1 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
6 2010-03-15 Jakub Jelinek <jakub@redhat.com>
8 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
10 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
11 drap_reg has not been set.
13 2010-03-15 Michael Matz <matz@suse.de>
16 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
17 use it to expand block copies.
18 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
19 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
20 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
22 2010-03-15 Richard Guenther <rguenther@suse.de>
24 PR tree-optimization/43367
25 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
28 2010-03-15 Richard Guenther <rguenther@suse.de>
30 PR tree-optimization/43317
31 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
33 2010-03-15 Martin Jambor <mjambor@suse.cz>
35 PR tree-optimization/43141
36 * tree-sra.c (create_abstract_origin): New function.
37 (modify_function): Call create_abstract_origin.
39 2010-03-15 Chris Demetriou <cgd@google.com>
41 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
44 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
47 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
48 call insert_out_of_ssa_copy for default definitions.
50 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
52 * graphite-clast-to-gimple.c (my_long_long): Defined.
53 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
54 * graphite-sese-to-poly.c (my_long_long): Defined.
55 (scop_ivs_can_be_represented): Use it.
57 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
59 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
60 graphite-max-bbs-per-function, and loop-block-tile-size.
61 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
63 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
65 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
67 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
69 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
70 (add_upper_bounds_from_estimated_nit): New.
71 (build_loop_iteration_domains): Use it.
73 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
75 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
77 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
80 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
81 should be an INTEGER_CST. Also handle CASE_CONVERT.
83 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
85 * graphite.c (graphite_initialize): To bound the number of bbs per
86 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
87 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
88 * doc/invoke.texi: Document it.
90 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
92 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
93 * graphite-sese-to-poly.h (build_poly_scop): Same.
95 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
97 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
98 the number of parameters in the scop. Use as an upper bound
99 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
100 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
101 * doc/invoke.texi: Document it.
103 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
105 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
106 * doc/c-tree.texi: Remove.
107 * doc/generic.texi: Merge c-tree.texi here.
108 * doc/gccint.texi (Trees): Remove menu entry.
109 (c-tree.texi): Remove @include.
110 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
111 * doc/languages.texi (Reading RTL): Ditto.
113 2010-03-12 Steve Ellcey <sje@cup.hp.com>
116 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
118 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
121 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
122 code added to work around reload clobbering CONST insns.
124 2010-03-12 Jakub Jelinek <jakub@redhat.com>
126 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
127 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
128 (cselib_preserve_only_values): Remove retain argument, don't
129 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
130 * cselib.h (cselib_preserve_only_values): Remove retain argument.
131 * var-tracking.c (micro_operation): Move insn field before union.
132 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
133 (struct variable_tracking_info_def): Remove n_mos field, change
134 mos into a vector of micro_operations.
135 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
136 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
137 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
138 changing into a vector.
139 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
140 come before all other uops generated by add_stores.
141 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
143 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
144 a vector. Run just one pass over the bbs instead of separate counting
145 and computation phase.
146 (vt_finalize): Free VTI (bb)->mos vector instead of array.
149 * tree-inline.c (remap_decls): Put old_var rather than origin_var
150 into *nonlocalized_list vector.
151 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
152 even if origin is non-NULL.
153 (gen_variable_die): Likewise.
154 (process_scope_var): Don't change origin.
155 (gen_decl_die): Likewise.
156 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
157 before adding new edges instead of after it, fix moving over
160 2010-03-11 David S. Miller <davem@davemloft.net>
162 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
164 * configure: Rebuild.
166 2010-03-11 Martin Jambor <mjambor@suse.cz>
168 PR tree-optimization/43257
169 * tree.c (assign_assembler_name_if_neeeded): New function.
170 (free_lang_data_in_cgraph): Assembler name assignment moved to the
172 * tree.h (assign_assembler_name_if_neeeded): Declare.
173 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
174 the function if needed.
176 2010-03-11 Chris Demetriou <cgd@google.com>
178 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
179 include/stdint-gcc.h, and include/stdint.h world-readable.
181 2010-03-11 Richard Guenther <rguenther@suse.de>
183 PR tree-optimization/43255
184 * tree-vrp.c (process_assert_insertions_for): Do not insert
185 asserts for trivial conditions.
187 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
189 PR tree-optimization/43280
190 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
191 generation. Move calculation of size out of the if branch.
192 (find_bswap): Modify compare number generation.
194 2010-03-11 Richard Guenther <rguenther@suse.de>
197 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
198 (input_gimple_stmt): Fixup handled component types during
199 operand read. Also fix up decls in ADDR_EXPRs.
201 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
203 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
204 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
206 2010-03-10 Jan Hubicka <jh@suse.cz>
209 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
210 * varasm.c (get_variable_section): Don't do that here...
211 (make_decl_rtl): ... and here.
212 (do_assemble_alias): Produce decl RTL.
213 (assemble_alias): Likewise.
215 2010-03-10 Jakub Jelinek <jakub@redhat.com>
218 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
219 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
221 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
222 (based_loc_descr): Only express drap or vdrap regno based expressions
223 using DW_OP_fbreg when not optimizing.
224 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
225 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
226 REG_CFA_SET_VDRAP note.
228 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
230 PR tree-optimization/43236
231 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
232 error in calculation of base address in reverse iteration case.
233 (generate_builtin): Take number of latch executions if the statement
236 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
239 * tree-eh.c: Include pointer-set.h.
240 (lower_eh_dispatch): Filter out duplicate case labels and
241 remove the unneeded edge when the label is unused. Return
242 true when some edges are removed.
243 (execute_lower_eh_dispatch): When any lowering resulted in
244 removing an edge, also delete unreachable blocks.
246 2010-03-10 Jakub Jelinek <jakub@redhat.com>
249 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
250 UNSPEC_MACHOPIC_OFFSET.
252 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
255 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
256 (m68k_delegitimize_address): New function.
258 2010-03-09 Jakub Jelinek <jakub@redhat.com>
261 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
264 * var-tracking.c (adjust_sets): New function.
265 (count_with_sets, add_with_sets): Use it.
266 (get_adjusted_src): New inline function.
267 (add_stores): Use it.
270 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
271 call cselib_dummy_expand_value_rtx_cb instead of
272 cselib_expand_value_rtx_cb.
275 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
276 * config/i386/i386.c: Include debug.h and dwarf2out.h.
277 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
278 and .cfi_endproc around the pic thunks.
279 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
280 all queued unwind info register saves are saved before the call.
281 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
282 considered as sp-=4 for unwind info and the pop as sp+=4 which
283 also clobbers dest, but doesn't actually restore it.
286 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
289 2010-03-09 Jie Zhang <jie@codesourcery.com>
291 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
292 whitespaces in output template.
294 2010-03-09 Jie Zhang <jie@codesourcery.com>
296 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
299 2010-03-08 Jakub Jelinek <jakub@redhat.com>
301 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
302 builtins.exp in a separate job.
304 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
306 * graphite-sese-to-poly.c (add_param_constraints): Use
307 lower_bound_in_type and upper_bound_in_type.
309 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
311 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
312 instead of unsigned_type_node.
314 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
315 Reza Yazdani <reza.yazdani@amd.com>
318 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
319 on pointer type parameters.
321 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
325 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
326 handle conversions from pointer to integers.
327 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
328 induction variable, to be able to work with code generated by CLooG.
329 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
330 (build_poly_scop): Bail out if we cannot codegen a loop.
332 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
334 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
335 code generation with gloog_error.
337 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
339 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
340 Call fold_convert on all the returned values.
341 (expand_scalar_variables_expr): Pass to
342 expand_scalar_variables_ssa_name the type of the resulting expression.
344 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
346 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
347 ppl_min_for_le_pointset.
348 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
349 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
351 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
353 * graphite-dependences.c (map_into_dep_poly): Removed.
354 (dependence_polyhedron_1): Use combine_context_id_scat.
356 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
358 * graphite-poly.h (struct poly_scattering): Add layout documentation.
359 (struct poly_bb): Same.
360 (combine_context_id_scat): New.
362 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
365 * sese.c (name_defined_in_loop_p): Return false for default
368 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
370 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
371 and clean up the logic.
373 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
375 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
378 2010-03-08 Jakub Jelinek <jakub@redhat.com>
380 * var-tracking.c (remove_cselib_value_chains): Define only for
382 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
383 delete_slot_part, emit_notes_for_differences_1): Don't call
384 remove_cselib_value_chains here.
385 (set_slot_part, emit_notes_for_differences_2): Don't call
386 add_cselib_value_chains here.
387 (preserved_values): New vector.
388 (preserve_value): New function.
389 (add_uses, add_stores, vt_add_function_parameters): Use it
390 instead of cselib_preserve_value.
391 (changed_values_stack): New vector.
392 (check_changed_vars_0): New function.
393 (check_changed_vars_1, check_changed_vars_2): Use it.
394 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
395 changed_values_stack VALUEs.
396 (vt_emit_notes): For all preserved_values call
397 add_cselib_value_chains. If ENABLE_CHECKING call
398 remove_cselib_value_chains before verifying value_chains is empty.
399 Initialize and free changed_values_stack.
400 (vt_initialize): Initialize preserved_values.
401 (vt_finalize): Free preserved_values.
403 2010-03-08 Richard Guenther <rguenther@suse.de>
405 PR tree-optimization/43269
406 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
409 2010-03-08 Martin Jambor <mjambor@suse.cz>
411 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
412 (ipa_is_param_called): Removed.
413 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
414 (ipa_print_node_params): Do not print the called flag.
415 (ipa_write_node_info): Do not stream the called flag.
416 (ipa_read_node_info): Likewise.
418 2010-03-07 Jakub Jelinek <jakub@redhat.com>
421 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
422 * cselib.c (struct expand_value_data): Add dummy field.
423 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
425 (cselib_dummy_expand_value_rtx_cb): New function.
426 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
428 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
429 * var-tracking.c: Include pointer-set.h.
430 (variable): Change n_var_parts to char from int. Add
431 cur_loc_changed and in_changed_variables fields.
432 (variable_canonicalize): Remove.
433 (shared_var_p): New inline function.
434 (unshare_variable): Maintain cur_loc_changed and
435 in_changed_variables fields. If var was in changed_variables,
436 replace it there with new_var. Just copy cur_loc instead of
437 resetting it to something else.
438 (variable_union): Don't recompute cur_loc. Use shared_var_p.
439 (dataflow_set_union): Don't call variable_canonicalize.
440 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
441 of their DEBUG_EXPR_TREE_DECLs.
442 (canonicalize_loc_order_check): Verify that cur_loc is NULL
443 and in_changed_variables and cur_loc_changed is false.
444 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
445 and cur_loc_changed. Don't update cur_loc here.
446 (variable_merge_over_src): Don't call variable_canonicalize.
447 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
448 removing loc that is equal to cur_loc, clear cur_loc,
449 set cur_loc_changed and ensure variable_was_changed is called.
450 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
451 compare pointers in cur_loc check, if it is equal to loc,
452 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
453 (variable_different_p): Remove compare_current_location argument,
454 don't compare cur_loc.
455 (dataflow_set_different_1): Adjust variable_different_p caller.
456 (variable_was_changed): If dv had some var in changed_variables
457 already, reset in_changed_variables flag for it and propagate
458 cur_loc_changed over to the new variable. On empty var
459 always set cur_loc_changed. Set in_changed_variables on whatever
460 var is added to changed_variables.
