1 2010-03-15 Chris Demetriou <cgd@google.com>
3 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
6 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
9 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
10 call insert_out_of_ssa_copy for default definitions.
12 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
14 * graphite-clast-to-gimple.c (my_long_long): Defined.
15 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
16 * graphite-sese-to-poly.c (my_long_long): Defined.
17 (scop_ivs_can_be_represented): Use it.
19 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
21 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
22 graphite-max-bbs-per-function, and loop-block-tile-size.
23 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
25 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
27 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
29 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
31 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
32 (add_upper_bounds_from_estimated_nit): New.
33 (build_loop_iteration_domains): Use it.
35 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
37 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
39 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
42 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
43 should be an INTEGER_CST. Also handle CASE_CONVERT.
45 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
47 * graphite.c (graphite_initialize): To bound the number of bbs per
48 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
49 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
50 * doc/invoke.texi: Document it.
52 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
54 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
55 * graphite-sese-to-poly.h (build_poly_scop): Same.
57 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
59 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
60 the number of parameters in the scop. Use as an upper bound
61 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
62 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
63 * doc/invoke.texi: Document it.
65 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
67 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
68 * doc/c-tree.texi: Remove.
69 * doc/generic.texi: Merge c-tree.texi here.
70 * doc/gccint.texi (Trees): Remove menu entry.
71 (c-tree.texi): Remove @include.
72 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
73 * doc/languages.texi (Reading RTL): Ditto.
75 2010-03-12 Steve Ellcey <sje@cup.hp.com>
78 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
80 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
83 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
84 code added to work around reload clobbering CONST insns.
86 2010-03-12 Jakub Jelinek <jakub@redhat.com>
88 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
89 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
90 (cselib_preserve_only_values): Remove retain argument, don't
91 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
92 * cselib.h (cselib_preserve_only_values): Remove retain argument.
93 * var-tracking.c (micro_operation): Move insn field before union.
94 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
95 (struct variable_tracking_info_def): Remove n_mos field, change
96 mos into a vector of micro_operations.
97 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
98 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
99 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
100 changing into a vector.
101 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
102 come before all other uops generated by add_stores.
103 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
105 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
106 a vector. Run just one pass over the bbs instead of separate counting
107 and computation phase.
108 (vt_finalize): Free VTI (bb)->mos vector instead of array.
111 * tree-inline.c (remap_decls): Put old_var rather than origin_var
112 into *nonlocalized_list vector.
113 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
114 even if origin is non-NULL.
115 (gen_variable_die): Likewise.
116 (process_scope_var): Don't change origin.
117 (gen_decl_die): Likewise.
118 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
119 before adding new edges instead of after it, fix moving over
122 2010-03-11 David S. Miller <davem@davemloft.net>
124 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
126 * configure: Rebuild.
128 2010-03-11 Martin Jambor <mjambor@suse.cz>
130 PR tree-optimization/43257
131 * tree.c (assign_assembler_name_if_neeeded): New function.
132 (free_lang_data_in_cgraph): Assembler name assignment moved to the
134 * tree.h (assign_assembler_name_if_neeeded): Declare.
135 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
136 the function if needed.
138 2010-03-11 Chris Demetriou <cgd@google.com>
140 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
141 include/stdint-gcc.h, and include/stdint.h world-readable.
143 2010-03-11 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/43255
146 * tree-vrp.c (process_assert_insertions_for): Do not insert
147 asserts for trivial conditions.
149 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
151 PR tree-optimization/43280
152 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
153 generation. Move calculation of size out of the if branch.
154 (find_bswap): Modify compare number generation.
156 2010-03-11 Richard Guenther <rguenther@suse.de>
159 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
160 (input_gimple_stmt): Fixup handled component types during
161 operand read. Also fix up decls in ADDR_EXPRs.
163 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
165 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
166 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
168 2010-03-10 Jan Hubicka <jh@suse.cz>
171 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
172 * varasm.c (get_variable_section): Don't do that here...
173 (make_decl_rtl): ... and here.
174 (do_assemble_alias): Produce decl RTL.
175 (assemble_alias): Likewise.
177 2010-03-10 Jakub Jelinek <jakub@redhat.com>
180 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
181 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
183 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
184 (based_loc_descr): Only express drap or vdrap regno based expressions
185 using DW_OP_fbreg when not optimizing.
186 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
187 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
188 REG_CFA_SET_VDRAP note.
190 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
192 PR tree-optimization/43236
193 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
194 error in calculation of base address in reverse iteration case.
195 (generate_builtin): Take number of latch executions if the statement
198 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
201 * tree-eh.c: Include pointer-set.h.
202 (lower_eh_dispatch): Filter out duplicate case labels and
203 remove the unneeded edge when the label is unused. Return
204 true when some edges are removed.
205 (execute_lower_eh_dispatch): When any lowering resulted in
206 removing an edge, also delete unreachable blocks.
208 2010-03-10 Jakub Jelinek <jakub@redhat.com>
211 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
212 UNSPEC_MACHOPIC_OFFSET.
214 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
217 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
218 (m68k_delegitimize_address): New function.
220 2010-03-09 Jakub Jelinek <jakub@redhat.com>
223 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
226 * var-tracking.c (adjust_sets): New function.
227 (count_with_sets, add_with_sets): Use it.
228 (get_adjusted_src): New inline function.
229 (add_stores): Use it.
232 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
233 call cselib_dummy_expand_value_rtx_cb instead of
234 cselib_expand_value_rtx_cb.
237 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
238 * config/i386/i386.c: Include debug.h and dwarf2out.h.
239 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
240 and .cfi_endproc around the pic thunks.
241 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
242 all queued unwind info register saves are saved before the call.
243 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
244 considered as sp-=4 for unwind info and the pop as sp+=4 which
245 also clobbers dest, but doesn't actually restore it.
248 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
251 2010-03-09 Jie Zhang <jie@codesourcery.com>
253 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
254 whitespaces in output template.
256 2010-03-09 Jie Zhang <jie@codesourcery.com>
258 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
261 2010-03-08 Jakub Jelinek <jakub@redhat.com>
263 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
264 builtins.exp in a separate job.
266 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
268 * graphite-sese-to-poly.c (add_param_constraints): Use
269 lower_bound_in_type and upper_bound_in_type.
271 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
273 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
274 instead of unsigned_type_node.
276 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
277 Reza Yazdani <reza.yazdani@amd.com>
280 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
281 on pointer type parameters.
283 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
287 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
288 handle conversions from pointer to integers.
289 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
290 induction variable, to be able to work with code generated by CLooG.
291 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
292 (build_poly_scop): Bail out if we cannot codegen a loop.
294 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
296 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
297 code generation with gloog_error.
299 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
301 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
302 Call fold_convert on all the returned values.
303 (expand_scalar_variables_expr): Pass to
304 expand_scalar_variables_ssa_name the type of the resulting expression.
306 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
308 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
309 ppl_min_for_le_pointset.
310 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
311 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
313 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
315 * graphite-dependences.c (map_into_dep_poly): Removed.
316 (dependence_polyhedron_1): Use combine_context_id_scat.
318 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
320 * graphite-poly.h (struct poly_scattering): Add layout documentation.
321 (struct poly_bb): Same.
322 (combine_context_id_scat): New.
324 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
327 * sese.c (name_defined_in_loop_p): Return false for default
330 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
332 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
333 and clean up the logic.
335 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
337 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
340 2010-03-08 Jakub Jelinek <jakub@redhat.com>
342 * var-tracking.c (remove_cselib_value_chains): Define only for
344 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
345 delete_slot_part, emit_notes_for_differences_1): Don't call
346 remove_cselib_value_chains here.
347 (set_slot_part, emit_notes_for_differences_2): Don't call
348 add_cselib_value_chains here.
349 (preserved_values): New vector.
350 (preserve_value): New function.
351 (add_uses, add_stores, vt_add_function_parameters): Use it
352 instead of cselib_preserve_value.
353 (changed_values_stack): New vector.
354 (check_changed_vars_0): New function.
355 (check_changed_vars_1, check_changed_vars_2): Use it.
356 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
357 changed_values_stack VALUEs.
358 (vt_emit_notes): For all preserved_values call
359 add_cselib_value_chains. If ENABLE_CHECKING call
360 remove_cselib_value_chains before verifying value_chains is empty.
361 Initialize and free changed_values_stack.
362 (vt_initialize): Initialize preserved_values.
363 (vt_finalize): Free preserved_values.
365 2010-03-08 Richard Guenther <rguenther@suse.de>
367 PR tree-optimization/43269
368 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
371 2010-03-08 Martin Jambor <mjambor@suse.cz>
373 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
374 (ipa_is_param_called): Removed.
375 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
376 (ipa_print_node_params): Do not print the called flag.
377 (ipa_write_node_info): Do not stream the called flag.
378 (ipa_read_node_info): Likewise.
380 2010-03-07 Jakub Jelinek <jakub@redhat.com>
383 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
384 * cselib.c (struct expand_value_data): Add dummy field.
385 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
387 (cselib_dummy_expand_value_rtx_cb): New function.
388 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
390 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
391 * var-tracking.c: Include pointer-set.h.
392 (variable): Change n_var_parts to char from int. Add
393 cur_loc_changed and in_changed_variables fields.
394 (variable_canonicalize): Remove.
395 (shared_var_p): New inline function.
396 (unshare_variable): Maintain cur_loc_changed and
397 in_changed_variables fields. If var was in changed_variables,
398 replace it there with new_var. Just copy cur_loc instead of
399 resetting it to something else.
400 (variable_union): Don't recompute cur_loc. Use shared_var_p.
401 (dataflow_set_union): Don't call variable_canonicalize.
402 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
403 of their DEBUG_EXPR_TREE_DECLs.
404 (canonicalize_loc_order_check): Verify that cur_loc is NULL
405 and in_changed_variables and cur_loc_changed is false.
406 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
407 and cur_loc_changed. Don't update cur_loc here.
408 (variable_merge_over_src): Don't call variable_canonicalize.
409 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
410 removing loc that is equal to cur_loc, clear cur_loc,
411 set cur_loc_changed and ensure variable_was_changed is called.
412 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
413 compare pointers in cur_loc check, if it is equal to loc,
414 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
415 (variable_different_p): Remove compare_current_location argument,
416 don't compare cur_loc.
417 (dataflow_set_different_1): Adjust variable_different_p caller.
418 (variable_was_changed): If dv had some var in changed_variables
419 already, reset in_changed_variables flag for it and propagate
420 cur_loc_changed over to the new variable. On empty var
421 always set cur_loc_changed. Set in_changed_variables on whatever
422 var is added to changed_variables.
423 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
424 Use shared_var_p. When removing loc that is equal to cur_loc,
425 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
426 end, don't set it to something else, just call variable_was_changed.
427 (delete_slot_part): Use shared_var_p. When cur_loc equals to
428 loc being removed, clear cur_loc and set cur_loc_changed.
429 Set cur_loc_changed if all locations have been removed.
430 (struct expand_loc_callback_data): New type.
431 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
432 allocated. Always create SUBREGs if simplify_subreg failed.
433 Prefer to use cur_loc, when that fails and still in
434 changed_variables (and seen first time) recompute it. Set
435 cur_loc_changed of variables which had to change cur_loc and
436 compute elcd->cur_loc_changed if any of the subexpressions used
437 had to change cur_loc.
