1 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
5 determine alignment passed to assign_stack_local.
6 (assign_parms_unsplit_complex): Likewise.
7 * except.c (sjlj_build_landing_pads): Likewise.
9 2009-03-06 Jakub Jelinek <jakub@redhat.com>
12 * tree-flow.h (add_referenced_var): Return bool instead of void.
13 * tree-dfa.c (add_referenced_var): Return result of
14 referenced_var_check_and_insert call.
15 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
16 of referenced_var_check_and_insert.
19 * dwarf2out.c (add_abstract_origin_attribute): Return
21 (gen_variable_die): Emit DW_AT_location on abstract static variable's
22 DIE, don't emit it if abstract origin already has it.
23 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
24 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
26 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
28 * genpreds.c: (needs_variable): Fix parentheses at variable name
30 (write_tm_constrs_h): Indent generated code.
32 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
34 * doc/extend.texi (Function Attributes): Add documentation
37 2009-03-06 Jakub Jelinek <jakub@redhat.com>
40 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
41 take locus from its DECL_SOURCE_LOCATION instead of input_location.
43 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
45 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
48 2009-03-05 Jakub Jelinek <jakub@redhat.com>
51 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
52 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
54 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
56 * config/i386/i386.md (R8_REG, R9_REG): New constants.
57 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
58 constants instead of magic numbers.
59 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
61 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
62 (x86_64_ms_abi_int_parameter_registers): Ditto.
63 (x86_64_int_return_registers): Ditto.
64 (ix86_maybe_switch_abi): Ditto.
65 (ix86_expand_call): Ditto for clobbered_registers array.
66 (ix86_hard_regno_mode_ok): Ditto.
67 (x86_extended_QIreg_mentioned_p): Ditto.
69 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
71 PR tree-optimization/39349
72 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
74 * combine.c (gen_lowpart_for_combine): Use omode when generating
77 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
79 PR rtl-optimization/39235
80 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
82 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
84 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
86 2009-03-04 Richard Guenther <rguenther@suse.de>
88 PR tree-optimization/39362
89 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
90 that occur in abnormal PHIs should be varying.
92 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
94 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
96 (simple_iv): Take loop as an argument instead of statement.
97 * tree-scalar-evolution.h (simple_iv): Declaration changed.
98 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
100 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
102 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
103 * matrix-reorg.c (analyze_transpose): Ditto.
104 * tree-data-ref.c (dr_analyze_innermost): Ditto.
105 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
106 * tree-predcom.c (ref_at_iteration): Ditto.
107 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
109 2009-03-04 Richard Guenther <rguenther@suse.de>
111 PR tree-optimization/39358
112 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
113 escaped_id and callused_id.
114 (solve_graph): Likewise.
116 2009-03-04 Richard Guenther <rguenther@suse.de>
118 PR tree-optimization/39339
119 * tree-sra.c (try_instantiate_multiple_fields): Make it
120 no longer ICE on the above.
122 2009-03-03 Joseph Myers <joseph@codesourcery.com>
124 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
125 that fits within Pmode.
127 2009-03-03 Steve Ellcey <sje@cup.hp.com>
130 * tm.texi (LIBCALL_VALUE): Update description.
132 2009-03-03 Steve Ellcey <sje@cup.hp.com>
135 * doc/extend.texi (section): Update description.
137 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
140 * tree-inline.c (remapped_type): New.
141 (can_be_nonlocal): Call remapped_type instead of remap_type.
143 2009-03-03 Jakub Jelinek <jakub@redhat.com>
146 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
147 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
149 2009-03-03 Richard Guenther <rguenther@suse.de>
152 * tree.c (tree_nonartificial_location): New function.
153 * tree.h (tree_nonartificial_location): Declare.
154 * builtins.c (expand_builtin_memory_chk): Provide location
155 of the call location for artificial function pieces.
156 (maybe_emit_chk_warning): Likewise.
157 (maybe_emit_sprintf_chk_warning): Likewise.
158 (maybe_emit_free_warning): Likewise.
159 * expr.c (expand_expr_real_1): Likewise.
161 2009-03-03 Jakub Jelinek <jakub@redhat.com>
163 PR tree-optimization/39343
164 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
165 COMPONENT_REF t has ARRAY_TYPE.
167 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
170 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
171 when the type precision of the induction variable should be
172 larger than the type precision of nit.
173 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
174 * graphite.c (graphite_loop_normal_form): Same.
175 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
177 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
179 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
180 (*call_1_rex64_ms_sysv): Use named constants instead of magic
181 numbers to describe clobbered registers.
182 (*call_value_0_rex64_ms_sysv): Ditto.
183 * config/i386/mmx.md (mmx_emms): Ditto.
186 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
188 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
191 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
193 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
194 (spu_section_type_flags): New function.
196 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
198 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
199 reg_class_contents of FLOAT_REGS into a temporary.
201 2009-03-02 Richard Guenther <rguenther@suse.de>
202 Ira Rosen <irar@il.ibm.com>
204 PR tree-optimization/39318
205 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
206 information to the vectorized statement.
208 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
210 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
211 variable. Use defined names instead of magic constants for REX SSE
214 2009-03-01 Richard Guenther <rguenther@suse.de>
216 PR tree-optimization/39331
217 * omp-low.c (lower_send_shared_vars): Do not receive new
218 values for the reference of DECL_BY_REFERENCE parms or results.
220 2009-03-01 Jan Hubicka <jh@suse.cz>
223 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
224 BLOCK_NONLOCALIZED_VAR): New macros.
225 (tree_block): Add nonlocalized_vars.
226 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
227 gen_decl_die): Add origin argument. Allow generation of die with
229 (gen_member_die, gen_type_die_with_usage, force_decl_die,
230 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
232 (gen_block_die): Fix checking for unused blocks.
233 (process_scope_var): Break out from .... ; work with origins only.
234 (decls_for_scope) ... here; process nonlocalized list.
235 (dwarf2out_ignore_block): Look for nonlocalized vars.
236 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
238 (dump_scope_block): Dump them.
239 * tree-inline.c (remap_decls): Handle nonlocalized vars.
240 (remap_block): Likewise.
241 (can_be_nonlocal): New predicate.
242 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
244 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
246 * configure: Regenerate.
248 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
250 * optc-gen.awk: No need to duplicate option flags twice.
251 Reuse help texts for duplicate options which do not have
254 * gcc.c (display_help): Document --version.
256 * gcc.c (main): If print_help_list and verbose_flag, ensure
257 driver output comes before subprocess output.
259 * optc-gen.awk: Assign all remaining fields to help string,
260 space-separated, for multi-line help in *.opt.
262 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
263 -Wno-pedantic-ms-format is for MinGW targets only.
265 * doc/options.texi (Option file format): Fix bad indentation,
266 restoring dropped sentence.
268 2009-02-28 Jan Hubicka <jh@suse.cz>
270 * tree-inline.c (tree_function_versioning): Output debug info.
272 2009-02-28 Jan Hubicka <jh@suse.cz>
275 * tree-inline.c (setup_one_parameter): Do not copy propagate
276 arguments when not optimizing.
278 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
281 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
282 (avx_addsubv4df3): Likewise.
283 (*avx_addsubv4sf3): Likewise.
284 (sse3_addsubv4sf3): Likewise.
285 (*avx_addsubv2df3): Likewise.
286 (sse3_addsubv2df3): Likewise.
287 (avx_unpckhps256): Correct item selectors.
288 (avx_unpcklps256): Likewise.
289 (avx_unpckhpd256): Likewise.
290 (avx_unpcklpd256): Likewise.
292 2009-02-28 Jan Hubicka <jh@suse.cz>
294 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
296 (copy_arguments_for_versioning): If var is declared don't declare it.
297 (tree_function_versioning): First setup substitutions and then copy
300 2009-02-27 Jan Hubicka <jh@suse.cz>
303 * cgraph.h (varpool_output_debug_info): Remove.
304 * cgraphunit.c (varpool_output_debug_info): Remove.
305 * dwarf2out.c (deferred_locations_struct): New struct
306 (deferred_locations): New type.
307 (deferred_locations_list): New static var.
308 (deffer_location): New function.
309 (gen_variable_die): Use it.
310 (decls_for_scope): Output info on local static vars.
311 (dwarf2out_finish): Process deferred locations.
312 * varpool.c (varpool_output_debug_info): Remove.
314 2009-02-27 Jan Hubicka <jh@suse.cz>
317 * tree.h (TREE_PROTECTED): Fix comment.
318 (BLOCK_HANDLER_BLOCK): Remove.
319 (struct tree_block): Remove handler_block add body_block.
320 (inlined_function_outer_scope_p): New.
321 (is_body_block): Remove.
322 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
323 * dwarf2out.c (is_inlined_entry_point): Remove.
324 (add_high_low_attributes): Use inlined_function_outer_scope_p.
325 (gen_block_die): Use is_inlined_entry_point check. Remove body block
327 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
328 * gimplify.c (gimplify_expr): Gimplify body blocks.
