1 2010-05-20 Jakub Jelinek <jakub@redhat.com>
4 * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
5 setup_ref_regs for DEBUG_INSNs.
7 2010-05-20 Jan Hubicka <jh@suse.cz>
10 * varpool.c (varpool_remove_node): Handle in-varpool aliases.
12 2010-05-20 Kenneth Zadeck <zadeck@naturalbridge.com>
15 * df-scan.c (df_ref_compare): Stabilize sort.
17 2010-05-20 Jakub Jelinek <jakub@redhat.com>
19 * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
20 argument. Don't use DW_OP_piece if offset is non-zero,
21 put offset into second DW_OP_bit_piece argument.
22 (dw_sra_loc_expr): Adjust callers. For memory expressions
25 2010-05-20 Hans-Peter Nilsson <hp@axis.com>
28 * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
29 settings for 16-bit-constant "addo" alternative.
31 2010-05-19 James E. Wilson <wilson@codesourcery.com>
33 * config/mips/mips-dsp.md (add<DSPV:mode>3,
34 mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
37 * mips.c (mips_call_expr_from_insn): New arg second_call. Set it.
38 (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
41 2010-05-19 Joseph Myers <joseph@codesourcery.com>
43 * diagnostic.c (FLOAT, FFS): Don't undefine.
44 * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
45 * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
48 2010-05-19 Richard Sandiford <rdsandiford@googlemail.com>
50 * combine.c (propagate_for_debug): Call make_compound_operation
52 (try_combine): When implementing a split chosen by find_split_point,
53 either copy i2src or set it to null. Assert that i2src is not null
54 before substituting into CALL_INSN_FUNCTION_USAGE.
56 2010-05-19 Anatoly Sokolov <aesok@post.ru>
58 * double-int.h (double_int_ior): New function.
59 * tree.h (build_int_cst_wide_type): Remove.
60 * tree.c (build_int_cst_wide_type): Remove.
61 * fold-const.c (native_interpret_int): Use double_int_to_tree instead
62 of build_int_cst_wide_type.
63 * stor-layout.c (set_sizetype): (Ditto.).
64 * dojump.c (do_jump): Use build_int_cstu instead of
65 build_int_cst_wide_type.
67 2010-05-19 Eric Botcazou <ebotcazou@adacore.com>
69 * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
70 * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
71 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
72 * gimplify.c: (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
73 TARGET_EXPR nodes, but only once, if instructed to do so. Do not
74 propagate the 'data' argument to copy_tree_r.
75 (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
76 Propagate 'data' argument to walk_tree.
77 (copy_if_shared): New function.
78 (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
79 (unmark_visited): New function.
80 (unshare_body): Call copy_if_shared instead of doing it manually.
81 (unvisit_body): Call unmark_visited instead of doing it manually.
83 2010-05-19 Nathan Froyd <froydnj@codesourcery.com>
85 * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
86 (hook_tree_tree_int_treep_bool_null): ...this. Update signature.
88 * target-def.h (TARGET_FOLD_BUILTIN): Define to
89 hook_tree_tree_int_treep_bool_null.
90 * target.h: (struct gcc_target): Update signature of fold_builtin
92 * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
93 * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
94 instead of the call expression.
95 (fold_builtin_call_array): Pass n and argarray directly.
96 (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
98 * config/alpha/alpha.c (alpha_fold_builtin): Update signature. Lift
99 MAX_ARGS check out of the loop. Delete declaration of `arity', declare
100 `i' and use it in place of `arity'.
101 * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
102 Dereference `args' directly.
103 * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
105 2010-05-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
107 * doc/sourcebuild.texi (Effective-Target Keywords): Document
109 (Directives): Document optional dg-require-effective-target
112 2010-05-19 Richard Guenther <rguenther@suse.de>
115 * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
117 2010-05-19 Richard Guenther <rguenther@suse.de>
119 * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
120 * common.opt (fwhopr=): New.
121 * opts.c (common_handle_option): Handle OPT_fwhopr.
122 * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
123 * collect2.c (main): Match -fwhopr*.
124 * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
125 Execute ltrans stage in parallel when jobs is bigger than 1.
127 2010-05-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
129 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
130 pentiumpro on Solaris 8/x86 with Sun as.
131 * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
133 (gcc_cv_as_ix86_quad): Check for .quad directive.
134 * configure: Regenerate.
135 * config.in: Regenerate.
136 * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
138 2010-05-19 Martin Jambor <mjambor@suse.cz>
140 * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
141 also for indirect edges. Actual printing moved...
142 (ipa_print_node_jump_functions_for_edge): ...here.
143 (ipa_compute_jump_functions): Renamed to
144 ipa_compute_jump_functions_for_edge and made static.
145 (ipa_compute_jump_functions): New function.
146 (make_edge_direct_to_target): Check if the number of arguments on
147 the newly direct edge is the same as the number of parametrs of
149 * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
150 ipa_compute_jump_functions. Call ipa_analyze_params_uses.
151 * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
152 analysis functions unconditionally, call the new
153 ipa_analyze_params_uses on the node instead of every edge.
155 2010-05-19 Christian Borntraeger <borntraeger@de.ibm.com>
157 * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
159 (dump_mem_ref): Adopt debug code to handle a tree as step. This
160 also checks for a constant int vs. non-constant but
161 loop-invariant steps.
162 (find_or_create_group): Change the sort algorithm to only consider
163 steps that are constant ints.
164 (idx_analyze_ref): Adopt code to handle a tree instead of a
165 HOST_WIDE_INT for step.
166 (gather_memory_references_ref): Handle tree instead of int and be
167 prepared to see a NULL_TREE.
168 (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
169 prefetches if the step cannot be calculated at compile time.
170 (issue_prefetch_ref): Issue prefetches for non-constant but
171 loop-invariant steps.
173 2010-05-18 Nathan Froyd <froydnj@codesourcery.com>
176 2010-05-18 Nathan Froyd <froydnj@codesourcery.com>
178 * tree.h (build_call_list): Remove.
179 * tree.c (build_call_list): Remove.
181 2010-05-18 Nathan Froyd <froydnj@codesourcery.com>
183 * tree.h (build_call_list): Remove.
184 * tree.c (build_call_list): Remove.
186 2010-05-18 Jan Hubicka <jh@suse.cz>
188 * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
190 2010-05-18 Vladimir Makarov <vmakarov@redhat.com>
192 PR rtl-optimization/43332
193 * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
195 2010-05-18 Anatoly Sokolov <aesok@post.ru>
197 * tree.h (build_int_cstu): Implement as static inline.
198 * tree.c (build_int_cstu): Remove function.
199 (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
202 2010-05-18 Richard Guenther <rguenther@suse.de>
205 * lto-wrapper.c (verbose): New variable. Initialize from -v.
206 (debug): Initialize from -save-temps.
207 (collect_execute): Print command-line when verbose.
208 (run_gcc): Always use COLLECT_GCC_OPTIONS. Use fork_execute
209 for ltrans invocation. Produce -dumpbase flag again.
210 (process_args): Remove.
212 * collect2.c (maybe_run_lto_and_relink): Only pass object
213 files to lto-wrapper.
214 * gcc.c (LINK_COMMAND_SPEC): Likewise.
216 2010-05-18 Jan Hubicka <jh@suse.cz>
218 * opts.c (decode_options): Do not disable whopr at ipa_cp.
219 * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
221 2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
224 * lto-streamer-out.c (output_gimple_stmt): Output number of labels
226 * lto-streamer-in.c (input_gimple_stmt): Read number of labels
229 2010-05-18 Jakub Jelinek <jakub@redhat.com>
232 * var-tracking.c (find_loc_in_1pdv): Add a few checks from
235 2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
237 * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
238 lto-macho as lto_binary_reader.
240 * darwin.c (darwin_asm_named_section): Do not add assembler comment
241 after .section directive; just print it before the directive instead.
243 2010-05-17 Jan Hubicka <jh@suse.cz>
245 * cgraph.c (cgraph_create_virtual_clone): Only check
246 versionable_function_p when not in wpa and checking is enabled.
247 * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
248 there are no more functions to materialize.
250 2010-05-17 Jan Hubicka <jh@suse.cz>
252 * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
253 * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
255 (output_cgraph): Call output_cgraph_opt_summary.
256 (input_cgrpah): Call input_cgraph_opt_summary.
257 (output_cgraph_opt_summary_p, output_node_opt_summary,
258 input_node_opt_summary, input_cgraph_opt_section): New functions.
259 * lto-section-in.c (lto_section_name): Add cgraphopt.
260 * tree-inline.c (tree_function_versioning): Handle parm_num.
261 * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
262 * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
264 2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
266 * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
267 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
268 the insn to prefetch ratio heuristic to loops with known trip count.
270 2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
272 * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
273 (schedule_prefetches): Do not generate a prefetch if the unroll factor
274 is far from what is required by the prefetch.
276 2010-05-17 Jan Hubicka <jh@suse.cz>
278 * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
279 (ipcp_estimate_growth): Likewise.
280 (ipcp_const_param_count): Likewise.
281 (ipcp_insert_stage): Likewise.
282 * ipa-prop.c (visit_load_for_mod_analysis): New function.
283 (visit_store_addr_for_mod_analysis): Set used flag.
284 (ipa_detect_param_modifications): Set used flag for SSE params;
285 update use of walk_stmt_load_store_addr_ops.
286 (ipa_print_node_params): Print used flag.
287 (ipa_write_node_info): Stream used flag.
288 (ipa_read_node_info): Likewise.
289 * ipa-prop.h (struct ipa_param_descriptor): Add used field.
290 (ipa_is_param_used): New function.
291 (lto_ipa_fixup_call_notes): Remove unused declaration.
293 2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
296 * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
297 * configure: Regenerate.
298 * config.in: Regenerate.
299 * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
300 !HAVE_AS_IX86_REP_LOCK_PREFIX.
301 Don't emit whitespace.
302 * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
303 (*rep_movsi): Likewise.
304 (*rep_movsi_rex64): Likewise.
305 (*rep_movqi): Likewise.
306 (*rep_movqi_rex64): Likewise.
307 (*rep_stosdi_rex64): Likewise.
308 (*rep_stossi): Likewise.
309 (*rep_stossi_rex64): Likewise.
310 (*rep_stosqi): Likewise.
311 (*rep_stosqi_rex64): Likewise.
312 (*cmpstrnqi_nz_1): Use {%;} after repz.
313 (*cmpstrnqi_nz_rex_1): Likewise.
314 (*cmpstrnqi_1): Likewise.
315 (*cmpstrnqi_rex_1): Likewise.
316 (*strlenqi_1): Use {%;} after repnz.
317 (*strlenqi_rex_1): Likewise.
318 * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
319 (*sync_compare_and_swap<mode>): Likewise.
320 (sync_double_compare_and_swap<mode>): Likewise.
321 (*sync_double_compare_and_swapdi_pic): Likewise.
322 (sync_old_add<mode>): Likewise.
323 (sync_add<mode>): Likewise.
324 (sync_sub<mode>): Likewise.
325 (sync_<code><mode>): Likewise.
327 2010-05-17 Martin Jambor <mjambor@suse.cz>
329 * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
330 otr_token and polymorphic.
331 * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
332 (cgraph_clone_edge): Copy the above fields.
333 * tree.c (get_binfo_at_offset): New function.
334 * tree.h (get_binfo_at_offset): Declare.
335 * ipa-prop.h (enum jump_func_type): Added known_type jump function
336 type, reordered items, updated comments.
337 (union jump_func_value): Added base_type field, reordered fields.
338 (enum ipa_lattice_type): Moved down in the file.
339 (struct ipa_param_descriptor): New field polymorphic.
340 (ipa_is_param_polymorphic): New function.
341 * ipa-prop.c: Include gimple.h and gimple-fold.h.
342 (ipa_print_node_jump_functions): Print known type jump functions.
343 (compute_complex_pass_through): Renamed to...
344 (compute_complex_assign_jump_func): this.
345 (compute_complex_ancestor_jump_func): New function.
346 (compute_known_type_jump_func): Likewise.
347 (compute_scalar_jump_functions): Create known type and complex ancestor
349 (ipa_note_param_call): New parameter polymorphic, set the corresponding
350 flag in the call note accordingly.
351 (ipa_analyze_call_uses): Renamed to...
352 (ipa_analyze_indirect_call_uses): this. New parameter target, define
353 variable var only in the block where it is used.
354 (ipa_analyze_virtual_call_uses): New function.
355 (ipa_analyze_call_uses): Likewise.
356 (combine_known_type_and_ancestor_jfs): Likewise.
357 (update_jump_functions_after_inlining): Implemented handling of a
358 number of new jump function types combination.
359 (print_edge_addition_message): Removed.
360 (make_edge_direct_to_target): New function.
361 (try_make_edge_direct_simple_call): Likewise.
362 (try_make_edge_direct_virtual_call): Likewise.
363 (update_call_notes_after_inlining): Renamed to...
364 (update_indirect_edges_after_inlining): this. Moved edge creation for
365 indirect calls to try_make_edge_direct_simple_call, also calls
366 try_make_edge_direct_virtual_call for virtual calls.
367 (ipa_print_node_params): Changed the header message.
368 (ipa_write_jump_function): Stream also known type jump functions.
369 (ipa_read_jump_function): Likewise.
370 (ipa_write_indirect_edge_info): Stream new fields in
371 cgraph_indirect_call_info.
372 (ipa_read_indirect_edge_info): Likewise.
373 * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
376 2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
378 * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
380 2010-05-17 Nathan Froyd <froydnj@codesourcery.com>
382 * tree.h (CALL_EXPR_ARGS): Delete.
383 (call_expr_arglist): Delete.
384 * tree.c (call_expr_arglist): Delete.
385 * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
386 targetm.fold_builtin.
387 * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
388 Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
389 * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
390 arglist parameter. Use CALL_EXPR_ARG.
391 (picochip_expand_builtin_3op): Likewise.
392 (picochip_expand_builtin_2opvoid): Likewise.
393 (picochip_expand_array_get): Likewise.
394 (picochip_expand_array_put): Likewise.
395 (picochip_expand_array_testport): Likewise.
396 (picochip_expand_builtin): Don't call CALL_EXPR_ARGS. Pass exp
398 * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
400 * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
401 than TREE_VALUE and TREE_CHAIN.
402 * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
403 * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
406 2010-05-17 Jakub Jelinek <jakub@redhat.com>
409 * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
410 to have no fallthru edge.
413 * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
414 bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
415 mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
416 add BARRIER after previous bb if needed.
418 2010-05-17 Nathan Froyd <froydnj@codesourcery.com>
420 * tree.c (build_function_type_list_1): Remove bogus assert condition.
422 2010-05-17 Alan Modra <amodra@gmail.com>
424 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
425 unnecessary prototype. Replace copy_r12 and copy_r11 flag params
426 with copy_reg rtx param.
427 (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
428 Correct cases where code for ABI_V4 did not initialise the reg
429 used to access frame. Also leave frame_reg_rtx as sp for large
430 frames that save no regs.
432 2010-05-17 Martin Jambor <mjambor@suse.cz>
435 * tree-sra.c (create_access_replacement): New parameter rename, mark
436 the replaement for renaming only when it is true.
437 (get_access_replacement): Pass true in the rename parameter of
438 create_access_replacement.
439 (get_unrenamed_access_replacement): New function.
440 (replace_uses_with_default_def_ssa_name): New parameter racc, get the
441 replacement declaration from it.
443 2010-05-17 Bernd Schmidt <bernds@codesourcery.com>
445 * function.c (try_fit_stack_local, add_frame_space): New static
447 (assign_stack_local_1): Use them. Look for opportunities to use
448 space previously wasted on alignment.
449 * function.h (struct frame_space): New.
450 (struct rtl_data): Add FRAME_SPACE_LIST member.
451 * reload1.c (something_was_spilled): New static variable.
453 (reload): Test it in addition to testing if the frame size changed.
455 2010-05-17 Christian Borntraeger <borntraeger@de.ibm.com>
457 * config/s390/s390.c: Define sane prefetch settings and activate
458 flag_prefetch_loop_arrays on -O3.
459 * config/s390/s390.h: Declare that read can use write prefetch.
461 2010-05-17 Jakub Jelinek <jakub@redhat.com>
463 * lto-streamer-out.c (lto_output): Fix --enable-checking=release
466 2010-05-16 Jan Hubicka <jh@suse.cz>
468 * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
469 function body; do not check stdarg field of struct function.
471 2010-05-16 Jan Hubicka <jh@suse.cz>
473 * cgraph.c (dump_cgraph_node): Dump versionable flag.
474 * cgraph.h (cgraph_local_info): Add versionable flag.
475 * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
476 (ipcp_versionable_function_p): Use it.
477 * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
480 2010-05-16 Jan Hubicka <jh@suse.cz>
482 * cgraph.c (cgraph_clone_node): Take decl argument and insert
483 clone into hash when it is different from orig.
484 (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
485 * cgraph.h (cgraph_clone_node): Update prototype.
486 * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
487 (lto_cgraph_encoder_delete): Delete body map.
488 (lto_cgraph_encoder_size): Move to header.
489 (lto_cgraph_encoder_encode_body_p,
490 lto_set_cgraph_encoder_encode_body): New.
491 (lto_output_node): Do not take written_decls argument; output clone_of
493 (add_node_to): Add include_body_argument; call
494 lto_set_cgraph_encoder_encode_body on master of the clone.
495 (add_references): Update use of add_node_to.
496 (compute_ltrans_boundary): Likewise.
497 (output_cgraph): Do not create written_decls bitmap.
498 (input_node): Take nodes argument; stream in clone_of correctly.
499 (input_cgraph_1): Update use of input_node.
500 * lto-streamer-out.c (lto_output): Use encoder info to decide
501 what bodies to output.
502 * ipa-inline.c (cgraph_clone_inlined_nodes,
503 cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
504 * lto-streamer.h (lto_cgraph_encoder_d): Add body.
505 (lto_cgraph_encoder_size): Define here.
506 (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
509 2010-05-16 Richard Guenther <rguenther@suse.de>
511 * doc/invoke.texi (-fipa-struct-reorg): Do not mention
513 * ipa-type-escape.c (gate_type_escape_vars): Run when
514 -fipa-struct-reorg runs.
