1 2010-03-15 Michael Matz <matz@suse.de>
4 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5 use it to expand block copies.
6 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
7 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
8 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
10 2010-03-15 Richard Guenther <rguenther@suse.de>
12 PR tree-optimization/43367
13 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
16 2010-03-15 Richard Guenther <rguenther@suse.de>
18 PR tree-optimization/43317
19 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
21 2010-03-15 Martin Jambor <mjambor@suse.cz>
23 PR tree-optimization/43141
24 * tree-sra.c (create_abstract_origin): New function.
25 (modify_function): Call create_abstract_origin.
27 2010-03-15 Chris Demetriou <cgd@google.com>
29 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
32 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
35 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
36 call insert_out_of_ssa_copy for default definitions.
38 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
40 * graphite-clast-to-gimple.c (my_long_long): Defined.
41 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
42 * graphite-sese-to-poly.c (my_long_long): Defined.
43 (scop_ivs_can_be_represented): Use it.
45 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
47 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
48 graphite-max-bbs-per-function, and loop-block-tile-size.
49 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
51 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
53 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
55 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
57 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
58 (add_upper_bounds_from_estimated_nit): New.
59 (build_loop_iteration_domains): Use it.
61 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
63 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
65 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
68 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
69 should be an INTEGER_CST. Also handle CASE_CONVERT.
71 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
73 * graphite.c (graphite_initialize): To bound the number of bbs per
74 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
75 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
76 * doc/invoke.texi: Document it.
78 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
80 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
81 * graphite-sese-to-poly.h (build_poly_scop): Same.
83 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
85 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
86 the number of parameters in the scop. Use as an upper bound
87 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
88 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
89 * doc/invoke.texi: Document it.
91 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
93 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
94 * doc/c-tree.texi: Remove.
95 * doc/generic.texi: Merge c-tree.texi here.
96 * doc/gccint.texi (Trees): Remove menu entry.
97 (c-tree.texi): Remove @include.
98 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
99 * doc/languages.texi (Reading RTL): Ditto.
101 2010-03-12 Steve Ellcey <sje@cup.hp.com>
104 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
106 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
109 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
110 code added to work around reload clobbering CONST insns.
112 2010-03-12 Jakub Jelinek <jakub@redhat.com>
114 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
115 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
116 (cselib_preserve_only_values): Remove retain argument, don't
117 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
118 * cselib.h (cselib_preserve_only_values): Remove retain argument.
119 * var-tracking.c (micro_operation): Move insn field before union.
120 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
121 (struct variable_tracking_info_def): Remove n_mos field, change
122 mos into a vector of micro_operations.
123 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
124 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
125 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
126 changing into a vector.
127 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
128 come before all other uops generated by add_stores.
129 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
131 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
132 a vector. Run just one pass over the bbs instead of separate counting
133 and computation phase.
134 (vt_finalize): Free VTI (bb)->mos vector instead of array.
137 * tree-inline.c (remap_decls): Put old_var rather than origin_var
138 into *nonlocalized_list vector.
139 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
140 even if origin is non-NULL.
141 (gen_variable_die): Likewise.
142 (process_scope_var): Don't change origin.
143 (gen_decl_die): Likewise.
144 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
145 before adding new edges instead of after it, fix moving over
148 2010-03-11 David S. Miller <davem@davemloft.net>
150 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
152 * configure: Rebuild.
154 2010-03-11 Martin Jambor <mjambor@suse.cz>
156 PR tree-optimization/43257
157 * tree.c (assign_assembler_name_if_neeeded): New function.
158 (free_lang_data_in_cgraph): Assembler name assignment moved to the
160 * tree.h (assign_assembler_name_if_neeeded): Declare.
161 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
162 the function if needed.
164 2010-03-11 Chris Demetriou <cgd@google.com>
166 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
167 include/stdint-gcc.h, and include/stdint.h world-readable.
169 2010-03-11 Richard Guenther <rguenther@suse.de>
171 PR tree-optimization/43255
172 * tree-vrp.c (process_assert_insertions_for): Do not insert
173 asserts for trivial conditions.
175 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
177 PR tree-optimization/43280
178 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
179 generation. Move calculation of size out of the if branch.
180 (find_bswap): Modify compare number generation.
182 2010-03-11 Richard Guenther <rguenther@suse.de>
185 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
186 (input_gimple_stmt): Fixup handled component types during
187 operand read. Also fix up decls in ADDR_EXPRs.
189 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
191 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
192 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
194 2010-03-10 Jan Hubicka <jh@suse.cz>
197 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
198 * varasm.c (get_variable_section): Don't do that here...
199 (make_decl_rtl): ... and here.
200 (do_assemble_alias): Produce decl RTL.
201 (assemble_alias): Likewise.
203 2010-03-10 Jakub Jelinek <jakub@redhat.com>
206 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
207 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
209 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
210 (based_loc_descr): Only express drap or vdrap regno based expressions
211 using DW_OP_fbreg when not optimizing.
212 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
213 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
214 REG_CFA_SET_VDRAP note.
216 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
218 PR tree-optimization/43236
219 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
220 error in calculation of base address in reverse iteration case.
221 (generate_builtin): Take number of latch executions if the statement
224 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
227 * tree-eh.c: Include pointer-set.h.
228 (lower_eh_dispatch): Filter out duplicate case labels and
229 remove the unneeded edge when the label is unused. Return
230 true when some edges are removed.
231 (execute_lower_eh_dispatch): When any lowering resulted in
232 removing an edge, also delete unreachable blocks.
234 2010-03-10 Jakub Jelinek <jakub@redhat.com>
237 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
238 UNSPEC_MACHOPIC_OFFSET.
240 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
243 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
244 (m68k_delegitimize_address): New function.
246 2010-03-09 Jakub Jelinek <jakub@redhat.com>
249 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
252 * var-tracking.c (adjust_sets): New function.
253 (count_with_sets, add_with_sets): Use it.
254 (get_adjusted_src): New inline function.
255 (add_stores): Use it.
258 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
259 call cselib_dummy_expand_value_rtx_cb instead of
260 cselib_expand_value_rtx_cb.
263 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
264 * config/i386/i386.c: Include debug.h and dwarf2out.h.
265 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
266 and .cfi_endproc around the pic thunks.
267 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
268 all queued unwind info register saves are saved before the call.
269 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
270 considered as sp-=4 for unwind info and the pop as sp+=4 which
271 also clobbers dest, but doesn't actually restore it.
274 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
277 2010-03-09 Jie Zhang <jie@codesourcery.com>
279 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
280 whitespaces in output template.
282 2010-03-09 Jie Zhang <jie@codesourcery.com>
284 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
287 2010-03-08 Jakub Jelinek <jakub@redhat.com>
289 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
290 builtins.exp in a separate job.
292 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
294 * graphite-sese-to-poly.c (add_param_constraints): Use
295 lower_bound_in_type and upper_bound_in_type.
297 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
299 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
300 instead of unsigned_type_node.
302 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
303 Reza Yazdani <reza.yazdani@amd.com>
306 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
307 on pointer type parameters.
309 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
313 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
314 handle conversions from pointer to integers.
315 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
316 induction variable, to be able to work with code generated by CLooG.
317 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
318 (build_poly_scop): Bail out if we cannot codegen a loop.
320 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
322 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
323 code generation with gloog_error.
325 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
327 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
328 Call fold_convert on all the returned values.
329 (expand_scalar_variables_expr): Pass to
330 expand_scalar_variables_ssa_name the type of the resulting expression.
332 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
334 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
335 ppl_min_for_le_pointset.
336 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
337 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
339 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
341 * graphite-dependences.c (map_into_dep_poly): Removed.
342 (dependence_polyhedron_1): Use combine_context_id_scat.
344 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
346 * graphite-poly.h (struct poly_scattering): Add layout documentation.
347 (struct poly_bb): Same.
348 (combine_context_id_scat): New.
350 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
353 * sese.c (name_defined_in_loop_p): Return false for default
356 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
358 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
359 and clean up the logic.
361 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
363 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
366 2010-03-08 Jakub Jelinek <jakub@redhat.com>
368 * var-tracking.c (remove_cselib_value_chains): Define only for
370 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
371 delete_slot_part, emit_notes_for_differences_1): Don't call
372 remove_cselib_value_chains here.
373 (set_slot_part, emit_notes_for_differences_2): Don't call
374 add_cselib_value_chains here.
375 (preserved_values): New vector.
376 (preserve_value): New function.
377 (add_uses, add_stores, vt_add_function_parameters): Use it
378 instead of cselib_preserve_value.
379 (changed_values_stack): New vector.
380 (check_changed_vars_0): New function.
381 (check_changed_vars_1, check_changed_vars_2): Use it.
382 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
383 changed_values_stack VALUEs.
384 (vt_emit_notes): For all preserved_values call
385 add_cselib_value_chains. If ENABLE_CHECKING call
386 remove_cselib_value_chains before verifying value_chains is empty.
387 Initialize and free changed_values_stack.
388 (vt_initialize): Initialize preserved_values.
389 (vt_finalize): Free preserved_values.
391 2010-03-08 Richard Guenther <rguenther@suse.de>
393 PR tree-optimization/43269
394 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
397 2010-03-08 Martin Jambor <mjambor@suse.cz>
399 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
400 (ipa_is_param_called): Removed.
401 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
402 (ipa_print_node_params): Do not print the called flag.
403 (ipa_write_node_info): Do not stream the called flag.
404 (ipa_read_node_info): Likewise.
406 2010-03-07 Jakub Jelinek <jakub@redhat.com>
409 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
410 * cselib.c (struct expand_value_data): Add dummy field.
411 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
413 (cselib_dummy_expand_value_rtx_cb): New function.
414 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
416 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
417 * var-tracking.c: Include pointer-set.h.
418 (variable): Change n_var_parts to char from int. Add
419 cur_loc_changed and in_changed_variables fields.
420 (variable_canonicalize): Remove.
421 (shared_var_p): New inline function.
422 (unshare_variable): Maintain cur_loc_changed and
423 in_changed_variables fields. If var was in changed_variables,
424 replace it there with new_var. Just copy cur_loc instead of
425 resetting it to something else.
426 (variable_union): Don't recompute cur_loc. Use shared_var_p.
427 (dataflow_set_union): Don't call variable_canonicalize.
428 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
429 of their DEBUG_EXPR_TREE_DECLs.
430 (canonicalize_loc_order_check): Verify that cur_loc is NULL
431 and in_changed_variables and cur_loc_changed is false.
432 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
433 and cur_loc_changed. Don't update cur_loc here.
434 (variable_merge_over_src): Don't call variable_canonicalize.
435 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
436 removing loc that is equal to cur_loc, clear cur_loc,
437 set cur_loc_changed and ensure variable_was_changed is called.
438 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
439 compare pointers in cur_loc check, if it is equal to loc,
440 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
441 (variable_different_p): Remove compare_current_location argument,
442 don't compare cur_loc.
443 (dataflow_set_different_1): Adjust variable_different_p caller.
444 (variable_was_changed): If dv had some var in changed_variables
445 already, reset in_changed_variables flag for it and propagate
446 cur_loc_changed over to the new variable. On empty var
447 always set cur_loc_changed. Set in_changed_variables on whatever
448 var is added to changed_variables.
