1 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3 PR rtl-optimization/42216
4 * regrename.c (create_new_chain): New function, broken out from...
5 (scan_rtx_reg): ... here. Call it. Handle the case where we are
6 appending a use to an empty chain.
7 (build_def_use): Remove previous changes that convert OP_INOUT to
8 OP_OUT operands; instead detect the case where an OP_INOUT operand
9 uses a previously untracked register and create an empty chain for
12 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
14 * doc/extend.texi (Function Attributes): Rewrite unfinished
15 sentence in ms_abi documentation.
17 2010-03-17 Alan Modra <amodra@gmail.com>
19 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
20 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
21 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
22 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
24 2010-03-16 Richard Henderson <rth@redhat.com>
27 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
28 (lower_try_finally): Save and restore eh_seq around the expansion
31 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
33 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
34 statements before splitting block.
36 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
38 * doc/sourcebuild.texi (Testsuites): Fix markup.
39 Use pathnames relative to gcc/testsuite.
40 (Test Directives): Move description of how timeout is determined.
41 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
42 (C Tests): Correct gcc.misc-tests directory.
43 Framework tests now live in gcc.test-framework.
45 2010-03-16 Richard Guenther <rguenther@suse.de>
48 * tree-cfg.c (gimple_merge_blocks): When propagating virtual
49 PHI operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI
52 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
53 Alexandre Oliva <aoliva@redhat.com>
55 PR tree-optimization/42917
56 * lambda-code.c (remove_iv): Skip debug statements.
57 (lambda_loopnest_to_gcc_loopnest): Likewise.
58 (not_interesting_stmt): Debug statements are not interesting.
60 2010-03-16 Jakub Jelinek <jakub@redhat.com>
64 * cselib.c (cselib_preserve_constants,
65 cfa_base_preserved_val): New static variables.
66 (preserve_only_constants): New function.
67 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
68 clear its REG_VALUES. If cselib_preserve_constants, don't
69 empty the whole hash table, but preserve there VALUEs with constants,
70 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
71 (cselib_preserve_cfa_base_value): New function.
72 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
73 (cselib_init): Change argument to int bitfield. Set
74 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
76 (cselib_finish): Clear cselib_preserve_constants and
77 cfa_base_preserved_val.
78 * cselib.h (enum cselib_record_what): New enum.
79 (cselib_init): Change argument to int.
80 (cselib_preserve_cfa_base_value): New prototype.
81 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
82 * dse.c (dse_step1): Likewise.
83 * cfgcleanup.c (thread_jump): Likewise.
84 * sched-deps.c (sched_analyze): Likewise.
85 * gcse.c (local_cprop_pass): Likewise.
86 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
87 If FN is non-NULL, call the callback always and whenever it returns
88 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
89 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
90 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
91 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
92 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
93 * var-tracking.c: Include recog.h.
94 (bb_stack_adjust_offset): Remove.
95 (vt_stack_adjustments): Don't call it, instead just gather the
96 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
97 (adjust_stack_reference): Remove.
98 (compute_cfa_pointer): New function.
99 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
100 (struct adjust_mem_data): New type.
101 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
103 (get_address_mode): New function.
104 (replace_expr_with_values): Use it.
105 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
106 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
107 (adjust_sets): Remove.
108 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
109 Use get_address_mode.
110 (get_adjusted_src): Remove.
111 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
112 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
113 (add_with_sets): Don't call adjust_sets.
114 (fp_setter, vt_init_cfa_base): New functions.
115 (vt_initialize): Change return type to bool. Move most of pool etc.
116 initialization to the beginning of the function from end. Pass
117 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
118 If !frame_pointer_needed, call vt_stack_adjustment before mos
119 vector is filled, call vt_init_cfa_base if argp/framep has been
120 eliminated to sp. If frame_pointer_needed and argp/framep has
121 been eliminated to hard frame pointer, set
122 hard_frame_pointer_adjustment and call vt_init_cfa_base after
123 encountering fp setter in the prologue. For MO_ADJUST, call
124 log_op_type before pusing the op into mos vector, not afterwards.
125 Call adjust_insn before cselib_process_insn/add_with_sets,
126 call cancel_changes (0) afterwards.
127 (variable_tracking_main_1): Adjust for vt_initialize calling
128 vt_stack_adjustments and returning whether it succeeded or not.
130 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
132 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
135 2010-03-15 Jakub Jelinek <jakub@redhat.com>
137 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
139 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
140 drap_reg has not been set.
142 2010-03-15 Michael Matz <matz@suse.de>
145 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
146 use it to expand block copies.
147 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
148 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
149 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
151 2010-03-15 Richard Guenther <rguenther@suse.de>
153 PR tree-optimization/43367
154 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
157 2010-03-15 Richard Guenther <rguenther@suse.de>
159 PR tree-optimization/43317
160 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
162 2010-03-15 Martin Jambor <mjambor@suse.cz>
164 PR tree-optimization/43141
165 * tree-sra.c (create_abstract_origin): New function.
166 (modify_function): Call create_abstract_origin.
168 2010-03-15 Chris Demetriou <cgd@google.com>
170 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
173 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
176 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
177 call insert_out_of_ssa_copy for default definitions.
179 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
181 * graphite-clast-to-gimple.c (my_long_long): Defined.
182 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
183 * graphite-sese-to-poly.c (my_long_long): Defined.
184 (scop_ivs_can_be_represented): Use it.
186 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
188 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
189 graphite-max-bbs-per-function, and loop-block-tile-size.
190 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
192 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
194 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
196 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
198 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
199 (add_upper_bounds_from_estimated_nit): New.
200 (build_loop_iteration_domains): Use it.
202 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
204 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
206 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
209 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
210 should be an INTEGER_CST. Also handle CASE_CONVERT.
212 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
214 * graphite.c (graphite_initialize): To bound the number of bbs per
215 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
216 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
217 * doc/invoke.texi: Document it.
219 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
221 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
222 * graphite-sese-to-poly.h (build_poly_scop): Same.
224 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
226 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
227 the number of parameters in the scop. Use as an upper bound
228 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
229 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
230 * doc/invoke.texi: Document it.
232 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
234 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
235 * doc/c-tree.texi: Remove.
236 * doc/generic.texi: Merge c-tree.texi here.
237 * doc/gccint.texi (Trees): Remove menu entry.
238 (c-tree.texi): Remove @include.
239 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
240 * doc/languages.texi (Reading RTL): Ditto.
242 2010-03-12 Steve Ellcey <sje@cup.hp.com>
245 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
247 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
250 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
251 code added to work around reload clobbering CONST insns.
253 2010-03-12 Jakub Jelinek <jakub@redhat.com>
255 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
256 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
257 (cselib_preserve_only_values): Remove retain argument, don't
258 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
259 * cselib.h (cselib_preserve_only_values): Remove retain argument.
260 * var-tracking.c (micro_operation): Move insn field before union.
261 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
262 (struct variable_tracking_info_def): Remove n_mos field, change
263 mos into a vector of micro_operations.
264 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
265 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
266 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
267 changing into a vector.
268 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
269 come before all other uops generated by add_stores.
270 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
272 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
273 a vector. Run just one pass over the bbs instead of separate counting
274 and computation phase.
275 (vt_finalize): Free VTI (bb)->mos vector instead of array.
278 * tree-inline.c (remap_decls): Put old_var rather than origin_var
279 into *nonlocalized_list vector.
280 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
281 even if origin is non-NULL.
282 (gen_variable_die): Likewise.
283 (process_scope_var): Don't change origin.
284 (gen_decl_die): Likewise.
285 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
286 before adding new edges instead of after it, fix moving over
289 2010-03-11 David S. Miller <davem@davemloft.net>
291 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
293 * configure: Rebuild.
295 2010-03-11 Martin Jambor <mjambor@suse.cz>
297 PR tree-optimization/43257
298 * tree.c (assign_assembler_name_if_neeeded): New function.
299 (free_lang_data_in_cgraph): Assembler name assignment moved to the
301 * tree.h (assign_assembler_name_if_neeeded): Declare.
302 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
303 the function if needed.
305 2010-03-11 Chris Demetriou <cgd@google.com>
307 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
308 include/stdint-gcc.h, and include/stdint.h world-readable.
310 2010-03-11 Richard Guenther <rguenther@suse.de>
312 PR tree-optimization/43255
313 * tree-vrp.c (process_assert_insertions_for): Do not insert
314 asserts for trivial conditions.
316 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
318 PR tree-optimization/43280
319 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
320 generation. Move calculation of size out of the if branch.
321 (find_bswap): Modify compare number generation.
323 2010-03-11 Richard Guenther <rguenther@suse.de>
326 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
327 (input_gimple_stmt): Fixup handled component types during
328 operand read. Also fix up decls in ADDR_EXPRs.
330 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
332 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
333 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
335 2010-03-10 Jan Hubicka <jh@suse.cz>
338 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
339 * varasm.c (get_variable_section): Don't do that here...
340 (make_decl_rtl): ... and here.
341 (do_assemble_alias): Produce decl RTL.
342 (assemble_alias): Likewise.
344 2010-03-10 Jakub Jelinek <jakub@redhat.com>
347 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
348 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
350 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
351 (based_loc_descr): Only express drap or vdrap regno based expressions
352 using DW_OP_fbreg when not optimizing.
353 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
354 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
355 REG_CFA_SET_VDRAP note.
357 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
359 PR tree-optimization/43236
360 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
361 error in calculation of base address in reverse iteration case.
362 (generate_builtin): Take number of latch executions if the statement
365 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
368 * tree-eh.c: Include pointer-set.h.
369 (lower_eh_dispatch): Filter out duplicate case labels and
370 remove the unneeded edge when the label is unused. Return
371 true when some edges are removed.
372 (execute_lower_eh_dispatch): When any lowering resulted in
373 removing an edge, also delete unreachable blocks.
375 2010-03-10 Jakub Jelinek <jakub@redhat.com>
378 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
379 UNSPEC_MACHOPIC_OFFSET.
381 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
384 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
385 (m68k_delegitimize_address): New function.
387 2010-03-09 Jakub Jelinek <jakub@redhat.com>
390 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
393 * var-tracking.c (adjust_sets): New function.
394 (count_with_sets, add_with_sets): Use it.
395 (get_adjusted_src): New inline function.
396 (add_stores): Use it.
399 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
400 call cselib_dummy_expand_value_rtx_cb instead of
401 cselib_expand_value_rtx_cb.
404 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
405 * config/i386/i386.c: Include debug.h and dwarf2out.h.
406 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
407 and .cfi_endproc around the pic thunks.
408 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
409 all queued unwind info register saves are saved before the call.
410 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
411 considered as sp-=4 for unwind info and the pop as sp+=4 which
412 also clobbers dest, but doesn't actually restore it.
415 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
418 2010-03-09 Jie Zhang <jie@codesourcery.com>
420 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
421 whitespaces in output template.
423 2010-03-09 Jie Zhang <jie@codesourcery.com>
425 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
428 2010-03-08 Jakub Jelinek <jakub@redhat.com>
430 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
431 builtins.exp in a separate job.
433 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
435 * graphite-sese-to-poly.c (add_param_constraints): Use
436 lower_bound_in_type and upper_bound_in_type.
438 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
440 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
441 instead of unsigned_type_node.
443 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
444 Reza Yazdani <reza.yazdani@amd.com>
447 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
448 on pointer type parameters.
450 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
454 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
455 handle conversions from pointer to integers.
456 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
457 induction variable, to be able to work with code generated by CLooG.
458 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
459 (build_poly_scop): Bail out if we cannot codegen a loop.
461 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
463 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
464 code generation with gloog_error.
