1 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4 * dwarf2out.c (add_abstract_origin_attribute): Return
6 (gen_variable_die): Emit DW_AT_location on abstract static variable's
7 DIE, don't emit it if abstract origin already has it.
8 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
11 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13 * genpreds.c: (needs_variable): Fix parentheses at variable name
15 (write_tm_constrs_h): Indent generated code.
17 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
19 * doc/extend.texi (Function Attributes): Add documentation
22 2009-03-06 Jakub Jelinek <jakub@redhat.com>
25 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
26 take locus from its DECL_SOURCE_LOCATION instead of input_location.
28 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
30 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
33 2009-03-05 Jakub Jelinek <jakub@redhat.com>
36 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
37 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
39 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
41 * config/i386/i386.md (R8_REG, R9_REG): New constants.
42 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
43 constants instead of magic numbers.
44 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
46 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
47 (x86_64_ms_abi_int_parameter_registers): Ditto.
48 (x86_64_int_return_registers): Ditto.
49 (ix86_expand_call): Ditto for clobbered_registers array.
50 (ix86_hard_regno_mode_ok): Ditto.
51 (x86_extended_QIreg_mentioned_p): Ditto.
53 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
55 PR tree-optimization/39349
56 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
58 * combine.c (gen_lowpart_for_combine): Use omode when generating
61 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
63 PR rtl-optimization/39235
64 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
66 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
68 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
70 2009-03-04 Richard Guenther <rguenther@suse.de>
72 PR tree-optimization/39362
73 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
74 that occur in abnormal PHIs should be varying.
76 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
78 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
80 (simple_iv): Take loop as an argument instead of statement.
81 * tree-scalar-evolution.h (simple_iv): Declaration changed.
82 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
84 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
86 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
87 * matrix-reorg.c (analyze_transpose): Ditto.
88 * tree-data-ref.c (dr_analyze_innermost): Ditto.
89 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
90 * tree-predcom.c (ref_at_iteration): Ditto.
91 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
93 2009-03-04 Richard Guenther <rguenther@suse.de>
95 PR tree-optimization/39358
96 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
97 escaped_id and callused_id.
98 (solve_graph): Likewise.
100 2009-03-04 Richard Guenther <rguenther@suse.de>
102 PR tree-optimization/39339
103 * tree-sra.c (try_instantiate_multiple_fields): Make it
104 no longer ICE on the above.
106 2009-03-03 Joseph Myers <joseph@codesourcery.com>
108 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
109 that fits within Pmode.
111 2009-03-03 Steve Ellcey <sje@cup.hp.com>
114 * tm.texi (LIBCALL_VALUE): Update description.
116 2009-03-03 Steve Ellcey <sje@cup.hp.com>
119 * doc/extend.texi (section): Update description.
121 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
124 * tree-inline.c (remapped_type): New.
125 (can_be_nonlocal): Call remapped_type instead of remap_type.
127 2009-03-03 Jakub Jelinek <jakub@redhat.com>
130 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
131 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
133 2009-03-03 Richard Guenther <rguenther@suse.de>
136 * tree.c (tree_nonartificial_location): New function.
137 * tree.h (tree_nonartificial_location): Declare.
138 * builtins.c (expand_builtin_memory_chk): Provide location
139 of the call location for artificial function pieces.
140 (maybe_emit_chk_warning): Likewise.
141 (maybe_emit_sprintf_chk_warning): Likewise.
142 (maybe_emit_free_warning): Likewise.
143 * expr.c (expand_expr_real_1): Likewise.
145 2009-03-03 Jakub Jelinek <jakub@redhat.com>
147 PR tree-optimization/39343
148 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
149 COMPONENT_REF t has ARRAY_TYPE.
151 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
154 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
155 when the type precision of the induction variable should be
156 larger than the type precision of nit.
157 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
158 * graphite.c (graphite_loop_normal_form): Same.
159 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
161 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
163 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
164 (*call_1_rex64_ms_sysv): Use named constants instead of magic
165 numbers to describe clobbered registers.
166 (*call_value_0_rex64_ms_sysv): Ditto.
167 * config/i386/mmx.md (mmx_emms): Ditto.
170 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
172 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
175 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
177 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
178 (spu_section_type_flags): New function.
180 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
182 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
183 reg_class_contents of FLOAT_REGS into a temporary.
185 2009-03-02 Richard Guenther <rguenther@suse.de>
186 Ira Rosen <irar@il.ibm.com>
188 PR tree-optimization/39318
189 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
190 information to the vectorized statement.
192 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
194 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
195 variable. Use defined names instead of magic constants for REX SSE
198 2009-03-01 Richard Guenther <rguenther@suse.de>
200 PR tree-optimization/39331
201 * omp-low.c (lower_send_shared_vars): Do not receive new
202 values for the reference of DECL_BY_REFERENCE parms or results.
204 2009-03-01 Jan Hubicka <jh@suse.cz>
207 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
208 BLOCK_NONLOCALIZED_VAR): New macros.
209 (tree_block): Add nonlocalized_vars.
210 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
211 gen_decl_die): Add origin argument. Allow generation of die with
213 (gen_member_die, gen_type_die_with_usage, force_decl_die,
214 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
216 (gen_block_die): Fix checking for unused blocks.
217 (process_scope_var): Break out from .... ; work with origins only.
218 (decls_for_scope) ... here; process nonlocalized list.
219 (dwarf2out_ignore_block): Look for nonlocalized vars.
220 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
222 (dump_scope_block): Dump them.
223 * tree-inline.c (remap_decls): Handle nonlocalized vars.
224 (remap_block): Likewise.
225 (can_be_nonlocal): New predicate.
226 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
228 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
230 * configure: Regenerate.
232 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
234 * optc-gen.awk: No need to duplicate option flags twice.
235 Reuse help texts for duplicate options which do not have
238 * gcc.c (display_help): Document --version.
240 * gcc.c (main): If print_help_list and verbose_flag, ensure
241 driver output comes before subprocess output.
243 * optc-gen.awk: Assign all remaining fields to help string,
244 space-separated, for multi-line help in *.opt.
246 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
247 -Wno-pedantic-ms-format is for MinGW targets only.
249 * doc/options.texi (Option file format): Fix bad indentation,
250 restoring dropped sentence.
252 2009-02-28 Jan Hubicka <jh@suse.cz>
254 * tree-inline.c (tree_function_versioning): Output debug info.
256 2009-02-28 Jan Hubicka <jh@suse.cz>
259 * tree-inline.c (setup_one_parameter): Do not copy propagate
260 arguments when not optimizing.
262 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
265 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
266 (avx_addsubv4df3): Likewise.
267 (*avx_addsubv4sf3): Likewise.
268 (sse3_addsubv4sf3): Likewise.
269 (*avx_addsubv2df3): Likewise.
270 (sse3_addsubv2df3): Likewise.
271 (avx_unpckhps256): Correct item selectors.
272 (avx_unpcklps256): Likewise.
273 (avx_unpckhpd256): Likewise.
274 (avx_unpcklpd256): Likewise.
276 2009-02-28 Jan Hubicka <jh@suse.cz>
278 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
280 (copy_arguments_for_versioning): If var is declared don't declare it.
281 (tree_function_versioning): First setup substitutions and then copy
284 2009-02-27 Jan Hubicka <jh@suse.cz>
287 * cgraph.h (varpool_output_debug_info): Remove.
288 * cgraphunit.c (varpool_output_debug_info): Remove.
289 * dwarf2out.c (deferred_locations_struct): New struct
290 (deferred_locations): New type.
291 (deferred_locations_list): New static var.
292 (deffer_location): New function.
293 (gen_variable_die): Use it.
294 (decls_for_scope): Output info on local static vars.
295 (dwarf2out_finish): Process deferred locations.
296 * varpool.c (varpool_output_debug_info): Remove.
298 2009-02-27 Jan Hubicka <jh@suse.cz>
301 * tree.h (TREE_PROTECTED): Fix comment.
302 (BLOCK_HANDLER_BLOCK): Remove.
303 (struct tree_block): Remove handler_block add body_block.
304 (inlined_function_outer_scope_p): New.
305 (is_body_block): Remove.
306 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
307 * dwarf2out.c (is_inlined_entry_point): Remove.
308 (add_high_low_attributes): Use inlined_function_outer_scope_p.
309 (gen_block_die): Use is_inlined_entry_point check. Remove body block
311 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
312 * gimplify.c (gimplify_expr): Gimplify body blocks.
313 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
314 block with multiple subblocks.
315 (dump_scope_block): Prettier output; dump more flags and info.
316 (dump_scope_blocks): New.
317 (remove_unused_locals): Use dump_scope_blocks.
318 * tree-flow.h (dump_scope_blocks): Declare.
319 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
320 * stmt.c (is_body_block): Remove.
321 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
322 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
324 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
327 * graphite.c (graphite_loop_normal_form): Do not call
328 number_of_iterations_exit from a gcc_assert.
