1 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
6 2009-03-05 Jakub Jelinek <jakub@redhat.com>
9 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
10 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
12 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
14 * config/i386/i386.md (R8_REG, R9_REG): New constants.
15 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
16 constants instead of magic numbers.
17 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
19 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
20 (x86_64_ms_abi_int_parameter_registers): Ditto.
21 (x86_64_int_return_registers): Ditto.
22 (ix86_expand_call): Ditto for clobbered_registers array.
23 (ix86_hard_regno_mode_ok): Ditto.
24 (x86_extended_QIreg_mentioned_p): Ditto.
26 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
28 PR tree-optimization/39349
29 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
31 * combine.c (gen_lowpart_for_combine): Use omode when generating
34 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
36 PR rtl-optimization/39235
37 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
39 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
41 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
43 2009-03-04 Richard Guenther <rguenther@suse.de>
45 PR tree-optimization/39362
46 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
47 that occur in abnormal PHIs should be varying.
49 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
51 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
53 (simple_iv): Take loop as an argument instead of statement.
54 * tree-scalar-evolution.h (simple_iv): Declaration changed.
55 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
57 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
59 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
60 * matrix-reorg.c (analyze_transpose): Ditto.
61 * tree-data-ref.c (dr_analyze_innermost): Ditto.
62 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
63 * tree-predcom.c (ref_at_iteration): Ditto.
64 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
66 2009-03-04 Richard Guenther <rguenther@suse.de>
68 PR tree-optimization/39358
69 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
70 escaped_id and callused_id.
71 (solve_graph): Likewise.
73 2009-03-04 Richard Guenther <rguenther@suse.de>
75 PR tree-optimization/39339
76 * tree-sra.c (try_instantiate_multiple_fields): Make it
77 no longer ICE on the above.
79 2009-03-03 Joseph Myers <joseph@codesourcery.com>
81 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
82 that fits within Pmode.
84 2009-03-03 Steve Ellcey <sje@cup.hp.com>
87 * tm.texi (LIBCALL_VALUE): Update description.
89 2009-03-03 Steve Ellcey <sje@cup.hp.com>
92 * doc/extend.texi (section): Update description.
94 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
97 * tree-inline.c (remapped_type): New.
98 (can_be_nonlocal): Call remapped_type instead of remap_type.
100 2009-03-03 Jakub Jelinek <jakub@redhat.com>
103 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
104 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
106 2009-03-03 Richard Guenther <rguenther@suse.de>
109 * tree.c (tree_nonartificial_location): New function.
110 * tree.h (tree_nonartificial_location): Declare.
111 * builtins.c (expand_builtin_memory_chk): Provide location
112 of the call location for artificial function pieces.
113 (maybe_emit_chk_warning): Likewise.
114 (maybe_emit_sprintf_chk_warning): Likewise.
115 (maybe_emit_free_warning): Likewise.
116 * expr.c (expand_expr_real_1): Likewise.
118 2009-03-03 Jakub Jelinek <jakub@redhat.com>
120 PR tree-optimization/39343
121 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
122 COMPONENT_REF t has ARRAY_TYPE.
124 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
127 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
128 when the type precision of the induction variable should be
129 larger than the type precision of nit.
130 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
131 * graphite.c (graphite_loop_normal_form): Same.
132 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
134 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
136 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
137 (*call_1_rex64_ms_sysv): Use named constants instead of magic
138 numbers to describe clobbered registers.
139 (*call_value_0_rex64_ms_sysv): Ditto.
140 * config/i386/mmx.md (mmx_emms): Ditto.
143 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
145 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
148 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
150 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
151 (spu_section_type_flags): New function.
153 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
155 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
156 reg_class_contents of FLOAT_REGS into a temporary.
158 2009-03-02 Richard Guenther <rguenther@suse.de>
159 Ira Rosen <irar@il.ibm.com>
161 PR tree-optimization/39318
162 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
163 information to the vectorized statement.
165 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
167 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
168 variable. Use defined names instead of magic constants for REX SSE
171 2009-03-01 Richard Guenther <rguenther@suse.de>
173 PR tree-optimization/39331
174 * omp-low.c (lower_send_shared_vars): Do not receive new
175 values for the reference of DECL_BY_REFERENCE parms or results.
177 2009-03-01 Jan Hubicka <jh@suse.cz>
180 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
181 BLOCK_NONLOCALIZED_VAR): New macros.
182 (tree_block): Add nonlocalized_vars.
183 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
184 gen_decl_die): Add origin argument. Allow generation of die with
186 (gen_member_die, gen_type_die_with_usage, force_decl_die,
187 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
189 (gen_block_die): Fix checking for unused blocks.
190 (process_scope_var): Break out from .... ; work with origins only.
191 (decls_for_scope) ... here; process nonlocalized list.
192 (dwarf2out_ignore_block): Look for nonlocalized vars.
193 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
195 (dump_scope_block): Dump them.
196 * tree-inline.c (remap_decls): Handle nonlocalized vars.
197 (remap_block): Likewise.
198 (can_be_nonlocal): New predicate.
199 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
201 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
203 * configure: Regenerate.
205 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
207 * optc-gen.awk: No need to duplicate option flags twice.
208 Reuse help texts for duplicate options which do not have
211 * gcc.c (display_help): Document --version.
213 * gcc.c (main): If print_help_list and verbose_flag, ensure
214 driver output comes before subprocess output.
216 * optc-gen.awk: Assign all remaining fields to help string,
217 space-separated, for multi-line help in *.opt.
219 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
220 -Wno-pedantic-ms-format is for MinGW targets only.
222 * doc/options.texi (Option file format): Fix bad indentation,
223 restoring dropped sentence.
225 2009-02-28 Jan Hubicka <jh@suse.cz>
227 * tree-inline.c (tree_function_versioning): Output debug info.
229 2009-02-28 Jan Hubicka <jh@suse.cz>
232 * tree-inline.c (setup_one_parameter): Do not copy propagate
233 arguments when not optimizing.
235 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
238 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
239 (avx_addsubv4df3): Likewise.
240 (*avx_addsubv4sf3): Likewise.
241 (sse3_addsubv4sf3): Likewise.
242 (*avx_addsubv2df3): Likewise.
243 (sse3_addsubv2df3): Likewise.
244 (avx_unpckhps256): Correct item selectors.
245 (avx_unpcklps256): Likewise.
246 (avx_unpckhpd256): Likewise.
247 (avx_unpcklpd256): Likewise.
249 2009-02-28 Jan Hubicka <jh@suse.cz>
251 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
253 (copy_arguments_for_versioning): If var is declared don't declare it.
254 (tree_function_versioning): First setup substitutions and then copy
257 2009-02-27 Jan Hubicka <jh@suse.cz>
260 * cgraph.h (varpool_output_debug_info): Remove.
261 * cgraphunit.c (varpool_output_debug_info): Remove.
262 * dwarf2out.c (deferred_locations_struct): New struct
263 (deferred_locations): New type.
264 (deferred_locations_list): New static var.
265 (deffer_location): New function.
266 (gen_variable_die): Use it.
267 (decls_for_scope): Output info on local static vars.
268 (dwarf2out_finish): Process deferred locations.
269 * varpool.c (varpool_output_debug_info): Remove.
271 2009-02-27 Jan Hubicka <jh@suse.cz>
274 * tree.h (TREE_PROTECTED): Fix comment.
275 (BLOCK_HANDLER_BLOCK): Remove.
276 (struct tree_block): Remove handler_block add body_block.
277 (inlined_function_outer_scope_p): New.
278 (is_body_block): Remove.
279 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
280 * dwarf2out.c (is_inlined_entry_point): Remove.
281 (add_high_low_attributes): Use inlined_function_outer_scope_p.
282 (gen_block_die): Use is_inlined_entry_point check. Remove body block
284 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
285 * gimplify.c (gimplify_expr): Gimplify body blocks.
286 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
287 block with multiple subblocks.
288 (dump_scope_block): Prettier output; dump more flags and info.
289 (dump_scope_blocks): New.
290 (remove_unused_locals): Use dump_scope_blocks.
291 * tree-flow.h (dump_scope_blocks): Declare.
292 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
293 * stmt.c (is_body_block): Remove.
294 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
295 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
297 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
300 * graphite.c (graphite_loop_normal_form): Do not call
301 number_of_iterations_exit from a gcc_assert.
303 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
305 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
306 jumps if COND is NULL.
307 (find_cond_jump): New function.
308 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
309 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
311 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
313 * config/alpha/alpha.h (alpha_expand_mov): Return false if
314 force_const_mem returns NULL_RTX.
316 2009-02-26 Jan Hubicka <jh@suse.cz>
319 * cgraph.h (varpool_output_debug_info): Remove.
320 * cgraphunit.c (varpool_output_debug_info): Remove.
321 * dwarf2out.c (deferred_locations_struct): New struct
322 (deferred_locations): New type.
