1 2010-03-17 Martin Jambor <mjambor@suse.cz>
3 PR tree-optimization/43347
4 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
5 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
7 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
9 PR rtl-optimization/42216
10 * regrename.c (create_new_chain): New function, broken out from...
11 (scan_rtx_reg): ... here. Call it. Handle the case where we are
12 appending a use to an empty chain.
13 (build_def_use): Remove previous changes that convert OP_INOUT to
14 OP_OUT operands; instead detect the case where an OP_INOUT operand
15 uses a previously untracked register and create an empty chain for
18 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
20 * doc/extend.texi (Function Attributes): Rewrite unfinished
21 sentence in ms_abi documentation.
23 2010-03-17 Alan Modra <amodra@gmail.com>
25 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
26 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
27 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
28 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
30 2010-03-16 Richard Henderson <rth@redhat.com>
33 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
34 (lower_try_finally): Save and restore eh_seq around the expansion
37 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
39 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
40 statements before splitting block.
42 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
44 * doc/sourcebuild.texi (Testsuites): Fix markup.
45 Use pathnames relative to gcc/testsuite.
46 (Test Directives): Move description of how timeout is determined.
47 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
48 (C Tests): Correct gcc.misc-tests directory.
49 Framework tests now live in gcc.test-framework.
51 2010-03-16 Richard Guenther <rguenther@suse.de>
54 * tree-cfg.c (gimple_merge_blocks): When propagating virtual
55 PHI operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI
58 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
59 Alexandre Oliva <aoliva@redhat.com>
61 PR tree-optimization/42917
62 * lambda-code.c (remove_iv): Skip debug statements.
63 (lambda_loopnest_to_gcc_loopnest): Likewise.
64 (not_interesting_stmt): Debug statements are not interesting.
66 2010-03-16 Jakub Jelinek <jakub@redhat.com>
70 * cselib.c (cselib_preserve_constants,
71 cfa_base_preserved_val): New static variables.
72 (preserve_only_constants): New function.
73 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
74 clear its REG_VALUES. If cselib_preserve_constants, don't
75 empty the whole hash table, but preserve there VALUEs with constants,
76 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
77 (cselib_preserve_cfa_base_value): New function.
78 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
79 (cselib_init): Change argument to int bitfield. Set
80 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
82 (cselib_finish): Clear cselib_preserve_constants and
83 cfa_base_preserved_val.
84 * cselib.h (enum cselib_record_what): New enum.
85 (cselib_init): Change argument to int.
86 (cselib_preserve_cfa_base_value): New prototype.
87 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
88 * dse.c (dse_step1): Likewise.
89 * cfgcleanup.c (thread_jump): Likewise.
90 * sched-deps.c (sched_analyze): Likewise.
91 * gcse.c (local_cprop_pass): Likewise.
92 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
93 If FN is non-NULL, call the callback always and whenever it returns
94 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
95 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
96 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
97 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
98 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
99 * var-tracking.c: Include recog.h.
100 (bb_stack_adjust_offset): Remove.
101 (vt_stack_adjustments): Don't call it, instead just gather the
102 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
103 (adjust_stack_reference): Remove.
104 (compute_cfa_pointer): New function.
105 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
106 (struct adjust_mem_data): New type.
107 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
109 (get_address_mode): New function.
110 (replace_expr_with_values): Use it.
111 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
112 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
113 (adjust_sets): Remove.
114 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
115 Use get_address_mode.
116 (get_adjusted_src): Remove.
117 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
118 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
119 (add_with_sets): Don't call adjust_sets.
120 (fp_setter, vt_init_cfa_base): New functions.
121 (vt_initialize): Change return type to bool. Move most of pool etc.
122 initialization to the beginning of the function from end. Pass
123 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
124 If !frame_pointer_needed, call vt_stack_adjustment before mos
125 vector is filled, call vt_init_cfa_base if argp/framep has been
126 eliminated to sp. If frame_pointer_needed and argp/framep has
127 been eliminated to hard frame pointer, set
128 hard_frame_pointer_adjustment and call vt_init_cfa_base after
129 encountering fp setter in the prologue. For MO_ADJUST, call
130 log_op_type before pusing the op into mos vector, not afterwards.
131 Call adjust_insn before cselib_process_insn/add_with_sets,
132 call cancel_changes (0) afterwards.
133 (variable_tracking_main_1): Adjust for vt_initialize calling
134 vt_stack_adjustments and returning whether it succeeded or not.
136 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
138 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
141 2010-03-15 Jakub Jelinek <jakub@redhat.com>
143 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
145 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
146 drap_reg has not been set.
148 2010-03-15 Michael Matz <matz@suse.de>
151 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
152 use it to expand block copies.
153 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
154 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
155 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
157 2010-03-15 Richard Guenther <rguenther@suse.de>
159 PR tree-optimization/43367
160 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
163 2010-03-15 Richard Guenther <rguenther@suse.de>
165 PR tree-optimization/43317
166 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
168 2010-03-15 Martin Jambor <mjambor@suse.cz>
170 PR tree-optimization/43141
171 * tree-sra.c (create_abstract_origin): New function.
172 (modify_function): Call create_abstract_origin.
174 2010-03-15 Chris Demetriou <cgd@google.com>
176 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
179 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
182 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
183 call insert_out_of_ssa_copy for default definitions.
185 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
187 * graphite-clast-to-gimple.c (my_long_long): Defined.
188 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
189 * graphite-sese-to-poly.c (my_long_long): Defined.
190 (scop_ivs_can_be_represented): Use it.
192 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
194 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
195 graphite-max-bbs-per-function, and loop-block-tile-size.
196 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
198 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
200 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
202 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
204 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
205 (add_upper_bounds_from_estimated_nit): New.
206 (build_loop_iteration_domains): Use it.
208 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
210 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
212 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
215 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
216 should be an INTEGER_CST. Also handle CASE_CONVERT.
218 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
220 * graphite.c (graphite_initialize): To bound the number of bbs per
221 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
222 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
223 * doc/invoke.texi: Document it.
225 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
227 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
228 * graphite-sese-to-poly.h (build_poly_scop): Same.
230 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
232 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
233 the number of parameters in the scop. Use as an upper bound
234 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
235 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
236 * doc/invoke.texi: Document it.
238 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
240 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
241 * doc/c-tree.texi: Remove.
242 * doc/generic.texi: Merge c-tree.texi here.
243 * doc/gccint.texi (Trees): Remove menu entry.
244 (c-tree.texi): Remove @include.
245 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
246 * doc/languages.texi (Reading RTL): Ditto.
248 2010-03-12 Steve Ellcey <sje@cup.hp.com>
251 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
253 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
256 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
257 code added to work around reload clobbering CONST insns.
259 2010-03-12 Jakub Jelinek <jakub@redhat.com>
261 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
262 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
263 (cselib_preserve_only_values): Remove retain argument, don't
264 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
265 * cselib.h (cselib_preserve_only_values): Remove retain argument.
266 * var-tracking.c (micro_operation): Move insn field before union.
267 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
268 (struct variable_tracking_info_def): Remove n_mos field, change
269 mos into a vector of micro_operations.
270 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
271 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
272 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
273 changing into a vector.
274 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
275 come before all other uops generated by add_stores.
276 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
278 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
279 a vector. Run just one pass over the bbs instead of separate counting
280 and computation phase.
281 (vt_finalize): Free VTI (bb)->mos vector instead of array.
284 * tree-inline.c (remap_decls): Put old_var rather than origin_var
285 into *nonlocalized_list vector.
286 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
287 even if origin is non-NULL.
288 (gen_variable_die): Likewise.
289 (process_scope_var): Don't change origin.
290 (gen_decl_die): Likewise.
291 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
292 before adding new edges instead of after it, fix moving over
295 2010-03-11 David S. Miller <davem@davemloft.net>
297 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
299 * configure: Rebuild.
301 2010-03-11 Martin Jambor <mjambor@suse.cz>
303 PR tree-optimization/43257
304 * tree.c (assign_assembler_name_if_neeeded): New function.
305 (free_lang_data_in_cgraph): Assembler name assignment moved to the
307 * tree.h (assign_assembler_name_if_neeeded): Declare.
308 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
309 the function if needed.
311 2010-03-11 Chris Demetriou <cgd@google.com>
313 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
314 include/stdint-gcc.h, and include/stdint.h world-readable.
316 2010-03-11 Richard Guenther <rguenther@suse.de>
318 PR tree-optimization/43255
319 * tree-vrp.c (process_assert_insertions_for): Do not insert
320 asserts for trivial conditions.
322 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
324 PR tree-optimization/43280
325 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
326 generation. Move calculation of size out of the if branch.
327 (find_bswap): Modify compare number generation.
329 2010-03-11 Richard Guenther <rguenther@suse.de>
332 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
333 (input_gimple_stmt): Fixup handled component types during
334 operand read. Also fix up decls in ADDR_EXPRs.
336 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
338 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
339 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
341 2010-03-10 Jan Hubicka <jh@suse.cz>
344 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
345 * varasm.c (get_variable_section): Don't do that here...
346 (make_decl_rtl): ... and here.
347 (do_assemble_alias): Produce decl RTL.
348 (assemble_alias): Likewise.
350 2010-03-10 Jakub Jelinek <jakub@redhat.com>
353 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
354 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
356 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
357 (based_loc_descr): Only express drap or vdrap regno based expressions
358 using DW_OP_fbreg when not optimizing.
359 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
360 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
361 REG_CFA_SET_VDRAP note.
363 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
365 PR tree-optimization/43236
366 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
367 error in calculation of base address in reverse iteration case.
368 (generate_builtin): Take number of latch executions if the statement
371 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
374 * tree-eh.c: Include pointer-set.h.
375 (lower_eh_dispatch): Filter out duplicate case labels and
376 remove the unneeded edge when the label is unused. Return
377 true when some edges are removed.
378 (execute_lower_eh_dispatch): When any lowering resulted in
379 removing an edge, also delete unreachable blocks.
381 2010-03-10 Jakub Jelinek <jakub@redhat.com>
384 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
385 UNSPEC_MACHOPIC_OFFSET.
387 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
390 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
391 (m68k_delegitimize_address): New function.
393 2010-03-09 Jakub Jelinek <jakub@redhat.com>
396 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
399 * var-tracking.c (adjust_sets): New function.
400 (count_with_sets, add_with_sets): Use it.
401 (get_adjusted_src): New inline function.
402 (add_stores): Use it.
405 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
406 call cselib_dummy_expand_value_rtx_cb instead of
407 cselib_expand_value_rtx_cb.
410 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
411 * config/i386/i386.c: Include debug.h and dwarf2out.h.
412 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
413 and .cfi_endproc around the pic thunks.
414 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
415 all queued unwind info register saves are saved before the call.
416 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
417 considered as sp-=4 for unwind info and the pop as sp+=4 which
418 also clobbers dest, but doesn't actually restore it.
421 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
424 2010-03-09 Jie Zhang <jie@codesourcery.com>
426 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
427 whitespaces in output template.
429 2010-03-09 Jie Zhang <jie@codesourcery.com>
431 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
434 2010-03-08 Jakub Jelinek <jakub@redhat.com>
436 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
437 builtins.exp in a separate job.
439 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
441 * graphite-sese-to-poly.c (add_param_constraints): Use
442 lower_bound_in_type and upper_bound_in_type.
444 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
446 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
447 instead of unsigned_type_node.
449 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
450 Reza Yazdani <reza.yazdani@amd.com>
453 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
454 on pointer type parameters.
456 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
460 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
461 handle conversions from pointer to integers.
462 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
463 induction variable, to be able to work with code generated by CLooG.
464 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
465 (build_poly_scop): Bail out if we cannot codegen a loop.
