): Ditto. Remove code for !flag_ira.
1478 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1481 * doc/invoke.texi (rtl debug options): Complete rewrite.
1482 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1484 * mode-switching.c (pass_mode_switching): Rename pass from
1485 "mode-sw" to "mode_sw".
1486 * except.c (pass_convert_to_eh_ranges): Rename pass from
1487 "eh-ranges" to "eh_ranges".
1488 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1492 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1493 Alexander Monakov <amonakov@ispras.ru>
1496 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1498 (move_exprs_to_boundary): Change return type and pass through
1499 should_move from move_op. Relax assert. Update usage ...
1500 (schedule_expr_on_boundary): ... here. Use should_move instead of
1502 (move_op_orig_expr_found): Indicate that insn was disconnected from
1504 (code_motion_process_successors): Do not call after_merge_succs
1505 callback if original expression was not found when traversing any of
1507 (code_motion_path_driver): Change return type. Update prototype.
1508 (move_op): Update comment. Add a new parameter (should_move). Update
1509 prototype. Set *should_move based on indication provided by
1510 move_op_orig_expr_found.
1512 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1514 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1515 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1516 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1517 * config/rs6000/rs6000.c (rs6000_override_options): Default
1518 avoid-indexed-addresses on for Power6, off for everything else.
1519 (avoiding_indexed_address_p): New function.
1520 (rs6000_legitimize_address): Use it.
1521 (rs6000_legitimate_address): Likewise.
1522 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1524 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1526 PR tree-optimization/38997
1527 * tree-loop-distribution.c (generate_memset_zero): Use
1528 POINTER_PLUS_EXPR for a pointer addition.
1530 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1532 * config/s390/s390.md (bswap<mode>2): New pattern added.
1534 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1536 * config/s390/s390.md (*tls_load_31): Added type attribute.
1538 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1540 * config/s390/s390.md: Fix a few comments.
1542 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1544 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1545 (*tm<mode>_full): Fixed z10prop attribute.
1546 (*tst<mode>_extimm): Fixed z10prop attribute.
1547 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1548 (*tstqiCCT_cconly): Fixed z10prop attribute.
1549 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1550 (*movsi_larl): Fixed z10prop attribute.
1551 (*movsi_zarch): Fixed z10prop attribute.
1552 (*movsi_eas): Fixed z10prop attribute.
1553 (*movhi): Fixed z10prop attribute.
1554 (*movqi): Fixed z10prop attribute.
1555 (*movstrictqi): Fixed z10prop attribute.
1556 (*mov<mode>): Fixed z10prop attribute.
1557 (*movcc): Fixed z10prop attribute.
1558 (*sethighpartdi_64): Fixed z10prop attribute.
1559 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1560 (*negdi2_sign_cc): Fixed z10prop attribute.
1561 (*negdi2_sign): Fixed z10prop attribute.
1562 (*absdi2_sign_cc): Fixed z10prop attribute.
1563 (*absdi2_sign): Fixed z10prop attribute.
1564 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1565 (*negabsdi2_sign): Fixed z10prop attribute.
1566 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1567 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1568 (doloop_si64): Fixed z10prop attribute.
1569 (doloop_si31): Fixed z10prop attribute.
1570 (doloop_long): Fixed z10prop attribute.
1571 (indirect_jump): Fixed z10prop attribute.
1572 (nop): Fixed z10prop attribute.
1573 (main_base_64): Fixed z10prop attribute.
1574 (reload_base_64): Fixed z10prop attribute.
1576 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1578 PR rtl-optimization/38740
1579 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1581 * config/mips/mips.c (mips_reorg): Likewise.
1583 2009-01-28 Richard Guenther <rguenther@suse.de>
1585 PR tree-optimization/38926
1586 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1587 with the correct value id to a value.
1588 (do_regular_insertion): Use the value number of edoubleprime
1589 for the value number of the expr.
1592 2008-08-21 Richard Guenther <rguenther@suse.de>
1594 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1595 a PHI ask VN if it is already available.
1596 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1597 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1599 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1602 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1603 set to varying whenever max has TREE_OVERFLOW set, similarly
1604 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1606 2009-01-28 Richard Guenther <rguenther@suse.de>
1609 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1610 uninitialized aggregate uses in call arguments.
1612 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1614 PR tree-optimization/38984
1615 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1616 the nothing_id variable if -fno-delete-null-pointer-checks.