323 (deferred_locations_list): New static var.
324 (deffer_location): New function.
325 (gen_variable_die): Use it.
326 (decls_for_scope): Output info on local static vars.
327 (dwarf2out_finish): Process deferred locations.
328 * varpool.c (varpool_output_debug_info): Remove.
330 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
332 PR rtl-optimization/39241
333 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
334 to subreg_offset_representable_p.
336 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
338 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
339 execute function prototype. Get f and nregs from max_reg_num
340 and get_insns. Remove the first backward pass as it's dead,
341 guard the forward pass by flag_expensive_optimizations.
342 (rest_of_handle_regmove): Delete.
343 (pass_regmove): Replace it with regmove_optimize.
345 2009-02-25 Martin Jambor <mjambor@suse.cz>
347 PR tree-optimization/39259
348 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
349 calls_alloca function flags.
350 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
353 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
355 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
356 flags_set_1_rtx, flags_set_1_set): Delete.
357 (regmove_optimize): Do not call mark_flags_life_zones.
359 2009-02-24 Julian Brown <julian@codesourcery.com>
362 * config/arm/arm.c (require_pic_register): Only set
363 cfun->machine->pic_reg once per function.
365 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
367 * doc/invoke.texi (Link Options): Document an easier way to pass
368 options that take arguments to the GNU linker using -Xlinker and -Wl.
370 2009-02-24 Steve Ellcey <sje@cup.hp.com>
373 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
375 2009-02-24 Richard Guenther <rguenther@suse.de>
378 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
380 2009-02-24 Richard Guenther <rguenther@suse.de>
381 Zdenek Dvorak <ook@ucw.cz>
383 PR tree-optimization/39233
384 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
385 from converting them to a generic type.
387 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
389 PR tree-optimization/39260
390 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
391 contains a condition with a real type.
392 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
394 2009-02-23 Jason Merrill <jason@redhat.com>
397 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
398 narrowing_initializer_constant_valid_p.
399 (narrowing_initializer_constant_valid_p): Don't return
400 null_pointer_node for adding a pointer to itself.
402 2009-02-23 Jan Hubicka <jh@suse.cz>
405 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
408 2009-02-23 Jan Hubicka <jh@suse.cz>
410 PR tree-optimization/37709
411 * tree.c (block_ultimate_origin): Move here from dwarf2out.
412 * tree.h (block_ultimate_origin): Declare.
413 * dwarf2out.c (block_ultimate_origin): Move to tree.c
414 * tree-ssa-live.c (remove_unused_scope_block_p):
415 Eliminate blocks containig no instructions nor live variables nor
417 (dump_scope_block): New function.
418 (remove_unused_locals): Enable removal of dead blocks by default;
419 enable dumping at TDF_DETAILS.
421 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
423 * config/i386/i386.c (classify_argument): Don't allow COImode
425 (function_arg_advance_32): Don't allow OImode.
426 (function_arg_32): Likewise.
427 (function_value_32): Likewise.
428 (return_in_memory_32): Likewise.
429 (function_arg_64): Remove OImode comment.
431 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
434 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
435 ix86_expand_vector_set for V4DImode in 64bit mode only.
436 (ix86_expand_vector_init_one_var): Likewise.
438 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
440 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
442 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
445 * loop-iv.c: Revert last change.
446 * emit-rtl.c: Likewise.
448 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
451 * config/i386/i386.c (type_natural_mode): Remove an extra
452 space in the warning message.
453 (function_value_32): Handle 32-byte vector modes.
454 (return_in_memory_32): Likewise.
456 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
458 * loop-iv.c (truncate_value): New function.
459 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
461 (lowpart_subreg): Move to...
462 * emit-rtl.c: ...here.
464 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
466 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
467 accidental and undocumented change at revision 140860.
469 2009-02-21 Joseph Myers <joseph@codesourcery.com>
471 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
472 take gimple_seq * arguments.
473 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
474 types_compatible_p langhook.
476 2009-02-20 Mark Mitchell <mark@codesourcery.com>
477 Joseph Myers <joseph@codesourcery.com>
479 * config/arm/arm.c (arm_builtin_va_list): New function.
480 (arm_expand_builtin_va_start): Likewise.
481 (arm_gimplify_va_arg_expr): Likewise.
482 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
483 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
484 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
485 (va_list_type): New variable.
486 (arm_mangle_type): Mangle va_list_type appropriately.
488 2009-02-20 Jakub Jelinek <jakub@redhat.com>
491 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
492 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
493 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
494 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
495 parameter to 1000 for -O1 by default.
496 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
498 * loop-invariant.c: Include params.h.
499 (move_loop_invariants): Don't call move_single_loop_invariants on
502 2009-02-20 Jaka Mocnik <jaka@xlab.si>
504 * calls.c (emit_library_call_value_1): Use slot_offset instead of
505 offset when calculating bounds for indexing stack_usage_map. Fixes
506 a buffer overflow with certain target setups.
508 2009-02-20 Jakub Jelinek <jakub@redhat.com>
511 * calls.c (expand_call): Clear try_tail_call if caller and callee
512 disagree in promotion of function return value.
514 2009-02-19 Jakub Jelinek <jakub@redhat.com>
517 * c-common.c (c_determine_visibility): If visibility changed and
518 DECL_RTL has been already set, call make_decl_rtl to update symbol
521 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
524 * varasm.c (assemble_variable): Don't check DECL_NAME when
525 globalizing a variable.
527 2009-02-19 Joseph Myers <joseph@codesourcery.com>
530 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
531 expression before any __builtin_trap call.
532 * c-typeck.c (build_function_call): Convert and check function
533 arguments before generating a call to a trap. Evaluate the
534 function arguments before the trap.
536 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
539 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
540 (UNSPEC_FXAM_MEM): New unspec.
541 (fxam<mode>2_i387_with_temp): New insn and split pattern.
542 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
543 memory using fxam<mode>2_i387_with_temp to remove excess precision.
545 2009-02-19 Richard Guenther <rguenther@suse.de>
547 PR tree-optimization/39207
548 PR tree-optimization/39074
549 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
550 storedanything_tree): New.
551 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
552 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
553 (build_succ_graph): Add edges from STOREDANYTHING to all
555 (init_base_vars): Initialize STOREDANYTHING.
556 (compute_points_to_sets): Free substitution info after
557 building the succ graph.
558 (ipa_pta_execute): Likewise.
560 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
562 (do_ds_constraint): Do not add to special var or non-pointer
564 (type_could_have_pointers): Split out from ...
565 (could_have_pointers): ... here. For arrays use the element type.
566 (create_variable_info_for): Initialize may_have_pointers.
567 (new_var_info): Likewise.
568 (handle_lhs_call): Make the HEAP variable unknown-sized.
569 (intra_create_variable_infos): Use a type with pointers for
570 PARM_NOALIAS, make it unknown-sized.
572 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
575 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
577 2009-02-18 Jason Merrill <jason@redhat.com>
580 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
581 value if DECL_EXTERNAL.
582 * tree-sra.c (sra_walk_gimple_assign): Likewise.
583 * target.h (gcc_target::binds_local_p): Clarify "module".
584 * tree.h (TREE_PUBLIC): Clarify "module".
586 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
589 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
590 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
592 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
595 * c.opt (Wabi): Support C and ObjC.
598 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
600 * config/i386/i386.c (classify_argument): Warn once about the ABI
601 change when passing union with long double.
603 * doc/invoke.texi: Update -Wabi for warning psABI changes.
605 2009-02-18 Joseph Myers <joseph@codesourcery.com>
608 * c-parser.c (c_parser_compound_statement): Always enter and leave
611 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
614 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
616 2009-02-18 Jakub Jelinek <jakub@redhat.com>
618 PR tree-optimization/36922
619 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
620 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
623 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
625 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
628 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
630 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
632 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
634 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
637 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
638 Richard Sandiford <rdsandiford@googlemail.com>
640 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
641 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
642 (loongson_biadd): ...this.
644 2009-02-17 Richard Guenther <rguenther@suse.de>
646 PR tree-optimization/39202
647 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
648 a var make sure to follow existing collapses.
650 2009-02-17 Richard Guenther <rguenther@suse.de>
653 * langhooks.c (lhd_print_error_function): Check for NULL block.
655 2009-02-17 Richard Guenther <rguenther@suse.de>
657 PR tree-optimization/39204
658 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
661 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
663 * config/soft-fp/double.h: Update from glibc CVS.
665 2009-02-17 Richard Guenther <rguenther@suse.de>
667 PR tree-optimization/39207
668 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
669 strict-aliasing warnings for pointers pointing to NULL.
671 2009-02-16 Joseph Myers <joseph@codesourcery.com>
674 * c-parser.c (c_parser_braced_init): Call pop_init_level when
675 skipping until next close brace.