515 * opts.c (decode_options): Do not unset flag_ipa_type_escape.
516 * common.opt (fipa-type-escape): Remove.
518 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
520 * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
521 (decode_options): Likewise.
522 * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
524 2010-05-16 Jan Hubicka <jh@suse.cz>
526 * ipa.c (function_and_variable_visibility): Also bring local all
529 2010-05-16 Richard Guenther <rguenther@suse.de>
531 * alias.c (nonoverlapping_memrefs_p): Remove use of
532 IPA type-escape information.
534 2010-05-16 Joseph Myers <joseph@codesourcery.com>
536 * c-common.c (c_common_reswords): Add _Static_assert for C.
537 * c-parser.c (c_token_starts_declaration,
538 c_parser_next_token_starts_declaration,
539 c_parser_static_assert_declaration_no_semi,
540 c_parser_static_assert_declaration): New.
541 (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
542 Handle static assertions if static_assert_ok.
543 (c_parser_external_declaration, c_parser_declaration_or_fndef,
544 c_parser_compound_statement_nostart, c_parser_label,
545 c_parser_for_statement, c_parser_objc_methodprotolist,
546 c_parser_omp_for_loop): All callers of
547 c_parser_declaration_or_fndef changed.
548 (c_parser_struct_declaration): Handle static assertions.
549 (c_parser_compound_statement_nostart): Use
550 c_parser_next_token_starts_declaration and
551 c_token_starts_declaration to detect start of declarations.
552 (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
555 2010-05-16 Anatoly Sokolov <aesok@post.ru>
557 * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
558 LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
559 * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
560 TARGET_FUNCTION_VALUE_REGNO_P): Define.
561 (mmix_function_outgoing_value): Rename to...
562 (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
563 (mmix_function_value_regno_p): Make static.
564 (mmix_libcall_value): New function.
565 * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
566 mmix_function_value_regno_p): Remove declaration.
568 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
570 * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
571 BUILT_IN_ALLOCA if stack checking is enabled.
573 2010-05-16 Richard Guenther <rguenther@suse.de>
575 * var-tracking.c (vars_copy_1): Inline ...
576 (vars_copy): ... here. Use FOR_EACH_HTAB_ELEMENT.
577 (variable_union): Use FOR_EACH_HTAB_ELEMENT. Merge asserts.
578 (variable_merge_over_cur): Adjust. Merge asserts.
579 (variable_merge_over_src): Likewise.
580 (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
581 (variable_post_merge_new_vals): Merge asserts.
582 (variable_post_merge_perm_vals): Likewise.
583 (find_mem_expr_in_1pdv): Likewise.
584 (dataflow_set_different_value): Remove.
585 (onepart_variable_different_p): Merge asserts.
586 (variable_different_p): Likewise.
587 (dataflow_set_different_1): Inline ...
588 (dataflow_set_different): ... here. Use FOR_EACH_HTAB_ELEMENT.
589 (emit_notes_for_differences_1): Merge asserts.
591 2010-05-16 Richard Guenther <rguenther@suse.de>
593 * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
594 * optabs.c (libfunc_decl_hash): Likewise.
595 * varasm.c (emutls_decl): Likewise.
597 2010-05-16 Steven Bosscher <steven@gcc.gnu.org>
599 * c-decl.c: Don't include gimple.h.
600 (merge_decls): Do not copy gimple_body.
602 2010-05-15 Jason Merrill <jason@redhat.com>
604 * c.opt: Add -fnothrow-opt.
606 2010-05-15 Jan Hubicka <jh@suse.cz>
608 * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
610 * passes.c (ipa_write_summaries): Write all analyzed nodes.
612 2010-05-15 Steven Bosscher <steven@gcc.gnu.org>
614 * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
615 * Makefile.in: Add it.
616 Fix all other Makefile dependencies for changes below.
617 * tree.h: Include it instead of defining VEC primitives here.
618 * gimple.h: Likewise.
620 * tree-inline.h: Inlclude vecir.h instead of gimple.h.
621 * except.h: Include vecir.h, break dependence on tree.h.
623 * gimplify.c (append_to_statement_list_1, append_to_statement_list):
625 * tree-iterator.c: ...to here.
626 * tree-iterator.h: Fix file introduction comment. Add extern markers.
628 * c-lex.c: Include fixed-value.h instead of rtl.h. Do not include
630 * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
631 * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
632 integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
633 tree-mudflap.h, and target.h.
634 * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
635 predict.h, tree-inline.h, gimple.h, and langhooks.h.
636 * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
637 Add FIXME for why gimple.h is still included (should be unnecessary
638 since GCC 4.5 gimplification unit-at-a-time).
639 * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
640 * c-pragma.c: Add FIXME for why function.h needs to be included just
641 for cfun, at front-end level.
642 Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
643 Do not include ggc.h, but include vecprim.h for VEC(char).
644 * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
645 Explain why target.h is included.
646 * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
647 Explain why gimple.h is included.
648 * c-ppoutput.c: Do not include tm.h.
649 * c-common.c: Do not include gimple.h. Explain why expr.h is included.
650 * c-parses.c: Explain why rtl.h is included, and that this (and only
651 this) is also why tm.h must be included.
652 Do not include except.h.
653 * c-lang.c: Do not include ggc.h.
655 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
657 * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
659 2010-05-15 Joseph Myers <joseph@codesourcery.com>
661 * c-decl.c (grokfield): Allow typedefs for anonymous structs and
662 unions by default if those structs and unions have no tags. Do
663 not condition anonymous struct and unions handling on flag_iso.
664 Allow anonymous structs and unions for C1X.
665 (finish_struct): Do not diagnose lack of named fields when
666 anonymous structs and unions present for C1X. Accept flexible
667 array members in structure with anonymous structs or unions but no
668 directly named fields.
669 * doc/extend.texi (Unnamed Fields): Update.
671 2010-05-15 Eric Botcazou <ebotcazou@adacore.com>
673 * gimple.h (compare_field_offset): Rename into...
674 (gimple_compare_field_offset): ...this.
675 * gimple.c (compare_field_offset): Rename into...
676 (gimple_compare_field_offset): ...this. Compare the full access if
677 the offset is self-referential.
678 (gimple_types_compatible_p): Adjust for above renaming.
679 * lto-streamer-in.c (input_gimple_stmt): Likewise. Also compare the
680 DECL_NONADDRESSABLE_P flag of fields before merging them.
682 2010-05-15 Nathan Froyd <froydnj@codesourcery.com>
684 * tree.h (ctor_to_list): Delete.
685 * tree.c (ctor_to_list): Delete.
687 2010-05-15 Jan Hubicka <jh@suse.cz>
689 * ipa-reference.c: Include toplev.h
690 (is_proper_for_analysis): Only add to all_module_statics
692 (write_node_summary_p, stream_out_bitmap,
693 ipa_reference_write_optimization_summary,
694 ipa_reference_read_optimization_summary): New.
695 (struct ipa_opt_pass_d pass_ipa_reference): Add
696 optimization summary streaming.
697 * lto-cgraph.c (referenced_from_this_partition_p,
698 reachable_from_this_partition_p): New functions.
699 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
700 call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
701 * opts.c (decode_options): Enable ipa_reference.
702 * Makefile.in (ipa-reference.o): Add toplev.h dependency.
703 * lto-streamer.h (referenced_from_this_partition_p,
704 reachable_from_this_partition_p): Declare.
706 2010-05-15 Richard Guenther <rguenther@suse.de>
708 PR tree-optimization/44038
709 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
710 taking the address of a V_C_E of a constant.
712 2010-05-14 Jan Hubicka <jh@suse.cz>
714 * tree.h (memory_identifier_string): Remove.
715 * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
716 (ipa_reference_global_vars_info_d): Remove statics_not_read and
718 (ipa_reference_optimization_summary_d): New structure.
719 (ipa_reference_optimization_summary_t): New type and vector.
720 (ipa_reference_vars_info_d): Embedd structures instead of using
722 (reference_vars_to_consider): Remove out of GGC space.
723 (module_statics_escape): Remove.
724 (global_info_obstack): Rename to ...
725 (optimization_summary_obstack): ... this one.
726 (initialization_status_t): Remove.
727 (memory_identifier_string): Remove.
728 (get_reference_vars_info): Fix indenting.
729 (set_reference_vars_info): Likewise.
730 (get_reference_optimization_summary): New.
731 (set_reference_optimization_summary): New.
732 (get_global_reference_vars_info): Remove.
733 (ipa_reference_get_read_global): Remove.
734 (ipa_reference_get_written_global): Remove.
735 (ipa_reference_get_not_read_global): Update.
736 (ipa_reference_get_not_written_global): Update.
737 (is_proper_for_analysis): Outlaw addressable.
738 (propagate_bits): Update for new datastructures.
739 (analyze_variable): Remove.
740 (init_function_info): Update for new datastructures.
741 (clean_function_local_data): Remove.
742 (clean_function): Remove.
743 (copy_global_bitmap): Use optimizations_summary_obstack.
744 (duplicate_node_data): Duplicate optimization summary only.
745 (remove_node_data): Remove optimization summary only.
746 (generate_summary): Do not analyze variables; do not compute
747 module_statics_escape; do not prune solutions by it.
748 (read_write_all_from_decl): Fix typos in comments.
749 (propagate): Doscover readonly and nonaddressable first;
750 update for new datastructures; share global bitmaps.
751 * ipa-reference.h (ipa_reference_get_read_global,
752 ipa_reference_get_written_global): Remove.
753 * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
754 * Makefile.in: Remove ipa-refereference from GT files.
756 2010-05-14 Jakub Jelinek <jakub@redhat.com>
759 * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
760 for all SYMBOL_REF_DECLs.
762 2010-05-14 Jan Hubicka <jh@suse.cz>
764 * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
765 (varpool_all_refs_explicit_p): New inline function.
766 * ipa-reference.c: Update comment.
767 (module_statics_written): Remove.
768 (get_static_decl): Remove.
769 (ipa_init): Do not initialize module_statics_written.
770 (analyze_function): Likewise.
771 (generate_summary): Likewise; do not compute module_statics_readonly
772 and do not update variable flags.
773 (propagate): Call ipa_discover_readonly_nonaddressable_vars.
774 * ipa.c: Inlucde flags.h
775 (cgraph_local_node_p): New.
776 (cgraph_remove_unreachable_nodes): Return early when not optimizing;
777 promote functions to local.
778 (ipa_discover_readonly_nonaddressable_vars): New function.
779 (function_and_variable_visibility): Use cgraph_local_node_p.
780 * varpool.c (varpool_finalize_decl): Set force_output for
781 DECL_PRESERVE_P vars.
783 2010-05-14 Jan Hubicka <jh@suse.cz>
785 * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
787 2010-05-14 Richard Guenther <rguenther@suse.de>
789 PR tree-optimization/44119
790 * tree-ssa-pre.c (eliminate): Properly mark replacement of
791 a PHI node necessary.
793 2010-05-14 Eric Botcazou <ebotcazou@adacore.com>
795 * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
797 2010-05-14 Jason Merrill <jason@redhat.com>
800 * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
801 (gimple_call_set_nothrow): New.
802 * gimple.c (gimple_build_call_from_tree): Call it.
803 (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
806 * gimplify.c (gimplify_seq_add_stmt): No longer static.
807 * gimple.h: Declare it.
808 * gimple.c (gimple_build_eh_filter): No ops.
810 2010-05-14 Jan Hubicka <jh@suse.cz>
812 * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
813 nodes already in queue.
814 (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
817 2010-05-14 Jakub Jelinek <jakub@redhat.com>
820 * cfgexpand.c (expand_debug_expr): If non-memory op0
821 has BLKmode, return NULL.
823 2010-05-14 Harsha Jagasia <harsha.jagasia@amd.com>
825 * config.gcc: Add support for --with-cpu option for bdver1.
826 * config/i386/i386.h (TARGET_BDVER1): New macro.
827 (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
828 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
829 (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
830 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
831 Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
832 (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
833 (processor_type): Add PROCESSOR_BDVER1.
834 * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
835 processor_type in config/i386/i386.h.
836 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
837 movaps <reg, reg> instead of movapd <reg, reg> when replacing
838 movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
839 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
840 to emit packed xor instead of packed double/packed integer
841 xor for SSE and AVX when moving a zero value.
842 * config/i386/sse.md: Add check for
843 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
844 movapd/movdqa for SSE and AVX.
845 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
846 single logical operations i.e and, or and xor instead of packed double
847 logical operations for SSE and AVX.
848 * config/i386/i386-c.c (ix86_target_macros_internal):
849 Add PROCESSOR_BDVER1.
850 * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
851 (has_fma4, has_xop): New.
852 * config/i386/i386.c (bdver1_cost): New variable.
853 (m_BDVER1): New macro.
854 (m_AMD_MULTIPLE): Add m_BDVER1.
855 (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
856 x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
857 x86_tune_use_simode_fiop, x86_tune_promote_qimode,
858 x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
859 x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
860 x86_tune_sse_partial_reg_dependency,
861 x86_tune_sse_unaligned_load_optimal,
862 x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
863 x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
864 x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
865 x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
866 x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
867 Enable/disable for bdver1.
868 (processor_target_table): Add bdver1_cost.
869 (cpu_names): Add bdver1.
870 (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
871 processor_alias_table.
872 (ix86_expand_vector_move_misalign): Change.
873 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
874 Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
875 Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
876 of movupd/movdqu for SSE and AVX.
877 (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
878 (ix86_tune_adjust_cost): Add code for bdver1.
879 (standard_sse_constant_opcode): Add check for
880 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
881 of packed double xor for SSE and AVX.
883 2010-05-14 Pat Haugen <pthaugen@us.ibm.com>
885 * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
888 2010-05-14 Tristan Gingold <gingold@adacore.com>
890 * toplev.c (default_debug_hooks): Remove this variable.
891 (process_options): Remove assignments to default_debug_hooks.
893 2010-05-14 Martin Jambor <mjambor@suse.cz>
895 * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
896 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
897 * langhooks.h (struct lang_hooks_for_decls): Removed field
899 * tree.c (free_lang_data): Remove assignment to
900 lang_hooks.fold_obj_type_ref.
901 * tree.def (OBJ_TYPE_REF): Update comment.
903 2010-05-14 Richard Guenther <rguenther@suse.de>
905 PR tree-optimization/44124
906 * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
908 2010-05-14 Alan Modra <amodra@gmail.com>
911 * config/rs6000/rs6000.c (struct machine_function): Reorder
912 fields for better packing. Add lr_save_state.
913 (rs6000_ra_ever_killed): Return lr_save_state if set.
914 (rs6000_emit_eh_reg_restore): Set lr_save_state.
916 2010-05-13 Jan Hubicka <jh@suse.cz>
918 * varpool.c (decide_is_variable_needed): Drop code checking
919 TREE_SYMBOL_REFERENCED.
921 2010-05-13 Jan Hubicka <jh@suse.cz>
923 * final.c (output_addr_const): Do not call mark_decl_referenced.
924 * cgraphunit.c (process_function_and_variable_attributes): Use
925 mark_needed_node dirrectly.
926 (assemble_thunk): Do not call mark_decl_referenced.
928 2010-05-13 Anatoly Sokolov <aesok@post.ru>
930 * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
932 2010-05-13 Jeff Law <law@redhat.com>
934 * ira-conflicts.c (print_allocno_conflicts): New function broken out
936 (print_conflicts): Call print_allocno_conflicts.
938 2010-05-13 Jakub Jelinek <jakub@redhat.com>
941 * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
944 2010-05-13 Kai Tietz <kai.tietz@onevision.com>
946 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
947 t-mingw-w64 or t-mingw-w32 for multilib configuration.
948 * config/i386/t-mingw-w32: New.
949 * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
951 2010-05-13 Martin Jambor <mjambor@suse.cz>
953 * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
955 * gimple-fold.c (get_base_binfo_for_type): New function.
956 (gimple_get_relevant_ref_binfo): Likewise.
957 (gimple_fold_obj_type_ref_known_binfo): Likewise.
958 (gimple_fold_obj_type_ref): Likewise.
959 (fold_gimple_call): Simplify condition for folding virtual calls
960 and call gimple_fold_obj_type_ref.
961 * gimple.h (gimple_get_relevant_ref_binfo): Declare.
962 (gimple_fold_obj_type_ref_known_binfo): Likewise.
964 2010-05-13 Andreas Schwab <schwab@linux-m68k.org>
966 * config/rs6000/rs6000-protos.h
967 (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
968 * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
969 (rs6000_debug_mode_dependent_address)
970 (rs6000_mode_dependent_address_ptr): Likewise.
972 2010-05-13 Jakub Jelinek <jakub@redhat.com>
975 * var-tracking.c (track_expr_p): Allow tracking of variables optimized
977 * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
978 * tree-sra.c (create_access_replacement): Call unshare_expr before
979 passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
980 * dwarf2out.c: Include tree-flow.h.
981 (struct var_loc_node): Rename var_loc_note field to loc, add comment.
982 (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
983 Handle DW_OP_bit_piece.
984 (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
985 construct_piece_list, adjust_piece_list): New functions.
986 (add_var_loc_to_decl): Handle SRA optimized variables.
987 Adjust for var_loc_note to loc field renaming.
988 (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
989 in VAR_LOCATION note.
990 (new_loc_descr_op_bit_piece): New function.
991 (dw_sra_loc_expr): New function.
992 (dw_loc_list): Use it. Don't handle the last range after the
993 loop, handle it inside of the loop. Adjust for var_loc_note
994 to loc field renaming.
995 (add_location_or_const_value_attribute): Only special case
996 single entry loc lists if loc is NOTE_P. Adjust for
997 var_loc_note to loc field renaming.
998 (dwarf2out_var_location): Don't set newloc->var_loc_note
999 and newloc->next here.
1001 2010-05-12 Jan Hubicka <jh@suse.cz>
1003 * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
1005 * cgraph.h (cgraph_only_called_directly_p,
1006 cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
1007 (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
1008 * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
1010 * ipa.c (cgraph_remove_unreachable_nodes): Use
1011 cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
1013 * tree-inline.c (copy_bb): Check address_taken flag.
1014 * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
1015 externally_visible flag.