466 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
468 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
469 Call fold_convert on all the returned values.
470 (expand_scalar_variables_expr): Pass to
471 expand_scalar_variables_ssa_name the type of the resulting expression.
473 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
475 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
476 ppl_min_for_le_pointset.
477 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
478 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
480 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
482 * graphite-dependences.c (map_into_dep_poly): Removed.
483 (dependence_polyhedron_1): Use combine_context_id_scat.
485 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
487 * graphite-poly.h (struct poly_scattering): Add layout documentation.
488 (struct poly_bb): Same.
489 (combine_context_id_scat): New.
491 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
494 * sese.c (name_defined_in_loop_p): Return false for default
497 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
499 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
500 and clean up the logic.
502 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
504 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
507 2010-03-08 Jakub Jelinek <jakub@redhat.com>
509 * var-tracking.c (remove_cselib_value_chains): Define only for
511 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
512 delete_slot_part, emit_notes_for_differences_1): Don't call
513 remove_cselib_value_chains here.
514 (set_slot_part, emit_notes_for_differences_2): Don't call
515 add_cselib_value_chains here.
516 (preserved_values): New vector.
517 (preserve_value): New function.
518 (add_uses, add_stores, vt_add_function_parameters): Use it
519 instead of cselib_preserve_value.
520 (changed_values_stack): New vector.
521 (check_changed_vars_0): New function.
522 (check_changed_vars_1, check_changed_vars_2): Use it.
523 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
524 changed_values_stack VALUEs.
525 (vt_emit_notes): For all preserved_values call
526 add_cselib_value_chains. If ENABLE_CHECKING call
527 remove_cselib_value_chains before verifying value_chains is empty.
528 Initialize and free changed_values_stack.
529 (vt_initialize): Initialize preserved_values.
530 (vt_finalize): Free preserved_values.
532 2010-03-08 Richard Guenther <rguenther@suse.de>
534 PR tree-optimization/43269
535 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
538 2010-03-08 Martin Jambor <mjambor@suse.cz>
540 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
541 (ipa_is_param_called): Removed.
542 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
543 (ipa_print_node_params): Do not print the called flag.
544 (ipa_write_node_info): Do not stream the called flag.
545 (ipa_read_node_info): Likewise.
547 2010-03-07 Jakub Jelinek <jakub@redhat.com>
550 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
551 * cselib.c (struct expand_value_data): Add dummy field.
552 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
554 (cselib_dummy_expand_value_rtx_cb): New function.
555 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
557 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
558 * var-tracking.c: Include pointer-set.h.
559 (variable): Change n_var_parts to char from int. Add
560 cur_loc_changed and in_changed_variables fields.
561 (variable_canonicalize): Remove.
562 (shared_var_p): New inline function.
563 (unshare_variable): Maintain cur_loc_changed and
564 in_changed_variables fields. If var was in changed_variables,
565 replace it there with new_var. Just copy cur_loc instead of
566 resetting it to something else.
567 (variable_union): Don't recompute cur_loc. Use shared_var_p.
568 (dataflow_set_union): Don't call variable_canonicalize.
569 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
570 of their DEBUG_EXPR_TREE_DECLs.
571 (canonicalize_loc_order_check): Verify that cur_loc is NULL
572 and in_changed_variables and cur_loc_changed is false.
573 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
574 and cur_loc_changed. Don't update cur_loc here.
575 (variable_merge_over_src): Don't call variable_canonicalize.
576 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
577 removing loc that is equal to cur_loc, clear cur_loc,
578 set cur_loc_changed and ensure variable_was_changed is called.
579 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
580 compare pointers in cur_loc check, if it is equal to loc,
581 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
582 (variable_different_p): Remove compare_current_location argument,
583 don't compare cur_loc.
584 (dataflow_set_different_1): Adjust variable_different_p caller.
585 (variable_was_changed): If dv had some var in changed_variables
586 already, reset in_changed_variables flag for it and propagate
587 cur_loc_changed over to the new variable. On empty var
588 always set cur_loc_changed. Set in_changed_variables on whatever
589 var is added to changed_variables.
590 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
591 Use shared_var_p. When removing loc that is equal to cur_loc,
592 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
593 end, don't set it to something else, just call variable_was_changed.
594 (delete_slot_part): Use shared_var_p. When cur_loc equals to
595 loc being removed, clear cur_loc and set cur_loc_changed.
596 Set cur_loc_changed if all locations have been removed.
597 (struct expand_loc_callback_data): New type.
598 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
599 allocated. Always create SUBREGs if simplify_subreg failed.
600 Prefer to use cur_loc, when that fails and still in
601 changed_variables (and seen first time) recompute it. Set
602 cur_loc_changed of variables which had to change cur_loc and
603 compute elcd->cur_loc_changed if any of the subexpressions used
604 had to change cur_loc.
605 (vt_expand_loc): Adjust to pass arguments in
606 expand_loc_callback_data structure.
607 (vt_expand_loc_dummy): New function.
608 (emitted_notes): New variable.
609 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
610 that weren't used for any other decl in current
611 emit_notes_for_changes call call vt_expand_loc_dummy to update
612 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
613 first loc_chain location if NULL before. Always use just
614 cur_loc instead of first loc_chain location. When cur_loc_changed
615 is false, when not --enable-checking=rtl just don't emit any note.
616 When rtl checking, compute the note and assert it is the same
617 as previous note. Clear cur_loc_changed and in_changed_variables
618 at the end before removing from changed_variables.
619 (check_changed_vars_3): New function.
620 (emit_notes_for_changes): Traverse changed_vars to call
621 check_changed_vars_3 on each changed var.
622 (emit_notes_for_differences_1): Clear cur_loc_changed and
623 in_changed_variables. Recompute cur_loc of new_var.
624 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
625 (vt_emit_notes): Initialize and destroy emitted_notes.
627 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
629 PR rtl-optimization/42220
630 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
631 Use verify_reg_tracked to determine if we should use OP_OUT rather
633 (build_def_use): If we see an in-out operand for a register that we
634 know nothing about, treat is an output if possible, fail the block if
637 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
640 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
643 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
646 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
647 uses of relevant DEFs that are dead outside the loop too.
649 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
651 * var-tracking.c (dataflow_set_merge): Swap src and src2.
653 2010-01-13 Jakub Jelinek <jakub@redhat.com>
655 * var-tracking.c (values_to_unmark): New variable.
656 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
657 values_to_unmark vector. Moved body to...
658 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
659 instead queue it into values_to_unmark vector.
660 (vt_find_locations): Free values_to_unmark vector.
662 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
664 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
665 (site.exp): Export them when plugins are enabled.
667 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
670 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
672 (chrec_fold_multiply): Same.
674 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
677 * c-decl.c (build_compound_literal): Return early if init is
680 2010-03-04 Martin Jambor <mjambor@suse.cz>
682 PR tree-optimization/43164
683 PR tree-optimization/43191
684 * tree-sra.c (type_consists_of_records_p): Reject records with
685 zero-size bit-fields at the end.
687 2010-03-04 Mike Stump <mikestump@comcast.net>
689 * Makefile.in (TAGS): Remove *.y.
691 2010-03-04 Richard Guenther <rguenther@suse.de>
693 PR tree-optimization/40761
694 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
696 (my_rev_post_order_compute): New function.
699 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
702 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
703 decrease the cost of an IV candidate when the cost is infinite.
705 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
707 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
708 Use '3DNow!' for the extension of that name, ensure normal space
710 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
712 2010-03-03 Jeff Law <law@redhat.com>
714 * PR middle-end/32693
715 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
717 (extract_bit_field_1): Likewise.
719 2010-03-03 Janis Johnson <janis187@us.ibm.com>
721 * doc/sourcebuild.texi (Test directives): Document that arguments
722 include-opts and exclude-opts are now optional for dg-skip-if,
723 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
725 2010-03-03 Jason Merrill <jason@redhat.com>
728 * cgraph.h (varpool_node): Add extra_name field.
729 * varpool.c (varpool_extra_name_alias): New.
730 (varpool_assemble_decl): Emit extra name aliases.
731 (varpool_mark_needed_node): Look past an extra name alias.
732 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
733 * lto-streamer-in.c (lto_input_tree): Read it.
734 * lto-streamer-out.c (output_unreferenced_globals): Write it.
736 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
738 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
739 (sparc*-*-solaris2*): ...this.
741 2010-03-03 Jakub Jelinek <jakub@redhat.com>
744 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
745 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
746 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
747 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
750 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
751 fallthrough to default handling, just with want_address 0 instead of 2.
752 For single element lists, add_AT_loc directly, otherwise create an
753 artificial variable DIE and stick location list to it.
756 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
757 (VAL_EXPR_HAS_REVERSE): Define.
758 (reverse_op): New function.
759 (add_stores): For reversible operations add an extra MO_VAL_USE.
761 2010-03-02 Jason Merrill <jason@redhat.com>
763 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
765 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
767 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
768 (sparc64-*-linux*): Likewise.
769 (sparc64-*-solaris2*): Include assembler files before linker ones.
770 (sparc-*-solaris2*): Simplify and reorder to match previous case.
771 * config/sparc/gas.h: Delete.
772 * config/sparc/sol2-64.h: Add copyright notice.
773 * config/sparc/sol2-gas-bi.h: Likewise.
774 * config/sparc/sol2-gld.h: Likewise.
775 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
776 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
777 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
778 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
779 (sparc_elf_asm_named_section): Rename into...
780 (sparc_solaris_elf_asm_named_section): ...this. Always define.
782 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
784 * config/alpha/alpha.c (override_options): Fix -mtune error message.
786 2010-03-02 Jeff Law <law@redhat.com>
789 * reload1.c (rtx_p, substitute_stack): Declare.
790 (substitute): Record addresses of changed rtxs.
791 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
792 Restore the original rtx when complete.
793 (reload): Free subsitute_stack when complete.
795 2010-03-02 Janis Johnson <janis187@us.ibm.com>
797 * doc/gccint.texi (menu): Add Testsuites as a chapter.
798 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
800 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
801 LTO Testing, gcov Testing, profopt Testing, compat Testing,
802 Torture Tests): Change from subsection to section.
804 2010-03-02 Jakub Jelinek <jakub@redhat.com>
805 Steven Bosscher <steven@gcc.gnu.org>
807 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
810 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
813 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
814 the assignment from the new induction variable to the assignment
815 of the value from the original loop PHI function.
817 2010-03-01 Janis Johnson <janis187@us.ibm.com>
818 Daniel Jacobowitz <dan@codesourcery.com>
820 * doc/sourcebuild.texi (Test directives): Clarify options to
823 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
825 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
826 Disable cfi directives unless GCC and gas agree on using read-only
827 .eh_frame sections for 64-bit.
828 * configure: Regenerate.
830 2010-03-01 Richard Guenther <rguenther@suse.de>
832 PR tree-optimization/43220
833 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
834 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
836 2010-03-01 Richard Guenther <rguenther@suse.de>
837 Martin Jambor <mjambor@suse.cz>
840 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
841 gimplified parameters.
843 2010-03-01 Christian Bruel <christian.bruel@st.com>
845 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
847 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
849 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
851 2010-03-01 Richard Guenther <rguenther@suse.de>
854 * expr.c (expand_assignment): Use the alias-oracle to tell
855 if the rhs aliases the result decl.
857 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
860 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
861 to sol_gt_pch_get_address.
862 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
863 64-bit, SPARC and x86.
864 (sol_gt_pch_get_address): New function.
866 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
868 * toplev.h (inform_n, error_n): Declare.
869 * diagnostic.c (inform_n, error_n): New function.
871 2010-03-01 Jakub Jelinek <jakub@redhat.com>
873 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
874 has no rtl yet when processing local_decls, queue it and recheck
875 if deferred stack allocation hasn't assigned it rtl.