438 (vt_expand_loc): Adjust to pass arguments in
439 expand_loc_callback_data structure.
440 (vt_expand_loc_dummy): New function.
441 (emitted_notes): New variable.
442 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
443 that weren't used for any other decl in current
444 emit_notes_for_changes call call vt_expand_loc_dummy to update
445 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
446 first loc_chain location if NULL before. Always use just
447 cur_loc instead of first loc_chain location. When cur_loc_changed
448 is false, when not --enable-checking=rtl just don't emit any note.
449 When rtl checking, compute the note and assert it is the same
450 as previous note. Clear cur_loc_changed and in_changed_variables
451 at the end before removing from changed_variables.
452 (check_changed_vars_3): New function.
453 (emit_notes_for_changes): Traverse changed_vars to call
454 check_changed_vars_3 on each changed var.
455 (emit_notes_for_differences_1): Clear cur_loc_changed and
456 in_changed_variables. Recompute cur_loc of new_var.
457 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
458 (vt_emit_notes): Initialize and destroy emitted_notes.
460 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
462 PR rtl-optimization/42220
463 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
464 Use verify_reg_tracked to determine if we should use OP_OUT rather
466 (build_def_use): If we see an in-out operand for a register that we
467 know nothing about, treat is an output if possible, fail the block if
470 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
473 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
476 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
479 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
480 uses of relevant DEFs that are dead outside the loop too.
482 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
484 * var-tracking.c (dataflow_set_merge): Swap src and src2.
486 2010-01-13 Jakub Jelinek <jakub@redhat.com>
488 * var-tracking.c (values_to_unmark): New variable.
489 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
490 values_to_unmark vector. Moved body to...
491 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
492 instead queue it into values_to_unmark vector.
493 (vt_find_locations): Free values_to_unmark vector.
495 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
497 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
498 (site.exp): Export them when plugins are enabled.
500 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
503 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
505 (chrec_fold_multiply): Same.
507 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
510 * c-decl.c (build_compound_literal): Return early if init is
513 2010-03-04 Martin Jambor <mjambor@suse.cz>
515 PR tree-optimization/43164
516 PR tree-optimization/43191
517 * tree-sra.c (type_consists_of_records_p): Reject records with
518 zero-size bit-fields at the end.
520 2010-03-04 Mike Stump <mikestump@comcast.net>
522 * Makefile.in (TAGS): Remove *.y.
524 2010-03-04 Richard Guenther <rguenther@suse.de>
526 PR tree-optimization/40761
527 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
529 (my_rev_post_order_compute): New function.
532 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
535 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
536 decrease the cost of an IV candidate when the cost is infinite.
538 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
540 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
541 Use '3DNow!' for the extension of that name, ensure normal space
543 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
545 2010-03-03 Jeff Law <law@redhat.com>
547 * PR middle-end/32693
548 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
550 (extract_bit_field_1): Likewise.
552 2010-03-03 Janis Johnson <janis187@us.ibm.com>
554 * doc/sourcebuild.texi (Test directives): Document that arguments
555 include-opts and exclude-opts are now optional for dg-skip-if,
556 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
558 2010-03-03 Jason Merrill <jason@redhat.com>
561 * cgraph.h (varpool_node): Add extra_name field.
562 * varpool.c (varpool_extra_name_alias): New.
563 (varpool_assemble_decl): Emit extra name aliases.
564 (varpool_mark_needed_node): Look past an extra name alias.
565 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
566 * lto-streamer-in.c (lto_input_tree): Read it.
567 * lto-streamer-out.c (output_unreferenced_globals): Write it.
569 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
571 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
572 (sparc*-*-solaris2*): ...this.
574 2010-03-03 Jakub Jelinek <jakub@redhat.com>
577 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
578 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
579 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
580 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
583 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
584 fallthrough to default handling, just with want_address 0 instead of 2.
585 For single element lists, add_AT_loc directly, otherwise create an
586 artificial variable DIE and stick location list to it.
589 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
590 (VAL_EXPR_HAS_REVERSE): Define.
591 (reverse_op): New function.
592 (add_stores): For reversible operations add an extra MO_VAL_USE.
594 2010-03-02 Jason Merrill <jason@redhat.com>
596 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
598 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
600 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
601 (sparc64-*-linux*): Likewise.
602 (sparc64-*-solaris2*): Include assembler files before linker ones.
603 (sparc-*-solaris2*): Simplify and reorder to match previous case.
604 * config/sparc/gas.h: Delete.
605 * config/sparc/sol2-64.h: Add copyright notice.
606 * config/sparc/sol2-gas-bi.h: Likewise.
607 * config/sparc/sol2-gld.h: Likewise.
608 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
609 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
610 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
611 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
612 (sparc_elf_asm_named_section): Rename into...
613 (sparc_solaris_elf_asm_named_section): ...this. Always define.
615 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
617 * config/alpha/alpha.c (override_options): Fix -mtune error message.
619 2010-03-02 Jeff Law <law@redhat.com>
622 * reload1.c (rtx_p, substitute_stack): Declare.
623 (substitute): Record addresses of changed rtxs.
624 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
625 Restore the original rtx when complete.
626 (reload): Free subsitute_stack when complete.
628 2010-03-02 Janis Johnson <janis187@us.ibm.com>
630 * doc/gccint.texi (menu): Add Testsuites as a chapter.
631 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
633 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
634 LTO Testing, gcov Testing, profopt Testing, compat Testing,
635 Torture Tests): Change from subsection to section.
637 2010-03-02 Jakub Jelinek <jakub@redhat.com>
638 Steven Bosscher <steven@gcc.gnu.org>
640 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
643 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
646 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
647 the assignment from the new induction variable to the assignment
648 of the value from the original loop PHI function.
650 2010-03-01 Janis Johnson <janis187@us.ibm.com>
651 Daniel Jacobowitz <dan@codesourcery.com>
653 * doc/sourcebuild.texi (Test directives): Clarify options to
656 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
658 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
659 Disable cfi directives unless GCC and gas agree on using read-only
660 .eh_frame sections for 64-bit.
661 * configure: Regenerate.
663 2010-03-01 Richard Guenther <rguenther@suse.de>
665 PR tree-optimization/43220
666 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
667 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
669 2010-03-01 Richard Guenther <rguenther@suse.de>
670 Martin Jambor <mjambor@suse.cz>
673 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
674 gimplified parameters.
676 2010-03-01 Christian Bruel <christian.bruel@st.com>
678 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
680 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
682 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
684 2010-03-01 Richard Guenther <rguenther@suse.de>
687 * expr.c (expand_assignment): Use the alias-oracle to tell
688 if the rhs aliases the result decl.
690 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
693 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
694 to sol_gt_pch_get_address.
695 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
696 64-bit, SPARC and x86.
697 (sol_gt_pch_get_address): New function.
699 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
701 * toplev.h (inform_n, error_n): Declare.
702 * diagnostic.c (inform_n, error_n): New function.
704 2010-03-01 Jakub Jelinek <jakub@redhat.com>
706 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
707 has no rtl yet when processing local_decls, queue it and recheck
708 if deferred stack allocation hasn't assigned it rtl.
710 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
712 * config/sh/sh.c (unspec_bbr_uid): New.
713 (gen_block_redirect): Use it instead of INSN_UID.
714 (gen_far_branch): Likewise.
716 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
718 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
719 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
721 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
723 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
724 (Warning Options): -Wno-conversion-null is valid for
725 Objective-C++ as well.
726 * doc/tm.texi (Named Address Spaces): Likewise.
727 * doc/plugins.texi (Plugins): Replace TABs with spaces.
728 * doc/tree-ssa.texi (Tree SSA): Likewise.
730 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
733 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
734 by default. Don't set the default arch for
735 i[34567]86-*-darwin*|x86_64-*-darwin*.
737 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
740 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
741 default. Set the default 32bit/64bit archs with $with_arch
742 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
744 2010-02-27 Richard Guenther <rguenther@suse.de>
746 PR tree-optimization/43186
747 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
748 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
749 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
752 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
754 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
755 required and i[34567]86-*-* targets don't support 64bit ISA.
757 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
760 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
763 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
765 * config.gcc: Set the default arch at least to Prescott for
766 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
767 if SSE math is enabled.
769 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
771 * diagnostic.c (diagnostic_initialize): Update.
772 (diagnostic_report_diagnostic): Test inhibit_notes_p for
774 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
775 (diagnostic_inhibit_notes): New.
776 * toplev.c (process_options): inhibit notes with -fcompare-debug.
778 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
781 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
782 * doc/standards.texi: Likewise.
783 * doc/extend.texi: Likewise.
784 * doc/trouble.texi: Likewise.
785 * doc/cppopts.texi: Likewise.
786 * doc/install.texi: Likewise.
787 * c.opt (std=c90,std=gnu90): New options.
788 * c-opts.c (c_common_handle_option): Handle them.
790 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
793 * c-decl.c (undeclared_variable): Use an informative note.
795 2010-02-26 Richard Guenther <rguenther@suse.de>
797 PR tree-optimization/43186
798 * gimple.h (gimple_fold): Remove.
799 * gimple.c (gimple_fold): Remove. Inline into single user ...
800 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
801 Try harder for conditions.
803 2010-02-26 Jakub Jelinek <jakub@redhat.com>
806 * function.c (used_types_insert): Don't skip through named pointer
807 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
808 and it is different from the main variant's type.
810 2010-02-26 Nick Clifton <nickc@redhat.com>
812 * config/rx/rx.md (sminsi3): Remove bogus alternative.
814 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
816 * config.gcc: Support --with-fpmath=sse for x86.
818 * config/i386/ssemath.h: New.
820 * doc/install.texi (--with-fpmath=sse): Documented.
822 2010-02-26 Richard Guenther <rguenther@suse.de>
824 PR tree-optimization/43188
825 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
826 vector types of over-aligned element type.
828 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
831 * config/i386/i386.c (expand_vec_perm_blend): Use correct
832 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
834 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
836 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
838 2010-02-26 Jakub Jelinek <jakub@redhat.com>
840 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
841 * var-tracking.c: Include diagnostic.h.
842 (debug_dv): New function.
843 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
846 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
847 (add_value_chain, add_value_chains, remove_value_chain,
848 remove_value_chains): Handle DEBUG_EXPRs.
849 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
852 * regcprop.c (struct queued_debug_insn_change): New type.
853 (struct value_data_entry): Add debug_insn_changes field.
854 (struct value_data): Add n_debug_insn_changes field.
855 (debug_insn_changes_pool): New variable.
856 (free_debug_insn_changes, apply_debug_insn_changes,
857 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
858 (kill_value_one_regno): Call free_debug_insn_changes if needed.
859 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
861 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
863 (copyprop_hardreg_forward_1): Don't call apply_change_group for
864 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
865 changes, call cprop_find_used_regs via note_stores.
866 (copyprop_hardreg_forward): When copying vd from predecessor
867 which has any queued DEBUG_INSN changes, make sure the pointers are
868 cleared. At the end call df_analyze and then if there are any
869 DEBUG_INSN changes queued at the end of some basic block for still
870 live registers, apply them.