329 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
330 block with multiple subblocks.
331 (dump_scope_block): Prettier output; dump more flags and info.
332 (dump_scope_blocks): New.
333 (remove_unused_locals): Use dump_scope_blocks.
334 * tree-flow.h (dump_scope_blocks): Declare.
335 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
336 * stmt.c (is_body_block): Remove.
337 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
338 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
340 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
343 * graphite.c (graphite_loop_normal_form): Do not call
344 number_of_iterations_exit from a gcc_assert.
346 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
348 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
349 jumps if COND is NULL.
350 (find_cond_jump): New function.
351 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
352 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
354 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
356 * config/alpha/alpha.h (alpha_expand_mov): Return false if
357 force_const_mem returns NULL_RTX.
359 2009-02-26 Jan Hubicka <jh@suse.cz>
362 * cgraph.h (varpool_output_debug_info): Remove.
363 * cgraphunit.c (varpool_output_debug_info): Remove.
364 * dwarf2out.c (deferred_locations_struct): New struct
365 (deferred_locations): New type.
366 (deferred_locations_list): New static var.
367 (deffer_location): New function.
368 (gen_variable_die): Use it.
369 (decls_for_scope): Output info on local static vars.
370 (dwarf2out_finish): Process deferred locations.
371 * varpool.c (varpool_output_debug_info): Remove.
373 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
375 PR rtl-optimization/39241
376 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
377 to subreg_offset_representable_p.
379 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
381 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
382 execute function prototype. Get f and nregs from max_reg_num
383 and get_insns. Remove the first backward pass as it's dead,
384 guard the forward pass by flag_expensive_optimizations.
385 (rest_of_handle_regmove): Delete.
386 (pass_regmove): Replace it with regmove_optimize.
388 2009-02-25 Martin Jambor <mjambor@suse.cz>
390 PR tree-optimization/39259
391 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
392 calls_alloca function flags.
393 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
396 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
398 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
399 flags_set_1_rtx, flags_set_1_set): Delete.
400 (regmove_optimize): Do not call mark_flags_life_zones.
402 2009-02-24 Julian Brown <julian@codesourcery.com>
405 * config/arm/arm.c (require_pic_register): Only set
406 cfun->machine->pic_reg once per function.
408 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
410 * doc/invoke.texi (Link Options): Document an easier way to pass
411 options that take arguments to the GNU linker using -Xlinker and -Wl.
413 2009-02-24 Steve Ellcey <sje@cup.hp.com>
416 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
418 2009-02-24 Richard Guenther <rguenther@suse.de>
421 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
423 2009-02-24 Richard Guenther <rguenther@suse.de>
424 Zdenek Dvorak <ook@ucw.cz>
426 PR tree-optimization/39233
427 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
428 from converting them to a generic type.
430 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
432 PR tree-optimization/39260
433 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
434 contains a condition with a real type.
435 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
437 2009-02-23 Jason Merrill <jason@redhat.com>
440 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
441 narrowing_initializer_constant_valid_p.
442 (narrowing_initializer_constant_valid_p): Don't return
443 null_pointer_node for adding a pointer to itself.
445 2009-02-23 Jan Hubicka <jh@suse.cz>
448 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
451 2009-02-23 Jan Hubicka <jh@suse.cz>
453 PR tree-optimization/37709
454 * tree.c (block_ultimate_origin): Move here from dwarf2out.
455 * tree.h (block_ultimate_origin): Declare.
456 * dwarf2out.c (block_ultimate_origin): Move to tree.c
457 * tree-ssa-live.c (remove_unused_scope_block_p):
458 Eliminate blocks containig no instructions nor live variables nor
460 (dump_scope_block): New function.
461 (remove_unused_locals): Enable removal of dead blocks by default;
462 enable dumping at TDF_DETAILS.
464 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
466 * config/i386/i386.c (classify_argument): Don't allow COImode
468 (function_arg_advance_32): Don't allow OImode.
469 (function_arg_32): Likewise.
470 (function_value_32): Likewise.
471 (return_in_memory_32): Likewise.
472 (function_arg_64): Remove OImode comment.
474 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
477 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
478 ix86_expand_vector_set for V4DImode in 64bit mode only.
479 (ix86_expand_vector_init_one_var): Likewise.
481 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
483 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
485 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
488 * loop-iv.c: Revert last change.
489 * emit-rtl.c: Likewise.
491 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
494 * config/i386/i386.c (type_natural_mode): Remove an extra
495 space in the warning message.
496 (function_value_32): Handle 32-byte vector modes.
497 (return_in_memory_32): Likewise.
499 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
501 * loop-iv.c (truncate_value): New function.
502 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
504 (lowpart_subreg): Move to...
505 * emit-rtl.c: ...here.
507 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
509 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
510 accidental and undocumented change at revision 140860.
512 2009-02-21 Joseph Myers <joseph@codesourcery.com>
514 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
515 take gimple_seq * arguments.
516 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
517 types_compatible_p langhook.
519 2009-02-20 Mark Mitchell <mark@codesourcery.com>
520 Joseph Myers <joseph@codesourcery.com>
522 * config/arm/arm.c (arm_builtin_va_list): New function.
523 (arm_expand_builtin_va_start): Likewise.
524 (arm_gimplify_va_arg_expr): Likewise.
525 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
526 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
527 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
528 (va_list_type): New variable.
529 (arm_mangle_type): Mangle va_list_type appropriately.
531 2009-02-20 Jakub Jelinek <jakub@redhat.com>
534 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
535 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
536 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
537 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
538 parameter to 1000 for -O1 by default.
539 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
541 * loop-invariant.c: Include params.h.
542 (move_loop_invariants): Don't call move_single_loop_invariants on
545 2009-02-20 Jaka Mocnik <jaka@xlab.si>
547 * calls.c (emit_library_call_value_1): Use slot_offset instead of
548 offset when calculating bounds for indexing stack_usage_map. Fixes
549 a buffer overflow with certain target setups.
551 2009-02-20 Jakub Jelinek <jakub@redhat.com>
554 * calls.c (expand_call): Clear try_tail_call if caller and callee
555 disagree in promotion of function return value.
557 2009-02-19 Jakub Jelinek <jakub@redhat.com>
560 * c-common.c (c_determine_visibility): If visibility changed and
561 DECL_RTL has been already set, call make_decl_rtl to update symbol
564 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
567 * varasm.c (assemble_variable): Don't check DECL_NAME when
568 globalizing a variable.
570 2009-02-19 Joseph Myers <joseph@codesourcery.com>
573 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
574 expression before any __builtin_trap call.
575 * c-typeck.c (build_function_call): Convert and check function
576 arguments before generating a call to a trap. Evaluate the
577 function arguments before the trap.
579 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
582 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
583 (UNSPEC_FXAM_MEM): New unspec.
584 (fxam<mode>2_i387_with_temp): New insn and split pattern.
585 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
586 memory using fxam<mode>2_i387_with_temp to remove excess precision.
588 2009-02-19 Richard Guenther <rguenther@suse.de>
590 PR tree-optimization/39207
591 PR tree-optimization/39074
592 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
593 storedanything_tree): New.
594 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
595 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
596 (build_succ_graph): Add edges from STOREDANYTHING to all
598 (init_base_vars): Initialize STOREDANYTHING.
599 (compute_points_to_sets): Free substitution info after
600 building the succ graph.
601 (ipa_pta_execute): Likewise.
603 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
605 (do_ds_constraint): Do not add to special var or non-pointer
607 (type_could_have_pointers): Split out from ...
608 (could_have_pointers): ... here. For arrays use the element type.
609 (create_variable_info_for): Initialize may_have_pointers.
610 (new_var_info): Likewise.
611 (handle_lhs_call): Make the HEAP variable unknown-sized.
612 (intra_create_variable_infos): Use a type with pointers for
613 PARM_NOALIAS, make it unknown-sized.
615 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
618 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
620 2009-02-18 Jason Merrill <jason@redhat.com>
623 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
624 value if DECL_EXTERNAL.
625 * tree-sra.c (sra_walk_gimple_assign): Likewise.
626 * target.h (gcc_target::binds_local_p): Clarify "module".
627 * tree.h (TREE_PUBLIC): Clarify "module".
629 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
632 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
633 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
635 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
638 * c.opt (Wabi): Support C and ObjC.
641 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
643 * config/i386/i386.c (classify_argument): Warn once about the ABI
644 change when passing union with long double.
646 * doc/invoke.texi: Update -Wabi for warning psABI changes.
648 2009-02-18 Joseph Myers <joseph@codesourcery.com>
651 * c-parser.c (c_parser_compound_statement): Always enter and leave
654 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
657 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
659 2009-02-18 Jakub Jelinek <jakub@redhat.com>
661 PR tree-optimization/36922
662 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
663 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
666 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
668 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
671 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
673 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
675 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
677 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
680 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
681 Richard Sandiford <rdsandiford@googlemail.com>
683 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
684 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
685 (loongson_biadd): ...this.
