1 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2 Alexandre Oliva <aoliva@redhat.com>
4 PR tree-optimization/42917
5 * lambda-code.c (remove_iv): Skip debug statements.
6 (lambda_loopnest_to_gcc_loopnest): Likewise.
7 (not_interesting_stmt): Debug statements are not interesting.
9 2010-03-16 Jakub Jelinek <jakub@redhat.com>
13 * cselib.c (cselib_preserve_constants,
14 cfa_base_preserved_val): New static variables.
15 (preserve_only_constants): New function.
16 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
17 clear its REG_VALUES. If cselib_preserve_constants, don't
18 empty the whole hash table, but preserve there VALUEs with constants,
19 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
20 (cselib_preserve_cfa_base_value): New function.
21 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
22 (cselib_init): Change argument to int bitfield. Set
23 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
25 (cselib_finish): Clear cselib_preserve_constants and
26 cfa_base_preserved_val.
27 * cselib.h (enum cselib_record_what): New enum.
28 (cselib_init): Change argument to int.
29 (cselib_preserve_cfa_base_value): New prototype.
30 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
31 * dse.c (dse_step1): Likewise.
32 * cfgcleanup.c (thread_jump): Likewise.
33 * sched-deps.c (sched_analyze): Likewise.
34 * gcse.c (local_cprop_pass): Likewise.
35 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
36 If FN is non-NULL, call the callback always and whenever it returns
37 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
38 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
39 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
40 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
41 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
42 * var-tracking.c: Include recog.h.
43 (bb_stack_adjust_offset): Remove.
44 (vt_stack_adjustments): Don't call it, instead just gather the
45 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
46 (adjust_stack_reference): Remove.
47 (compute_cfa_pointer): New function.
48 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
49 (struct adjust_mem_data): New type.
50 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
52 (get_address_mode): New function.
53 (replace_expr_with_values): Use it.
54 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
55 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
56 (adjust_sets): Remove.
57 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
59 (get_adjusted_src): Remove.
60 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
61 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
62 (add_with_sets): Don't call adjust_sets.
63 (fp_setter, vt_init_cfa_base): New functions.
64 (vt_initialize): Change return type to bool. Move most of pool etc.
65 initialization to the beginning of the function from end. Pass
66 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
67 If !frame_pointer_needed, call vt_stack_adjustment before mos
68 vector is filled, call vt_init_cfa_base if argp/framep has been
69 eliminated to sp. If frame_pointer_needed and argp/framep has
70 been eliminated to hard frame pointer, set
71 hard_frame_pointer_adjustment and call vt_init_cfa_base after
72 encountering fp setter in the prologue. For MO_ADJUST, call
73 log_op_type before pusing the op into mos vector, not afterwards.
74 Call adjust_insn before cselib_process_insn/add_with_sets,
75 call cancel_changes (0) afterwards.
76 (variable_tracking_main_1): Adjust for vt_initialize calling
77 vt_stack_adjustments and returning whether it succeeded or not.
79 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
81 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
84 2010-03-15 Jakub Jelinek <jakub@redhat.com>
86 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
88 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
89 drap_reg has not been set.
91 2010-03-15 Michael Matz <matz@suse.de>
94 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
95 use it to expand block copies.
96 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
97 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
98 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
100 2010-03-15 Richard Guenther <rguenther@suse.de>
102 PR tree-optimization/43367
103 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
106 2010-03-15 Richard Guenther <rguenther@suse.de>
108 PR tree-optimization/43317
109 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
111 2010-03-15 Martin Jambor <mjambor@suse.cz>
113 PR tree-optimization/43141
114 * tree-sra.c (create_abstract_origin): New function.
115 (modify_function): Call create_abstract_origin.
117 2010-03-15 Chris Demetriou <cgd@google.com>
119 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
122 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
125 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
126 call insert_out_of_ssa_copy for default definitions.
128 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
130 * graphite-clast-to-gimple.c (my_long_long): Defined.
131 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
132 * graphite-sese-to-poly.c (my_long_long): Defined.
133 (scop_ivs_can_be_represented): Use it.
135 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
137 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
138 graphite-max-bbs-per-function, and loop-block-tile-size.
139 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
141 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
143 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
145 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
147 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
148 (add_upper_bounds_from_estimated_nit): New.
149 (build_loop_iteration_domains): Use it.
151 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
153 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
155 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
158 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
159 should be an INTEGER_CST. Also handle CASE_CONVERT.
161 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
163 * graphite.c (graphite_initialize): To bound the number of bbs per
164 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
165 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
166 * doc/invoke.texi: Document it.
168 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
170 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
171 * graphite-sese-to-poly.h (build_poly_scop): Same.
173 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
175 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
176 the number of parameters in the scop. Use as an upper bound
177 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
178 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
179 * doc/invoke.texi: Document it.
181 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
183 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
184 * doc/c-tree.texi: Remove.
185 * doc/generic.texi: Merge c-tree.texi here.
186 * doc/gccint.texi (Trees): Remove menu entry.
187 (c-tree.texi): Remove @include.
188 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
189 * doc/languages.texi (Reading RTL): Ditto.
191 2010-03-12 Steve Ellcey <sje@cup.hp.com>
194 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
196 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
199 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
200 code added to work around reload clobbering CONST insns.
202 2010-03-12 Jakub Jelinek <jakub@redhat.com>
204 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
205 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
206 (cselib_preserve_only_values): Remove retain argument, don't
207 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
208 * cselib.h (cselib_preserve_only_values): Remove retain argument.
209 * var-tracking.c (micro_operation): Move insn field before union.
210 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
211 (struct variable_tracking_info_def): Remove n_mos field, change
212 mos into a vector of micro_operations.
213 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
214 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
215 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
216 changing into a vector.
217 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
218 come before all other uops generated by add_stores.
219 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
221 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
222 a vector. Run just one pass over the bbs instead of separate counting
223 and computation phase.
224 (vt_finalize): Free VTI (bb)->mos vector instead of array.
227 * tree-inline.c (remap_decls): Put old_var rather than origin_var
228 into *nonlocalized_list vector.
229 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
230 even if origin is non-NULL.
231 (gen_variable_die): Likewise.
232 (process_scope_var): Don't change origin.
233 (gen_decl_die): Likewise.
234 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
235 before adding new edges instead of after it, fix moving over
238 2010-03-11 David S. Miller <davem@davemloft.net>
240 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
242 * configure: Rebuild.
244 2010-03-11 Martin Jambor <mjambor@suse.cz>
246 PR tree-optimization/43257
247 * tree.c (assign_assembler_name_if_neeeded): New function.
248 (free_lang_data_in_cgraph): Assembler name assignment moved to the
250 * tree.h (assign_assembler_name_if_neeeded): Declare.
251 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
252 the function if needed.
254 2010-03-11 Chris Demetriou <cgd@google.com>
256 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
257 include/stdint-gcc.h, and include/stdint.h world-readable.
259 2010-03-11 Richard Guenther <rguenther@suse.de>
261 PR tree-optimization/43255
262 * tree-vrp.c (process_assert_insertions_for): Do not insert
263 asserts for trivial conditions.
265 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
267 PR tree-optimization/43280
268 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
269 generation. Move calculation of size out of the if branch.
270 (find_bswap): Modify compare number generation.
272 2010-03-11 Richard Guenther <rguenther@suse.de>
275 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
276 (input_gimple_stmt): Fixup handled component types during
277 operand read. Also fix up decls in ADDR_EXPRs.
279 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
281 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
282 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
284 2010-03-10 Jan Hubicka <jh@suse.cz>
287 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
288 * varasm.c (get_variable_section): Don't do that here...
289 (make_decl_rtl): ... and here.
290 (do_assemble_alias): Produce decl RTL.
291 (assemble_alias): Likewise.
293 2010-03-10 Jakub Jelinek <jakub@redhat.com>
296 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
297 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
299 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
300 (based_loc_descr): Only express drap or vdrap regno based expressions
301 using DW_OP_fbreg when not optimizing.
302 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
303 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
304 REG_CFA_SET_VDRAP note.
306 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
308 PR tree-optimization/43236
309 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
310 error in calculation of base address in reverse iteration case.
311 (generate_builtin): Take number of latch executions if the statement
314 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
317 * tree-eh.c: Include pointer-set.h.
318 (lower_eh_dispatch): Filter out duplicate case labels and
319 remove the unneeded edge when the label is unused. Return
320 true when some edges are removed.
321 (execute_lower_eh_dispatch): When any lowering resulted in
322 removing an edge, also delete unreachable blocks.
324 2010-03-10 Jakub Jelinek <jakub@redhat.com>
327 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
328 UNSPEC_MACHOPIC_OFFSET.
330 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
333 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
334 (m68k_delegitimize_address): New function.
336 2010-03-09 Jakub Jelinek <jakub@redhat.com>
339 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
342 * var-tracking.c (adjust_sets): New function.
343 (count_with_sets, add_with_sets): Use it.
344 (get_adjusted_src): New inline function.
345 (add_stores): Use it.
348 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
349 call cselib_dummy_expand_value_rtx_cb instead of
350 cselib_expand_value_rtx_cb.
353 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
354 * config/i386/i386.c: Include debug.h and dwarf2out.h.
355 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
356 and .cfi_endproc around the pic thunks.
357 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
358 all queued unwind info register saves are saved before the call.
359 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
360 considered as sp-=4 for unwind info and the pop as sp+=4 which
361 also clobbers dest, but doesn't actually restore it.
364 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
367 2010-03-09 Jie Zhang <jie@codesourcery.com>
369 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
370 whitespaces in output template.
372 2010-03-09 Jie Zhang <jie@codesourcery.com>
374 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
377 2010-03-08 Jakub Jelinek <jakub@redhat.com>
379 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
380 builtins.exp in a separate job.
382 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
384 * graphite-sese-to-poly.c (add_param_constraints): Use
385 lower_bound_in_type and upper_bound_in_type.
387 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
389 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
390 instead of unsigned_type_node.
392 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
393 Reza Yazdani <reza.yazdani@amd.com>
396 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
397 on pointer type parameters.
399 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
403 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
404 handle conversions from pointer to integers.
405 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
406 induction variable, to be able to work with code generated by CLooG.
407 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
408 (build_poly_scop): Bail out if we cannot codegen a loop.
410 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
412 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
413 code generation with gloog_error.
415 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
417 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
418 Call fold_convert on all the returned values.
419 (expand_scalar_variables_expr): Pass to
420 expand_scalar_variables_ssa_name the type of the resulting expression.
422 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
424 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
425 ppl_min_for_le_pointset.
426 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
427 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
429 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
431 * graphite-dependences.c (map_into_dep_poly): Removed.
432 (dependence_polyhedron_1): Use combine_context_id_scat.
434 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
436 * graphite-poly.h (struct poly_scattering): Add layout documentation.
437 (struct poly_bb): Same.
438 (combine_context_id_scat): New.
440 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
443 * sese.c (name_defined_in_loop_p): Return false for default
446 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
448 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
449 and clean up the logic.
451 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
453 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
456 2010-03-08 Jakub Jelinek <jakub@redhat.com>
458 * var-tracking.c (remove_cselib_value_chains): Define only for
460 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
461 delete_slot_part, emit_notes_for_differences_1): Don't call
462 remove_cselib_value_chains here.
463 (set_slot_part, emit_notes_for_differences_2): Don't call
464 add_cselib_value_chains here.
465 (preserved_values): New vector.
466 (preserve_value): New function.
467 (add_uses, add_stores, vt_add_function_parameters): Use it
468 instead of cselib_preserve_value.
469 (changed_values_stack): New vector.