1017 2010-05-12 Jason Merrill <jason@redhat.com>
1021 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
1022 * sdbout.c (plain_type_1): Likewise.
1023 * dwarf2out.c (is_base_type): Likewise.
1024 (gen_type_die_with_usage): Likewise. Generate
1025 DW_TAG_unspecified_type for any LANG_TYPE.
1027 2010-05-12 Jan Hubicka <jh@suse.cz>
1029 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
1031 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
1032 (cgraph_clone_edge): Update.
1033 (cgraph_node_remove_callees): Remove indirect calls too.
1034 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
1035 (cgraph_create_indirect_edge): Update prototype.
1036 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
1037 is_proper_for_analysis.
1038 (add_new_function, visited_nodes, function_insertion_hook_holder,
1039 get_local_reference_vars_info, mark_address_taken, mark_address,
1040 mark_load, mark_store, check_asm_memory_clobber, check_call,
1041 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
1042 (ipa_init): Do not initialize visited_nodes;
1043 function_insertion_hook_holder.
1044 (analyze_variable): Rewrite.
1045 (analyze_function): Rewrite.
1046 (copy_local_bitmap): Remove.
1047 (duplicate_node_dat): Do not duplicate local info.
1048 (generate_summary): Simplify to only walk cgraph.
1049 (write_node_summary_p, ipa_reference_write_summary,
1050 ipa_reference_read_summary): Remove.
1051 (propagate): Do not remove function insertion;
1053 (pass_ipa_reference): NULLify summary handling fields.
1054 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
1055 (input_edge): Input ecf_flags.
1056 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
1057 (update_indirect_edges_after_inlining): Ignore edges with unknown
1060 2010-05-12 Sriraman Tallam <tmsriram@google.com>
1062 * implicit-zee.c: New file.
1063 * tree-pass.h (pass_implicit_zee): Declare.
1064 * passes.c (init_optimization_passes): Add zee pass.
1065 * common.opt (fzee): New flag.
1066 * timevar.def (TV_ZEE): Define.
1067 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
1069 * Makefile.in (implicit-zee.o): Add new build file.
1071 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
1072 Nathan Froyd <froydnj@codesourcery.com>
1074 * c-common.c (sync_resolve_params): Remove write-only variable.
1076 2010-05-12 Anatoly Sokolov <aesok@post.ru>
1078 * target.h (struct gcc_target): Add mode_dependent_address_p field.
1079 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1080 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
1081 * targhooks.c (default_mode_dependent_address_p): New function.
1082 * targhooks.h (default_mode_dependent_address_p): Declare function.
1083 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1084 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
1085 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
1086 target hook. Change return type to bool.
1087 * recog.h: (mode_dependent_address_p): Change return type to bool.
1089 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
1090 Nathan Froyd <froydnj@codesourcery.com>
1092 * tree-mudflap.c (build_function_type_0, build_function_type_1,
1093 build_function_type_2, build_function_type_3): Remove.
1094 (mudflap_init): Use build_function_type_list.
1096 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
1097 Nathan Froyd <froydnj@codesourcery.com>
1099 * coverage.c (build_fn_info_value): Call build_constructor instead of
1100 build_constructor_from_list.
1101 (build_ctr_info_value): Likewise.
1102 (build_gcov_info): Likewise.
1104 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
1106 * tree.c (build_constructor): Compute TREE_CONSTANT for the
1107 resultant constructor.
1108 (build_constructor_single): Don't set TREE_CONSTANT.
1109 (build_constructor_from_list): Don't compute TREE_CONSTANT.
1111 2010-05-12 Jan Hubicka <jh@suse.cz>
1113 * cgraph.h (struct varpool_node): Add aux.
1114 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
1115 * varpool.c (varpool_remove_node): Do not remove initializer.
1116 (varpool_reset_queue): Export.
1117 (varpool_finalize_decl): Volatile vars are forced to be output.
1118 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
1120 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
1121 process_references, varpool_can_remove_if_no_refs): New functions.
1122 (cgraph_remove_unreachable_nodes): Handle variables too.
1124 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
1127 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
1129 2010-05-12 Jakub Jelinek <jakub@redhat.com>
1132 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
1133 change value of ORT_TASK.
1134 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
1135 (omp_notice_threadprivate_variable): New function.
1136 (omp_notice_variable): Call it for threadprivate variables.
1137 If enclosing ctx is a task, print enclosing task rather than
1138 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
1139 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
1140 if task has untied clause.
1143 * dwarf2out.c (base_type_die): Don't add name attribute here.
1144 (modified_type_die): Instead of sizetype use
1145 its underlying original type. If a DW_TAG_base_type doesn't
1146 have name added, add __unknown__.
1147 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
1148 always call force_type_die instead.
1150 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
1152 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
1153 for __stack_chk_guard.
1155 2010-05-11 Jakub Jelinek <jakub@redhat.com>
1157 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
1158 don't call start_source_file debug hook here...
1159 (finish_options): ... but here, after outputting predefined and
1160 command line defines and undefs.
1163 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
1165 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
1166 optimizing away empty bb with no successors, move over its
1167 footer chain to fallthru predecessor.
1168 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
1169 (rtl_split_edge): For asm goto call patch_jump_insn even if
1170 splitting fallthru edge.
1173 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
1174 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
1175 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
1176 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
1180 * c-parser.c (c_parser_expression): Mark LHS of a comma
1181 expression as read if it is a decl, handled component or
1182 COMPOUND_EXPR with that on the RHS.
1183 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
1184 if it is a decl or handled component.
1186 2010-05-11 Jan Hubicka <jh@suse.cz>
1188 * lto-symtab.c (lto_symtab_free): New function.
1189 * lto-streamer.h (lto_symtab_free): Declare.
1191 2010-05-11 Jan Hubicka <jh@suse.cz>
1193 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
1194 that if function is needed it is reachable.
1195 (lto_output_node): See if it the function is reachable or referenced.
1196 (output_cgraph): Update call of lto_output_node.
1197 * lto-streamer.h (reachable_from_other_partition_p): Declare.
1199 2010-05-11 Jan Hubicka <jh@suse.cz>
1201 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
1204 2010-05-11 Jan Hubicka <jh@suse.cz>
1206 PR tree-optimize/44063
1207 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
1209 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
1211 (estimate_function_body_sizes): Compute sizes even when disregarding.
1213 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
1215 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
1217 2010-05-11 Jan Hubicka <jh@suse.cz>
1219 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
1220 into every boundary.
1222 2010-05-11 Jan Hubicka <jh@suse.cz>
1224 * matrix-reorg.c (matrix_reorg): Rebuild edges.
1226 2010-05-11 Jan Hubicka <jh@suse.cz>
1228 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
1229 lto_streamer_cache_delete): Put nodes into heap.
1230 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
1233 2010-05-11 Jan Hubicka <jh@suse.cz>
1235 * cgraphbuild.c (cgraph_rebuild_references): New.
1236 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
1238 * cgraph.h (cgraph_rebuild_references): Declare.
1239 * tree-inline.c (tree_function_versioning): Use it.
1240 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
1242 2010-05-11 Jan Hubicka <jh@suse.cz>
1244 * cgraph.c: Include ipa-utils.h
1245 (cgraph_create_virtual_clone): Update references.
1246 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
1248 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
1250 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
1251 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
1254 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
1256 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
1258 2010-05-11 Jakub Jelinek <jakub@redhat.com>
1260 * gcc.c (execute): For -### don't quote arguments that
1261 contain just alphanumerics and _/-. characters.
1262 * doc/invoke.texi: Document that change for -###.
1265 * df-problems.c (struct dead_debug): Add to_rescan field.
1266 (dead_debug_init): Clear to_rescan field.
1267 (dead_debug_finish): Rescan all debug insns in to_rescan
1268 bitmap and free the bitmap.
1269 (dead_debug_insert_before): Instead of rescanning debug insns
1270 immediately queue their rescanning until dead_debug_finish.
1271 (df_note_bb_compute): After dead_debug_add do continue instead
1274 2010-05-10 Jakub Jelinek <jakub@redhat.com>
1277 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1278 clear also INSN_REG_USE_LIST.
1280 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1282 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1284 2010-05-10 Jan Hubicka <jh@suse.cz>
1286 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1289 2010-05-10 Jan Hubicka <jh@suse.cz>
1291 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1293 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1294 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1295 (lto_streamer_cache_create): Init alloc pool.
1296 (lto_streamer_cache_delete): Free alloc pool.
1297 * lto-streamer.h: Include alloc pool.
1298 (lto_streamer_cache_d): Use alloc pool.
1299 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1301 2010-05-10 Jan Hubicka <jh@suse.cz>
1303 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1304 * cgraphbuild.c: Include except.h
1305 (record_type_list, record_eh_tables): New function.
1306 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1308 2010-05-10 Jan Hubicka <jh@suse.cz>
1310 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1311 __frame_dummy_init_array_entry, force_to_data): Attribute as used
1314 2010-05-10 Michael Matz <matz@suse.de>
1316 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1317 (can_reassociate_p): Use FLOAT_TYPE_P.
1318 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1319 (vect_force_simple_reduction): ... this.
1320 * tree-parloops.c (gather_scalar_reductions): Use
1321 vect_force_simple_reduction.
1322 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1323 vect_is_simple_reduction, add modify argument, if true rewrite
1324 "a-b" into "a+(-b)".
1325 (vect_is_simple_reduction, vect_force_simple_reduction): New
1327 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1329 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
1330 Vladimir Makarov <vmakarov@redhat.com>
1332 PR rtl-optimization/44012
1333 * ira-build.c (remove_unnecessary_allocnos): Nullify
1334 regno_allocno_map of the removed allocno.
1336 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1338 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1340 * configure: Regenerate.
1342 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1344 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1346 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1347 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1349 * configure: Regenerate.
1351 2010-05-10 Richard Guenther <rguenther@suse.de>
1353 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1354 marked if the entry identifier is marked.
1356 2010-05-10 Richard Guenther <rguenther@suse.de>
1358 * c-common.c (struct c_common_attributes): Add fnspec attribute.
1359 (handle_fnspec_attribute): New function.
1360 * gimple.h (gimple_call_return_flags): Declare.
1361 (gimple_call_arg_flags): Likewise.
1362 * gimple.c (gimple_call_arg_flags): New function.
1363 (gimple_call_return_flags): Likewise.
1364 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1366 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1368 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1369 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1371 (make_heapvar_for): ... this new function.
1372 (handle_rhs_call): Handle fnspec attribute argument specifiers.
1373 (handle_lhs_call): Likewise.
1374 (find_func_aliases): Adjust.
1376 2010-05-10 Richard Guenther <rguenther@suse.de>
1378 PR tree-optimization/44050
1379 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1381 2010-05-10 Wei Guozhi <carrot@google.com>
1384 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1386 2010-05-09 Joseph Myers <joseph@codesourcery.com>
1389 * c-typeck.c (lookup_field): Take a type directly. Update
1391 (build_component_ref): Update call to lookup_field.
1392 (set_init_label): Use lookup_field to find initialized field.
1393 Handle returned list of fields like a sequence of designators.
1395 2010-05-09 Richard Guenther <rguenther@suse.de>
1398 * fold-const.c (tree_single_nonzero_warnv_p): Properly
1399 handle &FUNCTION_DECL.
1401 2010-05-09 Joseph Myers <joseph@codesourcery.com>
1404 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
1405 structures and unions recursively.
1406 (detect_field_duplicates): Move duplicate detection with a hash to
1407 detect_field_duplicates_hash. Always use a hash if anonymous
1408 structures or unions are present.
1409 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1412 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
1415 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1416 detect Atom, Core 2 and Core i7.
1418 2010-05-09 Richard Guenther <rguenther@suse.de>
1420 * gcc.c (store_arg): Handle temporary file deletion for
1423 2010-05-09 Richard Guenther <rguenther@suse.de>
1426 * ipa-inline.c (estimate_function_body_sizes): Return after
1427 disregarding inline limits.
1429 2010-05-09 Richard Guenther <rguenther@suse.de>
1431 * gcc.c (store_arg): Revert last change.
1433 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
1436 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1437 (optimize_ops_list): Call it.
1439 2010-05-08 Richard Guenther <rguenther@suse.de>
1441 PR tree-optimization/44030
1442 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
1443 NECESSARY flag if we propagate from a inserted expression.
1445 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
1447 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1448 domain types as equal if they are both PLACEHOLDER_EXPRs.
1450 2010-05-08 Richard Guenther <rguenther@suse.de>
1452 * lto-wrapper.c (run_gcc): Remove linker output from
1453 command line for LTRANS invocation.
1455 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1457 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1458 lto-macho as lto_binary_reader.
1459 * target.h (struct gcc_target): New hooks lto_start and lto_end.
1460 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1461 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1462 in lto_start and lto_end calls.
1463 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
1465 (scan_prog_file): Update is_elf_or_coff call.
1466 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1468 * collect2.c (main): Fix enum comparison.
1470 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1472 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1473 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
1474 and TARGET_ASM_LTO_END.
1475 * darwin.c: Include obstack.h and lto-streamer.h.
1476 (lto_section_names_offset, lto_section_names_obstack,
1477 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1479 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1480 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
1481 to a temporary file.
1482 (darwin_asm_lto_end): New function. Restore asm_out_file.
1483 (darwin_asm_named_section): For LTO sections, replace the name with
1484 the offset of the section name in a string table, and build this
1486 (darwin_file_start): Initialize global vars for LTO support.
1487 (darwin_file_end): If output to asm_out_file was redirected, append it
1488 to the proper asm_out_file here. Add the section names section.
1490 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1492 * c-pragma.c (pending_weak_d, pending_weak): New.
1493 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1494 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1495 handle_pragma_weak): Update the uses of pending_weaks.
1497 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1499 PR documentation/44016
1500 * doc/standards.texi (Standards): Link to unversioned
1501 cxx0x_status.html page.
1503 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
1506 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1507 in addition to TREE_USED, to avoid "set but unused" warnings.
1509 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1511 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1512 (is_loop_prefetching_profitable): Do not insert prefetches
1513 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1514 times the prefetch ahead distance.
1516 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1518 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1519 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1520 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1523 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1525 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1526 a diagnostic info when the insn-to-mem ratio is too small.
1528 2010-05-07 Richard Guenther <rguenther@suse.de>
1530 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1532 (store_arg): Queue temp_filename for deletion instead of
1535 2010-05-07 Richard Guenther <rguenther@suse.de>
1537 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1538 (run_gcc): Handle LTRANS phase invocation.
1539 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1541 2010-05-07 Jakub Jelinek <jakub@redhat.com>
1543 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1544 this is also meaningful on PARM_DECLs and RESULT_DECLs.
1546 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1548 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1550 2010-05-07 Richard Guenther <rguenther@suse.de>
1552 PR tree-optimization/44020
1553 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1554 code when PRE is not yet initialized.
1556 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1558 * config/mips/dbxmdebug.h: Remove.
1559 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1561 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
1563 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1564 with null pointer and also warn about ordered comparison of zero with
1567 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1569 * graphite-blocking.c
1570 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1571 * graphite-clast-to-gimple.c
1572 (clast_to_gcc_expression): Same.
1573 (precision_for_value): Same.
1574 (precision_for_interval): Same.
1575 (gcc_type_for_interval): Same.
1576 (graphite_create_new_guard): Same.
1577 (compute_bounds_for_level): Same.
1578 (graphite_create_new_loop_guard): Same.
1579 * graphite-interchange.c
1580 (build_linearized_memory_access): Same.
1581 (pdr_stride_in_loop): Same.
1582 (memory_strides_in_loop_1): Same.
1583 (memory_strides_in_loop): Same.
1584 (extend_scattering): Same.
1585 (psct_scattering_dim_for_loop_depth): Same.
1586 (pbb_number_of_iterations): Same.
1588 (debug_iteration_domains): Same.
1590 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1591 (ppl_set_inhomogeneous_gmp): Same.
1592 (ppl_strip_loop): Same.
1593 (ppl_lexico_compare_linear_expressions): Same.
1594 (ppl_read_polyhedron_matrix): Same.
1595 (ppl_max_for_le_pointset): Same.
1597 (ppl_read_polyhedron_matrix): Same.
1598 (tree_int_to_gmp): Same.
1599 (gmp_cst_to_tree): Same.
1600 (ppl_set_inhomogeneous): Same.
1601 (ppl_set_inhomogeneous_tree): Same.
1602 (ppl_set_coef): Same.
1603 (ppl_set_coef_tree): Same.
1604 * graphite-sese-to-poly.c
1605 (build_pbb_scattering_polyhedrons): Same.
1606 (build_scop_scattering): Same.
1607 (scan_tree_for_params_right_scev): Same.
1608 (scan_tree_for_params): Same.
1609 (find_params_in_bb): Same.
1610 (find_scop_parameters): Same.
1611 (add_upper_bounds_from_estimated_nit): Same.
1612 (build_loop_iteration_domains): Same.
1613 (add_condition_to_domain): Same.
1614 (pdr_add_memory_accesses): Same.
1616 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1618 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1619 CLooG's value_* macros to their respective mpz_* counterparts.
1620 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1621 (graphite_create_new_loop_guard): Same.
1622 * graphite-interchange.c (build_linearized_memory_access): Same.
1623 (pdr_stride_in_loop): Same.
1624 (memory_strides_in_loop_1): Same.
1625 (1st_interchange_profitable_p): Same.
1626 * graphite-poly.c (extend_scattering): Same.
1627 (psct_scattering_dim_for_loop_depth): Same.
1628 (pbb_number_of_iterations): Same.
1629 (pbb_number_of_iterations_at_time): Same.
1630 * graphite-poly.h (new_1st_loop): Same.
1631 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1632 (oppose_constraint): Same.
1633 (insert_constraint_into_matrix): Same.
1634 (ppl_set_inhomogeneous_gmp): Same.
1635 (ppl_set_coef_gmp): Same.
1636 (ppl_strip_loop): Same.
1637 (ppl_lexico_compare_linear_expressions): Same.
1638 (ppl_max_for_le_pointset): Same.
1639 (ppl_min_for_le_pointset): Same.
1640 (ppl_build_realtion): Same.
1641 * graphite-ppl.h (gmp_cst_to_tree): Same.