461 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
462 Use shared_var_p. When removing loc that is equal to cur_loc,
463 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
464 end, don't set it to something else, just call variable_was_changed.
465 (delete_slot_part): Use shared_var_p. When cur_loc equals to
466 loc being removed, clear cur_loc and set cur_loc_changed.
467 Set cur_loc_changed if all locations have been removed.
468 (struct expand_loc_callback_data): New type.
469 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
470 allocated. Always create SUBREGs if simplify_subreg failed.
471 Prefer to use cur_loc, when that fails and still in
472 changed_variables (and seen first time) recompute it. Set
473 cur_loc_changed of variables which had to change cur_loc and
474 compute elcd->cur_loc_changed if any of the subexpressions used
475 had to change cur_loc.
476 (vt_expand_loc): Adjust to pass arguments in
477 expand_loc_callback_data structure.
478 (vt_expand_loc_dummy): New function.
479 (emitted_notes): New variable.
480 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
481 that weren't used for any other decl in current
482 emit_notes_for_changes call call vt_expand_loc_dummy to update
483 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
484 first loc_chain location if NULL before. Always use just
485 cur_loc instead of first loc_chain location. When cur_loc_changed
486 is false, when not --enable-checking=rtl just don't emit any note.
487 When rtl checking, compute the note and assert it is the same
488 as previous note. Clear cur_loc_changed and in_changed_variables
489 at the end before removing from changed_variables.
490 (check_changed_vars_3): New function.
491 (emit_notes_for_changes): Traverse changed_vars to call
492 check_changed_vars_3 on each changed var.
493 (emit_notes_for_differences_1): Clear cur_loc_changed and
494 in_changed_variables. Recompute cur_loc of new_var.
495 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
496 (vt_emit_notes): Initialize and destroy emitted_notes.
498 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
500 PR rtl-optimization/42220
501 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
502 Use verify_reg_tracked to determine if we should use OP_OUT rather
504 (build_def_use): If we see an in-out operand for a register that we
505 know nothing about, treat is an output if possible, fail the block if
508 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
511 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
514 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
517 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
518 uses of relevant DEFs that are dead outside the loop too.
520 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
522 * var-tracking.c (dataflow_set_merge): Swap src and src2.
524 2010-01-13 Jakub Jelinek <jakub@redhat.com>
526 * var-tracking.c (values_to_unmark): New variable.
527 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
528 values_to_unmark vector. Moved body to...
529 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
530 instead queue it into values_to_unmark vector.
531 (vt_find_locations): Free values_to_unmark vector.
533 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
535 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
536 (site.exp): Export them when plugins are enabled.
538 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
541 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
543 (chrec_fold_multiply): Same.
545 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
548 * c-decl.c (build_compound_literal): Return early if init is
551 2010-03-04 Martin Jambor <mjambor@suse.cz>
553 PR tree-optimization/43164
554 PR tree-optimization/43191
555 * tree-sra.c (type_consists_of_records_p): Reject records with
556 zero-size bit-fields at the end.
558 2010-03-04 Mike Stump <mikestump@comcast.net>
560 * Makefile.in (TAGS): Remove *.y.
562 2010-03-04 Richard Guenther <rguenther@suse.de>
564 PR tree-optimization/40761
565 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
567 (my_rev_post_order_compute): New function.
570 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
573 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
574 decrease the cost of an IV candidate when the cost is infinite.
576 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
578 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
579 Use '3DNow!' for the extension of that name, ensure normal space
581 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
583 2010-03-03 Jeff Law <law@redhat.com>
585 * PR middle-end/32693
586 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
588 (extract_bit_field_1): Likewise.
590 2010-03-03 Janis Johnson <janis187@us.ibm.com>
592 * doc/sourcebuild.texi (Test directives): Document that arguments
593 include-opts and exclude-opts are now optional for dg-skip-if,
594 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
596 2010-03-03 Jason Merrill <jason@redhat.com>
599 * cgraph.h (varpool_node): Add extra_name field.
600 * varpool.c (varpool_extra_name_alias): New.
601 (varpool_assemble_decl): Emit extra name aliases.
602 (varpool_mark_needed_node): Look past an extra name alias.
603 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
604 * lto-streamer-in.c (lto_input_tree): Read it.
605 * lto-streamer-out.c (output_unreferenced_globals): Write it.
607 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
609 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
610 (sparc*-*-solaris2*): ...this.
612 2010-03-03 Jakub Jelinek <jakub@redhat.com>
615 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
616 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
617 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
618 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
621 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
622 fallthrough to default handling, just with want_address 0 instead of 2.
623 For single element lists, add_AT_loc directly, otherwise create an
624 artificial variable DIE and stick location list to it.
627 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
628 (VAL_EXPR_HAS_REVERSE): Define.
629 (reverse_op): New function.
630 (add_stores): For reversible operations add an extra MO_VAL_USE.
632 2010-03-02 Jason Merrill <jason@redhat.com>
634 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
636 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
638 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
639 (sparc64-*-linux*): Likewise.
640 (sparc64-*-solaris2*): Include assembler files before linker ones.
641 (sparc-*-solaris2*): Simplify and reorder to match previous case.
642 * config/sparc/gas.h: Delete.
643 * config/sparc/sol2-64.h: Add copyright notice.
644 * config/sparc/sol2-gas-bi.h: Likewise.
645 * config/sparc/sol2-gld.h: Likewise.
646 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
647 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
648 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
649 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
650 (sparc_elf_asm_named_section): Rename into...
651 (sparc_solaris_elf_asm_named_section): ...this. Always define.
653 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
655 * config/alpha/alpha.c (override_options): Fix -mtune error message.
657 2010-03-02 Jeff Law <law@redhat.com>
660 * reload1.c (rtx_p, substitute_stack): Declare.
661 (substitute): Record addresses of changed rtxs.
662 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
663 Restore the original rtx when complete.
664 (reload): Free subsitute_stack when complete.
666 2010-03-02 Janis Johnson <janis187@us.ibm.com>
668 * doc/gccint.texi (menu): Add Testsuites as a chapter.
669 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
671 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
672 LTO Testing, gcov Testing, profopt Testing, compat Testing,
673 Torture Tests): Change from subsection to section.
675 2010-03-02 Jakub Jelinek <jakub@redhat.com>
676 Steven Bosscher <steven@gcc.gnu.org>
678 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
681 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
684 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
685 the assignment from the new induction variable to the assignment
686 of the value from the original loop PHI function.
688 2010-03-01 Janis Johnson <janis187@us.ibm.com>
689 Daniel Jacobowitz <dan@codesourcery.com>
691 * doc/sourcebuild.texi (Test directives): Clarify options to
694 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
696 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
697 Disable cfi directives unless GCC and gas agree on using read-only
698 .eh_frame sections for 64-bit.
699 * configure: Regenerate.
701 2010-03-01 Richard Guenther <rguenther@suse.de>
703 PR tree-optimization/43220
704 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
705 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
707 2010-03-01 Richard Guenther <rguenther@suse.de>
708 Martin Jambor <mjambor@suse.cz>
711 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
712 gimplified parameters.
714 2010-03-01 Christian Bruel <christian.bruel@st.com>
716 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
718 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
720 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
722 2010-03-01 Richard Guenther <rguenther@suse.de>
725 * expr.c (expand_assignment): Use the alias-oracle to tell
726 if the rhs aliases the result decl.
728 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
731 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
732 to sol_gt_pch_get_address.
733 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
734 64-bit, SPARC and x86.
735 (sol_gt_pch_get_address): New function.
737 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
739 * toplev.h (inform_n, error_n): Declare.
740 * diagnostic.c (inform_n, error_n): New function.
742 2010-03-01 Jakub Jelinek <jakub@redhat.com>
744 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
745 has no rtl yet when processing local_decls, queue it and recheck
746 if deferred stack allocation hasn't assigned it rtl.
748 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
750 * config/sh/sh.c (unspec_bbr_uid): New.
751 (gen_block_redirect): Use it instead of INSN_UID.
752 (gen_far_branch): Likewise.
754 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
756 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
757 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
759 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
761 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
762 (Warning Options): -Wno-conversion-null is valid for
763 Objective-C++ as well.
764 * doc/tm.texi (Named Address Spaces): Likewise.
765 * doc/plugins.texi (Plugins): Replace TABs with spaces.
766 * doc/tree-ssa.texi (Tree SSA): Likewise.
768 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
771 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
772 by default. Don't set the default arch for
773 i[34567]86-*-darwin*|x86_64-*-darwin*.
775 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
778 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
779 default. Set the default 32bit/64bit archs with $with_arch
780 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
782 2010-02-27 Richard Guenther <rguenther@suse.de>
784 PR tree-optimization/43186
785 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
786 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
787 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
790 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
792 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
793 required and i[34567]86-*-* targets don't support 64bit ISA.
795 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
798 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
801 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
803 * config.gcc: Set the default arch at least to Prescott for
804 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
805 if SSE math is enabled.
807 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
809 * diagnostic.c (diagnostic_initialize): Update.
810 (diagnostic_report_diagnostic): Test inhibit_notes_p for
812 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
813 (diagnostic_inhibit_notes): New.
814 * toplev.c (process_options): inhibit notes with -fcompare-debug.
816 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
819 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
820 * doc/standards.texi: Likewise.
821 * doc/extend.texi: Likewise.
822 * doc/trouble.texi: Likewise.
823 * doc/cppopts.texi: Likewise.
824 * doc/install.texi: Likewise.
825 * c.opt (std=c90,std=gnu90): New options.
826 * c-opts.c (c_common_handle_option): Handle them.
828 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
831 * c-decl.c (undeclared_variable): Use an informative note.
833 2010-02-26 Richard Guenther <rguenther@suse.de>
835 PR tree-optimization/43186
836 * gimple.h (gimple_fold): Remove.
837 * gimple.c (gimple_fold): Remove. Inline into single user ...
838 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
839 Try harder for conditions.
841 2010-02-26 Jakub Jelinek <jakub@redhat.com>
844 * function.c (used_types_insert): Don't skip through named pointer
845 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
846 and it is different from the main variant's type.
848 2010-02-26 Nick Clifton <nickc@redhat.com>
850 * config/rx/rx.md (sminsi3): Remove bogus alternative.
852 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
854 * config.gcc: Support --with-fpmath=sse for x86.
856 * config/i386/ssemath.h: New.
858 * doc/install.texi (--with-fpmath=sse): Documented.
860 2010-02-26 Richard Guenther <rguenther@suse.de>
862 PR tree-optimization/43188
863 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
864 vector types of over-aligned element type.
866 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
869 * config/i386/i386.c (expand_vec_perm_blend): Use correct
870 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
872 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
874 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
876 2010-02-26 Jakub Jelinek <jakub@redhat.com>
878 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
879 * var-tracking.c: Include diagnostic.h.
880 (debug_dv): New function.
881 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
884 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
885 (add_value_chain, add_value_chains, remove_value_chain,
886 remove_value_chains): Handle DEBUG_EXPRs.
887 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
890 * regcprop.c (struct queued_debug_insn_change): New type.
891 (struct value_data_entry): Add debug_insn_changes field.
892 (struct value_data): Add n_debug_insn_changes field.