449 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
450 Use shared_var_p. When removing loc that is equal to cur_loc,
451 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
452 end, don't set it to something else, just call variable_was_changed.
453 (delete_slot_part): Use shared_var_p. When cur_loc equals to
454 loc being removed, clear cur_loc and set cur_loc_changed.
455 Set cur_loc_changed if all locations have been removed.
456 (struct expand_loc_callback_data): New type.
457 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
458 allocated. Always create SUBREGs if simplify_subreg failed.
459 Prefer to use cur_loc, when that fails and still in
460 changed_variables (and seen first time) recompute it. Set
461 cur_loc_changed of variables which had to change cur_loc and
462 compute elcd->cur_loc_changed if any of the subexpressions used
463 had to change cur_loc.
464 (vt_expand_loc): Adjust to pass arguments in
465 expand_loc_callback_data structure.
466 (vt_expand_loc_dummy): New function.
467 (emitted_notes): New variable.
468 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
469 that weren't used for any other decl in current
470 emit_notes_for_changes call call vt_expand_loc_dummy to update
471 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
472 first loc_chain location if NULL before. Always use just
473 cur_loc instead of first loc_chain location. When cur_loc_changed
474 is false, when not --enable-checking=rtl just don't emit any note.
475 When rtl checking, compute the note and assert it is the same
476 as previous note. Clear cur_loc_changed and in_changed_variables
477 at the end before removing from changed_variables.
478 (check_changed_vars_3): New function.
479 (emit_notes_for_changes): Traverse changed_vars to call
480 check_changed_vars_3 on each changed var.
481 (emit_notes_for_differences_1): Clear cur_loc_changed and
482 in_changed_variables. Recompute cur_loc of new_var.
483 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
484 (vt_emit_notes): Initialize and destroy emitted_notes.
486 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
488 PR rtl-optimization/42220
489 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
490 Use verify_reg_tracked to determine if we should use OP_OUT rather
492 (build_def_use): If we see an in-out operand for a register that we
493 know nothing about, treat is an output if possible, fail the block if
496 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
499 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
502 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
505 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
506 uses of relevant DEFs that are dead outside the loop too.
508 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
510 * var-tracking.c (dataflow_set_merge): Swap src and src2.
512 2010-01-13 Jakub Jelinek <jakub@redhat.com>
514 * var-tracking.c (values_to_unmark): New variable.
515 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
516 values_to_unmark vector. Moved body to...
517 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
518 instead queue it into values_to_unmark vector.
519 (vt_find_locations): Free values_to_unmark vector.
521 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
523 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
524 (site.exp): Export them when plugins are enabled.
526 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
529 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
531 (chrec_fold_multiply): Same.
533 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
536 * c-decl.c (build_compound_literal): Return early if init is
539 2010-03-04 Martin Jambor <mjambor@suse.cz>
541 PR tree-optimization/43164
542 PR tree-optimization/43191
543 * tree-sra.c (type_consists_of_records_p): Reject records with
544 zero-size bit-fields at the end.
546 2010-03-04 Mike Stump <mikestump@comcast.net>
548 * Makefile.in (TAGS): Remove *.y.
550 2010-03-04 Richard Guenther <rguenther@suse.de>
552 PR tree-optimization/40761
553 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
555 (my_rev_post_order_compute): New function.
558 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
561 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
562 decrease the cost of an IV candidate when the cost is infinite.
564 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
566 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
567 Use '3DNow!' for the extension of that name, ensure normal space
569 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
571 2010-03-03 Jeff Law <law@redhat.com>
573 * PR middle-end/32693
574 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
576 (extract_bit_field_1): Likewise.
578 2010-03-03 Janis Johnson <janis187@us.ibm.com>
580 * doc/sourcebuild.texi (Test directives): Document that arguments
581 include-opts and exclude-opts are now optional for dg-skip-if,
582 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
584 2010-03-03 Jason Merrill <jason@redhat.com>
587 * cgraph.h (varpool_node): Add extra_name field.
588 * varpool.c (varpool_extra_name_alias): New.
589 (varpool_assemble_decl): Emit extra name aliases.
590 (varpool_mark_needed_node): Look past an extra name alias.
591 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
592 * lto-streamer-in.c (lto_input_tree): Read it.
593 * lto-streamer-out.c (output_unreferenced_globals): Write it.
595 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
597 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
598 (sparc*-*-solaris2*): ...this.
600 2010-03-03 Jakub Jelinek <jakub@redhat.com>
603 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
604 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
605 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
606 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
609 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
610 fallthrough to default handling, just with want_address 0 instead of 2.
611 For single element lists, add_AT_loc directly, otherwise create an
612 artificial variable DIE and stick location list to it.
615 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
616 (VAL_EXPR_HAS_REVERSE): Define.
617 (reverse_op): New function.
618 (add_stores): For reversible operations add an extra MO_VAL_USE.
620 2010-03-02 Jason Merrill <jason@redhat.com>
622 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
624 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
626 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
627 (sparc64-*-linux*): Likewise.
628 (sparc64-*-solaris2*): Include assembler files before linker ones.
629 (sparc-*-solaris2*): Simplify and reorder to match previous case.
630 * config/sparc/gas.h: Delete.
631 * config/sparc/sol2-64.h: Add copyright notice.
632 * config/sparc/sol2-gas-bi.h: Likewise.
633 * config/sparc/sol2-gld.h: Likewise.
634 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
635 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
636 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
637 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
638 (sparc_elf_asm_named_section): Rename into...
639 (sparc_solaris_elf_asm_named_section): ...this. Always define.
641 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
643 * config/alpha/alpha.c (override_options): Fix -mtune error message.
645 2010-03-02 Jeff Law <law@redhat.com>
648 * reload1.c (rtx_p, substitute_stack): Declare.
649 (substitute): Record addresses of changed rtxs.
650 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
651 Restore the original rtx when complete.
652 (reload): Free subsitute_stack when complete.
654 2010-03-02 Janis Johnson <janis187@us.ibm.com>
656 * doc/gccint.texi (menu): Add Testsuites as a chapter.
657 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
659 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
660 LTO Testing, gcov Testing, profopt Testing, compat Testing,
661 Torture Tests): Change from subsection to section.
663 2010-03-02 Jakub Jelinek <jakub@redhat.com>
664 Steven Bosscher <steven@gcc.gnu.org>
666 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
669 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
672 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
673 the assignment from the new induction variable to the assignment
674 of the value from the original loop PHI function.
676 2010-03-01 Janis Johnson <janis187@us.ibm.com>
677 Daniel Jacobowitz <dan@codesourcery.com>
679 * doc/sourcebuild.texi (Test directives): Clarify options to
682 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
684 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
685 Disable cfi directives unless GCC and gas agree on using read-only
686 .eh_frame sections for 64-bit.
687 * configure: Regenerate.
689 2010-03-01 Richard Guenther <rguenther@suse.de>
691 PR tree-optimization/43220
692 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
693 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
695 2010-03-01 Richard Guenther <rguenther@suse.de>
696 Martin Jambor <mjambor@suse.cz>
699 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
700 gimplified parameters.
702 2010-03-01 Christian Bruel <christian.bruel@st.com>
704 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
706 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
708 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
710 2010-03-01 Richard Guenther <rguenther@suse.de>
713 * expr.c (expand_assignment): Use the alias-oracle to tell
714 if the rhs aliases the result decl.
716 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
719 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
720 to sol_gt_pch_get_address.
721 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
722 64-bit, SPARC and x86.
723 (sol_gt_pch_get_address): New function.
725 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
727 * toplev.h (inform_n, error_n): Declare.
728 * diagnostic.c (inform_n, error_n): New function.
730 2010-03-01 Jakub Jelinek <jakub@redhat.com>
732 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
733 has no rtl yet when processing local_decls, queue it and recheck
734 if deferred stack allocation hasn't assigned it rtl.
736 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
738 * config/sh/sh.c (unspec_bbr_uid): New.
739 (gen_block_redirect): Use it instead of INSN_UID.
740 (gen_far_branch): Likewise.
742 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
744 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
745 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
747 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
749 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
750 (Warning Options): -Wno-conversion-null is valid for
751 Objective-C++ as well.
752 * doc/tm.texi (Named Address Spaces): Likewise.
753 * doc/plugins.texi (Plugins): Replace TABs with spaces.
754 * doc/tree-ssa.texi (Tree SSA): Likewise.
756 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
759 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
760 by default. Don't set the default arch for
761 i[34567]86-*-darwin*|x86_64-*-darwin*.
763 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
766 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
767 default. Set the default 32bit/64bit archs with $with_arch
768 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
770 2010-02-27 Richard Guenther <rguenther@suse.de>
772 PR tree-optimization/43186
773 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
774 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
775 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
778 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
780 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
781 required and i[34567]86-*-* targets don't support 64bit ISA.
783 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
786 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
789 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
791 * config.gcc: Set the default arch at least to Prescott for
792 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
793 if SSE math is enabled.
795 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
797 * diagnostic.c (diagnostic_initialize): Update.
798 (diagnostic_report_diagnostic): Test inhibit_notes_p for
800 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
801 (diagnostic_inhibit_notes): New.
802 * toplev.c (process_options): inhibit notes with -fcompare-debug.
804 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
807 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
808 * doc/standards.texi: Likewise.
809 * doc/extend.texi: Likewise.
810 * doc/trouble.texi: Likewise.
811 * doc/cppopts.texi: Likewise.
812 * doc/install.texi: Likewise.
813 * c.opt (std=c90,std=gnu90): New options.
814 * c-opts.c (c_common_handle_option): Handle them.
816 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
819 * c-decl.c (undeclared_variable): Use an informative note.
821 2010-02-26 Richard Guenther <rguenther@suse.de>
823 PR tree-optimization/43186
824 * gimple.h (gimple_fold): Remove.
825 * gimple.c (gimple_fold): Remove. Inline into single user ...
826 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
827 Try harder for conditions.
829 2010-02-26 Jakub Jelinek <jakub@redhat.com>
832 * function.c (used_types_insert): Don't skip through named pointer
833 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
834 and it is different from the main variant's type.
836 2010-02-26 Nick Clifton <nickc@redhat.com>
838 * config/rx/rx.md (sminsi3): Remove bogus alternative.
840 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
842 * config.gcc: Support --with-fpmath=sse for x86.
844 * config/i386/ssemath.h: New.
846 * doc/install.texi (--with-fpmath=sse): Documented.
848 2010-02-26 Richard Guenther <rguenther@suse.de>
850 PR tree-optimization/43188
851 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
852 vector types of over-aligned element type.
854 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
857 * config/i386/i386.c (expand_vec_perm_blend): Use correct
858 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
860 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
862 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
864 2010-02-26 Jakub Jelinek <jakub@redhat.com>
866 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
867 * var-tracking.c: Include diagnostic.h.
868 (debug_dv): New function.
869 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
872 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
873 (add_value_chain, add_value_chains, remove_value_chain,
874 remove_value_chains): Handle DEBUG_EXPRs.
875 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
878 * regcprop.c (struct queued_debug_insn_change): New type.
879 (struct value_data_entry): Add debug_insn_changes field.
880 (struct value_data): Add n_debug_insn_changes field.
881 (debug_insn_changes_pool): New variable.