1642 (ppl_set_inhomogeneous): Same.
1643 (ppl_set_inhomogeneous_tree): Same.
1644 (ppl_set_coef): Same.
1645 (ppl_set_coef_tree): Same.
1646 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1647 (build_scop_scattering): Same.
1648 (add_value_to_dim): Same.
1649 (scan_tree_for_params_right_scev): Same.
1650 (scan_tree_for_params_int): Same.
1651 (scan_tree_for_params): Same.
1652 (find_params_in_bb): Same.
1653 (find_scop_parameters): Same.
1654 (add_upper_bounds_from_estimated_nit): Same.
1655 (build_loop_iteration_domains): Same.
1656 (create_linear_expr_from_tree): Same.
1657 (add_condition_to_domain): Same.
1658 (pdr_add_memory_accesses): Same.
1660 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
1661 Jason Merrill <jason@redhat.com>
1663 * c-common.c (c_common_reswords): Add nullptr.
1664 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
1665 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1666 (gen_type_die_with_usage): Likewise.
1667 * dbxout.c (dbxout_type): Likewise.
1668 * sdbout.c (plain_type_1): Likewise.
1670 2010-05-06 Jason Merrill <jason@redhat.com>
1672 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1673 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
1675 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1677 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1678 stripping WITH_SIZE_EXPR.
1679 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1682 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1684 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1685 list of obsolete configurations.
1686 Disabled check for obsolete configurations.
1687 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1688 Removed support for previous versions.
1689 * config/mips/iris.h: Removed.
1690 * config/mips/iris5.h: Removed.
1691 * config/mips/iris6.h: Merged old iris.h contents.
1692 (TARGET_IRIX): Removed.
1693 (DRIVER_SELF_SPECS): Removed mabi=32.
1694 (IDENT_ASM_OP): Removed undef.
1695 (STARTFILE_SPEC): Removed mabi=32.
1696 (ENDFILE_SPEC): Likewise.
1697 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1698 (MACHINE_TYPE): Update for IRIX 6.5.
1699 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1700 TARGET_IRIX by TARGET_IRIX6.
1701 (mips_file_start): Likewise.
1702 (mips_output_external): Remove IRIX 5/6 O32 support.
1703 (mips_output_function_prologue): Likewise.
1704 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1706 (TARGET_CPU_CPP_BUILTINS): Likewise.
1707 (TARGET_IRIX): Removed.
1708 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1709 (MULTILIB_DIRNAMES): Removed 32.
1710 (MULTILIB_OSDIRNAMES): Removed ../lib.
1711 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1712 (Specific, mips-sgi-irix5): Document removal.
1713 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1714 Remove references to older IRIX 6 releases and the O32 ABI.
1716 2010-05-06 Jakub Jelinek <jakub@redhat.com>
1719 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1720 instead of DF_REF_REAL_REG.
1722 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
1725 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1726 handling to still return true for x64 targets.
1728 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1730 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1732 2010-05-06 Jan Hubicka <jh@suse.cz>
1734 PR tree-optimization/43791
1735 * ipa-inline.c (update_caller_keys): Remove bogus
1736 disregard_inline_limits check.
1738 2010-05-06 Michael Matz <matz@suse.de>
1740 PR tree-optimization/43984
1741 * tree-ssa-pre.c (inserted_phi_names): Remove.
1742 (inserted_exprs): Change to bitmap.
1743 (create_expression_by_pieces): Set bits, don't append to vector.
1744 (insert_into_preds_of_block): Don't handle inserted_phi_names.
1745 (eliminate): Don't look at inserted_phi_names, remove deleted
1746 insns from inserted_exprs.
1747 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1748 (init_pre, fini_pre): Allocate and free bitmaps.
1749 (execute_pre): Insert insns on edges before elimination.
1751 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1753 * tree.c (initializer_zerop): Handle STRING_CST.
1755 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
1758 * doc/invoke.texi (Wimplicit): Document as C only.
1759 * opts.c (common_handle_option): Add argument kind.
1760 (handle_option): Rename as read_cmdline_option. Factor out code to...
1761 (handle_option): ... here. New.
1762 (handle_options): Rename as read_cmdline_options.
1763 (decode_options): Update call.
1764 (set_option): Use option index instead of option pointer. Classify
1765 diagnostics correctly.
1766 (enable_warning_as_error): Call handle_option.
1767 * opts.h (set_option): Update declaration.
1768 (handle_option): Declare.
1769 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1770 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1771 * c-opts.c (set_Wimplicit): Delete.
1772 (c_family_lang_mask): New static constant.
1773 (c_common_handle_option): Add argument kind. Use handle_option
1774 instead of set_Wimplicit.
1775 (c_common_post_options): warn_implicit and warn_implicit_int
1776 are disabled by default.
1777 * c-common.c (warn_implicit): Do not define here.
1778 * c-common.h (warn_implicit): Do not declare here.
1779 (c_common_handle_option): Update declaration.
1780 * lto-opts.c (lto_reissue_options): Update call to set_option.
1782 2010-05-06 Richard Guenther <rguenther@suse.de>
1784 PR tree-optimization/43571
1785 * domwalk.c (walk_dominator_tree): Walk the dominator
1786 sons in more optimal order.
1788 2010-05-06 Richard Guenther <rguenther@suse.de>
1790 PR tree-optimization/43934
1791 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1792 (stmt_cost): Likewise.
1793 (extract_true_false_args_from_phi): New helper.
1794 (determine_max_movement): For PHI nodes verify we can hoist them
1795 and compute their cost.
1796 (determine_invariantness_stmt): Handle PHI nodes.
1797 (move_computations_stmt): Likewise. Hoist PHI nodes in
1798 if-converted form using COND_EXPRs.
1799 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1800 (tree_ssa_lim): Likewise.
1801 * tree-flow.h (tree_ssa_lim): Adjust prototype.
1802 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1804 2010-05-06 Richard Guenther <rguenther@suse.de>
1806 PR tree-optimization/43987
1807 * tree-ssa-structalias.c (could_have_pointers): For possibly
1808 address-taken variables force pointers to be recorded.
1809 (create_variable_info_for_1): Likewise.
1810 (push_fields_onto_fieldstack): Pass in wheter all fields
1812 (find_func_aliases): Query types instead of vars whether
1813 they contain pointers where appropriate.
1815 2010-05-06 Jan Hubicka <jh@suse.cz>
1817 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1818 (record_reference, mark_address, mark_load, mark_store): Record
1820 (record_references_in_initializer): Update call of record_references.
1821 (rebuild_cgraph_edges): Remove all references before rebuiding.
1822 * cgraph.c (cgraph_create_node): Clear ref list.
1823 (cgraph_remove_node): Remove references.
1824 (dump_cgraph_node): Dump references.
1825 (cgraph_clone_node): Clone references.
1826 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1827 (struct cgraph_node, varpool_node): Add ref_lst.
1828 * ipa-ref.c: New file.
1829 * ipa-ref.h: New file.
1830 * ipa-ref-inline.h: New file.
1831 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1832 (referenced_from_other_partition_p): New function.
1833 (lto_output_varpool_node): Take set arugment; call
1834 referenced_from_other_partition.
1835 (lto_output_ref): New.
1836 (add_references): New.
1838 (output_cgraph): Compute boundary based on references; output refs.
1839 (output_varpool): Accept cgraph_node_set argument.
1842 (input_cgraph): Call input_refs.
1843 * lto-section-in.c (lto_section_name): Add refs.
1844 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1845 (ipa-ref.o): New file.
1846 * varpool.c (varpool_node): Clear ipa ref list.
1847 (varpool_remove_node): Remove references.
1848 (dump_varpool_node): Dump references.
1849 (varpool_assemble_decl): Only compile finalized ones.
1850 (varpool_extra_name_alias): Initialize ref list.
1851 * lto-streamer.c (lto-get_section_name): Add .refs section.
1852 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1853 (referenced_from_other_partition_p): Declared.
1855 2010-05-06 Ira Rosen <irar@il.ibm.com>
1857 PR tree-optimization/43901
1858 * tree-vect-stmts.c (vectorizable_call): Assert that vector
1859 type is not NULL if it's transformation phase, and return
1860 FALSE if it's analysis.
1861 (vectorizable_conversion, vectorizable_operation,
1862 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1864 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
1866 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1868 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1870 * config/mips/mips-protos.h
1871 (mips_small_register_classes_for_mode_p): Delete prototype.
1873 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
1875 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1876 * config/arm/arm.c (multiple_operation_profitable_p,
1877 compute_offset_order): New static functions.
1878 (load_multiple_sequence, store_multiple_sequence): Use them.
1879 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
1880 memory offsets, not register numbers.
1881 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1883 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
1885 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1886 (get_pending_sizes, put_pending_size, put_pending_sizes):
1887 Update the uses of pending_sizes.
1888 * c-decl.c (store_parm_decls): Likewise.
1889 * c-tree.h (struct c_arg_info): Likewise.
1890 * tree.h: Update the prototype for get_pending_sizes and
1893 2010-05-05 Jason Merrill <jason@redhat.com>
1896 * c-common.c (handle_aligned_attribute): Respect
1897 ATTR_FLAG_TYPE_IN_PLACE.
1900 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1901 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1902 (TARGET_INITIALIZER): Use it.
1903 * c-common.c (attribute_takes_identifier_p): Call it.
1904 * c-common.h: Update prototype.
1905 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1906 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1908 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1911 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1912 DW_ID_down_case for Fortran compilation units.
1914 2010-05-05 Jan Hubicka <jh@suse.cz>
1916 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1919 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
1921 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1922 a variable-sized RESULT_DECL.
1924 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
1926 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1928 2010-05-05 Jason Merrill <jason@redhat.com>
1931 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1933 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1935 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
1936 Jakub Jelinek <jakub@redhat.com>
1939 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1940 (dead_debug_init, dead_debug_finish): New functions.
1941 (dead_debug_add, dead_debug_insert_before): Likewise.
1942 (df_note_bb_compute): Initialize a dead_debug object, add dead
1943 debug uses to it, insert debug bind insns before death insns,
1944 reset debug insns that refer to pending uses at the end.
1945 * rtl.h (make_debug_expr_from_rtl): New prototype.
1946 * varasm.c (make_debug_expr_from_rtl): New function.
1948 2010-05-05 Jan Hubicka <jh@suse.cz>
1950 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1951 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1952 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1953 lto_varpool_encoder_deref, lto_varpool_encoder_size,
1954 lto_varpool_encoder_encode_initializer_p,
1955 lto_set_varpool_encoder_encode_initializer): New functions.
1956 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1957 call output_varpool.
1958 (input_varpool_node): Do not always set analyzed.
1959 (input_cgraph_1): Return vector of cgraph nodes.
1960 (input_varpool_1): Return vector of varpools.
1961 (input_cgraph): Free the vectors.
1962 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1963 output only initializers needed.
1964 (lto_output): Only call output_cgraph.
1965 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1966 * lto-section-out.c (lto_new_out_decl_state): Initialize
1967 state->varpool_node_encoder.
1968 * lto-streamer.h (lto_varpool_encoder_d): New.
1969 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1970 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1971 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1972 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1973 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1975 (output_varpool, input_varpool): Remove declarations.
1977 2010-05-05 Jan Hubicka <jh@suse.cz>
1979 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1980 with body can prevail.
1982 2010-05-05 Jan Hubicka <jh@suse.cz>
1984 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1987 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1989 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1991 * gengtype.h (erro_at_line): Constify pos argument.
1993 * gengtype.c: Include hashtab.h.
1994 (enum gc_used): Document GC_MAYBE_POINTED_TO.
1995 (error_at_line): Constify pos argument.
1996 (do_typedef): Initialize p->opt field.
1997 (get_file_gtfilename): Fix comment typo.
1998 (struct walk_type_data): Constify line field.
1999 (get_output_file_for_structure): New function.
2000 (write_local_func_for_structure): Constify orig_s argument.
2001 Use get_output_file_for_structure.
2002 (write_func_for_structure): Use get_output_file_for_structure.
2003 (INDENT): New define.
2004 (dump_pair, dump_type, dump_type_list, dump_typekind)
2005 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
2006 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
2008 (seen_types): New variable.
2009 (main): New variable do_dump. Process "-d" command line option.
2010 Call dump_everything if dump requested.
2012 2010-05-05 Jakub Jelinek <jakub@redhat.com>
2014 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
2015 in a temporary instead of invoking the macro multiple times.
2016 (track_expr_p): Likewise.
2018 2010-05-04 Neil Vachharajani <nvachhar@google.com>
2020 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
2022 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
2023 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
2024 conditions for printing notes.
2025 * common.opt (-Wcoverage-mismatch): Allow negative, default to
2026 true, update documentation.
2027 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
2029 2010-05-04 Jakub Jelinek <jakub@redhat.com>
2032 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
2035 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
2038 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
2039 (*sse_prologue_save_insn1): Likewise.
2040 (SSE prologue save splitter): Likewise.
2042 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
2044 * tree.c (free_lang_data_in_one_sizepos): New inline function.
2045 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
2046 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
2047 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
2048 all decls. Call it on DECL_FIELD_OFFSET of fields.
2049 (find_decls_types_r): Follow DECL_VALUE_EXPR.
2050 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
2052 2010-05-04 Martin Jambor <mjambor@suse.cz>
2054 * tree-sra.c (build_access_from_expr_1): The first parameter type
2055 changed to simple tree.
2056 (build_access_from_expr): Likewise, gsi parameter was eliminated.
2057 (scan_assign_result): Renamed to assignment_mod_result, enum elements
2059 (build_accesses_from_assign): Removed all parameters except for a
2060 simple gimple statement. Now returns a simple bool.
2061 (scan_function): All non-analysis parts moved to separate functions
2062 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
2063 parameters and updated both callers.
2064 (sra_modify_expr): Removed parameter data.
2065 (sra_modify_function_body): New function.
2066 (perform_intra_sra): Call sra_modify_function_body to modify the
2068 (replace_removed_params_ssa_names): Parameter data changed into
2070 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
2071 changed the parameter dont_convert to convert with the opposite
2073 (sra_ipa_modify_assign): Parameter data changed into adjustments
2074 vector, return value changed to bool.
2075 (ipa_sra_modify_function_body): New function.
2076 (sra_ipa_reset_debug_stmts): Updated a comment.
2077 (modify_function): Use ipa_sra_modify_function_body to modify function
2080 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
2083 * alias.c (true_dependence): Handle the same VALUE in x and mem.
2084 (canon_true_dependence): Likewise.
2085 (write_dependence_p): Likewise.
2087 2010-05-04 Jan Hubicka <jh@suse.cz>
2089 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
2090 * cgraphbuild.c: Include ipa-utils.h
2091 (record_reference_ctx): New struct.
2092 (record_reference): Simplify to work on initializers; not statements.
2093 (mark_address, mark_load, mark_store): New.
2094 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
2096 (record_references_in_initializer): Update use of record_reference.
2097 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
2100 2010-05-04 Jan Hubicka <jh@suse.cz>
2102 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
2103 node will be removed anyway.
2104 (lto_varpool_replace_node): Allow also unanalyzed nodes;
2105 relink aliases of node into prevailing node.
2106 * varpool.c (varpool_remove_node): Remove aliases properly;
2107 when removing node, remove all its aliases too; remove DECL_INITIAL
2108 of removed node; ggc_free the varpool node.
2110 2010-05-04 Richard Guenther <rguenther@suse.de>
2112 PR tree-optimization/43879
2113 * tree-ssa-structalias.c (alias_get_name): Use
2114 DECL_ASSEMBLER_NAME if available.
2115 (create_function_info_for): Return the varinfo node.
2116 (ipa_pta_execute): Associate same-body aliases and extra names
2117 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
2119 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
2121 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
2123 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
2126 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
2127 only if HONOR_REG_ALLOC_ORDER is not defined.
2129 2010-05-04 Richard Guenther <rguenther@suse.de>
2131 PR tree-optimization/43949
2132 * tree-vrp.c (extract_range_from_binary_expr): Only handle
2135 2010-04-26 Jason Merrill <jason@redhat.com>
2137 * c.opt (-fstrict-enums): New.
2138 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
2140 2010-05-03 David Ung <davidu@mips.com>
2141 James E. Wilson <wilson@codesourcery.com>
2143 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
2144 emit the trap instruction before the divide for TUNE_74K.
2146 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
2148 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
2149 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
2150 based on the above, for new target hook.
2152 * hooks.c (hook_bool_mode_true): New generic hook.
2153 * hooks.h (hook_bool_mode_true): Add prototype.
2155 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
2157 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
2158 target hook, set to hook_bool_mode_false.
2159 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
2160 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
2161 with targetm.small_register_classes_for_mode_p.
2162 (find_reusable_reload): Likewise.
2163 (combine_reloads): Likewise.
2164 * reload1.c (reload_as_needed): Likewise.
2165 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
2166 * ifcvt.c (noce_process_if_block, check_cond_move_block,
2167 dead_or_predicable): Likewise.
2168 * regmove.c (optimize_reg_copy_1): Likewise.
2169 * calls.c (prepare_call_address): Likewise.
2170 (precompute_register_parameters): Likewise.
2172 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
2174 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
2175 implementation of the hook that considers all register classes
2176 small except for SH64.
2177 (sh_override_options): Use the new hook.
2178 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
2181 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
2183 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
2184 implementation of the hook that considers all register classes
2186 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
2189 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
2191 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
2192 implementation of the hook that considers all register classes
2194 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
2197 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
2199 * config/m32c/m32c.h: Likewise.
2200 * config/pdp11/pdp11.h: Likewise.
2201 * config/avr/avr.h: Likewise.
2202 * config/xtensa/xtensa.h: Likewise.
2203 * config/m68hc11/m68hc11.h: Likewise.
2204 * config/mn10300/mn10300.h: Likewise.
2205 * config/mcore/mcore.h: Likewise.
2206 * config/h8300/h8300.h: Likewise.
2207 * config/bfin/bfin.h: Likewise.
2209 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
2210 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
2212 2010-05-03 Anatoly Sokolov <aesok@post.ru>
2214 * double-int.h (tree_to_double_int): Remove macro.
2215 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
2216 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2217 (tree_to_double_int): New function.