871 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
873 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
875 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
878 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
880 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
881 targets. Set the default with_cpu/with_arch from arch/cpu.
882 Allow x86-64 and native for with_cpu/with_arch.
884 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
886 * ebitmap.c: Change calls to verify_popcount with calls to
887 sbitmap_verify_popcount.
888 (ebitmap_clear_bit): Fixed map->cacheindex test and
889 map>cache update when bit clearing results in an empty
892 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
895 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
896 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
897 and support both V2DF and V2DI modes.
898 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
899 support both V2DF and V2DI modes.
900 (general): Delete trailing whitespace from a few patterns.
902 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
903 V2DF/V2DI interleave high/low builtins.
905 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
908 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
909 interleave high/low functions.
911 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
913 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
914 #pragma extern_prefix.
916 2010-02-25 Jakub Jelinek <jakub@redhat.com>
919 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
920 BLKmode, assert op0 is a MEM and just adjust its mode.
923 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
924 if bitpos isn't multiple of mode's bitsize.
926 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
928 * c.opt (-ftemplate-depth=): New.
929 (-ftemplate-depth-): Deprecate.
930 * optc-gen.awk: Handle -ftemplate-depth=.
931 * opth-gen.awk: Likewise.
932 * c-opts.c (c_common_handle_option): Likewise.
933 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
935 2010-02-24 Jason Merrill <jason@redhat.com>
937 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
939 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
941 * cfg.c (alloc_aux_for_block): Remove inline.
942 (alloc_aux_for_edge): Likewise.
944 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
946 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
948 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
950 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
951 * config/i386/sol2-gas.h: New file.
952 * config.gcc (i[34567]86-*-solaris2*): Use it.
954 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
957 * c-typeck.c (ep_convert_and_check): New.
958 (build_conditional_expr): Use it.
959 (build_binary_op): Likewise.
961 2010-02-24 Jakub Jelinek <jakub@redhat.com>
963 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
966 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
968 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
969 expr needs to have DECL_NAME set.
971 2010-02-24 Nick Clifton <nickc@redhat.com>
973 * config/mep/mep.c: Include gimple.h.
974 (mep_function_uses_sp): Delete unused function.
975 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
976 parameters. Use unsigned integers to count args. Return a
977 NULL_RTX instead of an error_mark_node. Toidy up formatting.
979 2010-02-23 Jakub Jelinek <jakub@redhat.com>
982 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
983 greater or equal to nelt instead of 2 * nelt.
984 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
987 2010-02-23 Jason Merrill <jason@redhat.com>
990 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
991 in cfun->local_decls even if they have register types.
994 * stor-layout.c (place_field): Don't warn about unnecessary
995 DECL_PACKED if the type is packed.
997 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1000 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1001 GOTOFF relocs, even when the base reg isn't pic pointer.
1003 2010-02-23 Michael Matz <matz@suse.de>
1006 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1007 (expand_gimple_basic_block): Generate and use debug temps if there
1008 are debug uses left after the last real use of TERed ssa names.
1009 Unlink debug immediate uses when they are expanded.
1011 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1014 * config/i386/i386.c (override_options): Reorganise to provide
1015 better error messages.
1017 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1020 * graphite-scop-detection.c (create_single_exit_edge): Move
1021 the call to find_single_exit_edge to....
1022 (create_sese_edges): ...here. Don't handle multiple edges
1023 exiting the function.
1024 (build_graphite_scops): Don't handle multiple edges
1025 exiting the function.
1027 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1030 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1031 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1033 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1036 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1038 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1041 * c-typeck.c (convert_arguments): Print declaration location.
1042 * c-common.c (validate_nargs): Rename as
1043 builtin_function_validate_nargs.
1044 (check_builtin_function_arguments): Update.
1046 2010-02-22 Richard Guenther <rguenther@suse.de>
1049 * tree-inline.c (declare_return_variable): Use the type of
1050 the call stmt lhs if available.
1052 2010-02-22 Duncan Sands <baldrick@free.fr>
1054 * passes.c (register_pass): Always consider all pass lists when
1055 ref_pass_instance_number is zero.
1057 2010-02-22 Richard Guenther <rguenther@suse.de>
1059 PR tree-optimization/42749
1060 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1061 parameter. Do arithmetic in the original type.
1062 (update_accumulator_with_ops): Likewise.
1063 (adjust_accumulator_values): Adjust.
1065 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1067 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1068 (QI to BLKmode splitter): New splitter.
1070 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1072 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1073 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1075 2010-02-22 Richard Guenther <rguenther@suse.de>
1077 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1079 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1081 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1082 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1083 ($(T)crti.o, $(T)crtn.o): Remove rules.
1085 2010-02-21 Tobias Burnus <burnus@net-b.de>
1088 * doc/invoke.texi (-fassociative-math): Document that this
1089 option is automatically enabled for Fortran.
1091 2010-02-20 David S. Miller <davem@davemloft.net>
1093 * configure.ac: Test if linker and assembler properly support
1094 GOTDATA_OP relocations.
1095 * configure: Rebuild.
1096 * config.in: Likewise.
1097 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1098 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1099 (movsi_high_pic): Likewise.
1100 (movdi_lo_sum_pic): Likewise.
1101 (movdi_high_pic): Likewise.
1102 (movsi_pic_gotdata_op): New pattern.
1103 (movdi_pic_gotdata_op): Likewise.
1104 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1105 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1107 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1110 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1111 attribute to ssemul.
1112 (xop_mulv2div2di3_high): Ditto.
1114 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1117 * c.opt (Wconversion-null): New option.
1118 * doc/invoke.texi (Wconversion-null): Document.
1120 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1122 * common.opt (Wlarger-than-): Add Undocumented.
1124 2010-02-19 Mike Stump <mikestump@comcast.net>
1126 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1128 2010-02-19 Jason Merrill <jason@redhat.com>
1131 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1132 * configure: Likewise.
1134 2010-02-20 Alan Modra <amodra@gmail.com>
1137 * cgraph.h (cgraph_make_decl_local): Declare.
1138 * cgraph.c (cgraph_make_decl_local): New function.
1139 (cgraph_make_node_local): Use it.
1140 * cgraphunit.c (cgraph_function_versioning): Likewise.
1141 * ipa.c (function_and_variable_visibility): Likewise.
1143 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1146 * except.c (sjlj_emit_function_enter): Don't call
1147 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1149 * rtl.h (add_reg_br_prob_note): Remove prototype.
1151 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1154 * c-common.c (conversion_warning): Remove widening conversions
1155 before checking the conversion of integers to reals.
1157 2010-02-19 Mike Stump <mikestump@comcast.net>
1160 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1163 * cgraphunit.c (process_function_and_variable_attributes): Check
1164 DECL_PRESERVE_P instead of looking up attribute "used".
1165 * ipa-pure-const.c (check_decl): Likewise.
1166 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1167 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1168 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1169 instead of attribute "used".
1170 * config/sol2-c.c (solaris_pragma_init): Likewise.
1171 (solaris_pragma_fini): Likewise.
1173 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1175 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1176 Use XCNEW instead of xcalloc.
1177 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1178 XNEW instead of xmalloc.
1179 (get_fields): Use XNEWVEC instead of xmalloc.
1182 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1183 populate vars array.
1184 (create_new_general_access): For debug stmts just reset value.
1185 (get_stmt_accesses): For accesses within debug stmts just record them
1186 using add_access_to_acc_sites instead of preventing the peeling or
1187 counting them as accesses.
1190 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1192 2010-02-19 Richard Guenther <rguenther@suse.de>
1194 PR tree-optimization/42916
1195 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1198 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1200 * configure.ac: Replace all uses of changequote in macro arguments
1201 with proper quoting.
1203 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1206 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1208 2010-02-19 Richard Guenther <rguenther@suse.de>
1210 PR tree-optimization/42944
1211 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1212 test for aliasing with errno.
1214 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1217 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1218 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1219 * dojump.c: Include output.h.
1220 (inv): New inline function.
1221 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1222 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1223 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1224 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1225 argument, pass it down to other calls.
1226 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1227 add REG_BR_PROB note to the conditional jump.
1228 * cfgexpand.c (add_reg_br_prob_note): Removed.
1229 (expand_gimple_cond): Don't call it, add the probability
1230 as last argument to jumpif_1/jumpifnot_1.
1231 * Makefile.in (dojump.o): Depend on output.h.
1232 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1234 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1235 * stmt.c (do_jump_if_equal): Likewise.
1236 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1237 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1238 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1240 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1241 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1242 jumpifnot_1 callers.
1243 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1245 (store_expr): Adjust jumpifnot caller.
1246 (store_constructor): Adjust jumpif caller.
1249 * gimplify.c (gimple_boolify): For __builtin_expect call
1250 gimple_boolify also on its first argument.
1252 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1254 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1256 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1257 * configure: Regenerated.
1259 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1261 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1262 lang_hooks.types_compatible_p instead of comptypes.
1264 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1266 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1267 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1268 if __prefer_thumb__ is defined.
1270 2010-02-18 Martin Jambor <mjambor@suse.cz>
1272 PR tree-optimization/43066
1273 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1274 array with zero-sized element type.
1276 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1278 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1279 rtx, allocate struct var_loc_node here and return it to the
1280 caller, and only if it is actually needed.
1281 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1282 move it earlier and return immediately if it returns NULL.
1284 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1286 * config/sparc/gas.h: New file. Restore
1287 TARGET_ASM_NAMED_SECTION to its ELF default.
1288 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1290 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1291 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1292 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1293 after sparc/sysv4.h.
1295 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1297 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1299 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1301 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1302 patterns from predicated pattern.
1304 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1307 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1308 for insn mnemonic suffix.
1310 2010-02-17 Richard Guenther <rguenther@suse.de>
1312 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1315 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1318 * caller-save.c (save_call_clobbered_regs): If BB ends with
1319 a DEBUG_INSN, move any notes in between last real insn and the last
1320 DEBUG_INSN after the last DEBUG_INSN.
1322 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1324 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1325 Fix return type. Fix argument type. Explain meaning of return value.
1327 2010-02-16 Richard Guenther <rguenther@suse.de>
1329 PR tree-optimization/41043
1330 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1331 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1333 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1335 2010-02-16 Ira Rosen <irar@il.ibm.com>
1337 PR tree-optimization/43074
1338 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1339 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1340 vectorizable cycles in hybrid SLP check.
1341 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1343 2010-02-16 Richard Guenther <rguenther@suse.de>
1345 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1346 (true_dependence): If memrefs_conflict_p computes must-alias
1347 trust it. Move TBAA check after offset-based disambiguation.
1348 (canon_true_dependence): Likewise.
1350 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1352 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1353 * doc/invoke.texi: Document it.
1354 * var-tracking.c: Include toplev.h and params.h.
1355 (vt_find_locations): Return bool indicating success. Compute
1356 hash sizes unconditionally. Check new parameter, report.
1357 (variable_tracking_main_1): Check vt_find_locations results and
1358 retry. Renamed from...
1359 (variable_tracking_main): ... this. New wrapper to preserve
1360 flag_var_tracking_assignments.
1361 * Makefile.in (var-tracking.o): Adjust dependencies.
1363 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1364 Jakub Jelinek <jakub@redhat.com>
1367 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1368 if weak_import attribute is present.