1618 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1621 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1622 (set_got_offset_rex64): Ditto.
1624 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1627 * doc/extend.texi: Improve local variable with asm reg.
1629 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1631 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1632 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1633 was not supplied then set warn_packed_bitfield_compat to the
1635 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1638 2009-01-27 Richard Guenther <rguenther@suse.de>
1640 PR tree-optimization/38503
1641 * cfgexpand.c (expand_gimple_basic_block): Ignore
1642 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1643 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1644 variables that cannot have TBAA applied.
1645 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1648 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1651 * calls.c (initialize_argument_information): Do not wrap complex
1652 arguments in SAVE_EXPR.
1654 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1656 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1657 (INSTALL_LIBGCC): Revert typo commit.
1659 2009-01-26 Richard Guenther <rguenther@suse.de>
1661 PR tree-optimization/38745
1662 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1663 from special handling.
1665 2009-01-26 Richard Guenther <rguenther@suse.de>
1667 PR tree-optimization/38745
1668 * tree-ssa.c (execute_update_addresses_taken): Do not include
1669 variables that cannot possibly be a register in not_reg_needs.
1670 Do not clear TREE_ADDRESSABLE on vars that may not become
1672 * tree-ssa.c (update_alias_info_1): Include those in the set
1673 of addressable vars.
1675 2009-01-26 Richard Guenther <rguenther@suse.de>
1678 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1679 * tree-ssa-dse.c: Include langhooks.h
1680 (execute_simple_dse): Remove stores with zero size.
1682 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1685 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1688 2009-01-24 Julian Brown <julian@codesourcery.com>
1690 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1691 config/arm/linux-atomic.c.
1692 * config/arm/linux-atomic.c: New.
1694 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1696 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1697 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1698 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1700 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1703 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1706 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1708 PR tree-optimization/38953
1709 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1710 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1711 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1712 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1715 2009-01-24 Paul Brook <paul@codesourcery.com>
1717 * config/arm/neon.md (neon_type): Move to arm.md.
1718 (neon_mov<VSTRUCT>): Add neon_type attribute.
1719 * config/arm/arm.md (neon_type): Move to here.
1720 (conds): Add "unconditioal" and use as default for NEON insns.
1722 2009-01-24 Ben Elliston <bje@au.ibm.com>
1724 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1725 void *' warning from -Wc++-compat.
1726 * Makefile.in (dominance.o-warn): Remove.
1728 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1730 PR tree-optimization/38932
1731 * fold-const.c (fold_unary_ignore_overflow): New.
1732 * tree.h (fold_unary_ignore_overflow): Declare.
1733 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1734 * tree-ssa-sccvn.c (visit_reference_op_load,
1735 simplify_unary_expression): Likewise.
1737 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1739 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1740 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1741 regardless of their type.
1742 * c-common.c (handle_packed_attribute): Don't ignore packed on
1744 * c.opt (Wpacked-bitfield-compat): New warning option.
1745 * stor-layout.c (place_field): Warn if offset of a field changed.
1746 * doc/extend.texi (packed): Mention the ABI change.
1747 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1748 (Warning Options): Add it to the list.
1750 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1752 * c-opts.c (c_common_post_options): Fix a typo in comments.
1754 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1757 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1758 variables to static.
1759 * doc/invoke.texi (-fmerge-all-constants): Update description.
1761 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1764 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1765 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1767 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1769 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1771 (LOCAL_ALIGNMENT): Similarly.
1773 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1774 Joseph Myers <joseph@codesourcery.com>
1776 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1777 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1778 * config/arm/arm-tune.md: Regenerate.
1779 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1782 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1784 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1785 version number to five.
1787 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1790 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1791 * c-common.c (set_underlying_type): Likewise.
1792 (is_typedef_decl ): Likewise
1794 (set_underlying_type): Likewise.
1795 (is_typedef_type): Likewise.
1797 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1800 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1803 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1806 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1807 (LIBGCC_SPEC): Don't define.
1808 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1810 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1812 PR rtl-optimization/38879
1813 * alias.c (base_alias_check): Unaligned access via AND address can
1814 alias all surrounding object types except those with sizes equal
1815 or wider than the size of unaligned access.
1817 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1820 * c-decl.c: (clone_underlying_type): Move this ...
1821 * c-common.c (set_underlying_type): ... here.
1822 Also, make sure the function properly sets TYPE_STUB_DECL() on
1823 the newly created typedef variant type.