2218 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
2220 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2222 2010-05-03 Richard Guenther <rguenther@suse.de>
2224 PR tree-optimization/43971
2225 * tree-ssa-structalias.c (get_constraint_for_1): Fix
2226 constraints in the !flag_delete_null_pointer_checks case.
2228 2010-05-03 Jakub Jelinek <jakub@redhat.com>
2231 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
2232 result mode matches original rtl mode.
2234 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
2237 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
2239 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2241 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
2242 when processing flag options.
2244 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2246 * gcov-iov.c (main): Change format string placeholder
2247 from %#08x to 0x%08x.
2248 * genchecksum.c (dosum): Change format string placeholder
2249 from %#02x to 0x%02x.
2251 2010-05-02 Richard Guenther <rguenther@suse.de>
2253 PR tree-optimization/43879
2254 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
2256 2010-05-02 Bruno Haible <bruno@clisp.org>
2258 * doc/extend.texi (Function Attributes): Fix a typo.
2260 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2263 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2264 placeholder from 0x%x to %#x.
2265 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2266 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2267 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2268 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2269 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2270 * config/i386/i386.c (ix86_target_string): Ditto.
2271 * config/i386/i386.c (output_pic_addr_const): Ditto.
2272 (print_operand): Ditto.
2274 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2276 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2277 placeholder from 0x%x to %#x.
2278 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2279 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2280 (ASM_OUTPUT_DEBUG_DATA): Ditto.
2281 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2282 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2283 * optc-gen.awk: Ditto.
2284 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2285 (HOST_WIDE_INT_PRINT_HEX): Ditto.
2286 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2287 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2289 2010-05-01 Anatoly Sokolov <aesok@post.ru>
2291 * target.h (struct calls): Add function_value_regno_p field.
2292 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2293 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2294 * targhooks.c (default_function_value_regno_p): New function.
2295 * targhooks.h (default_function_value_regno_p): Declare function.
2296 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2297 * builtins.c. (apply_result_size): (Ditto.).
2298 * combine.c. (likely_spilled_retval_p): (Ditto.).
2299 * mode-switching.c. Include 'target.h'.
2300 (create_pre_exit): Use function_value_regno_p hook.
2301 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2302 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2303 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2305 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2306 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2307 (ix86_function_value_regno_p): Declare as static, change argument
2308 type to const unsigned int.
2309 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2311 2010-05-01 Richard Guenther <rguenther@suse.de>
2313 PR tree-optimization/43949
2314 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2316 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2318 2010-05-01 Anatoly Sokolov <aesok@post.ru>
2320 * rtl.h (CONST_DOUBLE_P): Define.
2321 (rtx_to_double_int): Declare.
2322 * emit-rtl.c (rtx_to_double_int): New function.
2323 * dwarf2out.c (insert_double): New function.
2324 (loc_descriptor, add_const_value_attribute): Clean up, use
2325 rtx_to_double_int and insert_double functions.
2327 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
2329 * doc/extend.texi (Inline): Add missing return keyword to examples.
2330 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2333 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
2335 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2336 the variable part of the offset as well. Use highest_pow2_factor for
2337 all alignment checks.
2339 2010-04-30 Richard Guenther <rguenther@suse.de>
2341 PR tree-optimization/43879
2342 * tree-ssa-structalias.c (type_could_have_pointers): Functions
2345 2010-04-30 Jan Hubicka <jh@suse.cz>
2347 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2349 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2351 2010-04-30 Jan Hubicka <jh@suse.cz>
2353 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2355 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2356 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2357 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2358 cgraph_node_set_needs_ltrans_p): Remove.
2360 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
2362 * sdbout.c: Include vec.h, do not include varray.h.
2363 (deferred_global_decls, sdbout_global_decl,
2364 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2365 * toplev.c: Do not include varray.h.
2366 (dump_memory_report): Do not dump VARRAY statistics.
2367 * gengtype.c (open_base_file): Ignore varray.h.
2368 * Makefile.in: Update for abovementioned changes.
2369 Remove all traces of varray.c and varray.h.
2370 * varray.c: Remove file.
2371 * varray.h: Remove file.
2373 2010-04-30 Jan Hubicka <jh@suse.cz>
2375 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2378 2010-04-30 Jan Hubicka <jh@suse.cz>
2380 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2383 2010-04-30 Richard Guenther <rguenther@suse.de>
2385 * tree-ssa-structalias.c (get_constraint_for_1): Generate
2386 constraints for CONSTRUCTOR.
2388 2010-04-30 Richard Guenther <rguenther@suse.de>
2391 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2392 first after all lowering passes.
2394 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
2396 * toplev.c: Include varray.h for statistics dumping.
2397 * tree.h: Do not declare varray_head_tag.
2398 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2399 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2400 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2401 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2402 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2403 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2404 c-common.c, c-common.h, reg-stack.c, basic-block.h,
2405 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2407 * Makefile.in: Update for abovementioned changes.
2409 2010-04-30 Jakub Jelinek <jakub@redhat.com>
2412 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2414 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2416 * config/picochip/picochip.c (picochip_legitimize_address): Define.
2417 Use this function to do machine-specific conversion.
2418 (picochip_legitimize_reload_address): Likewise.
2419 (picochip_legitimate_address_p): Check valid base register only if
2421 (picochip_check_conditional_copy): Check for modw only if opnd is
2423 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2424 to call the function in c.
2425 * config/picochip/picochip-protos.h
2426 (picochip_legitimize_reload_address): Define.
2427 * config/picochip/picochip.md (supported_compare1): Define.
2429 2010-04-30 Jan Hubicka <jh@suse.cz>
2431 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2432 (cgraph_global_info): Remove inlined.
2433 (LTO_cgraph_tag_names): Remove.
2434 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2435 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2436 simplify cgraph tags and document.
2437 (lto_output_node): Use only LTO_cgraph_unavail_node and
2438 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2439 for_functions_valid, global info, process and output flags.
2440 (input_overwrite_node): Initialize estimated stack size and
2441 estimated growth. Do not read flags we no longer store.
2442 (input_node): Likewise do not read info no longer stored.
2443 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2446 2010-04-30 Richard Guenther <rguenther@suse.de>
2448 PR tree-optimization/43879
2449 * tree-ssa-structalias.c (get_constraint_for_1): Properly
2450 handle non-zero initializers.
2452 2010-04-30 Richard Guenther <rguenther@suse.de>
2454 * builtins.c (fold_builtin_1): Delete free (0).
2456 2010-04-29 Jan Hubicka <jh@suse.cz>
2458 * gengtype.c (open_base_files): Add lto-streamer.h
2459 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2460 (pass_ipa_cp): GGC collect.
2461 * toplev. (compile_file): Do not output symbols.
2462 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2463 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2464 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2465 * lto-section-in.c: Include ggc.h
2466 (lto_new_in_decl_state): Alloc in GGC.
2467 (lto_delete_in_decl_state): Likewise.
2468 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2471 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2474 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2475 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
2476 (HONOR_REG_ALLOC_ORDER): Describe new macro.
2477 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2478 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2479 account only if HONOR_REG_ALLOC_ORDER is not defined.
2480 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2481 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2483 2010-04-29 Jon Grant <04@jguk.org>
2485 * collect2.c (vflag): Change type from int to bool.
2487 (helpflag): New global bool.
2488 (main): Set vflag and debug with boolean, not integer truth values.
2489 Accept new "--help" option and output usage text if found.
2490 * collect2.h (vflag): Update prototype.
2493 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2496 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2498 2010-04-29 Richard Guenther <rguenther@suse.de>
2501 * plugin.h (invoke_plugin_callbacks): Annotate arguments
2502 with ATTRIBUTE_UNUSED.
2504 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2507 * config/i386/i386.c (get_some_local_dynamic_name): Replace
2508 INSN_P with NONDEBUG_INSN_P.
2509 (distance_non_agu_define): Likewise.
2510 (distance_agu_use): Likewise.
2512 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2514 From Dominique d'Humieres <dominiq@lps.ens.fr>
2516 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2519 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
2521 * plugin.h (invoke_plugin_callbacks): New inline function.
2522 * plugin.c (flag_plugin_added): New global flag.
2523 (add_new_plugin): Initialize above flag.
2524 (invoke_plugin_callbacks): Rename to ...
2525 (invoke_plugin_callbacks_full): ... this.
2527 2010-04-28 Jan Hubicka <jh@suse.cz>
2529 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2530 (lto_varpool_replace_node): New.
2531 (lto_symtab_resolve_symbols): Resolve varpool nodes.
2532 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2533 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2534 * cgraph.h (varpool_node_ptr): New type.
2535 (varpool_node_ptr): New vector.
2536 (varpool_node_set_def): New structure.
2537 (varpool_node_set): New type.
2538 (varpool_node_set): New vector.
2539 (varpool_node_set_element_def): New structure.
2540 (varpool_node_set_element, const_varpool_node_set_element): New types.
2541 (varpool_node_set_iterator): New type.
2542 (varpool_node): Add prev pointers, add used_from_other_partition,
2544 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2545 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2546 varpool_get_node, varpool_remove_node): Declare.
2547 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2548 varpool_node_set_size): New inlines.
2549 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2550 * tree-pass.h (varpool_node_set_def): Forward declare.
2551 (ipa_opt_pass_d): Summary writting takes vnode sets too.
2552 (ipa_write_optimization_summaries): Update prototype.
2553 * ipa-cp.c (ipcp_write_summary): Update.
2554 * ipa-reference.c (ipa_reference_write_summary): Update.
2555 * lto-cgraph.c (lto_output_varpool_node): New static function.
2556 (output_varpool): New function.
2557 (input_varpool_node): New static function.
2558 (input_varpool_1): New function.
2559 (input_cgraph): Input varpool.
2560 * ipa-pure-const.c (pure_const_write_summary): Update.
2561 * lto-streamer-out.c (lto_output): Update, output varpool too.
2562 (write_global_stream): Kill WPA hack.
2563 (produce_asm_for_decls): Update.
2564 (output_alias_pair_p): Handle variables.
2565 (output_unreferenced_globals): Output only needed partition of varpool.
2566 * ipa-inline.c (inline_write_summary): Update.
2567 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2569 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2570 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2571 varpool_node_set_new, varpool_node_set_add,
2572 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2573 debug_varpool_node_set): New functions.
2574 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2575 (execute_one_pass): Process new decls too.
2576 (ipa_write_summaries_2): Pass around vsets.
2577 (ipa_write_summaries_1): Likewise.
2578 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2580 (ipa_write_optimization_summaries_1): Pass around vsets.
2581 (ipa_write_optimization_summaries): Likewise.
2582 * varpool.c (varpool_get_node): New.
2583 (varpool_node): Update doubly linked lists.
2584 (varpool_remove_node): New.
2585 (dump_varpool_node): More dumping.
2586 (varpool_enqueue_needed_node): Update doubly linked lists.
2587 (decide_is_variable_needed): Kill ltrans hack.
2588 (varpool_finalize_decl): Kill lto hack.
2589 (varpool_assemble_decl): Skip decls in other partitions.
2590 (varpool_assemble_pending_decls): Update doubly linkes lists.
2591 (varpool_empty_needed_queue): Likewise.
2592 (varpool_extra_name_alias): Likewise.
2593 * lto-streamer.c (lto_get_section_name): Add vars section.
2594 * lto-streamer.h (lto_section_type): Update.
2595 (output_varpool, input_varpool): Declare.
2597 2010-04-28 Mike Stump <mikestump@comcast.net>
2599 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2601 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2603 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2604 record or union type with RECORD_OR_UNION_TYPE_P predicate.
2605 (lto_input_ts_type_tree_pointers): Likewise.
2606 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2607 (lto_output_ts_type_tree_pointers): Likewise.
2609 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2611 Uniquization of constants at the Tree level
2612 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2613 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2615 (tree_output_constant_def): Declare.
2616 * gimplify.c (gimplify_init_constructor): When using block copy, first
2617 uniquize the constant constructor on the RHS.
2618 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2619 DECL_IN_CONSTANT_POOL flag.
2620 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2621 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2623 (assemble_variable): Deal with symbols belonging to the tree constant
2625 (get_constant_section): Add ALIGN parameter and simplify.
2626 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2627 (assemble_constant_contents): Use the expression of the VAR_DECL.
2628 (output_constant_def_contents): Use the alignment of the VAR_DECL.
2629 (tree_output_constant_def): New global function.
2630 (mark_constant): Use the expression of the VAR_DECL.
2631 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2633 (output_object_block): Likewise and assemble the expression.
2635 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2637 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2638 hash_tree, eq_tree): New tree hash table.
2639 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2640 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2641 lto_orig_address_remove): Reimplement.
2643 2010-04-28 Xinliang David Li <davidxl@google.com>
2646 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2647 (compute_uninit_opnds_pos): New function.
2648 (is_non_loop_exit_postdominating): New function.
2649 (compute_control_dep_chain): New function.
2650 (find_pdom): New function.
2651 (convert_control_dep_chain_into_preds): New function.
2652 (find_predicates): New function.
2653 (find_control_equiv_block): New function.
2654 (collect_phi_def_edges): New function.
2655 (find_def_preds): New function.
2656 (find_dom): New function.
2657 (dump_predicates): New function.
2658 (get_cmp_code): New function.
2659 (is_value_included_in): New function.
2660 (find_matching_predicate_in_rest_chains): New function.
2661 (use_pred_not_overlap_with_undef_path_pred): New function.
2662 (is_use_properly_guarded): New function.
2663 (normalize_cond_1): New function.
2664 (is_and_or_or): New function.
2665 (normalize_cond): New function.
2666 (is_gcond_subset_of): New function.
2667 (is_subset_of_any): New function.
2668 (is_or_set_subset_of): New function.
2669 (is_and_set_subset_of): New function.
2670 (is_norm_cond_subset_of): New function.
2671 (is_pred_expr_subset_of): New function.
2672 (is_pred_chain_subset_of): New function.
2673 (is_included_in): New function.
2674 (is_superset_of): New function.
2675 (find_uninit_use): New function.
2676 (warn_uninitialized_phi): New function.
2677 (compute_possibly_undefined_names): New function.
2678 (ssa_undefined_value_p): New function.
2679 (execute_late_warn_uninitialized): New function.
2680 * tree-ssa.c (ssa_undefined_value_p): Removed.
2681 (warn_uninit): Changed to extern.
2682 (warn_uninitialized_phi): Removed.
2683 (warn_uninitialized_vars): Changed to extern.
2684 (execute_late_warn_uninitialized): Removed
2685 * tree-flow.h: Add new prototypes.
2686 * timevar.def: Add new time variable.
2687 * Makefile.in: Add new build file.
2689 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
2691 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2694 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2697 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2699 2010-04-28 Martin Jambor <mjambor@suse.cz>
2701 * cgraph.h (struct cgraph_node): New field indirect_calls.
2702 (struct cgraph_indirect_call_info): New type.
2703 (struct cgraph_edge): Removed field indirect_call. New fields
2704 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2705 (cgraph_create_indirect_edge): Declare.
2706 (cgraph_make_edge_direct): Likewise.
2707 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2708 * ipa-prop.h (struct ipa_param_call_note): Removed.
2709 (struct ipa_node_params): Removed field param_calls.
2710 (ipa_create_all_structures_for_iinln): Declare.
2711 * cgraph.c: Described indirect edges and uids in initial comment.
2712 (cgraph_add_edge_to_call_site_hash): New function.
2713 (cgraph_edge): Search also among the indirect edges, use
2714 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2715 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2716 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2718 (initialize_inline_failed): Assign a reason to indirect edges.
2719 (cgraph_create_edge_1): New function.
2720 (cgraph_create_edge): Moved some functionality to
2721 cgraph_create_edge_1.
2722 (cgraph_create_indirect_edge): New function.
2723 (cgraph_edge_remove_callee): Add an assert checking for
2725 (cgraph_edge_remove_caller): Special-case indirect edges.
2726 (cgraph_remove_edge): Likewise.
2727 (cgraph_set_edge_callee): New function.
2728 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2729 (cgraph_make_edge_direct): New function.
2730 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2731 the declaration of the call statement matches.
2732 (cgraph_node_remove_callees): Special-case indirect edges.
2733 (cgraph_clone_edge): Likewise.
2734 (cgraph_clone_node): Clone also the indirect edges.
2735 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2736 indirect_call, dump count of indirect_calls edges.
2737 * ipa-prop.c (iinlining_processed_edges): New variable.
2738 (ipa_note_param_call): Create indirect edges instead of
2739 creating notes. New parameter node.
2740 (ipa_analyze_call_uses): New parameter node, pass it on to
2741 ipa_note_param_call.
2742 (ipa_analyze_stmt_uses): Likewise.
2743 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2744 (print_edge_addition_message): Work on edges rather than on notes.
2745 (update_call_notes_after_inlining): Likewise, renamed to
2746 update_indirect_edges_after_inlining.
2747 (ipa_create_all_structures_for_iinln): New function.
2748 (ipa_free_node_params_substructures): Do not free notes.
2749 (ipa_edge_duplication_hook): Propagate bits within
2750 iinlining_processed_edges bitmap.
2751 (ipa_node_duplication_hook): Do not duplicate notes.
2752 (free_all_ipa_structures_after_ipa_cp): Renamed to
2753 ipa_free_all_structures_after_ipa_cp.
2754 (free_all_ipa_structures_after_iinln): Renamed to
2755 ipa_free_all_structures_after_iinln.
2756 (ipa_write_param_call_note): Removed.
2757 (ipa_read_param_call_note): Removed.
2758 (ipa_write_indirect_edge_info): New function.
2759 (ipa_read_indirect_edge_info): Likewise.
2760 (ipa_write_node_info): Do not stream notes, do stream information
2762 (ipa_read_node_info): Likewise.
2763 (lto_ipa_fixup_call_notes): Removed.
2764 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2765 * ipa-inline.c (pass_ipa_inline): Likewise.
2766 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2767 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2768 * tree-inline.c (copy_bb): Removed an unnecessary double check for
2770 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2772 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2773 (output_cgraph): Stream also indirect edges.
2774 (lto_output_edge): Added capability to stream indirect edges.
2775 (input_edge): Likewise.
2776 (input_cgraph_1): Likewise.