677 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
680 * config/i386/i386.c (ix86_expand_push): Set memory alignment
681 to function argument boundary.
683 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
685 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
686 in the lea_add. Reload eventually constraints it properly.
687 * config/picochip/constraints.md : Remove the target constraint
688 "b", since it is not needed anymore.
690 2009-02-16 Jakub Jelinek <jakub@redhat.com>
692 * gthr-dce.h: Uglify function parameter and local variable names.
693 * gthr-gnat.h: Likewise.
694 * gthr-mipssde.h: Likewise.
695 * gthr-nks.h: Likewise.
696 * gthr-posix95.h: Likewise.
697 * gthr-posix.h: Likewise.
698 * gthr-rtems.h: Likewise.
699 * gthr-single.h: Likewise.
700 * gthr-solaris.h: Likewise.
701 * gthr-tpf.h: Likewise.
702 * gthr-vxworks.h: Likewise.
703 * gthr-win32.h: Likewise.
705 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
708 * config/i386/i386.md: Restrict the new peephole2 to move
709 between MMX/SSE registers.
711 2009-02-15 Richard Guenther <rguenther@suse.de>
714 2009-02-13 Richard Guenther <rguenther@suse.de>
716 * configure.ac: Enable LFS.
717 * configure: Re-generate.
718 * config.in: Likewise.
720 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
722 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
723 spu_srqwbyte, spu_srqwbytebc): Define.
724 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
725 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
726 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
727 "shrqby_<mode>"): New insn-and-split patterns.
728 * config/spu/spu.c (expand_builtin_args): Determine and return
729 number of operands using spu_builtin_description data.
730 (spu_expand_builtin_1): Use it.
732 2009-02-13 Steve Ellcey <sje@cup.hp.com>
735 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
738 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
741 * config/i386/i386.c (override_options): Correct warning
742 messages for -malign-loops, -malign-jumps and -malign-functions.
744 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
747 * config/i386/i386.md: Restrict the new peephole2 to move
748 between the general purpose registers.
750 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
753 * config/i386/i386.c (type_natural_mode): Add a new argument.
754 Return the original mode and warn ABI change if vector size is 32byte.
755 (function_arg_advance): Updated.
756 (function_arg): Likewise.
757 (ix86_function_value): Likewise.
758 (ix86_return_in_memory): Likewise.
759 (ix86_sol10_return_in_memory): Likewise.
760 (ix86_gimplify_va_arg): Likewise.
761 (function_arg_32): Don't warn ABX ABI change here.
762 (function_arg_64): Likewise.
764 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
766 * loop-iv.c (implies_p): In the final case, test that operands 0
767 of the two comparisons match.
769 * config/bfin/bfin.c (find_prev_insn_start): New function.
770 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
771 (find_next_insn_start): Move.
773 2009-02-13 Richard Guenther <rguenther@suse.de>
775 * configure.ac: Enable LFS.
776 * configure: Re-generate.
777 * config.in: Likewise.
779 2009-02-13 Joseph Myers <joseph@codesourcery.com>
782 * c-parser.c (c_parser_parms_list_declarator): Discard pending
783 sizes on syntax error after some arguments have been parsed.
785 2009-02-12 Jakub Jelinek <jakub@redhat.com>
787 * doc/invoke.texi (-fira): Remove.
789 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
791 * caller-save.c: Replace regclass.c with reginfo.c in comments.
795 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
797 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
798 (umul_ppmm): Likewise.
799 (count_leading_zeros): Likewise.
800 (count_trailing_zeros): Likewise.
801 (UMUL_TIME): Likewise.
803 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
805 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
806 soft-fp/t-softfp to tmake_file.
808 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
809 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
810 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
811 IA64_BUILTIN_INFQ]: New.
812 (ia64_init_builtins): Initialize __builtin_infq,
813 __builtin_fabsq and __builtin_copysignq if not HPUX.
814 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
815 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
817 * config/ia64/lib1funcs.asm (__divtf3): Define only if
819 (__fixtfti): Likewise.
820 (__fixunstfti): Likewise.
821 (__floattitf): Likewise.
823 * config/ia64/libgcc-glibc.ver: New.
824 * config/ia64/t-fprules-softfp: Likewise.
825 * config/ia64/sfp-machine.h: Likewise.
827 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
828 (LIBGCC2_TF_CEXT): Likewise.
830 (TARGET_INIT_LIBFUNCS): Likewise.
832 * config/ia64/t-glibc (SHLINB_MAPFILES):
833 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
835 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
837 * config/i386/i386.c (construct_container): Rewrite processing
838 BLKmode with X86_64_SSE_CLASS.
840 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
843 * config/i386/i386.md: Replace simplify_replace_rtx with
844 replace_rtx in the new peephole2.
846 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
848 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
849 loop unrolling do not happen at -O2.
851 2009-02-12 Michael Matz <matz@suse.de>
853 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
855 2009-02-12 Jakub Jelinek <jakub@redhat.com>
857 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
860 2009-02-12 Ben Elliston <bje@au.ibm.com>
862 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
863 patterns when updating the back chain. Missed in the 2009-02-10
866 2009-02-11 Janis Johnson <janis187@us.ibm.com>
868 * doc/extend.texi (Decimal Floating Types): Update identifier of
869 draft TR and list of missing support.
871 2009-02-11 Jakub Jelinek <jakub@redhat.com>
874 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
875 bit to variable length decl's flags, add it also to its
876 pointer replacement variable.
878 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
879 Jakub Jelinek <jakub@redhat.com>
882 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
883 (memory_blockage): New expander.
884 (*memory_blockage): New insn pattern.
885 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
886 instead of general blockage at the end of function prologue when
887 frame pointer is used to access red zone area. Do not emit blockage
888 when profiling, it is emitted in generic code.
889 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
890 function epilogue when frame pointer is used to access red zone area.
892 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
895 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
896 by arithmetic with memory operands.
897 * config/i386/predicates.md (commutative_operator): New.
899 2009-02-10 Janis Johnson <janis187@us.ibm.com>
901 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
904 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
906 * alias.h (record_alias_subset): Declare.
907 * alias.c (record_alias_subset): Make global.
909 2009-02-10 Nick Clifton <nickc@redhat.com>
911 * tree-parloops.c: Change license to GPLv3.
912 * ipa-struct-reorg.c: Change license to GPLv3.
913 * ipa-struct-reorg.h: Change license to GPLv3.
915 2009-02-10 Steve Ellcey <sje@cup.hp.com>
918 * c-decl.c (start_struct): Return NULL on error.
920 2009-02-10 Jakub Jelinek <jakub@redhat.com>
923 * cfgloopmanip.c (remove_path): Call remove_bbs after
924 cancel_loop_tree, not before it.
927 * function.h (struct function): Add has_local_explicit_reg_vars bit.
928 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
930 * tree-ssa-live.c (remove_unused_locals): Recompute
931 cfun->has_local_explicit_reg_vars.
932 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
933 copies or clearings if cfun->has_local_explicit_reg_vars.
935 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
938 * config/i386/i386.c (expand_prologue): Emit blockage at the end
939 of function prologue when frame pointer is used to access
942 2009-02-10 Richard Guenther <rguenther@suse.de>
945 * gimplify.c (gimple_regimplify_operands): Always look if
946 we need to create a temporary.
948 2009-02-10 Richard Guenther <rguenther@suse.de>
950 PR tree-optimization/39132
951 * tree-loop-distribution.c (todo): New global var.
952 (generate_memset_zero): Trigger TODO_rebuild_alias.
953 (tree_loop_distribution): Return todo.
955 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
958 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
959 (x86_64_reg_class_name): Removed.
960 (classify_argument): Return 0 if bytes > 32. Return 0 if the
961 first one isn't X86_64_SSE_CLASS or any other ones aren't
962 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
963 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
964 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
965 and 3 X86_64_SSEUP_CLASS.
966 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
967 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
969 2009-02-10 Ben Elliston <bje@au.ibm.com>
971 * config/rs6000/rs6000.md (allocate_stack): Always use an update
972 form instruction to update the stack back chain word, even if the
973 user has disabled the generation of update instructions.
974 (movdi_<mode>_update_stack): New.
975 (movsi_update_stack): Likewise.
976 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
977 always use an update form instruction to update the stack back
980 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
983 * graphite.c (if_region_set_false_region): After moving a region in
984 the false branch of a condition, remove the empty dummy basic block.
985 (gloog): Remove wrong fix for PR38953.
987 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
989 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
990 generation due to implicit sign extension.
992 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
995 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
996 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
998 2009-02-09 Richard Guenther <rguenther@suse.de>
1001 * convert.c (convert_to_real): Disable (float)fn((double)x)
1002 to fnf(x) conversion if errno differences may occur and
1003 -fmath-errno is set.