687 2009-02-17 Richard Guenther <rguenther@suse.de>
689 PR tree-optimization/39202
690 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
691 a var make sure to follow existing collapses.
693 2009-02-17 Richard Guenther <rguenther@suse.de>
696 * langhooks.c (lhd_print_error_function): Check for NULL block.
698 2009-02-17 Richard Guenther <rguenther@suse.de>
700 PR tree-optimization/39204
701 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
704 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
706 * config/soft-fp/double.h: Update from glibc CVS.
708 2009-02-17 Richard Guenther <rguenther@suse.de>
710 PR tree-optimization/39207
711 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
712 strict-aliasing warnings for pointers pointing to NULL.
714 2009-02-16 Joseph Myers <joseph@codesourcery.com>
717 * c-parser.c (c_parser_braced_init): Call pop_init_level when
718 skipping until next close brace.
720 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
723 * config/i386/i386.c (ix86_expand_push): Set memory alignment
724 to function argument boundary.
726 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
728 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
729 in the lea_add. Reload eventually constraints it properly.
730 * config/picochip/constraints.md : Remove the target constraint
731 "b", since it is not needed anymore.
733 2009-02-16 Jakub Jelinek <jakub@redhat.com>
735 * gthr-dce.h: Uglify function parameter and local variable names.
736 * gthr-gnat.h: Likewise.
737 * gthr-mipssde.h: Likewise.
738 * gthr-nks.h: Likewise.
739 * gthr-posix95.h: Likewise.
740 * gthr-posix.h: Likewise.
741 * gthr-rtems.h: Likewise.
742 * gthr-single.h: Likewise.
743 * gthr-solaris.h: Likewise.
744 * gthr-tpf.h: Likewise.
745 * gthr-vxworks.h: Likewise.
746 * gthr-win32.h: Likewise.
748 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
751 * config/i386/i386.md: Restrict the new peephole2 to move
752 between MMX/SSE registers.
754 2009-02-15 Richard Guenther <rguenther@suse.de>
757 2009-02-13 Richard Guenther <rguenther@suse.de>
759 * configure.ac: Enable LFS.
760 * configure: Re-generate.
761 * config.in: Likewise.
763 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
765 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
766 spu_srqwbyte, spu_srqwbytebc): Define.
767 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
768 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
769 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
770 "shrqby_<mode>"): New insn-and-split patterns.
771 * config/spu/spu.c (expand_builtin_args): Determine and return
772 number of operands using spu_builtin_description data.
773 (spu_expand_builtin_1): Use it.
775 2009-02-13 Steve Ellcey <sje@cup.hp.com>
778 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
781 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
784 * config/i386/i386.c (override_options): Correct warning
785 messages for -malign-loops, -malign-jumps and -malign-functions.
787 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
790 * config/i386/i386.md: Restrict the new peephole2 to move
791 between the general purpose registers.
793 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
796 * config/i386/i386.c (type_natural_mode): Add a new argument.
797 Return the original mode and warn ABI change if vector size is 32byte.
798 (function_arg_advance): Updated.
799 (function_arg): Likewise.
800 (ix86_function_value): Likewise.
801 (ix86_return_in_memory): Likewise.
802 (ix86_sol10_return_in_memory): Likewise.
803 (ix86_gimplify_va_arg): Likewise.
804 (function_arg_32): Don't warn ABX ABI change here.
805 (function_arg_64): Likewise.
807 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
809 * loop-iv.c (implies_p): In the final case, test that operands 0
810 of the two comparisons match.
812 * config/bfin/bfin.c (find_prev_insn_start): New function.
813 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
814 (find_next_insn_start): Move.
816 2009-02-13 Richard Guenther <rguenther@suse.de>
818 * configure.ac: Enable LFS.
819 * configure: Re-generate.
820 * config.in: Likewise.
822 2009-02-13 Joseph Myers <joseph@codesourcery.com>
825 * c-parser.c (c_parser_parms_list_declarator): Discard pending
826 sizes on syntax error after some arguments have been parsed.
828 2009-02-12 Jakub Jelinek <jakub@redhat.com>
830 * doc/invoke.texi (-fira): Remove.
832 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
834 * caller-save.c: Replace regclass.c with reginfo.c in comments.
838 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
840 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
841 (umul_ppmm): Likewise.
842 (count_leading_zeros): Likewise.
843 (count_trailing_zeros): Likewise.
844 (UMUL_TIME): Likewise.
846 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
848 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
849 soft-fp/t-softfp to tmake_file.
851 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
852 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
853 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
854 IA64_BUILTIN_INFQ]: New.
855 (ia64_init_builtins): Initialize __builtin_infq,
856 __builtin_fabsq and __builtin_copysignq if not HPUX.
857 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
858 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
860 * config/ia64/lib1funcs.asm (__divtf3): Define only if
862 (__fixtfti): Likewise.
863 (__fixunstfti): Likewise.
864 (__floattitf): Likewise.
866 * config/ia64/libgcc-glibc.ver: New.
867 * config/ia64/t-fprules-softfp: Likewise.
868 * config/ia64/sfp-machine.h: Likewise.
870 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
871 (LIBGCC2_TF_CEXT): Likewise.
873 (TARGET_INIT_LIBFUNCS): Likewise.
875 * config/ia64/t-glibc (SHLINB_MAPFILES):
876 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
878 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
880 * config/i386/i386.c (construct_container): Rewrite processing
881 BLKmode with X86_64_SSE_CLASS.
883 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
886 * config/i386/i386.md: Replace simplify_replace_rtx with
887 replace_rtx in the new peephole2.
889 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
891 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
892 loop unrolling do not happen at -O2.
894 2009-02-12 Michael Matz <matz@suse.de>
896 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
898 2009-02-12 Jakub Jelinek <jakub@redhat.com>
900 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
903 2009-02-12 Ben Elliston <bje@au.ibm.com>
905 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
906 patterns when updating the back chain. Missed in the 2009-02-10
909 2009-02-11 Janis Johnson <janis187@us.ibm.com>
911 * doc/extend.texi (Decimal Floating Types): Update identifier of
912 draft TR and list of missing support.
914 2009-02-11 Jakub Jelinek <jakub@redhat.com>
917 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
918 bit to variable length decl's flags, add it also to its
919 pointer replacement variable.
921 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
922 Jakub Jelinek <jakub@redhat.com>
925 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
926 (memory_blockage): New expander.
927 (*memory_blockage): New insn pattern.
928 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
929 instead of general blockage at the end of function prologue when
930 frame pointer is used to access red zone area. Do not emit blockage
931 when profiling, it is emitted in generic code.
932 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
933 function epilogue when frame pointer is used to access red zone area.
935 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
938 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
939 by arithmetic with memory operands.
940 * config/i386/predicates.md (commutative_operator): New.
942 2009-02-10 Janis Johnson <janis187@us.ibm.com>
944 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
947 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
949 * alias.h (record_alias_subset): Declare.
950 * alias.c (record_alias_subset): Make global.
952 2009-02-10 Nick Clifton <nickc@redhat.com>
954 * tree-parloops.c: Change license to GPLv3.
955 * ipa-struct-reorg.c: Change license to GPLv3.
956 * ipa-struct-reorg.h: Change license to GPLv3.
958 2009-02-10 Steve Ellcey <sje@cup.hp.com>
961 * c-decl.c (start_struct): Return NULL on error.
963 2009-02-10 Jakub Jelinek <jakub@redhat.com>
966 * cfgloopmanip.c (remove_path): Call remove_bbs after
967 cancel_loop_tree, not before it.
970 * function.h (struct function): Add has_local_explicit_reg_vars bit.
971 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
973 * tree-ssa-live.c (remove_unused_locals): Recompute
974 cfun->has_local_explicit_reg_vars.
975 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
976 copies or clearings if cfun->has_local_explicit_reg_vars.
978 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
981 * config/i386/i386.c (expand_prologue): Emit blockage at the end
982 of function prologue when frame pointer is used to access
985 2009-02-10 Richard Guenther <rguenther@suse.de>
988 * gimplify.c (gimple_regimplify_operands): Always look if
989 we need to create a temporary.
991 2009-02-10 Richard Guenther <rguenther@suse.de>
993 PR tree-optimization/39132
994 * tree-loop-distribution.c (todo): New global var.
995 (generate_memset_zero): Trigger TODO_rebuild_alias.
996 (tree_loop_distribution): Return todo.
998 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1001 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1002 (x86_64_reg_class_name): Removed.
1003 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1004 first one isn't X86_64_SSE_CLASS or any other ones aren't
1005 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1006 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1007 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1008 and 3 X86_64_SSEUP_CLASS.
1009 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1010 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1012 2009-02-10 Ben Elliston <bje@au.ibm.com>
1014 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1015 form instruction to update the stack back chain word, even if the
1016 user has disabled the generation of update instructions.