330 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
332 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
333 jumps if COND is NULL.
334 (find_cond_jump): New function.
335 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
336 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
338 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
340 * config/alpha/alpha.h (alpha_expand_mov): Return false if
341 force_const_mem returns NULL_RTX.
343 2009-02-26 Jan Hubicka <jh@suse.cz>
346 * cgraph.h (varpool_output_debug_info): Remove.
347 * cgraphunit.c (varpool_output_debug_info): Remove.
348 * dwarf2out.c (deferred_locations_struct): New struct
349 (deferred_locations): New type.
350 (deferred_locations_list): New static var.
351 (deffer_location): New function.
352 (gen_variable_die): Use it.
353 (decls_for_scope): Output info on local static vars.
354 (dwarf2out_finish): Process deferred locations.
355 * varpool.c (varpool_output_debug_info): Remove.
357 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
359 PR rtl-optimization/39241
360 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
361 to subreg_offset_representable_p.
363 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
365 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
366 execute function prototype. Get f and nregs from max_reg_num
367 and get_insns. Remove the first backward pass as it's dead,
368 guard the forward pass by flag_expensive_optimizations.
369 (rest_of_handle_regmove): Delete.
370 (pass_regmove): Replace it with regmove_optimize.
372 2009-02-25 Martin Jambor <mjambor@suse.cz>
374 PR tree-optimization/39259
375 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
376 calls_alloca function flags.
377 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
380 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
382 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
383 flags_set_1_rtx, flags_set_1_set): Delete.
384 (regmove_optimize): Do not call mark_flags_life_zones.
386 2009-02-24 Julian Brown <julian@codesourcery.com>
389 * config/arm/arm.c (require_pic_register): Only set
390 cfun->machine->pic_reg once per function.
392 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
394 * doc/invoke.texi (Link Options): Document an easier way to pass
395 options that take arguments to the GNU linker using -Xlinker and -Wl.
397 2009-02-24 Steve Ellcey <sje@cup.hp.com>
400 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
402 2009-02-24 Richard Guenther <rguenther@suse.de>
405 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
407 2009-02-24 Richard Guenther <rguenther@suse.de>
408 Zdenek Dvorak <ook@ucw.cz>
410 PR tree-optimization/39233
411 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
412 from converting them to a generic type.
414 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
416 PR tree-optimization/39260
417 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
418 contains a condition with a real type.
419 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
421 2009-02-23 Jason Merrill <jason@redhat.com>
424 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
425 narrowing_initializer_constant_valid_p.
426 (narrowing_initializer_constant_valid_p): Don't return
427 null_pointer_node for adding a pointer to itself.
429 2009-02-23 Jan Hubicka <jh@suse.cz>
432 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
435 2009-02-23 Jan Hubicka <jh@suse.cz>
437 PR tree-optimization/37709
438 * tree.c (block_ultimate_origin): Move here from dwarf2out.
439 * tree.h (block_ultimate_origin): Declare.
440 * dwarf2out.c (block_ultimate_origin): Move to tree.c
441 * tree-ssa-live.c (remove_unused_scope_block_p):
442 Eliminate blocks containig no instructions nor live variables nor
444 (dump_scope_block): New function.
445 (remove_unused_locals): Enable removal of dead blocks by default;
446 enable dumping at TDF_DETAILS.
448 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
450 * config/i386/i386.c (classify_argument): Don't allow COImode
452 (function_arg_advance_32): Don't allow OImode.
453 (function_arg_32): Likewise.
454 (function_value_32): Likewise.
455 (return_in_memory_32): Likewise.
456 (function_arg_64): Remove OImode comment.
458 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
461 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
462 ix86_expand_vector_set for V4DImode in 64bit mode only.
463 (ix86_expand_vector_init_one_var): Likewise.
465 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
467 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
469 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
472 * loop-iv.c: Revert last change.
473 * emit-rtl.c: Likewise.
475 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
478 * config/i386/i386.c (type_natural_mode): Remove an extra
479 space in the warning message.
480 (function_value_32): Handle 32-byte vector modes.
481 (return_in_memory_32): Likewise.
483 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
485 * loop-iv.c (truncate_value): New function.
486 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
488 (lowpart_subreg): Move to...
489 * emit-rtl.c: ...here.
491 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
493 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
494 accidental and undocumented change at revision 140860.
496 2009-02-21 Joseph Myers <joseph@codesourcery.com>
498 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
499 take gimple_seq * arguments.
500 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
501 types_compatible_p langhook.
503 2009-02-20 Mark Mitchell <mark@codesourcery.com>
504 Joseph Myers <joseph@codesourcery.com>
506 * config/arm/arm.c (arm_builtin_va_list): New function.
507 (arm_expand_builtin_va_start): Likewise.
508 (arm_gimplify_va_arg_expr): Likewise.
509 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
510 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
511 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
512 (va_list_type): New variable.
513 (arm_mangle_type): Mangle va_list_type appropriately.
515 2009-02-20 Jakub Jelinek <jakub@redhat.com>
518 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
519 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
520 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
521 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
522 parameter to 1000 for -O1 by default.
523 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
525 * loop-invariant.c: Include params.h.
526 (move_loop_invariants): Don't call move_single_loop_invariants on
529 2009-02-20 Jaka Mocnik <jaka@xlab.si>
531 * calls.c (emit_library_call_value_1): Use slot_offset instead of
532 offset when calculating bounds for indexing stack_usage_map. Fixes
533 a buffer overflow with certain target setups.
535 2009-02-20 Jakub Jelinek <jakub@redhat.com>
538 * calls.c (expand_call): Clear try_tail_call if caller and callee
539 disagree in promotion of function return value.
541 2009-02-19 Jakub Jelinek <jakub@redhat.com>
544 * c-common.c (c_determine_visibility): If visibility changed and
545 DECL_RTL has been already set, call make_decl_rtl to update symbol
548 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
551 * varasm.c (assemble_variable): Don't check DECL_NAME when
552 globalizing a variable.
554 2009-02-19 Joseph Myers <joseph@codesourcery.com>
557 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
558 expression before any __builtin_trap call.
559 * c-typeck.c (build_function_call): Convert and check function
560 arguments before generating a call to a trap. Evaluate the
561 function arguments before the trap.
563 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
566 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
567 (UNSPEC_FXAM_MEM): New unspec.
568 (fxam<mode>2_i387_with_temp): New insn and split pattern.
569 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
570 memory using fxam<mode>2_i387_with_temp to remove excess precision.
572 2009-02-19 Richard Guenther <rguenther@suse.de>
574 PR tree-optimization/39207
575 PR tree-optimization/39074
576 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
577 storedanything_tree): New.
578 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
579 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
580 (build_succ_graph): Add edges from STOREDANYTHING to all
582 (init_base_vars): Initialize STOREDANYTHING.
583 (compute_points_to_sets): Free substitution info after
584 building the succ graph.
585 (ipa_pta_execute): Likewise.
587 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
589 (do_ds_constraint): Do not add to special var or non-pointer
591 (type_could_have_pointers): Split out from ...
592 (could_have_pointers): ... here. For arrays use the element type.
593 (create_variable_info_for): Initialize may_have_pointers.
594 (new_var_info): Likewise.
595 (handle_lhs_call): Make the HEAP variable unknown-sized.
596 (intra_create_variable_infos): Use a type with pointers for
597 PARM_NOALIAS, make it unknown-sized.
599 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
602 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
604 2009-02-18 Jason Merrill <jason@redhat.com>
607 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
608 value if DECL_EXTERNAL.
609 * tree-sra.c (sra_walk_gimple_assign): Likewise.
610 * target.h (gcc_target::binds_local_p): Clarify "module".
611 * tree.h (TREE_PUBLIC): Clarify "module".
613 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
616 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
617 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
619 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
622 * c.opt (Wabi): Support C and ObjC.
625 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
627 * config/i386/i386.c (classify_argument): Warn once about the ABI
628 change when passing union with long double.
630 * doc/invoke.texi: Update -Wabi for warning psABI changes.
632 2009-02-18 Joseph Myers <joseph@codesourcery.com>
635 * c-parser.c (c_parser_compound_statement): Always enter and leave
638 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
641 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
643 2009-02-18 Jakub Jelinek <jakub@redhat.com>
645 PR tree-optimization/36922
646 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
647 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
650 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
652 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
655 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
657 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
659 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
661 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
664 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
665 Richard Sandiford <rdsandiford@googlemail.com>
667 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
668 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
669 (loongson_biadd): ...this.
671 2009-02-17 Richard Guenther <rguenther@suse.de>
673 PR tree-optimization/39202
674 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
675 a var make sure to follow existing collapses.
677 2009-02-17 Richard Guenther <rguenther@suse.de>
680 * langhooks.c (lhd_print_error_function): Check for NULL block.
682 2009-02-17 Richard Guenther <rguenther@suse.de>
684 PR tree-optimization/39204
685 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
688 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
690 * config/soft-fp/double.h: Update from glibc CVS.