1005 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1007 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1008 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1009 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1011 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1014 * c-common.c (handle_alias_attribute): Disallow attribute for
1015 anything not a FUNCTION_DECL or VAR_DECL.
1017 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1020 * real.c (do_compare): Special-case compare of zero against
1021 decimal float value.
1023 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1026 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1027 as indicating flexible array members unless the field itself is
1028 being declarared as the incomplete array.
1030 2009-02-06 Jan Hubicka <jh@suse.cz>
1032 PR tree-optimization/38844
1033 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1036 2009-02-06 Richard Guenther <rguenther@suse.de>
1039 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1040 fork because we may expand it as __gcov_fork.
1042 2009-02-06 Nick Clifton <nickc@redhat.com>
1044 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1046 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1048 PR tree-optimization/35659
1049 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1050 vn_phi_eq): Shortcut if hashcode does not match.
1051 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1053 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1054 and avoid iterative_hash_expr.
1055 (FOR_EACH_VALUE_ID_IN_SET): New.
1056 (value_id_compare): Remove.
1057 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1058 sort expressions by value id.
1060 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1063 * config/sh/predicates.md (general_movsrc_operand): Don't check
1064 the subreg of system registers here.
1066 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1069 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1072 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1074 PR rtl-optimization/39110
1075 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1076 addresses, not aligned ones.
1078 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1079 Richard Guenther <rguenther@suse.de>
1081 PR tree-optimization/39100
1082 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1083 comment says and add edges.
1085 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1088 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1089 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1091 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1093 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1094 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1095 register_bb_in_sese, new_sese, free_sese): Moved.
1096 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1097 outermost_loop_in_scop, build_scop_iteration_domain,
1098 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1099 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1100 Use loop_in_sese_p instead of loop_in_scop_p.
1101 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1102 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1103 (scopdet_basic_block_info): Fix bug in scop detection.
1104 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1105 eq_loop_to_cloog_loop): Remove.
1106 (nb_loops_around_loop_in_scop, nb_loop
1107 ref_nb_loops): Moved here...
1108 * graphite.h (ref_nb_loops): ... from here.
1109 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1110 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1111 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1112 * testsuite/gcc.dg/graphite/scop-19.c: New
1114 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1115 Hans-Peter Nilsson <hp@axis.com>
1117 PR rtl-optimization/37889
1118 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1119 Move offset handling from PLUS to before the switch. Use new
1120 arguments when considering SYMBOL_REFs too.
1121 (rtx_addr_can_trap_p): Pass dummy offset and size.
1122 (enum may_trap_p_flags): Remove.
1123 (may_trap_p_1): Pass size from MEM_SIZE.
1125 PR rtl-optimization/38921
1126 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1127 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1128 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1129 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1131 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1133 AVX Programming Reference (January, 2009)
1134 * config/i386/sse.md (*vpclmulqdq): New.
1136 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1138 PR tree-optimization/38977
1139 PR gcov-profile/38292
1140 * calls.c (special_function_p): Disregard __builtin_ prefix.
1142 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1144 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1145 non-indexable addresses even before reload.
1147 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1150 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1151 as having variable size. Do not give an error for unnamed
1152 parameters with [*] declarators. Give a warning for type names
1153 with [*] declarators and mark them as variable size.
1154 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1155 for sizeof applied to [*] type names.
1157 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1160 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1162 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1164 * gcc.c (process_command): Update copyright notice dates.
1165 * gcov.c (print_version): Likewise.
1166 * gcov-dump.c (print_version): Likewise.
1167 * mips-tfile.c (main): Likewise.
1168 * mips-tdump.c (main): Likewise.
1170 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1173 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1174 for composite type involving a zero-length array type.
1176 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1179 * function.c (match_asm_constraints_1): Skip over
1180 initial optional % in the constraint.
1183 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1184 supported, don't accept FIXED_CSTs.
1185 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1186 and _Sat is used without _Fract/_Accum. Set specs->type to
1187 integer_type_node for cts_fract/cts_accum if fixed point is not
1190 2009-02-02 Catherine Moore <clm@codesourcery.com>
1192 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1194 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1196 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1197 (ABI_HAS_64BIT_SYMBOLS): Use it.
1198 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1200 2009-02-02 Paul Brook <paul@codesourcery.com>
1202 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1204 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1207 * recog.h (asm_operand_ok): Add constraints argument.
1208 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1209 recurse on matching constraint.
1210 (check_asm_operands): Pass constraints as 3rd argument to
1211 asm_operand_ok. Don't look up matching constraint here.
1212 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1215 2009-02-02 Ben Elliston <bje@au.ibm.com>
1217 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1218 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1220 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1222 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1223 information. Remove some obsolete information. Reorganize.
1225 * config/pa/fptr.c: Revert license to GPL 2.
1226 * config/pa/milli64.S: Likewise.
1228 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1231 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1232 LIBRARY name in, instead of hard-coding it.
1233 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1234 extra target make frag to tmake_files according to EH model.
1235 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1236 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1237 frags that define makefile variable EH_MODEL appropriately.
1238 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1239 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1240 to "-sjlj" according to type of EH configured.
1241 (LIBGCC_SONAME): Concatenate it to shared library base name.
1242 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1243 to "_sjlj" according to type of EH configured.
1244 (LIBGCC_SONAME): Concatenate it to shared library base name.
1245 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1246 (SHLIB_LINK): Add missing semicolon to if-else construct.
1247 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1248 string value of "pe_dll" command-line option.
1249 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1250 (SHLIB_SONAME): Use it when overriding t-cygming default.
1251 (SHLIB_IMPLIB): Override t-cygming default.
1252 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1253 string value of "pe_dll" command-line option.
1255 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1258 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1259 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1261 2009-01-31 Richard Guenther <rguenther@suse.de>
1263 PR tree-optimization/38937
1264 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1265 computing the transitive closure.
1267 2009-01-30 Richard Guenther <rguenther@suse.de>
1269 PR tree-optimization/39041
1270 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1271 Propagate variable indices only if the types match for this stmt.
1273 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1276 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1277 inline but never defined.
1279 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1281 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1282 (*insv_h_di_reg_extimm): New insn.
1283 (*insv_l<mode>_reg_extimm): New insn.
1285 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1287 * config/picochip/picochip.c (flag_conserve_stack): set
1288 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1289 fconserve-stack. Reduce call-overhead used by inliner.
1291 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1294 * common.opt (flag_conserve_stack): Initialised to zero.
1296 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1299 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1300 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1303 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1305 * ira-color.c (allocno_reload_assign): Update comments.
1306 * regmove.c (regmove_optimize): Likewise.
1310 2009-01-29 Robert Millan <rmh@aybabtu.com>
1312 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1313 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1314 `MD_UNWIND_SUPPORT'.
1315 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1317 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1319 PR tree-optimization/39007
1320 * tree-loop-distribution.c (generate_builtin): Use
1321 recompute_dominator to compute the immediate dominator of the
1322 basic block just after the loop.
1324 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1326 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1327 (ASM_OUTPUT_DWARF_PCREL): Define.
1329 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1331 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1332 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1333 global. Modify entries about regmove and IRA.
1335 * ra-conflict.c: Remove the file.
1337 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1339 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1340 (pass_regclass_init): Rename to pass_reginfo_init.
1342 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1344 * toplev.h (flag_ira): Remove.
1346 * caller-save.c (setup_save_areas): Remove flag_ira.
1348 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1350 * global.c: Remove the file.
1352 * opts.c: (decode_options): Remove flag_ira.
1354 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1356 * regmove.c: Modify file description.
1357 (find_use_as_address, try_auto_increment): Define them only if
1358 AUTO_INC_DEC is defined.
1359 (replacement_quality, replace_in_call_usage, fixup_match_1,
1360 stable_and_no_regs_but_for_p): Remove.
1361 (reg_set_in_bb): Make it static.
1362 (regmove_optimize): Remove flag_ira and code which worked for
1365 * local-alloc.c: Remove the file.
1367 * common.opt (fira): Remove.
1369 * ira.c: Include except.h.
1370 (eliminable_regset): Move from global.c.
1371 (mark_elimination): Ditto. Remove flag_ira.
1372 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1373 equiv_mem_modified, validate_equiv_mem_from_store,
1374 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1375 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1376 no_equiv, recorded_label_ref): Move from local-alloc.c.
1377 (update_equiv_regs): Ditto. Make it static.
1378 (print_insn_chain, print_insn_chains): Move it from global.c.
1379 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1380 (build_insn_chain): Ditto. Make it static.
1381 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1382 Rename to init_live_subregs.
1383 (gate_ira): Remove flag_ira.
1385 * regclass.c: Rename reginfo.c. Change file description.
1386 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1387 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1388 (init_reg_sets_1): Remove code for evaluation of
1389 reg_class_superclasses and losing_caller_save_reg_set.
1390 (init_regs): Remove init_reg_autoinc.
1391 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1392 ok_for_base_p_nonstrict): Remove.