1824 (is_typedef_decl ): New entry point.
1825 * tree.h: Added a new member member_types_needing_access_check to
1826 struct tree_decl_non_common.
1827 (set_underlying_type): New entry point.
1828 (is_typedef_type): Likewise.
1830 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1832 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1833 Check whether two instructions have memory references that
1834 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1835 are helper functions for traversing.
1836 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1837 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1838 not to draw dependency edge for instructions with non-conflicting
1841 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1844 * longlong.h: Update copyright years. Use soft-fp license notice.
1845 Sync __clz_tab declaration with glibc.
1847 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1850 * doc/extend.texi (syscall_linkage): New.
1851 (version_id): Modify.
1853 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1854 Richard Guenther <rguenther@suse.de>
1856 PR tree-optimization/38747
1857 PR tree-optimization/38748
1858 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1859 conversion if the base address is an indirect reference and the
1860 aliasing sets could cause issues.
1862 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1864 * common.opt (fgraphite, fgraphite-identity): Add comment for
1865 explaining why these options are not documented.
1867 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1869 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1870 gimple_call_lhs is NULL.
1872 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1875 * emit-rtl.c (adjust_address_1): Make sure memref is never
1878 2009-01-20 Ben Elliston <bje@au.ibm.com>
1880 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1881 const qualifier from arg parameter. Remove unnecessary cast to char *.
1882 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1883 const qualifier from arg 2.
1885 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1887 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1889 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1892 * rtl.h (reinit_regs): New prototype.
1893 * regclass.c: Include ira.h.
1895 * Makefile.in (regclass.o): Add ira.h.
1896 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1898 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1901 * c-common.c (handle_aligned_attribute): Use
1902 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1903 default alignment value.
1905 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1907 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1908 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1910 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1911 __BIGGEST_ALIGNMENT__.
1913 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1915 2009-01-18 Richard Guenther <rguenther@suse.de>
1917 PR tree-optimization/38819
1918 * tree-flow.h (operation_could_trap_helper_p): Declare.
1919 * tree-eh.c (operation_could_trap_helper_p): Export.
1920 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1921 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1922 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1923 are about to insert a possibly trapping instruction and fail
1926 2009-01-18 Andreas Schwab <schwab@suse.de>
1928 * doc/install.texi (Configuration): Remove obsolete paragraph
1929 about use of --with-gnu-ld with --with-gnu-as.
1931 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1933 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1934 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1935 Follow spelling conventions.
1937 2009-01-18 Ben Elliston <bje@au.ibm.com>
1939 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1940 C++ warning about implicit conversion from void * to struct
1942 (bitmap_obstack_free): Likewise for bitmap_element *.
1943 * Makefile.in (bitmap.o-warn): Remove.
1945 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1947 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1949 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1950 Tobias Grosser <tobi.grosser@amd.com>
1952 * graphite.c (graphite_trans_scop_block): Do not block single
1955 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1957 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1958 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1959 test with assertion.
1961 2009-01-16 Richard Guenther <rguenther@suse.de>
1963 PR tree-optimization/38835
1965 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1966 and INT + PTR -> (INT)(PTR p+ INT) folding.
1967 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1969 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1972 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1973 the subreg from a lowpart subreg if it is also casting the value.
1975 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1976 Tobias Grosser <tobi.grosser@amd.com>
1978 * graphite.c (compare_prefix_loops): New.
1979 (build_scop_canonical_schedules): Rewritten.
1980 (graphite_transform_loops): Move build_scop_canonical_schedules
1981 after build_scop_iteration_domain.
1983 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1984 Tobias Grosser <tobi.grosser@amd.com>
1986 * graphite.c (add_conditions_to_domain): Add the loops to
1987 the dimension of the iteration domain. Do copy the domain
1988 only when it exists.
1989 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1990 (add_conditions_to_constraints): New.
1991 (can_generate_code_stmt, can_generate_code): Removed.
1992 (gloog): Do not call can_generate_code.
1993 (graphite_transform_loops): Call add_conditions_to_constraints
1994 after building the iteration domain.
1996 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1998 PR tree-optimization/38789
1999 * tree-ssa-threadedge.c
2000 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2001 __builtin_constant_p.
2003 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2005 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2006 examined before deleting them.
2008 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2010 * function.c (aggregate_value_p): Correctly extract the function
2011 type from CALL_EXPR_FN lookup.