882 (free_debug_insn_changes, apply_debug_insn_changes,
883 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
884 (kill_value_one_regno): Call free_debug_insn_changes if needed.
885 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
887 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
889 (copyprop_hardreg_forward_1): Don't call apply_change_group for
890 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
891 changes, call cprop_find_used_regs via note_stores.
892 (copyprop_hardreg_forward): When copying vd from predecessor
893 which has any queued DEBUG_INSN changes, make sure the pointers are
894 cleared. At the end call df_analyze and then if there are any
895 DEBUG_INSN changes queued at the end of some basic block for still
896 live registers, apply them.
897 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
899 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
901 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
904 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
906 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
907 targets. Set the default with_cpu/with_arch from arch/cpu.
908 Allow x86-64 and native for with_cpu/with_arch.
910 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
912 * ebitmap.c: Change calls to verify_popcount with calls to
913 sbitmap_verify_popcount.
914 (ebitmap_clear_bit): Fixed map->cacheindex test and
915 map>cache update when bit clearing results in an empty
918 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
921 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
922 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
923 and support both V2DF and V2DI modes.
924 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
925 support both V2DF and V2DI modes.
926 (general): Delete trailing whitespace from a few patterns.
928 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
929 V2DF/V2DI interleave high/low builtins.
931 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
934 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
935 interleave high/low functions.
937 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
939 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
940 #pragma extern_prefix.
942 2010-02-25 Jakub Jelinek <jakub@redhat.com>
945 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
946 BLKmode, assert op0 is a MEM and just adjust its mode.
949 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
950 if bitpos isn't multiple of mode's bitsize.
952 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
954 * c.opt (-ftemplate-depth=): New.
955 (-ftemplate-depth-): Deprecate.
956 * optc-gen.awk: Handle -ftemplate-depth=.
957 * opth-gen.awk: Likewise.
958 * c-opts.c (c_common_handle_option): Likewise.
959 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
961 2010-02-24 Jason Merrill <jason@redhat.com>
963 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
965 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
967 * cfg.c (alloc_aux_for_block): Remove inline.
968 (alloc_aux_for_edge): Likewise.
970 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
972 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
974 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
976 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
977 * config/i386/sol2-gas.h: New file.
978 * config.gcc (i[34567]86-*-solaris2*): Use it.
980 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
983 * c-typeck.c (ep_convert_and_check): New.
984 (build_conditional_expr): Use it.
985 (build_binary_op): Likewise.
987 2010-02-24 Jakub Jelinek <jakub@redhat.com>
989 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
992 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
994 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
995 expr needs to have DECL_NAME set.
997 2010-02-24 Nick Clifton <nickc@redhat.com>
999 * config/mep/mep.c: Include gimple.h.
1000 (mep_function_uses_sp): Delete unused function.
1001 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1002 parameters. Use unsigned integers to count args. Return a
1003 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1005 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1008 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1009 greater or equal to nelt instead of 2 * nelt.
1010 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1013 2010-02-23 Jason Merrill <jason@redhat.com>
1016 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1017 in cfun->local_decls even if they have register types.
1020 * stor-layout.c (place_field): Don't warn about unnecessary
1021 DECL_PACKED if the type is packed.
1023 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1026 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1027 GOTOFF relocs, even when the base reg isn't pic pointer.
1029 2010-02-23 Michael Matz <matz@suse.de>
1032 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1033 (expand_gimple_basic_block): Generate and use debug temps if there
1034 are debug uses left after the last real use of TERed ssa names.
1035 Unlink debug immediate uses when they are expanded.
1037 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1040 * config/i386/i386.c (override_options): Reorganise to provide
1041 better error messages.
1043 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1046 * graphite-scop-detection.c (create_single_exit_edge): Move
1047 the call to find_single_exit_edge to....
1048 (create_sese_edges): ...here. Don't handle multiple edges
1049 exiting the function.
1050 (build_graphite_scops): Don't handle multiple edges
1051 exiting the function.
1053 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1056 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1057 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1059 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1062 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1064 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1067 * c-typeck.c (convert_arguments): Print declaration location.
1068 * c-common.c (validate_nargs): Rename as
1069 builtin_function_validate_nargs.
1070 (check_builtin_function_arguments): Update.
1072 2010-02-22 Richard Guenther <rguenther@suse.de>
1075 * tree-inline.c (declare_return_variable): Use the type of
1076 the call stmt lhs if available.
1078 2010-02-22 Duncan Sands <baldrick@free.fr>
1080 * passes.c (register_pass): Always consider all pass lists when
1081 ref_pass_instance_number is zero.
1083 2010-02-22 Richard Guenther <rguenther@suse.de>
1085 PR tree-optimization/42749
1086 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1087 parameter. Do arithmetic in the original type.
1088 (update_accumulator_with_ops): Likewise.
1089 (adjust_accumulator_values): Adjust.
1091 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1093 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1094 (QI to BLKmode splitter): New splitter.
1096 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1098 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1099 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1101 2010-02-22 Richard Guenther <rguenther@suse.de>
1103 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1105 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1107 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1108 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1109 ($(T)crti.o, $(T)crtn.o): Remove rules.
1111 2010-02-21 Tobias Burnus <burnus@net-b.de>
1114 * doc/invoke.texi (-fassociative-math): Document that this
1115 option is automatically enabled for Fortran.
1117 2010-02-20 David S. Miller <davem@davemloft.net>
1119 * configure.ac: Test if linker and assembler properly support
1120 GOTDATA_OP relocations.
1121 * configure: Rebuild.
1122 * config.in: Likewise.
1123 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1124 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1125 (movsi_high_pic): Likewise.
1126 (movdi_lo_sum_pic): Likewise.
1127 (movdi_high_pic): Likewise.
1128 (movsi_pic_gotdata_op): New pattern.
1129 (movdi_pic_gotdata_op): Likewise.
1130 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1131 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1133 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1136 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1137 attribute to ssemul.
1138 (xop_mulv2div2di3_high): Ditto.
1140 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1143 * c.opt (Wconversion-null): New option.
1144 * doc/invoke.texi (Wconversion-null): Document.
1146 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1148 * common.opt (Wlarger-than-): Add Undocumented.
1150 2010-02-19 Mike Stump <mikestump@comcast.net>
1152 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1154 2010-02-19 Jason Merrill <jason@redhat.com>
1157 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1158 * configure: Likewise.
1160 2010-02-20 Alan Modra <amodra@gmail.com>
1163 * cgraph.h (cgraph_make_decl_local): Declare.
1164 * cgraph.c (cgraph_make_decl_local): New function.
1165 (cgraph_make_node_local): Use it.
1166 * cgraphunit.c (cgraph_function_versioning): Likewise.
1167 * ipa.c (function_and_variable_visibility): Likewise.
1169 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1172 * except.c (sjlj_emit_function_enter): Don't call
1173 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1175 * rtl.h (add_reg_br_prob_note): Remove prototype.
1177 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1180 * c-common.c (conversion_warning): Remove widening conversions
1181 before checking the conversion of integers to reals.
1183 2010-02-19 Mike Stump <mikestump@comcast.net>
1186 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1189 * cgraphunit.c (process_function_and_variable_attributes): Check
1190 DECL_PRESERVE_P instead of looking up attribute "used".
1191 * ipa-pure-const.c (check_decl): Likewise.
1192 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1193 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1194 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1195 instead of attribute "used".
1196 * config/sol2-c.c (solaris_pragma_init): Likewise.
1197 (solaris_pragma_fini): Likewise.
1199 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1201 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1202 Use XCNEW instead of xcalloc.
1203 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1204 XNEW instead of xmalloc.
1205 (get_fields): Use XNEWVEC instead of xmalloc.
1208 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1209 populate vars array.
1210 (create_new_general_access): For debug stmts just reset value.
1211 (get_stmt_accesses): For accesses within debug stmts just record them
1212 using add_access_to_acc_sites instead of preventing the peeling or
1213 counting them as accesses.
1216 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1218 2010-02-19 Richard Guenther <rguenther@suse.de>
1220 PR tree-optimization/42916
1221 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1224 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1226 * configure.ac: Replace all uses of changequote in macro arguments
1227 with proper quoting.
1229 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1232 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1234 2010-02-19 Richard Guenther <rguenther@suse.de>
1236 PR tree-optimization/42944
1237 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1238 test for aliasing with errno.
1240 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1243 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1244 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1245 * dojump.c: Include output.h.
1246 (inv): New inline function.
1247 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1248 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1249 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1250 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1251 argument, pass it down to other calls.
1252 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1253 add REG_BR_PROB note to the conditional jump.
1254 * cfgexpand.c (add_reg_br_prob_note): Removed.
1255 (expand_gimple_cond): Don't call it, add the probability
1256 as last argument to jumpif_1/jumpifnot_1.
1257 * Makefile.in (dojump.o): Depend on output.h.
1258 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1260 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1261 * stmt.c (do_jump_if_equal): Likewise.
1262 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1263 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1264 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1266 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1267 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1268 jumpifnot_1 callers.
1269 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1271 (store_expr): Adjust jumpifnot caller.
1272 (store_constructor): Adjust jumpif caller.
1275 * gimplify.c (gimple_boolify): For __builtin_expect call
1276 gimple_boolify also on its first argument.
1278 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1280 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1282 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1283 * configure: Regenerated.
1285 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1287 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1288 lang_hooks.types_compatible_p instead of comptypes.
1290 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1292 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1293 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1294 if __prefer_thumb__ is defined.
1296 2010-02-18 Martin Jambor <mjambor@suse.cz>
1298 PR tree-optimization/43066
1299 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1300 array with zero-sized element type.
1302 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1304 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1305 rtx, allocate struct var_loc_node here and return it to the
1306 caller, and only if it is actually needed.
1307 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1308 move it earlier and return immediately if it returns NULL.
1310 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1312 * config/sparc/gas.h: New file. Restore
1313 TARGET_ASM_NAMED_SECTION to its ELF default.
1314 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1316 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1317 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1318 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1319 after sparc/sysv4.h.
1321 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1323 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1325 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1327 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1328 patterns from predicated pattern.
1330 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1333 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1334 for insn mnemonic suffix.
1336 2010-02-17 Richard Guenther <rguenther@suse.de>
1338 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1341 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1344 * caller-save.c (save_call_clobbered_regs): If BB ends with
1345 a DEBUG_INSN, move any notes in between last real insn and the last
1346 DEBUG_INSN after the last DEBUG_INSN.
1348 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1350 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1351 Fix return type. Fix argument type. Explain meaning of return value.
1353 2010-02-16 Richard Guenther <rguenther@suse.de>
1355 PR tree-optimization/41043
1356 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1357 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1359 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1361 2010-02-16 Ira Rosen <irar@il.ibm.com>
1363 PR tree-optimization/43074
1364 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1365 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1366 vectorizable cycles in hybrid SLP check.
1367 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1369 2010-02-16 Richard Guenther <rguenther@suse.de>
1371 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1372 (true_dependence): If memrefs_conflict_p computes must-alias
1373 trust it. Move TBAA check after offset-based disambiguation.
1374 (canon_true_dependence): Likewise.
1376 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1378 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1379 * doc/invoke.texi: Document it.
1380 * var-tracking.c: Include toplev.h and params.h.
1381 (vt_find_locations): Return bool indicating success. Compute
1382 hash sizes unconditionally. Check new parameter, report.