1393 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1394 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1395 corresponding entries.
1396 (dump_regclass, record_operand_costs, scan_one_insn,
1397 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1398 record_address_regs, auto_inc_dec_reg_p): Remove.
1399 (gt-regclass.h): Rename to gt-reginfo.h.
1401 * rtl.h (dump_global_regs, retry_global_alloc,
1402 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1404 * Makefile.in (RA_H): Remove.
1405 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1406 Rename regclass.o to reginfo.o.
1407 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1409 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1410 (GTFILES): Rename regclass.c to reginfo.c.
1412 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1413 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1415 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1416 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1418 (finish_spills): Ditto. Remove code for !flag_ira.
1420 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1423 * doc/invoke.texi (rtl debug options): Complete rewrite.
1424 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1426 * mode-switching.c (pass_mode_switching): Rename pass from
1427 "mode-sw" to "mode_sw".
1428 * except.c (pass_convert_to_eh_ranges): Rename pass from
1429 "eh-ranges" to "eh_ranges".
1430 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1434 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1435 Alexander Monakov <amonakov@ispras.ru>
1438 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1440 (move_exprs_to_boundary): Change return type and pass through
1441 should_move from move_op. Relax assert. Update usage ...
1442 (schedule_expr_on_boundary): ... here. Use should_move instead of
1444 (move_op_orig_expr_found): Indicate that insn was disconnected from
1446 (code_motion_process_successors): Do not call after_merge_succs
1447 callback if original expression was not found when traversing any of
1449 (code_motion_path_driver): Change return type. Update prototype.
1450 (move_op): Update comment. Add a new parameter (should_move). Update
1451 prototype. Set *should_move based on indication provided by
1452 move_op_orig_expr_found.
1454 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1456 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1457 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1458 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1459 * config/rs6000/rs6000.c (rs6000_override_options): Default
1460 avoid-indexed-addresses on for Power6, off for everything else.
1461 (avoiding_indexed_address_p): New function.
1462 (rs6000_legitimize_address): Use it.
1463 (rs6000_legitimate_address): Likewise.
1464 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1466 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1468 PR tree-optimization/38997
1469 * tree-loop-distribution.c (generate_memset_zero): Use
1470 POINTER_PLUS_EXPR for a pointer addition.
1472 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1474 * config/s390/s390.md (bswap<mode>2): New pattern added.
1476 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1478 * config/s390/s390.md (*tls_load_31): Added type attribute.
1480 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1482 * config/s390/s390.md: Fix a few comments.
1484 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1486 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1487 (*tm<mode>_full): Fixed z10prop attribute.
1488 (*tst<mode>_extimm): Fixed z10prop attribute.
1489 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1490 (*tstqiCCT_cconly): Fixed z10prop attribute.
1491 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1492 (*movsi_larl): Fixed z10prop attribute.
1493 (*movsi_zarch): Fixed z10prop attribute.
1494 (*movsi_eas): Fixed z10prop attribute.
1495 (*movhi): Fixed z10prop attribute.
1496 (*movqi): Fixed z10prop attribute.
1497 (*movstrictqi): Fixed z10prop attribute.
1498 (*mov<mode>): Fixed z10prop attribute.
1499 (*movcc): Fixed z10prop attribute.
1500 (*sethighpartdi_64): Fixed z10prop attribute.
1501 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1502 (*negdi2_sign_cc): Fixed z10prop attribute.
1503 (*negdi2_sign): Fixed z10prop attribute.
1504 (*absdi2_sign_cc): Fixed z10prop attribute.
1505 (*absdi2_sign): Fixed z10prop attribute.
1506 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1507 (*negabsdi2_sign): Fixed z10prop attribute.
1508 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1509 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1510 (doloop_si64): Fixed z10prop attribute.
1511 (doloop_si31): Fixed z10prop attribute.
1512 (doloop_long): Fixed z10prop attribute.
1513 (indirect_jump): Fixed z10prop attribute.
1514 (nop): Fixed z10prop attribute.
1515 (main_base_64): Fixed z10prop attribute.
1516 (reload_base_64): Fixed z10prop attribute.
1518 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1520 PR rtl-optimization/38740
1521 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1523 * config/mips/mips.c (mips_reorg): Likewise.
1525 2009-01-28 Richard Guenther <rguenther@suse.de>
1527 PR tree-optimization/38926
1528 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1529 with the correct value id to a value.
1530 (do_regular_insertion): Use the value number of edoubleprime
1531 for the value number of the expr.
1534 2008-08-21 Richard Guenther <rguenther@suse.de>
1536 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1537 a PHI ask VN if it is already available.
1538 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1539 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1541 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1544 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1545 set to varying whenever max has TREE_OVERFLOW set, similarly
1546 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1548 2009-01-28 Richard Guenther <rguenther@suse.de>
1551 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1552 uninitialized aggregate uses in call arguments.
1554 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1556 PR tree-optimization/38984
1557 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1558 the nothing_id variable if -fno-delete-null-pointer-checks.
1560 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1563 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1564 (set_got_offset_rex64): Ditto.
1566 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1569 * doc/extend.texi: Improve local variable with asm reg.
1571 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1573 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1574 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1575 was not supplied then set warn_packed_bitfield_compat to the
1577 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1580 2009-01-27 Richard Guenther <rguenther@suse.de>
1582 PR tree-optimization/38503
1583 * cfgexpand.c (expand_gimple_basic_block): Ignore
1584 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1585 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1586 variables that cannot have TBAA applied.
1587 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1590 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1593 * calls.c (initialize_argument_information): Do not wrap complex
1594 arguments in SAVE_EXPR.
1596 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1598 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1599 (INSTALL_LIBGCC): Revert typo commit.
1601 2009-01-26 Richard Guenther <rguenther@suse.de>
1603 PR tree-optimization/38745
1604 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1605 from special handling.
1607 2009-01-26 Richard Guenther <rguenther@suse.de>
1609 PR tree-optimization/38745
1610 * tree-ssa.c (execute_update_addresses_taken): Do not include
1611 variables that cannot possibly be a register in not_reg_needs.
1612 Do not clear TREE_ADDRESSABLE on vars that may not become
1614 * tree-ssa.c (update_alias_info_1): Include those in the set
1615 of addressable vars.
1617 2009-01-26 Richard Guenther <rguenther@suse.de>
1620 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1621 * tree-ssa-dse.c: Include langhooks.h
1622 (execute_simple_dse): Remove stores with zero size.
1624 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1627 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1630 2009-01-24 Julian Brown <julian@codesourcery.com>
1632 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1633 config/arm/linux-atomic.c.
1634 * config/arm/linux-atomic.c: New.
1636 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1638 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1639 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1640 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1642 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1645 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1648 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1650 PR tree-optimization/38953
1651 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1652 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1653 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1654 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1657 2009-01-24 Paul Brook <paul@codesourcery.com>
1659 * config/arm/neon.md (neon_type): Move to arm.md.
1660 (neon_mov<VSTRUCT>): Add neon_type attribute.
1661 * config/arm/arm.md (neon_type): Move to here.
1662 (conds): Add "unconditioal" and use as default for NEON insns.
1664 2009-01-24 Ben Elliston <bje@au.ibm.com>
1666 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1667 void *' warning from -Wc++-compat.
1668 * Makefile.in (dominance.o-warn): Remove.
1670 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1672 PR tree-optimization/38932
1673 * fold-const.c (fold_unary_ignore_overflow): New.
1674 * tree.h (fold_unary_ignore_overflow): Declare.
1675 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1676 * tree-ssa-sccvn.c (visit_reference_op_load,
1677 simplify_unary_expression): Likewise.
1679 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1681 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1682 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1683 regardless of their type.
1684 * c-common.c (handle_packed_attribute): Don't ignore packed on
1686 * c.opt (Wpacked-bitfield-compat): New warning option.
1687 * stor-layout.c (place_field): Warn if offset of a field changed.
1688 * doc/extend.texi (packed): Mention the ABI change.
1689 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1690 (Warning Options): Add it to the list.
1692 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1694 * c-opts.c (c_common_post_options): Fix a typo in comments.
1696 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1699 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1700 variables to static.
1701 * doc/invoke.texi (-fmerge-all-constants): Update description.
1703 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1706 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1707 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1709 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1711 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1713 (LOCAL_ALIGNMENT): Similarly.
1715 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1716 Joseph Myers <joseph@codesourcery.com>
1718 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1719 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1720 * config/arm/arm-tune.md: Regenerate.
1721 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1724 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1726 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1727 version number to five.
1729 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1732 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1733 * c-common.c (set_underlying_type): Likewise.
1734 (is_typedef_decl ): Likewise
1736 (set_underlying_type): Likewise.
1737 (is_typedef_type): Likewise.
1739 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1742 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1745 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1748 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1749 (LIBGCC_SPEC): Don't define.