470 (check_changed_vars_0): New function.
471 (check_changed_vars_1, check_changed_vars_2): Use it.
472 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
473 changed_values_stack VALUEs.
474 (vt_emit_notes): For all preserved_values call
475 add_cselib_value_chains. If ENABLE_CHECKING call
476 remove_cselib_value_chains before verifying value_chains is empty.
477 Initialize and free changed_values_stack.
478 (vt_initialize): Initialize preserved_values.
479 (vt_finalize): Free preserved_values.
481 2010-03-08 Richard Guenther <rguenther@suse.de>
483 PR tree-optimization/43269
484 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
487 2010-03-08 Martin Jambor <mjambor@suse.cz>
489 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
490 (ipa_is_param_called): Removed.
491 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
492 (ipa_print_node_params): Do not print the called flag.
493 (ipa_write_node_info): Do not stream the called flag.
494 (ipa_read_node_info): Likewise.
496 2010-03-07 Jakub Jelinek <jakub@redhat.com>
499 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
500 * cselib.c (struct expand_value_data): Add dummy field.
501 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
503 (cselib_dummy_expand_value_rtx_cb): New function.
504 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
506 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
507 * var-tracking.c: Include pointer-set.h.
508 (variable): Change n_var_parts to char from int. Add
509 cur_loc_changed and in_changed_variables fields.
510 (variable_canonicalize): Remove.
511 (shared_var_p): New inline function.
512 (unshare_variable): Maintain cur_loc_changed and
513 in_changed_variables fields. If var was in changed_variables,
514 replace it there with new_var. Just copy cur_loc instead of
515 resetting it to something else.
516 (variable_union): Don't recompute cur_loc. Use shared_var_p.
517 (dataflow_set_union): Don't call variable_canonicalize.
518 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
519 of their DEBUG_EXPR_TREE_DECLs.
520 (canonicalize_loc_order_check): Verify that cur_loc is NULL
521 and in_changed_variables and cur_loc_changed is false.
522 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
523 and cur_loc_changed. Don't update cur_loc here.
524 (variable_merge_over_src): Don't call variable_canonicalize.
525 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
526 removing loc that is equal to cur_loc, clear cur_loc,
527 set cur_loc_changed and ensure variable_was_changed is called.
528 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
529 compare pointers in cur_loc check, if it is equal to loc,
530 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
531 (variable_different_p): Remove compare_current_location argument,
532 don't compare cur_loc.
533 (dataflow_set_different_1): Adjust variable_different_p caller.
534 (variable_was_changed): If dv had some var in changed_variables
535 already, reset in_changed_variables flag for it and propagate
536 cur_loc_changed over to the new variable. On empty var
537 always set cur_loc_changed. Set in_changed_variables on whatever
538 var is added to changed_variables.
539 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
540 Use shared_var_p. When removing loc that is equal to cur_loc,
541 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
542 end, don't set it to something else, just call variable_was_changed.
543 (delete_slot_part): Use shared_var_p. When cur_loc equals to
544 loc being removed, clear cur_loc and set cur_loc_changed.
545 Set cur_loc_changed if all locations have been removed.
546 (struct expand_loc_callback_data): New type.
547 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
548 allocated. Always create SUBREGs if simplify_subreg failed.
549 Prefer to use cur_loc, when that fails and still in
550 changed_variables (and seen first time) recompute it. Set
551 cur_loc_changed of variables which had to change cur_loc and
552 compute elcd->cur_loc_changed if any of the subexpressions used
553 had to change cur_loc.
554 (vt_expand_loc): Adjust to pass arguments in
555 expand_loc_callback_data structure.
556 (vt_expand_loc_dummy): New function.
557 (emitted_notes): New variable.
558 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
559 that weren't used for any other decl in current
560 emit_notes_for_changes call call vt_expand_loc_dummy to update
561 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
562 first loc_chain location if NULL before. Always use just
563 cur_loc instead of first loc_chain location. When cur_loc_changed
564 is false, when not --enable-checking=rtl just don't emit any note.
565 When rtl checking, compute the note and assert it is the same
566 as previous note. Clear cur_loc_changed and in_changed_variables
567 at the end before removing from changed_variables.
568 (check_changed_vars_3): New function.
569 (emit_notes_for_changes): Traverse changed_vars to call
570 check_changed_vars_3 on each changed var.
571 (emit_notes_for_differences_1): Clear cur_loc_changed and
572 in_changed_variables. Recompute cur_loc of new_var.
573 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
574 (vt_emit_notes): Initialize and destroy emitted_notes.
576 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
578 PR rtl-optimization/42220
579 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
580 Use verify_reg_tracked to determine if we should use OP_OUT rather
582 (build_def_use): If we see an in-out operand for a register that we
583 know nothing about, treat is an output if possible, fail the block if
586 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
589 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
592 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
595 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
596 uses of relevant DEFs that are dead outside the loop too.
598 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
600 * var-tracking.c (dataflow_set_merge): Swap src and src2.
602 2010-01-13 Jakub Jelinek <jakub@redhat.com>
604 * var-tracking.c (values_to_unmark): New variable.
605 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
606 values_to_unmark vector. Moved body to...
607 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
608 instead queue it into values_to_unmark vector.
609 (vt_find_locations): Free values_to_unmark vector.
611 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
613 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
614 (site.exp): Export them when plugins are enabled.
616 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
619 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
621 (chrec_fold_multiply): Same.
623 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
626 * c-decl.c (build_compound_literal): Return early if init is
629 2010-03-04 Martin Jambor <mjambor@suse.cz>
631 PR tree-optimization/43164
632 PR tree-optimization/43191
633 * tree-sra.c (type_consists_of_records_p): Reject records with
634 zero-size bit-fields at the end.
636 2010-03-04 Mike Stump <mikestump@comcast.net>
638 * Makefile.in (TAGS): Remove *.y.
640 2010-03-04 Richard Guenther <rguenther@suse.de>
642 PR tree-optimization/40761
643 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
645 (my_rev_post_order_compute): New function.
648 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
651 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
652 decrease the cost of an IV candidate when the cost is infinite.
654 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
656 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
657 Use '3DNow!' for the extension of that name, ensure normal space
659 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
661 2010-03-03 Jeff Law <law@redhat.com>
663 * PR middle-end/32693
664 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
666 (extract_bit_field_1): Likewise.
668 2010-03-03 Janis Johnson <janis187@us.ibm.com>
670 * doc/sourcebuild.texi (Test directives): Document that arguments
671 include-opts and exclude-opts are now optional for dg-skip-if,
672 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
674 2010-03-03 Jason Merrill <jason@redhat.com>
677 * cgraph.h (varpool_node): Add extra_name field.
678 * varpool.c (varpool_extra_name_alias): New.
679 (varpool_assemble_decl): Emit extra name aliases.
680 (varpool_mark_needed_node): Look past an extra name alias.
681 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
682 * lto-streamer-in.c (lto_input_tree): Read it.
683 * lto-streamer-out.c (output_unreferenced_globals): Write it.
685 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
687 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
688 (sparc*-*-solaris2*): ...this.
690 2010-03-03 Jakub Jelinek <jakub@redhat.com>
693 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
694 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
695 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
696 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
699 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
700 fallthrough to default handling, just with want_address 0 instead of 2.
701 For single element lists, add_AT_loc directly, otherwise create an
702 artificial variable DIE and stick location list to it.
705 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
706 (VAL_EXPR_HAS_REVERSE): Define.
707 (reverse_op): New function.
708 (add_stores): For reversible operations add an extra MO_VAL_USE.
710 2010-03-02 Jason Merrill <jason@redhat.com>
712 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
714 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
716 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
717 (sparc64-*-linux*): Likewise.
718 (sparc64-*-solaris2*): Include assembler files before linker ones.
719 (sparc-*-solaris2*): Simplify and reorder to match previous case.
720 * config/sparc/gas.h: Delete.
721 * config/sparc/sol2-64.h: Add copyright notice.
722 * config/sparc/sol2-gas-bi.h: Likewise.
723 * config/sparc/sol2-gld.h: Likewise.
724 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
725 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
726 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
727 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
728 (sparc_elf_asm_named_section): Rename into...
729 (sparc_solaris_elf_asm_named_section): ...this. Always define.
731 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
733 * config/alpha/alpha.c (override_options): Fix -mtune error message.
735 2010-03-02 Jeff Law <law@redhat.com>
738 * reload1.c (rtx_p, substitute_stack): Declare.
739 (substitute): Record addresses of changed rtxs.
740 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
741 Restore the original rtx when complete.
742 (reload): Free subsitute_stack when complete.
744 2010-03-02 Janis Johnson <janis187@us.ibm.com>
746 * doc/gccint.texi (menu): Add Testsuites as a chapter.
747 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
749 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
750 LTO Testing, gcov Testing, profopt Testing, compat Testing,
751 Torture Tests): Change from subsection to section.
753 2010-03-02 Jakub Jelinek <jakub@redhat.com>
754 Steven Bosscher <steven@gcc.gnu.org>
756 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
759 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
762 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
763 the assignment from the new induction variable to the assignment
764 of the value from the original loop PHI function.
766 2010-03-01 Janis Johnson <janis187@us.ibm.com>
767 Daniel Jacobowitz <dan@codesourcery.com>
769 * doc/sourcebuild.texi (Test directives): Clarify options to
772 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
774 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
775 Disable cfi directives unless GCC and gas agree on using read-only
776 .eh_frame sections for 64-bit.
777 * configure: Regenerate.
779 2010-03-01 Richard Guenther <rguenther@suse.de>
781 PR tree-optimization/43220
782 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
783 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
785 2010-03-01 Richard Guenther <rguenther@suse.de>
786 Martin Jambor <mjambor@suse.cz>
789 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
790 gimplified parameters.
792 2010-03-01 Christian Bruel <christian.bruel@st.com>
794 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
796 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
798 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
800 2010-03-01 Richard Guenther <rguenther@suse.de>
803 * expr.c (expand_assignment): Use the alias-oracle to tell
804 if the rhs aliases the result decl.
806 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
809 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
810 to sol_gt_pch_get_address.
811 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
812 64-bit, SPARC and x86.
813 (sol_gt_pch_get_address): New function.
815 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
817 * toplev.h (inform_n, error_n): Declare.
818 * diagnostic.c (inform_n, error_n): New function.
820 2010-03-01 Jakub Jelinek <jakub@redhat.com>
822 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
823 has no rtl yet when processing local_decls, queue it and recheck
824 if deferred stack allocation hasn't assigned it rtl.
826 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
828 * config/sh/sh.c (unspec_bbr_uid): New.
829 (gen_block_redirect): Use it instead of INSN_UID.
830 (gen_far_branch): Likewise.
832 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
834 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
835 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
837 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
839 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
840 (Warning Options): -Wno-conversion-null is valid for
841 Objective-C++ as well.
842 * doc/tm.texi (Named Address Spaces): Likewise.
843 * doc/plugins.texi (Plugins): Replace TABs with spaces.
844 * doc/tree-ssa.texi (Tree SSA): Likewise.
846 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
849 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
850 by default. Don't set the default arch for
851 i[34567]86-*-darwin*|x86_64-*-darwin*.
853 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
856 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
857 default. Set the default 32bit/64bit archs with $with_arch
858 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
860 2010-02-27 Richard Guenther <rguenther@suse.de>
862 PR tree-optimization/43186
863 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
864 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
865 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
868 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
870 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
871 required and i[34567]86-*-* targets don't support 64bit ISA.
873 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
876 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
879 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
881 * config.gcc: Set the default arch at least to Prescott for
882 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
883 if SSE math is enabled.