467 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
469 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
470 code generation with gloog_error.
472 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
474 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
475 Call fold_convert on all the returned values.
476 (expand_scalar_variables_expr): Pass to
477 expand_scalar_variables_ssa_name the type of the resulting expression.
479 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
481 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
482 ppl_min_for_le_pointset.
483 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
484 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
486 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
488 * graphite-dependences.c (map_into_dep_poly): Removed.
489 (dependence_polyhedron_1): Use combine_context_id_scat.
491 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
493 * graphite-poly.h (struct poly_scattering): Add layout documentation.
494 (struct poly_bb): Same.
495 (combine_context_id_scat): New.
497 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
500 * sese.c (name_defined_in_loop_p): Return false for default
503 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
505 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
506 and clean up the logic.
508 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
510 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
513 2010-03-08 Jakub Jelinek <jakub@redhat.com>
515 * var-tracking.c (remove_cselib_value_chains): Define only for
517 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
518 delete_slot_part, emit_notes_for_differences_1): Don't call
519 remove_cselib_value_chains here.
520 (set_slot_part, emit_notes_for_differences_2): Don't call
521 add_cselib_value_chains here.
522 (preserved_values): New vector.
523 (preserve_value): New function.
524 (add_uses, add_stores, vt_add_function_parameters): Use it
525 instead of cselib_preserve_value.
526 (changed_values_stack): New vector.
527 (check_changed_vars_0): New function.
528 (check_changed_vars_1, check_changed_vars_2): Use it.
529 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
530 changed_values_stack VALUEs.
531 (vt_emit_notes): For all preserved_values call
532 add_cselib_value_chains. If ENABLE_CHECKING call
533 remove_cselib_value_chains before verifying value_chains is empty.
534 Initialize and free changed_values_stack.
535 (vt_initialize): Initialize preserved_values.
536 (vt_finalize): Free preserved_values.
538 2010-03-08 Richard Guenther <rguenther@suse.de>
540 PR tree-optimization/43269
541 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
544 2010-03-08 Martin Jambor <mjambor@suse.cz>
546 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
547 (ipa_is_param_called): Removed.
548 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
549 (ipa_print_node_params): Do not print the called flag.
550 (ipa_write_node_info): Do not stream the called flag.
551 (ipa_read_node_info): Likewise.
553 2010-03-07 Jakub Jelinek <jakub@redhat.com>
556 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
557 * cselib.c (struct expand_value_data): Add dummy field.
558 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
560 (cselib_dummy_expand_value_rtx_cb): New function.
561 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
563 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
564 * var-tracking.c: Include pointer-set.h.
565 (variable): Change n_var_parts to char from int. Add
566 cur_loc_changed and in_changed_variables fields.
567 (variable_canonicalize): Remove.
568 (shared_var_p): New inline function.
569 (unshare_variable): Maintain cur_loc_changed and
570 in_changed_variables fields. If var was in changed_variables,
571 replace it there with new_var. Just copy cur_loc instead of
572 resetting it to something else.
573 (variable_union): Don't recompute cur_loc. Use shared_var_p.
574 (dataflow_set_union): Don't call variable_canonicalize.
575 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
576 of their DEBUG_EXPR_TREE_DECLs.
577 (canonicalize_loc_order_check): Verify that cur_loc is NULL
578 and in_changed_variables and cur_loc_changed is false.
579 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
580 and cur_loc_changed. Don't update cur_loc here.
581 (variable_merge_over_src): Don't call variable_canonicalize.
582 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
583 removing loc that is equal to cur_loc, clear cur_loc,
584 set cur_loc_changed and ensure variable_was_changed is called.
585 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
586 compare pointers in cur_loc check, if it is equal to loc,
587 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
588 (variable_different_p): Remove compare_current_location argument,
589 don't compare cur_loc.
590 (dataflow_set_different_1): Adjust variable_different_p caller.
591 (variable_was_changed): If dv had some var in changed_variables
592 already, reset in_changed_variables flag for it and propagate
593 cur_loc_changed over to the new variable. On empty var
594 always set cur_loc_changed. Set in_changed_variables on whatever
595 var is added to changed_variables.
596 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
597 Use shared_var_p. When removing loc that is equal to cur_loc,
598 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
599 end, don't set it to something else, just call variable_was_changed.
600 (delete_slot_part): Use shared_var_p. When cur_loc equals to
601 loc being removed, clear cur_loc and set cur_loc_changed.
602 Set cur_loc_changed if all locations have been removed.
603 (struct expand_loc_callback_data): New type.
604 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
605 allocated. Always create SUBREGs if simplify_subreg failed.
606 Prefer to use cur_loc, when that fails and still in
607 changed_variables (and seen first time) recompute it. Set
608 cur_loc_changed of variables which had to change cur_loc and
609 compute elcd->cur_loc_changed if any of the subexpressions used
610 had to change cur_loc.
611 (vt_expand_loc): Adjust to pass arguments in
612 expand_loc_callback_data structure.
613 (vt_expand_loc_dummy): New function.
614 (emitted_notes): New variable.
615 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
616 that weren't used for any other decl in current
617 emit_notes_for_changes call call vt_expand_loc_dummy to update
618 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
619 first loc_chain location if NULL before. Always use just
620 cur_loc instead of first loc_chain location. When cur_loc_changed
621 is false, when not --enable-checking=rtl just don't emit any note.
622 When rtl checking, compute the note and assert it is the same
623 as previous note. Clear cur_loc_changed and in_changed_variables
624 at the end before removing from changed_variables.
625 (check_changed_vars_3): New function.
626 (emit_notes_for_changes): Traverse changed_vars to call
627 check_changed_vars_3 on each changed var.
628 (emit_notes_for_differences_1): Clear cur_loc_changed and
629 in_changed_variables. Recompute cur_loc of new_var.
630 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
631 (vt_emit_notes): Initialize and destroy emitted_notes.
633 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
635 PR rtl-optimization/42220
636 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
637 Use verify_reg_tracked to determine if we should use OP_OUT rather
639 (build_def_use): If we see an in-out operand for a register that we
640 know nothing about, treat is an output if possible, fail the block if
643 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
646 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
649 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
652 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
653 uses of relevant DEFs that are dead outside the loop too.
655 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
657 * var-tracking.c (dataflow_set_merge): Swap src and src2.
659 2010-01-13 Jakub Jelinek <jakub@redhat.com>
661 * var-tracking.c (values_to_unmark): New variable.
662 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
663 values_to_unmark vector. Moved body to...
664 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
665 instead queue it into values_to_unmark vector.
666 (vt_find_locations): Free values_to_unmark vector.
668 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
670 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
671 (site.exp): Export them when plugins are enabled.
673 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
676 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
678 (chrec_fold_multiply): Same.
680 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
683 * c-decl.c (build_compound_literal): Return early if init is
686 2010-03-04 Martin Jambor <mjambor@suse.cz>
688 PR tree-optimization/43164
689 PR tree-optimization/43191
690 * tree-sra.c (type_consists_of_records_p): Reject records with
691 zero-size bit-fields at the end.
693 2010-03-04 Mike Stump <mikestump@comcast.net>
695 * Makefile.in (TAGS): Remove *.y.
697 2010-03-04 Richard Guenther <rguenther@suse.de>
699 PR tree-optimization/40761
700 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
702 (my_rev_post_order_compute): New function.
705 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
708 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
709 decrease the cost of an IV candidate when the cost is infinite.
711 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
713 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
714 Use '3DNow!' for the extension of that name, ensure normal space
716 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
718 2010-03-03 Jeff Law <law@redhat.com>
720 * PR middle-end/32693
721 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
723 (extract_bit_field_1): Likewise.
725 2010-03-03 Janis Johnson <janis187@us.ibm.com>
727 * doc/sourcebuild.texi (Test directives): Document that arguments
728 include-opts and exclude-opts are now optional for dg-skip-if,
729 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
731 2010-03-03 Jason Merrill <jason@redhat.com>
734 * cgraph.h (varpool_node): Add extra_name field.
735 * varpool.c (varpool_extra_name_alias): New.
736 (varpool_assemble_decl): Emit extra name aliases.
737 (varpool_mark_needed_node): Look past an extra name alias.
738 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
739 * lto-streamer-in.c (lto_input_tree): Read it.
740 * lto-streamer-out.c (output_unreferenced_globals): Write it.
742 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
744 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
745 (sparc*-*-solaris2*): ...this.
747 2010-03-03 Jakub Jelinek <jakub@redhat.com>
750 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
751 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
752 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
753 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
756 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
757 fallthrough to default handling, just with want_address 0 instead of 2.
758 For single element lists, add_AT_loc directly, otherwise create an
759 artificial variable DIE and stick location list to it.
762 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
763 (VAL_EXPR_HAS_REVERSE): Define.
764 (reverse_op): New function.
765 (add_stores): For reversible operations add an extra MO_VAL_USE.
767 2010-03-02 Jason Merrill <jason@redhat.com>
769 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
771 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
773 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
774 (sparc64-*-linux*): Likewise.
775 (sparc64-*-solaris2*): Include assembler files before linker ones.
776 (sparc-*-solaris2*): Simplify and reorder to match previous case.
777 * config/sparc/gas.h: Delete.
778 * config/sparc/sol2-64.h: Add copyright notice.
779 * config/sparc/sol2-gas-bi.h: Likewise.
780 * config/sparc/sol2-gld.h: Likewise.
781 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
782 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
783 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
784 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
785 (sparc_elf_asm_named_section): Rename into...
786 (sparc_solaris_elf_asm_named_section): ...this. Always define.
788 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
790 * config/alpha/alpha.c (override_options): Fix -mtune error message.
792 2010-03-02 Jeff Law <law@redhat.com>
795 * reload1.c (rtx_p, substitute_stack): Declare.
796 (substitute): Record addresses of changed rtxs.
797 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
798 Restore the original rtx when complete.
799 (reload): Free subsitute_stack when complete.
801 2010-03-02 Janis Johnson <janis187@us.ibm.com>
803 * doc/gccint.texi (menu): Add Testsuites as a chapter.
804 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
806 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
807 LTO Testing, gcov Testing, profopt Testing, compat Testing,
808 Torture Tests): Change from subsection to section.
810 2010-03-02 Jakub Jelinek <jakub@redhat.com>
811 Steven Bosscher <steven@gcc.gnu.org>
813 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
816 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
819 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
820 the assignment from the new induction variable to the assignment
821 of the value from the original loop PHI function.
823 2010-03-01 Janis Johnson <janis187@us.ibm.com>
824 Daniel Jacobowitz <dan@codesourcery.com>
826 * doc/sourcebuild.texi (Test directives): Clarify options to
829 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
831 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
832 Disable cfi directives unless GCC and gas agree on using read-only
833 .eh_frame sections for 64-bit.
834 * configure: Regenerate.
836 2010-03-01 Richard Guenther <rguenther@suse.de>
838 PR tree-optimization/43220
839 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
840 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
842 2010-03-01 Richard Guenther <rguenther@suse.de>
843 Martin Jambor <mjambor@suse.cz>
846 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
847 gimplified parameters.
849 2010-03-01 Christian Bruel <christian.bruel@st.com>
851 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
853 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
855 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
857 2010-03-01 Richard Guenther <rguenther@suse.de>
860 * expr.c (expand_assignment): Use the alias-oracle to tell
861 if the rhs aliases the result decl.
863 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
866 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
867 to sol_gt_pch_get_address.
868 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
869 64-bit, SPARC and x86.
870 (sol_gt_pch_get_address): New function.
872 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
874 * toplev.h (inform_n, error_n): Declare.
875 * diagnostic.c (inform_n, error_n): New function.
877 2010-03-01 Jakub Jelinek <jakub@redhat.com>
879 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
880 has no rtl yet when processing local_decls, queue it and recheck
881 if deferred stack allocation hasn't assigned it rtl.