1750 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1752 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1754 PR rtl-optimization/38879
1755 * alias.c (base_alias_check): Unaligned access via AND address can
1756 alias all surrounding object types except those with sizes equal
1757 or wider than the size of unaligned access.
1759 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1762 * c-decl.c: (clone_underlying_type): Move this ...
1763 * c-common.c (set_underlying_type): ... here.
1764 Also, make sure the function properly sets TYPE_STUB_DECL() on
1765 the newly created typedef variant type.
1766 (is_typedef_decl ): New entry point.
1767 * tree.h: Added a new member member_types_needing_access_check to
1768 struct tree_decl_non_common.
1769 (set_underlying_type): New entry point.
1770 (is_typedef_type): Likewise.
1772 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1774 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1775 Check whether two instructions have memory references that
1776 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1777 are helper functions for traversing.
1778 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1779 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1780 not to draw dependency edge for instructions with non-conflicting
1783 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1786 * longlong.h: Update copyright years. Use soft-fp license notice.
1787 Sync __clz_tab declaration with glibc.
1789 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1792 * doc/extend.texi (syscall_linkage): New.
1793 (version_id): Modify.
1795 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1796 Richard Guenther <rguenther@suse.de>
1798 PR tree-optimization/38747
1799 PR tree-optimization/38748
1800 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1801 conversion if the base address is an indirect reference and the
1802 aliasing sets could cause issues.
1804 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1806 * common.opt (fgraphite, fgraphite-identity): Add comment for
1807 explaining why these options are not documented.
1809 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1811 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1812 gimple_call_lhs is NULL.
1814 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1817 * emit-rtl.c (adjust_address_1): Make sure memref is never
1820 2009-01-20 Ben Elliston <bje@au.ibm.com>
1822 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1823 const qualifier from arg parameter. Remove unnecessary cast to char *.
1824 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1825 const qualifier from arg 2.
1827 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1829 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1831 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1834 * rtl.h (reinit_regs): New prototype.
1835 * regclass.c: Include ira.h.
1837 * Makefile.in (regclass.o): Add ira.h.
1838 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1840 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1843 * c-common.c (handle_aligned_attribute): Use
1844 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1845 default alignment value.
1847 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1849 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1850 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1852 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1853 __BIGGEST_ALIGNMENT__.
1855 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1857 2009-01-18 Richard Guenther <rguenther@suse.de>
1859 PR tree-optimization/38819
1860 * tree-flow.h (operation_could_trap_helper_p): Declare.
1861 * tree-eh.c (operation_could_trap_helper_p): Export.
1862 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1863 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1864 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1865 are about to insert a possibly trapping instruction and fail
1868 2009-01-18 Andreas Schwab <schwab@suse.de>
1870 * doc/install.texi (Configuration): Remove obsolete paragraph
1871 about use of --with-gnu-ld with --with-gnu-as.
1873 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1875 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1876 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1877 Follow spelling conventions.
1879 2009-01-18 Ben Elliston <bje@au.ibm.com>
1881 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1882 C++ warning about implicit conversion from void * to struct
1884 (bitmap_obstack_free): Likewise for bitmap_element *.
1885 * Makefile.in (bitmap.o-warn): Remove.
1887 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1889 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1891 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1892 Tobias Grosser <tobi.grosser@amd.com>
1894 * graphite.c (graphite_trans_scop_block): Do not block single
1897 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1899 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1900 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1901 test with assertion.
1903 2009-01-16 Richard Guenther <rguenther@suse.de>
1905 PR tree-optimization/38835
1907 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1908 and INT + PTR -> (INT)(PTR p+ INT) folding.
1909 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1911 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1914 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1915 the subreg from a lowpart subreg if it is also casting the value.
1917 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1918 Tobias Grosser <tobi.grosser@amd.com>
1920 * graphite.c (compare_prefix_loops): New.
1921 (build_scop_canonical_schedules): Rewritten.
1922 (graphite_transform_loops): Move build_scop_canonical_schedules
1923 after build_scop_iteration_domain.
1925 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1926 Tobias Grosser <tobi.grosser@amd.com>
1928 * graphite.c (add_conditions_to_domain): Add the loops to
1929 the dimension of the iteration domain. Do copy the domain
1930 only when it exists.
1931 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1932 (add_conditions_to_constraints): New.
1933 (can_generate_code_stmt, can_generate_code): Removed.
1934 (gloog): Do not call can_generate_code.
1935 (graphite_transform_loops): Call add_conditions_to_constraints
1936 after building the iteration domain.
1938 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1940 PR tree-optimization/38789
1941 * tree-ssa-threadedge.c
1942 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1943 __builtin_constant_p.
1945 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1947 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1948 examined before deleting them.
1950 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1952 * function.c (aggregate_value_p): Correctly extract the function
1953 type from CALL_EXPR_FN lookup.
1955 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1957 * config/picochip/picochip.c (picochip_override_options): Revert
1958 CFI asm flag disable commited previously.
1960 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1961 Tobias Grosser <tobi.grosser@amd.com>
1962 Jan Sjodin <jan.sjodin@amd.com>
1964 * graphite.c (scan_tree_for_params): On substractions negate
1965 all the coefficients of the term.
1966 (clast_to_gcc_expression_red): New. Handle reduction expressions
1967 of more than two operands.
1968 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1969 (get_vdef_before_scop): Handle also the case of default definitions.
1971 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1973 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1974 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1975 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1977 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1978 Joey Ye <joey.ye@intel.com>
1981 * cfgexpand.c (expand_stack_alignment): Don't update stack
1982 boundary nor check incoming stack boundary here.
1983 (gimple_expand_cfg): Update stack boundary and check incoming
1984 stack boundary here.
1986 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1988 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1990 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1992 PR rtl-optimization/38245
1993 * calls.c (expand_call): Add stack arguments to
1994 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1995 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1996 in regs and partially in memory or BLKmode arguments.
1997 (emit_library_call_value_1): Add stack arguments to
1998 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1999 ACCUMULATE_OUTGOING_ARGS).
2000 * dce.c: Include tm_p.h.
2001 (find_call_stack_args): New function.
2002 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2004 (mark_insn): Call find_call_stack_args for CALL_Ps.
2005 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2006 forwards. Allocate and free arg_stores bitmap if needed, pass it
2007 down to deletable_insn_p, don't mark stores set in arg_stores
2008 bitmap, clear the bitmap at the beginning of each bb.
2009 * Makefile.in (dce.o): Depend on $(TM_P_H).
2011 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2014 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2015 to make sure the insn is a conditional test (bug 22599). Reformat a
2018 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2021 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2022 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2023 (gloog): Do not call cleanup_tree_cfg.
2024 (graphite_transform_loops): Call cleanup_tree_cfg after all
2025 scops have been code generated.
2027 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2028 * doc/gty.texi (Invoking the garbage collector): Added new node
2029 and section documenting ggc_collect.
2031 2009-01-14 Richard Guenther <rguenther@suse.de>
2033 PR tree-optimization/38826
2035 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2036 initialization notes only if we actually emitted a warning.
2037 (intra_create_variable_infos): Add constraints for a result decl
2038 that is passed by hidden reference.
2039 (build_pred_graph): Mark all related variables non-direct on
2042 2009-01-14 Nick Clifton <nickc@redhat.com>
2044 * ira-conflicts.c: Include addresses.h for the definition of
2046 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2047 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2049 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2052 * Makefile.in (ira-lives.o): Add except.h.
2054 * ira-lives.c: Include except.h.
2055 (process_bb_node_lives): Process can_throw_internal.
2057 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2059 PR rtl-optimization/38774
2060 * combine.c (simplify_set): When undoing cc_use change, don't do
2061 PUT_CODE on the newly created comparison, but instead put back the
2064 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2066 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2067 values. Remove duplicate arm8 entry.
2069 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2071 PR tree-optimization/38786
2072 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2073 the SSA_NAME case of expand_scalar_variables_expr.
2074 Set the type of an expression to the type of its assign statement.
2075 (expand_scalar_variables_expr): Also gather the scalar computation
2076 used to index the memory access. Do not pass loop_p.
2077 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2078 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2079 the gimple_stmt_iterator where it inserts new code.
2081 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2082 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2084 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2086 * graphite.h (debug_value): Removed.
2087 * graphite.c (debug_value): Removed.
2089 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2091 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2092 ldrd/strd with two 32-bit instructions.
2094 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2096 * config/arm/arm.c (struct processors): Pass for speed down into
2097 cost helper functions.
2098 (const_ok_for_op): Handle COMPARE and inequality nodes.
2099 (arm_rtx_costs_1): Rewrite.
2100 (arm_size_rtx_costs): Update prototype.
2101 (arm_rtx_costs): Pass speed down to helper functions.
2102 (arm_slowmul_rtx_costs): Rework cost calculations.