885 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
887 * diagnostic.c (diagnostic_initialize): Update.
888 (diagnostic_report_diagnostic): Test inhibit_notes_p for
890 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
891 (diagnostic_inhibit_notes): New.
892 * toplev.c (process_options): inhibit notes with -fcompare-debug.
894 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
897 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
898 * doc/standards.texi: Likewise.
899 * doc/extend.texi: Likewise.
900 * doc/trouble.texi: Likewise.
901 * doc/cppopts.texi: Likewise.
902 * doc/install.texi: Likewise.
903 * c.opt (std=c90,std=gnu90): New options.
904 * c-opts.c (c_common_handle_option): Handle them.
906 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
909 * c-decl.c (undeclared_variable): Use an informative note.
911 2010-02-26 Richard Guenther <rguenther@suse.de>
913 PR tree-optimization/43186
914 * gimple.h (gimple_fold): Remove.
915 * gimple.c (gimple_fold): Remove. Inline into single user ...
916 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
917 Try harder for conditions.
919 2010-02-26 Jakub Jelinek <jakub@redhat.com>
922 * function.c (used_types_insert): Don't skip through named pointer
923 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
924 and it is different from the main variant's type.
926 2010-02-26 Nick Clifton <nickc@redhat.com>
928 * config/rx/rx.md (sminsi3): Remove bogus alternative.
930 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
932 * config.gcc: Support --with-fpmath=sse for x86.
934 * config/i386/ssemath.h: New.
936 * doc/install.texi (--with-fpmath=sse): Documented.
938 2010-02-26 Richard Guenther <rguenther@suse.de>
940 PR tree-optimization/43188
941 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
942 vector types of over-aligned element type.
944 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
947 * config/i386/i386.c (expand_vec_perm_blend): Use correct
948 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
950 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
952 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
954 2010-02-26 Jakub Jelinek <jakub@redhat.com>
956 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
957 * var-tracking.c: Include diagnostic.h.
958 (debug_dv): New function.
959 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
962 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
963 (add_value_chain, add_value_chains, remove_value_chain,
964 remove_value_chains): Handle DEBUG_EXPRs.
965 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
968 * regcprop.c (struct queued_debug_insn_change): New type.
969 (struct value_data_entry): Add debug_insn_changes field.
970 (struct value_data): Add n_debug_insn_changes field.
971 (debug_insn_changes_pool): New variable.
972 (free_debug_insn_changes, apply_debug_insn_changes,
973 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
974 (kill_value_one_regno): Call free_debug_insn_changes if needed.
975 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
977 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
979 (copyprop_hardreg_forward_1): Don't call apply_change_group for
980 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
981 changes, call cprop_find_used_regs via note_stores.
982 (copyprop_hardreg_forward): When copying vd from predecessor
983 which has any queued DEBUG_INSN changes, make sure the pointers are
984 cleared. At the end call df_analyze and then if there are any
985 DEBUG_INSN changes queued at the end of some basic block for still
986 live registers, apply them.
987 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
989 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
991 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
994 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
996 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
997 targets. Set the default with_cpu/with_arch from arch/cpu.
998 Allow x86-64 and native for with_cpu/with_arch.
1000 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1002 * ebitmap.c: Change calls to verify_popcount with calls to
1003 sbitmap_verify_popcount.
1004 (ebitmap_clear_bit): Fixed map->cacheindex test and
1005 map>cache update when bit clearing results in an empty
1008 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1011 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1012 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1013 and support both V2DF and V2DI modes.
1014 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1015 support both V2DF and V2DI modes.
1016 (general): Delete trailing whitespace from a few patterns.
1018 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1019 V2DF/V2DI interleave high/low builtins.
1021 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1024 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1025 interleave high/low functions.
1027 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1029 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1030 #pragma extern_prefix.
1032 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1035 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1036 BLKmode, assert op0 is a MEM and just adjust its mode.
1039 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1040 if bitpos isn't multiple of mode's bitsize.
1042 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1044 * c.opt (-ftemplate-depth=): New.
1045 (-ftemplate-depth-): Deprecate.
1046 * optc-gen.awk: Handle -ftemplate-depth=.
1047 * opth-gen.awk: Likewise.
1048 * c-opts.c (c_common_handle_option): Likewise.
1049 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1051 2010-02-24 Jason Merrill <jason@redhat.com>
1053 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1055 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1057 * cfg.c (alloc_aux_for_block): Remove inline.
1058 (alloc_aux_for_edge): Likewise.
1060 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1062 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1064 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1066 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1067 * config/i386/sol2-gas.h: New file.
1068 * config.gcc (i[34567]86-*-solaris2*): Use it.
1070 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1073 * c-typeck.c (ep_convert_and_check): New.
1074 (build_conditional_expr): Use it.
1075 (build_binary_op): Likewise.
1077 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1079 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1082 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1083 bounds even for -O+.
1084 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1085 expr needs to have DECL_NAME set.
1087 2010-02-24 Nick Clifton <nickc@redhat.com>
1089 * config/mep/mep.c: Include gimple.h.
1090 (mep_function_uses_sp): Delete unused function.
1091 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1092 parameters. Use unsigned integers to count args. Return a
1093 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1095 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1098 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1099 greater or equal to nelt instead of 2 * nelt.
1100 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1103 2010-02-23 Jason Merrill <jason@redhat.com>
1106 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1107 in cfun->local_decls even if they have register types.
1110 * stor-layout.c (place_field): Don't warn about unnecessary
1111 DECL_PACKED if the type is packed.
1113 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1116 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1117 GOTOFF relocs, even when the base reg isn't pic pointer.
1119 2010-02-23 Michael Matz <matz@suse.de>
1122 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1123 (expand_gimple_basic_block): Generate and use debug temps if there
1124 are debug uses left after the last real use of TERed ssa names.
1125 Unlink debug immediate uses when they are expanded.
1127 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1130 * config/i386/i386.c (override_options): Reorganise to provide
1131 better error messages.
1133 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1136 * graphite-scop-detection.c (create_single_exit_edge): Move
1137 the call to find_single_exit_edge to....
1138 (create_sese_edges): ...here. Don't handle multiple edges
1139 exiting the function.
1140 (build_graphite_scops): Don't handle multiple edges
1141 exiting the function.
1143 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1146 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1147 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1149 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1152 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1154 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1157 * c-typeck.c (convert_arguments): Print declaration location.
1158 * c-common.c (validate_nargs): Rename as
1159 builtin_function_validate_nargs.
1160 (check_builtin_function_arguments): Update.
1162 2010-02-22 Richard Guenther <rguenther@suse.de>
1165 * tree-inline.c (declare_return_variable): Use the type of
1166 the call stmt lhs if available.
1168 2010-02-22 Duncan Sands <baldrick@free.fr>
1170 * passes.c (register_pass): Always consider all pass lists when
1171 ref_pass_instance_number is zero.
1173 2010-02-22 Richard Guenther <rguenther@suse.de>
1175 PR tree-optimization/42749
1176 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1177 parameter. Do arithmetic in the original type.
1178 (update_accumulator_with_ops): Likewise.
1179 (adjust_accumulator_values): Adjust.
1181 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1183 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1184 (QI to BLKmode splitter): New splitter.
1186 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1188 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1189 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1191 2010-02-22 Richard Guenther <rguenther@suse.de>
1193 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1195 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1197 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1198 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1199 ($(T)crti.o, $(T)crtn.o): Remove rules.
1201 2010-02-21 Tobias Burnus <burnus@net-b.de>
1204 * doc/invoke.texi (-fassociative-math): Document that this
1205 option is automatically enabled for Fortran.
1207 2010-02-20 David S. Miller <davem@davemloft.net>
1209 * configure.ac: Test if linker and assembler properly support
1210 GOTDATA_OP relocations.
1211 * configure: Rebuild.
1212 * config.in: Likewise.
1213 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1214 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1215 (movsi_high_pic): Likewise.
1216 (movdi_lo_sum_pic): Likewise.
1217 (movdi_high_pic): Likewise.
1218 (movsi_pic_gotdata_op): New pattern.
1219 (movdi_pic_gotdata_op): Likewise.
1220 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1221 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1223 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1226 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1227 attribute to ssemul.
1228 (xop_mulv2div2di3_high): Ditto.
1230 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1233 * c.opt (Wconversion-null): New option.
1234 * doc/invoke.texi (Wconversion-null): Document.
1236 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1238 * common.opt (Wlarger-than-): Add Undocumented.
1240 2010-02-19 Mike Stump <mikestump@comcast.net>
1242 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1244 2010-02-19 Jason Merrill <jason@redhat.com>
1247 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1248 * configure: Likewise.
1250 2010-02-20 Alan Modra <amodra@gmail.com>
1253 * cgraph.h (cgraph_make_decl_local): Declare.
1254 * cgraph.c (cgraph_make_decl_local): New function.
1255 (cgraph_make_node_local): Use it.
1256 * cgraphunit.c (cgraph_function_versioning): Likewise.
1257 * ipa.c (function_and_variable_visibility): Likewise.
1259 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1262 * except.c (sjlj_emit_function_enter): Don't call
1263 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1265 * rtl.h (add_reg_br_prob_note): Remove prototype.
1267 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1270 * c-common.c (conversion_warning): Remove widening conversions
1271 before checking the conversion of integers to reals.
1273 2010-02-19 Mike Stump <mikestump@comcast.net>
1276 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1279 * cgraphunit.c (process_function_and_variable_attributes): Check
1280 DECL_PRESERVE_P instead of looking up attribute "used".
1281 * ipa-pure-const.c (check_decl): Likewise.
1282 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1283 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1284 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1285 instead of attribute "used".
1286 * config/sol2-c.c (solaris_pragma_init): Likewise.
1287 (solaris_pragma_fini): Likewise.
1289 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1291 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1292 Use XCNEW instead of xcalloc.
1293 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1294 XNEW instead of xmalloc.
1295 (get_fields): Use XNEWVEC instead of xmalloc.
1298 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1299 populate vars array.
1300 (create_new_general_access): For debug stmts just reset value.
1301 (get_stmt_accesses): For accesses within debug stmts just record them
1302 using add_access_to_acc_sites instead of preventing the peeling or
1303 counting them as accesses.
1306 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1308 2010-02-19 Richard Guenther <rguenther@suse.de>
1310 PR tree-optimization/42916
1311 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1314 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1316 * configure.ac: Replace all uses of changequote in macro arguments
1317 with proper quoting.
1319 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1322 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1324 2010-02-19 Richard Guenther <rguenther@suse.de>
1326 PR tree-optimization/42944
1327 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1328 test for aliasing with errno.
1330 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1333 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1334 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1335 * dojump.c: Include output.h.
1336 (inv): New inline function.
1337 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1338 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1339 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1340 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1341 argument, pass it down to other calls.
1342 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1343 add REG_BR_PROB note to the conditional jump.
1344 * cfgexpand.c (add_reg_br_prob_note): Removed.
1345 (expand_gimple_cond): Don't call it, add the probability
1346 as last argument to jumpif_1/jumpifnot_1.
1347 * Makefile.in (dojump.o): Depend on output.h.
1348 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1350 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1351 * stmt.c (do_jump_if_equal): Likewise.
1352 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1353 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1354 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1356 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1357 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1358 jumpifnot_1 callers.
1359 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1361 (store_expr): Adjust jumpifnot caller.
1362 (store_constructor): Adjust jumpif caller.
1365 * gimplify.c (gimple_boolify): For __builtin_expect call
1366 gimple_boolify also on its first argument.
1368 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1370 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1372 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1373 * configure: Regenerated.