2777 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2780 2010-04-28 Richard Guenther <rguenther@suse.de>
2782 PR tree-optimization/43879
2783 PR tree-optimization/43909
2784 * tree-ssa-structalias.c (struct variable_info): Add
2785 only_restrict_pointers flag.
2786 (new_var_info): Initialize it. Increment stats.total_vars here.
2787 (create_function_info_for): Do not increment stats.total_vars here.
2788 (get_function_part_constraint): Fix build with C++.
2789 (insert_into_field_list): Remove.
2790 (push_fields_onto_fieldstack): Properly merge fields.
2791 (create_variable_info_for): Split and simplify.
2792 (create_variable_info_for_1): New piece.
2793 (intra_create_variable_infos): Properly make restrict constraints
2796 2010-04-28 Richard Guenther <rguenther@suse.de>
2799 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2801 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
2802 Jan Hubicka <hubicka@ucw.cz>
2804 * doc/invoke.texi (-Wsuggest-attribute=const,
2805 -Wsuggest-attribute=pure): Document.
2806 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2807 (function_always_visible_to_compiler_p,
2808 suggest_attribute, warn_function_pure, warn_function_const):
2810 (check_call): Improve debug info.
2811 (analyze_function): Do not check availability.
2812 (add_new_function): Check availability.
2813 (propagate): Output warnings.
2814 (skip_function_for_local_pure_const): New function.
2815 (local_pure_const): Use it; output warnings.
2816 * common.opt (Wsuggest-attribute=const,
2817 Wsuggest-attribute=pure): New.
2819 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2821 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2822 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2823 or DW_CFA_def_cfa_offset{,_sf}.
2825 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2827 * tree.h: Fix truncated long macros.
2829 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
2831 * collect2.c (TARGET_64BIT): Redefine to target's default.
2832 * tlink.c: Likewise.
2833 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2834 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2835 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2836 for underscoring __USER_LABEL_PREFIX__.
2837 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2838 (SUB_LINK_ENTRY32): New.
2839 (SUB_LINK_ENTRY64): New.
2840 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2841 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2842 (SUB_LINK_ENTRY64): New.
2843 (SUB_LINK_ENTRY): New.
2844 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2845 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2846 x64 target is choosen.
2847 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2848 * configure: Regenerated.
2849 * configure.ac (leading-mingw64-underscores): Option added.
2851 2010-04-27 Jan Hubicka <jh@suse.cz>
2853 * doc/invoke.texi (-fipa-profile): Document.
2854 * opts.c (decode_options): Enable ipa-profile at -O1.
2855 * timevar.def (TV_IPA_PROFILE): Define.
2856 * common.opt (fipa-profile): Add.
2857 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2859 (cgraph_propagate_frequency): Handle only local ones.
2860 * tree-pass.h (pass_ipa_profile): Declare.
2861 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2862 (pass_ipa_profile): Use TV_IPA_PROFILE.
2863 * ipa.c (ipa_profile): New function.
2864 (gate_ipa_profile): Likewise.
2865 (pass_ipa_profile): New global variable.
2866 * passes.c (pass_ipa_profile): New.
2868 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
2870 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2872 2010-04-27 Martin Jambor <mjambor@suse.cz>
2875 * ipa.c (dissolve_same_comdat_group_list): New function.
2876 (function_and_variable_visibility): Call
2877 dissolve_same_comdat_group_list when comdat group contains external or
2879 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2880 lists are circular and that they contain only DECL_ONE_ONLY nodes.
2882 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2884 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2885 (const_hash_1) <VECTOR_CST>: New case.
2886 (compare_constant) <VECTOR_CST>: Likewise.
2887 <ADDR_EXPR>: Deal with LABEL_REFs.
2888 (copy_constant) <VECTOR_CST>: New case.
2890 2010-04-27 Jan Hubicka <jh@suse.cz>
2892 * cgraph.c (cgraph_propagate_frequency): New function.
2893 * cgraph.h (cgraph_propagate_frequency): Declare.
2894 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2895 cgraph_propagate_frequency.
2897 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2899 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2901 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
2904 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2905 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2906 here to determine which regs to push and how much stack to reserve.
2908 2010-04-27 Jie Zhang <jie@codesourcery.com>
2910 * doc/gimple.texi (gimple_statement_with_ops): Remove
2911 addresses_taken field.
2912 (gimple_statement_with_memory_ops): Likewise.
2914 2010-04-27 Jan Hubicka <jh@suse.cz>
2916 * tree-inline.c (eni_inlining_weights): Remove.
2917 (estimate_num_insns): Special case more builtins.
2919 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
2922 * c-typeck.c (build_binary_op): Move forward check for comparison
2923 pointer with null pointer constant and adjust the diagnostic message.
2925 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
2928 * configure.ac (gcc_cv_as_section_has_align): Set if installed
2929 binutils supports extended .section directive needed by LTO, or
2930 warn if older binutils found.
2931 (LTO_BINARY_READER): New AC_SUBST'd variable.
2932 (LTO_USE_LIBELF): Likewise.
2933 * gcc/config.gcc (lto_binary_reader): New target-specific configure
2935 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2936 (LTO_USE_LIBELF): Likewise.
2937 * configure: Regenerate.
2939 * collect2.c (is_elf): Rename from this ...
2940 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2941 object files in addition to ELF-formatted ones.
2942 (scan_prog_file): Caller updated. Also allow for LTO info marker
2943 symbol to be prefixed or not by an extra underscore.
2945 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2946 * config/i386/winnt.c: Also #include lto-streamer.h
2947 (i386_pe_asm_named_section): Specify 1-byte section alignment for
2949 (i386_pe_asm_output_aligned_decl_common): Add comment.
2950 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2952 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
2955 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2956 Add missing earlyclobber for second alternative.
2958 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
2960 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2961 bits for artificial defs at the top of the block.
2962 * fwprop.c (single_def_use_enter_block): Don't call it.
2964 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
2967 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2968 instead of "$gcc_cv_objdump -T".
2969 Use "-undefined dynamic_lookup" on darwin.
2970 * gcc/configure: Regenerate.
2972 2010-04-26 Jakub Jelinek <jakub@redhat.com>
2975 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2977 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2979 * c-parser.c (struct c_token): Move location field up.
2980 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2981 (struct c_declspecs): Convert typespec_word, storage_class, and
2982 default_int_p into bitfields.
2983 (struct c_declarator): Move loc field up.
2985 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2987 * cfgloop.h (struct loop): Move can_be_parallel field up.
2988 * ipa-prop.h (struct ip_node_params): Move bitfields up.
2989 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2991 (struct iv_cand): Convert pos field into a bitfield.
2992 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2994 (struct _stmt_vec_info): Shuffle fields for better packing.
2996 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2998 * varasm.c (IN_NAMED_SECTION): Remove guard.
2999 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
3000 (IN_NAMED_SECTION_P): ...this.
3001 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
3002 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3004 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
3006 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
3007 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
3008 of shadowing it. Fix comments.
3010 2010-04-26 Jan Hubicka <jh@suse.cz>
3012 * cgraph.c (cgraph_create_node): Set node frequency to normal.
3013 (cgraph_clone_node): Copy function frequency.
3014 * cgraph.h (node_frequency): New enum
3015 (struct cgraph_node): Add.
3016 * final.c (rest_of_clean_state): Update.
3017 * lto-cgraph.c (lto_output_node): Output node frequency.
3018 (input_overwrite_node): Input node frequency.
3019 * tre-ssa-loop-ivopts (computation_cost): Update.
3020 * lto-streamer-out.c (output_function): Do not output function
3022 * predict.c (maybe_hot_frequency_p): Update and handle functions
3024 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
3026 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
3027 (compute_function_frequency): Set noreturn functions to be executed
3029 (choose_function_section): Update.
3030 * lto-streamer-in.c (input_function): Do not input function frequency.
3031 * function.c (allocate_struct_function): Do not initialize function
3033 * function.h (function_frequency): Remove.
3034 (struct function): Remove function frequency.
3035 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
3036 (try_update): Update.
3037 * tree-inline.c (initialize_cfun): Do not update function frequency.
3038 * passes.c (pass_init_dump_file): Update.
3039 * i386.c (ix86_compute_frame_layout): Update.
3040 (ix86_pad_returns): Update.
3042 2010-04-26 Jie Zhang <jie@codesourcery.com>
3044 PR tree-optimization/43833
3045 * tree-vrp.c (range_int_cst_p): New.
3046 (range_int_cst_singleton_p): New.
3047 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
3048 when both operands are constants. Use range_int_cst_p in
3051 2010-04-26 Jan Hubicka <jh@suse.cz>
3053 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
3055 2010-04-26 Richard Guenther <rguenther@suse.de>
3058 * gimple.c (gimple_decl_printable_name): Deal gracefully
3059 with a NULL DECL_NAME.
3061 2010-04-26 Richard Guenther <rguenther@suse.de>
3064 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
3065 if emitting debug information and it is either a function
3066 or a namespace decl.
3068 2010-04-26 Ira Rosen <irar@il.ibm.com>
3070 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
3071 determine if the statement is vectorizable, and a macro to access it.
3072 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3073 Skip statements that can't be vectorized. If the analysis fails,
3074 mark the statement as unvectorizable if vectorizing basic block.
3075 (vect_compute_data_refs_alignment): Likewise.
3076 (vect_verify_datarefs_alignment): Skip statements marked as
3077 unvectorizable. Add print.
3078 (vect_analyze_group_access): Skip statements that can't be
3079 vectorized. If the analysis fails, mark the statement as
3080 unvectorizable if vectorizing basic block.
3081 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
3082 * tree-vect-stmts.c (vectorizable_store): Fix the number of
3083 generated stmts for SLP.
3084 (new_stmt_vec_info): Initialize the new field.
3085 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
3086 statements marked as unvectorizable.
3088 2010-04-25 Joseph Myers <joseph@codesourcery.com>
3090 * c-common.c (flag_isoc1x): New.
3091 (flag_isoc99): Update comment.
3092 * c-common.h (flag_isoc1x): New.
3093 (flag_isoc99): Update comment.
3094 * c-cppbuiltin.c (builtin_define_float_constants): Also define
3095 __<type>_DECIMAL_DIG__.
3096 * c-opts.c (set_std_c1x): New.
3097 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
3098 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
3099 * c.opt (-std=c1x, -std=gnu1x): New options.
3100 * doc/cpp.texi: Mention -std=c1x.
3101 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
3102 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
3103 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
3104 * doc/standards.texi: Mention C1X.
3105 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
3106 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
3107 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
3110 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
3112 * config/i386/gmon-sol2.c (_mcleanup): Change format string
3113 placeholder from 0x%x to %#x.
3114 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
3115 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
3116 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
3117 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
3118 * config/i386/i386.c (ix86_target_string): Ditto.
3119 (output_pic_addr_const): Ditto.
3120 (print_operand): Ditto.
3122 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
3124 * combine.c (find_split_point): Add third argument. Use it
3125 to find nested multiply-accumulate instructions. Adjust calls.
3126 (try_combine): Adjust call to find_split_point.
3128 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
3130 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
3132 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
3134 PR tree-optimization/41442
3135 * fold-const.c (merge_truthop_with_opposite_arm): New function.
3136 (fold_binary_loc): Call it.
3138 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
3140 * toplev.c (general_init): Set default for fdiagnostics-show-option.
3141 * opts.c (common_handle_option): Allow disabling it.
3142 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
3144 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
3146 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
3147 between modes if both types are integral.
3149 2010-04-23 Richard Guenther <rguenther@suse.de>
3151 PR tree-optimization/43572
3152 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
3154 2010-04-23 Richard Guenther <rguenther@suse.de>
3157 * tree-inline.c (tree_can_inline_p): Also check compatibility
3160 2010-04-23 Martin Jambor <mjambor@suse.cz>
3162 PR tree-optimization/43846
3163 * tree-sra.c (struct access): New flag grp_assignment_read.
3164 (build_accesses_from_assign): Set grp_assignment_read.
3165 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
3166 (enum mark_read_status): New type.
3167 (analyze_access_subtree): Propagate grp_assignment_read, create
3168 accesses also if both direct_read and root->grp_assignment_read.
3170 2010-04-23 Martin Jambor <mjambor@suse.cz>
3173 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
3174 function does not have type attributes.
3176 2010-04-23 Richard Guenther <rguenther@suse.de>
3179 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
3182 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3184 * sese.h (create_if_region_on_edge): Remove.
3186 * sese.c (create_if_region_on_edge): Make static.
3188 * tree-inline.c: Do not include ggc.h.
3190 * expr.c: Do not include ggc.h.
3192 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
3195 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
3198 * config/sh/sh.c (find_barrier): Don't emit a constant pool
3199 in the middle of insns for casesi_worker_2.
3201 2010-04-22 David Edelsohn <edelsohn@gnu.org>
3203 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
3205 2010-04-22 Ira Rosen <irar@il.ibm.com>
3207 PR tree-optimization/43842
3208 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
3209 loop unrolling in update of exit phis. Fix comment.
3210 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
3211 least two reduction statements in the loop before starting SLP
3214 2010-04-22 Nick Clifton <nickc@redhat.com>
3216 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
3218 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
3220 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
3223 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3225 * tree-parloops.c (loop_parallel_p): New argument
3226 parloop_obstack. Pass it down.
3227 (parallelize_loops): New variable parloop_obstack. Initialize it,
3228 pass it down, free it.
3230 * tree-loop-linear.c (linear_transform_loops): Pass down
3233 * tree-data-ref.h (lambda_compute_access_matrices): New argument
3234 of type struct obstack *.
3236 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
3237 scratch_obstack. Initialize it, pass down, free it.
3239 * lambda.h (lambda_loop_new): Remove.
3240 (lambda_matrix_new, lambda_matrix_inverse)
3241 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
3242 argument of type struct obstack *.
3244 * lambda-trans.c (lambda_trans_matrix_new): New argument
3245 lambda_obstack. Pass it down, use obstack allocation for ret.
3246 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
3249 * lambda-mat.c (lambda_matrix_get_column)
3250 (lambda_matrix_project_to_null): Remove.
3251 (lambda_matrix_new): New argument lambda_obstack. Use obstack
3253 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
3256 * lambda-code.c (lambda_loop_new): New function.
3257 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
3258 (lambda_compute_auxillary_space, lambda_compute_target_space)
3259 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
3260 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
3261 (build_access_matrix): New argument lambda_obstack. Use obstack
3263 (lambda_compute_step_signs, lambda_compute_access_matrices): New
3264 argument lambda_obstack. Pass it down.
3266 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3268 * optabs.h (expand_widening_mult): Declare.
3270 2010-04-22 Richard Guenther <rguenther@suse.de>
3272 PR tree-optimization/43845
3273 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3274 lookup the CALL_EXPR function and arguments.
3276 2010-04-22 Nick Clifton <nickc@redhat.com>
3278 * config/stormy16/stormy16.c
3279 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3280 * config/stormy16/stormy16.h: Tidy up formatting.
3281 (DONT_USE_BUILTIN_SETJMP): Remove definition.
3282 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3283 (ineqbranchsi): Delete pattern.
3284 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3285 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3286 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3287 stormy16-lib2-ucmpsi2.c.
3289 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3291 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3292 df_simulate_find_noclobber_defs as appropriate. Keep track of an
3293 extra set merge_set_noclobber, and use it to relax the final test
3295 * df.h (df_simulate_find_noclobber_defs): Declare.
3296 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3298 (df_simulate_find_noclobber_defs): New function.
3300 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
3302 * config/i386/i386.md: Use {} around multi-line preparation statements.
3304 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3306 * c-tree.h (push_init_level, pop_init_level, set_init_index)
3307 (process_init_element): New argument of type struct obstack *.
3309 * c-typeck.c (push_init_level, pop_init_level, set_designator)
3310 (set_init_index, set_init_label, set_nonincremental_init)
3311 (set_nonincremental_init_from_string, find_init_member)
3312 (output_init_element, output_pending_init_elements)
3313 (process_init_element): New argument braced_init_obstack. Pass it
3315 (push_range_stack, add_pending_init): New argument
3316 braced_init_obstack. Use obstack allocation.
3318 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3319 braced_init_obstack. Pass it down.
3320 (c_parser_braced_init): New variables ret, braced_init_obstack.
3321 Initialize obstack, pass it down and finally free it.
3323 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3326 * tree-pass.h (pass_optimize_widening_mul): Declare.
3327 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3328 gate_optimize_widening_mul): New static functions.
3329 (pass_optimize_widening_mul): New.
3330 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3331 <case MULT_EXPR>: Remove support for widening multiplies.
3332 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3333 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3334 simplify_gen_unary rather than directly building extensions.
3335 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3337 * expmed.c (expand_widening_mult): New function.
3338 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3340 2010-04-21 Jan Hubicka <jh@suse.cz>
3342 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3343 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3344 * lto-wpa-fixup.c: Remove.
3345 * Makefile.in (lto-wpa-fixup.o): Remove.
3346 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3347 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3348 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3350 2010-04-21 Jan Hubicka <jh@suse.cz>
3352 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3353 add write_optimization_summary, read_optimization_summary.
3354 (ipa_write_summaries_of_cgraph_node_set): Remove.
3355 (ipa_write_optimization_summaries): Declare.
3356 (ipa_read_optimization_summaries): Declare.
3357 * ipa-cp.c (pass_ipa_cp): Update.
3358 * ipa-reference.c (pass_ipa_reference): Update.
3359 * ipa-pure-const.c (pass_ipa_pure_const): Update.
3360 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3362 * ipa-inline.c (pass_ipa_inline): Update.
3363 * ipa.c (pass_ipa_whole_program): Update.
3364 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3365 * passes.c (ipa_write_summaries_1): Do not test wpa.
3366 (ipa_write_optimization_summaries_1): New.
3367 (ipa_write_optimization_summaries): New.
3368 (ipa_read_summaries): Do not test ltrans.
3369 (ipa_read_optimization_summaries_1): New.
3370 (ipa_read_optimization_summaries): New.
3372 2010-04-21 Jan Hubicka <jh@suse.cz>
3374 * lto-cgraph.c (lto_output_node): Do not output comdat groups
3376 (output_cgraph): Do not arrange comdat groups for boundary nodes.