1383 (variable_tracking_main_1): Check vt_find_locations results and
1384 retry. Renamed from...
1385 (variable_tracking_main): ... this. New wrapper to preserve
1386 flag_var_tracking_assignments.
1387 * Makefile.in (var-tracking.o): Adjust dependencies.
1389 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1390 Jakub Jelinek <jakub@redhat.com>
1393 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1394 if weak_import attribute is present.
1395 * config/darwin.c (machopic_select_section): Likewise.
1397 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1399 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1400 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1401 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1402 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1404 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
1407 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1410 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1411 Rewrite text to refer to the names.
1413 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1415 * config/i386/i386-builtin-types.def
1416 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1417 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1418 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1419 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1420 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1421 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1422 IX86_BUILTIN_VPERMIL2PS256.
1423 (MULTI_ARG_4_DF2_DI_I): Defined.
1424 (MULTI_ARG_4_DF2_DI_I1): Defined.
1425 (MULTI_ARG_4_SF2_SI_I): Defined.
1426 (MULTI_ARG_4_SF2_SI_I1): Defined.
1427 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1428 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1429 __builtin_ia32_vpermil2ps256.
1430 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1431 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1432 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1433 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1434 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1435 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1436 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1437 CODE_FOR_xop_vpermil2v8sf3.
1438 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1439 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1440 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1441 (_mm256_permute2_pd): New.
1442 (_mm_permute2_ps): New.
1443 (_mm256_permute2_ps): New.
1445 2010-02-15 Nick Clifton <nickc@redhat.com>
1447 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
1448 boolean parameters. Use emit_jump_insn when emitting a pop
1449 instruction containing a return insn.
1450 (push): Use 'true' rather than '1' as second parameter to F.
1451 (h8300_expand_prologue): Likewise.
1452 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1453 (h8300_expand_epilogue): Likewise.
1455 2010-02-15 Richard Guenther <rguenther@suse.de>
1458 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1461 2010-02-15 Nick Clifton <nickc@redhat.com>
1463 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1466 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1468 * intl.c (fake_ngettext): New function.
1469 * intl.h (fake_ngettext): Declare.
1470 (ngettext): Define macro.
1471 * collect2.c (notice_translated): New function.
1472 (main): Use notice_translated and ngettext.
1473 * collect2.h (notice_translated): Declare.
1475 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1477 * reorg.c (delete_computation): Comment fixes.
1478 * caller-save.c (setup_save_areas): Idem.
1479 * sel-sched-dump.c (dump_lv_set): Idem.
1482 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1484 * config/s390/s390.c (s390_sched_init): New function.
1485 (TARGET_SCHED_INIT): Target hook defined.
1487 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1488 Jack Howarth <howarth@bromo.med.uc.edu>
1489 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1492 Partial revert of unintended change in fix for PR41605.
1493 * config/darwin.h: Fix typo.
1494 * config/darwin9.h: Same.
1496 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1498 * c-pch.c (pch_init): Clear v.
1500 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1503 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1504 graphite_can_represent_init for MULT_EXPR.
1506 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1510 * graphite-sese-to-poly.c (remove_phi): New.
1511 (translate_scalar_reduction_to_array): Call remove_phi.
1513 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1516 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1517 * graphite-clast-to-gimple.h (gloog): Update declaration.
1518 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1519 * graphite-poly.h (struct poly_bb): Add missing comments.
1520 (struct scop): Add poly_scop_p field.
1522 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1523 * graphite.c (graphite_transform_loops): Build the polyhedral
1524 representation for each scop before code generation.
1525 * sese.c (rename_variables_in_operand): Removed.
1526 (rename_variables_in_expr): Return the renamed expression.
1527 (rename_sese_parameters): New.
1528 * sese.h (rename_sese_parameters): Declared.
1530 2010-02-11 Richard Guenther <rguenther@suse.de>
1532 PR tree-optimization/42998
1533 * tree-ssa-pre.c (create_expression_by_pieces): Treat
1534 POINTER_PLUS_EXPR properly.
1536 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1537 Changpeng Fang <changpeng.fang@amd.com>
1540 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
1541 the cost of an IV candidate when the IV is used in a test against zero.
1543 * gcc.dg/tree-ssa/ivopts-3.c: New.
1545 2010-02-11 Richard Guenther <rguenther@suse.de>
1548 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
1549 pointer-vs-decl case by swapping refs. Handle some cases
1550 of pointer-vs-decl disambiguations more conservatively.
1551 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
1552 to false after expanding.
1554 2010-02-11 Richard Guenther <rguenther@suse.de>
1557 * gcc.c (process_command): Handle LTO file@offset case more
1560 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1562 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1563 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1565 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1567 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1568 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1569 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1570 Optimize eq/ne comparisons when both arguments are known to be
1572 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1573 Don't mask operands unnecessarily if they are known to be already
1576 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1578 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1581 2010-02-10 Richard Guenther <rguenther@suse.de>
1583 PR tree-optimization/43017
1584 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1585 for wrapping signed arithmetic.
1587 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1590 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1591 if no debug info should be emitted for it.
1593 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1595 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1596 note when flag_exceptions is set.
1598 2010-02-10 Duncan Sands <baldrick@free.fr>
1600 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1602 2010-02-10 Richard Guenther <rguenther@suse.de>
1605 * tree.c (get_unwidened): Handle constants.
1606 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1608 2010-02-10 Martin Jambor <mjambor@suse.cz>
1611 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1612 check for variable argument counts independently.
1614 2010-02-10 Christian Bruel <christian.bruel@st.com>
1617 * config/sh/sh.c (find_barrier): Increase length for non delayed
1618 conditional branches.
1620 2010-02-10 Christian Bruel <christian.bruel@st.com>
1622 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1624 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1626 * builtins.c (set_builtin_user_assembler_name): Also handle
1627 ffs if int is smaller than word.
1629 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1632 * ira-conflicts.c (get_dup): Remove.
1633 (process_reg_shuffles): Add new parameter. Use it as an
1634 additional guard for copy generation.
1635 (add_insn_allocno_copies): Rewrite.
1637 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1639 * common.opt (fsched2-use-traces): Preserved for backward
1641 * doc/invoke.texi: Remove the documentation about option
1642 -fsched2-use-traces.
1643 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1644 flag_sched2_use_traces.
1645 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1646 the backward compatibility flag section.
1648 2010-02-09 Richard Guenther <rguenther@suse.de>
1650 PR tree-optimization/43008
1651 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1652 make HEAP variables initialized from global memory if they
1653 are not known builtin functions.
1654 (find_func_aliases): Adjust.
1656 2010-02-09 Richard Guenther <rguenther@suse.de>
1658 PR tree-optimization/43000
1659 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1660 arithmetic manually.
1662 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1664 PR tree-optimization/42931
1665 * tree-loop-linear.c (try_interchange_loops): Don't call
1666 double_int_mul if estimated_loop_iterations failed.
1668 2010-02-08 Martin Jambor <mjambor@suse.cz>
1671 * tree-sra.c (build_accesses_from_assign): Do not mark in
1672 should_scalarize_away_bitmap if stmt has volatile ops.
1673 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1676 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1678 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1680 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1682 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1685 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1688 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1690 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1693 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1694 to unknown_dependence.
1695 (graphite_legal_transform_dr): Handle the unknown_dependence.
1696 (graphite_carried_dependence_level_k): Same.
1698 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1700 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1702 2010-02-07 Richard Guenther <rguenther@suse.de>
1705 * expr.c (get_inner_reference): Always initialize *pbitsize.
1707 2010-02-07 Richard Guenther <rguenther@suse.de>
1710 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1711 new ARRAY_REFs on variable size element or minimal index arrays.
1713 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1714 gimple_fold_indirect_ref.
1716 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1719 * arm.c (arm_override_options): Just return if the user has specified
1720 an invalid fpu name.
1722 2010-02-03 Jason Merrill <jason@redhat.com>
1725 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1726 i386_pe_maybe_record_exported_symbol.
1728 2010-02-05 Steve Ellcey <sje@cup.hp.com>
1731 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1732 (pa_delegitimize_address): New function.
1734 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
1736 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
1737 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
1739 2010-02-05 Richard Guenther <rguenther@suse.de>
1742 * lto-streamer-in.c (get_resolution): Deal with references
1743 to undefined functions.
1745 2010-02-05 Richard Guenther <rguenther@suse.de>
1747 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
1748 (fold_const_aggregate_ref): Likewise.
1749 (ccp_fold_stmt): Substitute loads.
1750 (maybe_fold_reference): Verify types before substituting.
1752 (fold_gimple_assign): Unshare properly.
1753 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
1755 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
1757 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
1758 for rs6000_gen_cell_microcode.
1760 2010-02-04 Richard Guenther <rguenther@suse.de>
1762 PR rtl-optimization/42952
1763 * dse.c (const_or_frame_p): Remove MEM handling.
1765 2010-02-04 Nick Clifton <nickc@redhat.com>
1767 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
1768 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
1769 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
1770 (mn10300_asm_output_mi_thunk): New function.
1771 (mn10300_can_output_mu_thunk): New function.
1772 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
1773 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
1774 (FUNCTION_ARG): Delete incorrect comment.
1776 2010-02-03 Jason Merrill <jason@redhat.com>
1779 * fold-const.c (operand_equal_p): Handle erroneous types.
1781 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1783 * config/h8300/h8300.md (can_delay): Fix attibute condition.
1785 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
1787 PR rtl-optimization/42941
1788 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
1791 2010-02-03 Jason Merrill <jason@redhat.com>
1794 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
1796 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
1799 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
1800 (cselib_reset_table): Renamed from...
1801 (cselib_reset_table_with_next_value): ... this.
1802 (cselib_get_next_uid): Renamed from...
1803 (cselib_get_next_unknown_value): ... this.
1804 * cselib.c (next_uid): Renamed from...
1805 (next_unknown_value): ... this.
1806 (cselib_clear_table): Adjust.
1807 (cselib_reset_table): Adjust. Renamed from...
1808 (cselib_reset_table_with_next_value): ... this.
1809 (cselib_get_next_uid): Adjust. Renamed from...
1810 (cselib_get_next_unknown_value): ... this.
1811 (get_value_hash): Use hash.
1812 (cselib_hash_rtx): Likewise.
1813 (new_cselib_val): Adjust. Set and dump uid.
1814 (cselib_lookup_mem): Pass next_uid as hash.
1815 (cselib_subst_to_values): Likewise.
1816 (cselib_log_lookup): Dump uid.
1817 (cselib_lookup): Pass next_uid as hash. Adjust.
1818 (cselib_process_insn): Adjust.
1819 (cselib_init): Initialize next_uid.
1820 (cselib_finish): Adjust.
1821 (dump_cselib_table): Likewise.
1822 * dse.c (canon_address): Dump value uid.
1823 * print-rtl.c (print_rtx): Print value uid.
1824 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
1826 (dv_uid): New function, sort of renamed from...
1827 (dv_htab_hash): ... this, reimplemented in terms of it and...
1828 (dv_uid2hash): ... this. New.
1829 (variable_htab_eq): Drop excess assertions.
1830 (tie_break_pointers): Removed.
1831 (canon_value_cmp): Compare uids.
1832 (variable_post_merge_New_vals): Print uids.