877 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
879 * config/sh/sh.c (unspec_bbr_uid): New.
880 (gen_block_redirect): Use it instead of INSN_UID.
881 (gen_far_branch): Likewise.
883 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
885 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
886 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
888 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
890 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
891 (Warning Options): -Wno-conversion-null is valid for
892 Objective-C++ as well.
893 * doc/tm.texi (Named Address Spaces): Likewise.
894 * doc/plugins.texi (Plugins): Replace TABs with spaces.
895 * doc/tree-ssa.texi (Tree SSA): Likewise.
897 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
900 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
901 by default. Don't set the default arch for
902 i[34567]86-*-darwin*|x86_64-*-darwin*.
904 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
907 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
908 default. Set the default 32bit/64bit archs with $with_arch
909 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
911 2010-02-27 Richard Guenther <rguenther@suse.de>
913 PR tree-optimization/43186
914 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
915 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
916 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
919 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
921 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
922 required and i[34567]86-*-* targets don't support 64bit ISA.
924 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
927 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
930 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
932 * config.gcc: Set the default arch at least to Prescott for
933 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
934 if SSE math is enabled.
936 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
938 * diagnostic.c (diagnostic_initialize): Update.
939 (diagnostic_report_diagnostic): Test inhibit_notes_p for
941 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
942 (diagnostic_inhibit_notes): New.
943 * toplev.c (process_options): inhibit notes with -fcompare-debug.
945 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
948 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
949 * doc/standards.texi: Likewise.
950 * doc/extend.texi: Likewise.
951 * doc/trouble.texi: Likewise.
952 * doc/cppopts.texi: Likewise.
953 * doc/install.texi: Likewise.
954 * c.opt (std=c90,std=gnu90): New options.
955 * c-opts.c (c_common_handle_option): Handle them.
957 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
960 * c-decl.c (undeclared_variable): Use an informative note.
962 2010-02-26 Richard Guenther <rguenther@suse.de>
964 PR tree-optimization/43186
965 * gimple.h (gimple_fold): Remove.
966 * gimple.c (gimple_fold): Remove. Inline into single user ...
967 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
968 Try harder for conditions.
970 2010-02-26 Jakub Jelinek <jakub@redhat.com>
973 * function.c (used_types_insert): Don't skip through named pointer
974 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
975 and it is different from the main variant's type.
977 2010-02-26 Nick Clifton <nickc@redhat.com>
979 * config/rx/rx.md (sminsi3): Remove bogus alternative.
981 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
983 * config.gcc: Support --with-fpmath=sse for x86.
985 * config/i386/ssemath.h: New.
987 * doc/install.texi (--with-fpmath=sse): Documented.
989 2010-02-26 Richard Guenther <rguenther@suse.de>
991 PR tree-optimization/43188
992 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
993 vector types of over-aligned element type.
995 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
998 * config/i386/i386.c (expand_vec_perm_blend): Use correct
999 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1001 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1003 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1005 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1007 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1008 * var-tracking.c: Include diagnostic.h.
1009 (debug_dv): New function.
1010 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1013 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1014 (add_value_chain, add_value_chains, remove_value_chain,
1015 remove_value_chains): Handle DEBUG_EXPRs.
1016 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1019 * regcprop.c (struct queued_debug_insn_change): New type.
1020 (struct value_data_entry): Add debug_insn_changes field.
1021 (struct value_data): Add n_debug_insn_changes field.
1022 (debug_insn_changes_pool): New variable.
1023 (free_debug_insn_changes, apply_debug_insn_changes,
1024 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1025 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1026 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1028 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1030 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1031 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1032 changes, call cprop_find_used_regs via note_stores.
1033 (copyprop_hardreg_forward): When copying vd from predecessor
1034 which has any queued DEBUG_INSN changes, make sure the pointers are
1035 cleared. At the end call df_analyze and then if there are any
1036 DEBUG_INSN changes queued at the end of some basic block for still
1037 live registers, apply them.
1038 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1040 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1042 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1045 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1047 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1048 targets. Set the default with_cpu/with_arch from arch/cpu.
1049 Allow x86-64 and native for with_cpu/with_arch.
1051 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1053 * ebitmap.c: Change calls to verify_popcount with calls to
1054 sbitmap_verify_popcount.
1055 (ebitmap_clear_bit): Fixed map->cacheindex test and
1056 map>cache update when bit clearing results in an empty
1059 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1062 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1063 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1064 and support both V2DF and V2DI modes.
1065 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1066 support both V2DF and V2DI modes.
1067 (general): Delete trailing whitespace from a few patterns.
1069 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1070 V2DF/V2DI interleave high/low builtins.
1072 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1075 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1076 interleave high/low functions.
1078 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1080 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1081 #pragma extern_prefix.
1083 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1086 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1087 BLKmode, assert op0 is a MEM and just adjust its mode.
1090 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1091 if bitpos isn't multiple of mode's bitsize.
1093 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1095 * c.opt (-ftemplate-depth=): New.
1096 (-ftemplate-depth-): Deprecate.
1097 * optc-gen.awk: Handle -ftemplate-depth=.
1098 * opth-gen.awk: Likewise.
1099 * c-opts.c (c_common_handle_option): Likewise.
1100 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1102 2010-02-24 Jason Merrill <jason@redhat.com>
1104 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1106 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1108 * cfg.c (alloc_aux_for_block): Remove inline.
1109 (alloc_aux_for_edge): Likewise.
1111 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1113 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1115 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1117 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1118 * config/i386/sol2-gas.h: New file.
1119 * config.gcc (i[34567]86-*-solaris2*): Use it.
1121 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1124 * c-typeck.c (ep_convert_and_check): New.
1125 (build_conditional_expr): Use it.
1126 (build_binary_op): Likewise.
1128 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1130 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1133 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1134 bounds even for -O+.
1135 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1136 expr needs to have DECL_NAME set.
1138 2010-02-24 Nick Clifton <nickc@redhat.com>
1140 * config/mep/mep.c: Include gimple.h.
1141 (mep_function_uses_sp): Delete unused function.
1142 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1143 parameters. Use unsigned integers to count args. Return a
1144 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1146 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1149 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1150 greater or equal to nelt instead of 2 * nelt.
1151 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1154 2010-02-23 Jason Merrill <jason@redhat.com>
1157 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1158 in cfun->local_decls even if they have register types.
1161 * stor-layout.c (place_field): Don't warn about unnecessary
1162 DECL_PACKED if the type is packed.
1164 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1167 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1168 GOTOFF relocs, even when the base reg isn't pic pointer.
1170 2010-02-23 Michael Matz <matz@suse.de>
1173 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1174 (expand_gimple_basic_block): Generate and use debug temps if there
1175 are debug uses left after the last real use of TERed ssa names.
1176 Unlink debug immediate uses when they are expanded.
1178 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1181 * config/i386/i386.c (override_options): Reorganise to provide
1182 better error messages.
1184 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1187 * graphite-scop-detection.c (create_single_exit_edge): Move
1188 the call to find_single_exit_edge to....
1189 (create_sese_edges): ...here. Don't handle multiple edges
1190 exiting the function.
1191 (build_graphite_scops): Don't handle multiple edges
1192 exiting the function.
1194 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1197 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1198 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1200 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1203 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1205 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1208 * c-typeck.c (convert_arguments): Print declaration location.
1209 * c-common.c (validate_nargs): Rename as
1210 builtin_function_validate_nargs.
1211 (check_builtin_function_arguments): Update.
1213 2010-02-22 Richard Guenther <rguenther@suse.de>
1216 * tree-inline.c (declare_return_variable): Use the type of
1217 the call stmt lhs if available.
1219 2010-02-22 Duncan Sands <baldrick@free.fr>
1221 * passes.c (register_pass): Always consider all pass lists when
1222 ref_pass_instance_number is zero.
1224 2010-02-22 Richard Guenther <rguenther@suse.de>
1226 PR tree-optimization/42749
1227 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1228 parameter. Do arithmetic in the original type.
1229 (update_accumulator_with_ops): Likewise.
1230 (adjust_accumulator_values): Adjust.
1232 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1234 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1235 (QI to BLKmode splitter): New splitter.
1237 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1239 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1240 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1242 2010-02-22 Richard Guenther <rguenther@suse.de>
1244 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1246 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1248 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1249 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1250 ($(T)crti.o, $(T)crtn.o): Remove rules.
1252 2010-02-21 Tobias Burnus <burnus@net-b.de>
1255 * doc/invoke.texi (-fassociative-math): Document that this
1256 option is automatically enabled for Fortran.
1258 2010-02-20 David S. Miller <davem@davemloft.net>
1260 * configure.ac: Test if linker and assembler properly support
1261 GOTDATA_OP relocations.
1262 * configure: Rebuild.
1263 * config.in: Likewise.
1264 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1265 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1266 (movsi_high_pic): Likewise.
1267 (movdi_lo_sum_pic): Likewise.
1268 (movdi_high_pic): Likewise.
1269 (movsi_pic_gotdata_op): New pattern.
1270 (movdi_pic_gotdata_op): Likewise.
1271 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1272 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1274 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1277 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1278 attribute to ssemul.
1279 (xop_mulv2div2di3_high): Ditto.
1281 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1284 * c.opt (Wconversion-null): New option.
1285 * doc/invoke.texi (Wconversion-null): Document.
1287 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1289 * common.opt (Wlarger-than-): Add Undocumented.
1291 2010-02-19 Mike Stump <mikestump@comcast.net>
1293 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1295 2010-02-19 Jason Merrill <jason@redhat.com>
1298 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1299 * configure: Likewise.
1301 2010-02-20 Alan Modra <amodra@gmail.com>
1304 * cgraph.h (cgraph_make_decl_local): Declare.
1305 * cgraph.c (cgraph_make_decl_local): New function.
1306 (cgraph_make_node_local): Use it.
1307 * cgraphunit.c (cgraph_function_versioning): Likewise.
1308 * ipa.c (function_and_variable_visibility): Likewise.
1310 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1313 * except.c (sjlj_emit_function_enter): Don't call
1314 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1316 * rtl.h (add_reg_br_prob_note): Remove prototype.
1318 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1321 * c-common.c (conversion_warning): Remove widening conversions
1322 before checking the conversion of integers to reals.
1324 2010-02-19 Mike Stump <mikestump@comcast.net>
1327 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1330 * cgraphunit.c (process_function_and_variable_attributes): Check
1331 DECL_PRESERVE_P instead of looking up attribute "used".
1332 * ipa-pure-const.c (check_decl): Likewise.
1333 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1334 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1335 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1336 instead of attribute "used".
1337 * config/sol2-c.c (solaris_pragma_init): Likewise.
1338 (solaris_pragma_fini): Likewise.
1340 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1342 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1343 Use XCNEW instead of xcalloc.
1344 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1345 XNEW instead of xmalloc.
1346 (get_fields): Use XNEWVEC instead of xmalloc.
1349 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1350 populate vars array.
1351 (create_new_general_access): For debug stmts just reset value.
1352 (get_stmt_accesses): For accesses within debug stmts just record them
1353 using add_access_to_acc_sites instead of preventing the peeling or
1354 counting them as accesses.
1357 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1359 2010-02-19 Richard Guenther <rguenther@suse.de>
1361 PR tree-optimization/42916
1362 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1365 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1367 * configure.ac: Replace all uses of changequote in macro arguments
1368 with proper quoting.
1370 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1373 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1375 2010-02-19 Richard Guenther <rguenther@suse.de>
1377 PR tree-optimization/42944
1378 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1379 test for aliasing with errno.
1381 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1384 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1385 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1386 * dojump.c: Include output.h.
1387 (inv): New inline function.
1388 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1389 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1390 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1391 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1392 argument, pass it down to other calls.