893 (debug_insn_changes_pool): New variable.
894 (free_debug_insn_changes, apply_debug_insn_changes,
895 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
896 (kill_value_one_regno): Call free_debug_insn_changes if needed.
897 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
899 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
901 (copyprop_hardreg_forward_1): Don't call apply_change_group for
902 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
903 changes, call cprop_find_used_regs via note_stores.
904 (copyprop_hardreg_forward): When copying vd from predecessor
905 which has any queued DEBUG_INSN changes, make sure the pointers are
906 cleared. At the end call df_analyze and then if there are any
907 DEBUG_INSN changes queued at the end of some basic block for still
908 live registers, apply them.
909 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
911 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
913 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
916 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
918 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
919 targets. Set the default with_cpu/with_arch from arch/cpu.
920 Allow x86-64 and native for with_cpu/with_arch.
922 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
924 * ebitmap.c: Change calls to verify_popcount with calls to
925 sbitmap_verify_popcount.
926 (ebitmap_clear_bit): Fixed map->cacheindex test and
927 map>cache update when bit clearing results in an empty
930 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
933 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
934 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
935 and support both V2DF and V2DI modes.
936 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
937 support both V2DF and V2DI modes.
938 (general): Delete trailing whitespace from a few patterns.
940 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
941 V2DF/V2DI interleave high/low builtins.
943 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
946 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
947 interleave high/low functions.
949 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
951 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
952 #pragma extern_prefix.
954 2010-02-25 Jakub Jelinek <jakub@redhat.com>
957 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
958 BLKmode, assert op0 is a MEM and just adjust its mode.
961 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
962 if bitpos isn't multiple of mode's bitsize.
964 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
966 * c.opt (-ftemplate-depth=): New.
967 (-ftemplate-depth-): Deprecate.
968 * optc-gen.awk: Handle -ftemplate-depth=.
969 * opth-gen.awk: Likewise.
970 * c-opts.c (c_common_handle_option): Likewise.
971 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
973 2010-02-24 Jason Merrill <jason@redhat.com>
975 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
977 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
979 * cfg.c (alloc_aux_for_block): Remove inline.
980 (alloc_aux_for_edge): Likewise.
982 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
984 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
986 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
988 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
989 * config/i386/sol2-gas.h: New file.
990 * config.gcc (i[34567]86-*-solaris2*): Use it.
992 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
995 * c-typeck.c (ep_convert_and_check): New.
996 (build_conditional_expr): Use it.
997 (build_binary_op): Likewise.
999 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1001 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1004 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1005 bounds even for -O+.
1006 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1007 expr needs to have DECL_NAME set.
1009 2010-02-24 Nick Clifton <nickc@redhat.com>
1011 * config/mep/mep.c: Include gimple.h.
1012 (mep_function_uses_sp): Delete unused function.
1013 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1014 parameters. Use unsigned integers to count args. Return a
1015 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1017 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1020 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1021 greater or equal to nelt instead of 2 * nelt.
1022 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1025 2010-02-23 Jason Merrill <jason@redhat.com>
1028 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1029 in cfun->local_decls even if they have register types.
1032 * stor-layout.c (place_field): Don't warn about unnecessary
1033 DECL_PACKED if the type is packed.
1035 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1038 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1039 GOTOFF relocs, even when the base reg isn't pic pointer.
1041 2010-02-23 Michael Matz <matz@suse.de>
1044 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1045 (expand_gimple_basic_block): Generate and use debug temps if there
1046 are debug uses left after the last real use of TERed ssa names.
1047 Unlink debug immediate uses when they are expanded.
1049 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1052 * config/i386/i386.c (override_options): Reorganise to provide
1053 better error messages.
1055 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1058 * graphite-scop-detection.c (create_single_exit_edge): Move
1059 the call to find_single_exit_edge to....
1060 (create_sese_edges): ...here. Don't handle multiple edges
1061 exiting the function.
1062 (build_graphite_scops): Don't handle multiple edges
1063 exiting the function.
1065 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1068 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1069 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1071 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1074 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1076 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1079 * c-typeck.c (convert_arguments): Print declaration location.
1080 * c-common.c (validate_nargs): Rename as
1081 builtin_function_validate_nargs.
1082 (check_builtin_function_arguments): Update.
1084 2010-02-22 Richard Guenther <rguenther@suse.de>
1087 * tree-inline.c (declare_return_variable): Use the type of
1088 the call stmt lhs if available.
1090 2010-02-22 Duncan Sands <baldrick@free.fr>
1092 * passes.c (register_pass): Always consider all pass lists when
1093 ref_pass_instance_number is zero.
1095 2010-02-22 Richard Guenther <rguenther@suse.de>
1097 PR tree-optimization/42749
1098 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1099 parameter. Do arithmetic in the original type.
1100 (update_accumulator_with_ops): Likewise.
1101 (adjust_accumulator_values): Adjust.
1103 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1105 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1106 (QI to BLKmode splitter): New splitter.
1108 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1110 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1111 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1113 2010-02-22 Richard Guenther <rguenther@suse.de>
1115 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1117 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1119 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1120 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1121 ($(T)crti.o, $(T)crtn.o): Remove rules.
1123 2010-02-21 Tobias Burnus <burnus@net-b.de>
1126 * doc/invoke.texi (-fassociative-math): Document that this
1127 option is automatically enabled for Fortran.
1129 2010-02-20 David S. Miller <davem@davemloft.net>
1131 * configure.ac: Test if linker and assembler properly support
1132 GOTDATA_OP relocations.
1133 * configure: Rebuild.
1134 * config.in: Likewise.
1135 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1136 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1137 (movsi_high_pic): Likewise.
1138 (movdi_lo_sum_pic): Likewise.
1139 (movdi_high_pic): Likewise.
1140 (movsi_pic_gotdata_op): New pattern.
1141 (movdi_pic_gotdata_op): Likewise.
1142 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1143 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1145 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1148 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1149 attribute to ssemul.
1150 (xop_mulv2div2di3_high): Ditto.
1152 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1155 * c.opt (Wconversion-null): New option.
1156 * doc/invoke.texi (Wconversion-null): Document.
1158 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1160 * common.opt (Wlarger-than-): Add Undocumented.
1162 2010-02-19 Mike Stump <mikestump@comcast.net>
1164 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1166 2010-02-19 Jason Merrill <jason@redhat.com>
1169 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1170 * configure: Likewise.
1172 2010-02-20 Alan Modra <amodra@gmail.com>
1175 * cgraph.h (cgraph_make_decl_local): Declare.
1176 * cgraph.c (cgraph_make_decl_local): New function.
1177 (cgraph_make_node_local): Use it.
1178 * cgraphunit.c (cgraph_function_versioning): Likewise.
1179 * ipa.c (function_and_variable_visibility): Likewise.
1181 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1184 * except.c (sjlj_emit_function_enter): Don't call
1185 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1187 * rtl.h (add_reg_br_prob_note): Remove prototype.
1189 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1192 * c-common.c (conversion_warning): Remove widening conversions
1193 before checking the conversion of integers to reals.
1195 2010-02-19 Mike Stump <mikestump@comcast.net>
1198 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1201 * cgraphunit.c (process_function_and_variable_attributes): Check
1202 DECL_PRESERVE_P instead of looking up attribute "used".
1203 * ipa-pure-const.c (check_decl): Likewise.
1204 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1205 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1206 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1207 instead of attribute "used".
1208 * config/sol2-c.c (solaris_pragma_init): Likewise.
1209 (solaris_pragma_fini): Likewise.
1211 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1213 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1214 Use XCNEW instead of xcalloc.
1215 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1216 XNEW instead of xmalloc.
1217 (get_fields): Use XNEWVEC instead of xmalloc.
1220 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1221 populate vars array.
1222 (create_new_general_access): For debug stmts just reset value.
1223 (get_stmt_accesses): For accesses within debug stmts just record them
1224 using add_access_to_acc_sites instead of preventing the peeling or
1225 counting them as accesses.
1228 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1230 2010-02-19 Richard Guenther <rguenther@suse.de>
1232 PR tree-optimization/42916
1233 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1236 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1238 * configure.ac: Replace all uses of changequote in macro arguments
1239 with proper quoting.
1241 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1244 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1246 2010-02-19 Richard Guenther <rguenther@suse.de>
1248 PR tree-optimization/42944
1249 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1250 test for aliasing with errno.
1252 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1255 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1256 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1257 * dojump.c: Include output.h.
1258 (inv): New inline function.
1259 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1260 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1261 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1262 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1263 argument, pass it down to other calls.
1264 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1265 add REG_BR_PROB note to the conditional jump.
1266 * cfgexpand.c (add_reg_br_prob_note): Removed.
1267 (expand_gimple_cond): Don't call it, add the probability
1268 as last argument to jumpif_1/jumpifnot_1.
1269 * Makefile.in (dojump.o): Depend on output.h.
1270 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1272 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1273 * stmt.c (do_jump_if_equal): Likewise.
1274 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1275 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1276 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1278 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1279 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1280 jumpifnot_1 callers.
1281 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1283 (store_expr): Adjust jumpifnot caller.
1284 (store_constructor): Adjust jumpif caller.
1287 * gimplify.c (gimple_boolify): For __builtin_expect call
1288 gimple_boolify also on its first argument.
1290 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1292 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1294 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1295 * configure: Regenerated.
1297 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1299 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1300 lang_hooks.types_compatible_p instead of comptypes.
1302 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1304 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1305 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1306 if __prefer_thumb__ is defined.
1308 2010-02-18 Martin Jambor <mjambor@suse.cz>
1310 PR tree-optimization/43066
1311 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1312 array with zero-sized element type.
1314 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1316 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1317 rtx, allocate struct var_loc_node here and return it to the
1318 caller, and only if it is actually needed.
1319 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1320 move it earlier and return immediately if it returns NULL.
1322 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1324 * config/sparc/gas.h: New file. Restore
1325 TARGET_ASM_NAMED_SECTION to its ELF default.
1326 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1328 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1329 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1330 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1331 after sparc/sysv4.h.
1333 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1335 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1337 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1339 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1340 patterns from predicated pattern.
1342 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1345 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1346 for insn mnemonic suffix.
1348 2010-02-17 Richard Guenther <rguenther@suse.de>
1350 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1353 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1356 * caller-save.c (save_call_clobbered_regs): If BB ends with
1357 a DEBUG_INSN, move any notes in between last real insn and the last
1358 DEBUG_INSN after the last DEBUG_INSN.
1360 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1362 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1363 Fix return type. Fix argument type. Explain meaning of return value.
1365 2010-02-16 Richard Guenther <rguenther@suse.de>
1367 PR tree-optimization/41043
1368 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1369 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1371 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1373 2010-02-16 Ira Rosen <irar@il.ibm.com>
1375 PR tree-optimization/43074
1376 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1377 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1378 vectorizable cycles in hybrid SLP check.
1379 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1381 2010-02-16 Richard Guenther <rguenther@suse.de>
1383 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1384 (true_dependence): If memrefs_conflict_p computes must-alias
1385 trust it. Move TBAA check after offset-based disambiguation.
1386 (canon_true_dependence): Likewise.
1388 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1390 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1391 * doc/invoke.texi: Document it.
1392 * var-tracking.c: Include toplev.h and params.h.