1833 (vt_add_function_parameters): Adjust.
1834 (vt_initialize): Reset table. Adjust.
1836 2010-02-03 Richard Guenther <rguenther@suse.de>
1838 PR tree-optimization/42944
1839 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
1840 (call_may_clobber_ref_p_1): Likewise. Properly handle
1841 malloc and calloc clobbering errno.
1843 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
1845 * doc/invoke.texi: Fix name of sched1 dump.
1847 * opts.c (decode_options): Set flag_tree_switch_conversion
1848 only conditionally on optimize >= 2.
1850 * gcse.c: Assorted comment fixes in pass description.
1852 2010-02-03 Anthony Green <green@moxielogic.com>
1854 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
1855 nop padding in order to maintain alignment of storage location of
1856 target function address.
1857 (moxie_trampoline_init): Store target function address at newly
1859 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
1861 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
1863 2010-02-03 Richard Guenther <rguenther@suse.de>
1866 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
1868 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1870 * config.gcc: Reenable check for obsolete targets.
1871 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
1872 mips-sgi-irix6.[0-4]*.
1874 2010-02-02 Nick Clifton <nickc@redhat.com>
1876 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
1877 constant size of 4 as being the same as 0.
1878 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
1879 can take values in the range 0..4.
1881 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
1884 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
1885 as _darwin10_Unwind_FindEnclosingFunction().
1886 * libgcc-libsystem.ver: New.
1888 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
1891 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
1892 implicitly set registers.
1894 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
1896 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
1897 (arm_override_options): Allow automatic selection of the thread
1898 pointer register if thumb2.
1899 (legitimize_pic_address): Improve code sequences for Thumb2.
1900 (arm_call_tls_get_addr): Likewise.
1901 (legitimize_tls_address): Likewise.
1902 * arm.md (pic_load_addr_arm): Delete. Replace with ...
1903 (pic_load_addr_32bit): ... this. New named pattern.
1904 * thumb2.md (pic_load_addr_thumb2): Delete.
1905 (pic_load_dot_plus_four): Delete.
1906 (tls_load_dot_plus_four): New named pattern.
1908 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1911 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
1912 Document fix for TLS bug.
1914 2010-01-31 Richard Guenther <rguenther@suse.de>
1916 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
1917 conservatively correct.
1919 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1923 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1925 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
1927 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1929 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
1931 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
1933 * config.gcc: Adjust order of makefile fragments for mingw targets.
1935 2010-01-31 Richard Guenther <rguenther@suse.de>
1938 * gimplify.c (gimplify_init_constructor): For volatile LHS
1939 initialize a temporary.
1941 2010-01-31 Matthias Klose <doko@ubuntu.com>
1943 * configure.ac: Fix __stack_chk_fail check for cross builds configured
1945 * configure: Regenerate.
1947 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
1949 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1950 the same alias set and their sizes different constantness.
1951 (aliasing_component_refs_p): Revert 2009-10-24 change.
1953 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1955 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
1958 2010-01-29 Richard Guenther <rguenther@suse.de>
1960 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
1961 Assert we successfully updated the call.
1963 2010-01-29 Jakub Jelinek <jakub@redhat.com>
1965 PR rtl-optimization/42889
1966 * df.h (df_set_bb_dirty_nonlr): New prototype.
1967 * df-core.c (df_set_bb_dirty_nonlr): New function.
1968 * df-scan.c (df_insn_rescan): Call it instead of
1969 df_set_bb_dirty for DEBUG_INSNs.
1971 2010-01-29 Richard Guenther <rguenther@suse.de>
1974 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
1975 quadratic behavior in most cases.
1977 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
1980 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
1981 in the call to gen_x86_movsicc_0_m1.
1983 2010-01-28 Richard Guenther <rguenther@suse.de>
1985 PR tree-optimization/42871
1986 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
1988 2010-01-28 Richard Guenther <rguenther@suse.de>
1990 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
1991 into call arguments.
1993 2010-01-28 Richard Guenther <rguenther@suse.de>
1996 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
1997 the forwarder if the destination is an EH landing pad.
1999 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2001 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2002 block list passed to gimple_duplicate_sese_tail.
2003 (parallelize_loops): Avoid parallelization when the function
2005 Avoid parallelization when the preheader is IRREDUCIBLE.
2006 Try to optimize when estimated_loop_iterations_int is unresolved.
2007 Add the loop's location to the dump file.
2008 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2009 (gimple_duplicate_sese_tail): Remove the check for the latch.
2010 Redirect nexits to the exit block.
2011 Remove handling of the incoming edges to the latch.
2012 Redirect the backedge from the copied latch to the exit bb.
2014 2010-01-28 Michael Matz <matz@suse.de>
2017 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2018 Wrap force_reg into a sequence, emit it before user.
2020 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2022 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2024 (arm_legacy_rev): Likewise.
2025 (thumb_legacy_rev): Likewise.
2027 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2029 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2030 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2031 on MEM's address failed, try avoid_constant_pool_reference and
2032 recurse if it returned something different.
2033 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2034 address, try avoid_constant_pool_reference and recurse if it
2035 returned something different.
2036 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2037 address and avoid_constant_pool_reference returned something
2038 different, don't set have_address.
2040 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2043 * var-tracking.c (val_store): Add modified argument, obey it.
2045 (count_uses): Move down logging of main.
2046 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2047 don't need resolution.
2048 (emit_notes_in_bb): Likewise.
2050 2010-01-27 Richard Guenther <rguenther@suse.de>
2053 * tree-inline.c (remap_decl): Delay remapping of SSA name
2054 default definitions until we need them.
2056 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2058 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2059 (rs6000_delegitimize_address): New function.
2061 * config/s390/s390.c (s390_delegitimize_address): Call
2062 delegitimize_mem_from_attrs.
2065 * tree-inline.c (cannot_copy_type_1): Removed.
2066 (copy_forbidden): Don't forbid copying of functions containing
2067 records/unions with variable length fields.
2069 2010-01-27 Christian Bruel <christian.bruel@st.com>
2073 * config/sh/sh.c (find_barrier): Increase length for non delayed
2074 conditional branches.
2076 2010-01-27 Matthias Klose <doko@ubuntu.com>
2078 * configure.ac (gnu-unique-object): Fix ldd version check.
2079 * configure: Regenerate.
2081 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2083 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2085 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2086 Test for HAVE_GNU_AS value.
2088 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2090 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2091 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2092 INT64_TYPE): Define.
2093 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2094 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2095 INT_LEAST64_TYPE): Define.
2096 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2097 UINT_LEAST64_TYPE): Define.
2098 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2099 INT_FAST64_TYPE): Define.
2100 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2101 UINT_FAST64_TYPE): Define.
2102 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2103 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2104 (SIG_ATOMIC_TYPE): Define.
2106 2010-01-26 Richard Guenther <rguenther@suse.de>
2108 * df-scan.c (df_scan_set_bb_info): Remove assert.
2109 (df_insn_rescan_debug_internal): Merge asserts.
2110 (df_install_ref): Likewise.
2111 (df_mark_reg): Use bitmap_set_range.
2112 (df_hard_reg_used_p): Remove assert.
2113 (df_hard_reg_used_count): Likewise.
2115 2010-01-26 Richard Guenther <rguenther@suse.de>
2117 PR rtl-optimization/42685
2118 * web.c (web_main): Ignore DEBUG_INSNs.
2120 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2122 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2124 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2125 Fix types of fndecl and arglist parameters.
2127 2010-01-26 Richard Guenther <rguenther@suse.de>
2130 * tree-eh.c (unsplit_eh): Skip debug insns.
2132 2010-01-26 Richard Guenther <rguenther@suse.de>
2134 PR tree-optimization/42250
2135 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2137 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2140 * omp-low.c (expand_omp_sections): Only use single_pred if
2141 l2_bb is single_pred_p.
2143 2010-01-25 Christian Bruel <christian.bruel@st.com>
2146 * config/sh/sh.c (find_barrier): Increase length for non delayed
2147 conditional branches.
2148 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2150 2010-01-24 David S. Miller <davem@davemloft.net>
2152 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2153 define if not using GAS.
2154 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2155 Likewise. Delete SECTION_MERGE code, which is only applicable
2158 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2161 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2162 mangling of va_list in system headers.
2164 2010-01-23 Toon Moene <toon@moene.org>
2166 * tree-predcom.c (combine_chains): Return NULL, not false.
2168 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2170 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2171 initialization of variable res to agree with return type.
2173 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2175 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2176 * tree-sra.c: Add include of expr.h.
2178 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2180 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2181 insert the debug stmt on the single non-EH edge from the stmt.
2183 2010-01-22 Richard Henderson <rth@redhat.com>
2186 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2187 the RHS until after generate_subtree_copies has insertted its
2188 code before the current statement.
2190 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2192 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2194 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2196 2010-01-21 Martin Jambor <mjambor@suse.cz>
2198 PR tree-optimization/42585
2199 * tree-sra.c (struct access): New field grp_total_scalarization.
2200 (dump_access): Dump the new field.
2201 (should_scalarize_away_bitmap): New variable.
2202 (cannot_scalarize_away_bitmap): Likewise.
2203 (sra_initialize): Allocate new bitmaps.
2204 (sra_deinitialize): Free new bitmaps.
2205 (create_access_1): New function.
2206 (create_access): Parts moved to create_access_1.
2207 (type_consists_of_records_p): New function.
2208 (completely_scalarize_record): Likewise.
2209 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2210 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2211 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2213 (analyze_all_variable_accesses): Completely scalarize small eligible
2216 2010-01-21 Martin Jambor <mjambor@suse.cz>
2218 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2220 2010-01-21 Andrew Haley <aph@redhat.com>
2222 * gcc.c (process_command): Move lang_specific_driver before
2223 setting cc_libexec_prefix.
2225 2010-01-21 Richard Guenther <rguenther@suse.de>
2228 * fold-const.c (negate_expr_p): Pretend only negative
2229 real constants are easily negatable.
2231 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2232 Jason Merrill <jason@redhat.com>
2234 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2235 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2236 * calls.c (initialize argument_information): Handle it.
2237 * c-common.c (handle_transparent_union_attribute): Use new name.
2238 * c-decl.c (finish_struct): Ditto.
2239 * c-typeck.c (type_lists_compatible_p): Ditto.
2240 (convert_for_assignment): Use new name and also handle record.
2241 * function.c (aggregate_value_p): Handle it.
2242 (pass_by_reference): Ditto.
2243 (assign_parm_data_types): Ditto.
2244 * print-tree.c (print_node): Ditto.
2245 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2246 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2247 * tree.c (first_field): New fn.
2249 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2252 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2253 even when linking statically, for now.
2255 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2258 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2259 without a cselib val.
2260 (count_uses): Accept MO_VAL_SET with no val on stores.
2261 (add_stores): Likewise.
2263 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2265 * var-tracking.c (check_value_val): Add a compile time assertion.
2266 (dv_is_decl_p): Simplify.
2267 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2268 gcc_assert if ENABLE_CHECKING.
2270 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2273 * var-tracking.c: Include tree-flow.h.
2274 (mem_dies_at_call): New.
2275 (dataflow_set_preserve_mem_locs): Use it.
2276 (dataflow_set_remove_mem_locs): Likewise.