3378 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3381 * dwarf2out.c (add_name_and_src_coords_attributes): Add
3382 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3384 2010-04-21 Jan Hubicka <jh@suse.cz>
3386 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3388 2010-04-21 Jan Hubicka <jh@suse.cz>
3390 * varpool.c (decide_is_variable_needed): Variable is always needed
3393 2010-04-21 Jan Hubicka <jh@suse.cz>
3395 * opts.c (decode_options): Enable pure-const pass for whopr.
3397 2010-04-21 Jan Hubicka <jh@suse.cz>
3399 * cgraph.c (dump_cgraph_node): Dump also assembler name.
3400 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3402 (cgraph_decide_inlining): Do not expect callee to be removed in all
3405 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
3407 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3409 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3411 * config/i386/i386.md (x86_shrd): Add athlon_decode and
3412 amdfam10_decode attributes.
3414 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3417 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3418 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3419 (lower_copyprivate_clauses): Use private var in outer
3420 context instead of original var. Make sure the types
3421 are correct for VLAs.
3423 2010-04-21 Richard Guenther <rguenther@suse.de>
3425 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3426 to non-pointer objects.
3428 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3430 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
3431 last chain entry if it starts with the still current label.
3432 (add_location_or_const_value_attribute): Check that
3433 loc_list->first->next is NULL instead of comparing ->first with ->last.
3434 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3435 to add_var_loc_to_decl.
3437 * dwarf2out.c (output_call_frame_info): For dw_cie_version
3438 >= 4 add also address size and segment size fields into CIE header.
3440 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3441 long as address size is the same as sizeof (void *) and
3443 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
3444 address size or segment size is unexpected, return DW_EH_PE_omit.
3445 (classify_object_over_fdes): If get_cie_encoding returned
3446 DW_EH_PE_omit, return -1.
3447 (init_object): If classify_object_over_fdes returned -1,
3448 pretend there were no FDEs at all.
3450 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3452 * config/i386/i386.md (bswap<mode>2): Macroize expander from
3453 bswap{si,di}2 using SWI48 mode iterator.
3454 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3455 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
3456 set modrm attribute of bswap insn to 0 and remove length attribute.
3457 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3458 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
3459 set mode attribute to <MODE> and remove length attribute.
3461 2010-04-20 James E. Wilson <wilson@codesourcery.com>
3463 PR rtl-optimization/43520
3464 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3465 zero available registers.
3467 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3469 * builtins.c (fold_builtin_cproj): Fold more cases.
3471 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3473 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3474 (fold_builtin_1): Fold builtin cproj.
3475 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3476 Use ATTR_CONST_NOTHROW_LIST.
3478 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
3480 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3481 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
3482 ffsi2_no_cmove for !TARGET_CMOVE.
3483 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
3484 (ffssi2): Remove expander.
3485 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3487 (ctz<mode>2): Ditto from ctz{si,di}2.
3488 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3490 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3493 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3495 * dwarf2out.c (AT_linkage_name): Define.
3496 (clone_as_declaration): Handle DW_AT_linkage_name.
3497 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3498 of DW_AT_MIPS_linkage_name.
3499 (move_linkage_attr): Likewise.
3500 (dwarf2out_finish): Likewise.
3502 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
3505 * fold-const.c (fold_comparison): New folding rule.
3507 2010-04-20 Anatoly Sokolov <aesok@post.ru>
3509 * double-int.h (double_int_setbit): Declare.
3510 * double-int.c (double_int_setbit): New function.
3511 * rtl.h (immed_double_int_const): Declare.
3512 * emit-rtl.c (immed_double_int_const): New function.
3513 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3514 and immed_double_int_const functions.
3515 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3516 expand_copysign_bit): (Ditto.).
3517 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3518 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3519 * dojump.c (prefer_and_bit_test): (Ditto.).
3520 * expr.c (convert_modes, reduce_to_bit_field_precision,
3521 const_vector_from_tree): (Ditto.).
3522 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3524 2010-04-20 Jan Hubicka <jh@suse.cz>
3526 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3527 (dump_cgraph_node): Dump new flags.
3528 * cgraph.h (struct cgraph_node): Add flags
3529 reachable_from_other_partition and in_other_partition.
3530 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3531 other partition can not be removed.
3532 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3533 the other partition must be output; silence sanity checking on
3534 leaking functions bodies from other paritition.
3535 * lto-cgraph.c (reachable_from_other_partition_p): New function.
3536 (lto_output_node): Output new flags; do not sanity check that inline
3537 clones are output; drop lto_forced_extern_inline_p code; do not mock
3538 visibility flags at partition boundaries.
3539 (add_node_to): New function.
3540 (output_cgraph): Use it to sort functions so masters appear before
3542 (input_overwrite_node): Input new flags.
3543 * passes.c (ipa_write_summaries): Do not call
3544 lto_new_extern_inline_states.
3545 * lto-section-out.c (forced_extern_inline,
3546 lto_new_extern_inline_states lto_delete_extern_inline_states,
3547 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3548 * lto-streamer.h (lto_new_extern_inline_states,
3549 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3550 lto_forced_extern_inline_p): Kill.
3552 2010-04-20 Richard Guenther <rguenther@suse.de>
3554 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3555 from vars that can have pointers.
3556 (process_constraint): Dump useless constraints.
3558 2010-04-20 Richard Guenther <rguenther@suse.de>
3560 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3561 (dump_sa_points_to_info): Remove asserts.
3562 (init_base_vars): nothing_id isn't an escape point nor does it
3565 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3567 * tree.h (TYPE_REF_IS_RVALUE): Define.
3568 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3569 should_move_die_to_comdat, prune_unused_types_walk): Handle
3570 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3571 (modified_type_die, gen_reference_type_die): Emit
3572 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3573 if TYPE_REF_IS_RVALUE and -gdwarf-4.
3575 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3578 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3579 calls for -fpic -m31 if they have been sibcall optimized.
3581 2010-04-19 James E. Wilson <wilson@codesourcery.com>
3583 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3584 ar.lc fixed and call-used.
3586 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3588 2010-04-19 Jan Hubicka <jh@suse.cz>
3590 * opts.c (decode_options): Disable whpr incompatible passes.
3591 * lto/lto.c (lto_1_to_1_map): Skip clones.
3592 (read_cgraph_and_symbols): Do not mark everything as needed.
3593 (do_whole_program_analysis): Do map only after optimizing;
3594 set proper cgraph_state; use passmanager.
3596 2010-04-19 DJ Delorie <dj@redhat.com>
3598 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3599 POINTER_PLUS_EXPR and fix them.
3601 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
3603 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3604 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3605 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3606 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3607 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3608 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3609 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3610 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3611 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3612 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3613 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3615 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
3617 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3618 (check_cond_move_block): Likewise.
3619 (cond_move_process_if_block): Likewise.
3620 (noce_find_if_block): Improve formatting.
3621 (find_if_header): Pass 0 to memset and tweak conditions.
3622 (cond_exec_find_if_block): Fix long lines and tweak conditions.
3624 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3626 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3630 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3631 with non-local decl doesn't need chain.
3633 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
3635 * ira-color.c (allocno_reload_assign): Avoid accumulating
3636 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3638 2010-04-19 Martin Jambor <mjambor@suse.cz>
3640 * gimple.h (create_tmp_reg): Declare.
3641 * gimplify.c (create_tmp_reg): New function.
3642 (gimplify_return_expr): Use create_tmp_reg.
3643 (gimplify_omp_atomic): Likewise.
3644 (gimple_regimplify_operands): Likewise.
3645 * tree-dfa.c (make_rename_temp): Likewise.
3646 * tree-predcom.c (predcom_tmp_var): Likewise.
3647 (reassociate_to_the_same_stmt): Likewise.
3648 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3649 (get_replaced_param_substitute): Likewise.
3650 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3651 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3652 * tree-ssa-pre.c (get_representative_for): Likewise.
3653 (create_expression_by_pieces): Likewise.
3654 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3655 (create_tailcall_accumulator): Likewise.
3657 2010-04-19 Martin Jambor <mjambor@suse.cz>
3659 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3661 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3663 2010-04-19 Richard Guenther <rguenther@suse.de>
3665 PR tree-optimization/43796
3666 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3667 from SCEV in the lattice.
3668 (vrp_visit_phi_node): Dump change.
3670 2010-04-19 Richard Guenther <rguenther@suse.de>
3672 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3673 * configure: Re-generated.
3675 2010-04-19 Richard Guenther <rguenther@suse.de>
3677 PR tree-optimization/43783
3678 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3679 constant ARRAY_REF operands two and three if possible.
3681 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
3684 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3686 2010-04-19 Jie Zhang <jie@codesourcery.com>
3689 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3691 2010-04-19 Ira Rosen <irar@il.ibm.com>
3693 PR tree-optimization/37027
3694 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3695 and macro to access it.
3696 (vectorizable_reduction): Add argument.
3697 (vect_get_slp_defs): Likewise.
3698 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3699 statements for possible use in SLP.
3700 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3701 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3702 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3704 (vectorizable_reduction): Likewise.
3705 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3707 (vectorizable_type_demotion, vectorizable_type_promotion,
3708 vectorizable_store): Likewise.
3709 (vect_analyze_stmt): Update call to vectorizable_reduction.
3710 (vect_transform_stmt): Likewise.
3711 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3712 (vect_build_slp_tree): Fix indentation. Check that there are no loads
3713 from different interleaving chains in same node.
3714 (vect_slp_rearrange_stmts): New function.
3715 (vect_supported_load_permutation_p): Allow load permutations for
3716 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3717 inside SLP nodes if necessary.
3718 (vect_analyze_slp_instance): Handle reductions.
3719 (vect_analyze_slp): Try to build SLP instances originating from groups
3721 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3722 (vect_get_constant_vectors): Create initial vectors for reductions
3723 according to reduction code. Add new argument.
3724 (vect_get_slp_defs): Add new argument, pass it to
3725 vect_get_constant_vectors.
3726 (vect_schedule_slp_instance): Remove SLP tree root statements.
3728 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3730 * tree.h (ENUM_IS_SCOPED): Define.
3731 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3732 for ENUM_IS_SCOPED enums.
3734 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
3736 * fold-const.c (fold_comparison): Use ssizetype.
3737 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3738 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3739 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3740 * tree-object-size.c (compute_object_sizes): Use size_type_node.
3742 * tree.h (initialize_sizetypes): Remove parameter.
3743 (build_common_tree_nodes): Remove second parameter.
3744 * stor-layout.c (initialize_sizetypes): Remove parameter.
3745 Always create an unsigned type.
3746 (set_sizetype): Assert that the passed type is unsigned and simplify.
3747 * tree.c (build_common_tree_nodes): Remove second parameter.
3748 Adjust call to initialize_sizetypes.
3749 * c-decl.c (c_init_decl_processing): Remove second argument in call to
3750 build_common_tree_nodes.
3752 2010-04-18 Matthias Klose <doko@ubuntu.com>
3754 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3756 2010-04-18 Ira Rosen <irar@il.ibm.com>
3758 PR tree-optimization/43771
3759 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3760 load permutation doesn't have gaps.
3762 2010-04-18 Jan Hubicka <jh@suse.cz>
3764 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3765 (sse_prologue_save_insn expander): Use new pattern.
3766 (sse_prologue_save_insn1): New pattern and splitter.
3767 (sse_prologue_save_insn): Update to deal also with 64bit aligned
3769 * i386.c (setup_incoming_varargs_64): Do not compute jump
3771 (ix86_gimplify_va_arg): Update alignment needed.
3772 (ix86_local_alignment): Do not align all local arrays to 128bit.
3774 2010-04-17 Jan Hubicka <jh@suse.cz>
3776 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3778 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3780 * arm.md (negdi2): Remove redundant code to force values into a
3783 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3785 * arm/bpabi.S: Add EABI alignment attributes to objects.
3786 * arm/bpabi-v6m.S: Likewise.
3787 * arm/crti.asm: Likewise.
3788 * arm/crtn.asm: Likewise.
3789 * arm/lib1funcs.asm: Likewise.
3790 * arm/libunwind.S: Likewise.
3792 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3794 * arm-protos.h (tune_params): New structure.
3795 * arm.c (current_tune): New variable.
3796 (arm_constant_limit): Delete.
3797 (struct processors): Add pointer to the tune parameters.
3798 (arm_slowmul_tune): New tuning option.
3799 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3800 (all_cores): Adjust to pick up the tuning model.
3801 (arm_constant_limit): New function.
3802 (arm_override_options): Select the appropriate tuning model. Delete
3803 initialization of arm_const_limit.
3804 (arm_split_constant): Use the new constant-limit model.
3805 (arm_rtx_costs): Pick up the current tuning model.
3806 * arm.md (is_strongarm, is_xscale): Delete.
3807 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3808 for Xscale variant architectures.
3809 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3811 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3813 * config/arm/arm.c (arm_gen_constant): Remove unused variable
3815 (arm_rtx_costs_1): Remove unused variable extra_cost.
3816 (arm_unwind_emit_set): Use variable offset.
3817 (thumb1_output_casesi): Remove unused variable flags.
3819 2010-04-16 Jeff Law <law@redhat.com>
3821 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3822 needing assignment rather than doing a two-phase assignment. Remove
3823 unused variable 'm'.
3825 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3828 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3830 2010-04-16 Doug Kwan <dougkwan@google.com>
3832 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3833 (next_operand_entry_id): New static variable.
3834 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3835 (add_to_ops_vec): Assigned unique ID to operand entry.
3836 (struct oecount_s): New field ID.
3837 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3838 (undistribute_ops_list): Assign unique IDs to oecounts.
3839 (init_reassoc): reset next_operand_entry_id.
3841 2010-04-16 Doug Kwan <dougkwan@google.com>
3843 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3844 missing left parenthesis.
3846 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
3848 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3849 *btdi_rex64 using SWI48 mode iterator.
3850 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3851 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3852 *jcc_btdi_mask_rex64.
3854 2010-04-16 Anatoly Sokolov <aesok@post.ru>
3856 * double-int.h (tree_to_double_int): Convert to macro.
3857 * double-int.c (tree_to_double_int): Remove.
3859 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3862 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3863 with want_address 2 and in case a single element list might be
3864 possible, call it again with want_address 0.
3866 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3868 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3869 case 'W' print operands for HI mode.
3870 * config/h8300/h8300.h (Y0, Y2) : New constraints.
3871 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3872 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3873 * config/h8300/predicate.md (bit_register_indirect_operand): New.
3875 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3877 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3878 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3879 #xx:3 and #xx:4 mode.
3881 * config/h8300/h8300.md (inverted load with HImode dest): Add
3882 support for H8300SX.
3884 * config/h8300/predicate.md (bit_operand): Allow immediate values that
3885 satisfy 'U' constraint.
3887 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3889 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3890 * configure: Regenerate.
3891 * config.in: Regenerate.
3892 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3895 2010-04-16 Richard Guenther <rguenther@suse.de>
3897 * tree.h (struct tree_decl_minimal): Move pt_uid ...
3898 (struct tree_decl_common): ... here.
3899 (DECL_PT_UID): Adjust.
3900 (SET_DECL_PT_UID): Likewise.
3901 (DECL_PT_UID_SET_P): Likewise.
3903 2010-04-16 Richard Guenther <rguenther@suse.de>
3905 PR tree-optimization/43572
3906 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3907 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3908 * tree-flow.h (is_call_clobbered): Remove.
3909 * tree-flow-inline.h (is_call_clobbered): Likewise.
3910 * tree-dfa.c (dump_variable): Do not dump call clobber state.
3911 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3912 (execute_return_slot_opt): Adjust.
3913 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3914 check for call clobbered vars here.
3915 (find_tail_calls): Move tailcall verification to the
3918 2010-04-16 Diego Novillo <dnovillo@google.com>
3920 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3922 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3925 * config/arm/arm.md (cbranchqi4): New pattern.
3926 * config/arm/predicates.md (const0_operand,
3927 cbranchqi4_comparison_operator): New predicates.
3929 2010-04-16 Richard Guenther <rguenther@suse.de>
3931 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3932 (dump_gimple_stmt): Likewise.
3934 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3936 * recog.h (struct recog_data): New field is_operator.
3937 (struct insn_operand_data): New field is_operator.
3938 * recog.c (extract_insn): Set recog_data.is_operator.
3939 * genoutput.c (output_operand_data): Emit code to set the
3941 * reload.c (find_reloads): Use it rather than testing for an
3942 empty constraint string.
3945 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3946 If the previous insn is a cbranchsi4_insn with the same arguments,
3947 omit the compare instruction.
3949 * config/arm/arm.md (addsi3_cbranch): If destination is a high
3950 register, inputs must be low registers and we need a low register
3951 scratch. Handle alternative 2 like alternative 3.
3953 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3955 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3956 don't call get_addr on both. If one expression is a VALUE and
3957 the other a REG, check VALUE's locs if the REG isn't among them.
3959 2010-04-16 Christian Bruel <christian.bruel@st.com>
3961 * config/sh/sh.h (sh_frame_pointer_required): New function.
3962 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3963 (flag_omit_frame_pointer) Set.
3964 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3965 (rounded_frame_size): Adjust size with outgoing_args_size.
3966 (sh_set_return_address): Must return from stack pointer.
3967 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3968 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3969 (ACCUMULATE_OUTGOING_ARGS): Define.
3970 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3971 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3973 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3976 * config/sh/sh.c (sh_legitimize_reload_address): Use
3977 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3978 Remove a unneeded check for offset_base.
3980 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
3982 * configure: Regenerated.
3984 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3986 * config/s390/s390.c (s390_call_save_register_used): Switch back
3987 to HARD_REGNO_NREGS.
3989 2010-04-15 Richard Guenther <rguenther@suse.de>
3991 * alias.c (alias_set_subset_of): Handle alias-set zero
3994 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
3995 Julian Brown <julian@codesourcery.com>
3997 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3998 alternatives according to use of high and low regs.
3999 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
4000 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
4001 optimizing for size on Thumb-2.
4003 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
4005 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
4007 2010-04-15 Richard Guenther <rguenther@suse.de>
4009 * tree-ssa-structalias.c (struct variable_info): Add
4011 (new_var_info): Initialize it.
4012 (dump_constraints): Support printing last added constraints.
4013 (debug_constraints): Adjust.