883 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
885 * config/sh/sh.c (unspec_bbr_uid): New.
886 (gen_block_redirect): Use it instead of INSN_UID.
887 (gen_far_branch): Likewise.
889 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
891 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
892 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
894 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
896 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
897 (Warning Options): -Wno-conversion-null is valid for
898 Objective-C++ as well.
899 * doc/tm.texi (Named Address Spaces): Likewise.
900 * doc/plugins.texi (Plugins): Replace TABs with spaces.
901 * doc/tree-ssa.texi (Tree SSA): Likewise.
903 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
906 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
907 by default. Don't set the default arch for
908 i[34567]86-*-darwin*|x86_64-*-darwin*.
910 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
913 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
914 default. Set the default 32bit/64bit archs with $with_arch
915 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
917 2010-02-27 Richard Guenther <rguenther@suse.de>
919 PR tree-optimization/43186
920 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
921 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
922 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
925 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
927 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
928 required and i[34567]86-*-* targets don't support 64bit ISA.
930 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
933 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
936 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
938 * config.gcc: Set the default arch at least to Prescott for
939 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
940 if SSE math is enabled.
942 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
944 * diagnostic.c (diagnostic_initialize): Update.
945 (diagnostic_report_diagnostic): Test inhibit_notes_p for
947 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
948 (diagnostic_inhibit_notes): New.
949 * toplev.c (process_options): inhibit notes with -fcompare-debug.
951 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
954 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
955 * doc/standards.texi: Likewise.
956 * doc/extend.texi: Likewise.
957 * doc/trouble.texi: Likewise.
958 * doc/cppopts.texi: Likewise.
959 * doc/install.texi: Likewise.
960 * c.opt (std=c90,std=gnu90): New options.
961 * c-opts.c (c_common_handle_option): Handle them.
963 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
966 * c-decl.c (undeclared_variable): Use an informative note.
968 2010-02-26 Richard Guenther <rguenther@suse.de>
970 PR tree-optimization/43186
971 * gimple.h (gimple_fold): Remove.
972 * gimple.c (gimple_fold): Remove. Inline into single user ...
973 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
974 Try harder for conditions.
976 2010-02-26 Jakub Jelinek <jakub@redhat.com>
979 * function.c (used_types_insert): Don't skip through named pointer
980 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
981 and it is different from the main variant's type.
983 2010-02-26 Nick Clifton <nickc@redhat.com>
985 * config/rx/rx.md (sminsi3): Remove bogus alternative.
987 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
989 * config.gcc: Support --with-fpmath=sse for x86.
991 * config/i386/ssemath.h: New.
993 * doc/install.texi (--with-fpmath=sse): Documented.
995 2010-02-26 Richard Guenther <rguenther@suse.de>
997 PR tree-optimization/43188
998 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
999 vector types of over-aligned element type.
1001 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
1004 * config/i386/i386.c (expand_vec_perm_blend): Use correct
1005 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1007 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1009 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1011 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1013 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1014 * var-tracking.c: Include diagnostic.h.
1015 (debug_dv): New function.
1016 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1019 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1020 (add_value_chain, add_value_chains, remove_value_chain,
1021 remove_value_chains): Handle DEBUG_EXPRs.
1022 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1025 * regcprop.c (struct queued_debug_insn_change): New type.
1026 (struct value_data_entry): Add debug_insn_changes field.
1027 (struct value_data): Add n_debug_insn_changes field.
1028 (debug_insn_changes_pool): New variable.
1029 (free_debug_insn_changes, apply_debug_insn_changes,
1030 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1031 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1032 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1034 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1036 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1037 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1038 changes, call cprop_find_used_regs via note_stores.
1039 (copyprop_hardreg_forward): When copying vd from predecessor
1040 which has any queued DEBUG_INSN changes, make sure the pointers are
1041 cleared. At the end call df_analyze and then if there are any
1042 DEBUG_INSN changes queued at the end of some basic block for still
1043 live registers, apply them.
1044 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1046 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1048 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1051 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1053 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1054 targets. Set the default with_cpu/with_arch from arch/cpu.
1055 Allow x86-64 and native for with_cpu/with_arch.
1057 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1059 * ebitmap.c: Change calls to verify_popcount with calls to
1060 sbitmap_verify_popcount.
1061 (ebitmap_clear_bit): Fixed map->cacheindex test and
1062 map>cache update when bit clearing results in an empty
1065 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1068 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1069 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1070 and support both V2DF and V2DI modes.
1071 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1072 support both V2DF and V2DI modes.
1073 (general): Delete trailing whitespace from a few patterns.
1075 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1076 V2DF/V2DI interleave high/low builtins.
1078 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1081 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1082 interleave high/low functions.
1084 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1086 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1087 #pragma extern_prefix.
1089 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1092 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1093 BLKmode, assert op0 is a MEM and just adjust its mode.
1096 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1097 if bitpos isn't multiple of mode's bitsize.
1099 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1101 * c.opt (-ftemplate-depth=): New.
1102 (-ftemplate-depth-): Deprecate.
1103 * optc-gen.awk: Handle -ftemplate-depth=.
1104 * opth-gen.awk: Likewise.
1105 * c-opts.c (c_common_handle_option): Likewise.
1106 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1108 2010-02-24 Jason Merrill <jason@redhat.com>
1110 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1112 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1114 * cfg.c (alloc_aux_for_block): Remove inline.
1115 (alloc_aux_for_edge): Likewise.
1117 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1119 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1121 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1123 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1124 * config/i386/sol2-gas.h: New file.
1125 * config.gcc (i[34567]86-*-solaris2*): Use it.
1127 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1130 * c-typeck.c (ep_convert_and_check): New.
1131 (build_conditional_expr): Use it.
1132 (build_binary_op): Likewise.
1134 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1136 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1139 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1140 bounds even for -O+.
1141 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1142 expr needs to have DECL_NAME set.
1144 2010-02-24 Nick Clifton <nickc@redhat.com>
1146 * config/mep/mep.c: Include gimple.h.
1147 (mep_function_uses_sp): Delete unused function.
1148 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1149 parameters. Use unsigned integers to count args. Return a
1150 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1152 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1155 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1156 greater or equal to nelt instead of 2 * nelt.
1157 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1160 2010-02-23 Jason Merrill <jason@redhat.com>
1163 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1164 in cfun->local_decls even if they have register types.
1167 * stor-layout.c (place_field): Don't warn about unnecessary
1168 DECL_PACKED if the type is packed.
1170 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1173 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1174 GOTOFF relocs, even when the base reg isn't pic pointer.
1176 2010-02-23 Michael Matz <matz@suse.de>
1179 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1180 (expand_gimple_basic_block): Generate and use debug temps if there
1181 are debug uses left after the last real use of TERed ssa names.
1182 Unlink debug immediate uses when they are expanded.
1184 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1187 * config/i386/i386.c (override_options): Reorganise to provide
1188 better error messages.
1190 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1193 * graphite-scop-detection.c (create_single_exit_edge): Move
1194 the call to find_single_exit_edge to....
1195 (create_sese_edges): ...here. Don't handle multiple edges
1196 exiting the function.
1197 (build_graphite_scops): Don't handle multiple edges
1198 exiting the function.
1200 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1203 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1204 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1206 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1209 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1211 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1214 * c-typeck.c (convert_arguments): Print declaration location.
1215 * c-common.c (validate_nargs): Rename as
1216 builtin_function_validate_nargs.
1217 (check_builtin_function_arguments): Update.
1219 2010-02-22 Richard Guenther <rguenther@suse.de>
1222 * tree-inline.c (declare_return_variable): Use the type of
1223 the call stmt lhs if available.
1225 2010-02-22 Duncan Sands <baldrick@free.fr>
1227 * passes.c (register_pass): Always consider all pass lists when
1228 ref_pass_instance_number is zero.
1230 2010-02-22 Richard Guenther <rguenther@suse.de>
1232 PR tree-optimization/42749
1233 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1234 parameter. Do arithmetic in the original type.
1235 (update_accumulator_with_ops): Likewise.
1236 (adjust_accumulator_values): Adjust.
1238 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1240 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1241 (QI to BLKmode splitter): New splitter.
1243 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1245 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1246 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1248 2010-02-22 Richard Guenther <rguenther@suse.de>
1250 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1252 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1254 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1255 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1256 ($(T)crti.o, $(T)crtn.o): Remove rules.
1258 2010-02-21 Tobias Burnus <burnus@net-b.de>
1261 * doc/invoke.texi (-fassociative-math): Document that this
1262 option is automatically enabled for Fortran.
1264 2010-02-20 David S. Miller <davem@davemloft.net>
1266 * configure.ac: Test if linker and assembler properly support
1267 GOTDATA_OP relocations.
1268 * configure: Rebuild.
1269 * config.in: Likewise.
1270 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1271 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1272 (movsi_high_pic): Likewise.
1273 (movdi_lo_sum_pic): Likewise.
1274 (movdi_high_pic): Likewise.
1275 (movsi_pic_gotdata_op): New pattern.
1276 (movdi_pic_gotdata_op): Likewise.
1277 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1278 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1280 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1283 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1284 attribute to ssemul.
1285 (xop_mulv2div2di3_high): Ditto.
1287 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1290 * c.opt (Wconversion-null): New option.
1291 * doc/invoke.texi (Wconversion-null): Document.
1293 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1295 * common.opt (Wlarger-than-): Add Undocumented.
1297 2010-02-19 Mike Stump <mikestump@comcast.net>
1299 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1301 2010-02-19 Jason Merrill <jason@redhat.com>
1304 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1305 * configure: Likewise.
1307 2010-02-20 Alan Modra <amodra@gmail.com>
1310 * cgraph.h (cgraph_make_decl_local): Declare.
1311 * cgraph.c (cgraph_make_decl_local): New function.
1312 (cgraph_make_node_local): Use it.
1313 * cgraphunit.c (cgraph_function_versioning): Likewise.
1314 * ipa.c (function_and_variable_visibility): Likewise.
1316 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1319 * except.c (sjlj_emit_function_enter): Don't call
1320 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1322 * rtl.h (add_reg_br_prob_note): Remove prototype.
1324 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1327 * c-common.c (conversion_warning): Remove widening conversions
1328 before checking the conversion of integers to reals.
1330 2010-02-19 Mike Stump <mikestump@comcast.net>
1333 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1336 * cgraphunit.c (process_function_and_variable_attributes): Check
1337 DECL_PRESERVE_P instead of looking up attribute "used".
1338 * ipa-pure-const.c (check_decl): Likewise.
1339 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1340 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1341 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1342 instead of attribute "used".
1343 * config/sol2-c.c (solaris_pragma_init): Likewise.
1344 (solaris_pragma_fini): Likewise.
1346 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1348 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1349 Use XCNEW instead of xcalloc.
1350 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1351 XNEW instead of xmalloc.
1352 (get_fields): Use XNEWVEC instead of xmalloc.
1355 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1356 populate vars array.
1357 (create_new_general_access): For debug stmts just reset value.
1358 (get_stmt_accesses): For accesses within debug stmts just record them
1359 using add_access_to_acc_sites instead of preventing the peeling or
1360 counting them as accesses.
1363 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1365 2010-02-19 Richard Guenther <rguenther@suse.de>
1367 PR tree-optimization/42916
1368 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1371 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1373 * configure.ac: Replace all uses of changequote in macro arguments
1374 with proper quoting.
1376 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1379 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1381 2010-02-19 Richard Guenther <rguenther@suse.de>
1383 PR tree-optimization/42944
1384 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1385 test for aliasing with errno.
1387 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1390 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1391 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1392 * dojump.c: Include output.h.