1393 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1394 add REG_BR_PROB note to the conditional jump.
1395 * cfgexpand.c (add_reg_br_prob_note): Removed.
1396 (expand_gimple_cond): Don't call it, add the probability
1397 as last argument to jumpif_1/jumpifnot_1.
1398 * Makefile.in (dojump.o): Depend on output.h.
1399 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1401 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1402 * stmt.c (do_jump_if_equal): Likewise.
1403 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1404 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1405 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1407 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1408 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1409 jumpifnot_1 callers.
1410 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1412 (store_expr): Adjust jumpifnot caller.
1413 (store_constructor): Adjust jumpif caller.
1416 * gimplify.c (gimple_boolify): For __builtin_expect call
1417 gimple_boolify also on its first argument.
1419 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1421 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1423 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1424 * configure: Regenerated.
1426 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1428 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1429 lang_hooks.types_compatible_p instead of comptypes.
1431 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1433 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1434 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1435 if __prefer_thumb__ is defined.
1437 2010-02-18 Martin Jambor <mjambor@suse.cz>
1439 PR tree-optimization/43066
1440 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1441 array with zero-sized element type.
1443 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1445 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1446 rtx, allocate struct var_loc_node here and return it to the
1447 caller, and only if it is actually needed.
1448 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1449 move it earlier and return immediately if it returns NULL.
1451 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1453 * config/sparc/gas.h: New file. Restore
1454 TARGET_ASM_NAMED_SECTION to its ELF default.
1455 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1457 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1458 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1459 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1460 after sparc/sysv4.h.
1462 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1464 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1466 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1468 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1469 patterns from predicated pattern.
1471 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1474 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1475 for insn mnemonic suffix.
1477 2010-02-17 Richard Guenther <rguenther@suse.de>
1479 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1482 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1485 * caller-save.c (save_call_clobbered_regs): If BB ends with
1486 a DEBUG_INSN, move any notes in between last real insn and the last
1487 DEBUG_INSN after the last DEBUG_INSN.
1489 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1491 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1492 Fix return type. Fix argument type. Explain meaning of return value.
1494 2010-02-16 Richard Guenther <rguenther@suse.de>
1496 PR tree-optimization/41043
1497 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1498 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1500 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1502 2010-02-16 Ira Rosen <irar@il.ibm.com>
1504 PR tree-optimization/43074
1505 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1506 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1507 vectorizable cycles in hybrid SLP check.
1508 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1510 2010-02-16 Richard Guenther <rguenther@suse.de>
1512 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1513 (true_dependence): If memrefs_conflict_p computes must-alias
1514 trust it. Move TBAA check after offset-based disambiguation.
1515 (canon_true_dependence): Likewise.
1517 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1519 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1520 * doc/invoke.texi: Document it.
1521 * var-tracking.c: Include toplev.h and params.h.
1522 (vt_find_locations): Return bool indicating success. Compute
1523 hash sizes unconditionally. Check new parameter, report.
1524 (variable_tracking_main_1): Check vt_find_locations results and
1525 retry. Renamed from...
1526 (variable_tracking_main): ... this. New wrapper to preserve
1527 flag_var_tracking_assignments.
1528 * Makefile.in (var-tracking.o): Adjust dependencies.
1530 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1531 Jakub Jelinek <jakub@redhat.com>
1534 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1535 if weak_import attribute is present.
1536 * config/darwin.c (machopic_select_section): Likewise.
1538 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1540 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1541 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1542 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1543 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1545 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
1548 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1551 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1552 Rewrite text to refer to the names.
1554 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1556 * config/i386/i386-builtin-types.def
1557 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1558 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1559 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1560 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1561 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1562 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1563 IX86_BUILTIN_VPERMIL2PS256.
1564 (MULTI_ARG_4_DF2_DI_I): Defined.
1565 (MULTI_ARG_4_DF2_DI_I1): Defined.
1566 (MULTI_ARG_4_SF2_SI_I): Defined.
1567 (MULTI_ARG_4_SF2_SI_I1): Defined.
1568 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1569 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1570 __builtin_ia32_vpermil2ps256.
1571 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1572 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1573 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1574 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1575 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1576 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1577 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1578 CODE_FOR_xop_vpermil2v8sf3.
1579 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1580 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1581 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1582 (_mm256_permute2_pd): New.
1583 (_mm_permute2_ps): New.
1584 (_mm256_permute2_ps): New.
1586 2010-02-15 Nick Clifton <nickc@redhat.com>
1588 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
1589 boolean parameters. Use emit_jump_insn when emitting a pop
1590 instruction containing a return insn.
1591 (push): Use 'true' rather than '1' as second parameter to F.
1592 (h8300_expand_prologue): Likewise.
1593 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1594 (h8300_expand_epilogue): Likewise.
1596 2010-02-15 Richard Guenther <rguenther@suse.de>
1599 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1602 2010-02-15 Nick Clifton <nickc@redhat.com>
1604 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1607 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1609 * intl.c (fake_ngettext): New function.
1610 * intl.h (fake_ngettext): Declare.
1611 (ngettext): Define macro.
1612 * collect2.c (notice_translated): New function.
1613 (main): Use notice_translated and ngettext.
1614 * collect2.h (notice_translated): Declare.
1616 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1618 * reorg.c (delete_computation): Comment fixes.
1619 * caller-save.c (setup_save_areas): Idem.
1620 * sel-sched-dump.c (dump_lv_set): Idem.
1623 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1625 * config/s390/s390.c (s390_sched_init): New function.
1626 (TARGET_SCHED_INIT): Target hook defined.
1628 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1629 Jack Howarth <howarth@bromo.med.uc.edu>
1630 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1633 Partial revert of unintended change in fix for PR41605.
1634 * config/darwin.h: Fix typo.
1635 * config/darwin9.h: Same.
1637 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1639 * c-pch.c (pch_init): Clear v.
1641 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1644 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1645 graphite_can_represent_init for MULT_EXPR.
1647 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1651 * graphite-sese-to-poly.c (remove_phi): New.
1652 (translate_scalar_reduction_to_array): Call remove_phi.
1654 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1657 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1658 * graphite-clast-to-gimple.h (gloog): Update declaration.
1659 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1660 * graphite-poly.h (struct poly_bb): Add missing comments.
1661 (struct scop): Add poly_scop_p field.
1663 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1664 * graphite.c (graphite_transform_loops): Build the polyhedral
1665 representation for each scop before code generation.
1666 * sese.c (rename_variables_in_operand): Removed.
1667 (rename_variables_in_expr): Return the renamed expression.
1668 (rename_sese_parameters): New.
1669 * sese.h (rename_sese_parameters): Declared.
1671 2010-02-11 Richard Guenther <rguenther@suse.de>
1673 PR tree-optimization/42998
1674 * tree-ssa-pre.c (create_expression_by_pieces): Treat
1675 POINTER_PLUS_EXPR properly.
1677 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1678 Changpeng Fang <changpeng.fang@amd.com>
1681 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
1682 the cost of an IV candidate when the IV is used in a test against zero.
1684 * gcc.dg/tree-ssa/ivopts-3.c: New.
1686 2010-02-11 Richard Guenther <rguenther@suse.de>
1689 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
1690 pointer-vs-decl case by swapping refs. Handle some cases
1691 of pointer-vs-decl disambiguations more conservatively.
1692 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
1693 to false after expanding.
1695 2010-02-11 Richard Guenther <rguenther@suse.de>
1698 * gcc.c (process_command): Handle LTO file@offset case more
1701 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1703 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1704 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1706 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1708 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1709 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1710 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1711 Optimize eq/ne comparisons when both arguments are known to be
1713 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1714 Don't mask operands unnecessarily if they are known to be already
1717 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1719 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1722 2010-02-10 Richard Guenther <rguenther@suse.de>
1724 PR tree-optimization/43017
1725 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1726 for wrapping signed arithmetic.
1728 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1731 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1732 if no debug info should be emitted for it.
1734 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1736 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1737 note when flag_exceptions is set.
1739 2010-02-10 Duncan Sands <baldrick@free.fr>
1741 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1743 2010-02-10 Richard Guenther <rguenther@suse.de>
1746 * tree.c (get_unwidened): Handle constants.
1747 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1749 2010-02-10 Martin Jambor <mjambor@suse.cz>
1752 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1753 check for variable argument counts independently.
1755 2010-02-10 Christian Bruel <christian.bruel@st.com>
1758 * config/sh/sh.c (find_barrier): Increase length for non delayed
1759 conditional branches.
1761 2010-02-10 Christian Bruel <christian.bruel@st.com>
1763 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1765 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1767 * builtins.c (set_builtin_user_assembler_name): Also handle
1768 ffs if int is smaller than word.
1770 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1773 * ira-conflicts.c (get_dup): Remove.
1774 (process_reg_shuffles): Add new parameter. Use it as an
1775 additional guard for copy generation.
1776 (add_insn_allocno_copies): Rewrite.
1778 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1780 * common.opt (fsched2-use-traces): Preserved for backward
1782 * doc/invoke.texi: Remove the documentation about option
1783 -fsched2-use-traces.
1784 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1785 flag_sched2_use_traces.
1786 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1787 the backward compatibility flag section.
1789 2010-02-09 Richard Guenther <rguenther@suse.de>
1791 PR tree-optimization/43008
1792 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1793 make HEAP variables initialized from global memory if they
1794 are not known builtin functions.
1795 (find_func_aliases): Adjust.
1797 2010-02-09 Richard Guenther <rguenther@suse.de>
1799 PR tree-optimization/43000
1800 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1801 arithmetic manually.
1803 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1805 PR tree-optimization/42931
1806 * tree-loop-linear.c (try_interchange_loops): Don't call
1807 double_int_mul if estimated_loop_iterations failed.
1809 2010-02-08 Martin Jambor <mjambor@suse.cz>
1812 * tree-sra.c (build_accesses_from_assign): Do not mark in
1813 should_scalarize_away_bitmap if stmt has volatile ops.
1814 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1817 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1819 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1821 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1823 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1826 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1829 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1831 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1834 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1835 to unknown_dependence.
1836 (graphite_legal_transform_dr): Handle the unknown_dependence.
1837 (graphite_carried_dependence_level_k): Same.
1839 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1841 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1843 2010-02-07 Richard Guenther <rguenther@suse.de>
1846 * expr.c (get_inner_reference): Always initialize *pbitsize.
1848 2010-02-07 Richard Guenther <rguenther@suse.de>
1851 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1852 new ARRAY_REFs on variable size element or minimal index arrays.
1854 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1855 gimple_fold_indirect_ref.
1857 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1860 * arm.c (arm_override_options): Just return if the user has specified
1861 an invalid fpu name.
1863 2010-02-03 Jason Merrill <jason@redhat.com>
1866 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1867 i386_pe_maybe_record_exported_symbol.
1869 2010-02-05 Steve Ellcey <sje@cup.hp.com>
1872 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1873 (pa_delegitimize_address): New function.
1875 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
1877 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
1878 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
1880 2010-02-05 Richard Guenther <rguenther@suse.de>
1883 * lto-streamer-in.c (get_resolution): Deal with references
1884 to undefined functions.
1886 2010-02-05 Richard Guenther <rguenther@suse.de>
1888 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
1889 (fold_const_aggregate_ref): Likewise.
1890 (ccp_fold_stmt): Substitute loads.
1891 (maybe_fold_reference): Verify types before substituting.
1893 (fold_gimple_assign): Unshare properly.
1894 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
1896 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
1898 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
1899 for rs6000_gen_cell_microcode.
1901 2010-02-04 Richard Guenther <rguenther@suse.de>
1903 PR rtl-optimization/42952
1904 * dse.c (const_or_frame_p): Remove MEM handling.