2103 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2104 (arm_9e_rtx_costs): Likewise.
2106 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2108 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2109 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2110 (alpha_legitimize_address): Do not split local symbols wider than
2111 UNITS_PER_WORD into HIGH/LO_SUM parts.
2113 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2116 * gcc.c (process_command): Replace call to execvp with calls
2117 to pex_one and exit.
2119 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2122 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2123 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2124 variant for devices with 3-byte PC.
2125 (__tablejump_elpm__) : New.
2127 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2130 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2131 offsetof member-designator, handle it as `[0].'.
2133 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2135 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2136 function when not using named sections on targets with named sections
2137 if branch distance is less than 262132.
2139 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2141 * combine.c (combine_instructions): Recompute
2142 optimize_this_for_speed_p for each BB in the main combine loop.
2144 2009-01-12 Tomas Bily <tbily@suse.cz>
2147 * tree-loop-distribution.c (prop_phis): New function.
2148 (generate_builtin): Call prop_phis.
2149 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2151 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2153 PR tree-optimization/38807
2154 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2155 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2157 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2159 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2160 subreg of op0 to the original op0.
2162 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2164 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2166 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2169 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2170 starting with digits.
2172 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2175 * config/arm/arm.c (arm_is_long_call_p): Don't call
2176 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2178 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2180 * regrename.c (regrename_optimize): Fix dumping.
2181 (find_oldest_value_reg): Preserve REG_POINTER.
2182 (copy_hardreg_forward_1): Likewise.
2184 2009-01-09 Diego Novillo <dnovillo@google.com>
2186 * gimple.h (struct gimple_statement_base) <uid>: Document
2187 the restrictions on its use.
2189 (gimple_set_uid): Tidy.
2191 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2193 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2194 zero guard even if align_bytes != 0 and count is smaller than
2197 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2199 PR rtl-optimization/38495
2200 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2201 (add_range_and_copies_from_move_list): Print all added ranges.
2202 Add ranges to memory optimized destination.
2204 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2208 * config/i386/i386.c (override_options): Reject
2209 -mstringop-strategy=rep_8byte with -m32.
2210 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2211 to 1. Do count comparison against epilogue_size_needed at compile
2212 time even when count_exp was constant forced into register. For
2213 size_needed don't jump to epilogue, instead just avoid aligning
2214 and invoke the body algorithm. If need_zero_guard, add zero guard
2215 even if count is non-zero, but smaller than size_needed + number of
2216 bytes that could be stored for alignment.
2217 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2218 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2219 but smaller than size_needed + number of bytes that could be stored
2220 for alignment. Compare size_needed with epilogue_size_needed instead
2221 of desired_align - align, don't adjust size_needed, pass
2222 epilogue_size_needed to the epilogue expanders.
2225 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2227 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2229 * pa.c (last_address): Change to unsigned.
2230 (update_total_code_bytes): Change argument to unsigned. Don't
2231 check if insn addresses are set.
2232 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2233 addresses are not set.
2234 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2236 2009-01-09 Nick Clifton <nickc@redhat.com>
2238 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2239 DECL_DECLARED_INLINE_P.
2241 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2244 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2245 GET_MODE (op0) in operand_subword_force calls.
2248 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2249 fold_convert arg0 operands to TREE_TYPE (op0) first.
2251 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2253 * params.def (ira-max-conflict-table-size): Decrease default value
2256 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2258 PR tree-optimization/37031
2259 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2261 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2262 allocate it using gc instead of heap, use VEC_quick_push instead of
2264 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2265 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2266 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2267 allocated vector from heap allocated.
2268 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2269 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2270 vector only after perfect_loop_nest_depth call.
2272 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2273 Jan Sjodin <jan.sjodin@amd.com>
2275 PR tree-optimization/38559
2276 * graphite.c (debug_value, copy_constraint,
2277 swap_constraint_variables, scale_constraint_variable, ): New.
2278 (get_lower_bound, get_upper_bound): Removed.
2279 (graphite_trans_bb_strip_mine): Clean up this code that works
2280 only for constant number of iterations. Fully copy upper and
2281 lower bound constraints, not only the constant part of them.
2282 * graphite.h (debug_value): Declared.
2284 2009-01-08 Ira Rosen <irar@il.ibm.com>
2286 PR tree-optimization/37194
2287 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2288 Don't add the cost of cost model guard in prologue to scalar
2289 outside cost in case of known number of iterations.
2291 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2292 Alan Modra <amodra@bigpond.net.au>
2294 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2295 non-word-aligned REG+CONST addressing.
2297 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2300 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2301 free_after_compilation when outputting a thunk.
2302 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2303 Do not call free_after_compilation here.
2305 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2307 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2308 (ix86_valid_target_attribute_inner_p): Ditto.
2310 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2312 PR tree-optimization/38492
2313 PR tree-optimization/38498
2314 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2315 * tree-chrec.h (scev_is_linear_expression): Declared.
2316 * graphite.c (graphite_cannot_represent_loop_niter): New.
2317 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2318 (graphite_loop_normal_form): Use gcc_assert.
2319 (scan_tree_for_params): Use CASE_CONVERT.
2320 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2321 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2322 Use gcc_assert. Discard scops that contain unhandled cases.
2323 (build_scop_conditions): Return a boolean status for unhandled cases.
2324 (strip_mine_profitable_p): Print the loop number, not its depth.
2325 (is_interchange_valid): Pass the depth of the loop nest, don't
2326 recompute it wrongly.
2327 (graphite_trans_bb_block): Same.
2328 (graphite_trans_bb_block): Print tentative of loop blocking.
2329 (graphite_trans_scop_block): Do not print that the loop has been
2331 (graphite_transform_loops): Do not handle scops that contain condition
2334 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2336 AVX Programming Reference (December, 2008)
2337 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2338 (_mm256_stream_pd): Likewise.
2339 (_mm256_stream_ps): Likewise.
2341 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2342 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2343 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2344 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2345 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2346 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2347 (ix86_expand_special_args_builtin): Likewise.
2349 * config/i386/sse.md (AVXMODEDI): New.
2350 (avx_movnt<mode>): Likewise.
2351 (avx_movnt<mode>): Likewise.
2352 (<sse>_movnt<mode>): Remove AVX support.
2353 (sse2_movntv2di): Likewise.
2355 2009-01-07 Richard Guenther <rguenther@suse.de>
2358 * fold-const.c (extract_muldiv): Remove obsolete comment.
2359 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2360 to PLUS_EXPR canonicalization for the canonicalization.
2362 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2364 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2365 hosted cross-compilers generating less efficient code.
2367 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2369 * function.h (rtl_data): Add a dbr_scheduled_p field.
2370 * reorg.c (dbr_schedule): Set it.
2371 (gate_handle_delay_slots): Check it.
2372 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2373 (mips_reorg): Check flag_delayed_branch instead of
2374 mips_base_delayed_branch.
2375 (mips_override_options): Don't set mips_base_delayed_branch
2376 or flag_delayed_branch.
2378 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2380 PR rtl-optimization/38426.
2381 * ira.c (ira): Set current_function_is_leaf earlier.
2383 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2385 PR rtl-optimization/38722
2386 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2387 too early, only set a flag and modify after last possible
2390 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2393 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2394 * real.c (decimal_single_format): Correct values of emin and emax.
2395 (decimal_double_format): Ditto.
2396 (decimal_quad_format): Ditto.
2397 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2398 computation of DECnn_MIN and DECnn_MAX for corrected values of
2399 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2400 __DECnn_MIN__, and adjust its computation for the corrected value
2403 2009-01-06 Jan Hubicka <jh@suse.cz>
2406 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2408 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2410 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2411 Add Robert Clark to the list of testers.
2413 2009-01-06 Jan Hubicka <jh@suse.cz>
2414 Kai Tietz <kai.tietz@onevision.com>
2416 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2417 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2419 2009-01-06 Jan Hubicka <jh@suse.cz>
2420 Kai Tietz <kai.tietz@onevision.com>
2422 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2424 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2425 (ix86_nsaved_regs): Count only general purpose regs.
2426 (ix86_nsaved_sseregs): New.
2427 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2428 to 16 for w64; compute padding and size of sse reg save area.
2429 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2430 general purpose regs.
2431 (ix86_emit_save_sse_regs_using_mov): New.
2432 (ix86_expand_prologue): Save SSE regs if needed.
2433 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2434 (ix86_emit_restore_sse_regs_using_mov): New.
2435 (ix86_expand_epilogue): Save SSE regs if needed.
2437 2009-01-06 Jan Hubicka <jh@suse.cz>
2438 Kai Tietz <kai.tietz@onevision.com>
2440 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2441 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2442 functions when accumulate outgoing args is off.
2444 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2447 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2448 before using pseudos_have_intersected_live_ranges_p.
2450 * ira-int.h (ira_assert): Always define.