1393 (inv): New inline function.
1394 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1395 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1396 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1397 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1398 argument, pass it down to other calls.
1399 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1400 add REG_BR_PROB note to the conditional jump.
1401 * cfgexpand.c (add_reg_br_prob_note): Removed.
1402 (expand_gimple_cond): Don't call it, add the probability
1403 as last argument to jumpif_1/jumpifnot_1.
1404 * Makefile.in (dojump.o): Depend on output.h.
1405 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1407 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1408 * stmt.c (do_jump_if_equal): Likewise.
1409 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1410 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1411 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1413 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1414 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1415 jumpifnot_1 callers.
1416 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1418 (store_expr): Adjust jumpifnot caller.
1419 (store_constructor): Adjust jumpif caller.
1422 * gimplify.c (gimple_boolify): For __builtin_expect call
1423 gimple_boolify also on its first argument.
1425 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1427 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1429 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1430 * configure: Regenerated.
1432 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1434 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1435 lang_hooks.types_compatible_p instead of comptypes.
1437 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1439 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1440 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1441 if __prefer_thumb__ is defined.
1443 2010-02-18 Martin Jambor <mjambor@suse.cz>
1445 PR tree-optimization/43066
1446 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1447 array with zero-sized element type.
1449 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1451 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1452 rtx, allocate struct var_loc_node here and return it to the
1453 caller, and only if it is actually needed.
1454 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1455 move it earlier and return immediately if it returns NULL.
1457 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1459 * config/sparc/gas.h: New file. Restore
1460 TARGET_ASM_NAMED_SECTION to its ELF default.
1461 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1463 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1464 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1465 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1466 after sparc/sysv4.h.
1468 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1470 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1472 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1474 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1475 patterns from predicated pattern.
1477 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1480 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1481 for insn mnemonic suffix.
1483 2010-02-17 Richard Guenther <rguenther@suse.de>
1485 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1488 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1491 * caller-save.c (save_call_clobbered_regs): If BB ends with
1492 a DEBUG_INSN, move any notes in between last real insn and the last
1493 DEBUG_INSN after the last DEBUG_INSN.
1495 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1497 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1498 Fix return type. Fix argument type. Explain meaning of return value.
1500 2010-02-16 Richard Guenther <rguenther@suse.de>
1502 PR tree-optimization/41043
1503 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1504 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1506 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1508 2010-02-16 Ira Rosen <irar@il.ibm.com>
1510 PR tree-optimization/43074
1511 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1512 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1513 vectorizable cycles in hybrid SLP check.
1514 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1516 2010-02-16 Richard Guenther <rguenther@suse.de>
1518 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1519 (true_dependence): If memrefs_conflict_p computes must-alias
1520 trust it. Move TBAA check after offset-based disambiguation.
1521 (canon_true_dependence): Likewise.
1523 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1525 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1526 * doc/invoke.texi: Document it.
1527 * var-tracking.c: Include toplev.h and params.h.
1528 (vt_find_locations): Return bool indicating success. Compute
1529 hash sizes unconditionally. Check new parameter, report.
1530 (variable_tracking_main_1): Check vt_find_locations results and
1531 retry. Renamed from...
1532 (variable_tracking_main): ... this. New wrapper to preserve
1533 flag_var_tracking_assignments.
1534 * Makefile.in (var-tracking.o): Adjust dependencies.
1536 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1537 Jakub Jelinek <jakub@redhat.com>
1540 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1541 if weak_import attribute is present.
1542 * config/darwin.c (machopic_select_section): Likewise.
1544 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1546 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1547 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1548 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1549 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1551 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
1554 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1557 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1558 Rewrite text to refer to the names.
1560 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1562 * config/i386/i386-builtin-types.def
1563 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1564 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1565 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1566 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1567 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1568 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1569 IX86_BUILTIN_VPERMIL2PS256.
1570 (MULTI_ARG_4_DF2_DI_I): Defined.
1571 (MULTI_ARG_4_DF2_DI_I1): Defined.
1572 (MULTI_ARG_4_SF2_SI_I): Defined.
1573 (MULTI_ARG_4_SF2_SI_I1): Defined.
1574 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1575 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1576 __builtin_ia32_vpermil2ps256.
1577 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1578 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1579 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1580 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1581 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1582 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1583 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1584 CODE_FOR_xop_vpermil2v8sf3.
1585 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1586 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1587 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1588 (_mm256_permute2_pd): New.
1589 (_mm_permute2_ps): New.
1590 (_mm256_permute2_ps): New.
1592 2010-02-15 Nick Clifton <nickc@redhat.com>
1594 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
1595 boolean parameters. Use emit_jump_insn when emitting a pop
1596 instruction containing a return insn.
1597 (push): Use 'true' rather than '1' as second parameter to F.
1598 (h8300_expand_prologue): Likewise.
1599 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1600 (h8300_expand_epilogue): Likewise.
1602 2010-02-15 Richard Guenther <rguenther@suse.de>
1605 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1608 2010-02-15 Nick Clifton <nickc@redhat.com>
1610 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1613 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1615 * intl.c (fake_ngettext): New function.
1616 * intl.h (fake_ngettext): Declare.
1617 (ngettext): Define macro.
1618 * collect2.c (notice_translated): New function.
1619 (main): Use notice_translated and ngettext.
1620 * collect2.h (notice_translated): Declare.
1622 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1624 * reorg.c (delete_computation): Comment fixes.
1625 * caller-save.c (setup_save_areas): Idem.
1626 * sel-sched-dump.c (dump_lv_set): Idem.
1629 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1631 * config/s390/s390.c (s390_sched_init): New function.
1632 (TARGET_SCHED_INIT): Target hook defined.
1634 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1635 Jack Howarth <howarth@bromo.med.uc.edu>
1636 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1639 Partial revert of unintended change in fix for PR41605.
1640 * config/darwin.h: Fix typo.
1641 * config/darwin9.h: Same.
1643 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1645 * c-pch.c (pch_init): Clear v.
1647 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1650 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1651 graphite_can_represent_init for MULT_EXPR.
1653 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1657 * graphite-sese-to-poly.c (remove_phi): New.
1658 (translate_scalar_reduction_to_array): Call remove_phi.
1660 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1663 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1664 * graphite-clast-to-gimple.h (gloog): Update declaration.
1665 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1666 * graphite-poly.h (struct poly_bb): Add missing comments.
1667 (struct scop): Add poly_scop_p field.
1669 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1670 * graphite.c (graphite_transform_loops): Build the polyhedral
1671 representation for each scop before code generation.
1672 * sese.c (rename_variables_in_operand): Removed.
1673 (rename_variables_in_expr): Return the renamed expression.
1674 (rename_sese_parameters): New.
1675 * sese.h (rename_sese_parameters): Declared.
1677 2010-02-11 Richard Guenther <rguenther@suse.de>
1679 PR tree-optimization/42998
1680 * tree-ssa-pre.c (create_expression_by_pieces): Treat
1681 POINTER_PLUS_EXPR properly.
1683 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1684 Changpeng Fang <changpeng.fang@amd.com>
1687 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
1688 the cost of an IV candidate when the IV is used in a test against zero.
1690 * gcc.dg/tree-ssa/ivopts-3.c: New.
1692 2010-02-11 Richard Guenther <rguenther@suse.de>
1695 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
1696 pointer-vs-decl case by swapping refs. Handle some cases
1697 of pointer-vs-decl disambiguations more conservatively.
1698 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
1699 to false after expanding.
1701 2010-02-11 Richard Guenther <rguenther@suse.de>
1704 * gcc.c (process_command): Handle LTO file@offset case more
1707 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1709 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1710 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1712 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1714 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1715 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1716 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1717 Optimize eq/ne comparisons when both arguments are known to be
1719 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1720 Don't mask operands unnecessarily if they are known to be already
1723 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1725 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1728 2010-02-10 Richard Guenther <rguenther@suse.de>
1730 PR tree-optimization/43017
1731 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1732 for wrapping signed arithmetic.
1734 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1737 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1738 if no debug info should be emitted for it.
1740 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1742 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1743 note when flag_exceptions is set.
1745 2010-02-10 Duncan Sands <baldrick@free.fr>
1747 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1749 2010-02-10 Richard Guenther <rguenther@suse.de>
1752 * tree.c (get_unwidened): Handle constants.
1753 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1755 2010-02-10 Martin Jambor <mjambor@suse.cz>
1758 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1759 check for variable argument counts independently.
1761 2010-02-10 Christian Bruel <christian.bruel@st.com>
1764 * config/sh/sh.c (find_barrier): Increase length for non delayed
1765 conditional branches.
1767 2010-02-10 Christian Bruel <christian.bruel@st.com>
1769 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1771 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1773 * builtins.c (set_builtin_user_assembler_name): Also handle
1774 ffs if int is smaller than word.
1776 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1779 * ira-conflicts.c (get_dup): Remove.
1780 (process_reg_shuffles): Add new parameter. Use it as an
1781 additional guard for copy generation.
1782 (add_insn_allocno_copies): Rewrite.
1784 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1786 * common.opt (fsched2-use-traces): Preserved for backward
1788 * doc/invoke.texi: Remove the documentation about option
1789 -fsched2-use-traces.
1790 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1791 flag_sched2_use_traces.
1792 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1793 the backward compatibility flag section.
1795 2010-02-09 Richard Guenther <rguenther@suse.de>
1797 PR tree-optimization/43008
1798 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1799 make HEAP variables initialized from global memory if they
1800 are not known builtin functions.
1801 (find_func_aliases): Adjust.
1803 2010-02-09 Richard Guenther <rguenther@suse.de>
1805 PR tree-optimization/43000
1806 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1807 arithmetic manually.
1809 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1811 PR tree-optimization/42931
1812 * tree-loop-linear.c (try_interchange_loops): Don't call
1813 double_int_mul if estimated_loop_iterations failed.
1815 2010-02-08 Martin Jambor <mjambor@suse.cz>
1818 * tree-sra.c (build_accesses_from_assign): Do not mark in
1819 should_scalarize_away_bitmap if stmt has volatile ops.
1820 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1823 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1825 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1827 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1829 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1832 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1835 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1837 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1840 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1841 to unknown_dependence.
1842 (graphite_legal_transform_dr): Handle the unknown_dependence.
1843 (graphite_carried_dependence_level_k): Same.
1845 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1847 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1849 2010-02-07 Richard Guenther <rguenther@suse.de>
1852 * expr.c (get_inner_reference): Always initialize *pbitsize.
1854 2010-02-07 Richard Guenther <rguenther@suse.de>
1857 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1858 new ARRAY_REFs on variable size element or minimal index arrays.
1860 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1861 gimple_fold_indirect_ref.
1863 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1866 * arm.c (arm_override_options): Just return if the user has specified
1867 an invalid fpu name.
1869 2010-02-03 Jason Merrill <jason@redhat.com>
1872 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1873 i386_pe_maybe_record_exported_symbol.
1875 2010-02-05 Steve Ellcey <sje@cup.hp.com>
1878 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1879 (pa_delegitimize_address): New function.
1881 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
1883 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
1884 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
1886 2010-02-05 Richard Guenther <rguenther@suse.de>
1889 * lto-streamer-in.c (get_resolution): Deal with references
1890 to undefined functions.
1892 2010-02-05 Richard Guenther <rguenther@suse.de>
1894 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
1895 (fold_const_aggregate_ref): Likewise.
1896 (ccp_fold_stmt): Substitute loads.
1897 (maybe_fold_reference): Verify types before substituting.
1899 (fold_gimple_assign): Unshare properly.
1900 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
1902 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
1904 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
1905 for rs6000_gen_cell_microcode.
1907 2010-02-04 Richard Guenther <rguenther@suse.de>
1909 PR rtl-optimization/42952
1910 * dse.c (const_or_frame_p): Remove MEM handling.