2013 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2015 * config/picochip/picochip.c (picochip_override_options): Revert
2016 CFI asm flag disable commited previously.
2018 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2019 Tobias Grosser <tobi.grosser@amd.com>
2020 Jan Sjodin <jan.sjodin@amd.com>
2022 * graphite.c (scan_tree_for_params): On substractions negate
2023 all the coefficients of the term.
2024 (clast_to_gcc_expression_red): New. Handle reduction expressions
2025 of more than two operands.
2026 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2027 (get_vdef_before_scop): Handle also the case of default definitions.
2029 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2031 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2032 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2033 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2035 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2036 Joey Ye <joey.ye@intel.com>
2039 * cfgexpand.c (expand_stack_alignment): Don't update stack
2040 boundary nor check incoming stack boundary here.
2041 (gimple_expand_cfg): Update stack boundary and check incoming
2042 stack boundary here.
2044 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2046 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2048 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2050 PR rtl-optimization/38245
2051 * calls.c (expand_call): Add stack arguments to
2052 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2053 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2054 in regs and partially in memory or BLKmode arguments.
2055 (emit_library_call_value_1): Add stack arguments to
2056 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2057 ACCUMULATE_OUTGOING_ARGS).
2058 * dce.c: Include tm_p.h.
2059 (find_call_stack_args): New function.
2060 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2062 (mark_insn): Call find_call_stack_args for CALL_Ps.
2063 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2064 forwards. Allocate and free arg_stores bitmap if needed, pass it
2065 down to deletable_insn_p, don't mark stores set in arg_stores
2066 bitmap, clear the bitmap at the beginning of each bb.
2067 * Makefile.in (dce.o): Depend on $(TM_P_H).
2069 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2072 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2073 to make sure the insn is a conditional test (bug 22599). Reformat a
2076 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2079 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2080 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2081 (gloog): Do not call cleanup_tree_cfg.
2082 (graphite_transform_loops): Call cleanup_tree_cfg after all
2083 scops have been code generated.
2085 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2086 * doc/gty.texi (Invoking the garbage collector): Added new node
2087 and section documenting ggc_collect.
2089 2009-01-14 Richard Guenther <rguenther@suse.de>
2091 PR tree-optimization/38826
2093 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2094 initialization notes only if we actually emitted a warning.
2095 (intra_create_variable_infos): Add constraints for a result decl
2096 that is passed by hidden reference.
2097 (build_pred_graph): Mark all related variables non-direct on
2100 2009-01-14 Nick Clifton <nickc@redhat.com>
2102 * ira-conflicts.c: Include addresses.h for the definition of
2104 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2105 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2107 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2110 * Makefile.in (ira-lives.o): Add except.h.
2112 * ira-lives.c: Include except.h.
2113 (process_bb_node_lives): Process can_throw_internal.
2115 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2117 PR rtl-optimization/38774
2118 * combine.c (simplify_set): When undoing cc_use change, don't do
2119 PUT_CODE on the newly created comparison, but instead put back the
2122 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2124 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2125 values. Remove duplicate arm8 entry.
2127 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2129 PR tree-optimization/38786
2130 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2131 the SSA_NAME case of expand_scalar_variables_expr.
2132 Set the type of an expression to the type of its assign statement.
2133 (expand_scalar_variables_expr): Also gather the scalar computation
2134 used to index the memory access. Do not pass loop_p.
2135 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2136 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2137 the gimple_stmt_iterator where it inserts new code.
2139 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2140 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2142 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2144 * graphite.h (debug_value): Removed.
2145 * graphite.c (debug_value): Removed.
2147 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2149 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2150 ldrd/strd with two 32-bit instructions.
2152 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2154 * config/arm/arm.c (struct processors): Pass for speed down into
2155 cost helper functions.
2156 (const_ok_for_op): Handle COMPARE and inequality nodes.
2157 (arm_rtx_costs_1): Rewrite.
2158 (arm_size_rtx_costs): Update prototype.
2159 (arm_rtx_costs): Pass speed down to helper functions.
2160 (arm_slowmul_rtx_costs): Rework cost calculations.
2161 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2162 (arm_9e_rtx_costs): Likewise.
2164 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2166 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2167 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2168 (alpha_legitimize_address): Do not split local symbols wider than
2169 UNITS_PER_WORD into HIGH/LO_SUM parts.
2171 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2174 * gcc.c (process_command): Replace call to execvp with calls
2175 to pex_one and exit.