1369 * config/darwin.c (machopic_select_section): Likewise.
1371 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1373 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1374 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1375 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1376 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1378 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
1381 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1384 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1385 Rewrite text to refer to the names.
1387 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1389 * config/i386/i386-builtin-types.def
1390 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1391 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1392 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1393 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1394 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1395 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1396 IX86_BUILTIN_VPERMIL2PS256.
1397 (MULTI_ARG_4_DF2_DI_I): Defined.
1398 (MULTI_ARG_4_DF2_DI_I1): Defined.
1399 (MULTI_ARG_4_SF2_SI_I): Defined.
1400 (MULTI_ARG_4_SF2_SI_I1): Defined.
1401 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1402 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1403 __builtin_ia32_vpermil2ps256.
1404 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1405 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1406 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1407 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1408 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1409 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1410 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1411 CODE_FOR_xop_vpermil2v8sf3.
1412 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1413 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1414 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1415 (_mm256_permute2_pd): New.
1416 (_mm_permute2_ps): New.
1417 (_mm256_permute2_ps): New.
1419 2010-02-15 Nick Clifton <nickc@redhat.com>
1421 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
1422 boolean parameters. Use emit_jump_insn when emitting a pop
1423 instruction containing a return insn.
1424 (push): Use 'true' rather than '1' as second parameter to F.
1425 (h8300_expand_prologue): Likewise.
1426 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1427 (h8300_expand_epilogue): Likewise.
1429 2010-02-15 Richard Guenther <rguenther@suse.de>
1432 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1435 2010-02-15 Nick Clifton <nickc@redhat.com>
1437 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1440 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1442 * intl.c (fake_ngettext): New function.
1443 * intl.h (fake_ngettext): Declare.
1444 (ngettext): Define macro.
1445 * collect2.c (notice_translated): New function.
1446 (main): Use notice_translated and ngettext.
1447 * collect2.h (notice_translated): Declare.
1449 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1451 * reorg.c (delete_computation): Comment fixes.
1452 * caller-save.c (setup_save_areas): Idem.
1453 * sel-sched-dump.c (dump_lv_set): Idem.
1456 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1458 * config/s390/s390.c (s390_sched_init): New function.
1459 (TARGET_SCHED_INIT): Target hook defined.
1461 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1462 Jack Howarth <howarth@bromo.med.uc.edu>
1463 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1466 Partial revert of unintended change in fix for PR41605.
1467 * config/darwin.h: Fix typo.
1468 * config/darwin9.h: Same.
1470 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1472 * c-pch.c (pch_init): Clear v.
1474 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1477 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1478 graphite_can_represent_init for MULT_EXPR.
1480 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1484 * graphite-sese-to-poly.c (remove_phi): New.
1485 (translate_scalar_reduction_to_array): Call remove_phi.
1487 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1490 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1491 * graphite-clast-to-gimple.h (gloog): Update declaration.
1492 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1493 * graphite-poly.h (struct poly_bb): Add missing comments.
1494 (struct scop): Add poly_scop_p field.
1496 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1497 * graphite.c (graphite_transform_loops): Build the polyhedral
1498 representation for each scop before code generation.
1499 * sese.c (rename_variables_in_operand): Removed.
1500 (rename_variables_in_expr): Return the renamed expression.
1501 (rename_sese_parameters): New.
1502 * sese.h (rename_sese_parameters): Declared.
1504 2010-02-11 Richard Guenther <rguenther@suse.de>
1506 PR tree-optimization/42998
1507 * tree-ssa-pre.c (create_expression_by_pieces): Treat
1508 POINTER_PLUS_EXPR properly.
1510 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1511 Changpeng Fang <changpeng.fang@amd.com>
1514 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
1515 the cost of an IV candidate when the IV is used in a test against zero.
1517 * gcc.dg/tree-ssa/ivopts-3.c: New.
1519 2010-02-11 Richard Guenther <rguenther@suse.de>
1522 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
1523 pointer-vs-decl case by swapping refs. Handle some cases
1524 of pointer-vs-decl disambiguations more conservatively.
1525 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
1526 to false after expanding.
1528 2010-02-11 Richard Guenther <rguenther@suse.de>
1531 * gcc.c (process_command): Handle LTO file@offset case more
1534 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1536 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1537 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1539 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1541 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1542 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1543 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1544 Optimize eq/ne comparisons when both arguments are known to be
1546 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1547 Don't mask operands unnecessarily if they are known to be already
1550 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1552 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1555 2010-02-10 Richard Guenther <rguenther@suse.de>
1557 PR tree-optimization/43017
1558 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1559 for wrapping signed arithmetic.
1561 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1564 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1565 if no debug info should be emitted for it.
1567 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1569 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1570 note when flag_exceptions is set.
1572 2010-02-10 Duncan Sands <baldrick@free.fr>
1574 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1576 2010-02-10 Richard Guenther <rguenther@suse.de>
1579 * tree.c (get_unwidened): Handle constants.
1580 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1582 2010-02-10 Martin Jambor <mjambor@suse.cz>
1585 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1586 check for variable argument counts independently.
1588 2010-02-10 Christian Bruel <christian.bruel@st.com>
1591 * config/sh/sh.c (find_barrier): Increase length for non delayed
1592 conditional branches.
1594 2010-02-10 Christian Bruel <christian.bruel@st.com>
1596 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1598 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1600 * builtins.c (set_builtin_user_assembler_name): Also handle
1601 ffs if int is smaller than word.
1603 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1606 * ira-conflicts.c (get_dup): Remove.
1607 (process_reg_shuffles): Add new parameter. Use it as an
1608 additional guard for copy generation.
1609 (add_insn_allocno_copies): Rewrite.
1611 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1613 * common.opt (fsched2-use-traces): Preserved for backward
1615 * doc/invoke.texi: Remove the documentation about option
1616 -fsched2-use-traces.
1617 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1618 flag_sched2_use_traces.
1619 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1620 the backward compatibility flag section.
1622 2010-02-09 Richard Guenther <rguenther@suse.de>
1624 PR tree-optimization/43008
1625 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1626 make HEAP variables initialized from global memory if they
1627 are not known builtin functions.
1628 (find_func_aliases): Adjust.
1630 2010-02-09 Richard Guenther <rguenther@suse.de>
1632 PR tree-optimization/43000
1633 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1634 arithmetic manually.
1636 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1638 PR tree-optimization/42931
1639 * tree-loop-linear.c (try_interchange_loops): Don't call
1640 double_int_mul if estimated_loop_iterations failed.
1642 2010-02-08 Martin Jambor <mjambor@suse.cz>
1645 * tree-sra.c (build_accesses_from_assign): Do not mark in
1646 should_scalarize_away_bitmap if stmt has volatile ops.
1647 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1650 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1652 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1654 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1656 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1659 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1662 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1664 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1667 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1668 to unknown_dependence.
1669 (graphite_legal_transform_dr): Handle the unknown_dependence.
1670 (graphite_carried_dependence_level_k): Same.
1672 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1674 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1676 2010-02-07 Richard Guenther <rguenther@suse.de>
1679 * expr.c (get_inner_reference): Always initialize *pbitsize.
1681 2010-02-07 Richard Guenther <rguenther@suse.de>
1684 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1685 new ARRAY_REFs on variable size element or minimal index arrays.
1687 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1688 gimple_fold_indirect_ref.
1690 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1693 * arm.c (arm_override_options): Just return if the user has specified
1694 an invalid fpu name.
1696 2010-02-03 Jason Merrill <jason@redhat.com>
1699 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1700 i386_pe_maybe_record_exported_symbol.
1702 2010-02-05 Steve Ellcey <sje@cup.hp.com>
1705 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1706 (pa_delegitimize_address): New function.
1708 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
1710 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
1711 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
1713 2010-02-05 Richard Guenther <rguenther@suse.de>
1716 * lto-streamer-in.c (get_resolution): Deal with references
1717 to undefined functions.
1719 2010-02-05 Richard Guenther <rguenther@suse.de>
1721 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
1722 (fold_const_aggregate_ref): Likewise.
1723 (ccp_fold_stmt): Substitute loads.
1724 (maybe_fold_reference): Verify types before substituting.
1726 (fold_gimple_assign): Unshare properly.
1727 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
1729 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
1731 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
1732 for rs6000_gen_cell_microcode.
1734 2010-02-04 Richard Guenther <rguenther@suse.de>
1736 PR rtl-optimization/42952
1737 * dse.c (const_or_frame_p): Remove MEM handling.
1739 2010-02-04 Nick Clifton <nickc@redhat.com>
1741 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
1742 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
1743 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
1744 (mn10300_asm_output_mi_thunk): New function.
1745 (mn10300_can_output_mu_thunk): New function.
1746 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
1747 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
1748 (FUNCTION_ARG): Delete incorrect comment.
1750 2010-02-03 Jason Merrill <jason@redhat.com>
1753 * fold-const.c (operand_equal_p): Handle erroneous types.
1755 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1757 * config/h8300/h8300.md (can_delay): Fix attibute condition.
1759 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
1761 PR rtl-optimization/42941
1762 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
1765 2010-02-03 Jason Merrill <jason@redhat.com>
1768 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
1770 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
1773 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
1774 (cselib_reset_table): Renamed from...
1775 (cselib_reset_table_with_next_value): ... this.
1776 (cselib_get_next_uid): Renamed from...
1777 (cselib_get_next_unknown_value): ... this.
1778 * cselib.c (next_uid): Renamed from...
1779 (next_unknown_value): ... this.
1780 (cselib_clear_table): Adjust.
1781 (cselib_reset_table): Adjust. Renamed from...
1782 (cselib_reset_table_with_next_value): ... this.
1783 (cselib_get_next_uid): Adjust. Renamed from...
1784 (cselib_get_next_unknown_value): ... this.
1785 (get_value_hash): Use hash.
1786 (cselib_hash_rtx): Likewise.
1787 (new_cselib_val): Adjust. Set and dump uid.
1788 (cselib_lookup_mem): Pass next_uid as hash.
1789 (cselib_subst_to_values): Likewise.
1790 (cselib_log_lookup): Dump uid.
1791 (cselib_lookup): Pass next_uid as hash. Adjust.
1792 (cselib_process_insn): Adjust.
1793 (cselib_init): Initialize next_uid.
1794 (cselib_finish): Adjust.
1795 (dump_cselib_table): Likewise.
1796 * dse.c (canon_address): Dump value uid.
1797 * print-rtl.c (print_rtx): Print value uid.
1798 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
1800 (dv_uid): New function, sort of renamed from...
1801 (dv_htab_hash): ... this, reimplemented in terms of it and...
1802 (dv_uid2hash): ... this. New.
1803 (variable_htab_eq): Drop excess assertions.
1804 (tie_break_pointers): Removed.
1805 (canon_value_cmp): Compare uids.
1806 (variable_post_merge_New_vals): Print uids.
1807 (vt_add_function_parameters): Adjust.
1808 (vt_initialize): Reset table. Adjust.
1810 2010-02-03 Richard Guenther <rguenther@suse.de>
1812 PR tree-optimization/42944
1813 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
1814 (call_may_clobber_ref_p_1): Likewise. Properly handle
1815 malloc and calloc clobbering errno.