1017 (movdi_<mode>_update_stack): New.
1018 (movsi_update_stack): Likewise.
1019 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1020 always use an update form instruction to update the stack back
1023 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1026 * graphite.c (if_region_set_false_region): After moving a region in
1027 the false branch of a condition, remove the empty dummy basic block.
1028 (gloog): Remove wrong fix for PR38953.
1030 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1032 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1033 generation due to implicit sign extension.
1035 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1038 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1039 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1041 2009-02-09 Richard Guenther <rguenther@suse.de>
1044 * convert.c (convert_to_real): Disable (float)fn((double)x)
1045 to fnf(x) conversion if errno differences may occur and
1046 -fmath-errno is set.
1048 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1050 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1051 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1052 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1054 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1057 * c-common.c (handle_alias_attribute): Disallow attribute for
1058 anything not a FUNCTION_DECL or VAR_DECL.
1060 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1063 * real.c (do_compare): Special-case compare of zero against
1064 decimal float value.
1066 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1069 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1070 as indicating flexible array members unless the field itself is
1071 being declarared as the incomplete array.
1073 2009-02-06 Jan Hubicka <jh@suse.cz>
1075 PR tree-optimization/38844
1076 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1079 2009-02-06 Richard Guenther <rguenther@suse.de>
1082 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1083 fork because we may expand it as __gcov_fork.
1085 2009-02-06 Nick Clifton <nickc@redhat.com>
1087 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1089 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1091 PR tree-optimization/35659
1092 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1093 vn_phi_eq): Shortcut if hashcode does not match.
1094 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1096 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1097 and avoid iterative_hash_expr.
1098 (FOR_EACH_VALUE_ID_IN_SET): New.
1099 (value_id_compare): Remove.
1100 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1101 sort expressions by value id.
1103 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1106 * config/sh/predicates.md (general_movsrc_operand): Don't check
1107 the subreg of system registers here.
1109 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1112 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1115 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1117 PR rtl-optimization/39110
1118 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1119 addresses, not aligned ones.
1121 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1122 Richard Guenther <rguenther@suse.de>
1124 PR tree-optimization/39100
1125 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1126 comment says and add edges.
1128 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1131 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1132 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1134 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1136 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1137 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1138 register_bb_in_sese, new_sese, free_sese): Moved.
1139 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1140 outermost_loop_in_scop, build_scop_iteration_domain,
1141 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1142 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1143 Use loop_in_sese_p instead of loop_in_scop_p.
1144 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1145 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1146 (scopdet_basic_block_info): Fix bug in scop detection.
1147 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1148 eq_loop_to_cloog_loop): Remove.
1149 (nb_loops_around_loop_in_scop, nb_loop
1150 ref_nb_loops): Moved here...
1151 * graphite.h (ref_nb_loops): ... from here.
1152 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1153 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1154 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1155 * testsuite/gcc.dg/graphite/scop-19.c: New
1157 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1158 Hans-Peter Nilsson <hp@axis.com>
1160 PR rtl-optimization/37889
1161 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1162 Move offset handling from PLUS to before the switch. Use new
1163 arguments when considering SYMBOL_REFs too.
1164 (rtx_addr_can_trap_p): Pass dummy offset and size.
1165 (enum may_trap_p_flags): Remove.
1166 (may_trap_p_1): Pass size from MEM_SIZE.
1168 PR rtl-optimization/38921
1169 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1170 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1171 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1172 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1174 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1176 AVX Programming Reference (January, 2009)
1177 * config/i386/sse.md (*vpclmulqdq): New.
1179 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1181 PR tree-optimization/38977
1182 PR gcov-profile/38292
1183 * calls.c (special_function_p): Disregard __builtin_ prefix.
1185 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1187 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1188 non-indexable addresses even before reload.
1190 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1193 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1194 as having variable size. Do not give an error for unnamed
1195 parameters with [*] declarators. Give a warning for type names
1196 with [*] declarators and mark them as variable size.
1197 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1198 for sizeof applied to [*] type names.
1200 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1203 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1205 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1207 * gcc.c (process_command): Update copyright notice dates.
1208 * gcov.c (print_version): Likewise.
1209 * gcov-dump.c (print_version): Likewise.
1210 * mips-tfile.c (main): Likewise.
1211 * mips-tdump.c (main): Likewise.
1213 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1216 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1217 for composite type involving a zero-length array type.
1219 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1222 * function.c (match_asm_constraints_1): Skip over
1223 initial optional % in the constraint.
1226 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1227 supported, don't accept FIXED_CSTs.
1228 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1229 and _Sat is used without _Fract/_Accum. Set specs->type to
1230 integer_type_node for cts_fract/cts_accum if fixed point is not
1233 2009-02-02 Catherine Moore <clm@codesourcery.com>
1235 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1237 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1239 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1240 (ABI_HAS_64BIT_SYMBOLS): Use it.
1241 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1243 2009-02-02 Paul Brook <paul@codesourcery.com>
1245 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1247 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1250 * recog.h (asm_operand_ok): Add constraints argument.
1251 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1252 recurse on matching constraint.
1253 (check_asm_operands): Pass constraints as 3rd argument to
1254 asm_operand_ok. Don't look up matching constraint here.
1255 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1258 2009-02-02 Ben Elliston <bje@au.ibm.com>
1260 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1261 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1263 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1265 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1266 information. Remove some obsolete information. Reorganize.
1268 * config/pa/fptr.c: Revert license to GPL 2.
1269 * config/pa/milli64.S: Likewise.
1271 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1274 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1275 LIBRARY name in, instead of hard-coding it.
1276 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1277 extra target make frag to tmake_files according to EH model.
1278 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1279 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1280 frags that define makefile variable EH_MODEL appropriately.
1281 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1282 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1283 to "-sjlj" according to type of EH configured.
1284 (LIBGCC_SONAME): Concatenate it to shared library base name.
1285 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1286 to "_sjlj" according to type of EH configured.
1287 (LIBGCC_SONAME): Concatenate it to shared library base name.
1288 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1289 (SHLIB_LINK): Add missing semicolon to if-else construct.
1290 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1291 string value of "pe_dll" command-line option.
1292 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1293 (SHLIB_SONAME): Use it when overriding t-cygming default.
1294 (SHLIB_IMPLIB): Override t-cygming default.
1295 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1296 string value of "pe_dll" command-line option.
1298 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1301 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1302 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1304 2009-01-31 Richard Guenther <rguenther@suse.de>
1306 PR tree-optimization/38937
1307 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1308 computing the transitive closure.
1310 2009-01-30 Richard Guenther <rguenther@suse.de>
1312 PR tree-optimization/39041
1313 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1314 Propagate variable indices only if the types match for this stmt.
1316 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1319 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1320 inline but never defined.
1322 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1324 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1325 (*insv_h_di_reg_extimm): New insn.
1326 (*insv_l<mode>_reg_extimm): New insn.
1328 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1330 * config/picochip/picochip.c (flag_conserve_stack): set
1331 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1332 fconserve-stack. Reduce call-overhead used by inliner.
1334 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1337 * common.opt (flag_conserve_stack): Initialised to zero.
1339 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1342 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1343 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1346 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1348 * ira-color.c (allocno_reload_assign): Update comments.
1349 * regmove.c (regmove_optimize): Likewise.
1353 2009-01-29 Robert Millan <rmh@aybabtu.com>
1355 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1356 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1357 `MD_UNWIND_SUPPORT'.
1358 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1360 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1362 PR tree-optimization/39007
1363 * tree-loop-distribution.c (generate_builtin): Use
1364 recompute_dominator to compute the immediate dominator of the
1365 basic block just after the loop.
1367 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1369 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1370 (ASM_OUTPUT_DWARF_PCREL): Define.
1372 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1374 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1375 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1376 global. Modify entries about regmove and IRA.
1378 * ra-conflict.c: Remove the file.
1380 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1382 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1383 (pass_regclass_init): Rename to pass_reginfo_init.
1385 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1387 * toplev.h (flag_ira): Remove.
1389 * caller-save.c (setup_save_areas): Remove flag_ira.
1391 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1393 * global.c: Remove the file.
1395 * opts.c: (decode_options): Remove flag_ira.
1397 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1399 * regmove.c: Modify file description.
1400 (find_use_as_address, try_auto_increment): Define them only if
1401 AUTO_INC_DEC is defined.
1402 (replacement_quality, replace_in_call_usage, fixup_match_1,
1403 stable_and_no_regs_but_for_p): Remove.
1404 (reg_set_in_bb): Make it static.
1405 (regmove_optimize): Remove flag_ira and code which worked for
1408 * local-alloc.c: Remove the file.
1410 * common.opt (fira): Remove.
1412 * ira.c: Include except.h.
1413 (eliminable_regset): Move from global.c.
1414 (mark_elimination): Ditto. Remove flag_ira.
1415 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1416 equiv_mem_modified, validate_equiv_mem_from_store,
1417 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1418 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1419 no_equiv, recorded_label_ref): Move from local-alloc.c.