1906 2010-02-04 Nick Clifton <nickc@redhat.com>
1908 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
1909 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
1910 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
1911 (mn10300_asm_output_mi_thunk): New function.
1912 (mn10300_can_output_mu_thunk): New function.
1913 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
1914 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
1915 (FUNCTION_ARG): Delete incorrect comment.
1917 2010-02-03 Jason Merrill <jason@redhat.com>
1920 * fold-const.c (operand_equal_p): Handle erroneous types.
1922 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1924 * config/h8300/h8300.md (can_delay): Fix attibute condition.
1926 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
1928 PR rtl-optimization/42941
1929 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
1932 2010-02-03 Jason Merrill <jason@redhat.com>
1935 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
1937 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
1940 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
1941 (cselib_reset_table): Renamed from...
1942 (cselib_reset_table_with_next_value): ... this.
1943 (cselib_get_next_uid): Renamed from...
1944 (cselib_get_next_unknown_value): ... this.
1945 * cselib.c (next_uid): Renamed from...
1946 (next_unknown_value): ... this.
1947 (cselib_clear_table): Adjust.
1948 (cselib_reset_table): Adjust. Renamed from...
1949 (cselib_reset_table_with_next_value): ... this.
1950 (cselib_get_next_uid): Adjust. Renamed from...
1951 (cselib_get_next_unknown_value): ... this.
1952 (get_value_hash): Use hash.
1953 (cselib_hash_rtx): Likewise.
1954 (new_cselib_val): Adjust. Set and dump uid.
1955 (cselib_lookup_mem): Pass next_uid as hash.
1956 (cselib_subst_to_values): Likewise.
1957 (cselib_log_lookup): Dump uid.
1958 (cselib_lookup): Pass next_uid as hash. Adjust.
1959 (cselib_process_insn): Adjust.
1960 (cselib_init): Initialize next_uid.
1961 (cselib_finish): Adjust.
1962 (dump_cselib_table): Likewise.
1963 * dse.c (canon_address): Dump value uid.
1964 * print-rtl.c (print_rtx): Print value uid.
1965 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
1967 (dv_uid): New function, sort of renamed from...
1968 (dv_htab_hash): ... this, reimplemented in terms of it and...
1969 (dv_uid2hash): ... this. New.
1970 (variable_htab_eq): Drop excess assertions.
1971 (tie_break_pointers): Removed.
1972 (canon_value_cmp): Compare uids.
1973 (variable_post_merge_New_vals): Print uids.
1974 (vt_add_function_parameters): Adjust.
1975 (vt_initialize): Reset table. Adjust.
1977 2010-02-03 Richard Guenther <rguenther@suse.de>
1979 PR tree-optimization/42944
1980 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
1981 (call_may_clobber_ref_p_1): Likewise. Properly handle
1982 malloc and calloc clobbering errno.
1984 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
1986 * doc/invoke.texi: Fix name of sched1 dump.
1988 * opts.c (decode_options): Set flag_tree_switch_conversion
1989 only conditionally on optimize >= 2.
1991 * gcse.c: Assorted comment fixes in pass description.
1993 2010-02-03 Anthony Green <green@moxielogic.com>
1995 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
1996 nop padding in order to maintain alignment of storage location of
1997 target function address.
1998 (moxie_trampoline_init): Store target function address at newly
2000 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2002 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2004 2010-02-03 Richard Guenther <rguenther@suse.de>
2007 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2009 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2011 * config.gcc: Reenable check for obsolete targets.
2012 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2013 mips-sgi-irix6.[0-4]*.
2015 2010-02-02 Nick Clifton <nickc@redhat.com>
2017 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2018 constant size of 4 as being the same as 0.
2019 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2020 can take values in the range 0..4.
2022 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2025 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2026 as _darwin10_Unwind_FindEnclosingFunction().
2027 * libgcc-libsystem.ver: New.
2029 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2032 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2033 implicitly set registers.
2035 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2037 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2038 (arm_override_options): Allow automatic selection of the thread
2039 pointer register if thumb2.
2040 (legitimize_pic_address): Improve code sequences for Thumb2.
2041 (arm_call_tls_get_addr): Likewise.
2042 (legitimize_tls_address): Likewise.
2043 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2044 (pic_load_addr_32bit): ... this. New named pattern.
2045 * thumb2.md (pic_load_addr_thumb2): Delete.
2046 (pic_load_dot_plus_four): Delete.
2047 (tls_load_dot_plus_four): New named pattern.
2049 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2052 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2053 Document fix for TLS bug.
2055 2010-01-31 Richard Guenther <rguenther@suse.de>
2057 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2058 conservatively correct.
2060 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2064 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2066 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2068 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2070 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2072 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2074 * config.gcc: Adjust order of makefile fragments for mingw targets.
2076 2010-01-31 Richard Guenther <rguenther@suse.de>
2079 * gimplify.c (gimplify_init_constructor): For volatile LHS
2080 initialize a temporary.
2082 2010-01-31 Matthias Klose <doko@ubuntu.com>
2084 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2086 * configure: Regenerate.
2088 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2090 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2091 the same alias set and their sizes different constantness.
2092 (aliasing_component_refs_p): Revert 2009-10-24 change.
2094 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2096 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2099 2010-01-29 Richard Guenther <rguenther@suse.de>
2101 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2102 Assert we successfully updated the call.
2104 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2106 PR rtl-optimization/42889
2107 * df.h (df_set_bb_dirty_nonlr): New prototype.
2108 * df-core.c (df_set_bb_dirty_nonlr): New function.
2109 * df-scan.c (df_insn_rescan): Call it instead of
2110 df_set_bb_dirty for DEBUG_INSNs.
2112 2010-01-29 Richard Guenther <rguenther@suse.de>
2115 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2116 quadratic behavior in most cases.
2118 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2121 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2122 in the call to gen_x86_movsicc_0_m1.
2124 2010-01-28 Richard Guenther <rguenther@suse.de>
2126 PR tree-optimization/42871
2127 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2129 2010-01-28 Richard Guenther <rguenther@suse.de>
2131 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2132 into call arguments.
2134 2010-01-28 Richard Guenther <rguenther@suse.de>
2137 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2138 the forwarder if the destination is an EH landing pad.
2140 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2142 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2143 block list passed to gimple_duplicate_sese_tail.
2144 (parallelize_loops): Avoid parallelization when the function
2146 Avoid parallelization when the preheader is IRREDUCIBLE.
2147 Try to optimize when estimated_loop_iterations_int is unresolved.
2148 Add the loop's location to the dump file.
2149 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2150 (gimple_duplicate_sese_tail): Remove the check for the latch.
2151 Redirect nexits to the exit block.
2152 Remove handling of the incoming edges to the latch.
2153 Redirect the backedge from the copied latch to the exit bb.
2155 2010-01-28 Michael Matz <matz@suse.de>
2158 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2159 Wrap force_reg into a sequence, emit it before user.
2161 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2163 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2165 (arm_legacy_rev): Likewise.
2166 (thumb_legacy_rev): Likewise.
2168 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2170 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2171 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2172 on MEM's address failed, try avoid_constant_pool_reference and
2173 recurse if it returned something different.
2174 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2175 address, try avoid_constant_pool_reference and recurse if it
2176 returned something different.
2177 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2178 address and avoid_constant_pool_reference returned something
2179 different, don't set have_address.
2181 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2184 * var-tracking.c (val_store): Add modified argument, obey it.
2186 (count_uses): Move down logging of main.
2187 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2188 don't need resolution.
2189 (emit_notes_in_bb): Likewise.
2191 2010-01-27 Richard Guenther <rguenther@suse.de>
2194 * tree-inline.c (remap_decl): Delay remapping of SSA name
2195 default definitions until we need them.
2197 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2199 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2200 (rs6000_delegitimize_address): New function.
2202 * config/s390/s390.c (s390_delegitimize_address): Call
2203 delegitimize_mem_from_attrs.
2206 * tree-inline.c (cannot_copy_type_1): Removed.
2207 (copy_forbidden): Don't forbid copying of functions containing
2208 records/unions with variable length fields.
2210 2010-01-27 Christian Bruel <christian.bruel@st.com>
2214 * config/sh/sh.c (find_barrier): Increase length for non delayed
2215 conditional branches.
2217 2010-01-27 Matthias Klose <doko@ubuntu.com>
2219 * configure.ac (gnu-unique-object): Fix ldd version check.
2220 * configure: Regenerate.
2222 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2224 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2226 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2227 Test for HAVE_GNU_AS value.
2229 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2231 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2232 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2233 INT64_TYPE): Define.
2234 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2235 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2236 INT_LEAST64_TYPE): Define.
2237 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2238 UINT_LEAST64_TYPE): Define.
2239 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2240 INT_FAST64_TYPE): Define.
2241 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2242 UINT_FAST64_TYPE): Define.
2243 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2244 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2245 (SIG_ATOMIC_TYPE): Define.
2247 2010-01-26 Richard Guenther <rguenther@suse.de>
2249 * df-scan.c (df_scan_set_bb_info): Remove assert.
2250 (df_insn_rescan_debug_internal): Merge asserts.
2251 (df_install_ref): Likewise.
2252 (df_mark_reg): Use bitmap_set_range.
2253 (df_hard_reg_used_p): Remove assert.
2254 (df_hard_reg_used_count): Likewise.
2256 2010-01-26 Richard Guenther <rguenther@suse.de>
2258 PR rtl-optimization/42685
2259 * web.c (web_main): Ignore DEBUG_INSNs.
2261 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2263 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2265 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2266 Fix types of fndecl and arglist parameters.
2268 2010-01-26 Richard Guenther <rguenther@suse.de>
2271 * tree-eh.c (unsplit_eh): Skip debug insns.
2273 2010-01-26 Richard Guenther <rguenther@suse.de>
2275 PR tree-optimization/42250
2276 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2278 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2281 * omp-low.c (expand_omp_sections): Only use single_pred if
2282 l2_bb is single_pred_p.
2284 2010-01-25 Christian Bruel <christian.bruel@st.com>
2287 * config/sh/sh.c (find_barrier): Increase length for non delayed
2288 conditional branches.
2289 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2291 2010-01-24 David S. Miller <davem@davemloft.net>
2293 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2294 define if not using GAS.
2295 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2296 Likewise. Delete SECTION_MERGE code, which is only applicable
2299 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2302 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2303 mangling of va_list in system headers.
2305 2010-01-23 Toon Moene <toon@moene.org>
2307 * tree-predcom.c (combine_chains): Return NULL, not false.
2309 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2311 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2312 initialization of variable res to agree with return type.
2314 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2316 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2317 * tree-sra.c: Add include of expr.h.
2319 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2321 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2322 insert the debug stmt on the single non-EH edge from the stmt.
2324 2010-01-22 Richard Henderson <rth@redhat.com>
2327 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2328 the RHS until after generate_subtree_copies has insertted its
2329 code before the current statement.
2331 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2333 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2335 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2337 2010-01-21 Martin Jambor <mjambor@suse.cz>
2339 PR tree-optimization/42585
2340 * tree-sra.c (struct access): New field grp_total_scalarization.
2341 (dump_access): Dump the new field.
2342 (should_scalarize_away_bitmap): New variable.
2343 (cannot_scalarize_away_bitmap): Likewise.
2344 (sra_initialize): Allocate new bitmaps.
2345 (sra_deinitialize): Free new bitmaps.
2346 (create_access_1): New function.
2347 (create_access): Parts moved to create_access_1.
2348 (type_consists_of_records_p): New function.
2349 (completely_scalarize_record): Likewise.