692 2009-02-17 Richard Guenther <rguenther@suse.de>
694 PR tree-optimization/39207
695 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
696 strict-aliasing warnings for pointers pointing to NULL.
698 2009-02-16 Joseph Myers <joseph@codesourcery.com>
701 * c-parser.c (c_parser_braced_init): Call pop_init_level when
702 skipping until next close brace.
704 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
707 * config/i386/i386.c (ix86_expand_push): Set memory alignment
708 to function argument boundary.
710 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
712 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
713 in the lea_add. Reload eventually constraints it properly.
714 * config/picochip/constraints.md : Remove the target constraint
715 "b", since it is not needed anymore.
717 2009-02-16 Jakub Jelinek <jakub@redhat.com>
719 * gthr-dce.h: Uglify function parameter and local variable names.
720 * gthr-gnat.h: Likewise.
721 * gthr-mipssde.h: Likewise.
722 * gthr-nks.h: Likewise.
723 * gthr-posix95.h: Likewise.
724 * gthr-posix.h: Likewise.
725 * gthr-rtems.h: Likewise.
726 * gthr-single.h: Likewise.
727 * gthr-solaris.h: Likewise.
728 * gthr-tpf.h: Likewise.
729 * gthr-vxworks.h: Likewise.
730 * gthr-win32.h: Likewise.
732 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
735 * config/i386/i386.md: Restrict the new peephole2 to move
736 between MMX/SSE registers.
738 2009-02-15 Richard Guenther <rguenther@suse.de>
741 2009-02-13 Richard Guenther <rguenther@suse.de>
743 * configure.ac: Enable LFS.
744 * configure: Re-generate.
745 * config.in: Likewise.
747 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
749 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
750 spu_srqwbyte, spu_srqwbytebc): Define.
751 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
752 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
753 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
754 "shrqby_<mode>"): New insn-and-split patterns.
755 * config/spu/spu.c (expand_builtin_args): Determine and return
756 number of operands using spu_builtin_description data.
757 (spu_expand_builtin_1): Use it.
759 2009-02-13 Steve Ellcey <sje@cup.hp.com>
762 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
765 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
768 * config/i386/i386.c (override_options): Correct warning
769 messages for -malign-loops, -malign-jumps and -malign-functions.
771 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
774 * config/i386/i386.md: Restrict the new peephole2 to move
775 between the general purpose registers.
777 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
780 * config/i386/i386.c (type_natural_mode): Add a new argument.
781 Return the original mode and warn ABI change if vector size is 32byte.
782 (function_arg_advance): Updated.
783 (function_arg): Likewise.
784 (ix86_function_value): Likewise.
785 (ix86_return_in_memory): Likewise.
786 (ix86_sol10_return_in_memory): Likewise.
787 (ix86_gimplify_va_arg): Likewise.
788 (function_arg_32): Don't warn ABX ABI change here.
789 (function_arg_64): Likewise.
791 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
793 * loop-iv.c (implies_p): In the final case, test that operands 0
794 of the two comparisons match.
796 * config/bfin/bfin.c (find_prev_insn_start): New function.
797 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
798 (find_next_insn_start): Move.
800 2009-02-13 Richard Guenther <rguenther@suse.de>
802 * configure.ac: Enable LFS.
803 * configure: Re-generate.
804 * config.in: Likewise.
806 2009-02-13 Joseph Myers <joseph@codesourcery.com>
809 * c-parser.c (c_parser_parms_list_declarator): Discard pending
810 sizes on syntax error after some arguments have been parsed.
812 2009-02-12 Jakub Jelinek <jakub@redhat.com>
814 * doc/invoke.texi (-fira): Remove.
816 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
818 * caller-save.c: Replace regclass.c with reginfo.c in comments.
822 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
824 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
825 (umul_ppmm): Likewise.
826 (count_leading_zeros): Likewise.
827 (count_trailing_zeros): Likewise.
828 (UMUL_TIME): Likewise.
830 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
832 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
833 soft-fp/t-softfp to tmake_file.
835 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
836 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
837 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
838 IA64_BUILTIN_INFQ]: New.
839 (ia64_init_builtins): Initialize __builtin_infq,
840 __builtin_fabsq and __builtin_copysignq if not HPUX.
841 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
842 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
844 * config/ia64/lib1funcs.asm (__divtf3): Define only if
846 (__fixtfti): Likewise.
847 (__fixunstfti): Likewise.
848 (__floattitf): Likewise.
850 * config/ia64/libgcc-glibc.ver: New.
851 * config/ia64/t-fprules-softfp: Likewise.
852 * config/ia64/sfp-machine.h: Likewise.
854 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
855 (LIBGCC2_TF_CEXT): Likewise.
857 (TARGET_INIT_LIBFUNCS): Likewise.
859 * config/ia64/t-glibc (SHLINB_MAPFILES):
860 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
862 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
864 * config/i386/i386.c (construct_container): Rewrite processing
865 BLKmode with X86_64_SSE_CLASS.
867 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
870 * config/i386/i386.md: Replace simplify_replace_rtx with
871 replace_rtx in the new peephole2.
873 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
875 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
876 loop unrolling do not happen at -O2.
878 2009-02-12 Michael Matz <matz@suse.de>
880 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
882 2009-02-12 Jakub Jelinek <jakub@redhat.com>
884 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
887 2009-02-12 Ben Elliston <bje@au.ibm.com>
889 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
890 patterns when updating the back chain. Missed in the 2009-02-10
893 2009-02-11 Janis Johnson <janis187@us.ibm.com>
895 * doc/extend.texi (Decimal Floating Types): Update identifier of
896 draft TR and list of missing support.
898 2009-02-11 Jakub Jelinek <jakub@redhat.com>
901 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
902 bit to variable length decl's flags, add it also to its
903 pointer replacement variable.
905 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
906 Jakub Jelinek <jakub@redhat.com>
909 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
910 (memory_blockage): New expander.
911 (*memory_blockage): New insn pattern.
912 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
913 instead of general blockage at the end of function prologue when
914 frame pointer is used to access red zone area. Do not emit blockage
915 when profiling, it is emitted in generic code.
916 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
917 function epilogue when frame pointer is used to access red zone area.
919 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
922 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
923 by arithmetic with memory operands.
924 * config/i386/predicates.md (commutative_operator): New.
926 2009-02-10 Janis Johnson <janis187@us.ibm.com>
928 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
931 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
933 * alias.h (record_alias_subset): Declare.
934 * alias.c (record_alias_subset): Make global.
936 2009-02-10 Nick Clifton <nickc@redhat.com>
938 * tree-parloops.c: Change license to GPLv3.
939 * ipa-struct-reorg.c: Change license to GPLv3.
940 * ipa-struct-reorg.h: Change license to GPLv3.
942 2009-02-10 Steve Ellcey <sje@cup.hp.com>
945 * c-decl.c (start_struct): Return NULL on error.
947 2009-02-10 Jakub Jelinek <jakub@redhat.com>
950 * cfgloopmanip.c (remove_path): Call remove_bbs after
951 cancel_loop_tree, not before it.
954 * function.h (struct function): Add has_local_explicit_reg_vars bit.
955 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
957 * tree-ssa-live.c (remove_unused_locals): Recompute
958 cfun->has_local_explicit_reg_vars.
959 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
960 copies or clearings if cfun->has_local_explicit_reg_vars.
962 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
965 * config/i386/i386.c (expand_prologue): Emit blockage at the end
966 of function prologue when frame pointer is used to access
969 2009-02-10 Richard Guenther <rguenther@suse.de>
972 * gimplify.c (gimple_regimplify_operands): Always look if
973 we need to create a temporary.
975 2009-02-10 Richard Guenther <rguenther@suse.de>
977 PR tree-optimization/39132
978 * tree-loop-distribution.c (todo): New global var.
979 (generate_memset_zero): Trigger TODO_rebuild_alias.
980 (tree_loop_distribution): Return todo.
982 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
985 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
986 (x86_64_reg_class_name): Removed.
987 (classify_argument): Return 0 if bytes > 32. Return 0 if the
988 first one isn't X86_64_SSE_CLASS or any other ones aren't
989 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
990 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
991 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
992 and 3 X86_64_SSEUP_CLASS.
993 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
994 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
996 2009-02-10 Ben Elliston <bje@au.ibm.com>
998 * config/rs6000/rs6000.md (allocate_stack): Always use an update
999 form instruction to update the stack back chain word, even if the
1000 user has disabled the generation of update instructions.
1001 (movdi_<mode>_update_stack): New.
1002 (movsi_update_stack): Likewise.
1003 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1004 always use an update form instruction to update the stack back
1007 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1010 * graphite.c (if_region_set_false_region): After moving a region in
1011 the false branch of a condition, remove the empty dummy basic block.
1012 (gloog): Remove wrong fix for PR38953.
1014 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1016 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1017 generation due to implicit sign extension.