1420 (update_equiv_regs): Ditto. Make it static.
1421 (print_insn_chain, print_insn_chains): Move it from global.c.
1422 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1423 (build_insn_chain): Ditto. Make it static.
1424 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1425 Rename to init_live_subregs.
1426 (gate_ira): Remove flag_ira.
1428 * regclass.c: Rename reginfo.c. Change file description.
1429 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1430 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1431 (init_reg_sets_1): Remove code for evaluation of
1432 reg_class_superclasses and losing_caller_save_reg_set.
1433 (init_regs): Remove init_reg_autoinc.
1434 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1435 ok_for_base_p_nonstrict): Remove.
1436 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1437 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1438 corresponding entries.
1439 (dump_regclass, record_operand_costs, scan_one_insn,
1440 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1441 record_address_regs, auto_inc_dec_reg_p): Remove.
1442 (gt-regclass.h): Rename to gt-reginfo.h.
1444 * rtl.h (dump_global_regs, retry_global_alloc,
1445 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1447 * Makefile.in (RA_H): Remove.
1448 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1449 Rename regclass.o to reginfo.o.
1450 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1452 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1453 (GTFILES): Rename regclass.c to reginfo.c.
1455 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1456 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1458 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1459 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1461 (finish_spills): Ditto. Remove code for !flag_ira.
1463 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1466 * doc/invoke.texi (rtl debug options): Complete rewrite.
1467 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1469 * mode-switching.c (pass_mode_switching): Rename pass from
1470 "mode-sw" to "mode_sw".
1471 * except.c (pass_convert_to_eh_ranges): Rename pass from
1472 "eh-ranges" to "eh_ranges".
1473 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1477 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1478 Alexander Monakov <amonakov@ispras.ru>
1481 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1483 (move_exprs_to_boundary): Change return type and pass through
1484 should_move from move_op. Relax assert. Update usage ...
1485 (schedule_expr_on_boundary): ... here. Use should_move instead of
1487 (move_op_orig_expr_found): Indicate that insn was disconnected from
1489 (code_motion_process_successors): Do not call after_merge_succs
1490 callback if original expression was not found when traversing any of
1492 (code_motion_path_driver): Change return type. Update prototype.
1493 (move_op): Update comment. Add a new parameter (should_move). Update
1494 prototype. Set *should_move based on indication provided by
1495 move_op_orig_expr_found.
1497 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1499 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1500 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1501 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1502 * config/rs6000/rs6000.c (rs6000_override_options): Default
1503 avoid-indexed-addresses on for Power6, off for everything else.
1504 (avoiding_indexed_address_p): New function.
1505 (rs6000_legitimize_address): Use it.
1506 (rs6000_legitimate_address): Likewise.
1507 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1509 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1511 PR tree-optimization/38997
1512 * tree-loop-distribution.c (generate_memset_zero): Use
1513 POINTER_PLUS_EXPR for a pointer addition.
1515 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1517 * config/s390/s390.md (bswap<mode>2): New pattern added.
1519 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1521 * config/s390/s390.md (*tls_load_31): Added type attribute.
1523 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1525 * config/s390/s390.md: Fix a few comments.
1527 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1529 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1530 (*tm<mode>_full): Fixed z10prop attribute.
1531 (*tst<mode>_extimm): Fixed z10prop attribute.
1532 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1533 (*tstqiCCT_cconly): Fixed z10prop attribute.
1534 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1535 (*movsi_larl): Fixed z10prop attribute.
1536 (*movsi_zarch): Fixed z10prop attribute.
1537 (*movsi_eas): Fixed z10prop attribute.
1538 (*movhi): Fixed z10prop attribute.
1539 (*movqi): Fixed z10prop attribute.
1540 (*movstrictqi): Fixed z10prop attribute.
1541 (*mov<mode>): Fixed z10prop attribute.
1542 (*movcc): Fixed z10prop attribute.
1543 (*sethighpartdi_64): Fixed z10prop attribute.
1544 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1545 (*negdi2_sign_cc): Fixed z10prop attribute.
1546 (*negdi2_sign): Fixed z10prop attribute.
1547 (*absdi2_sign_cc): Fixed z10prop attribute.
1548 (*absdi2_sign): Fixed z10prop attribute.
1549 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1550 (*negabsdi2_sign): Fixed z10prop attribute.
1551 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1552 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1553 (doloop_si64): Fixed z10prop attribute.
1554 (doloop_si31): Fixed z10prop attribute.
1555 (doloop_long): Fixed z10prop attribute.
1556 (indirect_jump): Fixed z10prop attribute.
1557 (nop): Fixed z10prop attribute.
1558 (main_base_64): Fixed z10prop attribute.
1559 (reload_base_64): Fixed z10prop attribute.
1561 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1563 PR rtl-optimization/38740
1564 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1566 * config/mips/mips.c (mips_reorg): Likewise.
1568 2009-01-28 Richard Guenther <rguenther@suse.de>
1570 PR tree-optimization/38926
1571 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1572 with the correct value id to a value.
1573 (do_regular_insertion): Use the value number of edoubleprime
1574 for the value number of the expr.
1577 2008-08-21 Richard Guenther <rguenther@suse.de>
1579 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1580 a PHI ask VN if it is already available.
1581 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1582 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1584 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1587 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1588 set to varying whenever max has TREE_OVERFLOW set, similarly
1589 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1591 2009-01-28 Richard Guenther <rguenther@suse.de>
1594 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1595 uninitialized aggregate uses in call arguments.
1597 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1599 PR tree-optimization/38984
1600 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1601 the nothing_id variable if -fno-delete-null-pointer-checks.
1603 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1606 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1607 (set_got_offset_rex64): Ditto.
1609 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1612 * doc/extend.texi: Improve local variable with asm reg.
1614 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1616 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1617 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1618 was not supplied then set warn_packed_bitfield_compat to the
1620 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1623 2009-01-27 Richard Guenther <rguenther@suse.de>
1625 PR tree-optimization/38503
1626 * cfgexpand.c (expand_gimple_basic_block): Ignore
1627 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1628 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1629 variables that cannot have TBAA applied.
1630 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1633 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1636 * calls.c (initialize_argument_information): Do not wrap complex
1637 arguments in SAVE_EXPR.
1639 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1641 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1642 (INSTALL_LIBGCC): Revert typo commit.
1644 2009-01-26 Richard Guenther <rguenther@suse.de>
1646 PR tree-optimization/38745
1647 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1648 from special handling.
1650 2009-01-26 Richard Guenther <rguenther@suse.de>
1652 PR tree-optimization/38745
1653 * tree-ssa.c (execute_update_addresses_taken): Do not include
1654 variables that cannot possibly be a register in not_reg_needs.
1655 Do not clear TREE_ADDRESSABLE on vars that may not become
1657 * tree-ssa.c (update_alias_info_1): Include those in the set
1658 of addressable vars.
1660 2009-01-26 Richard Guenther <rguenther@suse.de>
1663 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1664 * tree-ssa-dse.c: Include langhooks.h
1665 (execute_simple_dse): Remove stores with zero size.
1667 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1670 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1673 2009-01-24 Julian Brown <julian@codesourcery.com>
1675 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1676 config/arm/linux-atomic.c.
1677 * config/arm/linux-atomic.c: New.
1679 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1681 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1682 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1683 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1685 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1688 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1691 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1693 PR tree-optimization/38953
1694 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1695 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1696 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1697 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1700 2009-01-24 Paul Brook <paul@codesourcery.com>
1702 * config/arm/neon.md (neon_type): Move to arm.md.
1703 (neon_mov<VSTRUCT>): Add neon_type attribute.
1704 * config/arm/arm.md (neon_type): Move to here.
1705 (conds): Add "unconditioal" and use as default for NEON insns.
1707 2009-01-24 Ben Elliston <bje@au.ibm.com>
1709 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1710 void *' warning from -Wc++-compat.
1711 * Makefile.in (dominance.o-warn): Remove.
1713 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1715 PR tree-optimization/38932
1716 * fold-const.c (fold_unary_ignore_overflow): New.
1717 * tree.h (fold_unary_ignore_overflow): Declare.
1718 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1719 * tree-ssa-sccvn.c (visit_reference_op_load,
1720 simplify_unary_expression): Likewise.
1722 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1724 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1725 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1726 regardless of their type.
1727 * c-common.c (handle_packed_attribute): Don't ignore packed on
1729 * c.opt (Wpacked-bitfield-compat): New warning option.
1730 * stor-layout.c (place_field): Warn if offset of a field changed.
1731 * doc/extend.texi (packed): Mention the ABI change.
1732 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1733 (Warning Options): Add it to the list.
1735 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1737 * c-opts.c (c_common_post_options): Fix a typo in comments.
1739 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1742 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1743 variables to static.
1744 * doc/invoke.texi (-fmerge-all-constants): Update description.