2177 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2180 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2181 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2182 variant for devices with 3-byte PC.
2183 (__tablejump_elpm__) : New.
2185 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2188 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2189 offsetof member-designator, handle it as `[0].'.
2191 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2193 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2194 function when not using named sections on targets with named sections
2195 if branch distance is less than 262132.
2197 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2199 * combine.c (combine_instructions): Recompute
2200 optimize_this_for_speed_p for each BB in the main combine loop.
2202 2009-01-12 Tomas Bily <tbily@suse.cz>
2205 * tree-loop-distribution.c (prop_phis): New function.
2206 (generate_builtin): Call prop_phis.
2207 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2209 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2211 PR tree-optimization/38807
2212 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2213 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2215 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2217 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2218 subreg of op0 to the original op0.
2220 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2222 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2224 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2227 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2228 starting with digits.
2230 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2233 * config/arm/arm.c (arm_is_long_call_p): Don't call
2234 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2236 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2238 * regrename.c (regrename_optimize): Fix dumping.
2239 (find_oldest_value_reg): Preserve REG_POINTER.
2240 (copy_hardreg_forward_1): Likewise.
2242 2009-01-09 Diego Novillo <dnovillo@google.com>
2244 * gimple.h (struct gimple_statement_base) <uid>: Document
2245 the restrictions on its use.
2247 (gimple_set_uid): Tidy.
2249 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2251 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2252 zero guard even if align_bytes != 0 and count is smaller than
2255 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2257 PR rtl-optimization/38495
2258 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2259 (add_range_and_copies_from_move_list): Print all added ranges.
2260 Add ranges to memory optimized destination.
2262 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2266 * config/i386/i386.c (override_options): Reject
2267 -mstringop-strategy=rep_8byte with -m32.
2268 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2269 to 1. Do count comparison against epilogue_size_needed at compile
2270 time even when count_exp was constant forced into register. For
2271 size_needed don't jump to epilogue, instead just avoid aligning
2272 and invoke the body algorithm. If need_zero_guard, add zero guard
2273 even if count is non-zero, but smaller than size_needed + number of
2274 bytes that could be stored for alignment.
2275 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2276 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2277 but smaller than size_needed + number of bytes that could be stored
2278 for alignment. Compare size_needed with epilogue_size_needed instead
2279 of desired_align - align, don't adjust size_needed, pass
2280 epilogue_size_needed to the epilogue expanders.
2283 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2285 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2287 * pa.c (last_address): Change to unsigned.
2288 (update_total_code_bytes): Change argument to unsigned. Don't
2289 check if insn addresses are set.
2290 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2291 addresses are not set.
2292 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2294 2009-01-09 Nick Clifton <nickc@redhat.com>
2296 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2297 DECL_DECLARED_INLINE_P.
2299 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2302 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2303 GET_MODE (op0) in operand_subword_force calls.
2306 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2307 fold_convert arg0 operands to TREE_TYPE (op0) first.
2309 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2311 * params.def (ira-max-conflict-table-size): Decrease default value
2314 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2316 PR tree-optimization/37031
2317 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2319 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2320 allocate it using gc instead of heap, use VEC_quick_push instead of
2322 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2323 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2324 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2325 allocated vector from heap allocated.
2326 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2327 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2328 vector only after perfect_loop_nest_depth call.
2330 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2331 Jan Sjodin <jan.sjodin@amd.com>
2333 PR tree-optimization/38559
2334 * graphite.c (debug_value, copy_constraint,
2335 swap_constraint_variables, scale_constraint_variable, ): New.
2336 (get_lower_bound, get_upper_bound): Removed.
2337 (graphite_trans_bb_strip_mine): Clean up this code that works
2338 only for constant number of iterations. Fully copy upper and
2339 lower bound constraints, not only the constant part of them.
2340 * graphite.h (debug_value): Declared.
2342 2009-01-08 Ira Rosen <irar@il.ibm.com>
2344 PR tree-optimization/37194
2345 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2346 Don't add the cost of cost model guard in prologue to scalar
2347 outside cost in case of known number of iterations.
2349 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2350 Alan Modra <amodra@bigpond.net.au>
2352 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2353 non-word-aligned REG+CONST addressing.
2355 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2358 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2359 free_after_compilation when outputting a thunk.
2360 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2361 Do not call free_after_compilation here.