1817 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
1819 * doc/invoke.texi: Fix name of sched1 dump.
1821 * opts.c (decode_options): Set flag_tree_switch_conversion
1822 only conditionally on optimize >= 2.
1824 * gcse.c: Assorted comment fixes in pass description.
1826 2010-02-03 Anthony Green <green@moxielogic.com>
1828 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
1829 nop padding in order to maintain alignment of storage location of
1830 target function address.
1831 (moxie_trampoline_init): Store target function address at newly
1833 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
1835 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
1837 2010-02-03 Richard Guenther <rguenther@suse.de>
1840 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
1842 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1844 * config.gcc: Reenable check for obsolete targets.
1845 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
1846 mips-sgi-irix6.[0-4]*.
1848 2010-02-02 Nick Clifton <nickc@redhat.com>
1850 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
1851 constant size of 4 as being the same as 0.
1852 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
1853 can take values in the range 0..4.
1855 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
1858 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
1859 as _darwin10_Unwind_FindEnclosingFunction().
1860 * libgcc-libsystem.ver: New.
1862 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
1865 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
1866 implicitly set registers.
1868 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
1870 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
1871 (arm_override_options): Allow automatic selection of the thread
1872 pointer register if thumb2.
1873 (legitimize_pic_address): Improve code sequences for Thumb2.
1874 (arm_call_tls_get_addr): Likewise.
1875 (legitimize_tls_address): Likewise.
1876 * arm.md (pic_load_addr_arm): Delete. Replace with ...
1877 (pic_load_addr_32bit): ... this. New named pattern.
1878 * thumb2.md (pic_load_addr_thumb2): Delete.
1879 (pic_load_dot_plus_four): Delete.
1880 (tls_load_dot_plus_four): New named pattern.
1882 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1885 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
1886 Document fix for TLS bug.
1888 2010-01-31 Richard Guenther <rguenther@suse.de>
1890 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
1891 conservatively correct.
1893 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1897 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1899 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
1901 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1903 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
1905 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
1907 * config.gcc: Adjust order of makefile fragments for mingw targets.
1909 2010-01-31 Richard Guenther <rguenther@suse.de>
1912 * gimplify.c (gimplify_init_constructor): For volatile LHS
1913 initialize a temporary.
1915 2010-01-31 Matthias Klose <doko@ubuntu.com>
1917 * configure.ac: Fix __stack_chk_fail check for cross builds configured
1919 * configure: Regenerate.
1921 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
1923 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1924 the same alias set and their sizes different constantness.
1925 (aliasing_component_refs_p): Revert 2009-10-24 change.
1927 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1929 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
1932 2010-01-29 Richard Guenther <rguenther@suse.de>
1934 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
1935 Assert we successfully updated the call.
1937 2010-01-29 Jakub Jelinek <jakub@redhat.com>
1939 PR rtl-optimization/42889
1940 * df.h (df_set_bb_dirty_nonlr): New prototype.
1941 * df-core.c (df_set_bb_dirty_nonlr): New function.
1942 * df-scan.c (df_insn_rescan): Call it instead of
1943 df_set_bb_dirty for DEBUG_INSNs.
1945 2010-01-29 Richard Guenther <rguenther@suse.de>
1948 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
1949 quadratic behavior in most cases.
1951 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
1954 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
1955 in the call to gen_x86_movsicc_0_m1.
1957 2010-01-28 Richard Guenther <rguenther@suse.de>
1959 PR tree-optimization/42871
1960 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
1962 2010-01-28 Richard Guenther <rguenther@suse.de>
1964 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
1965 into call arguments.
1967 2010-01-28 Richard Guenther <rguenther@suse.de>
1970 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
1971 the forwarder if the destination is an EH landing pad.
1973 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
1975 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
1976 block list passed to gimple_duplicate_sese_tail.
1977 (parallelize_loops): Avoid parallelization when the function
1979 Avoid parallelization when the preheader is IRREDUCIBLE.
1980 Try to optimize when estimated_loop_iterations_int is unresolved.
1981 Add the loop's location to the dump file.
1982 * tree-cfg.c (add_phi_args_after_redirect): Remove.
1983 (gimple_duplicate_sese_tail): Remove the check for the latch.
1984 Redirect nexits to the exit block.
1985 Remove handling of the incoming edges to the latch.
1986 Redirect the backedge from the copied latch to the exit bb.
1988 2010-01-28 Michael Matz <matz@suse.de>
1991 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
1992 Wrap force_reg into a sequence, emit it before user.
1994 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
1996 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
1998 (arm_legacy_rev): Likewise.
1999 (thumb_legacy_rev): Likewise.
2001 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2003 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2004 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2005 on MEM's address failed, try avoid_constant_pool_reference and
2006 recurse if it returned something different.
2007 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2008 address, try avoid_constant_pool_reference and recurse if it
2009 returned something different.
2010 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2011 address and avoid_constant_pool_reference returned something
2012 different, don't set have_address.
2014 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2017 * var-tracking.c (val_store): Add modified argument, obey it.
2019 (count_uses): Move down logging of main.
2020 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2021 don't need resolution.
2022 (emit_notes_in_bb): Likewise.
2024 2010-01-27 Richard Guenther <rguenther@suse.de>
2027 * tree-inline.c (remap_decl): Delay remapping of SSA name
2028 default definitions until we need them.
2030 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2032 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2033 (rs6000_delegitimize_address): New function.
2035 * config/s390/s390.c (s390_delegitimize_address): Call
2036 delegitimize_mem_from_attrs.
2039 * tree-inline.c (cannot_copy_type_1): Removed.
2040 (copy_forbidden): Don't forbid copying of functions containing
2041 records/unions with variable length fields.
2043 2010-01-27 Christian Bruel <christian.bruel@st.com>
2047 * config/sh/sh.c (find_barrier): Increase length for non delayed
2048 conditional branches.
2050 2010-01-27 Matthias Klose <doko@ubuntu.com>
2052 * configure.ac (gnu-unique-object): Fix ldd version check.
2053 * configure: Regenerate.
2055 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2057 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2059 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2060 Test for HAVE_GNU_AS value.
2062 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2064 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2065 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2066 INT64_TYPE): Define.
2067 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2068 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2069 INT_LEAST64_TYPE): Define.
2070 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2071 UINT_LEAST64_TYPE): Define.
2072 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2073 INT_FAST64_TYPE): Define.
2074 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2075 UINT_FAST64_TYPE): Define.
2076 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2077 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2078 (SIG_ATOMIC_TYPE): Define.
2080 2010-01-26 Richard Guenther <rguenther@suse.de>
2082 * df-scan.c (df_scan_set_bb_info): Remove assert.
2083 (df_insn_rescan_debug_internal): Merge asserts.
2084 (df_install_ref): Likewise.
2085 (df_mark_reg): Use bitmap_set_range.
2086 (df_hard_reg_used_p): Remove assert.
2087 (df_hard_reg_used_count): Likewise.
2089 2010-01-26 Richard Guenther <rguenther@suse.de>
2091 PR rtl-optimization/42685
2092 * web.c (web_main): Ignore DEBUG_INSNs.
2094 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2096 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2098 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2099 Fix types of fndecl and arglist parameters.
2101 2010-01-26 Richard Guenther <rguenther@suse.de>
2104 * tree-eh.c (unsplit_eh): Skip debug insns.
2106 2010-01-26 Richard Guenther <rguenther@suse.de>
2108 PR tree-optimization/42250
2109 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2111 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2114 * omp-low.c (expand_omp_sections): Only use single_pred if
2115 l2_bb is single_pred_p.
2117 2010-01-25 Christian Bruel <christian.bruel@st.com>
2120 * config/sh/sh.c (find_barrier): Increase length for non delayed
2121 conditional branches.
2122 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2124 2010-01-24 David S. Miller <davem@davemloft.net>
2126 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2127 define if not using GAS.
2128 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2129 Likewise. Delete SECTION_MERGE code, which is only applicable
2132 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2135 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2136 mangling of va_list in system headers.
2138 2010-01-23 Toon Moene <toon@moene.org>
2140 * tree-predcom.c (combine_chains): Return NULL, not false.
2142 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2144 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2145 initialization of variable res to agree with return type.
2147 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2149 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2150 * tree-sra.c: Add include of expr.h.
2152 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2154 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2155 insert the debug stmt on the single non-EH edge from the stmt.
2157 2010-01-22 Richard Henderson <rth@redhat.com>
2160 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2161 the RHS until after generate_subtree_copies has insertted its
2162 code before the current statement.
2164 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2166 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2168 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2170 2010-01-21 Martin Jambor <mjambor@suse.cz>
2172 PR tree-optimization/42585
2173 * tree-sra.c (struct access): New field grp_total_scalarization.
2174 (dump_access): Dump the new field.
2175 (should_scalarize_away_bitmap): New variable.
2176 (cannot_scalarize_away_bitmap): Likewise.
2177 (sra_initialize): Allocate new bitmaps.
2178 (sra_deinitialize): Free new bitmaps.
2179 (create_access_1): New function.
2180 (create_access): Parts moved to create_access_1.
2181 (type_consists_of_records_p): New function.
2182 (completely_scalarize_record): Likewise.
2183 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2184 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2185 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2187 (analyze_all_variable_accesses): Completely scalarize small eligible
2190 2010-01-21 Martin Jambor <mjambor@suse.cz>
2192 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2194 2010-01-21 Andrew Haley <aph@redhat.com>
2196 * gcc.c (process_command): Move lang_specific_driver before
2197 setting cc_libexec_prefix.
2199 2010-01-21 Richard Guenther <rguenther@suse.de>
2202 * fold-const.c (negate_expr_p): Pretend only negative
2203 real constants are easily negatable.
2205 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2206 Jason Merrill <jason@redhat.com>
2208 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2209 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2210 * calls.c (initialize argument_information): Handle it.
2211 * c-common.c (handle_transparent_union_attribute): Use new name.
2212 * c-decl.c (finish_struct): Ditto.
2213 * c-typeck.c (type_lists_compatible_p): Ditto.
2214 (convert_for_assignment): Use new name and also handle record.
2215 * function.c (aggregate_value_p): Handle it.
2216 (pass_by_reference): Ditto.
2217 (assign_parm_data_types): Ditto.
2218 * print-tree.c (print_node): Ditto.
2219 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2220 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2221 * tree.c (first_field): New fn.
2223 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2226 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2227 even when linking statically, for now.
2229 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2232 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2233 without a cselib val.
2234 (count_uses): Accept MO_VAL_SET with no val on stores.
2235 (add_stores): Likewise.
2237 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2239 * var-tracking.c (check_value_val): Add a compile time assertion.
2240 (dv_is_decl_p): Simplify.
2241 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2242 gcc_assert if ENABLE_CHECKING.
2244 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2247 * var-tracking.c: Include tree-flow.h.
2248 (mem_dies_at_call): New.
2249 (dataflow_set_preserve_mem_locs): Use it.
2250 (dataflow_set_remove_mem_locs): Likewise.
2251 (dump_var): Renamed from dump_variable. Adjust all callers.
2252 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2253 * Makefile.in (var-tracking.o): Adjust deps.