1375 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1377 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1378 lang_hooks.types_compatible_p instead of comptypes.
1380 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1382 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1383 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1384 if __prefer_thumb__ is defined.
1386 2010-02-18 Martin Jambor <mjambor@suse.cz>
1388 PR tree-optimization/43066
1389 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1390 array with zero-sized element type.
1392 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1394 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1395 rtx, allocate struct var_loc_node here and return it to the
1396 caller, and only if it is actually needed.
1397 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1398 move it earlier and return immediately if it returns NULL.
1400 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1402 * config/sparc/gas.h: New file. Restore
1403 TARGET_ASM_NAMED_SECTION to its ELF default.
1404 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1406 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1407 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1408 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1409 after sparc/sysv4.h.
1411 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1413 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1415 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1417 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1418 patterns from predicated pattern.
1420 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1423 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1424 for insn mnemonic suffix.
1426 2010-02-17 Richard Guenther <rguenther@suse.de>
1428 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1431 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1434 * caller-save.c (save_call_clobbered_regs): If BB ends with
1435 a DEBUG_INSN, move any notes in between last real insn and the last
1436 DEBUG_INSN after the last DEBUG_INSN.
1438 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1440 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1441 Fix return type. Fix argument type. Explain meaning of return value.
1443 2010-02-16 Richard Guenther <rguenther@suse.de>
1445 PR tree-optimization/41043
1446 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1447 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1449 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1451 2010-02-16 Ira Rosen <irar@il.ibm.com>
1453 PR tree-optimization/43074
1454 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1455 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1456 vectorizable cycles in hybrid SLP check.
1457 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1459 2010-02-16 Richard Guenther <rguenther@suse.de>
1461 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1462 (true_dependence): If memrefs_conflict_p computes must-alias
1463 trust it. Move TBAA check after offset-based disambiguation.
1464 (canon_true_dependence): Likewise.
1466 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1468 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1469 * doc/invoke.texi: Document it.
1470 * var-tracking.c: Include toplev.h and params.h.
1471 (vt_find_locations): Return bool indicating success. Compute
1472 hash sizes unconditionally. Check new parameter, report.
1473 (variable_tracking_main_1): Check vt_find_locations results and
1474 retry. Renamed from...
1475 (variable_tracking_main): ... this. New wrapper to preserve
1476 flag_var_tracking_assignments.
1477 * Makefile.in (var-tracking.o): Adjust dependencies.
1479 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1480 Jakub Jelinek <jakub@redhat.com>
1483 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1484 if weak_import attribute is present.
1485 * config/darwin.c (machopic_select_section): Likewise.
1487 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1489 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1490 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1491 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1492 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1494 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
1497 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1500 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1501 Rewrite text to refer to the names.
1503 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1505 * config/i386/i386-builtin-types.def
1506 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1507 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1508 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1509 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1510 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1511 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1512 IX86_BUILTIN_VPERMIL2PS256.
1513 (MULTI_ARG_4_DF2_DI_I): Defined.
1514 (MULTI_ARG_4_DF2_DI_I1): Defined.
1515 (MULTI_ARG_4_SF2_SI_I): Defined.
1516 (MULTI_ARG_4_SF2_SI_I1): Defined.
1517 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1518 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1519 __builtin_ia32_vpermil2ps256.
1520 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1521 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1522 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1523 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1524 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1525 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1526 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1527 CODE_FOR_xop_vpermil2v8sf3.
1528 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1529 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1530 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1531 (_mm256_permute2_pd): New.
1532 (_mm_permute2_ps): New.
1533 (_mm256_permute2_ps): New.
1535 2010-02-15 Nick Clifton <nickc@redhat.com>
1537 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
1538 boolean parameters. Use emit_jump_insn when emitting a pop
1539 instruction containing a return insn.
1540 (push): Use 'true' rather than '1' as second parameter to F.
1541 (h8300_expand_prologue): Likewise.
1542 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1543 (h8300_expand_epilogue): Likewise.
1545 2010-02-15 Richard Guenther <rguenther@suse.de>
1548 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1551 2010-02-15 Nick Clifton <nickc@redhat.com>
1553 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1556 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1558 * intl.c (fake_ngettext): New function.
1559 * intl.h (fake_ngettext): Declare.
1560 (ngettext): Define macro.
1561 * collect2.c (notice_translated): New function.
1562 (main): Use notice_translated and ngettext.
1563 * collect2.h (notice_translated): Declare.
1565 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1567 * reorg.c (delete_computation): Comment fixes.
1568 * caller-save.c (setup_save_areas): Idem.
1569 * sel-sched-dump.c (dump_lv_set): Idem.
1572 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1574 * config/s390/s390.c (s390_sched_init): New function.
1575 (TARGET_SCHED_INIT): Target hook defined.
1577 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1578 Jack Howarth <howarth@bromo.med.uc.edu>
1579 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1582 Partial revert of unintended change in fix for PR41605.
1583 * config/darwin.h: Fix typo.
1584 * config/darwin9.h: Same.
1586 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1588 * c-pch.c (pch_init): Clear v.
1590 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1593 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1594 graphite_can_represent_init for MULT_EXPR.
1596 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1600 * graphite-sese-to-poly.c (remove_phi): New.
1601 (translate_scalar_reduction_to_array): Call remove_phi.
1603 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1606 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1607 * graphite-clast-to-gimple.h (gloog): Update declaration.
1608 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1609 * graphite-poly.h (struct poly_bb): Add missing comments.
1610 (struct scop): Add poly_scop_p field.
1612 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1613 * graphite.c (graphite_transform_loops): Build the polyhedral
1614 representation for each scop before code generation.
1615 * sese.c (rename_variables_in_operand): Removed.
1616 (rename_variables_in_expr): Return the renamed expression.
1617 (rename_sese_parameters): New.
1618 * sese.h (rename_sese_parameters): Declared.
1620 2010-02-11 Richard Guenther <rguenther@suse.de>
1622 PR tree-optimization/42998
1623 * tree-ssa-pre.c (create_expression_by_pieces): Treat
1624 POINTER_PLUS_EXPR properly.
1626 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1627 Changpeng Fang <changpeng.fang@amd.com>
1630 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
1631 the cost of an IV candidate when the IV is used in a test against zero.
1633 * gcc.dg/tree-ssa/ivopts-3.c: New.
1635 2010-02-11 Richard Guenther <rguenther@suse.de>
1638 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
1639 pointer-vs-decl case by swapping refs. Handle some cases
1640 of pointer-vs-decl disambiguations more conservatively.
1641 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
1642 to false after expanding.
1644 2010-02-11 Richard Guenther <rguenther@suse.de>
1647 * gcc.c (process_command): Handle LTO file@offset case more
1650 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1652 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1653 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1655 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1657 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1658 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1659 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1660 Optimize eq/ne comparisons when both arguments are known to be
1662 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1663 Don't mask operands unnecessarily if they are known to be already
1666 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1668 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1671 2010-02-10 Richard Guenther <rguenther@suse.de>
1673 PR tree-optimization/43017
1674 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1675 for wrapping signed arithmetic.
1677 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1680 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1681 if no debug info should be emitted for it.
1683 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1685 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1686 note when flag_exceptions is set.
1688 2010-02-10 Duncan Sands <baldrick@free.fr>
1690 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1692 2010-02-10 Richard Guenther <rguenther@suse.de>
1695 * tree.c (get_unwidened): Handle constants.
1696 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1698 2010-02-10 Martin Jambor <mjambor@suse.cz>
1701 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1702 check for variable argument counts independently.
1704 2010-02-10 Christian Bruel <christian.bruel@st.com>
1707 * config/sh/sh.c (find_barrier): Increase length for non delayed
1708 conditional branches.
1710 2010-02-10 Christian Bruel <christian.bruel@st.com>
1712 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1714 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1716 * builtins.c (set_builtin_user_assembler_name): Also handle
1717 ffs if int is smaller than word.
1719 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1722 * ira-conflicts.c (get_dup): Remove.
1723 (process_reg_shuffles): Add new parameter. Use it as an
1724 additional guard for copy generation.
1725 (add_insn_allocno_copies): Rewrite.
1727 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1729 * common.opt (fsched2-use-traces): Preserved for backward
1731 * doc/invoke.texi: Remove the documentation about option
1732 -fsched2-use-traces.
1733 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1734 flag_sched2_use_traces.
1735 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1736 the backward compatibility flag section.
1738 2010-02-09 Richard Guenther <rguenther@suse.de>
1740 PR tree-optimization/43008
1741 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1742 make HEAP variables initialized from global memory if they
1743 are not known builtin functions.
1744 (find_func_aliases): Adjust.
1746 2010-02-09 Richard Guenther <rguenther@suse.de>
1748 PR tree-optimization/43000
1749 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1750 arithmetic manually.
1752 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1754 PR tree-optimization/42931
1755 * tree-loop-linear.c (try_interchange_loops): Don't call
1756 double_int_mul if estimated_loop_iterations failed.
1758 2010-02-08 Martin Jambor <mjambor@suse.cz>
1761 * tree-sra.c (build_accesses_from_assign): Do not mark in
1762 should_scalarize_away_bitmap if stmt has volatile ops.
1763 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1766 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1768 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1770 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1772 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1775 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1778 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1780 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1783 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1784 to unknown_dependence.
1785 (graphite_legal_transform_dr): Handle the unknown_dependence.
1786 (graphite_carried_dependence_level_k): Same.
1788 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1790 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1792 2010-02-07 Richard Guenther <rguenther@suse.de>
1795 * expr.c (get_inner_reference): Always initialize *pbitsize.
1797 2010-02-07 Richard Guenther <rguenther@suse.de>
1800 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1801 new ARRAY_REFs on variable size element or minimal index arrays.
1803 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1804 gimple_fold_indirect_ref.
1806 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1809 * arm.c (arm_override_options): Just return if the user has specified
1810 an invalid fpu name.
1812 2010-02-03 Jason Merrill <jason@redhat.com>
1815 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1816 i386_pe_maybe_record_exported_symbol.
1818 2010-02-05 Steve Ellcey <sje@cup.hp.com>
1821 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1822 (pa_delegitimize_address): New function.
1824 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
1826 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
1827 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
1829 2010-02-05 Richard Guenther <rguenther@suse.de>
1832 * lto-streamer-in.c (get_resolution): Deal with references
1833 to undefined functions.
1835 2010-02-05 Richard Guenther <rguenther@suse.de>
1837 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
1838 (fold_const_aggregate_ref): Likewise.
1839 (ccp_fold_stmt): Substitute loads.
1840 (maybe_fold_reference): Verify types before substituting.
1842 (fold_gimple_assign): Unshare properly.
1843 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
1845 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
1847 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
1848 for rs6000_gen_cell_microcode.
1850 2010-02-04 Richard Guenther <rguenther@suse.de>
1852 PR rtl-optimization/42952
1853 * dse.c (const_or_frame_p): Remove MEM handling.
1855 2010-02-04 Nick Clifton <nickc@redhat.com>
1857 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
1858 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
1859 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
1860 (mn10300_asm_output_mi_thunk): New function.
1861 (mn10300_can_output_mu_thunk): New function.
1862 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
1863 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
1864 (FUNCTION_ARG): Delete incorrect comment.
1866 2010-02-03 Jason Merrill <jason@redhat.com>
1869 * fold-const.c (operand_equal_p): Handle erroneous types.
1871 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1873 * config/h8300/h8300.md (can_delay): Fix attibute condition.
1875 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
1877 PR rtl-optimization/42941
1878 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
1881 2010-02-03 Jason Merrill <jason@redhat.com>
1884 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
1886 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
1889 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
1890 (cselib_reset_table): Renamed from...