2350 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2351 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2352 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2354 (analyze_all_variable_accesses): Completely scalarize small eligible
2357 2010-01-21 Martin Jambor <mjambor@suse.cz>
2359 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2361 2010-01-21 Andrew Haley <aph@redhat.com>
2363 * gcc.c (process_command): Move lang_specific_driver before
2364 setting cc_libexec_prefix.
2366 2010-01-21 Richard Guenther <rguenther@suse.de>
2369 * fold-const.c (negate_expr_p): Pretend only negative
2370 real constants are easily negatable.
2372 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2373 Jason Merrill <jason@redhat.com>
2375 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2376 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2377 * calls.c (initialize argument_information): Handle it.
2378 * c-common.c (handle_transparent_union_attribute): Use new name.
2379 * c-decl.c (finish_struct): Ditto.
2380 * c-typeck.c (type_lists_compatible_p): Ditto.
2381 (convert_for_assignment): Use new name and also handle record.
2382 * function.c (aggregate_value_p): Handle it.
2383 (pass_by_reference): Ditto.
2384 (assign_parm_data_types): Ditto.
2385 * print-tree.c (print_node): Ditto.
2386 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2387 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2388 * tree.c (first_field): New fn.
2390 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2393 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2394 even when linking statically, for now.
2396 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2399 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2400 without a cselib val.
2401 (count_uses): Accept MO_VAL_SET with no val on stores.
2402 (add_stores): Likewise.
2404 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2406 * var-tracking.c (check_value_val): Add a compile time assertion.
2407 (dv_is_decl_p): Simplify.
2408 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2409 gcc_assert if ENABLE_CHECKING.
2411 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2414 * var-tracking.c: Include tree-flow.h.
2415 (mem_dies_at_call): New.
2416 (dataflow_set_preserve_mem_locs): Use it.
2417 (dataflow_set_remove_mem_locs): Likewise.
2418 (dump_var): Renamed from dump_variable. Adjust all callers.
2419 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2420 * Makefile.in (var-tracking.o): Adjust deps.
2422 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2424 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2426 2010-01-20 Richard Guenther <rguenther@suse.de>
2428 PR tree-optimization/42717
2429 * tree-ssa-dce.c (get_live_post_dom): Remove.
2430 (forward_edge_to_pdom): Take an arbitrary edge to copy
2431 degenerate PHI args from.
2432 (remove_dead_stmt): Use the first post-dominator even if it
2433 does not contain live statements as redirection destination.
2435 2010-01-20 Richard Guenther <rguenther@suse.de>
2437 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2439 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2441 * sel-sched.c (create_speculation_check): Remove set but not used
2443 (try_transformation_cache): Remove set but not used variable ds.
2444 (calculate_privileged_insns): Remove set but not used variables
2445 cur_insn and min_spec_insn.
2446 (find_best_expr): Remove set but not used variable avail_n.
2447 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2449 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2451 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2452 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2455 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2458 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2459 cpu types. Add support for *-sse3 cpu types.
2460 (x86_64-*-*): Ditto.
2462 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2465 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2466 argument, call initializer_constant_valid_p_1 instead of
2467 initializer_constant_valid_p, pass CACHE to it, return NULL
2468 immediately if first call returns NULL.
2469 (initializer_constant_valid_p_1): New function.
2470 (initializer_constant_valid_p): Use it.
2472 2010-01-20 Thomas Quinot <quinot@adacore.com>
2474 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2476 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2478 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2479 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2480 (loc_list_from_tree): Don't handle unsigned division. Handle
2481 signed modulo using DW_OP_{over,over,div,mul,minus}.
2482 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2483 modulo instead of signed.
2485 2010-01-20 DJ Delorie <dj@redhat.com>
2487 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2489 (h8300_emit_stack_adjustment): Propogate it.
2491 (h8300_expand_prologue): Likewise.
2492 (h8300_expand_epilogue): Likewise.
2494 2010-01-19 Michael Matz <matz@suse.de>
2496 PR tree-optimization/41783
2497 * tree-data-ref.c (toplevel): Include flags.h.
2498 (dump_data_dependence_relation): Also dump the inputs if the
2499 result will be unknown.
2500 (split_constant_offset_1): Look through some conversions.
2501 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2502 the offset from last element is too large.
2503 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2504 (reassociate_to_the_same_stmt): Handle vector registers.
2505 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2507 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2508 wide_prolog_niters argument, emit widening instructions.
2509 (vect_do_peeling_for_alignment): Adjust caller, use widened
2510 variant of the iteration cound.
2511 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2513 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2516 * config/arm/neon-testgen.m (emit_automatics): New parameter
2517 features. Adjust for Fixed_return_reg feature.
2518 (test_intrinsic): Call emit_automatics with new feature.
2519 * config/arm/neon.ml: Update copyright years.
2520 (features): New Fixed_return_reg feature.
2521 (ops): Update feature for Vget_low.
2523 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2525 PR tree-optimization/42719
2526 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2530 * fwprop.c (all_uses_available_at): Return false if def_set dest
2531 is a REG that is used in def_insn.
2533 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2535 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2537 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2540 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2542 * target.h (struct gcc_target) <secondary_reload>: Change type
2543 of last argument to secondary_reload_info *.
2545 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2548 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2549 memory references with unaligned offsets. Remove CQImode handling.
2550 (unaligned_memory_operand): Return 1 for memory references with
2551 unaligned offsets. Remove CQImode handling.
2553 2010-01-18 Richard Guenther <rguenther@suse.de>
2556 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2559 2010-01-18 Richard Guenther <rguenther@suse.de>
2561 PR tree-optimization/42781
2562 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2563 restrict processing only if the original variable was artificial.
2565 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2567 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2568 find number of popped argument bytes.
2570 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2571 Fix the text that describes the return value for invalid insns.
2573 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2575 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2576 Clarify what 'cost of the -dependence' is. Fix quoting.
2578 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2579 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2581 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2583 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2584 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2586 2010-01-17 Richard Guenther <rguenther@suse.de>
2589 * function.c (split_complex_args): Take a VEC to modify.
2590 (assign_parms_augmented_arg_list): Build a VEC instead of
2591 a chain of PARM_DECLs.
2592 (assign_parms_unsplit_complex): Take a VEC of arguments.
2593 Do not fixup unmodified parms.
2594 (assign_parms): Deal with the VEC.
2595 (gimplify_parameters): Likewise.
2597 2010-01-17 Richard Guenther <rguenther@suse.de>
2599 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2600 node existence check.
2601 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2602 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2603 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2604 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2605 (gimple_execute_on_growing_pred): Likewise.
2607 2010-01-17 Richard Guenther <rguenther@suse.de>
2609 PR tree-optimization/42773
2610 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2611 (compute_antic_aux): Likewise.
2612 (compute_partial_antic_aux): Likewise.
2614 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2617 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2620 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2622 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2625 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2626 Fix markup for strict argument.
2628 (TARGET_SCHED_REORDER2): Fix argument types.
2630 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2631 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2633 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2634 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2636 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2639 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2640 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2641 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2642 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2643 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2645 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2647 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2649 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2650 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
2652 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
2654 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
2657 (TARGET_ASM_NAMED_SECTION): Fix argument list.
2659 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
2660 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
2662 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
2664 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
2666 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
2667 referring to it. Fix language.
2669 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
2671 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
2673 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
2675 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
2677 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
2678 '@var{stream}. Remove stray 'and'.
2680 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
2682 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
2684 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
2686 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
2687 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
2689 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
2690 Fix description of return value.
2691 Rename argument "sz" to "len."
2693 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
2694 Clarify meaning of 'true' return value.
2696 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
2698 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2699 rep_mode versus mode_rep.
2701 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2703 (TARGET_BUILTIN_DECL): Fix name.
2705 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2707 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2709 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2711 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2713 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2715 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2718 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2719 Rename argument tm_fn to md_fn.
2721 (TARGET_OPTION_PRINT): Fix argument list.
2723 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2726 * config/i386/i386.c (ix86_fixup_binary_operands):
2727 Revert FMA4 fixup of operands.
2729 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2732 * Makefile.in (write_entries_to_file, install-plugin):
2733 Use \012 instead of \n with tr.
2735 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2737 * configure.ac (HAVE_AS_REF): New C macro.
2738 * configure: Regenerate.
2739 * config.in: Likewise.
2740 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2742 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2745 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2747 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2749 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2751 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2753 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2755 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2757 (TARGET_BINDS_LOCAL_P): Fix argument type.
2759 (TARGET_ASM_FILE_END): Use prototype.
2761 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2763 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2765 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2767 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2769 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2770 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2772 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2773 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2775 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2776 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2777 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2778 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2780 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2782 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2784 (TARGET_INIT_BUILTINS): Use prototype.
2786 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2787 Put 'const char *' in braces. Fix parameter types.
2788 (TARGET_INVALID_CONVERSION): Fix parameter types.
2789 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2790 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2792 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2795 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2797 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2799 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2801 * doc/tm.texi (TARGET_HELP): Fix return type.
2803 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2804 in braces. Fix argument types.
2806 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2808 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2810 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2812 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2813 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2815 (TARGET_MANGLE_TYPE): Fix argument types.
2817 (TARGET_IRA_COVER_CLASSES): Use prototype.
2819 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2821 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2823 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2825 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2827 (TARGET_CALLEE_COPIES): Fix argument types.
2829 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2831 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2833 (TARGET_FUNCTION_VALUE): Fix argument types.
2835 (TARGET_RETURN_IN_MSB): Fix argument type.
2837 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2839 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2841 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2843 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2844 agree with return type.
2846 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2848 2010-01-15 Jing Yu <jingyu@google.com>
2850 PR rtl-optimization/42691
2851 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2852 a pseudo to a constant and are merged, and adjust comments.
2854 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2856 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2858 2010-01-15 Richard Guenther <rguenther@suse.de>
2861 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2862 labels of computed or non-local gotos to the destination.
2863 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2864 landing pad label is the first label.
2866 2010-01-15 Richard Guenther <rguenther@suse.de>
2868 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2870 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2873 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
2874 to allow generation of the xssqrtdp instruction on power7.
2875 (sqrtdf2_fpr): Ditto.
2877 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2880 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
2881 functions with noreturn attribute.
2884 * varasm.c (declare_weak): Add weak attribute to decl if it
2885 doesn't have one already.
2886 (assemble_external): Only add decls to weak_decls if they also
2887 have weak attribute.
2889 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
2891 * var-tracking.c (var_reg_delete): Don't delete the association
2892 between REGs and values or one-part variables if the register
2895 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2898 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
2899 because its first operand is a non-localized variable.
2901 2010-01-14 Martin Jambor <mjambor@suse.cz>
2903 PR tree-optimization/42706
2904 * tree-sra.c (encountered_recursive_call): New variable.
2905 (encountered_unchangable_recursive_call): Likewise.
2906 (sra_initialize): Initialize both new variables.
2907 (callsite_has_enough_arguments_p): New function.
2908 (scan_function): Call decl and flags check only for IPA-SRA, check
2909 whether there is a recursive call and whether it has enough arguments.
2910 (all_callers_have_enough_arguments_p): New function.
2911 (convert_callers): Look for recursive calls only when
2912 encountered_recursive_call is set.
2913 (ipa_early_sra): Bail out either if
2914 !all_callers_have_enough_arguments_p or
2915 encountered_unchangable_recursive_call.
2917 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2919 * sel-sched.c: Add 2010 to copyright years.
2920 * sel-sched-ir.c: Likewise.
2921 * sel-sched-ir.h: Likewise.
2923 2010-01-14 Martin Jambor <mjambor@suse.cz>
2925 PR tree-optimization/42714
2926 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
2927 constructors specially.
2929 2010-01-14 Andi Kleen <ak@linux.intel.com>
2931 * config/i386/drivers-i386.c (detect_caches_intel):
2932 Add l2sizekb parameter and fill in.
2933 (host_detect_local_cpu): Add l2sizekb, fill in.