1393 (vt_find_locations): Return bool indicating success. Compute
1394 hash sizes unconditionally. Check new parameter, report.
1395 (variable_tracking_main_1): Check vt_find_locations results and
1396 retry. Renamed from...
1397 (variable_tracking_main): ... this. New wrapper to preserve
1398 flag_var_tracking_assignments.
1399 * Makefile.in (var-tracking.o): Adjust dependencies.
1401 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1402 Jakub Jelinek <jakub@redhat.com>
1405 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1406 if weak_import attribute is present.
1407 * config/darwin.c (machopic_select_section): Likewise.
1409 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1411 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1412 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1413 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1414 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1416 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
1418 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1421 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1422 Rewrite text to refer to the names.
1424 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1426 * config/i386/i386-builtin-types.def
1427 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1428 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1429 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1430 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1431 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1432 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1433 IX86_BUILTIN_VPERMIL2PS256.
1434 (MULTI_ARG_4_DF2_DI_I): Defined.
1435 (MULTI_ARG_4_DF2_DI_I1): Defined.
1436 (MULTI_ARG_4_SF2_SI_I): Defined.
1437 (MULTI_ARG_4_SF2_SI_I1): Defined.
1438 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1439 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1440 __builtin_ia32_vpermil2ps256.
1441 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1442 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1443 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1444 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1445 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1446 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1447 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1448 CODE_FOR_xop_vpermil2v8sf3.
1449 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1450 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1451 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1452 (_mm256_permute2_pd): New.
1453 (_mm_permute2_ps): New.
1454 (_mm256_permute2_ps): New.
1456 2010-02-15 Nick Clifton <nickc@redhat.com>
1458 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
1459 boolean parameters. Use emit_jump_insn when emitting a pop
1460 instruction containing a return insn.
1461 (push): Use 'true' rather than '1' as second parameter to F.
1462 (h8300_expand_prologue): Likewise.
1463 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1464 (h8300_expand_epilogue): Likewise.
1466 2010-02-15 Richard Guenther <rguenther@suse.de>
1469 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1472 2010-02-15 Nick Clifton <nickc@redhat.com>
1474 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1477 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1479 * intl.c (fake_ngettext): New function.
1480 * intl.h (fake_ngettext): Declare.
1481 (ngettext): Define macro.
1482 * collect2.c (notice_translated): New function.
1483 (main): Use notice_translated and ngettext.
1484 * collect2.h (notice_translated): Declare.
1486 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1488 * reorg.c (delete_computation): Comment fixes.
1489 * caller-save.c (setup_save_areas): Idem.
1490 * sel-sched-dump.c (dump_lv_set): Idem.
1493 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1495 * config/s390/s390.c (s390_sched_init): New function.
1496 (TARGET_SCHED_INIT): Target hook defined.
1498 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1499 Jack Howarth <howarth@bromo.med.uc.edu>
1500 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1503 Partial revert of unintended change in fix for PR41605.
1504 * config/darwin.h: Fix typo.
1505 * config/darwin9.h: Same.
1507 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1509 * c-pch.c (pch_init): Clear v.
1511 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1514 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1515 graphite_can_represent_init for MULT_EXPR.
1517 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1521 * graphite-sese-to-poly.c (remove_phi): New.
1522 (translate_scalar_reduction_to_array): Call remove_phi.
1524 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1527 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1528 * graphite-clast-to-gimple.h (gloog): Update declaration.
1529 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1530 * graphite-poly.h (struct poly_bb): Add missing comments.
1531 (struct scop): Add poly_scop_p field.
1533 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1534 * graphite.c (graphite_transform_loops): Build the polyhedral
1535 representation for each scop before code generation.
1536 * sese.c (rename_variables_in_operand): Removed.
1537 (rename_variables_in_expr): Return the renamed expression.
1538 (rename_sese_parameters): New.
1539 * sese.h (rename_sese_parameters): Declared.
1541 2010-02-11 Richard Guenther <rguenther@suse.de>
1543 PR tree-optimization/42998
1544 * tree-ssa-pre.c (create_expression_by_pieces): Treat
1545 POINTER_PLUS_EXPR properly.
1547 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1548 Changpeng Fang <changpeng.fang@amd.com>
1551 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
1552 the cost of an IV candidate when the IV is used in a test against zero.
1554 * gcc.dg/tree-ssa/ivopts-3.c: New.
1556 2010-02-11 Richard Guenther <rguenther@suse.de>
1559 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
1560 pointer-vs-decl case by swapping refs. Handle some cases
1561 of pointer-vs-decl disambiguations more conservatively.
1562 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
1563 to false after expanding.
1565 2010-02-11 Richard Guenther <rguenther@suse.de>
1568 * gcc.c (process_command): Handle LTO file@offset case more
1571 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1573 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1574 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1576 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1578 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1579 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1580 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1581 Optimize eq/ne comparisons when both arguments are known to be
1583 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1584 Don't mask operands unnecessarily if they are known to be already
1587 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1589 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1592 2010-02-10 Richard Guenther <rguenther@suse.de>
1594 PR tree-optimization/43017
1595 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1596 for wrapping signed arithmetic.
1598 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1601 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1602 if no debug info should be emitted for it.
1604 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1606 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1607 note when flag_exceptions is set.
1609 2010-02-10 Duncan Sands <baldrick@free.fr>
1611 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1613 2010-02-10 Richard Guenther <rguenther@suse.de>
1616 * tree.c (get_unwidened): Handle constants.
1617 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1619 2010-02-10 Martin Jambor <mjambor@suse.cz>
1622 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1623 check for variable argument counts independently.
1625 2010-02-10 Christian Bruel <christian.bruel@st.com>
1628 * config/sh/sh.c (find_barrier): Increase length for non delayed
1629 conditional branches.
1631 2010-02-10 Christian Bruel <christian.bruel@st.com>
1633 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1635 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1637 * builtins.c (set_builtin_user_assembler_name): Also handle
1638 ffs if int is smaller than word.
1640 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1643 * ira-conflicts.c (get_dup): Remove.
1644 (process_reg_shuffles): Add new parameter. Use it as an
1645 additional guard for copy generation.
1646 (add_insn_allocno_copies): Rewrite.
1648 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1650 * common.opt (fsched2-use-traces): Preserved for backward
1652 * doc/invoke.texi: Remove the documentation about option
1653 -fsched2-use-traces.
1654 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1655 flag_sched2_use_traces.
1656 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1657 the backward compatibility flag section.
1659 2010-02-09 Richard Guenther <rguenther@suse.de>
1661 PR tree-optimization/43008
1662 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1663 make HEAP variables initialized from global memory if they
1664 are not known builtin functions.
1665 (find_func_aliases): Adjust.
1667 2010-02-09 Richard Guenther <rguenther@suse.de>
1669 PR tree-optimization/43000
1670 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1671 arithmetic manually.
1673 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1675 PR tree-optimization/42931
1676 * tree-loop-linear.c (try_interchange_loops): Don't call
1677 double_int_mul if estimated_loop_iterations failed.
1679 2010-02-08 Martin Jambor <mjambor@suse.cz>
1682 * tree-sra.c (build_accesses_from_assign): Do not mark in
1683 should_scalarize_away_bitmap if stmt has volatile ops.
1684 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1687 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1689 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1691 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1693 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1696 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1699 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1701 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1704 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1705 to unknown_dependence.
1706 (graphite_legal_transform_dr): Handle the unknown_dependence.
1707 (graphite_carried_dependence_level_k): Same.
1709 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1711 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1713 2010-02-07 Richard Guenther <rguenther@suse.de>
1716 * expr.c (get_inner_reference): Always initialize *pbitsize.
1718 2010-02-07 Richard Guenther <rguenther@suse.de>
1721 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1722 new ARRAY_REFs on variable size element or minimal index arrays.
1724 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1725 gimple_fold_indirect_ref.
1727 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1730 * arm.c (arm_override_options): Just return if the user has specified
1731 an invalid fpu name.
1733 2010-02-03 Jason Merrill <jason@redhat.com>
1736 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1737 i386_pe_maybe_record_exported_symbol.
1739 2010-02-05 Steve Ellcey <sje@cup.hp.com>
1742 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1743 (pa_delegitimize_address): New function.
1745 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
1747 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
1748 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
1750 2010-02-05 Richard Guenther <rguenther@suse.de>
1753 * lto-streamer-in.c (get_resolution): Deal with references
1754 to undefined functions.
1756 2010-02-05 Richard Guenther <rguenther@suse.de>
1758 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
1759 (fold_const_aggregate_ref): Likewise.
1760 (ccp_fold_stmt): Substitute loads.
1761 (maybe_fold_reference): Verify types before substituting.
1763 (fold_gimple_assign): Unshare properly.
1764 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
1766 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
1768 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
1769 for rs6000_gen_cell_microcode.
1771 2010-02-04 Richard Guenther <rguenther@suse.de>
1773 PR rtl-optimization/42952
1774 * dse.c (const_or_frame_p): Remove MEM handling.
1776 2010-02-04 Nick Clifton <nickc@redhat.com>
1778 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
1779 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
1780 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
1781 (mn10300_asm_output_mi_thunk): New function.
1782 (mn10300_can_output_mu_thunk): New function.
1783 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
1784 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
1785 (FUNCTION_ARG): Delete incorrect comment.
1787 2010-02-03 Jason Merrill <jason@redhat.com>
1790 * fold-const.c (operand_equal_p): Handle erroneous types.
1792 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1794 * config/h8300/h8300.md (can_delay): Fix attibute condition.
1796 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
1798 PR rtl-optimization/42941
1799 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
1802 2010-02-03 Jason Merrill <jason@redhat.com>
1805 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
1807 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
1810 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
1811 (cselib_reset_table): Renamed from...
1812 (cselib_reset_table_with_next_value): ... this.
1813 (cselib_get_next_uid): Renamed from...
1814 (cselib_get_next_unknown_value): ... this.
1815 * cselib.c (next_uid): Renamed from...
1816 (next_unknown_value): ... this.
1817 (cselib_clear_table): Adjust.
1818 (cselib_reset_table): Adjust. Renamed from...
1819 (cselib_reset_table_with_next_value): ... this.
1820 (cselib_get_next_uid): Adjust. Renamed from...
1821 (cselib_get_next_unknown_value): ... this.
1822 (get_value_hash): Use hash.
1823 (cselib_hash_rtx): Likewise.
1824 (new_cselib_val): Adjust. Set and dump uid.
1825 (cselib_lookup_mem): Pass next_uid as hash.
1826 (cselib_subst_to_values): Likewise.
1827 (cselib_log_lookup): Dump uid.
1828 (cselib_lookup): Pass next_uid as hash. Adjust.
1829 (cselib_process_insn): Adjust.
1830 (cselib_init): Initialize next_uid.
1831 (cselib_finish): Adjust.
1832 (dump_cselib_table): Likewise.
1833 * dse.c (canon_address): Dump value uid.
1834 * print-rtl.c (print_rtx): Print value uid.
1835 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
1837 (dv_uid): New function, sort of renamed from...
1838 (dv_htab_hash): ... this, reimplemented in terms of it and...
1839 (dv_uid2hash): ... this. New.
1840 (variable_htab_eq): Drop excess assertions.
1841 (tie_break_pointers): Removed.
1842 (canon_value_cmp): Compare uids.