1912 2010-02-04 Nick Clifton <nickc@redhat.com>
1914 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
1915 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
1916 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
1917 (mn10300_asm_output_mi_thunk): New function.
1918 (mn10300_can_output_mu_thunk): New function.
1919 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
1920 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
1921 (FUNCTION_ARG): Delete incorrect comment.
1923 2010-02-03 Jason Merrill <jason@redhat.com>
1926 * fold-const.c (operand_equal_p): Handle erroneous types.
1928 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1930 * config/h8300/h8300.md (can_delay): Fix attibute condition.
1932 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
1934 PR rtl-optimization/42941
1935 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
1938 2010-02-03 Jason Merrill <jason@redhat.com>
1941 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
1943 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
1946 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
1947 (cselib_reset_table): Renamed from...
1948 (cselib_reset_table_with_next_value): ... this.
1949 (cselib_get_next_uid): Renamed from...
1950 (cselib_get_next_unknown_value): ... this.
1951 * cselib.c (next_uid): Renamed from...
1952 (next_unknown_value): ... this.
1953 (cselib_clear_table): Adjust.
1954 (cselib_reset_table): Adjust. Renamed from...
1955 (cselib_reset_table_with_next_value): ... this.
1956 (cselib_get_next_uid): Adjust. Renamed from...
1957 (cselib_get_next_unknown_value): ... this.
1958 (get_value_hash): Use hash.
1959 (cselib_hash_rtx): Likewise.
1960 (new_cselib_val): Adjust. Set and dump uid.
1961 (cselib_lookup_mem): Pass next_uid as hash.
1962 (cselib_subst_to_values): Likewise.
1963 (cselib_log_lookup): Dump uid.
1964 (cselib_lookup): Pass next_uid as hash. Adjust.
1965 (cselib_process_insn): Adjust.
1966 (cselib_init): Initialize next_uid.
1967 (cselib_finish): Adjust.
1968 (dump_cselib_table): Likewise.
1969 * dse.c (canon_address): Dump value uid.
1970 * print-rtl.c (print_rtx): Print value uid.
1971 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
1973 (dv_uid): New function, sort of renamed from...
1974 (dv_htab_hash): ... this, reimplemented in terms of it and...
1975 (dv_uid2hash): ... this. New.
1976 (variable_htab_eq): Drop excess assertions.
1977 (tie_break_pointers): Removed.
1978 (canon_value_cmp): Compare uids.
1979 (variable_post_merge_New_vals): Print uids.
1980 (vt_add_function_parameters): Adjust.
1981 (vt_initialize): Reset table. Adjust.
1983 2010-02-03 Richard Guenther <rguenther@suse.de>
1985 PR tree-optimization/42944
1986 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
1987 (call_may_clobber_ref_p_1): Likewise. Properly handle
1988 malloc and calloc clobbering errno.
1990 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
1992 * doc/invoke.texi: Fix name of sched1 dump.
1994 * opts.c (decode_options): Set flag_tree_switch_conversion
1995 only conditionally on optimize >= 2.
1997 * gcse.c: Assorted comment fixes in pass description.
1999 2010-02-03 Anthony Green <green@moxielogic.com>
2001 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
2002 nop padding in order to maintain alignment of storage location of
2003 target function address.
2004 (moxie_trampoline_init): Store target function address at newly
2006 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2008 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2010 2010-02-03 Richard Guenther <rguenther@suse.de>
2013 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2015 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2017 * config.gcc: Reenable check for obsolete targets.
2018 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2019 mips-sgi-irix6.[0-4]*.
2021 2010-02-02 Nick Clifton <nickc@redhat.com>
2023 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2024 constant size of 4 as being the same as 0.
2025 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2026 can take values in the range 0..4.
2028 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2031 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2032 as _darwin10_Unwind_FindEnclosingFunction().
2033 * libgcc-libsystem.ver: New.
2035 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2038 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2039 implicitly set registers.
2041 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2043 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2044 (arm_override_options): Allow automatic selection of the thread
2045 pointer register if thumb2.
2046 (legitimize_pic_address): Improve code sequences for Thumb2.
2047 (arm_call_tls_get_addr): Likewise.
2048 (legitimize_tls_address): Likewise.
2049 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2050 (pic_load_addr_32bit): ... this. New named pattern.
2051 * thumb2.md (pic_load_addr_thumb2): Delete.
2052 (pic_load_dot_plus_four): Delete.
2053 (tls_load_dot_plus_four): New named pattern.
2055 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2058 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2059 Document fix for TLS bug.
2061 2010-01-31 Richard Guenther <rguenther@suse.de>
2063 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2064 conservatively correct.
2066 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2070 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2072 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2074 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2076 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2078 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2080 * config.gcc: Adjust order of makefile fragments for mingw targets.
2082 2010-01-31 Richard Guenther <rguenther@suse.de>
2085 * gimplify.c (gimplify_init_constructor): For volatile LHS
2086 initialize a temporary.
2088 2010-01-31 Matthias Klose <doko@ubuntu.com>
2090 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2092 * configure: Regenerate.
2094 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2096 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2097 the same alias set and their sizes different constantness.
2098 (aliasing_component_refs_p): Revert 2009-10-24 change.
2100 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2102 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2105 2010-01-29 Richard Guenther <rguenther@suse.de>
2107 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2108 Assert we successfully updated the call.
2110 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2112 PR rtl-optimization/42889
2113 * df.h (df_set_bb_dirty_nonlr): New prototype.
2114 * df-core.c (df_set_bb_dirty_nonlr): New function.
2115 * df-scan.c (df_insn_rescan): Call it instead of
2116 df_set_bb_dirty for DEBUG_INSNs.
2118 2010-01-29 Richard Guenther <rguenther@suse.de>
2121 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2122 quadratic behavior in most cases.
2124 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2127 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2128 in the call to gen_x86_movsicc_0_m1.
2130 2010-01-28 Richard Guenther <rguenther@suse.de>
2132 PR tree-optimization/42871
2133 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2135 2010-01-28 Richard Guenther <rguenther@suse.de>
2137 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2138 into call arguments.
2140 2010-01-28 Richard Guenther <rguenther@suse.de>
2143 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2144 the forwarder if the destination is an EH landing pad.
2146 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2148 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2149 block list passed to gimple_duplicate_sese_tail.
2150 (parallelize_loops): Avoid parallelization when the function
2152 Avoid parallelization when the preheader is IRREDUCIBLE.
2153 Try to optimize when estimated_loop_iterations_int is unresolved.
2154 Add the loop's location to the dump file.
2155 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2156 (gimple_duplicate_sese_tail): Remove the check for the latch.
2157 Redirect nexits to the exit block.
2158 Remove handling of the incoming edges to the latch.
2159 Redirect the backedge from the copied latch to the exit bb.
2161 2010-01-28 Michael Matz <matz@suse.de>
2164 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2165 Wrap force_reg into a sequence, emit it before user.
2167 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2169 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2171 (arm_legacy_rev): Likewise.
2172 (thumb_legacy_rev): Likewise.
2174 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2176 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2177 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2178 on MEM's address failed, try avoid_constant_pool_reference and
2179 recurse if it returned something different.
2180 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2181 address, try avoid_constant_pool_reference and recurse if it
2182 returned something different.
2183 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2184 address and avoid_constant_pool_reference returned something
2185 different, don't set have_address.
2187 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2190 * var-tracking.c (val_store): Add modified argument, obey it.
2192 (count_uses): Move down logging of main.
2193 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2194 don't need resolution.
2195 (emit_notes_in_bb): Likewise.
2197 2010-01-27 Richard Guenther <rguenther@suse.de>
2200 * tree-inline.c (remap_decl): Delay remapping of SSA name
2201 default definitions until we need them.
2203 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2205 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2206 (rs6000_delegitimize_address): New function.
2208 * config/s390/s390.c (s390_delegitimize_address): Call
2209 delegitimize_mem_from_attrs.
2212 * tree-inline.c (cannot_copy_type_1): Removed.
2213 (copy_forbidden): Don't forbid copying of functions containing
2214 records/unions with variable length fields.
2216 2010-01-27 Christian Bruel <christian.bruel@st.com>
2220 * config/sh/sh.c (find_barrier): Increase length for non delayed
2221 conditional branches.
2223 2010-01-27 Matthias Klose <doko@ubuntu.com>
2225 * configure.ac (gnu-unique-object): Fix ldd version check.
2226 * configure: Regenerate.
2228 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2230 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2232 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2233 Test for HAVE_GNU_AS value.
2235 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2237 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2238 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2239 INT64_TYPE): Define.
2240 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2241 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2242 INT_LEAST64_TYPE): Define.
2243 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2244 UINT_LEAST64_TYPE): Define.
2245 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2246 INT_FAST64_TYPE): Define.
2247 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2248 UINT_FAST64_TYPE): Define.
2249 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2250 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2251 (SIG_ATOMIC_TYPE): Define.
2253 2010-01-26 Richard Guenther <rguenther@suse.de>
2255 * df-scan.c (df_scan_set_bb_info): Remove assert.
2256 (df_insn_rescan_debug_internal): Merge asserts.
2257 (df_install_ref): Likewise.
2258 (df_mark_reg): Use bitmap_set_range.
2259 (df_hard_reg_used_p): Remove assert.
2260 (df_hard_reg_used_count): Likewise.
2262 2010-01-26 Richard Guenther <rguenther@suse.de>
2264 PR rtl-optimization/42685
2265 * web.c (web_main): Ignore DEBUG_INSNs.
2267 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2269 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2271 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2272 Fix types of fndecl and arglist parameters.
2274 2010-01-26 Richard Guenther <rguenther@suse.de>
2277 * tree-eh.c (unsplit_eh): Skip debug insns.
2279 2010-01-26 Richard Guenther <rguenther@suse.de>
2281 PR tree-optimization/42250
2282 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2284 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2287 * omp-low.c (expand_omp_sections): Only use single_pred if
2288 l2_bb is single_pred_p.
2290 2010-01-25 Christian Bruel <christian.bruel@st.com>
2293 * config/sh/sh.c (find_barrier): Increase length for non delayed
2294 conditional branches.
2295 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2297 2010-01-24 David S. Miller <davem@davemloft.net>
2299 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2300 define if not using GAS.
2301 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2302 Likewise. Delete SECTION_MERGE code, which is only applicable
2305 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2308 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2309 mangling of va_list in system headers.
2311 2010-01-23 Toon Moene <toon@moene.org>
2313 * tree-predcom.c (combine_chains): Return NULL, not false.
2315 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2317 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2318 initialization of variable res to agree with return type.
2320 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2322 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2323 * tree-sra.c: Add include of expr.h.
2325 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2327 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2328 insert the debug stmt on the single non-EH edge from the stmt.
2330 2010-01-22 Richard Henderson <rth@redhat.com>
2333 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2334 the RHS until after generate_subtree_copies has insertted its
2335 code before the current statement.
2337 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2339 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2341 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2343 2010-01-21 Martin Jambor <mjambor@suse.cz>
2345 PR tree-optimization/42585
2346 * tree-sra.c (struct access): New field grp_total_scalarization.
2347 (dump_access): Dump the new field.
2348 (should_scalarize_away_bitmap): New variable.
2349 (cannot_scalarize_away_bitmap): Likewise.
2350 (sra_initialize): Allocate new bitmaps.
2351 (sra_deinitialize): Free new bitmaps.
2352 (create_access_1): New function.
2353 (create_access): Parts moved to create_access_1.
2354 (type_consists_of_records_p): New function.
2355 (completely_scalarize_record): Likewise.