1891 (cselib_reset_table_with_next_value): ... this.
1892 (cselib_get_next_uid): Renamed from...
1893 (cselib_get_next_unknown_value): ... this.
1894 * cselib.c (next_uid): Renamed from...
1895 (next_unknown_value): ... this.
1896 (cselib_clear_table): Adjust.
1897 (cselib_reset_table): Adjust. Renamed from...
1898 (cselib_reset_table_with_next_value): ... this.
1899 (cselib_get_next_uid): Adjust. Renamed from...
1900 (cselib_get_next_unknown_value): ... this.
1901 (get_value_hash): Use hash.
1902 (cselib_hash_rtx): Likewise.
1903 (new_cselib_val): Adjust. Set and dump uid.
1904 (cselib_lookup_mem): Pass next_uid as hash.
1905 (cselib_subst_to_values): Likewise.
1906 (cselib_log_lookup): Dump uid.
1907 (cselib_lookup): Pass next_uid as hash. Adjust.
1908 (cselib_process_insn): Adjust.
1909 (cselib_init): Initialize next_uid.
1910 (cselib_finish): Adjust.
1911 (dump_cselib_table): Likewise.
1912 * dse.c (canon_address): Dump value uid.
1913 * print-rtl.c (print_rtx): Print value uid.
1914 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
1916 (dv_uid): New function, sort of renamed from...
1917 (dv_htab_hash): ... this, reimplemented in terms of it and...
1918 (dv_uid2hash): ... this. New.
1919 (variable_htab_eq): Drop excess assertions.
1920 (tie_break_pointers): Removed.
1921 (canon_value_cmp): Compare uids.
1922 (variable_post_merge_New_vals): Print uids.
1923 (vt_add_function_parameters): Adjust.
1924 (vt_initialize): Reset table. Adjust.
1926 2010-02-03 Richard Guenther <rguenther@suse.de>
1928 PR tree-optimization/42944
1929 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
1930 (call_may_clobber_ref_p_1): Likewise. Properly handle
1931 malloc and calloc clobbering errno.
1933 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
1935 * doc/invoke.texi: Fix name of sched1 dump.
1937 * opts.c (decode_options): Set flag_tree_switch_conversion
1938 only conditionally on optimize >= 2.
1940 * gcse.c: Assorted comment fixes in pass description.
1942 2010-02-03 Anthony Green <green@moxielogic.com>
1944 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
1945 nop padding in order to maintain alignment of storage location of
1946 target function address.
1947 (moxie_trampoline_init): Store target function address at newly
1949 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
1951 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
1953 2010-02-03 Richard Guenther <rguenther@suse.de>
1956 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
1958 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1960 * config.gcc: Reenable check for obsolete targets.
1961 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
1962 mips-sgi-irix6.[0-4]*.
1964 2010-02-02 Nick Clifton <nickc@redhat.com>
1966 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
1967 constant size of 4 as being the same as 0.
1968 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
1969 can take values in the range 0..4.
1971 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
1974 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
1975 as _darwin10_Unwind_FindEnclosingFunction().
1976 * libgcc-libsystem.ver: New.
1978 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
1981 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
1982 implicitly set registers.
1984 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
1986 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
1987 (arm_override_options): Allow automatic selection of the thread
1988 pointer register if thumb2.
1989 (legitimize_pic_address): Improve code sequences for Thumb2.
1990 (arm_call_tls_get_addr): Likewise.
1991 (legitimize_tls_address): Likewise.
1992 * arm.md (pic_load_addr_arm): Delete. Replace with ...
1993 (pic_load_addr_32bit): ... this. New named pattern.
1994 * thumb2.md (pic_load_addr_thumb2): Delete.
1995 (pic_load_dot_plus_four): Delete.
1996 (tls_load_dot_plus_four): New named pattern.
1998 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2001 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2002 Document fix for TLS bug.
2004 2010-01-31 Richard Guenther <rguenther@suse.de>
2006 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2007 conservatively correct.
2009 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2013 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2015 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2017 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2019 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2021 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2023 * config.gcc: Adjust order of makefile fragments for mingw targets.
2025 2010-01-31 Richard Guenther <rguenther@suse.de>
2028 * gimplify.c (gimplify_init_constructor): For volatile LHS
2029 initialize a temporary.
2031 2010-01-31 Matthias Klose <doko@ubuntu.com>
2033 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2035 * configure: Regenerate.
2037 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2039 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2040 the same alias set and their sizes different constantness.
2041 (aliasing_component_refs_p): Revert 2009-10-24 change.
2043 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2045 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2048 2010-01-29 Richard Guenther <rguenther@suse.de>
2050 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2051 Assert we successfully updated the call.
2053 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2055 PR rtl-optimization/42889
2056 * df.h (df_set_bb_dirty_nonlr): New prototype.
2057 * df-core.c (df_set_bb_dirty_nonlr): New function.
2058 * df-scan.c (df_insn_rescan): Call it instead of
2059 df_set_bb_dirty for DEBUG_INSNs.
2061 2010-01-29 Richard Guenther <rguenther@suse.de>
2064 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2065 quadratic behavior in most cases.
2067 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2070 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2071 in the call to gen_x86_movsicc_0_m1.
2073 2010-01-28 Richard Guenther <rguenther@suse.de>
2075 PR tree-optimization/42871
2076 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2078 2010-01-28 Richard Guenther <rguenther@suse.de>
2080 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2081 into call arguments.
2083 2010-01-28 Richard Guenther <rguenther@suse.de>
2086 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2087 the forwarder if the destination is an EH landing pad.
2089 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2091 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2092 block list passed to gimple_duplicate_sese_tail.
2093 (parallelize_loops): Avoid parallelization when the function
2095 Avoid parallelization when the preheader is IRREDUCIBLE.
2096 Try to optimize when estimated_loop_iterations_int is unresolved.
2097 Add the loop's location to the dump file.
2098 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2099 (gimple_duplicate_sese_tail): Remove the check for the latch.
2100 Redirect nexits to the exit block.
2101 Remove handling of the incoming edges to the latch.
2102 Redirect the backedge from the copied latch to the exit bb.
2104 2010-01-28 Michael Matz <matz@suse.de>
2107 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2108 Wrap force_reg into a sequence, emit it before user.
2110 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2112 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2114 (arm_legacy_rev): Likewise.
2115 (thumb_legacy_rev): Likewise.
2117 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2119 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2120 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2121 on MEM's address failed, try avoid_constant_pool_reference and
2122 recurse if it returned something different.
2123 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2124 address, try avoid_constant_pool_reference and recurse if it
2125 returned something different.
2126 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2127 address and avoid_constant_pool_reference returned something
2128 different, don't set have_address.
2130 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2133 * var-tracking.c (val_store): Add modified argument, obey it.
2135 (count_uses): Move down logging of main.
2136 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2137 don't need resolution.
2138 (emit_notes_in_bb): Likewise.
2140 2010-01-27 Richard Guenther <rguenther@suse.de>
2143 * tree-inline.c (remap_decl): Delay remapping of SSA name
2144 default definitions until we need them.
2146 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2148 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2149 (rs6000_delegitimize_address): New function.
2151 * config/s390/s390.c (s390_delegitimize_address): Call
2152 delegitimize_mem_from_attrs.
2155 * tree-inline.c (cannot_copy_type_1): Removed.
2156 (copy_forbidden): Don't forbid copying of functions containing
2157 records/unions with variable length fields.
2159 2010-01-27 Christian Bruel <christian.bruel@st.com>
2163 * config/sh/sh.c (find_barrier): Increase length for non delayed
2164 conditional branches.
2166 2010-01-27 Matthias Klose <doko@ubuntu.com>
2168 * configure.ac (gnu-unique-object): Fix ldd version check.
2169 * configure: Regenerate.
2171 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2173 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2175 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2176 Test for HAVE_GNU_AS value.
2178 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2180 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2181 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2182 INT64_TYPE): Define.
2183 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2184 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2185 INT_LEAST64_TYPE): Define.
2186 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2187 UINT_LEAST64_TYPE): Define.
2188 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2189 INT_FAST64_TYPE): Define.
2190 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2191 UINT_FAST64_TYPE): Define.
2192 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2193 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2194 (SIG_ATOMIC_TYPE): Define.
2196 2010-01-26 Richard Guenther <rguenther@suse.de>
2198 * df-scan.c (df_scan_set_bb_info): Remove assert.
2199 (df_insn_rescan_debug_internal): Merge asserts.
2200 (df_install_ref): Likewise.
2201 (df_mark_reg): Use bitmap_set_range.
2202 (df_hard_reg_used_p): Remove assert.
2203 (df_hard_reg_used_count): Likewise.
2205 2010-01-26 Richard Guenther <rguenther@suse.de>
2207 PR rtl-optimization/42685
2208 * web.c (web_main): Ignore DEBUG_INSNs.
2210 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2212 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2214 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2215 Fix types of fndecl and arglist parameters.
2217 2010-01-26 Richard Guenther <rguenther@suse.de>
2220 * tree-eh.c (unsplit_eh): Skip debug insns.
2222 2010-01-26 Richard Guenther <rguenther@suse.de>
2224 PR tree-optimization/42250
2225 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2227 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2230 * omp-low.c (expand_omp_sections): Only use single_pred if
2231 l2_bb is single_pred_p.
2233 2010-01-25 Christian Bruel <christian.bruel@st.com>
2236 * config/sh/sh.c (find_barrier): Increase length for non delayed
2237 conditional branches.
2238 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2240 2010-01-24 David S. Miller <davem@davemloft.net>
2242 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2243 define if not using GAS.
2244 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2245 Likewise. Delete SECTION_MERGE code, which is only applicable
2248 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2251 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2252 mangling of va_list in system headers.
2254 2010-01-23 Toon Moene <toon@moene.org>
2256 * tree-predcom.c (combine_chains): Return NULL, not false.
2258 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2260 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2261 initialization of variable res to agree with return type.
2263 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2265 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2266 * tree-sra.c: Add include of expr.h.
2268 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2270 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2271 insert the debug stmt on the single non-EH edge from the stmt.
2273 2010-01-22 Richard Henderson <rth@redhat.com>
2276 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2277 the RHS until after generate_subtree_copies has insertted its
2278 code before the current statement.
2280 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2282 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2284 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2286 2010-01-21 Martin Jambor <mjambor@suse.cz>
2288 PR tree-optimization/42585
2289 * tree-sra.c (struct access): New field grp_total_scalarization.
2290 (dump_access): Dump the new field.
2291 (should_scalarize_away_bitmap): New variable.
2292 (cannot_scalarize_away_bitmap): Likewise.
2293 (sra_initialize): Allocate new bitmaps.
2294 (sra_deinitialize): Free new bitmaps.
2295 (create_access_1): New function.
2296 (create_access): Parts moved to create_access_1.
2297 (type_consists_of_records_p): New function.
2298 (completely_scalarize_record): Likewise.
2299 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2300 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2301 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2303 (analyze_all_variable_accesses): Completely scalarize small eligible
2306 2010-01-21 Martin Jambor <mjambor@suse.cz>
2308 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2310 2010-01-21 Andrew Haley <aph@redhat.com>
2312 * gcc.c (process_command): Move lang_specific_driver before
2313 setting cc_libexec_prefix.
2315 2010-01-21 Richard Guenther <rguenther@suse.de>
2318 * fold-const.c (negate_expr_p): Pretend only negative
2319 real constants are easily negatable.
2321 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2322 Jason Merrill <jason@redhat.com>
2324 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2325 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2326 * calls.c (initialize argument_information): Handle it.