2363 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2365 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2366 (ix86_valid_target_attribute_inner_p): Ditto.
2368 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2370 PR tree-optimization/38492
2371 PR tree-optimization/38498
2372 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2373 * tree-chrec.h (scev_is_linear_expression): Declared.
2374 * graphite.c (graphite_cannot_represent_loop_niter): New.
2375 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2376 (graphite_loop_normal_form): Use gcc_assert.
2377 (scan_tree_for_params): Use CASE_CONVERT.
2378 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2379 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2380 Use gcc_assert. Discard scops that contain unhandled cases.
2381 (build_scop_conditions): Return a boolean status for unhandled cases.
2382 (strip_mine_profitable_p): Print the loop number, not its depth.
2383 (is_interchange_valid): Pass the depth of the loop nest, don't
2384 recompute it wrongly.
2385 (graphite_trans_bb_block): Same.
2386 (graphite_trans_bb_block): Print tentative of loop blocking.
2387 (graphite_trans_scop_block): Do not print that the loop has been
2389 (graphite_transform_loops): Do not handle scops that contain condition
2392 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2394 AVX Programming Reference (December, 2008)
2395 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2396 (_mm256_stream_pd): Likewise.
2397 (_mm256_stream_ps): Likewise.
2399 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2400 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2401 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2402 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2403 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2404 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2405 (ix86_expand_special_args_builtin): Likewise.
2407 * config/i386/sse.md (AVXMODEDI): New.
2408 (avx_movnt<mode>): Likewise.
2409 (avx_movnt<mode>): Likewise.
2410 (<sse>_movnt<mode>): Remove AVX support.
2411 (sse2_movntv2di): Likewise.
2413 2009-01-07 Richard Guenther <rguenther@suse.de>
2416 * fold-const.c (extract_muldiv): Remove obsolete comment.
2417 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2418 to PLUS_EXPR canonicalization for the canonicalization.
2420 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2422 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2423 hosted cross-compilers generating less efficient code.
2425 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2427 * function.h (rtl_data): Add a dbr_scheduled_p field.
2428 * reorg.c (dbr_schedule): Set it.
2429 (gate_handle_delay_slots): Check it.
2430 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2431 (mips_reorg): Check flag_delayed_branch instead of
2432 mips_base_delayed_branch.
2433 (mips_override_options): Don't set mips_base_delayed_branch
2434 or flag_delayed_branch.
2436 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2438 PR rtl-optimization/38426.
2439 * ira.c (ira): Set current_function_is_leaf earlier.
2441 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2443 PR rtl-optimization/38722
2444 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2445 too early, only set a flag and modify after last possible
2448 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2451 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2452 * real.c (decimal_single_format): Correct values of emin and emax.
2453 (decimal_double_format): Ditto.
2454 (decimal_quad_format): Ditto.
2455 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2456 computation of DECnn_MIN and DECnn_MAX for corrected values of
2457 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2458 __DECnn_MIN__, and adjust its computation for the corrected value
2461 2009-01-06 Jan Hubicka <jh@suse.cz>
2464 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2466 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2468 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2469 Add Robert Clark to the list of testers.
2471 2009-01-06 Jan Hubicka <jh@suse.cz>
2472 Kai Tietz <kai.tietz@onevision.com>
2474 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2475 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2477 2009-01-06 Jan Hubicka <jh@suse.cz>
2478 Kai Tietz <kai.tietz@onevision.com>
2480 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2482 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2483 (ix86_nsaved_regs): Count only general purpose regs.
2484 (ix86_nsaved_sseregs): New.
2485 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2486 to 16 for w64; compute padding and size of sse reg save area.
2487 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2488 general purpose regs.
2489 (ix86_emit_save_sse_regs_using_mov): New.
2490 (ix86_expand_prologue): Save SSE regs if needed.
2491 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2492 (ix86_emit_restore_sse_regs_using_mov): New.
2493 (ix86_expand_epilogue): Save SSE regs if needed.
2495 2009-01-06 Jan Hubicka <jh@suse.cz>
2496 Kai Tietz <kai.tietz@onevision.com>
2498 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2499 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2500 functions when accumulate outgoing args is off.
2502 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2505 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2506 before using pseudos_have_intersected_live_ranges_p.
2508 * ira-int.h (ira_assert): Always define.
2510 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2512 AVX Programming Reference (December, 2008)
2513 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2514 (_mm256_permute2_pd): Likewise.