2277 (dump_var): Renamed from dump_variable. Adjust all callers.
2278 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2279 * Makefile.in (var-tracking.o): Adjust deps.
2281 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2283 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2285 2010-01-20 Richard Guenther <rguenther@suse.de>
2287 PR tree-optimization/42717
2288 * tree-ssa-dce.c (get_live_post_dom): Remove.
2289 (forward_edge_to_pdom): Take an arbitrary edge to copy
2290 degenerate PHI args from.
2291 (remove_dead_stmt): Use the first post-dominator even if it
2292 does not contain live statements as redirection destination.
2294 2010-01-20 Richard Guenther <rguenther@suse.de>
2296 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2298 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2300 * sel-sched.c (create_speculation_check): Remove set but not used
2302 (try_transformation_cache): Remove set but not used variable ds.
2303 (calculate_privileged_insns): Remove set but not used variables
2304 cur_insn and min_spec_insn.
2305 (find_best_expr): Remove set but not used variable avail_n.
2306 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2308 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2310 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2311 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2314 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2317 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2318 cpu types. Add support for *-sse3 cpu types.
2319 (x86_64-*-*): Ditto.
2321 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2324 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2325 argument, call initializer_constant_valid_p_1 instead of
2326 initializer_constant_valid_p, pass CACHE to it, return NULL
2327 immediately if first call returns NULL.
2328 (initializer_constant_valid_p_1): New function.
2329 (initializer_constant_valid_p): Use it.
2331 2010-01-20 Thomas Quinot <quinot@adacore.com>
2333 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2335 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2337 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2338 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2339 (loc_list_from_tree): Don't handle unsigned division. Handle
2340 signed modulo using DW_OP_{over,over,div,mul,minus}.
2341 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2342 modulo instead of signed.
2344 2010-01-20 DJ Delorie <dj@redhat.com>
2346 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2348 (h8300_emit_stack_adjustment): Propogate it.
2350 (h8300_expand_prologue): Likewise.
2351 (h8300_expand_epilogue): Likewise.
2353 2010-01-19 Michael Matz <matz@suse.de>
2355 PR tree-optimization/41783
2356 * tree-data-ref.c (toplevel): Include flags.h.
2357 (dump_data_dependence_relation): Also dump the inputs if the
2358 result will be unknown.
2359 (split_constant_offset_1): Look through some conversions.
2360 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2361 the offset from last element is too large.
2362 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2363 (reassociate_to_the_same_stmt): Handle vector registers.
2364 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2366 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2367 wide_prolog_niters argument, emit widening instructions.
2368 (vect_do_peeling_for_alignment): Adjust caller, use widened
2369 variant of the iteration cound.
2370 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2372 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2375 * config/arm/neon-testgen.m (emit_automatics): New parameter
2376 features. Adjust for Fixed_return_reg feature.
2377 (test_intrinsic): Call emit_automatics with new feature.
2378 * config/arm/neon.ml: Update copyright years.
2379 (features): New Fixed_return_reg feature.
2380 (ops): Update feature for Vget_low.
2382 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2384 PR tree-optimization/42719
2385 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2389 * fwprop.c (all_uses_available_at): Return false if def_set dest
2390 is a REG that is used in def_insn.
2392 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2394 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2396 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2399 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2401 * target.h (struct gcc_target) <secondary_reload>: Change type
2402 of last argument to secondary_reload_info *.
2404 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2407 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2408 memory references with unaligned offsets. Remove CQImode handling.
2409 (unaligned_memory_operand): Return 1 for memory references with
2410 unaligned offsets. Remove CQImode handling.
2412 2010-01-18 Richard Guenther <rguenther@suse.de>
2415 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2418 2010-01-18 Richard Guenther <rguenther@suse.de>
2420 PR tree-optimization/42781
2421 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2422 restrict processing only if the original variable was artificial.
2424 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2426 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2427 find number of popped argument bytes.
2429 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2430 Fix the text that describes the return value for invalid insns.
2432 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2434 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2435 Clarify what 'cost of the -dependence' is. Fix quoting.
2437 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2438 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2440 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2442 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2443 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2445 2010-01-17 Richard Guenther <rguenther@suse.de>
2448 * function.c (split_complex_args): Take a VEC to modify.
2449 (assign_parms_augmented_arg_list): Build a VEC instead of
2450 a chain of PARM_DECLs.
2451 (assign_parms_unsplit_complex): Take a VEC of arguments.
2452 Do not fixup unmodified parms.
2453 (assign_parms): Deal with the VEC.
2454 (gimplify_parameters): Likewise.
2456 2010-01-17 Richard Guenther <rguenther@suse.de>
2458 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2459 node existence check.
2460 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2461 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2462 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2463 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2464 (gimple_execute_on_growing_pred): Likewise.
2466 2010-01-17 Richard Guenther <rguenther@suse.de>
2468 PR tree-optimization/42773
2469 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2470 (compute_antic_aux): Likewise.
2471 (compute_partial_antic_aux): Likewise.
2473 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2476 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2479 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2481 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2484 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2485 Fix markup for strict argument.
2487 (TARGET_SCHED_REORDER2): Fix argument types.
2489 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2490 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2492 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2493 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2495 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2498 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2499 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2500 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2501 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2502 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2504 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2506 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2508 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2509 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
2511 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
2513 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
2516 (TARGET_ASM_NAMED_SECTION): Fix argument list.
2518 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
2519 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
2521 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
2523 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
2525 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
2526 referring to it. Fix language.
2528 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
2530 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
2532 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
2534 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
2536 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
2537 '@var{stream}. Remove stray 'and'.
2539 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
2541 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
2543 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
2545 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
2546 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
2548 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
2549 Fix description of return value.
2550 Rename argument "sz" to "len."
2552 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
2553 Clarify meaning of 'true' return value.
2555 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
2557 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2558 rep_mode versus mode_rep.
2560 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2562 (TARGET_BUILTIN_DECL): Fix name.
2564 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2566 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2568 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2570 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2572 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2574 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2577 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2578 Rename argument tm_fn to md_fn.
2580 (TARGET_OPTION_PRINT): Fix argument list.
2582 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2585 * config/i386/i386.c (ix86_fixup_binary_operands):
2586 Revert FMA4 fixup of operands.
2588 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2591 * Makefile.in (write_entries_to_file, install-plugin):
2592 Use \012 instead of \n with tr.
2594 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2596 * configure.ac (HAVE_AS_REF): New C macro.
2597 * configure: Regenerate.
2598 * config.in: Likewise.
2599 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2601 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2604 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2606 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2608 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2610 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2612 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2614 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2616 (TARGET_BINDS_LOCAL_P): Fix argument type.
2618 (TARGET_ASM_FILE_END): Use prototype.
2620 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2622 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2624 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2626 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2628 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2629 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2631 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2632 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2634 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2635 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2636 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2637 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2639 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2641 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2643 (TARGET_INIT_BUILTINS): Use prototype.
2645 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2646 Put 'const char *' in braces. Fix parameter types.
2647 (TARGET_INVALID_CONVERSION): Fix parameter types.
2648 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2649 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2651 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2654 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2656 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2658 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2660 * doc/tm.texi (TARGET_HELP): Fix return type.
2662 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2663 in braces. Fix argument types.
2665 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2667 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2669 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2671 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2672 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2674 (TARGET_MANGLE_TYPE): Fix argument types.
2676 (TARGET_IRA_COVER_CLASSES): Use prototype.
2678 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2680 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2682 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2684 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2686 (TARGET_CALLEE_COPIES): Fix argument types.
2688 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2690 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2692 (TARGET_FUNCTION_VALUE): Fix argument types.
2694 (TARGET_RETURN_IN_MSB): Fix argument type.
2696 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2698 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2700 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2702 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2703 agree with return type.
2705 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2707 2010-01-15 Jing Yu <jingyu@google.com>
2709 PR rtl-optimization/42691
2710 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2711 a pseudo to a constant and are merged, and adjust comments.
2713 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2715 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2717 2010-01-15 Richard Guenther <rguenther@suse.de>
2720 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2721 labels of computed or non-local gotos to the destination.
2722 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2723 landing pad label is the first label.
2725 2010-01-15 Richard Guenther <rguenther@suse.de>
2727 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2729 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2732 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
2733 to allow generation of the xssqrtdp instruction on power7.
2734 (sqrtdf2_fpr): Ditto.
2736 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2739 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
2740 functions with noreturn attribute.
2743 * varasm.c (declare_weak): Add weak attribute to decl if it
2744 doesn't have one already.
2745 (assemble_external): Only add decls to weak_decls if they also
2746 have weak attribute.
2748 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
2750 * var-tracking.c (var_reg_delete): Don't delete the association
2751 between REGs and values or one-part variables if the register
2754 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2757 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
2758 because its first operand is a non-localized variable.
2760 2010-01-14 Martin Jambor <mjambor@suse.cz>
2762 PR tree-optimization/42706
2763 * tree-sra.c (encountered_recursive_call): New variable.
2764 (encountered_unchangable_recursive_call): Likewise.
2765 (sra_initialize): Initialize both new variables.
2766 (callsite_has_enough_arguments_p): New function.
2767 (scan_function): Call decl and flags check only for IPA-SRA, check
2768 whether there is a recursive call and whether it has enough arguments.
2769 (all_callers_have_enough_arguments_p): New function.
2770 (convert_callers): Look for recursive calls only when
2771 encountered_recursive_call is set.
2772 (ipa_early_sra): Bail out either if
2773 !all_callers_have_enough_arguments_p or
2774 encountered_unchangable_recursive_call.
2776 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2778 * sel-sched.c: Add 2010 to copyright years.
2779 * sel-sched-ir.c: Likewise.
2780 * sel-sched-ir.h: Likewise.
2782 2010-01-14 Martin Jambor <mjambor@suse.cz>
2784 PR tree-optimization/42714
2785 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
2786 constructors specially.
2788 2010-01-14 Andi Kleen <ak@linux.intel.com>
2790 * config/i386/drivers-i386.c (detect_caches_intel):
2791 Add l2sizekb parameter and fill in.
2792 (host_detect_local_cpu): Add l2sizekb, fill in.
2793 Add Atom small cache heuristic.
2795 2010-01-14 Andi Kleen <ak@linux.intel.com>
2797 * config/i386/drivers-i386.c (detect_caches_cpuid4):
2798 Add level3 parameter and fill in.
2799 (detect_caches_intel): Handle level3 cache.
2801 2010-01-14 Andi Kleen <ak@linux.intel.com>
2803 * config/i386/drivers-i386.c (host_detect_local_cpu):
2804 Fix core duo detection.
2806 2010-01-14 Andi Kleen <ak@linux.intel.com>
2808 * config/i386/drivers-i386.c (host_detect_local_cpu):
2811 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2813 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
2814 (rs6000_variable_issue_1): this. Use...
2815 (rs6000_variable_issue): here. Reimplement. Print debug info.
2817 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2819 * sel-sched-ir.c (sel_restore_other_notes): Rename to
2820 sel_restore_notes. Update all callers. Call reemit_notes
2823 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2825 PR rtl-optimization/42246
2826 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
2829 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2831 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
2832 all successors is the same as number of successors in current region.
2834 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2836 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
2837 to rename is not separable. Otherwise check that its LHS is not NULL.