1019 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1022 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1023 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1025 2009-02-09 Richard Guenther <rguenther@suse.de>
1028 * convert.c (convert_to_real): Disable (float)fn((double)x)
1029 to fnf(x) conversion if errno differences may occur and
1030 -fmath-errno is set.
1032 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1034 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1035 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1036 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1038 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1041 * c-common.c (handle_alias_attribute): Disallow attribute for
1042 anything not a FUNCTION_DECL or VAR_DECL.
1044 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1047 * real.c (do_compare): Special-case compare of zero against
1048 decimal float value.
1050 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1053 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1054 as indicating flexible array members unless the field itself is
1055 being declarared as the incomplete array.
1057 2009-02-06 Jan Hubicka <jh@suse.cz>
1059 PR tree-optimization/38844
1060 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1063 2009-02-06 Richard Guenther <rguenther@suse.de>
1066 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1067 fork because we may expand it as __gcov_fork.
1069 2009-02-06 Nick Clifton <nickc@redhat.com>
1071 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1073 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1075 PR tree-optimization/35659
1076 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1077 vn_phi_eq): Shortcut if hashcode does not match.
1078 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1080 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1081 and avoid iterative_hash_expr.
1082 (FOR_EACH_VALUE_ID_IN_SET): New.
1083 (value_id_compare): Remove.
1084 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1085 sort expressions by value id.
1087 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1090 * config/sh/predicates.md (general_movsrc_operand): Don't check
1091 the subreg of system registers here.
1093 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1096 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1099 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1101 PR rtl-optimization/39110
1102 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1103 addresses, not aligned ones.
1105 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1106 Richard Guenther <rguenther@suse.de>
1108 PR tree-optimization/39100
1109 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1110 comment says and add edges.
1112 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1115 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1116 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1118 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1120 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1121 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1122 register_bb_in_sese, new_sese, free_sese): Moved.
1123 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1124 outermost_loop_in_scop, build_scop_iteration_domain,
1125 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1126 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1127 Use loop_in_sese_p instead of loop_in_scop_p.
1128 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1129 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1130 (scopdet_basic_block_info): Fix bug in scop detection.
1131 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1132 eq_loop_to_cloog_loop): Remove.
1133 (nb_loops_around_loop_in_scop, nb_loop
1134 ref_nb_loops): Moved here...
1135 * graphite.h (ref_nb_loops): ... from here.
1136 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1137 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1138 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1139 * testsuite/gcc.dg/graphite/scop-19.c: New
1141 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1142 Hans-Peter Nilsson <hp@axis.com>
1144 PR rtl-optimization/37889
1145 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1146 Move offset handling from PLUS to before the switch. Use new
1147 arguments when considering SYMBOL_REFs too.
1148 (rtx_addr_can_trap_p): Pass dummy offset and size.
1149 (enum may_trap_p_flags): Remove.
1150 (may_trap_p_1): Pass size from MEM_SIZE.
1152 PR rtl-optimization/38921
1153 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1154 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1155 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1156 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1158 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1160 AVX Programming Reference (January, 2009)
1161 * config/i386/sse.md (*vpclmulqdq): New.
1163 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1165 PR tree-optimization/38977
1166 PR gcov-profile/38292
1167 * calls.c (special_function_p): Disregard __builtin_ prefix.
1169 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1171 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1172 non-indexable addresses even before reload.
1174 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1177 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1178 as having variable size. Do not give an error for unnamed
1179 parameters with [*] declarators. Give a warning for type names
1180 with [*] declarators and mark them as variable size.
1181 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1182 for sizeof applied to [*] type names.
1184 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1187 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1189 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1191 * gcc.c (process_command): Update copyright notice dates.
1192 * gcov.c (print_version): Likewise.
1193 * gcov-dump.c (print_version): Likewise.
1194 * mips-tfile.c (main): Likewise.
1195 * mips-tdump.c (main): Likewise.
1197 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1200 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1201 for composite type involving a zero-length array type.
1203 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1206 * function.c (match_asm_constraints_1): Skip over
1207 initial optional % in the constraint.
1210 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1211 supported, don't accept FIXED_CSTs.
1212 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1213 and _Sat is used without _Fract/_Accum. Set specs->type to
1214 integer_type_node for cts_fract/cts_accum if fixed point is not
1217 2009-02-02 Catherine Moore <clm@codesourcery.com>
1219 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1221 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1223 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1224 (ABI_HAS_64BIT_SYMBOLS): Use it.
1225 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1227 2009-02-02 Paul Brook <paul@codesourcery.com>
1229 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1231 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1234 * recog.h (asm_operand_ok): Add constraints argument.
1235 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1236 recurse on matching constraint.
1237 (check_asm_operands): Pass constraints as 3rd argument to
1238 asm_operand_ok. Don't look up matching constraint here.
1239 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1242 2009-02-02 Ben Elliston <bje@au.ibm.com>
1244 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1245 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1247 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1249 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1250 information. Remove some obsolete information. Reorganize.
1252 * config/pa/fptr.c: Revert license to GPL 2.
1253 * config/pa/milli64.S: Likewise.
1255 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1258 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1259 LIBRARY name in, instead of hard-coding it.
1260 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1261 extra target make frag to tmake_files according to EH model.
1262 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1263 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1264 frags that define makefile variable EH_MODEL appropriately.
1265 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1266 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1267 to "-sjlj" according to type of EH configured.
1268 (LIBGCC_SONAME): Concatenate it to shared library base name.
1269 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1270 to "_sjlj" according to type of EH configured.
1271 (LIBGCC_SONAME): Concatenate it to shared library base name.
1272 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1273 (SHLIB_LINK): Add missing semicolon to if-else construct.
1274 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1275 string value of "pe_dll" command-line option.
1276 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1277 (SHLIB_SONAME): Use it when overriding t-cygming default.
1278 (SHLIB_IMPLIB): Override t-cygming default.
1279 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1280 string value of "pe_dll" command-line option.
1282 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1285 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1286 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1288 2009-01-31 Richard Guenther <rguenther@suse.de>
1290 PR tree-optimization/38937
1291 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1292 computing the transitive closure.
1294 2009-01-30 Richard Guenther <rguenther@suse.de>
1296 PR tree-optimization/39041
1297 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1298 Propagate variable indices only if the types match for this stmt.
1300 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1303 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1304 inline but never defined.
1306 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1308 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1309 (*insv_h_di_reg_extimm): New insn.
1310 (*insv_l<mode>_reg_extimm): New insn.
1312 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1314 * config/picochip/picochip.c (flag_conserve_stack): set
1315 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1316 fconserve-stack. Reduce call-overhead used by inliner.
1318 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1321 * common.opt (flag_conserve_stack): Initialised to zero.
1323 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1326 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1327 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1330 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1332 * ira-color.c (allocno_reload_assign): Update comments.
1333 * regmove.c (regmove_optimize): Likewise.
1337 2009-01-29 Robert Millan <rmh@aybabtu.com>
1339 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1340 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1341 `MD_UNWIND_SUPPORT'.
1342 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1344 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1346 PR tree-optimization/39007
1347 * tree-loop-distribution.c (generate_builtin): Use
1348 recompute_dominator to compute the immediate dominator of the
1349 basic block just after the loop.
1351 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1353 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1354 (ASM_OUTPUT_DWARF_PCREL): Define.
1356 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1358 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1359 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1360 global. Modify entries about regmove and IRA.
1362 * ra-conflict.c: Remove the file.
1364 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1366 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1367 (pass_regclass_init): Rename to pass_reginfo_init.
1369 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1371 * toplev.h (flag_ira): Remove.
1373 * caller-save.c (setup_save_areas): Remove flag_ira.
1375 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1377 * global.c: Remove the file.
1379 * opts.c: (decode_options): Remove flag_ira.
1381 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1383 * regmove.c: Modify file description.
1384 (find_use_as_address, try_auto_increment): Define them only if
1385 AUTO_INC_DEC is defined.
1386 (replacement_quality, replace_in_call_usage, fixup_match_1,
1387 stable_and_no_regs_but_for_p): Remove.
1388 (reg_set_in_bb): Make it static.
1389 (regmove_optimize): Remove flag_ira and code which worked for
1392 * local-alloc.c: Remove the file.
1394 * common.opt (fira): Remove.
1396 * ira.c: Include except.h.
1397 (eliminable_regset): Move from global.c.
1398 (mark_elimination): Ditto. Remove flag_ira.
1399 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1400 equiv_mem_modified, validate_equiv_mem_from_store,
1401 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1402 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1403 no_equiv, recorded_label_ref): Move from local-alloc.c.
1404 (update_equiv_regs): Ditto. Make it static.
1405 (print_insn_chain, print_insn_chains): Move it from global.c.
1406 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1407 (build_insn_chain): Ditto. Make it static.
1408 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1409 Rename to init_live_subregs.
1410 (gate_ira): Remove flag_ira.