2356 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2357 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2358 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2360 (analyze_all_variable_accesses): Completely scalarize small eligible
2363 2010-01-21 Martin Jambor <mjambor@suse.cz>
2365 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2367 2010-01-21 Andrew Haley <aph@redhat.com>
2369 * gcc.c (process_command): Move lang_specific_driver before
2370 setting cc_libexec_prefix.
2372 2010-01-21 Richard Guenther <rguenther@suse.de>
2375 * fold-const.c (negate_expr_p): Pretend only negative
2376 real constants are easily negatable.
2378 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2379 Jason Merrill <jason@redhat.com>
2381 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2382 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2383 * calls.c (initialize argument_information): Handle it.
2384 * c-common.c (handle_transparent_union_attribute): Use new name.
2385 * c-decl.c (finish_struct): Ditto.
2386 * c-typeck.c (type_lists_compatible_p): Ditto.
2387 (convert_for_assignment): Use new name and also handle record.
2388 * function.c (aggregate_value_p): Handle it.
2389 (pass_by_reference): Ditto.
2390 (assign_parm_data_types): Ditto.
2391 * print-tree.c (print_node): Ditto.
2392 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2393 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2394 * tree.c (first_field): New fn.
2396 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2399 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2400 even when linking statically, for now.
2402 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2405 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2406 without a cselib val.
2407 (count_uses): Accept MO_VAL_SET with no val on stores.
2408 (add_stores): Likewise.
2410 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2412 * var-tracking.c (check_value_val): Add a compile time assertion.
2413 (dv_is_decl_p): Simplify.
2414 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2415 gcc_assert if ENABLE_CHECKING.
2417 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2420 * var-tracking.c: Include tree-flow.h.
2421 (mem_dies_at_call): New.
2422 (dataflow_set_preserve_mem_locs): Use it.
2423 (dataflow_set_remove_mem_locs): Likewise.
2424 (dump_var): Renamed from dump_variable. Adjust all callers.
2425 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2426 * Makefile.in (var-tracking.o): Adjust deps.
2428 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2430 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2432 2010-01-20 Richard Guenther <rguenther@suse.de>
2434 PR tree-optimization/42717
2435 * tree-ssa-dce.c (get_live_post_dom): Remove.
2436 (forward_edge_to_pdom): Take an arbitrary edge to copy
2437 degenerate PHI args from.
2438 (remove_dead_stmt): Use the first post-dominator even if it
2439 does not contain live statements as redirection destination.
2441 2010-01-20 Richard Guenther <rguenther@suse.de>
2443 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2445 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2447 * sel-sched.c (create_speculation_check): Remove set but not used
2449 (try_transformation_cache): Remove set but not used variable ds.
2450 (calculate_privileged_insns): Remove set but not used variables
2451 cur_insn and min_spec_insn.
2452 (find_best_expr): Remove set but not used variable avail_n.
2453 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2455 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2457 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2458 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2461 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2464 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2465 cpu types. Add support for *-sse3 cpu types.
2466 (x86_64-*-*): Ditto.
2468 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2471 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2472 argument, call initializer_constant_valid_p_1 instead of
2473 initializer_constant_valid_p, pass CACHE to it, return NULL
2474 immediately if first call returns NULL.
2475 (initializer_constant_valid_p_1): New function.
2476 (initializer_constant_valid_p): Use it.
2478 2010-01-20 Thomas Quinot <quinot@adacore.com>
2480 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2482 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2484 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2485 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2486 (loc_list_from_tree): Don't handle unsigned division. Handle
2487 signed modulo using DW_OP_{over,over,div,mul,minus}.
2488 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2489 modulo instead of signed.
2491 2010-01-20 DJ Delorie <dj@redhat.com>
2493 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2495 (h8300_emit_stack_adjustment): Propogate it.
2497 (h8300_expand_prologue): Likewise.
2498 (h8300_expand_epilogue): Likewise.
2500 2010-01-19 Michael Matz <matz@suse.de>
2502 PR tree-optimization/41783
2503 * tree-data-ref.c (toplevel): Include flags.h.
2504 (dump_data_dependence_relation): Also dump the inputs if the
2505 result will be unknown.
2506 (split_constant_offset_1): Look through some conversions.
2507 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2508 the offset from last element is too large.
2509 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2510 (reassociate_to_the_same_stmt): Handle vector registers.
2511 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2513 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2514 wide_prolog_niters argument, emit widening instructions.
2515 (vect_do_peeling_for_alignment): Adjust caller, use widened
2516 variant of the iteration cound.
2517 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2519 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2522 * config/arm/neon-testgen.m (emit_automatics): New parameter
2523 features. Adjust for Fixed_return_reg feature.
2524 (test_intrinsic): Call emit_automatics with new feature.
2525 * config/arm/neon.ml: Update copyright years.
2526 (features): New Fixed_return_reg feature.
2527 (ops): Update feature for Vget_low.
2529 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2531 PR tree-optimization/42719
2532 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2536 * fwprop.c (all_uses_available_at): Return false if def_set dest
2537 is a REG that is used in def_insn.
2539 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2541 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2543 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2546 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2548 * target.h (struct gcc_target) <secondary_reload>: Change type
2549 of last argument to secondary_reload_info *.
2551 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2554 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2555 memory references with unaligned offsets. Remove CQImode handling.
2556 (unaligned_memory_operand): Return 1 for memory references with
2557 unaligned offsets. Remove CQImode handling.
2559 2010-01-18 Richard Guenther <rguenther@suse.de>
2562 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2565 2010-01-18 Richard Guenther <rguenther@suse.de>
2567 PR tree-optimization/42781
2568 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2569 restrict processing only if the original variable was artificial.
2571 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2573 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2574 find number of popped argument bytes.
2576 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2577 Fix the text that describes the return value for invalid insns.
2579 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2581 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2582 Clarify what 'cost of the -dependence' is. Fix quoting.
2584 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2585 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2587 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2589 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2590 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2592 2010-01-17 Richard Guenther <rguenther@suse.de>
2595 * function.c (split_complex_args): Take a VEC to modify.
2596 (assign_parms_augmented_arg_list): Build a VEC instead of
2597 a chain of PARM_DECLs.
2598 (assign_parms_unsplit_complex): Take a VEC of arguments.
2599 Do not fixup unmodified parms.
2600 (assign_parms): Deal with the VEC.
2601 (gimplify_parameters): Likewise.
2603 2010-01-17 Richard Guenther <rguenther@suse.de>
2605 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2606 node existence check.
2607 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2608 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2609 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2610 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2611 (gimple_execute_on_growing_pred): Likewise.
2613 2010-01-17 Richard Guenther <rguenther@suse.de>
2615 PR tree-optimization/42773
2616 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2617 (compute_antic_aux): Likewise.
2618 (compute_partial_antic_aux): Likewise.
2620 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2623 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2626 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2628 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2631 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2632 Fix markup for strict argument.
2634 (TARGET_SCHED_REORDER2): Fix argument types.
2636 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2637 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2639 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2640 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2642 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2645 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2646 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2647 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2648 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2649 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2651 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2653 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2655 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2656 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
2658 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
2660 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
2663 (TARGET_ASM_NAMED_SECTION): Fix argument list.
2665 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
2666 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
2668 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
2670 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
2672 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
2673 referring to it. Fix language.
2675 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
2677 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
2679 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
2681 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
2683 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
2684 '@var{stream}. Remove stray 'and'.
2686 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
2688 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
2690 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
2692 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
2693 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
2695 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
2696 Fix description of return value.
2697 Rename argument "sz" to "len."
2699 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
2700 Clarify meaning of 'true' return value.
2702 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
2704 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2705 rep_mode versus mode_rep.
2707 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2709 (TARGET_BUILTIN_DECL): Fix name.
2711 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2713 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2715 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2717 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2719 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2721 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2724 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2725 Rename argument tm_fn to md_fn.
2727 (TARGET_OPTION_PRINT): Fix argument list.
2729 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2732 * config/i386/i386.c (ix86_fixup_binary_operands):
2733 Revert FMA4 fixup of operands.
2735 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2738 * Makefile.in (write_entries_to_file, install-plugin):
2739 Use \012 instead of \n with tr.
2741 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2743 * configure.ac (HAVE_AS_REF): New C macro.
2744 * configure: Regenerate.
2745 * config.in: Likewise.
2746 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2748 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2751 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2753 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2755 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2757 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2759 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2761 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2763 (TARGET_BINDS_LOCAL_P): Fix argument type.
2765 (TARGET_ASM_FILE_END): Use prototype.
2767 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2769 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2771 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2773 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2775 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2776 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2778 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2779 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2781 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2782 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2783 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2784 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2786 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2788 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2790 (TARGET_INIT_BUILTINS): Use prototype.
2792 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2793 Put 'const char *' in braces. Fix parameter types.
2794 (TARGET_INVALID_CONVERSION): Fix parameter types.
2795 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2796 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2798 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2801 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2803 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2805 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2807 * doc/tm.texi (TARGET_HELP): Fix return type.
2809 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2810 in braces. Fix argument types.
2812 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2814 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2816 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2818 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2819 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2821 (TARGET_MANGLE_TYPE): Fix argument types.
2823 (TARGET_IRA_COVER_CLASSES): Use prototype.
2825 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2827 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2829 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2831 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2833 (TARGET_CALLEE_COPIES): Fix argument types.
2835 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2837 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2839 (TARGET_FUNCTION_VALUE): Fix argument types.
2841 (TARGET_RETURN_IN_MSB): Fix argument type.
2843 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2845 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2847 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2849 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2850 agree with return type.
2852 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2854 2010-01-15 Jing Yu <jingyu@google.com>
2856 PR rtl-optimization/42691
2857 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2858 a pseudo to a constant and are merged, and adjust comments.
2860 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2862 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2864 2010-01-15 Richard Guenther <rguenther@suse.de>
2867 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2868 labels of computed or non-local gotos to the destination.
2869 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2870 landing pad label is the first label.
2872 2010-01-15 Richard Guenther <rguenther@suse.de>
2874 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2876 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2879 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
2880 to allow generation of the xssqrtdp instruction on power7.
2881 (sqrtdf2_fpr): Ditto.
2883 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2886 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
2887 functions with noreturn attribute.
2890 * varasm.c (declare_weak): Add weak attribute to decl if it
2891 doesn't have one already.
2892 (assemble_external): Only add decls to weak_decls if they also
2893 have weak attribute.
2895 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
2897 * var-tracking.c (var_reg_delete): Don't delete the association
2898 between REGs and values or one-part variables if the register
2901 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2904 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
2905 because its first operand is a non-localized variable.
2907 2010-01-14 Martin Jambor <mjambor@suse.cz>
2909 PR tree-optimization/42706
2910 * tree-sra.c (encountered_recursive_call): New variable.
2911 (encountered_unchangable_recursive_call): Likewise.
2912 (sra_initialize): Initialize both new variables.
2913 (callsite_has_enough_arguments_p): New function.
2914 (scan_function): Call decl and flags check only for IPA-SRA, check
2915 whether there is a recursive call and whether it has enough arguments.
2916 (all_callers_have_enough_arguments_p): New function.
2917 (convert_callers): Look for recursive calls only when
2918 encountered_recursive_call is set.
2919 (ipa_early_sra): Bail out either if
2920 !all_callers_have_enough_arguments_p or
2921 encountered_unchangable_recursive_call.
2923 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2925 * sel-sched.c: Add 2010 to copyright years.
2926 * sel-sched-ir.c: Likewise.
2927 * sel-sched-ir.h: Likewise.
2929 2010-01-14 Martin Jambor <mjambor@suse.cz>
2931 PR tree-optimization/42714
2932 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
2933 constructors specially.
2935 2010-01-14 Andi Kleen <ak@linux.intel.com>
2937 * config/i386/drivers-i386.c (detect_caches_intel):
2938 Add l2sizekb parameter and fill in.
2939 (host_detect_local_cpu): Add l2sizekb, fill in.