1843 (variable_post_merge_New_vals): Print uids.
1844 (vt_add_function_parameters): Adjust.
1845 (vt_initialize): Reset table. Adjust.
1847 2010-02-03 Richard Guenther <rguenther@suse.de>
1849 PR tree-optimization/42944
1850 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
1851 (call_may_clobber_ref_p_1): Likewise. Properly handle
1852 malloc and calloc clobbering errno.
1854 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
1856 * doc/invoke.texi: Fix name of sched1 dump.
1858 * opts.c (decode_options): Set flag_tree_switch_conversion
1859 only conditionally on optimize >= 2.
1861 * gcse.c: Assorted comment fixes in pass description.
1863 2010-02-03 Anthony Green <green@moxielogic.com>
1865 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
1866 nop padding in order to maintain alignment of storage location of
1867 target function address.
1868 (moxie_trampoline_init): Store target function address at newly
1870 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
1872 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
1874 2010-02-03 Richard Guenther <rguenther@suse.de>
1877 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
1879 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1881 * config.gcc: Reenable check for obsolete targets.
1882 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
1883 mips-sgi-irix6.[0-4]*.
1885 2010-02-02 Nick Clifton <nickc@redhat.com>
1887 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
1888 constant size of 4 as being the same as 0.
1889 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
1890 can take values in the range 0..4.
1892 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
1895 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
1896 as _darwin10_Unwind_FindEnclosingFunction().
1897 * libgcc-libsystem.ver: New.
1899 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
1902 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
1903 implicitly set registers.
1905 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
1907 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
1908 (arm_override_options): Allow automatic selection of the thread
1909 pointer register if thumb2.
1910 (legitimize_pic_address): Improve code sequences for Thumb2.
1911 (arm_call_tls_get_addr): Likewise.
1912 (legitimize_tls_address): Likewise.
1913 * arm.md (pic_load_addr_arm): Delete. Replace with ...
1914 (pic_load_addr_32bit): ... this. New named pattern.
1915 * thumb2.md (pic_load_addr_thumb2): Delete.
1916 (pic_load_dot_plus_four): Delete.
1917 (tls_load_dot_plus_four): New named pattern.
1919 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1922 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
1923 Document fix for TLS bug.
1925 2010-01-31 Richard Guenther <rguenther@suse.de>
1927 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
1928 conservatively correct.
1930 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1934 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1936 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
1938 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1940 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
1942 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
1944 * config.gcc: Adjust order of makefile fragments for mingw targets.
1946 2010-01-31 Richard Guenther <rguenther@suse.de>
1949 * gimplify.c (gimplify_init_constructor): For volatile LHS
1950 initialize a temporary.
1952 2010-01-31 Matthias Klose <doko@ubuntu.com>
1954 * configure.ac: Fix __stack_chk_fail check for cross builds configured
1956 * configure: Regenerate.
1958 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
1960 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1961 the same alias set and their sizes different constantness.
1962 (aliasing_component_refs_p): Revert 2009-10-24 change.
1964 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1966 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
1969 2010-01-29 Richard Guenther <rguenther@suse.de>
1971 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
1972 Assert we successfully updated the call.
1974 2010-01-29 Jakub Jelinek <jakub@redhat.com>
1976 PR rtl-optimization/42889
1977 * df.h (df_set_bb_dirty_nonlr): New prototype.
1978 * df-core.c (df_set_bb_dirty_nonlr): New function.
1979 * df-scan.c (df_insn_rescan): Call it instead of
1980 df_set_bb_dirty for DEBUG_INSNs.
1982 2010-01-29 Richard Guenther <rguenther@suse.de>
1985 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
1986 quadratic behavior in most cases.
1988 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
1991 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
1992 in the call to gen_x86_movsicc_0_m1.
1994 2010-01-28 Richard Guenther <rguenther@suse.de>
1996 PR tree-optimization/42871
1997 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
1999 2010-01-28 Richard Guenther <rguenther@suse.de>
2001 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2002 into call arguments.
2004 2010-01-28 Richard Guenther <rguenther@suse.de>
2007 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2008 the forwarder if the destination is an EH landing pad.
2010 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2012 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2013 block list passed to gimple_duplicate_sese_tail.
2014 (parallelize_loops): Avoid parallelization when the function
2016 Avoid parallelization when the preheader is IRREDUCIBLE.
2017 Try to optimize when estimated_loop_iterations_int is unresolved.
2018 Add the loop's location to the dump file.
2019 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2020 (gimple_duplicate_sese_tail): Remove the check for the latch.
2021 Redirect nexits to the exit block.
2022 Remove handling of the incoming edges to the latch.
2023 Redirect the backedge from the copied latch to the exit bb.
2025 2010-01-28 Michael Matz <matz@suse.de>
2028 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2029 Wrap force_reg into a sequence, emit it before user.
2031 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2033 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2035 (arm_legacy_rev): Likewise.
2036 (thumb_legacy_rev): Likewise.
2038 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2040 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2041 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2042 on MEM's address failed, try avoid_constant_pool_reference and
2043 recurse if it returned something different.
2044 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2045 address, try avoid_constant_pool_reference and recurse if it
2046 returned something different.
2047 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2048 address and avoid_constant_pool_reference returned something
2049 different, don't set have_address.
2051 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2054 * var-tracking.c (val_store): Add modified argument, obey it.
2056 (count_uses): Move down logging of main.
2057 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2058 don't need resolution.
2059 (emit_notes_in_bb): Likewise.
2061 2010-01-27 Richard Guenther <rguenther@suse.de>
2064 * tree-inline.c (remap_decl): Delay remapping of SSA name
2065 default definitions until we need them.
2067 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2069 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2070 (rs6000_delegitimize_address): New function.
2072 * config/s390/s390.c (s390_delegitimize_address): Call
2073 delegitimize_mem_from_attrs.
2076 * tree-inline.c (cannot_copy_type_1): Removed.
2077 (copy_forbidden): Don't forbid copying of functions containing
2078 records/unions with variable length fields.
2080 2010-01-27 Christian Bruel <christian.bruel@st.com>
2084 * config/sh/sh.c (find_barrier): Increase length for non delayed
2085 conditional branches.
2087 2010-01-27 Matthias Klose <doko@ubuntu.com>
2089 * configure.ac (gnu-unique-object): Fix ldd version check.
2090 * configure: Regenerate.
2092 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2094 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2096 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2097 Test for HAVE_GNU_AS value.
2099 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2101 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2102 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2103 INT64_TYPE): Define.
2104 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2105 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2106 INT_LEAST64_TYPE): Define.
2107 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2108 UINT_LEAST64_TYPE): Define.
2109 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2110 INT_FAST64_TYPE): Define.
2111 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2112 UINT_FAST64_TYPE): Define.
2113 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2114 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2115 (SIG_ATOMIC_TYPE): Define.
2117 2010-01-26 Richard Guenther <rguenther@suse.de>
2119 * df-scan.c (df_scan_set_bb_info): Remove assert.
2120 (df_insn_rescan_debug_internal): Merge asserts.
2121 (df_install_ref): Likewise.
2122 (df_mark_reg): Use bitmap_set_range.
2123 (df_hard_reg_used_p): Remove assert.
2124 (df_hard_reg_used_count): Likewise.
2126 2010-01-26 Richard Guenther <rguenther@suse.de>
2128 PR rtl-optimization/42685
2129 * web.c (web_main): Ignore DEBUG_INSNs.
2131 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2133 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2135 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2136 Fix types of fndecl and arglist parameters.
2138 2010-01-26 Richard Guenther <rguenther@suse.de>
2141 * tree-eh.c (unsplit_eh): Skip debug insns.
2143 2010-01-26 Richard Guenther <rguenther@suse.de>
2145 PR tree-optimization/42250
2146 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2148 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2151 * omp-low.c (expand_omp_sections): Only use single_pred if
2152 l2_bb is single_pred_p.
2154 2010-01-25 Christian Bruel <christian.bruel@st.com>
2157 * config/sh/sh.c (find_barrier): Increase length for non delayed
2158 conditional branches.
2159 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2161 2010-01-24 David S. Miller <davem@davemloft.net>
2163 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2164 define if not using GAS.
2165 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2166 Likewise. Delete SECTION_MERGE code, which is only applicable
2169 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2172 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2173 mangling of va_list in system headers.
2175 2010-01-23 Toon Moene <toon@moene.org>
2177 * tree-predcom.c (combine_chains): Return NULL, not false.
2179 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2181 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2182 initialization of variable res to agree with return type.
2184 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2186 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2187 * tree-sra.c: Add include of expr.h.
2189 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2191 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2192 insert the debug stmt on the single non-EH edge from the stmt.
2194 2010-01-22 Richard Henderson <rth@redhat.com>
2197 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2198 the RHS until after generate_subtree_copies has insertted its
2199 code before the current statement.
2201 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2203 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2205 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2207 2010-01-21 Martin Jambor <mjambor@suse.cz>
2209 PR tree-optimization/42585
2210 * tree-sra.c (struct access): New field grp_total_scalarization.
2211 (dump_access): Dump the new field.
2212 (should_scalarize_away_bitmap): New variable.
2213 (cannot_scalarize_away_bitmap): Likewise.
2214 (sra_initialize): Allocate new bitmaps.
2215 (sra_deinitialize): Free new bitmaps.
2216 (create_access_1): New function.
2217 (create_access): Parts moved to create_access_1.
2218 (type_consists_of_records_p): New function.
2219 (completely_scalarize_record): Likewise.
2220 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2221 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2222 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2224 (analyze_all_variable_accesses): Completely scalarize small eligible
2227 2010-01-21 Martin Jambor <mjambor@suse.cz>
2229 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2231 2010-01-21 Andrew Haley <aph@redhat.com>
2233 * gcc.c (process_command): Move lang_specific_driver before
2234 setting cc_libexec_prefix.
2236 2010-01-21 Richard Guenther <rguenther@suse.de>
2239 * fold-const.c (negate_expr_p): Pretend only negative
2240 real constants are easily negatable.
2242 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2243 Jason Merrill <jason@redhat.com>
2245 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2246 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2247 * calls.c (initialize argument_information): Handle it.
2248 * c-common.c (handle_transparent_union_attribute): Use new name.
2249 * c-decl.c (finish_struct): Ditto.
2250 * c-typeck.c (type_lists_compatible_p): Ditto.
2251 (convert_for_assignment): Use new name and also handle record.
2252 * function.c (aggregate_value_p): Handle it.
2253 (pass_by_reference): Ditto.
2254 (assign_parm_data_types): Ditto.
2255 * print-tree.c (print_node): Ditto.
2256 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2257 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2258 * tree.c (first_field): New fn.
2260 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2263 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2264 even when linking statically, for now.
2266 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2269 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2270 without a cselib val.
2271 (count_uses): Accept MO_VAL_SET with no val on stores.
2272 (add_stores): Likewise.
2274 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2276 * var-tracking.c (check_value_val): Add a compile time assertion.
2277 (dv_is_decl_p): Simplify.
2278 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2279 gcc_assert if ENABLE_CHECKING.
2281 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2284 * var-tracking.c: Include tree-flow.h.
2285 (mem_dies_at_call): New.
2286 (dataflow_set_preserve_mem_locs): Use it.
2287 (dataflow_set_remove_mem_locs): Likewise.