1412 * regclass.c: Rename reginfo.c. Change file description.
1413 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1414 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1415 (init_reg_sets_1): Remove code for evaluation of
1416 reg_class_superclasses and losing_caller_save_reg_set.
1417 (init_regs): Remove init_reg_autoinc.
1418 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1419 ok_for_base_p_nonstrict): Remove.
1420 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1421 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1422 corresponding entries.
1423 (dump_regclass, record_operand_costs, scan_one_insn,
1424 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1425 record_address_regs, auto_inc_dec_reg_p): Remove.
1426 (gt-regclass.h): Rename to gt-reginfo.h.
1428 * rtl.h (dump_global_regs, retry_global_alloc,
1429 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1431 * Makefile.in (RA_H): Remove.
1432 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1433 Rename regclass.o to reginfo.o.
1434 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1436 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1437 (GTFILES): Rename regclass.c to reginfo.c.
1439 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1440 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1442 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1443 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1445 (finish_spills): Ditto. Remove code for !flag_ira.
1447 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1450 * doc/invoke.texi (rtl debug options): Complete rewrite.
1451 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1453 * mode-switching.c (pass_mode_switching): Rename pass from
1454 "mode-sw" to "mode_sw".
1455 * except.c (pass_convert_to_eh_ranges): Rename pass from
1456 "eh-ranges" to "eh_ranges".
1457 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1461 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1462 Alexander Monakov <amonakov@ispras.ru>
1465 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1467 (move_exprs_to_boundary): Change return type and pass through
1468 should_move from move_op. Relax assert. Update usage ...
1469 (schedule_expr_on_boundary): ... here. Use should_move instead of
1471 (move_op_orig_expr_found): Indicate that insn was disconnected from
1473 (code_motion_process_successors): Do not call after_merge_succs
1474 callback if original expression was not found when traversing any of
1476 (code_motion_path_driver): Change return type. Update prototype.
1477 (move_op): Update comment. Add a new parameter (should_move). Update
1478 prototype. Set *should_move based on indication provided by
1479 move_op_orig_expr_found.
1481 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1483 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1484 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1485 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1486 * config/rs6000/rs6000.c (rs6000_override_options): Default
1487 avoid-indexed-addresses on for Power6, off for everything else.
1488 (avoiding_indexed_address_p): New function.
1489 (rs6000_legitimize_address): Use it.
1490 (rs6000_legitimate_address): Likewise.
1491 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1493 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1495 PR tree-optimization/38997
1496 * tree-loop-distribution.c (generate_memset_zero): Use
1497 POINTER_PLUS_EXPR for a pointer addition.
1499 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1501 * config/s390/s390.md (bswap<mode>2): New pattern added.
1503 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1505 * config/s390/s390.md (*tls_load_31): Added type attribute.
1507 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1509 * config/s390/s390.md: Fix a few comments.
1511 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1513 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1514 (*tm<mode>_full): Fixed z10prop attribute.
1515 (*tst<mode>_extimm): Fixed z10prop attribute.
1516 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1517 (*tstqiCCT_cconly): Fixed z10prop attribute.
1518 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1519 (*movsi_larl): Fixed z10prop attribute.
1520 (*movsi_zarch): Fixed z10prop attribute.
1521 (*movsi_eas): Fixed z10prop attribute.
1522 (*movhi): Fixed z10prop attribute.
1523 (*movqi): Fixed z10prop attribute.
1524 (*movstrictqi): Fixed z10prop attribute.
1525 (*mov<mode>): Fixed z10prop attribute.
1526 (*movcc): Fixed z10prop attribute.
1527 (*sethighpartdi_64): Fixed z10prop attribute.
1528 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1529 (*negdi2_sign_cc): Fixed z10prop attribute.
1530 (*negdi2_sign): Fixed z10prop attribute.
1531 (*absdi2_sign_cc): Fixed z10prop attribute.
1532 (*absdi2_sign): Fixed z10prop attribute.
1533 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1534 (*negabsdi2_sign): Fixed z10prop attribute.
1535 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1536 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1537 (doloop_si64): Fixed z10prop attribute.
1538 (doloop_si31): Fixed z10prop attribute.
1539 (doloop_long): Fixed z10prop attribute.
1540 (indirect_jump): Fixed z10prop attribute.
1541 (nop): Fixed z10prop attribute.
1542 (main_base_64): Fixed z10prop attribute.
1543 (reload_base_64): Fixed z10prop attribute.
1545 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1547 PR rtl-optimization/38740
1548 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1550 * config/mips/mips.c (mips_reorg): Likewise.
1552 2009-01-28 Richard Guenther <rguenther@suse.de>
1554 PR tree-optimization/38926
1555 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1556 with the correct value id to a value.
1557 (do_regular_insertion): Use the value number of edoubleprime
1558 for the value number of the expr.
1561 2008-08-21 Richard Guenther <rguenther@suse.de>
1563 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1564 a PHI ask VN if it is already available.
1565 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1566 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1568 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1571 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1572 set to varying whenever max has TREE_OVERFLOW set, similarly
1573 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1575 2009-01-28 Richard Guenther <rguenther@suse.de>
1578 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1579 uninitialized aggregate uses in call arguments.
1581 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1583 PR tree-optimization/38984
1584 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1585 the nothing_id variable if -fno-delete-null-pointer-checks.
1587 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1590 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1591 (set_got_offset_rex64): Ditto.
1593 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1596 * doc/extend.texi: Improve local variable with asm reg.
1598 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1600 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1601 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1602 was not supplied then set warn_packed_bitfield_compat to the
1604 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1607 2009-01-27 Richard Guenther <rguenther@suse.de>
1609 PR tree-optimization/38503
1610 * cfgexpand.c (expand_gimple_basic_block): Ignore
1611 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1612 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1613 variables that cannot have TBAA applied.
1614 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1617 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1620 * calls.c (initialize_argument_information): Do not wrap complex
1621 arguments in SAVE_EXPR.
1623 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1625 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1626 (INSTALL_LIBGCC): Revert typo commit.
1628 2009-01-26 Richard Guenther <rguenther@suse.de>
1630 PR tree-optimization/38745
1631 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1632 from special handling.
1634 2009-01-26 Richard Guenther <rguenther@suse.de>
1636 PR tree-optimization/38745
1637 * tree-ssa.c (execute_update_addresses_taken): Do not include
1638 variables that cannot possibly be a register in not_reg_needs.
1639 Do not clear TREE_ADDRESSABLE on vars that may not become
1641 * tree-ssa.c (update_alias_info_1): Include those in the set
1642 of addressable vars.
1644 2009-01-26 Richard Guenther <rguenther@suse.de>
1647 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1648 * tree-ssa-dse.c: Include langhooks.h
1649 (execute_simple_dse): Remove stores with zero size.
1651 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1654 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1657 2009-01-24 Julian Brown <julian@codesourcery.com>
1659 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1660 config/arm/linux-atomic.c.
1661 * config/arm/linux-atomic.c: New.
1663 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1665 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1666 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1667 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1669 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1672 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1675 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1677 PR tree-optimization/38953
1678 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1679 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1680 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1681 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1684 2009-01-24 Paul Brook <paul@codesourcery.com>
1686 * config/arm/neon.md (neon_type): Move to arm.md.
1687 (neon_mov<VSTRUCT>): Add neon_type attribute.
1688 * config/arm/arm.md (neon_type): Move to here.
1689 (conds): Add "unconditioal" and use as default for NEON insns.
1691 2009-01-24 Ben Elliston <bje@au.ibm.com>
1693 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1694 void *' warning from -Wc++-compat.
1695 * Makefile.in (dominance.o-warn): Remove.
1697 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1699 PR tree-optimization/38932
1700 * fold-const.c (fold_unary_ignore_overflow): New.
1701 * tree.h (fold_unary_ignore_overflow): Declare.
1702 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1703 * tree-ssa-sccvn.c (visit_reference_op_load,
1704 simplify_unary_expression): Likewise.
1706 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1708 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1709 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1710 regardless of their type.
1711 * c-common.c (handle_packed_attribute): Don't ignore packed on
1713 * c.opt (Wpacked-bitfield-compat): New warning option.
1714 * stor-layout.c (place_field): Warn if offset of a field changed.
1715 * doc/extend.texi (packed): Mention the ABI change.
1716 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1717 (Warning Options): Add it to the list.
1719 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1721 * c-opts.c (c_common_post_options): Fix a typo in comments.
1723 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1726 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1727 variables to static.
1728 * doc/invoke.texi (-fmerge-all-constants): Update description.
1730 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1733 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1734 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1736 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1738 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1740 (LOCAL_ALIGNMENT): Similarly.
1742 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1743 Joseph Myers <joseph@codesourcery.com>
1745 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1746 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1747 * config/arm/arm-tune.md: Regenerate.
1748 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1751 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1753 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1754 version number to five.
1756 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1759 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1760 * c-common.c (set_underlying_type): Likewise.