2255 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2257 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2259 2010-01-20 Richard Guenther <rguenther@suse.de>
2261 PR tree-optimization/42717
2262 * tree-ssa-dce.c (get_live_post_dom): Remove.
2263 (forward_edge_to_pdom): Take an arbitrary edge to copy
2264 degenerate PHI args from.
2265 (remove_dead_stmt): Use the first post-dominator even if it
2266 does not contain live statements as redirection destination.
2268 2010-01-20 Richard Guenther <rguenther@suse.de>
2270 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2272 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2274 * sel-sched.c (create_speculation_check): Remove set but not used
2276 (try_transformation_cache): Remove set but not used variable ds.
2277 (calculate_privileged_insns): Remove set but not used variables
2278 cur_insn and min_spec_insn.
2279 (find_best_expr): Remove set but not used variable avail_n.
2280 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2282 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2284 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2285 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2288 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2291 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2292 cpu types. Add support for *-sse3 cpu types.
2293 (x86_64-*-*): Ditto.
2295 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2298 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2299 argument, call initializer_constant_valid_p_1 instead of
2300 initializer_constant_valid_p, pass CACHE to it, return NULL
2301 immediately if first call returns NULL.
2302 (initializer_constant_valid_p_1): New function.
2303 (initializer_constant_valid_p): Use it.
2305 2010-01-20 Thomas Quinot <quinot@adacore.com>
2307 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2309 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2311 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2312 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2313 (loc_list_from_tree): Don't handle unsigned division. Handle
2314 signed modulo using DW_OP_{over,over,div,mul,minus}.
2315 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2316 modulo instead of signed.
2318 2010-01-20 DJ Delorie <dj@redhat.com>
2320 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2322 (h8300_emit_stack_adjustment): Propogate it.
2324 (h8300_expand_prologue): Likewise.
2325 (h8300_expand_epilogue): Likewise.
2327 2010-01-19 Michael Matz <matz@suse.de>
2329 PR tree-optimization/41783
2330 * tree-data-ref.c (toplevel): Include flags.h.
2331 (dump_data_dependence_relation): Also dump the inputs if the
2332 result will be unknown.
2333 (split_constant_offset_1): Look through some conversions.
2334 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2335 the offset from last element is too large.
2336 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2337 (reassociate_to_the_same_stmt): Handle vector registers.
2338 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2340 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2341 wide_prolog_niters argument, emit widening instructions.
2342 (vect_do_peeling_for_alignment): Adjust caller, use widened
2343 variant of the iteration cound.
2344 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2346 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2349 * config/arm/neon-testgen.m (emit_automatics): New parameter
2350 features. Adjust for Fixed_return_reg feature.
2351 (test_intrinsic): Call emit_automatics with new feature.
2352 * config/arm/neon.ml: Update copyright years.
2353 (features): New Fixed_return_reg feature.
2354 (ops): Update feature for Vget_low.
2356 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2358 PR tree-optimization/42719
2359 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2363 * fwprop.c (all_uses_available_at): Return false if def_set dest
2364 is a REG that is used in def_insn.
2366 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2368 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2370 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2373 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2375 * target.h (struct gcc_target) <secondary_reload>: Change type
2376 of last argument to secondary_reload_info *.
2378 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2381 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2382 memory references with unaligned offsets. Remove CQImode handling.
2383 (unaligned_memory_operand): Return 1 for memory references with
2384 unaligned offsets. Remove CQImode handling.
2386 2010-01-18 Richard Guenther <rguenther@suse.de>
2389 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2392 2010-01-18 Richard Guenther <rguenther@suse.de>
2394 PR tree-optimization/42781
2395 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2396 restrict processing only if the original variable was artificial.
2398 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2400 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2401 find number of popped argument bytes.
2403 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2404 Fix the text that describes the return value for invalid insns.
2406 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2408 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2409 Clarify what 'cost of the -dependence' is. Fix quoting.
2411 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2412 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2414 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2416 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2417 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2419 2010-01-17 Richard Guenther <rguenther@suse.de>
2422 * function.c (split_complex_args): Take a VEC to modify.
2423 (assign_parms_augmented_arg_list): Build a VEC instead of
2424 a chain of PARM_DECLs.
2425 (assign_parms_unsplit_complex): Take a VEC of arguments.
2426 Do not fixup unmodified parms.
2427 (assign_parms): Deal with the VEC.
2428 (gimplify_parameters): Likewise.
2430 2010-01-17 Richard Guenther <rguenther@suse.de>
2432 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2433 node existence check.
2434 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2435 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2436 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2437 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2438 (gimple_execute_on_growing_pred): Likewise.
2440 2010-01-17 Richard Guenther <rguenther@suse.de>
2442 PR tree-optimization/42773
2443 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2444 (compute_antic_aux): Likewise.
2445 (compute_partial_antic_aux): Likewise.
2447 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2450 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2453 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2455 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2458 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2459 Fix markup for strict argument.
2461 (TARGET_SCHED_REORDER2): Fix argument types.
2463 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2464 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2466 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2467 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2469 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2472 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2473 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2474 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2475 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2476 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2478 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2480 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2482 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2483 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
2485 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
2487 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
2490 (TARGET_ASM_NAMED_SECTION): Fix argument list.
2492 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
2493 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
2495 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
2497 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
2499 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
2500 referring to it. Fix language.
2502 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
2504 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
2506 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
2508 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
2510 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
2511 '@var{stream}. Remove stray 'and'.
2513 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
2515 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
2517 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
2519 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
2520 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
2522 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
2523 Fix description of return value.
2524 Rename argument "sz" to "len."
2526 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
2527 Clarify meaning of 'true' return value.
2529 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
2531 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2532 rep_mode versus mode_rep.
2534 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2536 (TARGET_BUILTIN_DECL): Fix name.
2538 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2540 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2542 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2544 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2546 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2548 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2551 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2552 Rename argument tm_fn to md_fn.
2554 (TARGET_OPTION_PRINT): Fix argument list.
2556 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2559 * config/i386/i386.c (ix86_fixup_binary_operands):
2560 Revert FMA4 fixup of operands.
2562 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2565 * Makefile.in (write_entries_to_file, install-plugin):
2566 Use \012 instead of \n with tr.
2568 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2570 * configure.ac (HAVE_AS_REF): New C macro.
2571 * configure: Regenerate.
2572 * config.in: Likewise.
2573 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2575 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2578 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2580 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2582 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2584 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2586 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2588 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2590 (TARGET_BINDS_LOCAL_P): Fix argument type.
2592 (TARGET_ASM_FILE_END): Use prototype.
2594 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2596 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2598 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2600 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2602 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2603 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2605 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2606 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2608 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2609 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2610 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2611 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2613 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2615 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2617 (TARGET_INIT_BUILTINS): Use prototype.
2619 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2620 Put 'const char *' in braces. Fix parameter types.
2621 (TARGET_INVALID_CONVERSION): Fix parameter types.
2622 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2623 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2625 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2628 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2630 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2632 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2634 * doc/tm.texi (TARGET_HELP): Fix return type.
2636 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2637 in braces. Fix argument types.
2639 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2641 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2643 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2645 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2646 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2648 (TARGET_MANGLE_TYPE): Fix argument types.
2650 (TARGET_IRA_COVER_CLASSES): Use prototype.
2652 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2654 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2656 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2658 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2660 (TARGET_CALLEE_COPIES): Fix argument types.
2662 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2664 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2666 (TARGET_FUNCTION_VALUE): Fix argument types.
2668 (TARGET_RETURN_IN_MSB): Fix argument type.
2670 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2672 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2674 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2676 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2677 agree with return type.
2679 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2681 2010-01-15 Jing Yu <jingyu@google.com>
2683 PR rtl-optimization/42691
2684 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2685 a pseudo to a constant and are merged, and adjust comments.
2687 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2689 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2691 2010-01-15 Richard Guenther <rguenther@suse.de>
2694 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2695 labels of computed or non-local gotos to the destination.
2696 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2697 landing pad label is the first label.
2699 2010-01-15 Richard Guenther <rguenther@suse.de>
2701 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2703 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2706 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
2707 to allow generation of the xssqrtdp instruction on power7.
2708 (sqrtdf2_fpr): Ditto.
2710 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2713 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
2714 functions with noreturn attribute.
2717 * varasm.c (declare_weak): Add weak attribute to decl if it
2718 doesn't have one already.
2719 (assemble_external): Only add decls to weak_decls if they also
2720 have weak attribute.
2722 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
2724 * var-tracking.c (var_reg_delete): Don't delete the association
2725 between REGs and values or one-part variables if the register
2728 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2731 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
2732 because its first operand is a non-localized variable.
2734 2010-01-14 Martin Jambor <mjambor@suse.cz>
2736 PR tree-optimization/42706
2737 * tree-sra.c (encountered_recursive_call): New variable.
2738 (encountered_unchangable_recursive_call): Likewise.
2739 (sra_initialize): Initialize both new variables.
2740 (callsite_has_enough_arguments_p): New function.
2741 (scan_function): Call decl and flags check only for IPA-SRA, check
2742 whether there is a recursive call and whether it has enough arguments.
2743 (all_callers_have_enough_arguments_p): New function.
2744 (convert_callers): Look for recursive calls only when
2745 encountered_recursive_call is set.
2746 (ipa_early_sra): Bail out either if
2747 !all_callers_have_enough_arguments_p or
2748 encountered_unchangable_recursive_call.
2750 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2752 * sel-sched.c: Add 2010 to copyright years.
2753 * sel-sched-ir.c: Likewise.
2754 * sel-sched-ir.h: Likewise.
2756 2010-01-14 Martin Jambor <mjambor@suse.cz>
2758 PR tree-optimization/42714
2759 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
2760 constructors specially.
2762 2010-01-14 Andi Kleen <ak@linux.intel.com>
2764 * config/i386/drivers-i386.c (detect_caches_intel):
2765 Add l2sizekb parameter and fill in.
2766 (host_detect_local_cpu): Add l2sizekb, fill in.
2767 Add Atom small cache heuristic.
2769 2010-01-14 Andi Kleen <ak@linux.intel.com>
2771 * config/i386/drivers-i386.c (detect_caches_cpuid4):
2772 Add level3 parameter and fill in.
2773 (detect_caches_intel): Handle level3 cache.
2775 2010-01-14 Andi Kleen <ak@linux.intel.com>
2777 * config/i386/drivers-i386.c (host_detect_local_cpu):
2778 Fix core duo detection.
2780 2010-01-14 Andi Kleen <ak@linux.intel.com>
2782 * config/i386/drivers-i386.c (host_detect_local_cpu):
2785 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2787 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
2788 (rs6000_variable_issue_1): this. Use...
2789 (rs6000_variable_issue): here. Reimplement. Print debug info.
2791 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2793 * sel-sched-ir.c (sel_restore_other_notes): Rename to
2794 sel_restore_notes. Update all callers. Call reemit_notes
2797 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2799 PR rtl-optimization/42246
2800 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
2803 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2805 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
2806 all successors is the same as number of successors in current region.
2808 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2810 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
2811 to rename is not separable. Otherwise check that its LHS is not NULL.
2813 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2815 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
2817 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2819 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
2820 available registers when failed to discover LHS register class.