2934 Add Atom small cache heuristic.
2936 2010-01-14 Andi Kleen <ak@linux.intel.com>
2938 * config/i386/drivers-i386.c (detect_caches_cpuid4):
2939 Add level3 parameter and fill in.
2940 (detect_caches_intel): Handle level3 cache.
2942 2010-01-14 Andi Kleen <ak@linux.intel.com>
2944 * config/i386/drivers-i386.c (host_detect_local_cpu):
2945 Fix core duo detection.
2947 2010-01-14 Andi Kleen <ak@linux.intel.com>
2949 * config/i386/drivers-i386.c (host_detect_local_cpu):
2952 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2954 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
2955 (rs6000_variable_issue_1): this. Use...
2956 (rs6000_variable_issue): here. Reimplement. Print debug info.
2958 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2960 * sel-sched-ir.c (sel_restore_other_notes): Rename to
2961 sel_restore_notes. Update all callers. Call reemit_notes
2964 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2966 PR rtl-optimization/42246
2967 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
2970 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2972 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
2973 all successors is the same as number of successors in current region.
2975 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2977 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
2978 to rename is not separable. Otherwise check that its LHS is not NULL.
2980 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2982 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
2984 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2986 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
2987 available registers when failed to discover LHS register class.
2988 Fix indentation. Update comment.
2990 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2991 Alexander Monakov <amonakov@ispras.ru>
2993 PR rtl-optimization/42389
2994 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
2996 (advance_state_on_fence): Likewise.
2997 (sel_target_adjust_priority): Print debug output only when
2998 sched_verbose >= 4, not 2.
2999 (get_expr_cost): Do not issue all unique insns on the next cycle.
3000 (fill_insns): Initialize can_issue_more from the value saved
3002 * sel-sched-ir.c (flist_add): New parameter issue_more.
3003 Init FENCE_ISSUE_MORE with it.
3004 (merge_fences): Likewise.
3005 (init_fences): Update call to flist_add.
3006 (add_to_fences, add_clean_fence_to_fences)
3007 (add_dirty_fence_to_fences): Likewise.
3008 (move_fence_to_fences): Update call to merge_fences.
3009 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3011 * sel-sched-ir.h (struct _fence): New field issue_more.
3012 (FENCE_ISSUE_MORE): New accessor macro.
3014 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3016 PR rtl-optimization/42388
3017 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3018 that have no predecessors nor successors. Do not call move_bb_info
3019 for empty blocks outside of current region.
3021 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3023 PR rtl-optimization/42294
3024 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3025 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3026 originators' originators.
3028 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3030 PR rtl-optimization/39453
3031 PR rtl-optimization/42246
3032 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3034 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3036 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3037 Alexander Monakov <amonakov@ispras.ru>
3040 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3041 (maybe_tidy_empty_bb): ... here. Make static. Add new
3042 argument. Update all callers.
3043 (tidy_control_flow): ... and here. Recompute topological order
3044 of basic blocks in region if necessary.
3045 (sel_redirect_edge_and_branch): Change return type. Return true
3046 if topological order might have been invalidated.
3047 (purge_empty_blocks): Export and move from...
3048 * sel-sched.c (purge_empty_blocks): ... here.
3049 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3050 (maybe_tidy_empty_bb): Delete prototype.
3051 (purge_empty_blocks): Declare.
3053 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3055 PR rtl-optimization/42249
3056 * sel-sched.c (try_replace_dest_reg): When chosen register
3057 and original register is the same, do not bail out early, but
3058 still check all original insns for validity of replacing destination
3059 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3062 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3065 Port from no-undefined-overflow branch:
3066 2009-03-09 Richard Guenther <rguenther@suse.de>
3068 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3070 2010-01-14 Richard Guenther <rguenther@suse.de>
3073 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3075 2010-01-14 Ira Rosen <irar@il.ibm.com>
3077 PR tree-optimization/42709
3078 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3079 as scalar type in creation of constant vector operand.
3081 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3084 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3085 (check-parallel-%): Match `testsuite' directory component only
3088 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3090 PR translation/39521
3091 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3094 2010-01-13 Richard Guenther <rguenther@suse.de>
3096 PR tree-optimization/42730
3097 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3100 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3103 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3104 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3107 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3109 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3110 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3111 ___umulsi3_highpart.
3113 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3114 rather than schedule_insns if the pass is enabled.
3116 2010-01-13 Martin Jambor <mjambor@suse.cz>
3118 PR tree-optimization/42704
3119 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3122 2010-01-13 Martin Jambor <mjambor@suse.cz>
3124 PR tree-optimization/42703
3125 * tree-sra.c (analyze_access_subtree): Check that we can build a
3126 reference to the original data within the aggregate.
3128 2010-01-13 Richard Guenther <rguenther@suse.de>
3130 PR tree-optimization/42705
3131 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3133 2010-01-13 Richard Guenther <rguenther@suse.de>
3136 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3138 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3141 * var-tracking.c (values_to_unmark): New variable.
3142 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3143 values_to_unmark vector. Moved body to...
3144 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3145 instead queue it into values_to_unmark vector.
3146 (vt_find_locations): Free values_to_unmark vector.
3148 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3150 * config/s390/s390.c (override_options): Set
3151 default of max-pending-list-length to 256
3153 2010-01-13 Richard Guenther <rguenther@suse.de>
3156 * tree-pass.h (PROP_gimple_lcx): New.
3157 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3158 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3159 before the final cleanup_eh.
3160 (dump_properties): Dump PROP_gimple_lcx.
3161 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3162 (tree_lower_complex_O0): Remove.
3163 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3164 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3165 tree_lower_complex, schedule TODO_update_ssa.
3166 * lto-streamer-out.c (output_function): Stream the functions
3168 * lto-streamer-in.c (input_function): Likewise.
3169 (lto_read_body): Do not override them here.
3171 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3174 * c-typeck.c (build_c_cast): Fold value cast to union type before
3175 wrapping it in a CONSTRUCTOR.
3177 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3179 PR rtl-optimization/42699
3180 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3183 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3185 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3186 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3187 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3188 SUBTARGET_WARN_UNUSED_SPEC): ... here
3189 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3191 2010-01-12 Julian Brown <julian@codesourcery.com>
3193 * config/arm/neon-schedgen.ml (Utils): Don't try to
3194 open missing module.
3195 (find_with_result): New.
3197 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3200 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3201 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3203 PR tree-optimization/42645
3204 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3205 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3206 decl_map, set processing_debug_stmt to -1 and return name without
3209 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3211 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3212 binutils version, and reword target configuration description.
3214 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3216 * config/avr/avr.h (LINKER_NAME): Remove.
3218 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3221 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3222 that support VSX, warn for -mno-altivec if vsx is not disabled,
3225 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3226 Shujing Zhao <pearly.zhao@oracle.com>
3228 PR translation/42469
3229 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3230 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3231 character between option name and help text.
3232 * c.opt (imultilib): Likewise.
3234 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3236 * lto-streamer-out.c (output_unreferenced_globals): Output static
3239 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3241 PR rtl-optimization/42621
3242 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3243 optimizing for size.
3244 (duplicate_computed_gotos): Remove now-redundant check.
3246 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3249 * configure.ac: Save and restore LDFLAGS and LIBS
3250 * configure: Regenerate.
3252 2010-01-10 Richard Guenther <rguenther@suse.de>
3255 * builtins.c (fold_builtin_strlen): Add type argument and
3256 convert the resulting length to it.
3257 (fold_builtin_1): Adjust.
3259 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3261 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3262 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3264 (num_insns_constant_wide): Adjust for that change.
3266 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3269 * web.c (union_defs): Add used argument, to combine uses of
3271 (entry_register): Adjust type and tests of used argument.
3272 (web_main): Widen used for new use. Pass it to union_defs.
3273 * df.h (union_defs): Adjust prototype.
3275 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3278 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3279 uses in new incoming argument. Free body.
3280 (reset_debug_uses_in_loop): New.
3281 (analyze_insn_to_expand_var): Call the latter if the former found
3282 anything. Fix whitespace. Reject invalid dest overlaps before
3283 going through all insns in the loop.
3285 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3288 * haifa-sched.c (dying_use_p): Debug insns don't count.
3290 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3293 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3294 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3295 (verify_gimple_call): Reject LHS in noreturn calls.
3297 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3301 * tree-vect-loop-manip.c (adjust_info): New type.
3302 (adjust_vec): New pointer to vector.
3303 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3304 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3305 (slpeel_update_phis_for_duplicate_loop): Use them.
3306 (slpeel_update_phi_nodes_for_guard1): Likewise.
3307 (slpeel_update_phi_nodes_for_guard2): Likewise.
3308 (slpeel_tree_peel_loop_to_edge): Likewise.
3309 (vect_update_ivs_after_vectorizer): Likewise.
3311 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3313 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3314 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3316 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3318 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3319 bogus uninitialized warning.
3321 2010-01-09 Richard Guenther <rguenther@suse.de>
3324 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3325 the evolution is compatible with the initial condition.
3327 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3329 * gcc.c (process_command): Update copyright notice dates.
3330 * gcov.c (print_version): Likewise.
3331 * gcov-dump.c (print_version): Likewise.
3332 * mips-tfile.c (main): Likewise.
3333 * mips-tdump.c (main): Likewise.
3335 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3338 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3340 (rotlhi3_8): Delete.
3342 (rotlsi3_8): Delete.
3343 (rotlsi3_16): Delete.
3344 (rotlsi3_24): Delete.
3346 (*rotw<mode>3): New.
3347 (*rotb<mode>3): New.
3348 * config/avr/avr.c (avr_rotate_bytes): New function.
3349 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3351 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3354 * configure.ac: Modify -rdynamic check.
3355 * configure: Regenerate.
3357 2010-01-08 DJ Delorie <dj@redhat.com>
3359 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3360 register popping order.
3362 2010-01-08 Richard Guenther <rguenther@suse.de>
3365 * c.opt (fsigned-char): Also let LTO handle this option.
3366 (funsigned-char): Likewise.
3368 2010-01-07 Richard Guenther <rguenther@suse.de>
3370 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3371 (gimple_op): Likewise.
3372 (gimple_op_ptr): Likewise.
3373 (gimple_assign_set_lhs): Remove gcc_assert.
3374 (gimple_assign_set_rhs1): Likewise.
3375 (gimple_assign_set_rhs2): Likewise.
3376 (gimple_call_set_lhs): Likewise.
3377 (gimple_call_set_fn): Likewise.
3378 (gimple_call_set_fndecl): Likewise.
3379 (gimple_call_fndecl): Likewise.
3380 (gimple_call_return_type): Likewise.
3381 (gimple_call_set_chain): Likewise.
3382 (gimple_call_num_args): Likewise.
3383 (gimple_call_set_arg): Likewise.
3384 (gimple_cond_set_code): Likewise.
3385 (gimple_cond_set_lhs): Likewise.
3386 (gimple_cond_set_rhs): Likewise.
3387 (gimple_cond_set_true_label): Likewise.
3388 (gimple_cond_set_false_label): Likewise.
3389 (gimple_label_set_label): Likewise.
3390 (gimple_goto_set_dest): Likewise.
3391 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3392 (gimple_debug_bind_get_value): Likewise.
3393 (gimple_debug_bind_get_value_ptr): Likewise.
3394 (gimple_debug_bind_set_var): Likewise.
3395 (gimple_debug_bind_set_value): Likewise.
3396 (gimple_debug_bind_reset_value): Likewise.
3397 (gimple_debug_bind_has_value_p): Likewise.
3398 (gimple_return_retval_ptr): Remove gcc_assert.
3399 (gimple_return_retval): Likewise.