2940 Add Atom small cache heuristic.
2942 2010-01-14 Andi Kleen <ak@linux.intel.com>
2944 * config/i386/drivers-i386.c (detect_caches_cpuid4):
2945 Add level3 parameter and fill in.
2946 (detect_caches_intel): Handle level3 cache.
2948 2010-01-14 Andi Kleen <ak@linux.intel.com>
2950 * config/i386/drivers-i386.c (host_detect_local_cpu):
2951 Fix core duo detection.
2953 2010-01-14 Andi Kleen <ak@linux.intel.com>
2955 * config/i386/drivers-i386.c (host_detect_local_cpu):
2958 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2960 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
2961 (rs6000_variable_issue_1): this. Use...
2962 (rs6000_variable_issue): here. Reimplement. Print debug info.
2964 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2966 * sel-sched-ir.c (sel_restore_other_notes): Rename to
2967 sel_restore_notes. Update all callers. Call reemit_notes
2970 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2972 PR rtl-optimization/42246
2973 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
2976 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2978 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
2979 all successors is the same as number of successors in current region.
2981 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2983 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
2984 to rename is not separable. Otherwise check that its LHS is not NULL.
2986 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2988 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
2990 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2992 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
2993 available registers when failed to discover LHS register class.
2994 Fix indentation. Update comment.
2996 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2997 Alexander Monakov <amonakov@ispras.ru>
2999 PR rtl-optimization/42389
3000 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
3002 (advance_state_on_fence): Likewise.
3003 (sel_target_adjust_priority): Print debug output only when
3004 sched_verbose >= 4, not 2.
3005 (get_expr_cost): Do not issue all unique insns on the next cycle.
3006 (fill_insns): Initialize can_issue_more from the value saved
3008 * sel-sched-ir.c (flist_add): New parameter issue_more.
3009 Init FENCE_ISSUE_MORE with it.
3010 (merge_fences): Likewise.
3011 (init_fences): Update call to flist_add.
3012 (add_to_fences, add_clean_fence_to_fences)
3013 (add_dirty_fence_to_fences): Likewise.
3014 (move_fence_to_fences): Update call to merge_fences.
3015 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3017 * sel-sched-ir.h (struct _fence): New field issue_more.
3018 (FENCE_ISSUE_MORE): New accessor macro.
3020 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3022 PR rtl-optimization/42388
3023 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3024 that have no predecessors nor successors. Do not call move_bb_info
3025 for empty blocks outside of current region.
3027 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3029 PR rtl-optimization/42294
3030 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3031 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3032 originators' originators.
3034 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3036 PR rtl-optimization/39453
3037 PR rtl-optimization/42246
3038 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3040 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3042 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3043 Alexander Monakov <amonakov@ispras.ru>
3046 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3047 (maybe_tidy_empty_bb): ... here. Make static. Add new
3048 argument. Update all callers.
3049 (tidy_control_flow): ... and here. Recompute topological order
3050 of basic blocks in region if necessary.
3051 (sel_redirect_edge_and_branch): Change return type. Return true
3052 if topological order might have been invalidated.
3053 (purge_empty_blocks): Export and move from...
3054 * sel-sched.c (purge_empty_blocks): ... here.
3055 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3056 (maybe_tidy_empty_bb): Delete prototype.
3057 (purge_empty_blocks): Declare.
3059 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3061 PR rtl-optimization/42249
3062 * sel-sched.c (try_replace_dest_reg): When chosen register
3063 and original register is the same, do not bail out early, but
3064 still check all original insns for validity of replacing destination
3065 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3068 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3071 Port from no-undefined-overflow branch:
3072 2009-03-09 Richard Guenther <rguenther@suse.de>
3074 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3076 2010-01-14 Richard Guenther <rguenther@suse.de>
3079 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3081 2010-01-14 Ira Rosen <irar@il.ibm.com>
3083 PR tree-optimization/42709
3084 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3085 as scalar type in creation of constant vector operand.
3087 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3090 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3091 (check-parallel-%): Match `testsuite' directory component only
3094 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3096 PR translation/39521
3097 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3100 2010-01-13 Richard Guenther <rguenther@suse.de>
3102 PR tree-optimization/42730
3103 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3106 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3109 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3110 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3113 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3115 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3116 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3117 ___umulsi3_highpart.
3119 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3120 rather than schedule_insns if the pass is enabled.
3122 2010-01-13 Martin Jambor <mjambor@suse.cz>
3124 PR tree-optimization/42704
3125 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3128 2010-01-13 Martin Jambor <mjambor@suse.cz>
3130 PR tree-optimization/42703
3131 * tree-sra.c (analyze_access_subtree): Check that we can build a
3132 reference to the original data within the aggregate.
3134 2010-01-13 Richard Guenther <rguenther@suse.de>
3136 PR tree-optimization/42705
3137 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3139 2010-01-13 Richard Guenther <rguenther@suse.de>
3142 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3144 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3147 * var-tracking.c (values_to_unmark): New variable.
3148 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3149 values_to_unmark vector. Moved body to...
3150 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3151 instead queue it into values_to_unmark vector.
3152 (vt_find_locations): Free values_to_unmark vector.
3154 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3156 * config/s390/s390.c (override_options): Set
3157 default of max-pending-list-length to 256
3159 2010-01-13 Richard Guenther <rguenther@suse.de>
3162 * tree-pass.h (PROP_gimple_lcx): New.
3163 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3164 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3165 before the final cleanup_eh.
3166 (dump_properties): Dump PROP_gimple_lcx.
3167 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3168 (tree_lower_complex_O0): Remove.
3169 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3170 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3171 tree_lower_complex, schedule TODO_update_ssa.
3172 * lto-streamer-out.c (output_function): Stream the functions
3174 * lto-streamer-in.c (input_function): Likewise.
3175 (lto_read_body): Do not override them here.
3177 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3180 * c-typeck.c (build_c_cast): Fold value cast to union type before
3181 wrapping it in a CONSTRUCTOR.
3183 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3185 PR rtl-optimization/42699
3186 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3189 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3191 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3192 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3193 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3194 SUBTARGET_WARN_UNUSED_SPEC): ... here
3195 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3197 2010-01-12 Julian Brown <julian@codesourcery.com>
3199 * config/arm/neon-schedgen.ml (Utils): Don't try to
3200 open missing module.
3201 (find_with_result): New.
3203 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3206 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3207 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3209 PR tree-optimization/42645
3210 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3211 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3212 decl_map, set processing_debug_stmt to -1 and return name without
3215 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3217 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3218 binutils version, and reword target configuration description.
3220 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3222 * config/avr/avr.h (LINKER_NAME): Remove.
3224 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3227 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3228 that support VSX, warn for -mno-altivec if vsx is not disabled,
3231 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3232 Shujing Zhao <pearly.zhao@oracle.com>
3234 PR translation/42469
3235 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3236 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3237 character between option name and help text.
3238 * c.opt (imultilib): Likewise.
3240 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3242 * lto-streamer-out.c (output_unreferenced_globals): Output static
3245 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3247 PR rtl-optimization/42621
3248 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3249 optimizing for size.
3250 (duplicate_computed_gotos): Remove now-redundant check.
3252 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3255 * configure.ac: Save and restore LDFLAGS and LIBS
3256 * configure: Regenerate.
3258 2010-01-10 Richard Guenther <rguenther@suse.de>
3261 * builtins.c (fold_builtin_strlen): Add type argument and
3262 convert the resulting length to it.
3263 (fold_builtin_1): Adjust.
3265 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3267 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3268 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3270 (num_insns_constant_wide): Adjust for that change.
3272 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3275 * web.c (union_defs): Add used argument, to combine uses of
3277 (entry_register): Adjust type and tests of used argument.
3278 (web_main): Widen used for new use. Pass it to union_defs.
3279 * df.h (union_defs): Adjust prototype.
3281 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3284 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3285 uses in new incoming argument. Free body.
3286 (reset_debug_uses_in_loop): New.
3287 (analyze_insn_to_expand_var): Call the latter if the former found
3288 anything. Fix whitespace. Reject invalid dest overlaps before
3289 going through all insns in the loop.
3291 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3294 * haifa-sched.c (dying_use_p): Debug insns don't count.
3296 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3299 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3300 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3301 (verify_gimple_call): Reject LHS in noreturn calls.
3303 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3307 * tree-vect-loop-manip.c (adjust_info): New type.
3308 (adjust_vec): New pointer to vector.
3309 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3310 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3311 (slpeel_update_phis_for_duplicate_loop): Use them.
3312 (slpeel_update_phi_nodes_for_guard1): Likewise.
3313 (slpeel_update_phi_nodes_for_guard2): Likewise.
3314 (slpeel_tree_peel_loop_to_edge): Likewise.
3315 (vect_update_ivs_after_vectorizer): Likewise.
3317 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3319 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3320 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3322 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3324 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3325 bogus uninitialized warning.
3327 2010-01-09 Richard Guenther <rguenther@suse.de>
3330 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3331 the evolution is compatible with the initial condition.
3333 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3335 * gcc.c (process_command): Update copyright notice dates.
3336 * gcov.c (print_version): Likewise.
3337 * gcov-dump.c (print_version): Likewise.
3338 * mips-tfile.c (main): Likewise.
3339 * mips-tdump.c (main): Likewise.
3341 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3344 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3346 (rotlhi3_8): Delete.
3348 (rotlsi3_8): Delete.
3349 (rotlsi3_16): Delete.
3350 (rotlsi3_24): Delete.
3352 (*rotw<mode>3): New.
3353 (*rotb<mode>3): New.
3354 * config/avr/avr.c (avr_rotate_bytes): New function.
3355 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3357 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3360 * configure.ac: Modify -rdynamic check.
3361 * configure: Regenerate.
3363 2010-01-08 DJ Delorie <dj@redhat.com>
3365 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3366 register popping order.
3368 2010-01-08 Richard Guenther <rguenther@suse.de>
3371 * c.opt (fsigned-char): Also let LTO handle this option.
3372 (funsigned-char): Likewise.
3374 2010-01-07 Richard Guenther <rguenther@suse.de>
3376 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3377 (gimple_op): Likewise.
3378 (gimple_op_ptr): Likewise.
3379 (gimple_assign_set_lhs): Remove gcc_assert.
3380 (gimple_assign_set_rhs1): Likewise.
3381 (gimple_assign_set_rhs2): Likewise.
3382 (gimple_call_set_lhs): Likewise.
3383 (gimple_call_set_fn): Likewise.
3384 (gimple_call_set_fndecl): Likewise.
3385 (gimple_call_fndecl): Likewise.
3386 (gimple_call_return_type): Likewise.
3387 (gimple_call_set_chain): Likewise.
3388 (gimple_call_num_args): Likewise.
3389 (gimple_call_set_arg): Likewise.
3390 (gimple_cond_set_code): Likewise.
3391 (gimple_cond_set_lhs): Likewise.
3392 (gimple_cond_set_rhs): Likewise.
3393 (gimple_cond_set_true_label): Likewise.
3394 (gimple_cond_set_false_label): Likewise.
3395 (gimple_label_set_label): Likewise.
3396 (gimple_goto_set_dest): Likewise.
3397 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3398 (gimple_debug_bind_get_value): Likewise.
3399 (gimple_debug_bind_get_value_ptr): Likewise.
3400 (gimple_debug_bind_set_var): Likewise.
3401 (gimple_debug_bind_set_value): Likewise.
3402 (gimple_debug_bind_reset_value): Likewise.
3403 (gimple_debug_bind_has_value_p): Likewise.
3404 (gimple_return_retval_ptr): Remove gcc_assert.