2452 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2454 AVX Programming Reference (December, 2008)
2455 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2456 (_mm256_permute2_pd): Likewise.
2457 (_mm_permute2_ps): Likewise.
2458 (_mm256_permute2_ps): Likewise.
2459 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2460 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2462 * config/i386/i386.c (ix86_builtins): Remove
2463 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2464 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2465 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2466 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2467 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2468 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2469 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2470 __builtin_ia32_vpermil2ps256.
2471 (ix86_init_mmx_sse_builtins): Updated.
2472 (ix86_expand_args_builtin): Likewise.
2474 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2476 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2477 long absolute calls when generating PA 2.0 code.
2479 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2481 PR rtl-optimization/38583
2482 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2484 * params.def (ira-max-conflict-table-size): New.
2486 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2488 * ira.h (ira_conflicts_p): New external definition.
2490 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2491 table. Report this. Return result of building.
2492 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2493 building conflict table.
2495 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2496 (ira_color): Use ira_conflicts_p.
2498 * global.c: Include ira.h.
2499 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2502 * Makefile.in (global.o): Add ira.h.
2504 * ira-build.c (mark_all_loops_for_removal,
2505 propagate_some_info_from_allocno): New.
2506 (remove_unnecessary_allocnos): Call
2507 propagate_some_info_from_allocno.
2508 (remove_low_level_allocnos): New.
2509 (remove_unnecessary_regions): Add parameter. Call
2510 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2511 parameter to remove_unnecessary_regions.
2512 (ira_build): Remove all regions but root if the conflict table was
2513 not built. Update conflict hard regs for allocnos crossing calls.
2515 * ira.c (ira_conflicts_p): New global.
2516 (ira): Define and use ira_conflicts_p.
2518 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2519 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2520 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2522 2009-01-06 Ben Elliston <bje@au.ibm.com>
2524 * gengtype-lex.l (YY_NO_INPUT): Define.
2526 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2529 * c-common.c (handle_vector_size_attribute): Also reject
2532 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2534 PR tree-optimization/38492
2535 * graphite.c (rename_map_elt, debug_rename_elt,
2536 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2537 rename_map_elt_info, eq_rename_map_elts,
2538 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2539 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2540 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2541 (sese_build_livein_liveouts): New.
2542 (new_sese, free_sese): New.
2543 (new_scop): Call new_sese.
2544 (free_scop): Call free_sese.
2545 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2546 (register_old_new_names): Renamed register_old_and_new_names.
2547 (register_scop_liveout_renames, add_loop_exit_phis,
2548 insert_loop_close_phis, struct igp,
2549 default_liveout_before_guard, add_guard_exit_phis,
2550 insert_guard_phis, copy_renames): New.
2551 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2552 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2553 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2554 (scop_adjust_phis_for_liveouts): New.
2555 (gloog): Call scop_adjust_phis_for_liveouts.
2557 * graphite.h (struct sese): Documented. Added fields liveout,
2559 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2560 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2561 (struct scop): Added field liveout_renames.
2562 (SCOP_LIVEOUT_RENAMES): New.
2564 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2566 PR tree-optimization/38510
2567 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2568 (translate_clast): Call recompute_all_dominators before
2570 (gloog): Call recompute_all_dominators before graphite_verify.
2572 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2573 Jan Sjodin <jan.sjodin@amd.com>
2575 PR tree-optimization/38500
2576 * graphite.c (create_sese_edges): Call fix_loop_structure after
2579 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2581 * config.gcc: Add m32r*-*-rtems*.
2582 * config/m32r/rtems.h: New file.
2584 2009-01-05 Ben Elliston <bje@au.ibm.com>
2586 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2587 (.po.pox): Likewise.
2588 (po/gcc.pot): Likewise.
2590 2009-01-04 David S. Miller <davem@davemloft.net>
2592 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2593 (STARTING_FRAME_OFFSET): Always set to zero.
2595 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2597 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2598 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2599 fixed-point types, and vectors of the same.
2601 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2603 * config/mips/sync.md (*mb_barrier): Rename to...
2604 (*memory_barrier): ...this.
2606 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2608 * doc/extend.texi (Function Attributes): Move @cindex after @item
2609 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2610 and put in alphabetical order. Fix 'target' name and put in order.
2611 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2614 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2616 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2617 (memory_barrier): Expand as unspec instead of unspec_volatile.
2618 Remove mem:BLK from insn operands. Use Pmode scratch register.
2619 (*memory_barrier): Define as unspec instead of unspec_volatile.
2620 Use (match_dup 0) as input operand.
2622 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2623 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2624 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2625 scratch register. Remove operand 1.
2626 (*stbar): Define as unspec instead of unspec_volatile.
2627 Use (match_dup 0) as input operand, remove (const_int 8).
2628 (*membar): Define as unspec instead of unspec_volatile.
2629 Use (match_dup 0) as input operand, remove input operand 2.
2631 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2632 (memory_barrier): Expand as unspec instead of unspec_volatile.
2633 Remove mem:BLK from insn operands. Use Pmode scratch register.
2634 (*memory_barrier): Define as unspec instead of unspec_volatile.
2635 Use (match_dup 0) as input operand.
2637 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2638 Remove mem:BLK from insn operands. Use Pmode scratch register.
2639 Set volatile flag on operand 0.
2640 (*memory_barrier): New insn pattern.
2642 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2644 (*memory_barrier): Use (match_dup 0) as input operand.
2646 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2647 Remove mem:BLK from insn operands. Use Pmode scratch register.
2648 Set volatile flag on operand 0.
2649 (*mb_internal): New insn pattern.
2651 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2653 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2656 * function.c (struct temp_slot): Move to the section of the file
2657 that deals with temp slots. Remove field 'address'.
2658 (temp_slot_address_table): New hash table of address -> temp slot.
2659 (struct temp_slot_address_entry): New struct, items for the table.
2660 (temp_slot_address_compute_hash, temp_slot_address_hash,
2661 temp_slot_address_eq, insert_temp_slot_address): Support functions
2663 (find_temp_slot_from_address): Rewrite to use the new hash table.
2664 (remove_unused_temp_slot_addresses): Remove addresses of temp
2665 slots that have been made available.
2666 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2667 worker function for remove_unused_temp_slot_addresses.
2668 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2669 Add the temp slot address to the address -> temp slot map.
2670 (update_temp_slot_address): Update via insert_temp_slot_address.
2671 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2672 (pop_temp_slots): Likewise.
2673 (init_temp_slots): Allocate the address -> temp slot map, or empty
2674 the map if it is already allocated.
2675 (prepare_function_start): Initialize temp slot processing.
2677 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2680 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2681 Calculate the size of all stack vars assuming no packing of stack
2682 vars will happen, replacing a quadratic algorithm with a linear one.
2684 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2687 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2690 2009-01-03 Diego Novillo <dnovillo@google.com>
2692 * doc/contrib.texi: Update contributions.
2694 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2697 * builtins.c (fold_builtin_memory_op): Give up if either operand
2698 is volatile. Set srctype or desttype to non-qualified version
2702 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2705 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2707 PR rtl-optimization/35805
2708 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2709 problem if fast dce is able to remove any instructions.
2710 * dce.c (dce_process_block): Fix dump message.
2712 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2715 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2717 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2720 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2721 * tree-pretty-print.c (op_code_prio): New function.
2722 (op_prio): No longer static. Use op_code_prio.
2723 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2724 Use op_prio and op_code_prio to determine if () should be
2725 printed around operand(s) or not.
2727 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2728 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2729 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2730 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2731 pp_character instead of pp_string for single letter printing.
2733 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2735 * doc/extend.texi: Fix '#pragma GCC option' typo.
2737 2009-01-02 Richard Guenther <rguenther@suse.de>
2739 * doc/install.texi (--enable-checking): Mention different
2741 (--enable-stage1-checking): Document.
2743 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2746 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2747 case to be an error.
2749 2009-01-02 Ben Elliston <bje@au.ibm.com>
2751 * config/fp-bit.h (pack_d): Constify argument.
2752 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2753 (isnan): Constify argument.
2757 (_fpadd_parts): Constify return type.
2758 (_fpmul_parts): Likewise.
2759 (_fpdiv_parts): Likewise.
2761 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2764 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2765 warn about overwriting initializer with side-effects or
2766 -Woverride-init if !IMPLICIT.
2767 (output_init_element): Likewise. Pass IMPLICIT down to
2769 (process_init_element): Add IMPLICIT argument. Pass it down
2770 to output_init_element.
2771 (push_init_element, pop_init_level, set_designator): Adjust
2772 process_init_element callers.
2773 (set_nonincremental_init, set_nonincremental_init_from_string):
2774 Adjust add_pending_init callers.
2775 (output_pending_init_elements): Adjust output_init_element callers.
2776 * c-tree.h (process_init_element): Adjust prototype.
2777 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2778 process_init_element callers.