2821 Fix indentation. Update comment.
2823 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2824 Alexander Monakov <amonakov@ispras.ru>
2826 PR rtl-optimization/42389
2827 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
2829 (advance_state_on_fence): Likewise.
2830 (sel_target_adjust_priority): Print debug output only when
2831 sched_verbose >= 4, not 2.
2832 (get_expr_cost): Do not issue all unique insns on the next cycle.
2833 (fill_insns): Initialize can_issue_more from the value saved
2835 * sel-sched-ir.c (flist_add): New parameter issue_more.
2836 Init FENCE_ISSUE_MORE with it.
2837 (merge_fences): Likewise.
2838 (init_fences): Update call to flist_add.
2839 (add_to_fences, add_clean_fence_to_fences)
2840 (add_dirty_fence_to_fences): Likewise.
2841 (move_fence_to_fences): Update call to merge_fences.
2842 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
2844 * sel-sched-ir.h (struct _fence): New field issue_more.
2845 (FENCE_ISSUE_MORE): New accessor macro.
2847 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2849 PR rtl-optimization/42388
2850 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
2851 that have no predecessors nor successors. Do not call move_bb_info
2852 for empty blocks outside of current region.
2854 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2856 PR rtl-optimization/42294
2857 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
2858 * sel-sched.c (move_exprs_to_boundary): Transitively add all
2859 originators' originators.
2861 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2863 PR rtl-optimization/39453
2864 PR rtl-optimization/42246
2865 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
2867 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
2869 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2870 Alexander Monakov <amonakov@ispras.ru>
2873 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
2874 (maybe_tidy_empty_bb): ... here. Make static. Add new
2875 argument. Update all callers.
2876 (tidy_control_flow): ... and here. Recompute topological order
2877 of basic blocks in region if necessary.
2878 (sel_redirect_edge_and_branch): Change return type. Return true
2879 if topological order might have been invalidated.
2880 (purge_empty_blocks): Export and move from...
2881 * sel-sched.c (purge_empty_blocks): ... here.
2882 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
2883 (maybe_tidy_empty_bb): Delete prototype.
2884 (purge_empty_blocks): Declare.
2886 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2888 PR rtl-optimization/42249
2889 * sel-sched.c (try_replace_dest_reg): When chosen register
2890 and original register is the same, do not bail out early, but
2891 still check all original insns for validity of replacing destination
2892 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
2895 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2898 Port from no-undefined-overflow branch:
2899 2009-03-09 Richard Guenther <rguenther@suse.de>
2901 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
2903 2010-01-14 Richard Guenther <rguenther@suse.de>
2906 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
2908 2010-01-14 Ira Rosen <irar@il.ibm.com>
2910 PR tree-optimization/42709
2911 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
2912 as scalar type in creation of constant vector operand.
2914 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2917 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
2918 (check-parallel-%): Match `testsuite' directory component only
2921 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
2923 PR translation/39521
2924 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
2927 2010-01-13 Richard Guenther <rguenther@suse.de>
2929 PR tree-optimization/42730
2930 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
2933 2010-01-13 Steve Ellcey <sje@cup.hp.com>
2936 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
2937 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
2940 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
2942 * config/bfin/libgcc-bfin.ver: Regenerate based on current
2943 libgcc-std.ver. Add entries for ___smulsi3_highpart and
2944 ___umulsi3_highpart.
2946 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
2947 rather than schedule_insns if the pass is enabled.
2949 2010-01-13 Martin Jambor <mjambor@suse.cz>
2951 PR tree-optimization/42704
2952 * tree-sra.c (sra_modify_assign): Do not delete assignments to
2955 2010-01-13 Martin Jambor <mjambor@suse.cz>
2957 PR tree-optimization/42703
2958 * tree-sra.c (analyze_access_subtree): Check that we can build a
2959 reference to the original data within the aggregate.
2961 2010-01-13 Richard Guenther <rguenther@suse.de>
2963 PR tree-optimization/42705
2964 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
2966 2010-01-13 Richard Guenther <rguenther@suse.de>
2969 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
2971 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2974 * var-tracking.c (values_to_unmark): New variable.
2975 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2976 values_to_unmark vector. Moved body to...
2977 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2978 instead queue it into values_to_unmark vector.
2979 (vt_find_locations): Free values_to_unmark vector.
2981 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
2983 * config/s390/s390.c (override_options): Set
2984 default of max-pending-list-length to 256
2986 2010-01-13 Richard Guenther <rguenther@suse.de>
2989 * tree-pass.h (PROP_gimple_lcx): New.
2990 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
2991 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
2992 before the final cleanup_eh.
2993 (dump_properties): Dump PROP_gimple_lcx.
2994 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
2995 (tree_lower_complex_O0): Remove.
2996 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
2997 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
2998 tree_lower_complex, schedule TODO_update_ssa.
2999 * lto-streamer-out.c (output_function): Stream the functions
3001 * lto-streamer-in.c (input_function): Likewise.
3002 (lto_read_body): Do not override them here.
3004 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3007 * c-typeck.c (build_c_cast): Fold value cast to union type before
3008 wrapping it in a CONSTRUCTOR.
3010 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3012 PR rtl-optimization/42699
3013 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3016 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3018 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3019 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3020 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3021 SUBTARGET_WARN_UNUSED_SPEC): ... here
3022 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3024 2010-01-12 Julian Brown <julian@codesourcery.com>
3026 * config/arm/neon-schedgen.ml (Utils): Don't try to
3027 open missing module.
3028 (find_with_result): New.
3030 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3033 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3034 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3036 PR tree-optimization/42645
3037 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3038 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3039 decl_map, set processing_debug_stmt to -1 and return name without
3042 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3044 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3045 binutils version, and reword target configuration description.
3047 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3049 * config/avr/avr.h (LINKER_NAME): Remove.
3051 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3054 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3055 that support VSX, warn for -mno-altivec if vsx is not disabled,
3058 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3059 Shujing Zhao <pearly.zhao@oracle.com>
3061 PR translation/42469
3062 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3063 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3064 character between option name and help text.
3065 * c.opt (imultilib): Likewise.
3067 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3069 * lto-streamer-out.c (output_unreferenced_globals): Output static
3072 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3074 PR rtl-optimization/42621
3075 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3076 optimizing for size.
3077 (duplicate_computed_gotos): Remove now-redundant check.
3079 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3082 * configure.ac: Save and restore LDFLAGS and LIBS
3083 * configure: Regenerate.
3085 2010-01-10 Richard Guenther <rguenther@suse.de>
3088 * builtins.c (fold_builtin_strlen): Add type argument and
3089 convert the resulting length to it.
3090 (fold_builtin_1): Adjust.
3092 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3094 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3095 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3097 (num_insns_constant_wide): Adjust for that change.
3099 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3102 * web.c (union_defs): Add used argument, to combine uses of
3104 (entry_register): Adjust type and tests of used argument.
3105 (web_main): Widen used for new use. Pass it to union_defs.
3106 * df.h (union_defs): Adjust prototype.
3108 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3111 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3112 uses in new incoming argument. Free body.
3113 (reset_debug_uses_in_loop): New.
3114 (analyze_insn_to_expand_var): Call the latter if the former found
3115 anything. Fix whitespace. Reject invalid dest overlaps before
3116 going through all insns in the loop.
3118 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3121 * haifa-sched.c (dying_use_p): Debug insns don't count.
3123 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3126 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3127 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3128 (verify_gimple_call): Reject LHS in noreturn calls.
3130 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3134 * tree-vect-loop-manip.c (adjust_info): New type.
3135 (adjust_vec): New pointer to vector.
3136 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3137 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3138 (slpeel_update_phis_for_duplicate_loop): Use them.
3139 (slpeel_update_phi_nodes_for_guard1): Likewise.
3140 (slpeel_update_phi_nodes_for_guard2): Likewise.
3141 (slpeel_tree_peel_loop_to_edge): Likewise.
3142 (vect_update_ivs_after_vectorizer): Likewise.
3144 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3146 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3147 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3149 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3151 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3152 bogus uninitialized warning.
3154 2010-01-09 Richard Guenther <rguenther@suse.de>
3157 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3158 the evolution is compatible with the initial condition.
3160 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3162 * gcc.c (process_command): Update copyright notice dates.
3163 * gcov.c (print_version): Likewise.
3164 * gcov-dump.c (print_version): Likewise.
3165 * mips-tfile.c (main): Likewise.
3166 * mips-tdump.c (main): Likewise.
3168 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3171 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3173 (rotlhi3_8): Delete.
3175 (rotlsi3_8): Delete.
3176 (rotlsi3_16): Delete.
3177 (rotlsi3_24): Delete.
3179 (*rotw<mode>3): New.
3180 (*rotb<mode>3): New.
3181 * config/avr/avr.c (avr_rotate_bytes): New function.
3182 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3184 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3187 * configure.ac: Modify -rdynamic check.
3188 * configure: Regenerate.
3190 2010-01-08 DJ Delorie <dj@redhat.com>
3192 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3193 register popping order.
3195 2010-01-08 Richard Guenther <rguenther@suse.de>
3198 * c.opt (fsigned-char): Also let LTO handle this option.
3199 (funsigned-char): Likewise.
3201 2010-01-07 Richard Guenther <rguenther@suse.de>
3203 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3204 (gimple_op): Likewise.
3205 (gimple_op_ptr): Likewise.
3206 (gimple_assign_set_lhs): Remove gcc_assert.
3207 (gimple_assign_set_rhs1): Likewise.
3208 (gimple_assign_set_rhs2): Likewise.
3209 (gimple_call_set_lhs): Likewise.
3210 (gimple_call_set_fn): Likewise.
3211 (gimple_call_set_fndecl): Likewise.
3212 (gimple_call_fndecl): Likewise.
3213 (gimple_call_return_type): Likewise.
3214 (gimple_call_set_chain): Likewise.
3215 (gimple_call_num_args): Likewise.
3216 (gimple_call_set_arg): Likewise.
3217 (gimple_cond_set_code): Likewise.
3218 (gimple_cond_set_lhs): Likewise.
3219 (gimple_cond_set_rhs): Likewise.
3220 (gimple_cond_set_true_label): Likewise.
3221 (gimple_cond_set_false_label): Likewise.
3222 (gimple_label_set_label): Likewise.
3223 (gimple_goto_set_dest): Likewise.
3224 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3225 (gimple_debug_bind_get_value): Likewise.
3226 (gimple_debug_bind_get_value_ptr): Likewise.
3227 (gimple_debug_bind_set_var): Likewise.
3228 (gimple_debug_bind_set_value): Likewise.
3229 (gimple_debug_bind_reset_value): Likewise.
3230 (gimple_debug_bind_has_value_p): Likewise.
3231 (gimple_return_retval_ptr): Remove gcc_assert.
3232 (gimple_return_retval): Likewise.
3233 (gimple_return_set_retval): Likewise.
3234 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3235 (safe_referenced_var_iterator): Remove.
3236 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3237 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3238 (fill_referenced_var_vec): Remove.
3239 (first_readonly_imm_use): Remove redundant gcc_assert.
3240 (phi_arg_index_from_use): Combine gcc_asserts.
3241 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3242 (first_imm_use_stmt): Remove redundant gcc_assert.
3243 * tree-cfg.c (verify_gimple_call): Verify function and chain
3244 operands. Verify arguments.