3405 (gimple_return_retval): Likewise.
3406 (gimple_return_set_retval): Likewise.
3407 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3408 (safe_referenced_var_iterator): Remove.
3409 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3410 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3411 (fill_referenced_var_vec): Remove.
3412 (first_readonly_imm_use): Remove redundant gcc_assert.
3413 (phi_arg_index_from_use): Combine gcc_asserts.
3414 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3415 (first_imm_use_stmt): Remove redundant gcc_assert.
3416 * tree-cfg.c (verify_gimple_call): Verify function and chain
3417 operands. Verify arguments.
3418 (verify_types_in_gimple_stmt): Verify condition code and labels.
3420 2010-01-07 Richard Guenther <rguenther@suse.de>
3422 PR tree-optimization/42641
3423 * sese.c (rename_map_elt_info): Use the SSA name version, do
3426 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3428 PR tree-optimization/42625
3429 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3430 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3432 2010-01-07 Duncan Sands <baldrick@free.fr>
3434 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3436 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3439 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3440 note itself is not function_invariant_p.
3442 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3444 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3445 Do not add the DF_NOTE problem.
3446 * store-motion.c (execute_rtl_store_motion): Likewise.
3448 2010-01-07 Martin Jambor <mjambor@suse.cz>
3450 PR tree-optimization/42157
3451 * tree-sra.c (compare_access_positions): Stabilize sort if both
3452 accesses have integer types, return zero immediately if they are the
3455 2010-01-06 Richard Henderson <rth@redhat.com>
3458 * haifa-sched.c (add_to_note_list): Merge into ...
3459 (concat_note_lists): ... here, and ...
3460 (unlink_other_notes, rm_other_notes): Merge into...
3461 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3462 NOTE_INSN_EPILOGUE_BEG.
3464 2010-01-06 Richard Guenther <rguenther@suse.de>
3466 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3467 not inline regular functions into always-inline functions.
3469 2010-01-06 Nick Clifton <nickc@redhat.com>
3471 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3472 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3474 (OVERRIDE_OPTIONS): Delete.
3475 (OPTIMIZATION_OPTIONS): Define.
3476 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3477 * config/rx/rx.c (rx_handle_option): Issue an error message if
3478 -mcpu=rx200 and -fpu are used together.
3479 (rx_set_optimization_options): New function. Issue an error
3480 message if an optimization attribute attempts to reset the FPU/
3481 math optimization pairing.
3482 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3483 * config/rx/rx.opt: Set the default to 32-bit doubles.
3484 * config/rx/t-rx: Add multilibs for -nofpu option.
3485 * doc/invoke.texi: Update documentation of RX options.
3487 2010-01-06 Richard Guenther <rguenther@suse.de>
3489 * tree-ssa-pre.c (name_to_id): New global.
3490 (alloc_expression_id): Simplify SSA name handling.
3491 (lookup_expression_id): Likewise.
3492 (init_pre): Zero name_to_id.
3493 (fini_pre): Free it.
3495 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3497 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3499 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3502 * config/i386/sse.md (smaxv2di3): New.
3503 (umaxv2di3): Likewise.
3504 (sminv2di3): Likewise.
3505 (uminv2di3): Likewise.
3507 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3510 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3511 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3512 (legitimize_tls_address): Likewise.
3513 (sparc_tls_referenced_p): Likewise.
3514 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3515 and adjust calls to legitimize_pic_address.
3516 (legitimate_constant_p) Use sparc_tls_referenced_p.
3517 (legitimate_pic_operand_p): Likewise.
3518 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3519 (sparc_tls_symbol_ref_1): Delete.
3520 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3521 (legitimize_tls_address): Make static, handle CONST patterns.
3522 (legitimize_pic_address): Make static, remove unused parameter and
3523 adjust recursive calls.
3524 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3525 and adjust call to legitimize_pic_address.
3526 (sparc_output_mi_thunk): Likewise.
3528 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3529 H.J. Lu <hongjiu.lu@intel.com>
3532 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3533 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3534 operands to make them signed.
3537 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3540 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3541 GTU to GT for V4SI and V2DI.
3543 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3544 (umin<mode>3): Removed.
3546 (uminv4si3): Likewise.
3548 2010-01-05 Martin Jambor <mjambor@suse.cz>
3550 PR tree-optimization/42462
3551 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3552 current_function_decl to helper functions and macros.
3554 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3557 * flags.h: Don't include real.h.
3558 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3559 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3560 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3561 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3562 * dominance.c: Update copyright.
3563 * gimple.c (walk_gimple_op): Remove inline.
3564 * tree-ssa-reassoc.c: Include real.h.
3565 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3566 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3568 2010-01-05 Nick Clifton <nickc@redhat.com>
3570 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3571 register to push into the stack frame when the accumulator has to
3572 be saved during interrupts.
3574 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3576 * doc/invoke.texi: Remove the documentation about option
3578 * common.opt (Wunreachable-code): Preserved for backward
3580 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3581 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3582 the backward compatibility flag section.
3584 2010-01-05 Richard Guenther <rguenther@suse.de>
3586 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3588 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3591 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3593 PR tree-optimization/42508
3594 * tree-sra.c (convert_callers): Check for recursive call
3595 by comparing cgraph nodes instead of decls.
3596 (modify_function): Call ipa_modify_formal_parameters also
3597 on all same_body aliases.
3599 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3600 cgraph nodes when checking for same_body aliases.
3602 2010-01-05 Richard Guenther <rguenther@suse.de>
3604 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3605 allocation and lookup.
3606 (get_or_alloc_expr_for_constant): Likewise.
3607 (phi_translate): Sink allocation.
3609 2010-01-04 Richard Guenther <rguenther@suse.de>
3611 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3612 a new entry only if needed.
3613 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3614 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3616 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3618 (phi_translate): Handle CONSTANTs early.
3620 2010-01-04 Martin Jambor <mjambor@suse.cz>
3622 PR tree-optimization/42398
3623 * tree-sra.c (struct access): Removed flag grp_different_types.
3624 (dump_access): Do not dump the removed flag.
3625 (sort_and_splice_var_accesses): Do not set the removed flag.
3626 (sra_modify_expr): Check for type compatibility directly.
3628 2010-01-04 Martin Jambor <mjambor@suse.cz>
3630 PR tree-optimization/42366
3631 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3632 edges with variable number of parameters.
3633 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3634 flag instead of asserting it.
3635 (ipa_read_node_info): Read uses_analysis_done flag.
3637 2010-01-04 Richard Guenther <rguenther@suse.de>
3639 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3640 iterative_hash_* as intended.
3641 (vn_reference_compute_hash): Likewise. Simplify hashing
3643 (vn_reference_lookup_2): Likewise.
3644 (vn_nary_op_compute_hash): Likewise.
3645 (vn_phi_compute_hash): Likewise.
3646 (expressions_equal_p): Remove strange code.
3647 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3648 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3649 (bitmap_insert_into_set_1): Take value-id as parameter.
3650 (add_to_value): Pass it.
3651 (bitmap_insert_into_set): Likewise.
3652 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3654 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3657 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
3658 (do_self_spec): For switches with SWITCH_IGNORE set set also
3659 SWITCH_IGNORE_PERMANENTLY.
3660 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
3663 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
3665 * lto-streamer-out.c (output_unreferenced_globals): Output the full
3666 tree of an unreferenced global var.
3668 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3671 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3672 GTU to GT for V4SI and V2DI.
3674 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3675 (umin<mode>3): Removed.
3677 (uminv4si3): Likewise.
3679 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3682 * collect2.c (main): Turn on trace in collect2 if -v is passed
3685 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
3687 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
3688 description of expression operand.
3690 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
3692 * configure.ac: Add install-html to target_list for Make-hooks.
3693 * configure: Regenerate.
3694 * fortran/Make-lang.in (F95_HTMLFILES): New.
3695 (fortran.html): Use it.
3696 (fortran.install-html): New.
3697 * Makefile.in (install-html): Add lang.install-html.
3698 * java/Make-lang.in (JAVA_HTMLFILES): New.
3699 (java.html): Use it.
3700 (java.install-html): New.
3701 * objc/Make-lang.in (objc.install-html): New.
3702 * objcp/Make-lang.in (obj-c++.install-html): New.
3703 * cp/Make-lang.in (c++.install-html): New.
3704 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3705 * lto/Make-lang.in (lto.install-html): New.
3707 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3710 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3712 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3714 PR rtl-optimization/41862
3715 * store-motion.c (store_killed_in_insn, compute_store_table,
3716 remove_reachable_equiv_notes, replace_store_insn,
3717 build_store_vectors): Ignore all DEBUG_INSNs.
3719 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3722 * common.opt: Add dumpdir.
3724 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3726 (option_map): Add --dumpdir.
3728 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3730 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3732 * opts.c (decode_options): Try dump_dir_name first if
3733 dump_base_name isn't an absolute path.
3734 (common_handle_option): Handle OPT_dumpdir.
3736 * toplev.c (dump_dir_name): New.
3737 (print_switch_values): Also ignore -dumpdir.
3739 * toplev.h (dump_dir_name): New.
3741 2010-01-03 Richard Guenther <rguenther@suse.de>
3743 PR tree-optimization/42589
3744 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3745 double-word expansion of bswap32.
3747 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3749 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3750 with BLOCK_FOR_INSN.
3751 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3752 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3753 noce_process_if_block): Likewise.
3754 * gcse.c (compute_local_properties, insert_expr_in_table,
3755 insert_set_in_table, canon_list_insert, find_avail_set,
3756 pre_insert_copy_insn): Likewise.
3758 * basic-block.h (BLOCK_NUM): Move from here...
3759 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3761 2010-01-03 Richard Guenther <rguenther@suse.de>
3763 PR tree-optimization/42438
3764 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3765 contains_may_not_return_call flag.
3766 (BB_MAY_NOTRETURN): New.
3767 (valid_in_sets): Trapping nary operations are not valid
3768 in blocks that may not return.
3769 (insert_into_preds_of_block): Remove check for trapping expressions.
3770 (compute_avail): Compute also BB_MAY_NOTRETURN.
3772 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3774 * doc/invoke.texi: Add 2010 to copyright years.
3776 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3778 * config/sparc/sparc.c: Fix formatting nits.
3780 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3781 Alexander Monakov <amonakov@ispras.ru>
3783 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3785 2010-01-02 Richard Guenther <rguenther@suse.de>
3788 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3789 (simplify_switch_using_ranges): Mark to be removed edges
3792 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3794 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3796 * collect2.c (scan_libraries): Add missing argument in call to
3799 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3802 * config/alpha/predicates.md (aligned_memory_operand): Return false
3804 (unaligned_memory_operand): Return true for CQImode.
3805 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3806 doesn not cross aligned SImode word boundary.
3808 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3810 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3812 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3813 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3815 2010-01-02 Richard Guenther <rguenther@suse.de>
3818 * toplev.c (compile_file): Emit LTO marker properly. Change
3820 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3822 2010-01-01 Richard Guenther <rguenther@suse.de>
3825 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3827 2010-01-01 Richard Guenther <rguenther@suse.de>
3830 * c-decl.c (grokdeclarator): For zero-size arrays force
3831 structural equality checks as layout_type does.
3833 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3835 * builtins.c: Update copyright to 2010.
3837 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3840 * lto-streamer-out.c (produce_asm): Revert the last change.
3841 (copy_function): Likewise.
3843 * lto-streamer.c (lto_get_section_name): Skip any leading
3846 2010-01-01 Richard Guenther <rguenther@suse.de>
3849 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3853 Copyright (C) 2010 Free Software Foundation, Inc.
3855 Copying and distribution of this file, with or without modification,
3856 are permitted in any medium without royalty provided the copyright
3857 notice and this notice are preserved.