1746 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1749 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1750 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1752 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1754 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1756 (LOCAL_ALIGNMENT): Similarly.
1758 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1759 Joseph Myers <joseph@codesourcery.com>
1761 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1762 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1763 * config/arm/arm-tune.md: Regenerate.
1764 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1767 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1769 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1770 version number to five.
1772 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1775 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1776 * c-common.c (set_underlying_type): Likewise.
1777 (is_typedef_decl ): Likewise
1779 (set_underlying_type): Likewise.
1780 (is_typedef_type): Likewise.
1782 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1785 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1788 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1791 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1792 (LIBGCC_SPEC): Don't define.
1793 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1795 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1797 PR rtl-optimization/38879
1798 * alias.c (base_alias_check): Unaligned access via AND address can
1799 alias all surrounding object types except those with sizes equal
1800 or wider than the size of unaligned access.
1802 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1805 * c-decl.c: (clone_underlying_type): Move this ...
1806 * c-common.c (set_underlying_type): ... here.
1807 Also, make sure the function properly sets TYPE_STUB_DECL() on
1808 the newly created typedef variant type.
1809 (is_typedef_decl ): New entry point.
1810 * tree.h: Added a new member member_types_needing_access_check to
1811 struct tree_decl_non_common.
1812 (set_underlying_type): New entry point.
1813 (is_typedef_type): Likewise.
1815 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1817 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1818 Check whether two instructions have memory references that
1819 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1820 are helper functions for traversing.
1821 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1822 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1823 not to draw dependency edge for instructions with non-conflicting
1826 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1829 * longlong.h: Update copyright years. Use soft-fp license notice.
1830 Sync __clz_tab declaration with glibc.
1832 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1835 * doc/extend.texi (syscall_linkage): New.
1836 (version_id): Modify.
1838 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1839 Richard Guenther <rguenther@suse.de>
1841 PR tree-optimization/38747
1842 PR tree-optimization/38748
1843 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1844 conversion if the base address is an indirect reference and the
1845 aliasing sets could cause issues.
1847 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1849 * common.opt (fgraphite, fgraphite-identity): Add comment for
1850 explaining why these options are not documented.
1852 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1854 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1855 gimple_call_lhs is NULL.
1857 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1860 * emit-rtl.c (adjust_address_1): Make sure memref is never
1863 2009-01-20 Ben Elliston <bje@au.ibm.com>
1865 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1866 const qualifier from arg parameter. Remove unnecessary cast to char *.
1867 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1868 const qualifier from arg 2.
1870 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1872 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1874 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1877 * rtl.h (reinit_regs): New prototype.
1878 * regclass.c: Include ira.h.
1880 * Makefile.in (regclass.o): Add ira.h.
1881 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1883 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1886 * c-common.c (handle_aligned_attribute): Use
1887 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1888 default alignment value.
1890 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1892 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1893 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1895 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1896 __BIGGEST_ALIGNMENT__.
1898 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1900 2009-01-18 Richard Guenther <rguenther@suse.de>
1902 PR tree-optimization/38819
1903 * tree-flow.h (operation_could_trap_helper_p): Declare.
1904 * tree-eh.c (operation_could_trap_helper_p): Export.
1905 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1906 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1907 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1908 are about to insert a possibly trapping instruction and fail
1911 2009-01-18 Andreas Schwab <schwab@suse.de>
1913 * doc/install.texi (Configuration): Remove obsolete paragraph
1914 about use of --with-gnu-ld with --with-gnu-as.
1916 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1918 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1919 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1920 Follow spelling conventions.
1922 2009-01-18 Ben Elliston <bje@au.ibm.com>
1924 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1925 C++ warning about implicit conversion from void * to struct
1927 (bitmap_obstack_free): Likewise for bitmap_element *.
1928 * Makefile.in (bitmap.o-warn): Remove.
1930 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1932 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1934 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1935 Tobias Grosser <tobi.grosser@amd.com>
1937 * graphite.c (graphite_trans_scop_block): Do not block single
1940 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1942 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1943 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1944 test with assertion.
1946 2009-01-16 Richard Guenther <rguenther@suse.de>
1948 PR tree-optimization/38835
1950 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1951 and INT + PTR -> (INT)(PTR p+ INT) folding.
1952 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1954 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1957 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1958 the subreg from a lowpart subreg if it is also casting the value.
1960 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1961 Tobias Grosser <tobi.grosser@amd.com>
1963 * graphite.c (compare_prefix_loops): New.
1964 (build_scop_canonical_schedules): Rewritten.
1965 (graphite_transform_loops): Move build_scop_canonical_schedules
1966 after build_scop_iteration_domain.
1968 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1969 Tobias Grosser <tobi.grosser@amd.com>
1971 * graphite.c (add_conditions_to_domain): Add the loops to
1972 the dimension of the iteration domain. Do copy the domain
1973 only when it exists.
1974 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1975 (add_conditions_to_constraints): New.
1976 (can_generate_code_stmt, can_generate_code): Removed.
1977 (gloog): Do not call can_generate_code.
1978 (graphite_transform_loops): Call add_conditions_to_constraints
1979 after building the iteration domain.
1981 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1983 PR tree-optimization/38789
1984 * tree-ssa-threadedge.c
1985 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1986 __builtin_constant_p.
1988 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1990 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1991 examined before deleting them.
1993 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1995 * function.c (aggregate_value_p): Correctly extract the function
1996 type from CALL_EXPR_FN lookup.
1998 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2000 * config/picochip/picochip.c (picochip_override_options): Revert
2001 CFI asm flag disable commited previously.
2003 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2004 Tobias Grosser <tobi.grosser@amd.com>
2005 Jan Sjodin <jan.sjodin@amd.com>
2007 * graphite.c (scan_tree_for_params): On substractions negate
2008 all the coefficients of the term.
2009 (clast_to_gcc_expression_red): New. Handle reduction expressions
2010 of more than two operands.
2011 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2012 (get_vdef_before_scop): Handle also the case of default definitions.
2014 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2016 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2017 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2018 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2020 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2021 Joey Ye <joey.ye@intel.com>
2024 * cfgexpand.c (expand_stack_alignment): Don't update stack
2025 boundary nor check incoming stack boundary here.
2026 (gimple_expand_cfg): Update stack boundary and check incoming
2027 stack boundary here.
2029 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2031 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2033 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2035 PR rtl-optimization/38245
2036 * calls.c (expand_call): Add stack arguments to
2037 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2038 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2039 in regs and partially in memory or BLKmode arguments.
2040 (emit_library_call_value_1): Add stack arguments to
2041 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2042 ACCUMULATE_OUTGOING_ARGS).
2043 * dce.c: Include tm_p.h.
2044 (find_call_stack_args): New function.
2045 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2047 (mark_insn): Call find_call_stack_args for CALL_Ps.
2048 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2049 forwards. Allocate and free arg_stores bitmap if needed, pass it
2050 down to deletable_insn_p, don't mark stores set in arg_stores
2051 bitmap, clear the bitmap at the beginning of each bb.
2052 * Makefile.in (dce.o): Depend on $(TM_P_H).
2054 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2057 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2058 to make sure the insn is a conditional test (bug 22599). Reformat a
2061 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2064 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2065 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2066 (gloog): Do not call cleanup_tree_cfg.
2067 (graphite_transform_loops): Call cleanup_tree_cfg after all
2068 scops have been code generated.
2070 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2071 * doc/gty.texi (Invoking the garbage collector): Added new node
2072 and section documenting ggc_collect.
2074 2009-01-14 Richard Guenther <rguenther@suse.de>
2076 PR tree-optimization/38826
2078 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2079 initialization notes only if we actually emitted a warning.
2080 (intra_create_variable_infos): Add constraints for a result decl
2081 that is passed by hidden reference.
2082 (build_pred_graph): Mark all related variables non-direct on
2085 2009-01-14 Nick Clifton <nickc@redhat.com>
2087 * ira-conflicts.c: Include addresses.h for the definition of
2089 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2090 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2092 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2095 * Makefile.in (ira-lives.o): Add except.h.
2097 * ira-lives.c: Include except.h.
2098 (process_bb_node_lives): Process can_throw_internal.
2100 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2102 PR rtl-optimization/38774
2103 * combine.c (simplify_set): When undoing cc_use change, don't do
2104 PUT_CODE on the newly created comparison, but instead put back the
2107 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2109 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2110 values. Remove duplicate arm8 entry.
2112 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2114 PR tree-optimization/38786
2115 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2116 the SSA_NAME case of expand_scalar_variables_expr.
2117 Set the type of an expression to the type of its assign statement.
2118 (expand_scalar_variables_expr): Also gather the scalar computation
2119 used to index the memory access. Do not pass loop_p.
2120 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2121 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2122 the gimple_stmt_iterator where it inserts new code.
2124 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2125 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2127 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2129 * graphite.h (debug_value): Removed.
2130 * graphite.c (debug_value): Removed.
2132 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2134 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2135 ldrd/strd with two 32-bit instructions.