2288 (dump_var): Renamed from dump_variable. Adjust all callers.
2289 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2290 * Makefile.in (var-tracking.o): Adjust deps.
2292 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2294 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2296 2010-01-20 Richard Guenther <rguenther@suse.de>
2298 PR tree-optimization/42717
2299 * tree-ssa-dce.c (get_live_post_dom): Remove.
2300 (forward_edge_to_pdom): Take an arbitrary edge to copy
2301 degenerate PHI args from.
2302 (remove_dead_stmt): Use the first post-dominator even if it
2303 does not contain live statements as redirection destination.
2305 2010-01-20 Richard Guenther <rguenther@suse.de>
2307 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2309 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2311 * sel-sched.c (create_speculation_check): Remove set but not used
2313 (try_transformation_cache): Remove set but not used variable ds.
2314 (calculate_privileged_insns): Remove set but not used variables
2315 cur_insn and min_spec_insn.
2316 (find_best_expr): Remove set but not used variable avail_n.
2317 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2319 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2321 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2322 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2325 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2328 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2329 cpu types. Add support for *-sse3 cpu types.
2330 (x86_64-*-*): Ditto.
2332 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2335 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2336 argument, call initializer_constant_valid_p_1 instead of
2337 initializer_constant_valid_p, pass CACHE to it, return NULL
2338 immediately if first call returns NULL.
2339 (initializer_constant_valid_p_1): New function.
2340 (initializer_constant_valid_p): Use it.
2342 2010-01-20 Thomas Quinot <quinot@adacore.com>
2344 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2346 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2348 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2349 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2350 (loc_list_from_tree): Don't handle unsigned division. Handle
2351 signed modulo using DW_OP_{over,over,div,mul,minus}.
2352 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2353 modulo instead of signed.
2355 2010-01-20 DJ Delorie <dj@redhat.com>
2357 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2359 (h8300_emit_stack_adjustment): Propogate it.
2361 (h8300_expand_prologue): Likewise.
2362 (h8300_expand_epilogue): Likewise.
2364 2010-01-19 Michael Matz <matz@suse.de>
2366 PR tree-optimization/41783
2367 * tree-data-ref.c (toplevel): Include flags.h.
2368 (dump_data_dependence_relation): Also dump the inputs if the
2369 result will be unknown.
2370 (split_constant_offset_1): Look through some conversions.
2371 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2372 the offset from last element is too large.
2373 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2374 (reassociate_to_the_same_stmt): Handle vector registers.
2375 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2377 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2378 wide_prolog_niters argument, emit widening instructions.
2379 (vect_do_peeling_for_alignment): Adjust caller, use widened
2380 variant of the iteration cound.
2381 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2383 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2386 * config/arm/neon-testgen.m (emit_automatics): New parameter
2387 features. Adjust for Fixed_return_reg feature.
2388 (test_intrinsic): Call emit_automatics with new feature.
2389 * config/arm/neon.ml: Update copyright years.
2390 (features): New Fixed_return_reg feature.
2391 (ops): Update feature for Vget_low.
2393 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2395 PR tree-optimization/42719
2396 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2400 * fwprop.c (all_uses_available_at): Return false if def_set dest
2401 is a REG that is used in def_insn.
2403 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2405 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2407 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2410 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2412 * target.h (struct gcc_target) <secondary_reload>: Change type
2413 of last argument to secondary_reload_info *.
2415 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2418 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2419 memory references with unaligned offsets. Remove CQImode handling.
2420 (unaligned_memory_operand): Return 1 for memory references with
2421 unaligned offsets. Remove CQImode handling.
2423 2010-01-18 Richard Guenther <rguenther@suse.de>
2426 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2429 2010-01-18 Richard Guenther <rguenther@suse.de>
2431 PR tree-optimization/42781
2432 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2433 restrict processing only if the original variable was artificial.
2435 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2437 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2438 find number of popped argument bytes.
2440 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2441 Fix the text that describes the return value for invalid insns.
2443 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2445 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2446 Clarify what 'cost of the -dependence' is. Fix quoting.
2448 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2449 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2451 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2453 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2454 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2456 2010-01-17 Richard Guenther <rguenther@suse.de>
2459 * function.c (split_complex_args): Take a VEC to modify.
2460 (assign_parms_augmented_arg_list): Build a VEC instead of
2461 a chain of PARM_DECLs.
2462 (assign_parms_unsplit_complex): Take a VEC of arguments.
2463 Do not fixup unmodified parms.
2464 (assign_parms): Deal with the VEC.
2465 (gimplify_parameters): Likewise.
2467 2010-01-17 Richard Guenther <rguenther@suse.de>
2469 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2470 node existence check.
2471 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2472 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2473 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2474 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2475 (gimple_execute_on_growing_pred): Likewise.
2477 2010-01-17 Richard Guenther <rguenther@suse.de>
2479 PR tree-optimization/42773
2480 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2481 (compute_antic_aux): Likewise.
2482 (compute_partial_antic_aux): Likewise.
2484 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2487 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2490 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2492 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2495 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2496 Fix markup for strict argument.
2498 (TARGET_SCHED_REORDER2): Fix argument types.
2500 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2501 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2503 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2504 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2506 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2509 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2510 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2511 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2512 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2513 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2515 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2517 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2519 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2520 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
2522 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
2524 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
2527 (TARGET_ASM_NAMED_SECTION): Fix argument list.
2529 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
2530 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
2532 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
2534 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
2536 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
2537 referring to it. Fix language.
2539 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
2541 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
2543 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
2545 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
2547 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
2548 '@var{stream}. Remove stray 'and'.
2550 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
2552 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
2554 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
2556 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
2557 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
2559 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
2560 Fix description of return value.
2561 Rename argument "sz" to "len."
2563 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
2564 Clarify meaning of 'true' return value.
2566 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
2568 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2569 rep_mode versus mode_rep.
2571 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2573 (TARGET_BUILTIN_DECL): Fix name.
2575 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2577 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2579 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2581 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2583 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2585 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2588 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2589 Rename argument tm_fn to md_fn.
2591 (TARGET_OPTION_PRINT): Fix argument list.
2593 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2596 * config/i386/i386.c (ix86_fixup_binary_operands):
2597 Revert FMA4 fixup of operands.
2599 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2602 * Makefile.in (write_entries_to_file, install-plugin):
2603 Use \012 instead of \n with tr.
2605 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2607 * configure.ac (HAVE_AS_REF): New C macro.
2608 * configure: Regenerate.
2609 * config.in: Likewise.
2610 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2612 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2615 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2617 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2619 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2621 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2623 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2625 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2627 (TARGET_BINDS_LOCAL_P): Fix argument type.
2629 (TARGET_ASM_FILE_END): Use prototype.
2631 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2633 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2635 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2637 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2639 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2640 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2642 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2643 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2645 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2646 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2647 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2648 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2650 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2652 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2654 (TARGET_INIT_BUILTINS): Use prototype.
2656 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2657 Put 'const char *' in braces. Fix parameter types.
2658 (TARGET_INVALID_CONVERSION): Fix parameter types.
2659 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2660 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2662 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2665 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2667 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2669 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2671 * doc/tm.texi (TARGET_HELP): Fix return type.
2673 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2674 in braces. Fix argument types.
2676 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2678 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2680 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2682 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2683 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2685 (TARGET_MANGLE_TYPE): Fix argument types.
2687 (TARGET_IRA_COVER_CLASSES): Use prototype.
2689 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2691 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2693 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2695 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2697 (TARGET_CALLEE_COPIES): Fix argument types.
2699 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2701 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2703 (TARGET_FUNCTION_VALUE): Fix argument types.
2705 (TARGET_RETURN_IN_MSB): Fix argument type.
2707 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2709 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2711 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2713 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2714 agree with return type.
2716 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2718 2010-01-15 Jing Yu <jingyu@google.com>
2720 PR rtl-optimization/42691
2721 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2722 a pseudo to a constant and are merged, and adjust comments.
2724 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2726 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2728 2010-01-15 Richard Guenther <rguenther@suse.de>
2731 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2732 labels of computed or non-local gotos to the destination.
2733 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2734 landing pad label is the first label.
2736 2010-01-15 Richard Guenther <rguenther@suse.de>
2738 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2740 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2743 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
2744 to allow generation of the xssqrtdp instruction on power7.
2745 (sqrtdf2_fpr): Ditto.
2747 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2750 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
2751 functions with noreturn attribute.
2754 * varasm.c (declare_weak): Add weak attribute to decl if it
2755 doesn't have one already.
2756 (assemble_external): Only add decls to weak_decls if they also
2757 have weak attribute.
2759 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
2761 * var-tracking.c (var_reg_delete): Don't delete the association
2762 between REGs and values or one-part variables if the register
2765 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2768 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
2769 because its first operand is a non-localized variable.
2771 2010-01-14 Martin Jambor <mjambor@suse.cz>
2773 PR tree-optimization/42706
2774 * tree-sra.c (encountered_recursive_call): New variable.
2775 (encountered_unchangable_recursive_call): Likewise.
2776 (sra_initialize): Initialize both new variables.
2777 (callsite_has_enough_arguments_p): New function.
2778 (scan_function): Call decl and flags check only for IPA-SRA, check
2779 whether there is a recursive call and whether it has enough arguments.
2780 (all_callers_have_enough_arguments_p): New function.
2781 (convert_callers): Look for recursive calls only when
2782 encountered_recursive_call is set.
2783 (ipa_early_sra): Bail out either if
2784 !all_callers_have_enough_arguments_p or
2785 encountered_unchangable_recursive_call.
2787 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2789 * sel-sched.c: Add 2010 to copyright years.
2790 * sel-sched-ir.c: Likewise.
2791 * sel-sched-ir.h: Likewise.
2793 2010-01-14 Martin Jambor <mjambor@suse.cz>
2795 PR tree-optimization/42714
2796 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
2797 constructors specially.
2799 2010-01-14 Andi Kleen <ak@linux.intel.com>
2801 * config/i386/drivers-i386.c (detect_caches_intel):
2802 Add l2sizekb parameter and fill in.
2803 (host_detect_local_cpu): Add l2sizekb, fill in.
2804 Add Atom small cache heuristic.
2806 2010-01-14 Andi Kleen <ak@linux.intel.com>
2808 * config/i386/drivers-i386.c (detect_caches_cpuid4):
2809 Add level3 parameter and fill in.
2810 (detect_caches_intel): Handle level3 cache.
2812 2010-01-14 Andi Kleen <ak@linux.intel.com>
2814 * config/i386/drivers-i386.c (host_detect_local_cpu):
2815 Fix core duo detection.
2817 2010-01-14 Andi Kleen <ak@linux.intel.com>
2819 * config/i386/drivers-i386.c (host_detect_local_cpu):
2822 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2824 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
2825 (rs6000_variable_issue_1): this. Use...
2826 (rs6000_variable_issue): here. Reimplement. Print debug info.
2828 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2830 * sel-sched-ir.c (sel_restore_other_notes): Rename to
2831 sel_restore_notes. Update all callers. Call reemit_notes
2834 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2836 PR rtl-optimization/42246
2837 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
2840 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2842 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
2843 all successors is the same as number of successors in current region.
2845 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2847 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
2848 to rename is not separable. Otherwise check that its LHS is not NULL.