1761 (is_typedef_decl ): Likewise
1763 (set_underlying_type): Likewise.
1764 (is_typedef_type): Likewise.
1766 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1769 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1772 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1775 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1776 (LIBGCC_SPEC): Don't define.
1777 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1779 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1781 PR rtl-optimization/38879
1782 * alias.c (base_alias_check): Unaligned access via AND address can
1783 alias all surrounding object types except those with sizes equal
1784 or wider than the size of unaligned access.
1786 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1789 * c-decl.c: (clone_underlying_type): Move this ...
1790 * c-common.c (set_underlying_type): ... here.
1791 Also, make sure the function properly sets TYPE_STUB_DECL() on
1792 the newly created typedef variant type.
1793 (is_typedef_decl ): New entry point.
1794 * tree.h: Added a new member member_types_needing_access_check to
1795 struct tree_decl_non_common.
1796 (set_underlying_type): New entry point.
1797 (is_typedef_type): Likewise.
1799 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1801 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1802 Check whether two instructions have memory references that
1803 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1804 are helper functions for traversing.
1805 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1806 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1807 not to draw dependency edge for instructions with non-conflicting
1810 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1813 * longlong.h: Update copyright years. Use soft-fp license notice.
1814 Sync __clz_tab declaration with glibc.
1816 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1819 * doc/extend.texi (syscall_linkage): New.
1820 (version_id): Modify.
1822 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1823 Richard Guenther <rguenther@suse.de>
1825 PR tree-optimization/38747
1826 PR tree-optimization/38748
1827 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1828 conversion if the base address is an indirect reference and the
1829 aliasing sets could cause issues.
1831 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1833 * common.opt (fgraphite, fgraphite-identity): Add comment for
1834 explaining why these options are not documented.
1836 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1838 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1839 gimple_call_lhs is NULL.
1841 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1844 * emit-rtl.c (adjust_address_1): Make sure memref is never
1847 2009-01-20 Ben Elliston <bje@au.ibm.com>
1849 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1850 const qualifier from arg parameter. Remove unnecessary cast to char *.
1851 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1852 const qualifier from arg 2.
1854 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1856 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1858 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1861 * rtl.h (reinit_regs): New prototype.
1862 * regclass.c: Include ira.h.
1864 * Makefile.in (regclass.o): Add ira.h.
1865 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1867 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1870 * c-common.c (handle_aligned_attribute): Use
1871 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1872 default alignment value.
1874 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1876 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1877 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1879 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1880 __BIGGEST_ALIGNMENT__.
1882 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1884 2009-01-18 Richard Guenther <rguenther@suse.de>
1886 PR tree-optimization/38819
1887 * tree-flow.h (operation_could_trap_helper_p): Declare.
1888 * tree-eh.c (operation_could_trap_helper_p): Export.
1889 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1890 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1891 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1892 are about to insert a possibly trapping instruction and fail
1895 2009-01-18 Andreas Schwab <schwab@suse.de>
1897 * doc/install.texi (Configuration): Remove obsolete paragraph
1898 about use of --with-gnu-ld with --with-gnu-as.
1900 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1902 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1903 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1904 Follow spelling conventions.
1906 2009-01-18 Ben Elliston <bje@au.ibm.com>
1908 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1909 C++ warning about implicit conversion from void * to struct
1911 (bitmap_obstack_free): Likewise for bitmap_element *.
1912 * Makefile.in (bitmap.o-warn): Remove.
1914 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1916 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1918 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1919 Tobias Grosser <tobi.grosser@amd.com>
1921 * graphite.c (graphite_trans_scop_block): Do not block single
1924 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1926 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1927 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1928 test with assertion.
1930 2009-01-16 Richard Guenther <rguenther@suse.de>
1932 PR tree-optimization/38835
1934 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1935 and INT + PTR -> (INT)(PTR p+ INT) folding.
1936 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1938 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1941 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1942 the subreg from a lowpart subreg if it is also casting the value.
1944 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1945 Tobias Grosser <tobi.grosser@amd.com>
1947 * graphite.c (compare_prefix_loops): New.
1948 (build_scop_canonical_schedules): Rewritten.
1949 (graphite_transform_loops): Move build_scop_canonical_schedules
1950 after build_scop_iteration_domain.
1952 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1953 Tobias Grosser <tobi.grosser@amd.com>
1955 * graphite.c (add_conditions_to_domain): Add the loops to
1956 the dimension of the iteration domain. Do copy the domain
1957 only when it exists.
1958 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1959 (add_conditions_to_constraints): New.
1960 (can_generate_code_stmt, can_generate_code): Removed.
1961 (gloog): Do not call can_generate_code.
1962 (graphite_transform_loops): Call add_conditions_to_constraints
1963 after building the iteration domain.
1965 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1967 PR tree-optimization/38789
1968 * tree-ssa-threadedge.c
1969 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1970 __builtin_constant_p.
1972 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1974 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1975 examined before deleting them.
1977 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1979 * function.c (aggregate_value_p): Correctly extract the function
1980 type from CALL_EXPR_FN lookup.
1982 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1984 * config/picochip/picochip.c (picochip_override_options): Revert
1985 CFI asm flag disable commited previously.
1987 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1988 Tobias Grosser <tobi.grosser@amd.com>
1989 Jan Sjodin <jan.sjodin@amd.com>
1991 * graphite.c (scan_tree_for_params): On substractions negate
1992 all the coefficients of the term.
1993 (clast_to_gcc_expression_red): New. Handle reduction expressions
1994 of more than two operands.
1995 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1996 (get_vdef_before_scop): Handle also the case of default definitions.
1998 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2000 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2001 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2002 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2004 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2005 Joey Ye <joey.ye@intel.com>
2008 * cfgexpand.c (expand_stack_alignment): Don't update stack
2009 boundary nor check incoming stack boundary here.
2010 (gimple_expand_cfg): Update stack boundary and check incoming
2011 stack boundary here.
2013 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2015 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2017 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2019 PR rtl-optimization/38245
2020 * calls.c (expand_call): Add stack arguments to
2021 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2022 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2023 in regs and partially in memory or BLKmode arguments.
2024 (emit_library_call_value_1): Add stack arguments to
2025 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2026 ACCUMULATE_OUTGOING_ARGS).
2027 * dce.c: Include tm_p.h.
2028 (find_call_stack_args): New function.
2029 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2031 (mark_insn): Call find_call_stack_args for CALL_Ps.
2032 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2033 forwards. Allocate and free arg_stores bitmap if needed, pass it
2034 down to deletable_insn_p, don't mark stores set in arg_stores
2035 bitmap, clear the bitmap at the beginning of each bb.
2036 * Makefile.in (dce.o): Depend on $(TM_P_H).
2038 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2041 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2042 to make sure the insn is a conditional test (bug 22599). Reformat a
2045 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2048 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2049 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2050 (gloog): Do not call cleanup_tree_cfg.
2051 (graphite_transform_loops): Call cleanup_tree_cfg after all
2052 scops have been code generated.
2054 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2055 * doc/gty.texi (Invoking the garbage collector): Added new node
2056 and section documenting ggc_collect.
2058 2009-01-14 Richard Guenther <rguenther@suse.de>
2060 PR tree-optimization/38826
2062 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2063 initialization notes only if we actually emitted a warning.
2064 (intra_create_variable_infos): Add constraints for a result decl
2065 that is passed by hidden reference.
2066 (build_pred_graph): Mark all related variables non-direct on
2069 2009-01-14 Nick Clifton <nickc@redhat.com>
2071 * ira-conflicts.c: Include addresses.h for the definition of
2073 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2074 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2076 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2079 * Makefile.in (ira-lives.o): Add except.h.
2081 * ira-lives.c: Include except.h.
2082 (process_bb_node_lives): Process can_throw_internal.
2084 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2086 PR rtl-optimization/38774
2087 * combine.c (simplify_set): When undoing cc_use change, don't do
2088 PUT_CODE on the newly created comparison, but instead put back the
2091 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2093 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2094 values. Remove duplicate arm8 entry.
2096 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2098 PR tree-optimization/38786
2099 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2100 the SSA_NAME case of expand_scalar_variables_expr.
2101 Set the type of an expression to the type of its assign statement.
2102 (expand_scalar_variables_expr): Also gather the scalar computation
2103 used to index the memory access. Do not pass loop_p.
2104 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2105 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2106 the gimple_stmt_iterator where it inserts new code.
2108 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2109 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2111 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2113 * graphite.h (debug_value): Removed.
2114 * graphite.c (debug_value): Removed.
2116 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2118 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2119 ldrd/strd with two 32-bit instructions.
2121 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2123 * config/arm/arm.c (struct processors): Pass for speed down into
2124 cost helper functions.
2125 (const_ok_for_op): Handle COMPARE and inequality nodes.
2126 (arm_rtx_costs_1): Rewrite.
2127 (arm_size_rtx_costs): Update prototype.