2137 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2139 * config/arm/arm.c (struct processors): Pass for speed down into
2140 cost helper functions.
2141 (const_ok_for_op): Handle COMPARE and inequality nodes.
2142 (arm_rtx_costs_1): Rewrite.
2143 (arm_size_rtx_costs): Update prototype.
2144 (arm_rtx_costs): Pass speed down to helper functions.
2145 (arm_slowmul_rtx_costs): Rework cost calculations.
2146 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2147 (arm_9e_rtx_costs): Likewise.
2149 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2151 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2152 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2153 (alpha_legitimize_address): Do not split local symbols wider than
2154 UNITS_PER_WORD into HIGH/LO_SUM parts.
2156 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2159 * gcc.c (process_command): Replace call to execvp with calls
2160 to pex_one and exit.
2162 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2165 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2166 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2167 variant for devices with 3-byte PC.
2168 (__tablejump_elpm__) : New.
2170 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2173 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2174 offsetof member-designator, handle it as `[0].'.
2176 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2178 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2179 function when not using named sections on targets with named sections
2180 if branch distance is less than 262132.
2182 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2184 * combine.c (combine_instructions): Recompute
2185 optimize_this_for_speed_p for each BB in the main combine loop.
2187 2009-01-12 Tomas Bily <tbily@suse.cz>
2190 * tree-loop-distribution.c (prop_phis): New function.
2191 (generate_builtin): Call prop_phis.
2192 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2194 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2196 PR tree-optimization/38807
2197 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2198 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2200 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2202 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2203 subreg of op0 to the original op0.
2205 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2207 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2209 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2212 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2213 starting with digits.
2215 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2218 * config/arm/arm.c (arm_is_long_call_p): Don't call
2219 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2221 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2223 * regrename.c (regrename_optimize): Fix dumping.
2224 (find_oldest_value_reg): Preserve REG_POINTER.
2225 (copy_hardreg_forward_1): Likewise.
2227 2009-01-09 Diego Novillo <dnovillo@google.com>
2229 * gimple.h (struct gimple_statement_base) <uid>: Document
2230 the restrictions on its use.
2232 (gimple_set_uid): Tidy.
2234 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2236 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2237 zero guard even if align_bytes != 0 and count is smaller than
2240 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2242 PR rtl-optimization/38495
2243 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2244 (add_range_and_copies_from_move_list): Print all added ranges.
2245 Add ranges to memory optimized destination.
2247 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2251 * config/i386/i386.c (override_options): Reject
2252 -mstringop-strategy=rep_8byte with -m32.
2253 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2254 to 1. Do count comparison against epilogue_size_needed at compile
2255 time even when count_exp was constant forced into register. For
2256 size_needed don't jump to epilogue, instead just avoid aligning
2257 and invoke the body algorithm. If need_zero_guard, add zero guard
2258 even if count is non-zero, but smaller than size_needed + number of
2259 bytes that could be stored for alignment.
2260 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2261 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2262 but smaller than size_needed + number of bytes that could be stored
2263 for alignment. Compare size_needed with epilogue_size_needed instead
2264 of desired_align - align, don't adjust size_needed, pass
2265 epilogue_size_needed to the epilogue expanders.
2268 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2270 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2272 * pa.c (last_address): Change to unsigned.
2273 (update_total_code_bytes): Change argument to unsigned. Don't
2274 check if insn addresses are set.
2275 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2276 addresses are not set.
2277 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2279 2009-01-09 Nick Clifton <nickc@redhat.com>
2281 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2282 DECL_DECLARED_INLINE_P.
2284 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2287 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2288 GET_MODE (op0) in operand_subword_force calls.
2291 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2292 fold_convert arg0 operands to TREE_TYPE (op0) first.
2294 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2296 * params.def (ira-max-conflict-table-size): Decrease default value
2299 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2301 PR tree-optimization/37031
2302 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2304 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2305 allocate it using gc instead of heap, use VEC_quick_push instead of
2307 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2308 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2309 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2310 allocated vector from heap allocated.
2311 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2312 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2313 vector only after perfect_loop_nest_depth call.
2315 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2316 Jan Sjodin <jan.sjodin@amd.com>
2318 PR tree-optimization/38559
2319 * graphite.c (debug_value, copy_constraint,
2320 swap_constraint_variables, scale_constraint_variable, ): New.
2321 (get_lower_bound, get_upper_bound): Removed.
2322 (graphite_trans_bb_strip_mine): Clean up this code that works
2323 only for constant number of iterations. Fully copy upper and
2324 lower bound constraints, not only the constant part of them.
2325 * graphite.h (debug_value): Declared.
2327 2009-01-08 Ira Rosen <irar@il.ibm.com>
2329 PR tree-optimization/37194
2330 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2331 Don't add the cost of cost model guard in prologue to scalar
2332 outside cost in case of known number of iterations.
2334 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2335 Alan Modra <amodra@bigpond.net.au>
2337 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2338 non-word-aligned REG+CONST addressing.
2340 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2343 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2344 free_after_compilation when outputting a thunk.
2345 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2346 Do not call free_after_compilation here.
2348 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2350 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2351 (ix86_valid_target_attribute_inner_p): Ditto.
2353 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2355 PR tree-optimization/38492
2356 PR tree-optimization/38498
2357 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2358 * tree-chrec.h (scev_is_linear_expression): Declared.
2359 * graphite.c (graphite_cannot_represent_loop_niter): New.
2360 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2361 (graphite_loop_normal_form): Use gcc_assert.
2362 (scan_tree_for_params): Use CASE_CONVERT.
2363 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2364 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2365 Use gcc_assert. Discard scops that contain unhandled cases.
2366 (build_scop_conditions): Return a boolean status for unhandled cases.
2367 (strip_mine_profitable_p): Print the loop number, not its depth.
2368 (is_interchange_valid): Pass the depth of the loop nest, don't
2369 recompute it wrongly.
2370 (graphite_trans_bb_block): Same.
2371 (graphite_trans_bb_block): Print tentative of loop blocking.
2372 (graphite_trans_scop_block): Do not print that the loop has been
2374 (graphite_transform_loops): Do not handle scops that contain condition
2377 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2379 AVX Programming Reference (December, 2008)
2380 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2381 (_mm256_stream_pd): Likewise.
2382 (_mm256_stream_ps): Likewise.
2384 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2385 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2386 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2387 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2388 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2389 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2390 (ix86_expand_special_args_builtin): Likewise.
2392 * config/i386/sse.md (AVXMODEDI): New.
2393 (avx_movnt<mode>): Likewise.
2394 (avx_movnt<mode>): Likewise.
2395 (<sse>_movnt<mode>): Remove AVX support.
2396 (sse2_movntv2di): Likewise.
2398 2009-01-07 Richard Guenther <rguenther@suse.de>
2401 * fold-const.c (extract_muldiv): Remove obsolete comment.
2402 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2403 to PLUS_EXPR canonicalization for the canonicalization.
2405 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2407 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2408 hosted cross-compilers generating less efficient code.
2410 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2412 * function.h (rtl_data): Add a dbr_scheduled_p field.
2413 * reorg.c (dbr_schedule): Set it.
2414 (gate_handle_delay_slots): Check it.
2415 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2416 (mips_reorg): Check flag_delayed_branch instead of
2417 mips_base_delayed_branch.
2418 (mips_override_options): Don't set mips_base_delayed_branch
2419 or flag_delayed_branch.
2421 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2423 PR rtl-optimization/38426.
2424 * ira.c (ira): Set current_function_is_leaf earlier.
2426 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2428 PR rtl-optimization/38722
2429 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2430 too early, only set a flag and modify after last possible
2433 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2436 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2437 * real.c (decimal_single_format): Correct values of emin and emax.
2438 (decimal_double_format): Ditto.
2439 (decimal_quad_format): Ditto.
2440 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2441 computation of DECnn_MIN and DECnn_MAX for corrected values of
2442 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2443 __DECnn_MIN__, and adjust its computation for the corrected value
2446 2009-01-06 Jan Hubicka <jh@suse.cz>
2449 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2451 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2453 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2454 Add Robert Clark to the list of testers.
2456 2009-01-06 Jan Hubicka <jh@suse.cz>
2457 Kai Tietz <kai.tietz@onevision.com>
2459 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2460 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2462 2009-01-06 Jan Hubicka <jh@suse.cz>
2463 Kai Tietz <kai.tietz@onevision.com>
2465 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2467 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2468 (ix86_nsaved_regs): Count only general purpose regs.
2469 (ix86_nsaved_sseregs): New.
2470 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2471 to 16 for w64; compute padding and size of sse reg save area.
2472 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2473 general purpose regs.
2474 (ix86_emit_save_sse_regs_using_mov): New.
2475 (ix86_expand_prologue): Save SSE regs if needed.
2476 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2477 (ix86_emit_restore_sse_regs_using_mov): New.
2478 (ix86_expand_epilogue): Save SSE regs if needed.