2850 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2852 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
2854 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2856 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
2857 available registers when failed to discover LHS register class.
2858 Fix indentation. Update comment.
2860 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2861 Alexander Monakov <amonakov@ispras.ru>
2863 PR rtl-optimization/42389
2864 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
2866 (advance_state_on_fence): Likewise.
2867 (sel_target_adjust_priority): Print debug output only when
2868 sched_verbose >= 4, not 2.
2869 (get_expr_cost): Do not issue all unique insns on the next cycle.
2870 (fill_insns): Initialize can_issue_more from the value saved
2872 * sel-sched-ir.c (flist_add): New parameter issue_more.
2873 Init FENCE_ISSUE_MORE with it.
2874 (merge_fences): Likewise.
2875 (init_fences): Update call to flist_add.
2876 (add_to_fences, add_clean_fence_to_fences)
2877 (add_dirty_fence_to_fences): Likewise.
2878 (move_fence_to_fences): Update call to merge_fences.
2879 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
2881 * sel-sched-ir.h (struct _fence): New field issue_more.
2882 (FENCE_ISSUE_MORE): New accessor macro.
2884 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2886 PR rtl-optimization/42388
2887 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
2888 that have no predecessors nor successors. Do not call move_bb_info
2889 for empty blocks outside of current region.
2891 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2893 PR rtl-optimization/42294
2894 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
2895 * sel-sched.c (move_exprs_to_boundary): Transitively add all
2896 originators' originators.
2898 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2900 PR rtl-optimization/39453
2901 PR rtl-optimization/42246
2902 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
2904 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
2906 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2907 Alexander Monakov <amonakov@ispras.ru>
2910 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
2911 (maybe_tidy_empty_bb): ... here. Make static. Add new
2912 argument. Update all callers.
2913 (tidy_control_flow): ... and here. Recompute topological order
2914 of basic blocks in region if necessary.
2915 (sel_redirect_edge_and_branch): Change return type. Return true
2916 if topological order might have been invalidated.
2917 (purge_empty_blocks): Export and move from...
2918 * sel-sched.c (purge_empty_blocks): ... here.
2919 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
2920 (maybe_tidy_empty_bb): Delete prototype.
2921 (purge_empty_blocks): Declare.
2923 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2925 PR rtl-optimization/42249
2926 * sel-sched.c (try_replace_dest_reg): When chosen register
2927 and original register is the same, do not bail out early, but
2928 still check all original insns for validity of replacing destination
2929 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
2932 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2935 Port from no-undefined-overflow branch:
2936 2009-03-09 Richard Guenther <rguenther@suse.de>
2938 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
2940 2010-01-14 Richard Guenther <rguenther@suse.de>
2943 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
2945 2010-01-14 Ira Rosen <irar@il.ibm.com>
2947 PR tree-optimization/42709
2948 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
2949 as scalar type in creation of constant vector operand.
2951 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2954 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
2955 (check-parallel-%): Match `testsuite' directory component only
2958 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
2960 PR translation/39521
2961 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
2964 2010-01-13 Richard Guenther <rguenther@suse.de>
2966 PR tree-optimization/42730
2967 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
2970 2010-01-13 Steve Ellcey <sje@cup.hp.com>
2973 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
2974 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
2977 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
2979 * config/bfin/libgcc-bfin.ver: Regenerate based on current
2980 libgcc-std.ver. Add entries for ___smulsi3_highpart and
2981 ___umulsi3_highpart.
2983 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
2984 rather than schedule_insns if the pass is enabled.
2986 2010-01-13 Martin Jambor <mjambor@suse.cz>
2988 PR tree-optimization/42704
2989 * tree-sra.c (sra_modify_assign): Do not delete assignments to
2992 2010-01-13 Martin Jambor <mjambor@suse.cz>
2994 PR tree-optimization/42703
2995 * tree-sra.c (analyze_access_subtree): Check that we can build a
2996 reference to the original data within the aggregate.
2998 2010-01-13 Richard Guenther <rguenther@suse.de>
3000 PR tree-optimization/42705
3001 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3003 2010-01-13 Richard Guenther <rguenther@suse.de>
3006 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3008 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3011 * var-tracking.c (values_to_unmark): New variable.
3012 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3013 values_to_unmark vector. Moved body to...
3014 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3015 instead queue it into values_to_unmark vector.
3016 (vt_find_locations): Free values_to_unmark vector.
3018 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3020 * config/s390/s390.c (override_options): Set
3021 default of max-pending-list-length to 256
3023 2010-01-13 Richard Guenther <rguenther@suse.de>
3026 * tree-pass.h (PROP_gimple_lcx): New.
3027 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3028 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3029 before the final cleanup_eh.
3030 (dump_properties): Dump PROP_gimple_lcx.
3031 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3032 (tree_lower_complex_O0): Remove.
3033 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3034 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3035 tree_lower_complex, schedule TODO_update_ssa.
3036 * lto-streamer-out.c (output_function): Stream the functions
3038 * lto-streamer-in.c (input_function): Likewise.
3039 (lto_read_body): Do not override them here.
3041 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3044 * c-typeck.c (build_c_cast): Fold value cast to union type before
3045 wrapping it in a CONSTRUCTOR.
3047 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3049 PR rtl-optimization/42699
3050 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3053 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3055 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3056 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3057 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3058 SUBTARGET_WARN_UNUSED_SPEC): ... here
3059 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3061 2010-01-12 Julian Brown <julian@codesourcery.com>
3063 * config/arm/neon-schedgen.ml (Utils): Don't try to
3064 open missing module.
3065 (find_with_result): New.
3067 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3070 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3071 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3073 PR tree-optimization/42645
3074 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3075 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3076 decl_map, set processing_debug_stmt to -1 and return name without
3079 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3081 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3082 binutils version, and reword target configuration description.
3084 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3086 * config/avr/avr.h (LINKER_NAME): Remove.
3088 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3091 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3092 that support VSX, warn for -mno-altivec if vsx is not disabled,
3095 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3096 Shujing Zhao <pearly.zhao@oracle.com>
3098 PR translation/42469
3099 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3100 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3101 character between option name and help text.
3102 * c.opt (imultilib): Likewise.
3104 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3106 * lto-streamer-out.c (output_unreferenced_globals): Output static
3109 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3111 PR rtl-optimization/42621
3112 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3113 optimizing for size.
3114 (duplicate_computed_gotos): Remove now-redundant check.
3116 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3119 * configure.ac: Save and restore LDFLAGS and LIBS
3120 * configure: Regenerate.
3122 2010-01-10 Richard Guenther <rguenther@suse.de>
3125 * builtins.c (fold_builtin_strlen): Add type argument and
3126 convert the resulting length to it.
3127 (fold_builtin_1): Adjust.
3129 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3131 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3132 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3134 (num_insns_constant_wide): Adjust for that change.
3136 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3139 * web.c (union_defs): Add used argument, to combine uses of
3141 (entry_register): Adjust type and tests of used argument.
3142 (web_main): Widen used for new use. Pass it to union_defs.
3143 * df.h (union_defs): Adjust prototype.
3145 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3148 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3149 uses in new incoming argument. Free body.
3150 (reset_debug_uses_in_loop): New.
3151 (analyze_insn_to_expand_var): Call the latter if the former found
3152 anything. Fix whitespace. Reject invalid dest overlaps before
3153 going through all insns in the loop.
3155 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3158 * haifa-sched.c (dying_use_p): Debug insns don't count.
3160 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3163 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3164 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3165 (verify_gimple_call): Reject LHS in noreturn calls.
3167 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3171 * tree-vect-loop-manip.c (adjust_info): New type.
3172 (adjust_vec): New pointer to vector.
3173 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3174 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3175 (slpeel_update_phis_for_duplicate_loop): Use them.
3176 (slpeel_update_phi_nodes_for_guard1): Likewise.
3177 (slpeel_update_phi_nodes_for_guard2): Likewise.
3178 (slpeel_tree_peel_loop_to_edge): Likewise.
3179 (vect_update_ivs_after_vectorizer): Likewise.
3181 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3183 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3184 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3186 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3188 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3189 bogus uninitialized warning.
3191 2010-01-09 Richard Guenther <rguenther@suse.de>
3194 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3195 the evolution is compatible with the initial condition.
3197 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3199 * gcc.c (process_command): Update copyright notice dates.
3200 * gcov.c (print_version): Likewise.
3201 * gcov-dump.c (print_version): Likewise.
3202 * mips-tfile.c (main): Likewise.
3203 * mips-tdump.c (main): Likewise.
3205 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3208 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3210 (rotlhi3_8): Delete.
3212 (rotlsi3_8): Delete.
3213 (rotlsi3_16): Delete.
3214 (rotlsi3_24): Delete.
3216 (*rotw<mode>3): New.
3217 (*rotb<mode>3): New.
3218 * config/avr/avr.c (avr_rotate_bytes): New function.
3219 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3221 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3224 * configure.ac: Modify -rdynamic check.
3225 * configure: Regenerate.
3227 2010-01-08 DJ Delorie <dj@redhat.com>
3229 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3230 register popping order.
3232 2010-01-08 Richard Guenther <rguenther@suse.de>
3235 * c.opt (fsigned-char): Also let LTO handle this option.
3236 (funsigned-char): Likewise.
3238 2010-01-07 Richard Guenther <rguenther@suse.de>
3240 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3241 (gimple_op): Likewise.
3242 (gimple_op_ptr): Likewise.
3243 (gimple_assign_set_lhs): Remove gcc_assert.
3244 (gimple_assign_set_rhs1): Likewise.
3245 (gimple_assign_set_rhs2): Likewise.
3246 (gimple_call_set_lhs): Likewise.
3247 (gimple_call_set_fn): Likewise.
3248 (gimple_call_set_fndecl): Likewise.
3249 (gimple_call_fndecl): Likewise.
3250 (gimple_call_return_type): Likewise.
3251 (gimple_call_set_chain): Likewise.
3252 (gimple_call_num_args): Likewise.
3253 (gimple_call_set_arg): Likewise.
3254 (gimple_cond_set_code): Likewise.
3255 (gimple_cond_set_lhs): Likewise.
3256 (gimple_cond_set_rhs): Likewise.
3257 (gimple_cond_set_true_label): Likewise.
3258 (gimple_cond_set_false_label): Likewise.
3259 (gimple_label_set_label): Likewise.
3260 (gimple_goto_set_dest): Likewise.
3261 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3262 (gimple_debug_bind_get_value): Likewise.
3263 (gimple_debug_bind_get_value_ptr): Likewise.
3264 (gimple_debug_bind_set_var): Likewise.
3265 (gimple_debug_bind_set_value): Likewise.
3266 (gimple_debug_bind_reset_value): Likewise.
3267 (gimple_debug_bind_has_value_p): Likewise.
3268 (gimple_return_retval_ptr): Remove gcc_assert.
3269 (gimple_return_retval): Likewise.
3270 (gimple_return_set_retval): Likewise.
3271 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3272 (safe_referenced_var_iterator): Remove.
3273 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3274 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3275 (fill_referenced_var_vec): Remove.
3276 (first_readonly_imm_use): Remove redundant gcc_assert.
3277 (phi_arg_index_from_use): Combine gcc_asserts.
3278 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3279 (first_imm_use_stmt): Remove redundant gcc_assert.