3400 (gimple_return_set_retval): Likewise.
3401 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3402 (safe_referenced_var_iterator): Remove.
3403 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3404 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3405 (fill_referenced_var_vec): Remove.
3406 (first_readonly_imm_use): Remove redundant gcc_assert.
3407 (phi_arg_index_from_use): Combine gcc_asserts.
3408 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3409 (first_imm_use_stmt): Remove redundant gcc_assert.
3410 * tree-cfg.c (verify_gimple_call): Verify function and chain
3411 operands. Verify arguments.
3412 (verify_types_in_gimple_stmt): Verify condition code and labels.
3414 2010-01-07 Richard Guenther <rguenther@suse.de>
3416 PR tree-optimization/42641
3417 * sese.c (rename_map_elt_info): Use the SSA name version, do
3420 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3422 PR tree-optimization/42625
3423 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3424 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3426 2010-01-07 Duncan Sands <baldrick@free.fr>
3428 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3430 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3433 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3434 note itself is not function_invariant_p.
3436 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3438 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3439 Do not add the DF_NOTE problem.
3440 * store-motion.c (execute_rtl_store_motion): Likewise.
3442 2010-01-07 Martin Jambor <mjambor@suse.cz>
3444 PR tree-optimization/42157
3445 * tree-sra.c (compare_access_positions): Stabilize sort if both
3446 accesses have integer types, return zero immediately if they are the
3449 2010-01-06 Richard Henderson <rth@redhat.com>
3452 * haifa-sched.c (add_to_note_list): Merge into ...
3453 (concat_note_lists): ... here, and ...
3454 (unlink_other_notes, rm_other_notes): Merge into...
3455 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3456 NOTE_INSN_EPILOGUE_BEG.
3458 2010-01-06 Richard Guenther <rguenther@suse.de>
3460 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3461 not inline regular functions into always-inline functions.
3463 2010-01-06 Nick Clifton <nickc@redhat.com>
3465 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3466 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3468 (OVERRIDE_OPTIONS): Delete.
3469 (OPTIMIZATION_OPTIONS): Define.
3470 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3471 * config/rx/rx.c (rx_handle_option): Issue an error message if
3472 -mcpu=rx200 and -fpu are used together.
3473 (rx_set_optimization_options): New function. Issue an error
3474 message if an optimization attribute attempts to reset the FPU/
3475 math optimization pairing.
3476 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3477 * config/rx/rx.opt: Set the default to 32-bit doubles.
3478 * config/rx/t-rx: Add multilibs for -nofpu option.
3479 * doc/invoke.texi: Update documentation of RX options.
3481 2010-01-06 Richard Guenther <rguenther@suse.de>
3483 * tree-ssa-pre.c (name_to_id): New global.
3484 (alloc_expression_id): Simplify SSA name handling.
3485 (lookup_expression_id): Likewise.
3486 (init_pre): Zero name_to_id.
3487 (fini_pre): Free it.
3489 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3491 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3493 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3496 * config/i386/sse.md (smaxv2di3): New.
3497 (umaxv2di3): Likewise.
3498 (sminv2di3): Likewise.
3499 (uminv2di3): Likewise.
3501 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3504 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3505 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3506 (legitimize_tls_address): Likewise.
3507 (sparc_tls_referenced_p): Likewise.
3508 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3509 and adjust calls to legitimize_pic_address.
3510 (legitimate_constant_p) Use sparc_tls_referenced_p.
3511 (legitimate_pic_operand_p): Likewise.
3512 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3513 (sparc_tls_symbol_ref_1): Delete.
3514 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3515 (legitimize_tls_address): Make static, handle CONST patterns.
3516 (legitimize_pic_address): Make static, remove unused parameter and
3517 adjust recursive calls.
3518 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3519 and adjust call to legitimize_pic_address.
3520 (sparc_output_mi_thunk): Likewise.
3522 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3523 H.J. Lu <hongjiu.lu@intel.com>
3526 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3527 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3528 operands to make them signed.
3531 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3534 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3535 GTU to GT for V4SI and V2DI.
3537 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3538 (umin<mode>3): Removed.
3540 (uminv4si3): Likewise.
3542 2010-01-05 Martin Jambor <mjambor@suse.cz>
3544 PR tree-optimization/42462
3545 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3546 current_function_decl to helper functions and macros.
3548 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3551 * flags.h: Don't include real.h.
3552 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3553 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3554 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3555 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3556 * dominance.c: Update copyright.
3557 * gimple.c (walk_gimple_op): Remove inline.
3558 * tree-ssa-reassoc.c: Include real.h.
3559 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3560 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3562 2010-01-05 Nick Clifton <nickc@redhat.com>
3564 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3565 register to push into the stack frame when the accumulator has to
3566 be saved during interrupts.
3568 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3570 * doc/invoke.texi: Remove the documentation about option
3572 * common.opt (Wunreachable-code): Preserved for backward
3574 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3575 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3576 the backward compatibility flag section.
3578 2010-01-05 Richard Guenther <rguenther@suse.de>
3580 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3582 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3585 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3587 PR tree-optimization/42508
3588 * tree-sra.c (convert_callers): Check for recursive call
3589 by comparing cgraph nodes instead of decls.
3590 (modify_function): Call ipa_modify_formal_parameters also
3591 on all same_body aliases.
3593 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3594 cgraph nodes when checking for same_body aliases.
3596 2010-01-05 Richard Guenther <rguenther@suse.de>
3598 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3599 allocation and lookup.
3600 (get_or_alloc_expr_for_constant): Likewise.
3601 (phi_translate): Sink allocation.
3603 2010-01-04 Richard Guenther <rguenther@suse.de>
3605 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3606 a new entry only if needed.
3607 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3608 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3610 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3612 (phi_translate): Handle CONSTANTs early.
3614 2010-01-04 Martin Jambor <mjambor@suse.cz>
3616 PR tree-optimization/42398
3617 * tree-sra.c (struct access): Removed flag grp_different_types.
3618 (dump_access): Do not dump the removed flag.
3619 (sort_and_splice_var_accesses): Do not set the removed flag.
3620 (sra_modify_expr): Check for type compatibility directly.
3622 2010-01-04 Martin Jambor <mjambor@suse.cz>
3624 PR tree-optimization/42366
3625 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3626 edges with variable number of parameters.
3627 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3628 flag instead of asserting it.
3629 (ipa_read_node_info): Read uses_analysis_done flag.
3631 2010-01-04 Richard Guenther <rguenther@suse.de>
3633 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3634 iterative_hash_* as intended.
3635 (vn_reference_compute_hash): Likewise. Simplify hashing
3637 (vn_reference_lookup_2): Likewise.
3638 (vn_nary_op_compute_hash): Likewise.
3639 (vn_phi_compute_hash): Likewise.
3640 (expressions_equal_p): Remove strange code.
3641 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3642 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3643 (bitmap_insert_into_set_1): Take value-id as parameter.
3644 (add_to_value): Pass it.
3645 (bitmap_insert_into_set): Likewise.
3646 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3648 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3651 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
3652 (do_self_spec): For switches with SWITCH_IGNORE set set also
3653 SWITCH_IGNORE_PERMANENTLY.
3654 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
3657 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
3659 * lto-streamer-out.c (output_unreferenced_globals): Output the full
3660 tree of an unreferenced global var.
3662 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3665 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3666 GTU to GT for V4SI and V2DI.
3668 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3669 (umin<mode>3): Removed.
3671 (uminv4si3): Likewise.
3673 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3676 * collect2.c (main): Turn on trace in collect2 if -v is passed
3679 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
3681 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
3682 description of expression operand.
3684 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
3686 * configure.ac: Add install-html to target_list for Make-hooks.
3687 * configure: Regenerate.
3688 * fortran/Make-lang.in (F95_HTMLFILES): New.
3689 (fortran.html): Use it.
3690 (fortran.install-html): New.
3691 * Makefile.in (install-html): Add lang.install-html.
3692 * java/Make-lang.in (JAVA_HTMLFILES): New.
3693 (java.html): Use it.
3694 (java.install-html): New.
3695 * objc/Make-lang.in (objc.install-html): New.
3696 * objcp/Make-lang.in (obj-c++.install-html): New.
3697 * cp/Make-lang.in (c++.install-html): New.
3698 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3699 * lto/Make-lang.in (lto.install-html): New.
3701 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3704 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3706 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3708 PR rtl-optimization/41862
3709 * store-motion.c (store_killed_in_insn, compute_store_table,
3710 remove_reachable_equiv_notes, replace_store_insn,
3711 build_store_vectors): Ignore all DEBUG_INSNs.
3713 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3716 * common.opt: Add dumpdir.
3718 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3720 (option_map): Add --dumpdir.
3722 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3724 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3726 * opts.c (decode_options): Try dump_dir_name first if
3727 dump_base_name isn't an absolute path.
3728 (common_handle_option): Handle OPT_dumpdir.
3730 * toplev.c (dump_dir_name): New.
3731 (print_switch_values): Also ignore -dumpdir.
3733 * toplev.h (dump_dir_name): New.
3735 2010-01-03 Richard Guenther <rguenther@suse.de>
3737 PR tree-optimization/42589
3738 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3739 double-word expansion of bswap32.
3741 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3743 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3744 with BLOCK_FOR_INSN.
3745 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3746 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3747 noce_process_if_block): Likewise.
3748 * gcse.c (compute_local_properties, insert_expr_in_table,
3749 insert_set_in_table, canon_list_insert, find_avail_set,
3750 pre_insert_copy_insn): Likewise.
3752 * basic-block.h (BLOCK_NUM): Move from here...
3753 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3755 2010-01-03 Richard Guenther <rguenther@suse.de>
3757 PR tree-optimization/42438
3758 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3759 contains_may_not_return_call flag.
3760 (BB_MAY_NOTRETURN): New.
3761 (valid_in_sets): Trapping nary operations are not valid
3762 in blocks that may not return.
3763 (insert_into_preds_of_block): Remove check for trapping expressions.
3764 (compute_avail): Compute also BB_MAY_NOTRETURN.
3766 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3768 * doc/invoke.texi: Add 2010 to copyright years.
3770 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3772 * config/sparc/sparc.c: Fix formatting nits.
3774 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3775 Alexander Monakov <amonakov@ispras.ru>
3777 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3779 2010-01-02 Richard Guenther <rguenther@suse.de>
3782 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3783 (simplify_switch_using_ranges): Mark to be removed edges
3786 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3788 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3790 * collect2.c (scan_libraries): Add missing argument in call to
3793 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3796 * config/alpha/predicates.md (aligned_memory_operand): Return false
3798 (unaligned_memory_operand): Return true for CQImode.
3799 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3800 doesn not cross aligned SImode word boundary.
3802 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3804 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3806 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3807 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3809 2010-01-02 Richard Guenther <rguenther@suse.de>
3812 * toplev.c (compile_file): Emit LTO marker properly. Change
3814 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3816 2010-01-01 Richard Guenther <rguenther@suse.de>
3819 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3821 2010-01-01 Richard Guenther <rguenther@suse.de>
3824 * c-decl.c (grokdeclarator): For zero-size arrays force
3825 structural equality checks as layout_type does.
3827 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3829 * builtins.c: Update copyright to 2010.
3831 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3834 * lto-streamer-out.c (produce_asm): Revert the last change.
3835 (copy_function): Likewise.
3837 * lto-streamer.c (lto_get_section_name): Skip any leading
3840 2010-01-01 Richard Guenther <rguenther@suse.de>
3843 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3847 Copyright (C) 2010 Free Software Foundation, Inc.
3849 Copying and distribution of this file, with or without modification,
3850 are permitted in any medium without royalty provided the copyright
3851 notice and this notice are preserved.