2480 2009-01-06 Jan Hubicka <jh@suse.cz>
2481 Kai Tietz <kai.tietz@onevision.com>
2483 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2484 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2485 functions when accumulate outgoing args is off.
2487 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2490 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2491 before using pseudos_have_intersected_live_ranges_p.
2493 * ira-int.h (ira_assert): Always define.
2495 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2497 AVX Programming Reference (December, 2008)
2498 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2499 (_mm256_permute2_pd): Likewise.
2500 (_mm_permute2_ps): Likewise.
2501 (_mm256_permute2_ps): Likewise.
2502 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2503 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2505 * config/i386/i386.c (ix86_builtins): Remove
2506 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2507 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2508 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2509 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2510 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2511 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2512 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2513 __builtin_ia32_vpermil2ps256.
2514 (ix86_init_mmx_sse_builtins): Updated.
2515 (ix86_expand_args_builtin): Likewise.
2517 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2519 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2520 long absolute calls when generating PA 2.0 code.
2522 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2524 PR rtl-optimization/38583
2525 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2527 * params.def (ira-max-conflict-table-size): New.
2529 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2531 * ira.h (ira_conflicts_p): New external definition.
2533 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2534 table. Report this. Return result of building.
2535 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2536 building conflict table.
2538 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2539 (ira_color): Use ira_conflicts_p.
2541 * global.c: Include ira.h.
2542 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2545 * Makefile.in (global.o): Add ira.h.
2547 * ira-build.c (mark_all_loops_for_removal,
2548 propagate_some_info_from_allocno): New.
2549 (remove_unnecessary_allocnos): Call
2550 propagate_some_info_from_allocno.
2551 (remove_low_level_allocnos): New.
2552 (remove_unnecessary_regions): Add parameter. Call
2553 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2554 parameter to remove_unnecessary_regions.
2555 (ira_build): Remove all regions but root if the conflict table was
2556 not built. Update conflict hard regs for allocnos crossing calls.
2558 * ira.c (ira_conflicts_p): New global.
2559 (ira): Define and use ira_conflicts_p.
2561 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2562 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2563 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2565 2009-01-06 Ben Elliston <bje@au.ibm.com>
2567 * gengtype-lex.l (YY_NO_INPUT): Define.
2569 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2572 * c-common.c (handle_vector_size_attribute): Also reject
2575 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2577 PR tree-optimization/38492
2578 * graphite.c (rename_map_elt, debug_rename_elt,
2579 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2580 rename_map_elt_info, eq_rename_map_elts,
2581 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2582 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2583 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2584 (sese_build_livein_liveouts): New.
2585 (new_sese, free_sese): New.
2586 (new_scop): Call new_sese.
2587 (free_scop): Call free_sese.
2588 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2589 (register_old_new_names): Renamed register_old_and_new_names.
2590 (register_scop_liveout_renames, add_loop_exit_phis,
2591 insert_loop_close_phis, struct igp,
2592 default_liveout_before_guard, add_guard_exit_phis,
2593 insert_guard_phis, copy_renames): New.
2594 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2595 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2596 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2597 (scop_adjust_phis_for_liveouts): New.
2598 (gloog): Call scop_adjust_phis_for_liveouts.
2600 * graphite.h (struct sese): Documented. Added fields liveout,
2602 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2603 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2604 (struct scop): Added field liveout_renames.
2605 (SCOP_LIVEOUT_RENAMES): New.
2607 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2609 PR tree-optimization/38510
2610 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2611 (translate_clast): Call recompute_all_dominators before
2613 (gloog): Call recompute_all_dominators before graphite_verify.
2615 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2616 Jan Sjodin <jan.sjodin@amd.com>
2618 PR tree-optimization/38500
2619 * graphite.c (create_sese_edges): Call fix_loop_structure after
2622 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2624 * config.gcc: Add m32r*-*-rtems*.
2625 * config/m32r/rtems.h: New file.
2627 2009-01-05 Ben Elliston <bje@au.ibm.com>
2629 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2630 (.po.pox): Likewise.
2631 (po/gcc.pot): Likewise.
2633 2009-01-04 David S. Miller <davem@davemloft.net>
2635 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2636 (STARTING_FRAME_OFFSET): Always set to zero.
2638 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2640 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2641 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2642 fixed-point types, and vectors of the same.
2644 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2646 * config/mips/sync.md (*mb_barrier): Rename to...
2647 (*memory_barrier): ...this.
2649 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2651 * doc/extend.texi (Function Attributes): Move @cindex after @item
2652 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2653 and put in alphabetical order. Fix 'target' name and put in order.
2654 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2657 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2659 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2660 (memory_barrier): Expand as unspec instead of unspec_volatile.
2661 Remove mem:BLK from insn operands. Use Pmode scratch register.
2662 (*memory_barrier): Define as unspec instead of unspec_volatile.
2663 Use (match_dup 0) as input operand.
2665 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2666 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2667 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2668 scratch register. Remove operand 1.
2669 (*stbar): Define as unspec instead of unspec_volatile.
2670 Use (match_dup 0) as input operand, remove (const_int 8).
2671 (*membar): Define as unspec instead of unspec_volatile.
2672 Use (match_dup 0) as input operand, remove input operand 2.
2674 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
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/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2681 Remove mem:BLK from insn operands. Use Pmode scratch register.
2682 Set volatile flag on operand 0.
2683 (*memory_barrier): New insn pattern.
2685 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2687 (*memory_barrier): Use (match_dup 0) as input operand.
2689 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2690 Remove mem:BLK from insn operands. Use Pmode scratch register.
2691 Set volatile flag on operand 0.
2692 (*mb_internal): New insn pattern.
2694 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2696 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2699 * function.c (struct temp_slot): Move to the section of the file
2700 that deals with temp slots. Remove field 'address'.
2701 (temp_slot_address_table): New hash table of address -> temp slot.
2702 (struct temp_slot_address_entry): New struct, items for the table.
2703 (temp_slot_address_compute_hash, temp_slot_address_hash,
2704 temp_slot_address_eq, insert_temp_slot_address): Support functions
2706 (find_temp_slot_from_address): Rewrite to use the new hash table.
2707 (remove_unused_temp_slot_addresses): Remove addresses of temp
2708 slots that have been made available.
2709 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2710 worker function for remove_unused_temp_slot_addresses.
2711 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2712 Add the temp slot address to the address -> temp slot map.
2713 (update_temp_slot_address): Update via insert_temp_slot_address.
2714 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2715 (pop_temp_slots): Likewise.
2716 (init_temp_slots): Allocate the address -> temp slot map, or empty
2717 the map if it is already allocated.
2718 (prepare_function_start): Initialize temp slot processing.
2720 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2723 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2724 Calculate the size of all stack vars assuming no packing of stack
2725 vars will happen, replacing a quadratic algorithm with a linear one.
2727 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2730 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2733 2009-01-03 Diego Novillo <dnovillo@google.com>
2735 * doc/contrib.texi: Update contributions.
2737 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2740 * builtins.c (fold_builtin_memory_op): Give up if either operand
2741 is volatile. Set srctype or desttype to non-qualified version
2745 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2748 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2750 PR rtl-optimization/35805
2751 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2752 problem if fast dce is able to remove any instructions.
2753 * dce.c (dce_process_block): Fix dump message.
2755 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2758 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2760 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2763 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2764 * tree-pretty-print.c (op_code_prio): New function.
2765 (op_prio): No longer static. Use op_code_prio.
2766 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2767 Use op_prio and op_code_prio to determine if () should be
2768 printed around operand(s) or not.
2770 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2771 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2772 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2773 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2774 pp_character instead of pp_string for single letter printing.
2776 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2778 * doc/extend.texi: Fix '#pragma GCC option' typo.
2780 2009-01-02 Richard Guenther <rguenther@suse.de>
2782 * doc/install.texi (--enable-checking): Mention different
2784 (--enable-stage1-checking): Document.
2786 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2789 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2790 case to be an error.
2792 2009-01-02 Ben Elliston <bje@au.ibm.com>
2794 * config/fp-bit.h (pack_d): Constify argument.
2795 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2796 (isnan): Constify argument.
2800 (_fpadd_parts): Constify return type.
2801 (_fpmul_parts): Likewise.
2802 (_fpdiv_parts): Likewise.
2804 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2807 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2808 warn about overwriting initializer with side-effects or
2809 -Woverride-init if !IMPLICIT.
2810 (output_init_element): Likewise. Pass IMPLICIT down to
2812 (process_init_element): Add IMPLICIT argument. Pass it down
2813 to output_init_element.
2814 (push_init_element, pop_init_level, set_designator): Adjust
2815 process_init_element callers.
2816 (set_nonincremental_init, set_nonincremental_init_from_string):
2817 Adjust add_pending_init callers.
2818 (output_pending_init_elements): Adjust output_init_element callers.
2819 * c-tree.h (process_init_element): Adjust prototype.
2820 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2821 process_init_element callers.