2839 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2841 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
2843 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2845 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
2846 available registers when failed to discover LHS register class.
2847 Fix indentation. Update comment.
2849 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2850 Alexander Monakov <amonakov@ispras.ru>
2852 PR rtl-optimization/42389
2853 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
2855 (advance_state_on_fence): Likewise.
2856 (sel_target_adjust_priority): Print debug output only when
2857 sched_verbose >= 4, not 2.
2858 (get_expr_cost): Do not issue all unique insns on the next cycle.
2859 (fill_insns): Initialize can_issue_more from the value saved
2861 * sel-sched-ir.c (flist_add): New parameter issue_more.
2862 Init FENCE_ISSUE_MORE with it.
2863 (merge_fences): Likewise.
2864 (init_fences): Update call to flist_add.
2865 (add_to_fences, add_clean_fence_to_fences)
2866 (add_dirty_fence_to_fences): Likewise.
2867 (move_fence_to_fences): Update call to merge_fences.
2868 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
2870 * sel-sched-ir.h (struct _fence): New field issue_more.
2871 (FENCE_ISSUE_MORE): New accessor macro.
2873 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2875 PR rtl-optimization/42388
2876 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
2877 that have no predecessors nor successors. Do not call move_bb_info
2878 for empty blocks outside of current region.
2880 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2882 PR rtl-optimization/42294
2883 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
2884 * sel-sched.c (move_exprs_to_boundary): Transitively add all
2885 originators' originators.
2887 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2889 PR rtl-optimization/39453
2890 PR rtl-optimization/42246
2891 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
2893 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
2895 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2896 Alexander Monakov <amonakov@ispras.ru>
2899 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
2900 (maybe_tidy_empty_bb): ... here. Make static. Add new
2901 argument. Update all callers.
2902 (tidy_control_flow): ... and here. Recompute topological order
2903 of basic blocks in region if necessary.
2904 (sel_redirect_edge_and_branch): Change return type. Return true
2905 if topological order might have been invalidated.
2906 (purge_empty_blocks): Export and move from...
2907 * sel-sched.c (purge_empty_blocks): ... here.
2908 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
2909 (maybe_tidy_empty_bb): Delete prototype.
2910 (purge_empty_blocks): Declare.
2912 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2914 PR rtl-optimization/42249
2915 * sel-sched.c (try_replace_dest_reg): When chosen register
2916 and original register is the same, do not bail out early, but
2917 still check all original insns for validity of replacing destination
2918 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
2921 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2924 Port from no-undefined-overflow branch:
2925 2009-03-09 Richard Guenther <rguenther@suse.de>
2927 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
2929 2010-01-14 Richard Guenther <rguenther@suse.de>
2932 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
2934 2010-01-14 Ira Rosen <irar@il.ibm.com>
2936 PR tree-optimization/42709
2937 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
2938 as scalar type in creation of constant vector operand.
2940 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2943 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
2944 (check-parallel-%): Match `testsuite' directory component only
2947 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
2949 PR translation/39521
2950 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
2953 2010-01-13 Richard Guenther <rguenther@suse.de>
2955 PR tree-optimization/42730
2956 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
2959 2010-01-13 Steve Ellcey <sje@cup.hp.com>
2962 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
2963 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
2966 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
2968 * config/bfin/libgcc-bfin.ver: Regenerate based on current
2969 libgcc-std.ver. Add entries for ___smulsi3_highpart and
2970 ___umulsi3_highpart.
2972 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
2973 rather than schedule_insns if the pass is enabled.
2975 2010-01-13 Martin Jambor <mjambor@suse.cz>
2977 PR tree-optimization/42704
2978 * tree-sra.c (sra_modify_assign): Do not delete assignments to
2981 2010-01-13 Martin Jambor <mjambor@suse.cz>
2983 PR tree-optimization/42703
2984 * tree-sra.c (analyze_access_subtree): Check that we can build a
2985 reference to the original data within the aggregate.
2987 2010-01-13 Richard Guenther <rguenther@suse.de>
2989 PR tree-optimization/42705
2990 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
2992 2010-01-13 Richard Guenther <rguenther@suse.de>
2995 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
2997 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3000 * var-tracking.c (values_to_unmark): New variable.
3001 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3002 values_to_unmark vector. Moved body to...
3003 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3004 instead queue it into values_to_unmark vector.
3005 (vt_find_locations): Free values_to_unmark vector.
3007 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3009 * config/s390/s390.c (override_options): Set
3010 default of max-pending-list-length to 256
3012 2010-01-13 Richard Guenther <rguenther@suse.de>
3015 * tree-pass.h (PROP_gimple_lcx): New.
3016 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3017 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3018 before the final cleanup_eh.
3019 (dump_properties): Dump PROP_gimple_lcx.
3020 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3021 (tree_lower_complex_O0): Remove.
3022 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3023 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3024 tree_lower_complex, schedule TODO_update_ssa.
3025 * lto-streamer-out.c (output_function): Stream the functions
3027 * lto-streamer-in.c (input_function): Likewise.
3028 (lto_read_body): Do not override them here.
3030 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3033 * c-typeck.c (build_c_cast): Fold value cast to union type before
3034 wrapping it in a CONSTRUCTOR.
3036 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3038 PR rtl-optimization/42699
3039 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3042 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3044 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3045 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3046 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3047 SUBTARGET_WARN_UNUSED_SPEC): ... here
3048 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3050 2010-01-12 Julian Brown <julian@codesourcery.com>
3052 * config/arm/neon-schedgen.ml (Utils): Don't try to
3053 open missing module.
3054 (find_with_result): New.
3056 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3059 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3060 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3062 PR tree-optimization/42645
3063 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3064 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3065 decl_map, set processing_debug_stmt to -1 and return name without
3068 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3070 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3071 binutils version, and reword target configuration description.
3073 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3075 * config/avr/avr.h (LINKER_NAME): Remove.
3077 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3080 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3081 that support VSX, warn for -mno-altivec if vsx is not disabled,
3084 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3085 Shujing Zhao <pearly.zhao@oracle.com>
3087 PR translation/42469
3088 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3089 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3090 character between option name and help text.
3091 * c.opt (imultilib): Likewise.
3093 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3095 * lto-streamer-out.c (output_unreferenced_globals): Output static
3098 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3100 PR rtl-optimization/42621
3101 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3102 optimizing for size.
3103 (duplicate_computed_gotos): Remove now-redundant check.
3105 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3108 * configure.ac: Save and restore LDFLAGS and LIBS
3109 * configure: Regenerate.
3111 2010-01-10 Richard Guenther <rguenther@suse.de>
3114 * builtins.c (fold_builtin_strlen): Add type argument and
3115 convert the resulting length to it.
3116 (fold_builtin_1): Adjust.
3118 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3120 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3121 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3123 (num_insns_constant_wide): Adjust for that change.
3125 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3128 * web.c (union_defs): Add used argument, to combine uses of
3130 (entry_register): Adjust type and tests of used argument.
3131 (web_main): Widen used for new use. Pass it to union_defs.
3132 * df.h (union_defs): Adjust prototype.
3134 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3137 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3138 uses in new incoming argument. Free body.
3139 (reset_debug_uses_in_loop): New.
3140 (analyze_insn_to_expand_var): Call the latter if the former found
3141 anything. Fix whitespace. Reject invalid dest overlaps before
3142 going through all insns in the loop.
3144 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3147 * haifa-sched.c (dying_use_p): Debug insns don't count.
3149 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3152 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3153 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3154 (verify_gimple_call): Reject LHS in noreturn calls.
3156 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3160 * tree-vect-loop-manip.c (adjust_info): New type.
3161 (adjust_vec): New pointer to vector.
3162 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3163 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3164 (slpeel_update_phis_for_duplicate_loop): Use them.
3165 (slpeel_update_phi_nodes_for_guard1): Likewise.
3166 (slpeel_update_phi_nodes_for_guard2): Likewise.
3167 (slpeel_tree_peel_loop_to_edge): Likewise.
3168 (vect_update_ivs_after_vectorizer): Likewise.
3170 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3172 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3173 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3175 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3177 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3178 bogus uninitialized warning.
3180 2010-01-09 Richard Guenther <rguenther@suse.de>
3183 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3184 the evolution is compatible with the initial condition.
3186 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3188 * gcc.c (process_command): Update copyright notice dates.
3189 * gcov.c (print_version): Likewise.
3190 * gcov-dump.c (print_version): Likewise.
3191 * mips-tfile.c (main): Likewise.
3192 * mips-tdump.c (main): Likewise.
3194 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3197 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3199 (rotlhi3_8): Delete.
3201 (rotlsi3_8): Delete.
3202 (rotlsi3_16): Delete.
3203 (rotlsi3_24): Delete.
3205 (*rotw<mode>3): New.
3206 (*rotb<mode>3): New.
3207 * config/avr/avr.c (avr_rotate_bytes): New function.
3208 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3210 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3213 * configure.ac: Modify -rdynamic check.
3214 * configure: Regenerate.
3216 2010-01-08 DJ Delorie <dj@redhat.com>
3218 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3219 register popping order.
3221 2010-01-08 Richard Guenther <rguenther@suse.de>
3224 * c.opt (fsigned-char): Also let LTO handle this option.
3225 (funsigned-char): Likewise.
3227 2010-01-07 Richard Guenther <rguenther@suse.de>
3229 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3230 (gimple_op): Likewise.
3231 (gimple_op_ptr): Likewise.
3232 (gimple_assign_set_lhs): Remove gcc_assert.
3233 (gimple_assign_set_rhs1): Likewise.
3234 (gimple_assign_set_rhs2): Likewise.
3235 (gimple_call_set_lhs): Likewise.
3236 (gimple_call_set_fn): Likewise.
3237 (gimple_call_set_fndecl): Likewise.
3238 (gimple_call_fndecl): Likewise.
3239 (gimple_call_return_type): Likewise.
3240 (gimple_call_set_chain): Likewise.
3241 (gimple_call_num_args): Likewise.
3242 (gimple_call_set_arg): Likewise.
3243 (gimple_cond_set_code): Likewise.
3244 (gimple_cond_set_lhs): Likewise.
3245 (gimple_cond_set_rhs): Likewise.
3246 (gimple_cond_set_true_label): Likewise.
3247 (gimple_cond_set_false_label): Likewise.
3248 (gimple_label_set_label): Likewise.
3249 (gimple_goto_set_dest): Likewise.
3250 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3251 (gimple_debug_bind_get_value): Likewise.
3252 (gimple_debug_bind_get_value_ptr): Likewise.
3253 (gimple_debug_bind_set_var): Likewise.
3254 (gimple_debug_bind_set_value): Likewise.
3255 (gimple_debug_bind_reset_value): Likewise.
3256 (gimple_debug_bind_has_value_p): Likewise.
3257 (gimple_return_retval_ptr): Remove gcc_assert.
3258 (gimple_return_retval): Likewise.
3259 (gimple_return_set_retval): Likewise.
3260 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3261 (safe_referenced_var_iterator): Remove.
3262 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3263 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3264 (fill_referenced_var_vec): Remove.
3265 (first_readonly_imm_use): Remove redundant gcc_assert.
3266 (phi_arg_index_from_use): Combine gcc_asserts.
3267 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3268 (first_imm_use_stmt): Remove redundant gcc_assert.