2327 * c-common.c (handle_transparent_union_attribute): Use new name.
2328 * c-decl.c (finish_struct): Ditto.
2329 * c-typeck.c (type_lists_compatible_p): Ditto.
2330 (convert_for_assignment): Use new name and also handle record.
2331 * function.c (aggregate_value_p): Handle it.
2332 (pass_by_reference): Ditto.
2333 (assign_parm_data_types): Ditto.
2334 * print-tree.c (print_node): Ditto.
2335 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2336 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2337 * tree.c (first_field): New fn.
2339 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2342 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2343 even when linking statically, for now.
2345 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2348 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2349 without a cselib val.
2350 (count_uses): Accept MO_VAL_SET with no val on stores.
2351 (add_stores): Likewise.
2353 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2355 * var-tracking.c (check_value_val): Add a compile time assertion.
2356 (dv_is_decl_p): Simplify.
2357 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2358 gcc_assert if ENABLE_CHECKING.
2360 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2363 * var-tracking.c: Include tree-flow.h.
2364 (mem_dies_at_call): New.
2365 (dataflow_set_preserve_mem_locs): Use it.
2366 (dataflow_set_remove_mem_locs): Likewise.
2367 (dump_var): Renamed from dump_variable. Adjust all callers.
2368 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2369 * Makefile.in (var-tracking.o): Adjust deps.
2371 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2373 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2375 2010-01-20 Richard Guenther <rguenther@suse.de>
2377 PR tree-optimization/42717
2378 * tree-ssa-dce.c (get_live_post_dom): Remove.
2379 (forward_edge_to_pdom): Take an arbitrary edge to copy
2380 degenerate PHI args from.
2381 (remove_dead_stmt): Use the first post-dominator even if it
2382 does not contain live statements as redirection destination.
2384 2010-01-20 Richard Guenther <rguenther@suse.de>
2386 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2388 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2390 * sel-sched.c (create_speculation_check): Remove set but not used
2392 (try_transformation_cache): Remove set but not used variable ds.
2393 (calculate_privileged_insns): Remove set but not used variables
2394 cur_insn and min_spec_insn.
2395 (find_best_expr): Remove set but not used variable avail_n.
2396 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2398 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2400 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2401 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2404 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2407 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2408 cpu types. Add support for *-sse3 cpu types.
2409 (x86_64-*-*): Ditto.
2411 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2414 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2415 argument, call initializer_constant_valid_p_1 instead of
2416 initializer_constant_valid_p, pass CACHE to it, return NULL
2417 immediately if first call returns NULL.
2418 (initializer_constant_valid_p_1): New function.
2419 (initializer_constant_valid_p): Use it.
2421 2010-01-20 Thomas Quinot <quinot@adacore.com>
2423 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2425 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2427 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2428 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2429 (loc_list_from_tree): Don't handle unsigned division. Handle
2430 signed modulo using DW_OP_{over,over,div,mul,minus}.
2431 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2432 modulo instead of signed.
2434 2010-01-20 DJ Delorie <dj@redhat.com>
2436 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2438 (h8300_emit_stack_adjustment): Propogate it.
2440 (h8300_expand_prologue): Likewise.
2441 (h8300_expand_epilogue): Likewise.
2443 2010-01-19 Michael Matz <matz@suse.de>
2445 PR tree-optimization/41783
2446 * tree-data-ref.c (toplevel): Include flags.h.
2447 (dump_data_dependence_relation): Also dump the inputs if the
2448 result will be unknown.
2449 (split_constant_offset_1): Look through some conversions.
2450 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2451 the offset from last element is too large.
2452 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2453 (reassociate_to_the_same_stmt): Handle vector registers.
2454 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2456 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2457 wide_prolog_niters argument, emit widening instructions.
2458 (vect_do_peeling_for_alignment): Adjust caller, use widened
2459 variant of the iteration cound.
2460 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2462 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2465 * config/arm/neon-testgen.m (emit_automatics): New parameter
2466 features. Adjust for Fixed_return_reg feature.
2467 (test_intrinsic): Call emit_automatics with new feature.
2468 * config/arm/neon.ml: Update copyright years.
2469 (features): New Fixed_return_reg feature.
2470 (ops): Update feature for Vget_low.
2472 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2474 PR tree-optimization/42719
2475 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2479 * fwprop.c (all_uses_available_at): Return false if def_set dest
2480 is a REG that is used in def_insn.
2482 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2484 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2486 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2489 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2491 * target.h (struct gcc_target) <secondary_reload>: Change type
2492 of last argument to secondary_reload_info *.
2494 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2497 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2498 memory references with unaligned offsets. Remove CQImode handling.
2499 (unaligned_memory_operand): Return 1 for memory references with
2500 unaligned offsets. Remove CQImode handling.
2502 2010-01-18 Richard Guenther <rguenther@suse.de>
2505 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2508 2010-01-18 Richard Guenther <rguenther@suse.de>
2510 PR tree-optimization/42781
2511 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2512 restrict processing only if the original variable was artificial.
2514 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2516 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2517 find number of popped argument bytes.
2519 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2520 Fix the text that describes the return value for invalid insns.
2522 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2524 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2525 Clarify what 'cost of the -dependence' is. Fix quoting.
2527 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2528 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2530 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2532 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2533 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2535 2010-01-17 Richard Guenther <rguenther@suse.de>
2538 * function.c (split_complex_args): Take a VEC to modify.
2539 (assign_parms_augmented_arg_list): Build a VEC instead of
2540 a chain of PARM_DECLs.
2541 (assign_parms_unsplit_complex): Take a VEC of arguments.
2542 Do not fixup unmodified parms.
2543 (assign_parms): Deal with the VEC.
2544 (gimplify_parameters): Likewise.
2546 2010-01-17 Richard Guenther <rguenther@suse.de>
2548 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2549 node existence check.
2550 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2551 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2552 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2553 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2554 (gimple_execute_on_growing_pred): Likewise.
2556 2010-01-17 Richard Guenther <rguenther@suse.de>
2558 PR tree-optimization/42773
2559 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2560 (compute_antic_aux): Likewise.
2561 (compute_partial_antic_aux): Likewise.
2563 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2566 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2569 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2571 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2574 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2575 Fix markup for strict argument.
2577 (TARGET_SCHED_REORDER2): Fix argument types.
2579 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2580 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2582 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2583 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2585 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2588 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2589 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2590 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2591 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2592 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2594 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2596 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2598 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2599 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
2601 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
2603 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
2606 (TARGET_ASM_NAMED_SECTION): Fix argument list.
2608 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
2609 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
2611 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
2613 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
2615 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
2616 referring to it. Fix language.
2618 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
2620 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
2622 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
2624 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
2626 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
2627 '@var{stream}. Remove stray 'and'.
2629 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
2631 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
2633 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
2635 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
2636 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
2638 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
2639 Fix description of return value.
2640 Rename argument "sz" to "len."
2642 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
2643 Clarify meaning of 'true' return value.
2645 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
2647 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2648 rep_mode versus mode_rep.
2650 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2652 (TARGET_BUILTIN_DECL): Fix name.
2654 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2656 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2658 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2660 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2662 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2664 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2667 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2668 Rename argument tm_fn to md_fn.
2670 (TARGET_OPTION_PRINT): Fix argument list.
2672 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2675 * config/i386/i386.c (ix86_fixup_binary_operands):
2676 Revert FMA4 fixup of operands.
2678 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2681 * Makefile.in (write_entries_to_file, install-plugin):
2682 Use \012 instead of \n with tr.
2684 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2686 * configure.ac (HAVE_AS_REF): New C macro.
2687 * configure: Regenerate.
2688 * config.in: Likewise.
2689 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2691 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2694 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2696 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2698 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2700 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2702 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2704 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2706 (TARGET_BINDS_LOCAL_P): Fix argument type.
2708 (TARGET_ASM_FILE_END): Use prototype.
2710 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2712 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2714 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2716 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2718 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2719 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2721 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2722 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2724 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2725 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2726 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2727 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2729 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2731 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2733 (TARGET_INIT_BUILTINS): Use prototype.
2735 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2736 Put 'const char *' in braces. Fix parameter types.
2737 (TARGET_INVALID_CONVERSION): Fix parameter types.
2738 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2739 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2741 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2744 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2746 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2748 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2750 * doc/tm.texi (TARGET_HELP): Fix return type.
2752 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2753 in braces. Fix argument types.
2755 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2757 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2759 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2761 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2762 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2764 (TARGET_MANGLE_TYPE): Fix argument types.
2766 (TARGET_IRA_COVER_CLASSES): Use prototype.
2768 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2770 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2772 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2774 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2776 (TARGET_CALLEE_COPIES): Fix argument types.
2778 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2780 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2782 (TARGET_FUNCTION_VALUE): Fix argument types.
2784 (TARGET_RETURN_IN_MSB): Fix argument type.
2786 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2788 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2790 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2792 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2793 agree with return type.
2795 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2797 2010-01-15 Jing Yu <jingyu@google.com>
2799 PR rtl-optimization/42691
2800 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2801 a pseudo to a constant and are merged, and adjust comments.
2803 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2805 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2807 2010-01-15 Richard Guenther <rguenther@suse.de>
2810 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2811 labels of computed or non-local gotos to the destination.
2812 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2813 landing pad label is the first label.
2815 2010-01-15 Richard Guenther <rguenther@suse.de>
2817 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2819 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2822 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
2823 to allow generation of the xssqrtdp instruction on power7.
2824 (sqrtdf2_fpr): Ditto.
2826 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2829 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
2830 functions with noreturn attribute.
2833 * varasm.c (declare_weak): Add weak attribute to decl if it
2834 doesn't have one already.
2835 (assemble_external): Only add decls to weak_decls if they also
2836 have weak attribute.
2838 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
2840 * var-tracking.c (var_reg_delete): Don't delete the association
2841 between REGs and values or one-part variables if the register
2844 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2847 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
2848 because its first operand is a non-localized variable.
2850 2010-01-14 Martin Jambor <mjambor@suse.cz>
2852 PR tree-optimization/42706
2853 * tree-sra.c (encountered_recursive_call): New variable.
2854 (encountered_unchangable_recursive_call): Likewise.
2855 (sra_initialize): Initialize both new variables.
2856 (callsite_has_enough_arguments_p): New function.
2857 (scan_function): Call decl and flags check only for IPA-SRA, check
2858 whether there is a recursive call and whether it has enough arguments.
2859 (all_callers_have_enough_arguments_p): New function.
2860 (convert_callers): Look for recursive calls only when
2861 encountered_recursive_call is set.
2862 (ipa_early_sra): Bail out either if
2863 !all_callers_have_enough_arguments_p or
2864 encountered_unchangable_recursive_call.
2866 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2868 * sel-sched.c: Add 2010 to copyright years.
2869 * sel-sched-ir.c: Likewise.
2870 * sel-sched-ir.h: Likewise.
2872 2010-01-14 Martin Jambor <mjambor@suse.cz>
2874 PR tree-optimization/42714
2875 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
2876 constructors specially.
2878 2010-01-14 Andi Kleen <ak@linux.intel.com>
2880 * config/i386/drivers-i386.c (detect_caches_intel):
2881 Add l2sizekb parameter and fill in.
2882 (host_detect_local_cpu): Add l2sizekb, fill in.
2883 Add Atom small cache heuristic.
2885 2010-01-14 Andi Kleen <ak@linux.intel.com>
2887 * config/i386/drivers-i386.c (detect_caches_cpuid4):
2888 Add level3 parameter and fill in.
2889 (detect_caches_intel): Handle level3 cache.