2515 (_mm_permute2_ps): Likewise.
2516 (_mm256_permute2_ps): Likewise.
2517 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2518 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2520 * config/i386/i386.c (ix86_builtins): Remove
2521 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2522 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2523 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2524 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2525 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2526 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2527 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2528 __builtin_ia32_vpermil2ps256.
2529 (ix86_init_mmx_sse_builtins): Updated.
2530 (ix86_expand_args_builtin): Likewise.
2532 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2534 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2535 long absolute calls when generating PA 2.0 code.
2537 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2539 PR rtl-optimization/38583
2540 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2542 * params.def (ira-max-conflict-table-size): New.
2544 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2546 * ira.h (ira_conflicts_p): New external definition.
2548 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2549 table. Report this. Return result of building.
2550 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2551 building conflict table.
2553 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2554 (ira_color): Use ira_conflicts_p.
2556 * global.c: Include ira.h.
2557 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2560 * Makefile.in (global.o): Add ira.h.
2562 * ira-build.c (mark_all_loops_for_removal,
2563 propagate_some_info_from_allocno): New.
2564 (remove_unnecessary_allocnos): Call
2565 propagate_some_info_from_allocno.
2566 (remove_low_level_allocnos): New.
2567 (remove_unnecessary_regions): Add parameter. Call
2568 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2569 parameter to remove_unnecessary_regions.
2570 (ira_build): Remove all regions but root if the conflict table was
2571 not built. Update conflict hard regs for allocnos crossing calls.
2573 * ira.c (ira_conflicts_p): New global.
2574 (ira): Define and use ira_conflicts_p.
2576 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2577 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2578 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2580 2009-01-06 Ben Elliston <bje@au.ibm.com>
2582 * gengtype-lex.l (YY_NO_INPUT): Define.
2584 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2587 * c-common.c (handle_vector_size_attribute): Also reject
2590 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2592 PR tree-optimization/38492
2593 * graphite.c (rename_map_elt, debug_rename_elt,
2594 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2595 rename_map_elt_info, eq_rename_map_elts,
2596 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2597 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2598 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2599 (sese_build_livein_liveouts): New.
2600 (new_sese, free_sese): New.
2601 (new_scop): Call new_sese.
2602 (free_scop): Call free_sese.
2603 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2604 (register_old_new_names): Renamed register_old_and_new_names.
2605 (register_scop_liveout_renames, add_loop_exit_phis,
2606 insert_loop_close_phis, struct igp,
2607 default_liveout_before_guard, add_guard_exit_phis,
2608 insert_guard_phis, copy_renames): New.
2609 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2610 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2611 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2612 (scop_adjust_phis_for_liveouts): New.
2613 (gloog): Call scop_adjust_phis_for_liveouts.
2615 * graphite.h (struct sese): Documented. Added fields liveout,
2617 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2618 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2619 (struct scop): Added field liveout_renames.
2620 (SCOP_LIVEOUT_RENAMES): New.
2622 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2624 PR tree-optimization/38510
2625 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2626 (translate_clast): Call recompute_all_dominators before
2628 (gloog): Call recompute_all_dominators before graphite_verify.
2630 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2631 Jan Sjodin <jan.sjodin@amd.com>
2633 PR tree-optimization/38500
2634 * graphite.c (create_sese_edges): Call fix_loop_structure after
2637 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2639 * config.gcc: Add m32r*-*-rtems*.
2640 * config/m32r/rtems.h: New file.
2642 2009-01-05 Ben Elliston <bje@au.ibm.com>
2644 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2645 (.po.pox): Likewise.
2646 (po/gcc.pot): Likewise.
2648 2009-01-04 David S. Miller <davem@davemloft.net>
2650 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2651 (STARTING_FRAME_OFFSET): Always set to zero.
2653 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2655 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2656 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2657 fixed-point types, and vectors of the same.
2659 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2661 * config/mips/sync.md (*mb_barrier): Rename to...
2662 (*memory_barrier): ...this.
2664 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2666 * doc/extend.texi (Function Attributes): Move @cindex after @item
2667 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2668 and put in alphabetical order. Fix 'target' name and put in order.
2669 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2672 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2674 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2675 (memory_barrier): Expand as unspec instead of unspec_volatile.
2676 Remove mem:BLK from insn operands. Use Pmode scratch register.
2677 (*memory_barrier): Define as unspec instead of unspec_volatile.