3269 * tree-cfg.c (verify_gimple_call): Verify function and chain
3270 operands. Verify arguments.
3271 (verify_types_in_gimple_stmt): Verify condition code and labels.
3273 2010-01-07 Richard Guenther <rguenther@suse.de>
3275 PR tree-optimization/42641
3276 * sese.c (rename_map_elt_info): Use the SSA name version, do
3279 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3281 PR tree-optimization/42625
3282 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3283 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3285 2010-01-07 Duncan Sands <baldrick@free.fr>
3287 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3289 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3292 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3293 note itself is not function_invariant_p.
3295 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3297 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3298 Do not add the DF_NOTE problem.
3299 * store-motion.c (execute_rtl_store_motion): Likewise.
3301 2010-01-07 Martin Jambor <mjambor@suse.cz>
3303 PR tree-optimization/42157
3304 * tree-sra.c (compare_access_positions): Stabilize sort if both
3305 accesses have integer types, return zero immediately if they are the
3308 2010-01-06 Richard Henderson <rth@redhat.com>
3311 * haifa-sched.c (add_to_note_list): Merge into ...
3312 (concat_note_lists): ... here, and ...
3313 (unlink_other_notes, rm_other_notes): Merge into...
3314 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3315 NOTE_INSN_EPILOGUE_BEG.
3317 2010-01-06 Richard Guenther <rguenther@suse.de>
3319 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3320 not inline regular functions into always-inline functions.
3322 2010-01-06 Nick Clifton <nickc@redhat.com>
3324 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3325 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3327 (OVERRIDE_OPTIONS): Delete.
3328 (OPTIMIZATION_OPTIONS): Define.
3329 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3330 * config/rx/rx.c (rx_handle_option): Issue an error message if
3331 -mcpu=rx200 and -fpu are used together.
3332 (rx_set_optimization_options): New function. Issue an error
3333 message if an optimization attribute attempts to reset the FPU/
3334 math optimization pairing.
3335 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3336 * config/rx/rx.opt: Set the default to 32-bit doubles.
3337 * config/rx/t-rx: Add multilibs for -nofpu option.
3338 * doc/invoke.texi: Update documentation of RX options.
3340 2010-01-06 Richard Guenther <rguenther@suse.de>
3342 * tree-ssa-pre.c (name_to_id): New global.
3343 (alloc_expression_id): Simplify SSA name handling.
3344 (lookup_expression_id): Likewise.
3345 (init_pre): Zero name_to_id.
3346 (fini_pre): Free it.
3348 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3350 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3352 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3355 * config/i386/sse.md (smaxv2di3): New.
3356 (umaxv2di3): Likewise.
3357 (sminv2di3): Likewise.
3358 (uminv2di3): Likewise.
3360 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3363 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3364 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3365 (legitimize_tls_address): Likewise.
3366 (sparc_tls_referenced_p): Likewise.
3367 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3368 and adjust calls to legitimize_pic_address.
3369 (legitimate_constant_p) Use sparc_tls_referenced_p.
3370 (legitimate_pic_operand_p): Likewise.
3371 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3372 (sparc_tls_symbol_ref_1): Delete.
3373 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3374 (legitimize_tls_address): Make static, handle CONST patterns.
3375 (legitimize_pic_address): Make static, remove unused parameter and
3376 adjust recursive calls.
3377 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3378 and adjust call to legitimize_pic_address.
3379 (sparc_output_mi_thunk): Likewise.
3381 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3382 H.J. Lu <hongjiu.lu@intel.com>
3385 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3386 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3387 operands to make them signed.
3390 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3393 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3394 GTU to GT for V4SI and V2DI.
3396 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3397 (umin<mode>3): Removed.
3399 (uminv4si3): Likewise.
3401 2010-01-05 Martin Jambor <mjambor@suse.cz>
3403 PR tree-optimization/42462
3404 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3405 current_function_decl to helper functions and macros.
3407 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3410 * flags.h: Don't include real.h.
3411 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3412 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3413 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3414 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3415 * dominance.c: Update copyright.
3416 * gimple.c (walk_gimple_op): Remove inline.
3417 * tree-ssa-reassoc.c: Include real.h.
3418 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3419 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3421 2010-01-05 Nick Clifton <nickc@redhat.com>
3423 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3424 register to push into the stack frame when the accumulator has to
3425 be saved during interrupts.
3427 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3429 * doc/invoke.texi: Remove the documentation about option
3431 * common.opt (Wunreachable-code): Preserved for backward
3433 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3434 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3435 the backward compatibility flag section.
3437 2010-01-05 Richard Guenther <rguenther@suse.de>
3439 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3441 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3444 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3446 PR tree-optimization/42508
3447 * tree-sra.c (convert_callers): Check for recursive call
3448 by comparing cgraph nodes instead of decls.
3449 (modify_function): Call ipa_modify_formal_parameters also
3450 on all same_body aliases.
3452 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3453 cgraph nodes when checking for same_body aliases.
3455 2010-01-05 Richard Guenther <rguenther@suse.de>
3457 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3458 allocation and lookup.
3459 (get_or_alloc_expr_for_constant): Likewise.
3460 (phi_translate): Sink allocation.
3462 2010-01-04 Richard Guenther <rguenther@suse.de>
3464 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3465 a new entry only if needed.
3466 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3467 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3469 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3471 (phi_translate): Handle CONSTANTs early.
3473 2010-01-04 Martin Jambor <mjambor@suse.cz>
3475 PR tree-optimization/42398
3476 * tree-sra.c (struct access): Removed flag grp_different_types.
3477 (dump_access): Do not dump the removed flag.
3478 (sort_and_splice_var_accesses): Do not set the removed flag.
3479 (sra_modify_expr): Check for type compatibility directly.
3481 2010-01-04 Martin Jambor <mjambor@suse.cz>
3483 PR tree-optimization/42366
3484 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3485 edges with variable number of parameters.
3486 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3487 flag instead of asserting it.
3488 (ipa_read_node_info): Read uses_analysis_done flag.
3490 2010-01-04 Richard Guenther <rguenther@suse.de>
3492 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3493 iterative_hash_* as intended.
3494 (vn_reference_compute_hash): Likewise. Simplify hashing
3496 (vn_reference_lookup_2): Likewise.
3497 (vn_nary_op_compute_hash): Likewise.
3498 (vn_phi_compute_hash): Likewise.
3499 (expressions_equal_p): Remove strange code.
3500 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3501 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3502 (bitmap_insert_into_set_1): Take value-id as parameter.
3503 (add_to_value): Pass it.
3504 (bitmap_insert_into_set): Likewise.
3505 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3507 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3510 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
3511 (do_self_spec): For switches with SWITCH_IGNORE set set also
3512 SWITCH_IGNORE_PERMANENTLY.
3513 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
3516 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
3518 * lto-streamer-out.c (output_unreferenced_globals): Output the full
3519 tree of an unreferenced global var.
3521 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3524 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3525 GTU to GT for V4SI and V2DI.
3527 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3528 (umin<mode>3): Removed.
3530 (uminv4si3): Likewise.
3532 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3535 * collect2.c (main): Turn on trace in collect2 if -v is passed
3538 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
3540 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
3541 description of expression operand.
3543 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
3545 * configure.ac: Add install-html to target_list for Make-hooks.
3546 * configure: Regenerate.
3547 * fortran/Make-lang.in (F95_HTMLFILES): New.
3548 (fortran.html): Use it.
3549 (fortran.install-html): New.
3550 * Makefile.in (install-html): Add lang.install-html.
3551 * java/Make-lang.in (JAVA_HTMLFILES): New.
3552 (java.html): Use it.
3553 (java.install-html): New.
3554 * objc/Make-lang.in (objc.install-html): New.
3555 * objcp/Make-lang.in (obj-c++.install-html): New.
3556 * cp/Make-lang.in (c++.install-html): New.
3557 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3558 * lto/Make-lang.in (lto.install-html): New.
3560 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3563 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3565 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3567 PR rtl-optimization/41862
3568 * store-motion.c (store_killed_in_insn, compute_store_table,
3569 remove_reachable_equiv_notes, replace_store_insn,
3570 build_store_vectors): Ignore all DEBUG_INSNs.
3572 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3575 * common.opt: Add dumpdir.
3577 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3579 (option_map): Add --dumpdir.
3581 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3583 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3585 * opts.c (decode_options): Try dump_dir_name first if
3586 dump_base_name isn't an absolute path.
3587 (common_handle_option): Handle OPT_dumpdir.
3589 * toplev.c (dump_dir_name): New.
3590 (print_switch_values): Also ignore -dumpdir.
3592 * toplev.h (dump_dir_name): New.
3594 2010-01-03 Richard Guenther <rguenther@suse.de>
3596 PR tree-optimization/42589
3597 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3598 double-word expansion of bswap32.
3600 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3602 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3603 with BLOCK_FOR_INSN.
3604 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3605 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3606 noce_process_if_block): Likewise.
3607 * gcse.c (compute_local_properties, insert_expr_in_table,
3608 insert_set_in_table, canon_list_insert, find_avail_set,
3609 pre_insert_copy_insn): Likewise.
3611 * basic-block.h (BLOCK_NUM): Move from here...
3612 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3614 2010-01-03 Richard Guenther <rguenther@suse.de>
3616 PR tree-optimization/42438
3617 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3618 contains_may_not_return_call flag.
3619 (BB_MAY_NOTRETURN): New.
3620 (valid_in_sets): Trapping nary operations are not valid
3621 in blocks that may not return.
3622 (insert_into_preds_of_block): Remove check for trapping expressions.
3623 (compute_avail): Compute also BB_MAY_NOTRETURN.
3625 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3627 * doc/invoke.texi: Add 2010 to copyright years.
3629 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3631 * config/sparc/sparc.c: Fix formatting nits.
3633 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3634 Alexander Monakov <amonakov@ispras.ru>
3636 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3638 2010-01-02 Richard Guenther <rguenther@suse.de>
3641 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3642 (simplify_switch_using_ranges): Mark to be removed edges
3645 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3647 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3649 * collect2.c (scan_libraries): Add missing argument in call to
3652 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3655 * config/alpha/predicates.md (aligned_memory_operand): Return false
3657 (unaligned_memory_operand): Return true for CQImode.
3658 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3659 doesn not cross aligned SImode word boundary.
3661 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3663 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3665 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3666 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3668 2010-01-02 Richard Guenther <rguenther@suse.de>
3671 * toplev.c (compile_file): Emit LTO marker properly. Change
3673 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3675 2010-01-01 Richard Guenther <rguenther@suse.de>
3678 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3680 2010-01-01 Richard Guenther <rguenther@suse.de>
3683 * c-decl.c (grokdeclarator): For zero-size arrays force
3684 structural equality checks as layout_type does.
3686 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3688 * builtins.c: Update copyright to 2010.
3690 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3693 * lto-streamer-out.c (produce_asm): Revert the last change.
3694 (copy_function): Likewise.
3696 * lto-streamer.c (lto_get_section_name): Skip any leading
3699 2010-01-01 Richard Guenther <rguenther@suse.de>
3702 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3706 Copyright (C) 2010 Free Software Foundation, Inc.
3708 Copying and distribution of this file, with or without modification,
3709 are permitted in any medium without royalty provided the copyright
3710 notice and this notice are preserved.