2128 (arm_rtx_costs): Pass speed down to helper functions.
2129 (arm_slowmul_rtx_costs): Rework cost calculations.
2130 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2131 (arm_9e_rtx_costs): Likewise.
2133 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2135 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2136 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2137 (alpha_legitimize_address): Do not split local symbols wider than
2138 UNITS_PER_WORD into HIGH/LO_SUM parts.
2140 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2143 * gcc.c (process_command): Replace call to execvp with calls
2144 to pex_one and exit.
2146 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2149 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2150 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2151 variant for devices with 3-byte PC.
2152 (__tablejump_elpm__) : New.
2154 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2157 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2158 offsetof member-designator, handle it as `[0].'.
2160 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2162 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2163 function when not using named sections on targets with named sections
2164 if branch distance is less than 262132.
2166 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2168 * combine.c (combine_instructions): Recompute
2169 optimize_this_for_speed_p for each BB in the main combine loop.
2171 2009-01-12 Tomas Bily <tbily@suse.cz>
2174 * tree-loop-distribution.c (prop_phis): New function.
2175 (generate_builtin): Call prop_phis.
2176 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2178 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2180 PR tree-optimization/38807
2181 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2182 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2184 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2186 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2187 subreg of op0 to the original op0.
2189 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2191 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2193 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2196 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2197 starting with digits.
2199 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2202 * config/arm/arm.c (arm_is_long_call_p): Don't call
2203 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2205 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2207 * regrename.c (regrename_optimize): Fix dumping.
2208 (find_oldest_value_reg): Preserve REG_POINTER.
2209 (copy_hardreg_forward_1): Likewise.
2211 2009-01-09 Diego Novillo <dnovillo@google.com>
2213 * gimple.h (struct gimple_statement_base) <uid>: Document
2214 the restrictions on its use.
2216 (gimple_set_uid): Tidy.
2218 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2220 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2221 zero guard even if align_bytes != 0 and count is smaller than
2224 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2226 PR rtl-optimization/38495
2227 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2228 (add_range_and_copies_from_move_list): Print all added ranges.
2229 Add ranges to memory optimized destination.
2231 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2235 * config/i386/i386.c (override_options): Reject
2236 -mstringop-strategy=rep_8byte with -m32.
2237 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2238 to 1. Do count comparison against epilogue_size_needed at compile
2239 time even when count_exp was constant forced into register. For
2240 size_needed don't jump to epilogue, instead just avoid aligning
2241 and invoke the body algorithm. If need_zero_guard, add zero guard
2242 even if count is non-zero, but smaller than size_needed + number of
2243 bytes that could be stored for alignment.
2244 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2245 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2246 but smaller than size_needed + number of bytes that could be stored
2247 for alignment. Compare size_needed with epilogue_size_needed instead
2248 of desired_align - align, don't adjust size_needed, pass
2249 epilogue_size_needed to the epilogue expanders.
2252 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2254 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2256 * pa.c (last_address): Change to unsigned.
2257 (update_total_code_bytes): Change argument to unsigned. Don't
2258 check if insn addresses are set.
2259 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2260 addresses are not set.
2261 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2263 2009-01-09 Nick Clifton <nickc@redhat.com>
2265 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2266 DECL_DECLARED_INLINE_P.
2268 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2271 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2272 GET_MODE (op0) in operand_subword_force calls.
2275 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2276 fold_convert arg0 operands to TREE_TYPE (op0) first.
2278 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2280 * params.def (ira-max-conflict-table-size): Decrease default value
2283 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2285 PR tree-optimization/37031
2286 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2288 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2289 allocate it using gc instead of heap, use VEC_quick_push instead of
2291 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2292 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2293 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2294 allocated vector from heap allocated.
2295 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2296 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2297 vector only after perfect_loop_nest_depth call.
2299 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2300 Jan Sjodin <jan.sjodin@amd.com>
2302 PR tree-optimization/38559
2303 * graphite.c (debug_value, copy_constraint,
2304 swap_constraint_variables, scale_constraint_variable, ): New.
2305 (get_lower_bound, get_upper_bound): Removed.
2306 (graphite_trans_bb_strip_mine): Clean up this code that works
2307 only for constant number of iterations. Fully copy upper and
2308 lower bound constraints, not only the constant part of them.
2309 * graphite.h (debug_value): Declared.
2311 2009-01-08 Ira Rosen <irar@il.ibm.com>
2313 PR tree-optimization/37194
2314 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2315 Don't add the cost of cost model guard in prologue to scalar
2316 outside cost in case of known number of iterations.
2318 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2319 Alan Modra <amodra@bigpond.net.au>
2321 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2322 non-word-aligned REG+CONST addressing.
2324 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2327 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2328 free_after_compilation when outputting a thunk.
2329 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2330 Do not call free_after_compilation here.
2332 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2334 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2335 (ix86_valid_target_attribute_inner_p): Ditto.
2337 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2339 PR tree-optimization/38492
2340 PR tree-optimization/38498
2341 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2342 * tree-chrec.h (scev_is_linear_expression): Declared.
2343 * graphite.c (graphite_cannot_represent_loop_niter): New.
2344 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2345 (graphite_loop_normal_form): Use gcc_assert.
2346 (scan_tree_for_params): Use CASE_CONVERT.
2347 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2348 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2349 Use gcc_assert. Discard scops that contain unhandled cases.
2350 (build_scop_conditions): Return a boolean status for unhandled cases.
2351 (strip_mine_profitable_p): Print the loop number, not its depth.
2352 (is_interchange_valid): Pass the depth of the loop nest, don't
2353 recompute it wrongly.
2354 (graphite_trans_bb_block): Same.
2355 (graphite_trans_bb_block): Print tentative of loop blocking.
2356 (graphite_trans_scop_block): Do not print that the loop has been
2358 (graphite_transform_loops): Do not handle scops that contain condition
2361 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2363 AVX Programming Reference (December, 2008)
2364 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2365 (_mm256_stream_pd): Likewise.
2366 (_mm256_stream_ps): Likewise.
2368 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2369 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2370 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2371 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2372 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2373 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2374 (ix86_expand_special_args_builtin): Likewise.
2376 * config/i386/sse.md (AVXMODEDI): New.
2377 (avx_movnt<mode>): Likewise.
2378 (avx_movnt<mode>): Likewise.
2379 (<sse>_movnt<mode>): Remove AVX support.
2380 (sse2_movntv2di): Likewise.
2382 2009-01-07 Richard Guenther <rguenther@suse.de>
2385 * fold-const.c (extract_muldiv): Remove obsolete comment.
2386 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2387 to PLUS_EXPR canonicalization for the canonicalization.
2389 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2391 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2392 hosted cross-compilers generating less efficient code.
2394 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2396 * function.h (rtl_data): Add a dbr_scheduled_p field.
2397 * reorg.c (dbr_schedule): Set it.
2398 (gate_handle_delay_slots): Check it.
2399 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2400 (mips_reorg): Check flag_delayed_branch instead of
2401 mips_base_delayed_branch.
2402 (mips_override_options): Don't set mips_base_delayed_branch
2403 or flag_delayed_branch.
2405 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2407 PR rtl-optimization/38426.
2408 * ira.c (ira): Set current_function_is_leaf earlier.
2410 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2412 PR rtl-optimization/38722
2413 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2414 too early, only set a flag and modify after last possible
2417 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2420 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2421 * real.c (decimal_single_format): Correct values of emin and emax.
2422 (decimal_double_format): Ditto.
2423 (decimal_quad_format): Ditto.
2424 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2425 computation of DECnn_MIN and DECnn_MAX for corrected values of
2426 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2427 __DECnn_MIN__, and adjust its computation for the corrected value
2430 2009-01-06 Jan Hubicka <jh@suse.cz>
2433 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2435 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2437 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2438 Add Robert Clark to the list of testers.
2440 2009-01-06 Jan Hubicka <jh@suse.cz>
2441 Kai Tietz <kai.tietz@onevision.com>
2443 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2444 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2446 2009-01-06 Jan Hubicka <jh@suse.cz>
2447 Kai Tietz <kai.tietz@onevision.com>
2449 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2451 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2452 (ix86_nsaved_regs): Count only general purpose regs.
2453 (ix86_nsaved_sseregs): New.
2454 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2455 to 16 for w64; compute padding and size of sse reg save area.
2456 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2457 general purpose regs.
2458 (ix86_emit_save_sse_regs_using_mov): New.
2459 (ix86_expand_prologue): Save SSE regs if needed.
2460 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2461 (ix86_emit_restore_sse_regs_using_mov): New.
2462 (ix86_expand_epilogue): Save SSE regs if needed.
2464 2009-01-06 Jan Hubicka <jh@suse.cz>
2465 Kai Tietz <kai.tietz@onevision.com>
2467 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2468 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2469 functions when accumulate outgoing args is off.
2471 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2474 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2475 before using pseudos_have_intersected_live_ranges_p.