2678 Use (match_dup 0) as input operand.
2680 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2681 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2682 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2683 scratch register. Remove operand 1.
2684 (*stbar): Define as unspec instead of unspec_volatile.
2685 Use (match_dup 0) as input operand, remove (const_int 8).
2686 (*membar): Define as unspec instead of unspec_volatile.
2687 Use (match_dup 0) as input operand, remove input operand 2.
2689 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2690 (memory_barrier): Expand as unspec instead of unspec_volatile.
2691 Remove mem:BLK from insn operands. Use Pmode scratch register.
2692 (*memory_barrier): Define as unspec instead of unspec_volatile.
2693 Use (match_dup 0) as input operand.
2695 * config/ia64/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 (*memory_barrier): New insn pattern.
2700 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2702 (*memory_barrier): Use (match_dup 0) as input operand.
2704 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2705 Remove mem:BLK from insn operands. Use Pmode scratch register.
2706 Set volatile flag on operand 0.
2707 (*mb_internal): New insn pattern.
2709 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2711 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2714 * function.c (struct temp_slot): Move to the section of the file
2715 that deals with temp slots. Remove field 'address'.
2716 (temp_slot_address_table): New hash table of address -> temp slot.
2717 (struct temp_slot_address_entry): New struct, items for the table.
2718 (temp_slot_address_compute_hash, temp_slot_address_hash,
2719 temp_slot_address_eq, insert_temp_slot_address): Support functions
2721 (find_temp_slot_from_address): Rewrite to use the new hash table.
2722 (remove_unused_temp_slot_addresses): Remove addresses of temp
2723 slots that have been made available.
2724 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2725 worker function for remove_unused_temp_slot_addresses.
2726 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2727 Add the temp slot address to the address -> temp slot map.
2728 (update_temp_slot_address): Update via insert_temp_slot_address.
2729 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2730 (pop_temp_slots): Likewise.
2731 (init_temp_slots): Allocate the address -> temp slot map, or empty
2732 the map if it is already allocated.
2733 (prepare_function_start): Initialize temp slot processing.
2735 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2738 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2739 Calculate the size of all stack vars assuming no packing of stack
2740 vars will happen, replacing a quadratic algorithm with a linear one.
2742 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2745 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2748 2009-01-03 Diego Novillo <dnovillo@google.com>
2750 * doc/contrib.texi: Update contributions.
2752 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2755 * builtins.c (fold_builtin_memory_op): Give up if either operand
2756 is volatile. Set srctype or desttype to non-qualified version
2760 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2763 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2765 PR rtl-optimization/35805
2766 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2767 problem if fast dce is able to remove any instructions.
2768 * dce.c (dce_process_block): Fix dump message.
2770 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2773 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2775 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2778 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2779 * tree-pretty-print.c (op_code_prio): New function.
2780 (op_prio): No longer static. Use op_code_prio.
2781 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2782 Use op_prio and op_code_prio to determine if () should be
2783 printed around operand(s) or not.
2785 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2786 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2787 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2788 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2789 pp_character instead of pp_string for single letter printing.
2791 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2793 * doc/extend.texi: Fix '#pragma GCC option' typo.
2795 2009-01-02 Richard Guenther <rguenther@suse.de>
2797 * doc/install.texi (--enable-checking): Mention different
2799 (--enable-stage1-checking): Document.
2801 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2804 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2805 case to be an error.
2807 2009-01-02 Ben Elliston <bje@au.ibm.com>
2809 * config/fp-bit.h (pack_d): Constify argument.
2810 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2811 (isnan): Constify argument.
2815 (_fpadd_parts): Constify return type.
2816 (_fpmul_parts): Likewise.
2817 (_fpdiv_parts): Likewise.
2819 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2822 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2823 warn about overwriting initializer with side-effects or
2824 -Woverride-init if !IMPLICIT.
2825 (output_init_element): Likewise. Pass IMPLICIT down to
2827 (process_init_element): Add IMPLICIT argument. Pass it down
2828 to output_init_element.
2829 (push_init_element, pop_init_level, set_designator): Adjust
2830 process_init_element callers.
2831 (set_nonincremental_init, set_nonincremental_init_from_string):
2832 Adjust add_pending_init callers.
2833 (output_pending_init_elements): Adjust output_init_element callers.
2834 * c-tree.h (process_init_element): Adjust prototype.
2835 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2836 process_init_element callers.
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