3280 * tree-cfg.c (verify_gimple_call): Verify function and chain
3281 operands. Verify arguments.
3282 (verify_types_in_gimple_stmt): Verify condition code and labels.
3284 2010-01-07 Richard Guenther <rguenther@suse.de>
3286 PR tree-optimization/42641
3287 * sese.c (rename_map_elt_info): Use the SSA name version, do
3290 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3292 PR tree-optimization/42625
3293 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3294 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3296 2010-01-07 Duncan Sands <baldrick@free.fr>
3298 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3300 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3303 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3304 note itself is not function_invariant_p.
3306 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3308 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3309 Do not add the DF_NOTE problem.
3310 * store-motion.c (execute_rtl_store_motion): Likewise.
3312 2010-01-07 Martin Jambor <mjambor@suse.cz>
3314 PR tree-optimization/42157
3315 * tree-sra.c (compare_access_positions): Stabilize sort if both
3316 accesses have integer types, return zero immediately if they are the
3319 2010-01-06 Richard Henderson <rth@redhat.com>
3322 * haifa-sched.c (add_to_note_list): Merge into ...
3323 (concat_note_lists): ... here, and ...
3324 (unlink_other_notes, rm_other_notes): Merge into...
3325 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3326 NOTE_INSN_EPILOGUE_BEG.
3328 2010-01-06 Richard Guenther <rguenther@suse.de>
3330 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3331 not inline regular functions into always-inline functions.
3333 2010-01-06 Nick Clifton <nickc@redhat.com>
3335 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3336 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3338 (OVERRIDE_OPTIONS): Delete.
3339 (OPTIMIZATION_OPTIONS): Define.
3340 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3341 * config/rx/rx.c (rx_handle_option): Issue an error message if
3342 -mcpu=rx200 and -fpu are used together.
3343 (rx_set_optimization_options): New function. Issue an error
3344 message if an optimization attribute attempts to reset the FPU/
3345 math optimization pairing.
3346 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3347 * config/rx/rx.opt: Set the default to 32-bit doubles.
3348 * config/rx/t-rx: Add multilibs for -nofpu option.
3349 * doc/invoke.texi: Update documentation of RX options.
3351 2010-01-06 Richard Guenther <rguenther@suse.de>
3353 * tree-ssa-pre.c (name_to_id): New global.
3354 (alloc_expression_id): Simplify SSA name handling.
3355 (lookup_expression_id): Likewise.
3356 (init_pre): Zero name_to_id.
3357 (fini_pre): Free it.
3359 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3361 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3363 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3366 * config/i386/sse.md (smaxv2di3): New.
3367 (umaxv2di3): Likewise.
3368 (sminv2di3): Likewise.
3369 (uminv2di3): Likewise.
3371 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3374 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3375 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3376 (legitimize_tls_address): Likewise.
3377 (sparc_tls_referenced_p): Likewise.
3378 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3379 and adjust calls to legitimize_pic_address.
3380 (legitimate_constant_p) Use sparc_tls_referenced_p.
3381 (legitimate_pic_operand_p): Likewise.
3382 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3383 (sparc_tls_symbol_ref_1): Delete.
3384 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3385 (legitimize_tls_address): Make static, handle CONST patterns.
3386 (legitimize_pic_address): Make static, remove unused parameter and
3387 adjust recursive calls.
3388 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3389 and adjust call to legitimize_pic_address.
3390 (sparc_output_mi_thunk): Likewise.
3392 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3393 H.J. Lu <hongjiu.lu@intel.com>
3396 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3397 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3398 operands to make them signed.
3401 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3404 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3405 GTU to GT for V4SI and V2DI.
3407 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3408 (umin<mode>3): Removed.
3410 (uminv4si3): Likewise.
3412 2010-01-05 Martin Jambor <mjambor@suse.cz>
3414 PR tree-optimization/42462
3415 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3416 current_function_decl to helper functions and macros.
3418 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3421 * flags.h: Don't include real.h.
3422 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3423 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3424 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3425 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3426 * dominance.c: Update copyright.
3427 * gimple.c (walk_gimple_op): Remove inline.
3428 * tree-ssa-reassoc.c: Include real.h.
3429 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3430 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3432 2010-01-05 Nick Clifton <nickc@redhat.com>
3434 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3435 register to push into the stack frame when the accumulator has to
3436 be saved during interrupts.
3438 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3440 * doc/invoke.texi: Remove the documentation about option
3442 * common.opt (Wunreachable-code): Preserved for backward
3444 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3445 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3446 the backward compatibility flag section.
3448 2010-01-05 Richard Guenther <rguenther@suse.de>
3450 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3452 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3455 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3457 PR tree-optimization/42508
3458 * tree-sra.c (convert_callers): Check for recursive call
3459 by comparing cgraph nodes instead of decls.
3460 (modify_function): Call ipa_modify_formal_parameters also
3461 on all same_body aliases.
3463 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3464 cgraph nodes when checking for same_body aliases.
3466 2010-01-05 Richard Guenther <rguenther@suse.de>
3468 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3469 allocation and lookup.
3470 (get_or_alloc_expr_for_constant): Likewise.
3471 (phi_translate): Sink allocation.
3473 2010-01-04 Richard Guenther <rguenther@suse.de>
3475 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3476 a new entry only if needed.
3477 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3478 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3480 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3482 (phi_translate): Handle CONSTANTs early.
3484 2010-01-04 Martin Jambor <mjambor@suse.cz>
3486 PR tree-optimization/42398
3487 * tree-sra.c (struct access): Removed flag grp_different_types.
3488 (dump_access): Do not dump the removed flag.
3489 (sort_and_splice_var_accesses): Do not set the removed flag.
3490 (sra_modify_expr): Check for type compatibility directly.
3492 2010-01-04 Martin Jambor <mjambor@suse.cz>
3494 PR tree-optimization/42366
3495 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3496 edges with variable number of parameters.
3497 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3498 flag instead of asserting it.
3499 (ipa_read_node_info): Read uses_analysis_done flag.
3501 2010-01-04 Richard Guenther <rguenther@suse.de>
3503 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3504 iterative_hash_* as intended.
3505 (vn_reference_compute_hash): Likewise. Simplify hashing
3507 (vn_reference_lookup_2): Likewise.
3508 (vn_nary_op_compute_hash): Likewise.
3509 (vn_phi_compute_hash): Likewise.
3510 (expressions_equal_p): Remove strange code.
3511 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3512 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3513 (bitmap_insert_into_set_1): Take value-id as parameter.
3514 (add_to_value): Pass it.
3515 (bitmap_insert_into_set): Likewise.
3516 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3518 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3521 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
3522 (do_self_spec): For switches with SWITCH_IGNORE set set also
3523 SWITCH_IGNORE_PERMANENTLY.
3524 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
3527 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
3529 * lto-streamer-out.c (output_unreferenced_globals): Output the full
3530 tree of an unreferenced global var.
3532 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3535 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3536 GTU to GT for V4SI and V2DI.
3538 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3539 (umin<mode>3): Removed.
3541 (uminv4si3): Likewise.
3543 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3546 * collect2.c (main): Turn on trace in collect2 if -v is passed
3549 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
3551 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
3552 description of expression operand.
3554 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
3556 * configure.ac: Add install-html to target_list for Make-hooks.
3557 * configure: Regenerate.
3558 * fortran/Make-lang.in (F95_HTMLFILES): New.
3559 (fortran.html): Use it.
3560 (fortran.install-html): New.
3561 * Makefile.in (install-html): Add lang.install-html.
3562 * java/Make-lang.in (JAVA_HTMLFILES): New.
3563 (java.html): Use it.
3564 (java.install-html): New.
3565 * objc/Make-lang.in (objc.install-html): New.
3566 * objcp/Make-lang.in (obj-c++.install-html): New.
3567 * cp/Make-lang.in (c++.install-html): New.
3568 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3569 * lto/Make-lang.in (lto.install-html): New.
3571 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3574 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3576 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3578 PR rtl-optimization/41862
3579 * store-motion.c (store_killed_in_insn, compute_store_table,
3580 remove_reachable_equiv_notes, replace_store_insn,
3581 build_store_vectors): Ignore all DEBUG_INSNs.
3583 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3586 * common.opt: Add dumpdir.
3588 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3590 (option_map): Add --dumpdir.
3592 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3594 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3596 * opts.c (decode_options): Try dump_dir_name first if
3597 dump_base_name isn't an absolute path.
3598 (common_handle_option): Handle OPT_dumpdir.
3600 * toplev.c (dump_dir_name): New.
3601 (print_switch_values): Also ignore -dumpdir.
3603 * toplev.h (dump_dir_name): New.
3605 2010-01-03 Richard Guenther <rguenther@suse.de>
3607 PR tree-optimization/42589
3608 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3609 double-word expansion of bswap32.
3611 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3613 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3614 with BLOCK_FOR_INSN.
3615 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3616 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3617 noce_process_if_block): Likewise.
3618 * gcse.c (compute_local_properties, insert_expr_in_table,
3619 insert_set_in_table, canon_list_insert, find_avail_set,
3620 pre_insert_copy_insn): Likewise.
3622 * basic-block.h (BLOCK_NUM): Move from here...
3623 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3625 2010-01-03 Richard Guenther <rguenther@suse.de>
3627 PR tree-optimization/42438
3628 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3629 contains_may_not_return_call flag.
3630 (BB_MAY_NOTRETURN): New.
3631 (valid_in_sets): Trapping nary operations are not valid
3632 in blocks that may not return.
3633 (insert_into_preds_of_block): Remove check for trapping expressions.
3634 (compute_avail): Compute also BB_MAY_NOTRETURN.
3636 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3638 * doc/invoke.texi: Add 2010 to copyright years.
3640 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3642 * config/sparc/sparc.c: Fix formatting nits.
3644 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3645 Alexander Monakov <amonakov@ispras.ru>
3647 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3649 2010-01-02 Richard Guenther <rguenther@suse.de>
3652 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3653 (simplify_switch_using_ranges): Mark to be removed edges
3656 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3658 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3660 * collect2.c (scan_libraries): Add missing argument in call to
3663 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3666 * config/alpha/predicates.md (aligned_memory_operand): Return false
3668 (unaligned_memory_operand): Return true for CQImode.
3669 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3670 doesn not cross aligned SImode word boundary.
3672 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3674 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3676 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3677 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3679 2010-01-02 Richard Guenther <rguenther@suse.de>
3682 * toplev.c (compile_file): Emit LTO marker properly. Change
3684 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3686 2010-01-01 Richard Guenther <rguenther@suse.de>
3689 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3691 2010-01-01 Richard Guenther <rguenther@suse.de>
3694 * c-decl.c (grokdeclarator): For zero-size arrays force
3695 structural equality checks as layout_type does.
3697 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3699 * builtins.c: Update copyright to 2010.
3701 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3704 * lto-streamer-out.c (produce_asm): Revert the last change.
3705 (copy_function): Likewise.
3707 * lto-streamer.c (lto_get_section_name): Skip any leading
3710 2010-01-01 Richard Guenther <rguenther@suse.de>
3713 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3717 Copyright (C) 2010 Free Software Foundation, Inc.
3719 Copying and distribution of this file, with or without modification,
3720 are permitted in any medium without royalty provided the copyright
3721 notice and this notice are preserved.