2891 2010-01-14 Andi Kleen <ak@linux.intel.com>
2893 * config/i386/drivers-i386.c (host_detect_local_cpu):
2894 Fix core duo detection.
2896 2010-01-14 Andi Kleen <ak@linux.intel.com>
2898 * config/i386/drivers-i386.c (host_detect_local_cpu):
2901 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2903 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
2904 (rs6000_variable_issue_1): this. Use...
2905 (rs6000_variable_issue): here. Reimplement. Print debug info.
2907 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2909 * sel-sched-ir.c (sel_restore_other_notes): Rename to
2910 sel_restore_notes. Update all callers. Call reemit_notes
2913 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2915 PR rtl-optimization/42246
2916 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
2919 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2921 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
2922 all successors is the same as number of successors in current region.
2924 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2926 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
2927 to rename is not separable. Otherwise check that its LHS is not NULL.
2929 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2931 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
2933 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2935 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
2936 available registers when failed to discover LHS register class.
2937 Fix indentation. Update comment.
2939 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2940 Alexander Monakov <amonakov@ispras.ru>
2942 PR rtl-optimization/42389
2943 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
2945 (advance_state_on_fence): Likewise.
2946 (sel_target_adjust_priority): Print debug output only when
2947 sched_verbose >= 4, not 2.
2948 (get_expr_cost): Do not issue all unique insns on the next cycle.
2949 (fill_insns): Initialize can_issue_more from the value saved
2951 * sel-sched-ir.c (flist_add): New parameter issue_more.
2952 Init FENCE_ISSUE_MORE with it.
2953 (merge_fences): Likewise.
2954 (init_fences): Update call to flist_add.
2955 (add_to_fences, add_clean_fence_to_fences)
2956 (add_dirty_fence_to_fences): Likewise.
2957 (move_fence_to_fences): Update call to merge_fences.
2958 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
2960 * sel-sched-ir.h (struct _fence): New field issue_more.
2961 (FENCE_ISSUE_MORE): New accessor macro.
2963 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2965 PR rtl-optimization/42388
2966 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
2967 that have no predecessors nor successors. Do not call move_bb_info
2968 for empty blocks outside of current region.
2970 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2972 PR rtl-optimization/42294
2973 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
2974 * sel-sched.c (move_exprs_to_boundary): Transitively add all
2975 originators' originators.
2977 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2979 PR rtl-optimization/39453
2980 PR rtl-optimization/42246
2981 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
2983 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
2985 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2986 Alexander Monakov <amonakov@ispras.ru>
2989 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
2990 (maybe_tidy_empty_bb): ... here. Make static. Add new
2991 argument. Update all callers.
2992 (tidy_control_flow): ... and here. Recompute topological order
2993 of basic blocks in region if necessary.
2994 (sel_redirect_edge_and_branch): Change return type. Return true
2995 if topological order might have been invalidated.
2996 (purge_empty_blocks): Export and move from...
2997 * sel-sched.c (purge_empty_blocks): ... here.
2998 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
2999 (maybe_tidy_empty_bb): Delete prototype.
3000 (purge_empty_blocks): Declare.
3002 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3004 PR rtl-optimization/42249
3005 * sel-sched.c (try_replace_dest_reg): When chosen register
3006 and original register is the same, do not bail out early, but
3007 still check all original insns for validity of replacing destination
3008 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3011 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3014 Port from no-undefined-overflow branch:
3015 2009-03-09 Richard Guenther <rguenther@suse.de>
3017 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3019 2010-01-14 Richard Guenther <rguenther@suse.de>
3022 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3024 2010-01-14 Ira Rosen <irar@il.ibm.com>
3026 PR tree-optimization/42709
3027 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3028 as scalar type in creation of constant vector operand.
3030 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3033 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3034 (check-parallel-%): Match `testsuite' directory component only
3037 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3039 PR translation/39521
3040 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3043 2010-01-13 Richard Guenther <rguenther@suse.de>
3045 PR tree-optimization/42730
3046 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3049 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3052 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3053 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3056 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3058 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3059 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3060 ___umulsi3_highpart.
3062 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3063 rather than schedule_insns if the pass is enabled.
3065 2010-01-13 Martin Jambor <mjambor@suse.cz>
3067 PR tree-optimization/42704
3068 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3071 2010-01-13 Martin Jambor <mjambor@suse.cz>
3073 PR tree-optimization/42703
3074 * tree-sra.c (analyze_access_subtree): Check that we can build a
3075 reference to the original data within the aggregate.
3077 2010-01-13 Richard Guenther <rguenther@suse.de>
3079 PR tree-optimization/42705
3080 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3082 2010-01-13 Richard Guenther <rguenther@suse.de>
3085 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3087 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3090 * var-tracking.c (values_to_unmark): New variable.
3091 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3092 values_to_unmark vector. Moved body to...
3093 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3094 instead queue it into values_to_unmark vector.
3095 (vt_find_locations): Free values_to_unmark vector.
3097 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3099 * config/s390/s390.c (override_options): Set
3100 default of max-pending-list-length to 256
3102 2010-01-13 Richard Guenther <rguenther@suse.de>
3105 * tree-pass.h (PROP_gimple_lcx): New.
3106 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3107 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3108 before the final cleanup_eh.
3109 (dump_properties): Dump PROP_gimple_lcx.
3110 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3111 (tree_lower_complex_O0): Remove.
3112 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3113 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3114 tree_lower_complex, schedule TODO_update_ssa.
3115 * lto-streamer-out.c (output_function): Stream the functions
3117 * lto-streamer-in.c (input_function): Likewise.
3118 (lto_read_body): Do not override them here.
3120 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3123 * c-typeck.c (build_c_cast): Fold value cast to union type before
3124 wrapping it in a CONSTRUCTOR.
3126 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3128 PR rtl-optimization/42699
3129 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3132 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3134 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3135 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3136 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3137 SUBTARGET_WARN_UNUSED_SPEC): ... here
3138 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3140 2010-01-12 Julian Brown <julian@codesourcery.com>
3142 * config/arm/neon-schedgen.ml (Utils): Don't try to
3143 open missing module.
3144 (find_with_result): New.
3146 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3149 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3150 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3152 PR tree-optimization/42645
3153 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3154 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3155 decl_map, set processing_debug_stmt to -1 and return name without
3158 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3160 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3161 binutils version, and reword target configuration description.
3163 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3165 * config/avr/avr.h (LINKER_NAME): Remove.
3167 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3170 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3171 that support VSX, warn for -mno-altivec if vsx is not disabled,
3174 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3175 Shujing Zhao <pearly.zhao@oracle.com>
3177 PR translation/42469
3178 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3179 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3180 character between option name and help text.
3181 * c.opt (imultilib): Likewise.
3183 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3185 * lto-streamer-out.c (output_unreferenced_globals): Output static
3188 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3190 PR rtl-optimization/42621
3191 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3192 optimizing for size.
3193 (duplicate_computed_gotos): Remove now-redundant check.
3195 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3198 * configure.ac: Save and restore LDFLAGS and LIBS
3199 * configure: Regenerate.
3201 2010-01-10 Richard Guenther <rguenther@suse.de>
3204 * builtins.c (fold_builtin_strlen): Add type argument and
3205 convert the resulting length to it.
3206 (fold_builtin_1): Adjust.
3208 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3210 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3211 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3213 (num_insns_constant_wide): Adjust for that change.
3215 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3218 * web.c (union_defs): Add used argument, to combine uses of
3220 (entry_register): Adjust type and tests of used argument.
3221 (web_main): Widen used for new use. Pass it to union_defs.
3222 * df.h (union_defs): Adjust prototype.
3224 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3227 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3228 uses in new incoming argument. Free body.
3229 (reset_debug_uses_in_loop): New.
3230 (analyze_insn_to_expand_var): Call the latter if the former found
3231 anything. Fix whitespace. Reject invalid dest overlaps before
3232 going through all insns in the loop.
3234 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3237 * haifa-sched.c (dying_use_p): Debug insns don't count.
3239 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3242 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3243 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3244 (verify_gimple_call): Reject LHS in noreturn calls.
3246 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3250 * tree-vect-loop-manip.c (adjust_info): New type.
3251 (adjust_vec): New pointer to vector.
3252 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3253 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3254 (slpeel_update_phis_for_duplicate_loop): Use them.
3255 (slpeel_update_phi_nodes_for_guard1): Likewise.
3256 (slpeel_update_phi_nodes_for_guard2): Likewise.
3257 (slpeel_tree_peel_loop_to_edge): Likewise.
3258 (vect_update_ivs_after_vectorizer): Likewise.
3260 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3262 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3263 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3265 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3267 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3268 bogus uninitialized warning.
3270 2010-01-09 Richard Guenther <rguenther@suse.de>
3273 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3274 the evolution is compatible with the initial condition.
3276 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3278 * gcc.c (process_command): Update copyright notice dates.
3279 * gcov.c (print_version): Likewise.
3280 * gcov-dump.c (print_version): Likewise.
3281 * mips-tfile.c (main): Likewise.
3282 * mips-tdump.c (main): Likewise.
3284 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3287 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3289 (rotlhi3_8): Delete.
3291 (rotlsi3_8): Delete.
3292 (rotlsi3_16): Delete.
3293 (rotlsi3_24): Delete.
3295 (*rotw<mode>3): New.
3296 (*rotb<mode>3): New.
3297 * config/avr/avr.c (avr_rotate_bytes): New function.
3298 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3300 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3303 * configure.ac: Modify -rdynamic check.
3304 * configure: Regenerate.
3306 2010-01-08 DJ Delorie <dj@redhat.com>
3308 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3309 register popping order.
3311 2010-01-08 Richard Guenther <rguenther@suse.de>
3314 * c.opt (fsigned-char): Also let LTO handle this option.
3315 (funsigned-char): Likewise.
3317 2010-01-07 Richard Guenther <rguenther@suse.de>
3319 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3320 (gimple_op): Likewise.
3321 (gimple_op_ptr): Likewise.
3322 (gimple_assign_set_lhs): Remove gcc_assert.
3323 (gimple_assign_set_rhs1): Likewise.
3324 (gimple_assign_set_rhs2): Likewise.
3325 (gimple_call_set_lhs): Likewise.
3326 (gimple_call_set_fn): Likewise.
3327 (gimple_call_set_fndecl): Likewise.
3328 (gimple_call_fndecl): Likewise.
3329 (gimple_call_return_type): Likewise.
3330 (gimple_call_set_chain): Likewise.
3331 (gimple_call_num_args): Likewise.
3332 (gimple_call_set_arg): Likewise.
3333 (gimple_cond_set_code): Likewise.
3334 (gimple_cond_set_lhs): Likewise.
3335 (gimple_cond_set_rhs): Likewise.
3336 (gimple_cond_set_true_label): Likewise.
3337 (gimple_cond_set_false_label): Likewise.
3338 (gimple_label_set_label): Likewise.
3339 (gimple_goto_set_dest): Likewise.
3340 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3341 (gimple_debug_bind_get_value): Likewise.
3342 (gimple_debug_bind_get_value_ptr): Likewise.
3343 (gimple_debug_bind_set_var): Likewise.
3344 (gimple_debug_bind_set_value): Likewise.
3345 (gimple_debug_bind_reset_value): Likewise.
3346 (gimple_debug_bind_has_value_p): Likewise.
3347 (gimple_return_retval_ptr): Remove gcc_assert.
3348 (gimple_return_retval): Likewise.
3349 (gimple_return_set_retval): Likewise.
3350 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3351 (safe_referenced_var_iterator): Remove.