3245 (verify_types_in_gimple_stmt): Verify condition code and labels.
3247 2010-01-07 Richard Guenther <rguenther@suse.de>
3249 PR tree-optimization/42641
3250 * sese.c (rename_map_elt_info): Use the SSA name version, do
3253 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3255 PR tree-optimization/42625
3256 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3257 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3259 2010-01-07 Duncan Sands <baldrick@free.fr>
3261 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3263 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3266 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3267 note itself is not function_invariant_p.
3269 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3271 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3272 Do not add the DF_NOTE problem.
3273 * store-motion.c (execute_rtl_store_motion): Likewise.
3275 2010-01-07 Martin Jambor <mjambor@suse.cz>
3277 PR tree-optimization/42157
3278 * tree-sra.c (compare_access_positions): Stabilize sort if both
3279 accesses have integer types, return zero immediately if they are the
3282 2010-01-06 Richard Henderson <rth@redhat.com>
3285 * haifa-sched.c (add_to_note_list): Merge into ...
3286 (concat_note_lists): ... here, and ...
3287 (unlink_other_notes, rm_other_notes): Merge into...
3288 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3289 NOTE_INSN_EPILOGUE_BEG.
3291 2010-01-06 Richard Guenther <rguenther@suse.de>
3293 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3294 not inline regular functions into always-inline functions.
3296 2010-01-06 Nick Clifton <nickc@redhat.com>
3298 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3299 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3301 (OVERRIDE_OPTIONS): Delete.
3302 (OPTIMIZATION_OPTIONS): Define.
3303 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3304 * config/rx/rx.c (rx_handle_option): Issue an error message if
3305 -mcpu=rx200 and -fpu are used together.
3306 (rx_set_optimization_options): New function. Issue an error
3307 message if an optimization attribute attempts to reset the FPU/
3308 math optimization pairing.
3309 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3310 * config/rx/rx.opt: Set the default to 32-bit doubles.
3311 * config/rx/t-rx: Add multilibs for -nofpu option.
3312 * doc/invoke.texi: Update documentation of RX options.
3314 2010-01-06 Richard Guenther <rguenther@suse.de>
3316 * tree-ssa-pre.c (name_to_id): New global.
3317 (alloc_expression_id): Simplify SSA name handling.
3318 (lookup_expression_id): Likewise.
3319 (init_pre): Zero name_to_id.
3320 (fini_pre): Free it.
3322 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3324 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3326 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3329 * config/i386/sse.md (smaxv2di3): New.
3330 (umaxv2di3): Likewise.
3331 (sminv2di3): Likewise.
3332 (uminv2di3): Likewise.
3334 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3337 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3338 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3339 (legitimize_tls_address): Likewise.
3340 (sparc_tls_referenced_p): Likewise.
3341 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3342 and adjust calls to legitimize_pic_address.
3343 (legitimate_constant_p) Use sparc_tls_referenced_p.
3344 (legitimate_pic_operand_p): Likewise.
3345 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3346 (sparc_tls_symbol_ref_1): Delete.
3347 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3348 (legitimize_tls_address): Make static, handle CONST patterns.
3349 (legitimize_pic_address): Make static, remove unused parameter and
3350 adjust recursive calls.
3351 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3352 and adjust call to legitimize_pic_address.
3353 (sparc_output_mi_thunk): Likewise.
3355 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3356 H.J. Lu <hongjiu.lu@intel.com>
3359 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3360 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3361 operands to make them signed.
3364 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3367 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3368 GTU to GT for V4SI and V2DI.
3370 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3371 (umin<mode>3): Removed.
3373 (uminv4si3): Likewise.
3375 2010-01-05 Martin Jambor <mjambor@suse.cz>
3377 PR tree-optimization/42462
3378 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3379 current_function_decl to helper functions and macros.
3381 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3384 * flags.h: Don't include real.h.
3385 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3386 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3387 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3388 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3389 * dominance.c: Update copyright.
3390 * gimple.c (walk_gimple_op): Remove inline.
3391 * tree-ssa-reassoc.c: Include real.h.
3392 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3393 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3395 2010-01-05 Nick Clifton <nickc@redhat.com>
3397 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3398 register to push into the stack frame when the accumulator has to
3399 be saved during interrupts.
3401 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3403 * doc/invoke.texi: Remove the documentation about option
3405 * common.opt (Wunreachable-code): Preserved for backward
3407 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3408 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3409 the backward compatibility flag section.
3411 2010-01-05 Richard Guenther <rguenther@suse.de>
3413 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3415 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3418 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3420 PR tree-optimization/42508
3421 * tree-sra.c (convert_callers): Check for recursive call
3422 by comparing cgraph nodes instead of decls.
3423 (modify_function): Call ipa_modify_formal_parameters also
3424 on all same_body aliases.
3426 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3427 cgraph nodes when checking for same_body aliases.
3429 2010-01-05 Richard Guenther <rguenther@suse.de>
3431 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3432 allocation and lookup.
3433 (get_or_alloc_expr_for_constant): Likewise.
3434 (phi_translate): Sink allocation.
3436 2010-01-04 Richard Guenther <rguenther@suse.de>
3438 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3439 a new entry only if needed.
3440 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3441 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3443 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3445 (phi_translate): Handle CONSTANTs early.
3447 2010-01-04 Martin Jambor <mjambor@suse.cz>
3449 PR tree-optimization/42398
3450 * tree-sra.c (struct access): Removed flag grp_different_types.
3451 (dump_access): Do not dump the removed flag.
3452 (sort_and_splice_var_accesses): Do not set the removed flag.
3453 (sra_modify_expr): Check for type compatibility directly.
3455 2010-01-04 Martin Jambor <mjambor@suse.cz>
3457 PR tree-optimization/42366
3458 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3459 edges with variable number of parameters.
3460 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3461 flag instead of asserting it.
3462 (ipa_read_node_info): Read uses_analysis_done flag.
3464 2010-01-04 Richard Guenther <rguenther@suse.de>
3466 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3467 iterative_hash_* as intended.
3468 (vn_reference_compute_hash): Likewise. Simplify hashing
3470 (vn_reference_lookup_2): Likewise.
3471 (vn_nary_op_compute_hash): Likewise.
3472 (vn_phi_compute_hash): Likewise.
3473 (expressions_equal_p): Remove strange code.
3474 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3475 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3476 (bitmap_insert_into_set_1): Take value-id as parameter.
3477 (add_to_value): Pass it.
3478 (bitmap_insert_into_set): Likewise.
3479 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3481 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3484 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
3485 (do_self_spec): For switches with SWITCH_IGNORE set set also
3486 SWITCH_IGNORE_PERMANENTLY.
3487 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
3490 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
3492 * lto-streamer-out.c (output_unreferenced_globals): Output the full
3493 tree of an unreferenced global var.
3495 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3498 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3499 GTU to GT for V4SI and V2DI.
3501 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3502 (umin<mode>3): Removed.
3504 (uminv4si3): Likewise.
3506 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3509 * collect2.c (main): Turn on trace in collect2 if -v is passed
3512 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
3514 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
3515 description of expression operand.
3517 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
3519 * configure.ac: Add install-html to target_list for Make-hooks.
3520 * configure: Regenerate.
3521 * fortran/Make-lang.in (F95_HTMLFILES): New.
3522 (fortran.html): Use it.
3523 (fortran.install-html): New.
3524 * Makefile.in (install-html): Add lang.install-html.
3525 * java/Make-lang.in (JAVA_HTMLFILES): New.
3526 (java.html): Use it.
3527 (java.install-html): New.
3528 * objc/Make-lang.in (objc.install-html): New.
3529 * objcp/Make-lang.in (obj-c++.install-html): New.
3530 * cp/Make-lang.in (c++.install-html): New.
3531 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3532 * lto/Make-lang.in (lto.install-html): New.
3534 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3537 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3539 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3541 PR rtl-optimization/41862
3542 * store-motion.c (store_killed_in_insn, compute_store_table,
3543 remove_reachable_equiv_notes, replace_store_insn,
3544 build_store_vectors): Ignore all DEBUG_INSNs.
3546 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3549 * common.opt: Add dumpdir.
3551 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3553 (option_map): Add --dumpdir.
3555 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3557 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3559 * opts.c (decode_options): Try dump_dir_name first if
3560 dump_base_name isn't an absolute path.
3561 (common_handle_option): Handle OPT_dumpdir.
3563 * toplev.c (dump_dir_name): New.
3564 (print_switch_values): Also ignore -dumpdir.
3566 * toplev.h (dump_dir_name): New.
3568 2010-01-03 Richard Guenther <rguenther@suse.de>
3570 PR tree-optimization/42589
3571 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3572 double-word expansion of bswap32.
3574 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3576 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3577 with BLOCK_FOR_INSN.
3578 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3579 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3580 noce_process_if_block): Likewise.
3581 * gcse.c (compute_local_properties, insert_expr_in_table,
3582 insert_set_in_table, canon_list_insert, find_avail_set,
3583 pre_insert_copy_insn): Likewise.
3585 * basic-block.h (BLOCK_NUM): Move from here...
3586 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3588 2010-01-03 Richard Guenther <rguenther@suse.de>
3590 PR tree-optimization/42438
3591 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3592 contains_may_not_return_call flag.
3593 (BB_MAY_NOTRETURN): New.
3594 (valid_in_sets): Trapping nary operations are not valid
3595 in blocks that may not return.
3596 (insert_into_preds_of_block): Remove check for trapping expressions.
3597 (compute_avail): Compute also BB_MAY_NOTRETURN.
3599 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3601 * doc/invoke.texi: Add 2010 to copyright years.
3603 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3605 * config/sparc/sparc.c: Fix formatting nits.
3607 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3608 Alexander Monakov <amonakov@ispras.ru>
3610 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3612 2010-01-02 Richard Guenther <rguenther@suse.de>
3615 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3616 (simplify_switch_using_ranges): Mark to be removed edges
3619 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3621 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3623 * collect2.c (scan_libraries): Add missing argument in call to
3626 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3629 * config/alpha/predicates.md (aligned_memory_operand): Return false
3631 (unaligned_memory_operand): Return true for CQImode.
3632 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3633 doesn not cross aligned SImode word boundary.
3635 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3637 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3639 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3640 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3642 2010-01-02 Richard Guenther <rguenther@suse.de>
3645 * toplev.c (compile_file): Emit LTO marker properly. Change
3647 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3649 2010-01-01 Richard Guenther <rguenther@suse.de>
3652 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3654 2010-01-01 Richard Guenther <rguenther@suse.de>
3657 * c-decl.c (grokdeclarator): For zero-size arrays force
3658 structural equality checks as layout_type does.
3660 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3662 * builtins.c: Update copyright to 2010.
3664 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3667 * lto-streamer-out.c (produce_asm): Revert the last change.
3668 (copy_function): Likewise.
3670 * lto-streamer.c (lto_get_section_name): Skip any leading
3673 2010-01-01 Richard Guenther <rguenther@suse.de>
3676 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3680 Copyright (C) 2010 Free Software Foundation, Inc.
3682 Copying and distribution of this file, with or without modification,
3683 are permitted in any medium without royalty provided the copyright
3684 notice and this notice are preserved.