2477 * ira-int.h (ira_assert): Always define.
2479 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2481 AVX Programming Reference (December, 2008)
2482 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2483 (_mm256_permute2_pd): Likewise.
2484 (_mm_permute2_ps): Likewise.
2485 (_mm256_permute2_ps): Likewise.
2486 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2487 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2489 * config/i386/i386.c (ix86_builtins): Remove
2490 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2491 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2492 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2493 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2494 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2495 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2496 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2497 __builtin_ia32_vpermil2ps256.
2498 (ix86_init_mmx_sse_builtins): Updated.
2499 (ix86_expand_args_builtin): Likewise.
2501 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2503 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2504 long absolute calls when generating PA 2.0 code.
2506 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2508 PR rtl-optimization/38583
2509 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2511 * params.def (ira-max-conflict-table-size): New.
2513 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2515 * ira.h (ira_conflicts_p): New external definition.
2517 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2518 table. Report this. Return result of building.
2519 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2520 building conflict table.
2522 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2523 (ira_color): Use ira_conflicts_p.
2525 * global.c: Include ira.h.
2526 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2529 * Makefile.in (global.o): Add ira.h.
2531 * ira-build.c (mark_all_loops_for_removal,
2532 propagate_some_info_from_allocno): New.
2533 (remove_unnecessary_allocnos): Call
2534 propagate_some_info_from_allocno.
2535 (remove_low_level_allocnos): New.
2536 (remove_unnecessary_regions): Add parameter. Call
2537 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2538 parameter to remove_unnecessary_regions.
2539 (ira_build): Remove all regions but root if the conflict table was
2540 not built. Update conflict hard regs for allocnos crossing calls.
2542 * ira.c (ira_conflicts_p): New global.
2543 (ira): Define and use ira_conflicts_p.
2545 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2546 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2547 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2549 2009-01-06 Ben Elliston <bje@au.ibm.com>
2551 * gengtype-lex.l (YY_NO_INPUT): Define.
2553 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2556 * c-common.c (handle_vector_size_attribute): Also reject
2559 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2561 PR tree-optimization/38492
2562 * graphite.c (rename_map_elt, debug_rename_elt,
2563 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2564 rename_map_elt_info, eq_rename_map_elts,
2565 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2566 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2567 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2568 (sese_build_livein_liveouts): New.
2569 (new_sese, free_sese): New.
2570 (new_scop): Call new_sese.
2571 (free_scop): Call free_sese.
2572 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2573 (register_old_new_names): Renamed register_old_and_new_names.
2574 (register_scop_liveout_renames, add_loop_exit_phis,
2575 insert_loop_close_phis, struct igp,
2576 default_liveout_before_guard, add_guard_exit_phis,
2577 insert_guard_phis, copy_renames): New.
2578 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2579 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2580 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2581 (scop_adjust_phis_for_liveouts): New.
2582 (gloog): Call scop_adjust_phis_for_liveouts.
2584 * graphite.h (struct sese): Documented. Added fields liveout,
2586 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2587 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2588 (struct scop): Added field liveout_renames.
2589 (SCOP_LIVEOUT_RENAMES): New.
2591 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2593 PR tree-optimization/38510
2594 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2595 (translate_clast): Call recompute_all_dominators before
2597 (gloog): Call recompute_all_dominators before graphite_verify.
2599 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2600 Jan Sjodin <jan.sjodin@amd.com>
2602 PR tree-optimization/38500
2603 * graphite.c (create_sese_edges): Call fix_loop_structure after
2606 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2608 * config.gcc: Add m32r*-*-rtems*.
2609 * config/m32r/rtems.h: New file.
2611 2009-01-05 Ben Elliston <bje@au.ibm.com>
2613 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2614 (.po.pox): Likewise.
2615 (po/gcc.pot): Likewise.
2617 2009-01-04 David S. Miller <davem@davemloft.net>
2619 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2620 (STARTING_FRAME_OFFSET): Always set to zero.
2622 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2624 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2625 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2626 fixed-point types, and vectors of the same.
2628 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2630 * config/mips/sync.md (*mb_barrier): Rename to...
2631 (*memory_barrier): ...this.
2633 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2635 * doc/extend.texi (Function Attributes): Move @cindex after @item
2636 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2637 and put in alphabetical order. Fix 'target' name and put in order.
2638 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2641 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2643 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2644 (memory_barrier): Expand as unspec instead of unspec_volatile.
2645 Remove mem:BLK from insn operands. Use Pmode scratch register.
2646 (*memory_barrier): Define as unspec instead of unspec_volatile.
2647 Use (match_dup 0) as input operand.
2649 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2650 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2651 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2652 scratch register. Remove operand 1.
2653 (*stbar): Define as unspec instead of unspec_volatile.
2654 Use (match_dup 0) as input operand, remove (const_int 8).
2655 (*membar): Define as unspec instead of unspec_volatile.
2656 Use (match_dup 0) as input operand, remove input operand 2.
2658 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2659 (memory_barrier): Expand as unspec instead of unspec_volatile.
2660 Remove mem:BLK from insn operands. Use Pmode scratch register.
2661 (*memory_barrier): Define as unspec instead of unspec_volatile.
2662 Use (match_dup 0) as input operand.
2664 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2665 Remove mem:BLK from insn operands. Use Pmode scratch register.
2666 Set volatile flag on operand 0.
2667 (*memory_barrier): New insn pattern.
2669 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2671 (*memory_barrier): Use (match_dup 0) as input operand.
2673 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2674 Remove mem:BLK from insn operands. Use Pmode scratch register.
2675 Set volatile flag on operand 0.
2676 (*mb_internal): New insn pattern.
2678 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2680 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2683 * function.c (struct temp_slot): Move to the section of the file
2684 that deals with temp slots. Remove field 'address'.
2685 (temp_slot_address_table): New hash table of address -> temp slot.
2686 (struct temp_slot_address_entry): New struct, items for the table.
2687 (temp_slot_address_compute_hash, temp_slot_address_hash,
2688 temp_slot_address_eq, insert_temp_slot_address): Support functions
2690 (find_temp_slot_from_address): Rewrite to use the new hash table.
2691 (remove_unused_temp_slot_addresses): Remove addresses of temp
2692 slots that have been made available.
2693 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2694 worker function for remove_unused_temp_slot_addresses.
2695 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2696 Add the temp slot address to the address -> temp slot map.
2697 (update_temp_slot_address): Update via insert_temp_slot_address.
2698 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2699 (pop_temp_slots): Likewise.
2700 (init_temp_slots): Allocate the address -> temp slot map, or empty
2701 the map if it is already allocated.
2702 (prepare_function_start): Initialize temp slot processing.
2704 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2707 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2708 Calculate the size of all stack vars assuming no packing of stack
2709 vars will happen, replacing a quadratic algorithm with a linear one.
2711 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2714 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2717 2009-01-03 Diego Novillo <dnovillo@google.com>
2719 * doc/contrib.texi: Update contributions.
2721 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2724 * builtins.c (fold_builtin_memory_op): Give up if either operand
2725 is volatile. Set srctype or desttype to non-qualified version
2729 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2732 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2734 PR rtl-optimization/35805
2735 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2736 problem if fast dce is able to remove any instructions.
2737 * dce.c (dce_process_block): Fix dump message.
2739 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2742 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2744 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2747 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2748 * tree-pretty-print.c (op_code_prio): New function.
2749 (op_prio): No longer static. Use op_code_prio.
2750 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2751 Use op_prio and op_code_prio to determine if () should be
2752 printed around operand(s) or not.
2754 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2755 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2756 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2757 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2758 pp_character instead of pp_string for single letter printing.
2760 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2762 * doc/extend.texi: Fix '#pragma GCC option' typo.
2764 2009-01-02 Richard Guenther <rguenther@suse.de>
2766 * doc/install.texi (--enable-checking): Mention different
2768 (--enable-stage1-checking): Document.
2770 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2773 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2774 case to be an error.
2776 2009-01-02 Ben Elliston <bje@au.ibm.com>
2778 * config/fp-bit.h (pack_d): Constify argument.
2779 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2780 (isnan): Constify argument.
2784 (_fpadd_parts): Constify return type.
2785 (_fpmul_parts): Likewise.
2786 (_fpdiv_parts): Likewise.
2788 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2791 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2792 warn about overwriting initializer with side-effects or
2793 -Woverride-init if !IMPLICIT.
2794 (output_init_element): Likewise. Pass IMPLICIT down to
2796 (process_init_element): Add IMPLICIT argument. Pass it down
2797 to output_init_element.
2798 (push_init_element, pop_init_level, set_designator): Adjust
2799 process_init_element callers.
2800 (set_nonincremental_init, set_nonincremental_init_from_string):
2801 Adjust add_pending_init callers.
2802 (output_pending_init_elements): Adjust output_init_element callers.
2803 * c-tree.h (process_init_element): Adjust prototype.
2804 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2805 process_init_element callers.