3352 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3353 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3354 (fill_referenced_var_vec): Remove.
3355 (first_readonly_imm_use): Remove redundant gcc_assert.
3356 (phi_arg_index_from_use): Combine gcc_asserts.
3357 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3358 (first_imm_use_stmt): Remove redundant gcc_assert.
3359 * tree-cfg.c (verify_gimple_call): Verify function and chain
3360 operands. Verify arguments.
3361 (verify_types_in_gimple_stmt): Verify condition code and labels.
3363 2010-01-07 Richard Guenther <rguenther@suse.de>
3365 PR tree-optimization/42641
3366 * sese.c (rename_map_elt_info): Use the SSA name version, do
3369 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3371 PR tree-optimization/42625
3372 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3373 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3375 2010-01-07 Duncan Sands <baldrick@free.fr>
3377 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3379 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3382 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3383 note itself is not function_invariant_p.
3385 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3387 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3388 Do not add the DF_NOTE problem.
3389 * store-motion.c (execute_rtl_store_motion): Likewise.
3391 2010-01-07 Martin Jambor <mjambor@suse.cz>
3393 PR tree-optimization/42157
3394 * tree-sra.c (compare_access_positions): Stabilize sort if both
3395 accesses have integer types, return zero immediately if they are the
3398 2010-01-06 Richard Henderson <rth@redhat.com>
3401 * haifa-sched.c (add_to_note_list): Merge into ...
3402 (concat_note_lists): ... here, and ...
3403 (unlink_other_notes, rm_other_notes): Merge into...
3404 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3405 NOTE_INSN_EPILOGUE_BEG.
3407 2010-01-06 Richard Guenther <rguenther@suse.de>
3409 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3410 not inline regular functions into always-inline functions.
3412 2010-01-06 Nick Clifton <nickc@redhat.com>
3414 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3415 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3417 (OVERRIDE_OPTIONS): Delete.
3418 (OPTIMIZATION_OPTIONS): Define.
3419 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3420 * config/rx/rx.c (rx_handle_option): Issue an error message if
3421 -mcpu=rx200 and -fpu are used together.
3422 (rx_set_optimization_options): New function. Issue an error
3423 message if an optimization attribute attempts to reset the FPU/
3424 math optimization pairing.
3425 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3426 * config/rx/rx.opt: Set the default to 32-bit doubles.
3427 * config/rx/t-rx: Add multilibs for -nofpu option.
3428 * doc/invoke.texi: Update documentation of RX options.
3430 2010-01-06 Richard Guenther <rguenther@suse.de>
3432 * tree-ssa-pre.c (name_to_id): New global.
3433 (alloc_expression_id): Simplify SSA name handling.
3434 (lookup_expression_id): Likewise.
3435 (init_pre): Zero name_to_id.
3436 (fini_pre): Free it.
3438 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3440 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3442 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3445 * config/i386/sse.md (smaxv2di3): New.
3446 (umaxv2di3): Likewise.
3447 (sminv2di3): Likewise.
3448 (uminv2di3): Likewise.
3450 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3453 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3454 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3455 (legitimize_tls_address): Likewise.
3456 (sparc_tls_referenced_p): Likewise.
3457 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3458 and adjust calls to legitimize_pic_address.
3459 (legitimate_constant_p) Use sparc_tls_referenced_p.
3460 (legitimate_pic_operand_p): Likewise.
3461 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3462 (sparc_tls_symbol_ref_1): Delete.
3463 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3464 (legitimize_tls_address): Make static, handle CONST patterns.
3465 (legitimize_pic_address): Make static, remove unused parameter and
3466 adjust recursive calls.
3467 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3468 and adjust call to legitimize_pic_address.
3469 (sparc_output_mi_thunk): Likewise.
3471 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3472 H.J. Lu <hongjiu.lu@intel.com>
3475 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3476 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3477 operands to make them signed.
3480 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3483 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3484 GTU to GT for V4SI and V2DI.
3486 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3487 (umin<mode>3): Removed.
3489 (uminv4si3): Likewise.
3491 2010-01-05 Martin Jambor <mjambor@suse.cz>
3493 PR tree-optimization/42462
3494 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3495 current_function_decl to helper functions and macros.
3497 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3500 * flags.h: Don't include real.h.
3501 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3502 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3503 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3504 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3505 * dominance.c: Update copyright.
3506 * gimple.c (walk_gimple_op): Remove inline.
3507 * tree-ssa-reassoc.c: Include real.h.
3508 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3509 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3511 2010-01-05 Nick Clifton <nickc@redhat.com>
3513 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3514 register to push into the stack frame when the accumulator has to
3515 be saved during interrupts.
3517 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3519 * doc/invoke.texi: Remove the documentation about option
3521 * common.opt (Wunreachable-code): Preserved for backward
3523 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3524 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3525 the backward compatibility flag section.
3527 2010-01-05 Richard Guenther <rguenther@suse.de>
3529 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3531 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3534 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3536 PR tree-optimization/42508
3537 * tree-sra.c (convert_callers): Check for recursive call
3538 by comparing cgraph nodes instead of decls.
3539 (modify_function): Call ipa_modify_formal_parameters also
3540 on all same_body aliases.
3542 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3543 cgraph nodes when checking for same_body aliases.
3545 2010-01-05 Richard Guenther <rguenther@suse.de>
3547 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3548 allocation and lookup.
3549 (get_or_alloc_expr_for_constant): Likewise.
3550 (phi_translate): Sink allocation.
3552 2010-01-04 Richard Guenther <rguenther@suse.de>
3554 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3555 a new entry only if needed.
3556 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3557 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3559 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3561 (phi_translate): Handle CONSTANTs early.
3563 2010-01-04 Martin Jambor <mjambor@suse.cz>
3565 PR tree-optimization/42398
3566 * tree-sra.c (struct access): Removed flag grp_different_types.
3567 (dump_access): Do not dump the removed flag.
3568 (sort_and_splice_var_accesses): Do not set the removed flag.
3569 (sra_modify_expr): Check for type compatibility directly.
3571 2010-01-04 Martin Jambor <mjambor@suse.cz>
3573 PR tree-optimization/42366
3574 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3575 edges with variable number of parameters.
3576 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3577 flag instead of asserting it.
3578 (ipa_read_node_info): Read uses_analysis_done flag.
3580 2010-01-04 Richard Guenther <rguenther@suse.de>
3582 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3583 iterative_hash_* as intended.
3584 (vn_reference_compute_hash): Likewise. Simplify hashing
3586 (vn_reference_lookup_2): Likewise.
3587 (vn_nary_op_compute_hash): Likewise.
3588 (vn_phi_compute_hash): Likewise.
3589 (expressions_equal_p): Remove strange code.
3590 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3591 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3592 (bitmap_insert_into_set_1): Take value-id as parameter.
3593 (add_to_value): Pass it.
3594 (bitmap_insert_into_set): Likewise.
3595 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3597 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3600 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
3601 (do_self_spec): For switches with SWITCH_IGNORE set set also
3602 SWITCH_IGNORE_PERMANENTLY.
3603 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
3606 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
3608 * lto-streamer-out.c (output_unreferenced_globals): Output the full
3609 tree of an unreferenced global var.
3611 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3614 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3615 GTU to GT for V4SI and V2DI.
3617 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3618 (umin<mode>3): Removed.
3620 (uminv4si3): Likewise.
3622 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3625 * collect2.c (main): Turn on trace in collect2 if -v is passed
3628 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
3630 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
3631 description of expression operand.
3633 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
3635 * configure.ac: Add install-html to target_list for Make-hooks.
3636 * configure: Regenerate.
3637 * fortran/Make-lang.in (F95_HTMLFILES): New.
3638 (fortran.html): Use it.
3639 (fortran.install-html): New.
3640 * Makefile.in (install-html): Add lang.install-html.
3641 * java/Make-lang.in (JAVA_HTMLFILES): New.
3642 (java.html): Use it.
3643 (java.install-html): New.
3644 * objc/Make-lang.in (objc.install-html): New.
3645 * objcp/Make-lang.in (obj-c++.install-html): New.
3646 * cp/Make-lang.in (c++.install-html): New.
3647 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3648 * lto/Make-lang.in (lto.install-html): New.
3650 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3653 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3655 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3657 PR rtl-optimization/41862
3658 * store-motion.c (store_killed_in_insn, compute_store_table,
3659 remove_reachable_equiv_notes, replace_store_insn,
3660 build_store_vectors): Ignore all DEBUG_INSNs.
3662 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3665 * common.opt: Add dumpdir.
3667 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3669 (option_map): Add --dumpdir.
3671 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3673 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3675 * opts.c (decode_options): Try dump_dir_name first if
3676 dump_base_name isn't an absolute path.
3677 (common_handle_option): Handle OPT_dumpdir.
3679 * toplev.c (dump_dir_name): New.
3680 (print_switch_values): Also ignore -dumpdir.
3682 * toplev.h (dump_dir_name): New.
3684 2010-01-03 Richard Guenther <rguenther@suse.de>
3686 PR tree-optimization/42589
3687 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3688 double-word expansion of bswap32.
3690 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3692 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3693 with BLOCK_FOR_INSN.
3694 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3695 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3696 noce_process_if_block): Likewise.
3697 * gcse.c (compute_local_properties, insert_expr_in_table,
3698 insert_set_in_table, canon_list_insert, find_avail_set,
3699 pre_insert_copy_insn): Likewise.
3701 * basic-block.h (BLOCK_NUM): Move from here...
3702 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3704 2010-01-03 Richard Guenther <rguenther@suse.de>
3706 PR tree-optimization/42438
3707 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3708 contains_may_not_return_call flag.
3709 (BB_MAY_NOTRETURN): New.
3710 (valid_in_sets): Trapping nary operations are not valid
3711 in blocks that may not return.
3712 (insert_into_preds_of_block): Remove check for trapping expressions.
3713 (compute_avail): Compute also BB_MAY_NOTRETURN.
3715 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3717 * doc/invoke.texi: Add 2010 to copyright years.
3719 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3721 * config/sparc/sparc.c: Fix formatting nits.
3723 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3724 Alexander Monakov <amonakov@ispras.ru>
3726 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3728 2010-01-02 Richard Guenther <rguenther@suse.de>
3731 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3732 (simplify_switch_using_ranges): Mark to be removed edges
3735 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3737 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3739 * collect2.c (scan_libraries): Add missing argument in call to
3742 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3745 * config/alpha/predicates.md (aligned_memory_operand): Return false
3747 (unaligned_memory_operand): Return true for CQImode.
3748 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3749 doesn not cross aligned SImode word boundary.
3751 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3753 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3755 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3756 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3758 2010-01-02 Richard Guenther <rguenther@suse.de>
3761 * toplev.c (compile_file): Emit LTO marker properly. Change
3763 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3765 2010-01-01 Richard Guenther <rguenther@suse.de>
3768 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3770 2010-01-01 Richard Guenther <rguenther@suse.de>
3773 * c-decl.c (grokdeclarator): For zero-size arrays force
3774 structural equality checks as layout_type does.
3776 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3778 * builtins.c: Update copyright to 2010.
3780 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3783 * lto-streamer-out.c (produce_asm): Revert the last change.
3784 (copy_function): Likewise.
3786 * lto-streamer.c (lto_get_section_name): Skip any leading
3789 2010-01-01 Richard Guenther <rguenther@suse.de>
3792 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3796 Copyright (C) 2010 Free Software Foundation, Inc.
3798 Copying and distribution of this file, with or without modification,
3799 are permitted in any medium without royalty provided the copyright
3800 notice and this notice are preserved.