4014 (dump_constraint_graph): Likewise.
4015 (make_heapvar_for): Check for NULL cfun.
4016 (get_function_part_constraint): New function.
4017 (get_fi_for_callee): Likewise.
4018 (find_func_aliases): Properly implement IPA PTA constraints.
4019 (process_ipa_clobber): New function.
4020 (find_func_clobbers): Likewise.
4021 (insert_into_field_list_sorted): Remove.
4022 (create_function_info_for): Properly allocate vars for IPA mode.
4023 Do not use insert_into_field_list_sorted.
4024 (create_variable_info_for): Properly generate constraints for
4025 global vars in IPA mode.
4026 (dump_solution_for_var): Always dump the solution.
4027 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
4028 (find_what_var_points_to): Adjust.
4029 (pt_solution_set): Change.
4030 (pt_solution_ior_into): New function.
4031 (pt_solution_empty_p): Export.
4032 (pt_solution_includes_global): Adjust.
4033 (pt_solution_includes_1): Likewise.
4034 (pt_solutions_intersect_1): Likewise.
4035 (dump_sa_points_to_info): Check some invariants.
4036 (solve_constraints): Move constraint dumping ...
4037 (compute_points_to_sets): ... here.
4038 (ipa_pta_execute): ... and here.
4039 (compute_may_aliases): Do not re-compute points-to info
4040 locally if IPA info is available.
4041 (ipa_escaped_pt): New global var.
4042 (ipa_pta_execute): Properly implement IPA PTA.
4043 * tree-into-ssa.c (dump_decl_set): Support dumping
4044 decls not in referenced-vars.
4045 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
4046 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
4047 (dump_points_to_solution): Likewise.
4048 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
4049 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
4050 (remap_gimple_stmt): Reset call clobber/use information if necessary.
4051 (copy_decl_to_var): Copy DECL_PT_UID.
4052 (copy_result_decl_to_var): Likewise.
4053 * tree.c (make_node_stat): Initialize DECL_PT_UID.
4054 (copy_node_stat): Copy it.
4055 * tree.h (DECL_PT_UID): New macro.
4056 (SET_DECL_PT_UID): Likewise.
4057 (DECL_PT_UID_SET_P): Likewise.
4058 (struct tree_decl_minimal): Add pt_uid member.
4059 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
4060 (pt_solution_empty_p): Declare.
4061 (pt_solution_set): Adjust.
4062 (ipa_escaped_pt): Declare.
4063 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
4064 * gimple-pretty-print.c (pp_points_to_solution): New function.
4065 (dump_gimple_call): Dump call clobber/use information.
4066 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
4067 * tree-pass.h (TDF_ALIAS): New dump option.
4068 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
4069 * doc/invoke.texi (-fipa-pta): Update documentation.
4071 2010-04-15 Richard Guenther <rguenther@suse.de>
4073 * Makefile.in (OBJS-common): Add gimple-fold.o.
4074 (gimple-fold.o): New rule.
4075 * tree.h (maybe_fold_offset_to_reference,
4076 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
4078 * gimple.h: ... here.
4079 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
4080 may_propagate_address_into_dereference): Move prototypes ...
4081 * gimple.h: ... here.
4082 * tree-ssa-ccp.c (get_symbol_constant_value,
4083 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
4084 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
4085 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
4086 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
4087 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
4088 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
4089 gimplify_and_update_call_from_tree): Move ...
4090 * gimple-fold.c: ... here. New file.
4091 (ccp_fold_builtin): Rename to ...
4092 (gimple_fold_builtin): ... this.
4093 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
4095 2010-04-15 Richard Guenther <rguenther@suse.de>
4097 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
4098 fit_double_type, force_fit_type_double, add_double_with_sign,
4099 neg_double, mul_double_with_sign, lshift_double, rshift_double,
4100 lrotate_double, rrotate_double, div_and_round_double): Move ...
4101 * double-int.c: ... here.
4102 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
4103 add_double, neg_double, mul_double_with_sign, mul_double,
4104 lshift_double, rshift_double, lrotate_double, rrotate_double,
4105 div_and_round_double): Move prototypes ...
4106 * double-int.h: ... here.
4108 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
4111 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
4112 matching constraints to ensure inputs match the output.
4114 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
4117 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
4118 in an input-only operand.
4120 2010-04-15 Anatoly Sokolov <aesok@post.ru>
4122 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
4123 (double_int_not, double_int_lshift, double_int_rshift): Declare.
4124 (double_int_negative_p): Convert to static inline function.
4125 * double-int.c (double_int_lshift, double_int_lshift): New functions.
4126 (double_int_negative_p): Remove.
4127 * tree.h (lshift_double, rshift_double):
4128 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
4129 * fold-const.c (fold_convert_const_int_from_real,
4130 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
4131 (lshift_double): Change type of arith argument to bool.
4132 (rshift_double): Change type of arith argument to bool. Correct
4134 * expmed.c (mask_rtx, lshift_value): (Ditto.).
4136 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
4139 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
4140 at the start and end of the then/else blocks, and omit them from the
4142 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
4143 argument; all callers changed. Pass zero to old_insns_match_p instead.
4144 (flow_find_head_matching_sequence): New function.
4145 (old_insns_match_p): Check REG_EH_REGION notes for calls.
4146 * basic-block.h (flow_find_cross_jump,
4147 flow_find_head_matching_sequence): Declare functions.
4149 2010-04-14 Jason Merrill <jason@redhat.com>
4152 * c-common.c (attribute_takes_identifier_p): New fn.
4153 * c-common.h: Declare it.
4155 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4157 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
4159 (*udivmod<mode>4): Ditto.
4161 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4163 * config/i386/i386.md (maxmin_int): Rename code attribute from
4164 maxminiprefix and update all users.
4165 (maxmin_float): Ditto from maxminfprefix.
4166 (logic): Ditto from logicprefix.
4167 (absneg_mnemonic): Ditto from absnegprefix.
4168 * config/i386/mmx.md: Update all users of maxminiprefix,
4169 maxminfprefix and logicprefix for rename.
4170 * config/i386/sse.md: Ditto.
4171 * config/i386/sync.md (sync_<code><mode>): Update for
4174 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
4177 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
4178 warnings converted to errors.
4180 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4182 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
4183 used insn_type variable.
4184 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
4185 to avoid set-but-not-used warning.
4187 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4189 * df-core.c (df_ref_debug): Change format string placeholder
4191 * dwarf2asm.c (dw2_asm_output_data_raw,
4192 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
4193 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
4194 * dwarf2out.c (output_cfi, output_cfi_directive,
4195 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
4196 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
4198 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
4199 * print-rtl.c (print_rtx): Ditto.
4201 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
4204 * builtins.c (expand_builtin_pow_root): New function to expand pow
4205 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
4206 series of sqrt and cbrt calls under -ffast-math.
4207 (expand_builtin_pow): Call it.
4209 2010-04-14 Michael Matz <matz@suse.de>
4211 PR tree-optimization/42963
4212 * tree-cfg.c (touched_switch_bbs): New static variable.
4213 (group_case_labels_stmt): New function broken out from ...
4214 (group_case_labels): ... here, use the above.
4215 (start_recording_case_labels): Allocate touched_switch_bbs.
4216 (end_recording_case_labels): Deallocate it, call
4217 group_case_labels_stmt.
4218 (gimple_redirect_edge_and_branch): Remember index of affected BB.
4220 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4222 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
4225 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4227 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
4229 2010-04-13 Jan Hubicka <jh@suse.cz>
4231 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
4232 of optimized out static functions.
4233 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
4234 cost computation. Also sanity check for overflows.
4235 (update_caller_keys): Update cgraph_edge_badness call; properly
4236 update fibheap and sanity check that it is up to date.
4237 (add_new_edges_to_heap): Update cgraph_edge_badness.
4238 (cgraph_decide_inlining_of_small_function): Likewise;
4239 add sanity checking that badness in heap is up to date;
4240 improve dumping of reason; Update badness of calls to the
4241 offline copy of function currently inlined; dump badness
4242 of functions not inlined because of unit growth limits.
4244 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
4247 * c-common.c (pointer_int_sum): Disregard overflow that occured only
4248 because of sign-extension change when converting to sizetype here...
4249 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
4251 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
4252 the folding to constants. Remove redundant final conversion.
4253 (fold_binary) <associate>: Do not associate if the re-association of
4254 constants alone overflows.
4255 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
4256 to the end of the list.
4257 (multiple_of_p) <COND_EXPR>: New case.
4259 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
4261 * opt-functions.awk (opt_sanitized_name): New.
4263 * optc-gen.awk: Use it
4264 * opth-gen.awk: Use it.
4266 2010-04-13 Martin Jambor <mjambor@suse.cz>
4268 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
4269 (sra_modify_assign): Delete stmts loading dead data even if racc has no
4270 children. Call replace_uses_with_default_def_ssa_name to handle
4273 2010-04-13 Michael Matz <matz@suse.de>
4276 * builtins.c (expand_builtin_interclass_mathfn): Also create
4277 a register if the predicate doesn't match.
4279 2010-04-13 Diego Novillo <dnovillo@google.com>
4281 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
4282 * c-pch.c: Include timevar.h.
4283 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
4284 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
4285 * ggc-common.c: Include timevar.h.
4286 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
4287 * timevar.def (TV_PCH_SAVE): Define.
4288 (TV_PCH_CPP_SAVE): Define.
4289 (TV_PCH_PTR_REALLOC): Define.
4290 (TV_PCH_PTR_SORT): Define.
4291 (TV_PCH_RESTORE): Define.
4292 (TV_PCH_CPP_RESTORE): Define.
4294 2010-04-13 Michael Matz <matz@suse.de>
4296 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
4298 (can_reassociate_p): New function.
4299 (break_up_subtract_bb, reassociate_bb): Use it.
4301 2010-04-13 Richard Guenther <rguenther@suse.de>
4304 * builtins.c (c_readstr): Fix assert.
4306 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
4308 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
4309 when generating cltd insn.
4311 (*ashl<mode>3_1): Remove special handling for register operand 2.
4312 (*ashlsi3_1_zext): Ditto.
4313 (*ashlhi3_1): Ditto.
4314 (*ashlhi3_1_lea): Ditto.
4315 (*ashlqi3_1): Ditto.
4316 (*ashlqi3_1_lea): Ditto.
4317 (*<shiftrt_insn><mode>3_1): Ditto.
4318 (*<shiftrt_insn>si3_1_zext): Ditto.
4319 (*<shiftrt_insn>qi3_1_slp): Ditto.
4320 (*<rotate_insn><mode>3_1): Ditto.
4321 (*<rotate_insn>si3_1_zext): Ditto.
4322 (*<rotate_insn>qi3_1_slp): Ditto.
4324 2010-04-13 Richard Guenther <rguenther@suse.de>
4326 * tree-ssa-structalias.c (callused_id): Remove.
4327 (call_stmt_vars): New.
4328 (get_call_vi): Likewise.
4329 (lookup_call_use_vi): Likewise.
4330 (lookup_call_clobber_vi): Likewise.
4331 (get_call_use_vi): Likewise.
4332 (get_call_clobber_vi): Likewise.
4333 (make_transitive_closure_constraints): Likewise.
4334 (handle_const_call): Adjust to do per-call call-used handling.
4335 (handle_pure_call): Likewise.
4336 (find_what_var_points_to): Remove general callused handling.
4337 (init_base_vars): Likewise.
4338 (init_alias_vars): Initialize call_stmt_vars.
4339 (compute_points_to_sets): Process call-used and call-clobbered
4340 vars for call statements.
4341 (delete_points_to_sets): Free call_stmt_vars.
4343 2010-04-13 Richard Guenther <rguenther@suse.de>
4345 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4346 Only add RW dependence for dependence distance zero.
4347 Adjust maximal vectorization factor according to dependences.
4348 Move alignment handling ...
4349 (vect_find_same_alignment_drs): ... here. New function.
4350 (vect_analyze_data_ref_dependences): Adjust.
4351 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
4352 (vect_analyze_data_refs): Adjust minimal vectorization factor
4353 according to data references.
4354 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
4355 dependences before determining the vectorization factor.
4356 Analyze alignment after determining the vectorization factor.
4357 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
4358 dependences before alignment.
4359 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
4361 (vect_analyze_data_refs): Likewise.
4362 (MAX_VECTORIZATION_FACTOR): New define.
4364 2010-04-13 Duncan Sands <baldrick@free.fr>
4366 * except.h (lang_eh_type_covers): Remove.
4367 * except.c (lang_eh_type_covers): Likewise.
4369 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4370 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4372 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
4373 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
4374 UNITS_PER_LONG where it is ABI relevant.
4375 (s390_return_addr_rtx): Likewise.
4376 (s390_back_chain_rtx): Likewise.
4377 (s390_frame_area): Likewise.
4378 (s390_frame_info): Likewise.
4379 (s390_initial_elimination_offset): Likewise.
4380 (save_gprs): Likewise.
4381 (s390_emit_prologue): Likewise.
4382 (s390_emit_epilogue): Likewise.
4383 (s390_function_arg_advance): Likewise.
4384 (s390_function_arg): Likewise.
4385 (s390_va_start): Likewise.
4386 (s390_gimplify_va_arg): Likewise.
4387 (s390_function_profiler): Likewise.
4388 (s390_optimize_prologue): Likewise.
4389 (s390_rtx_costs): Likewise.
4390 (s390_secondary_reload): Likewise.
4391 (s390_promote_function_mode): Likewise.
4392 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
4393 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
4394 registers available.
4395 (s390_unwind_word_mode): New function.
4396 (s390_function_value): Split 64 bit values into register pair if
4397 used as return value.
4398 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
4399 function call parameters. Handle parallels.
4400 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
4401 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4402 (DWARF_CIE_DATA_ALIGNMENT): New macro.
4403 (s390_expand_setmem): Remove unused variable src_addr.
4404 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
4405 deal with 64 bit registers.
4406 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
4407 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
4408 (UNITS_PER_LONG): New macro.
4409 * libjava/include/s390-signal.h: Define extended ucontext
4410 structure containing the upper halfs of the 64 bit registers.
4412 2010-04-13 Simon Baldwin <simonb@google.com>
4414 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
4416 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
4418 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
4419 rvalue on the RHS if the LHS is of a non-renamable type.
4420 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
4422 2010-04-13 Matthias Klose <doko@ubuntu.com>
4424 * gcc.c (cc1_options): Handle -iplugindir before processing
4425 the cc1 spec. Only add -iplugindir once.
4426 (cpp_unique_options): Add -iplugindir option if -fplugin* options
4428 * common.opt (iplugindir): Remove `Separate' property, initialize.
4429 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
4431 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
4432 (distclean): Remove plugin dir.
4433 * doc/invoke.texi: Document -iplugindir.
4435 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
4437 * doc/plugins.texi (Loading Plugins): Document short
4438 -fplugin=foo option.
4439 (Plugin API): Mention default_plugin_dir_name function.
4441 * gcc.c (find_file_spec_function): Add new declaration.
4442 (static_spec_func): Use it for "find-file".
4443 (find_file_spec_function): Add new function.
4444 (cc1_options): Add -iplugindir option if -fplugin* options found.
4446 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
4448 * plugin.c (add_new_plugin): Updated comment, and handle short
4450 (default_plugin_dir_name): Added new function.
4452 * common.opt (iplugindir): New option to set the plugin directory.
4454 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
4456 * config/i386/i386.md (any_rotate): New code iterator.
4457 (rotate_insn): New code attribute.
4459 (SWIM124): New mode iterator.
4460 (<rotate_insn>ti3): New expander.
4461 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
4462 any_rotate code iterator.
4463 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
4464 using any_rotate code iterator and SWIM124 mode iterator.
4465 (ix86_rotlti3): New insn_and_split pattern.
4466 (ix86_rotrti3): Ditto.
4467 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
4468 ix86_rotl{di,ti}3 patterns.
4469 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
4470 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
4471 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
4472 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
4473 code iterator and SWI mode iterator.
4474 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
4475 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
4477 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
4478 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
4479 (bswap rotatert splitter): Add splitter.
4480 (bswap splitter): Macroize splitter using any_rotate code iterator.
4481 Add insn predicate to split only for TARGET_USE_XCHGB or when
4482 optimizing function for size.
4484 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4486 * config/pa/pa.c (emit_move_sequence): Remove use of
4487 deleted variable flag_argument_noalias.
4489 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4491 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
4493 Add to unsupported targets list.
4494 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
4495 sparc*-sun-solaris2.[567]* from target lists.
4496 * configure: Regenerate.
4497 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
4499 Remove Solaris 7 patch references.
4500 (Specific, sparc-sun-solaris2.7): Removed.
4501 (sparc-sun-solaris2*): Update Solaris 7 example.
4502 (sparc64-*-solaris2*): Likewise.
4504 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4506 * config.build (alpha*-dec-osf4*): Remove.
4507 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
4508 of obsolete configurations.
4509 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
4511 * config/alpha/t-osf4: Renamed to ...
4512 * config/alpha/t-osf5: ... this.
4513 * config/alpha/osf.h: Renamed to ...
4514 * config/alpha/osf5.h: ... this.
4515 Merged old osf5.h contents.
4517 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
4518 (EXTRA_SPECS): Removed.
4519 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
4520 reflect removal of Tru64 UNIX V4.0/V5.0 support.
4523 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4525 * doc/contrib.texi (Contributors, Rainer Orth): Update.
4527 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
4530 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
4531 __thiscall convention.
4533 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4535 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
4537 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
4539 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4541 * function.c (assign_parms_initialize_all): Add unused attribute
4544 2010-04-12 Richard Guenther <rguenther@suse.de>
4546 * gsstruct.def (GSS_CALL): New.
4547 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
4548 * gimple.h: Include tree-ssa-alias.h.
4549 (struct gimple_statement_call): New.
4550 (union gimple_statement_struct_d): Add gimple_call member.
4551 (gimple_call_reset_alias_info): Declare.
4552 (gimple_call_use_set): New function.
4553 (gimple_call_clobber_set): Likewise.
4554 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
4555 * gimple.c (gimple_call_reset_alias_info): New function.
4556 (gimple_build_call_1): Call it.
4557 * lto-streamer-in.c (input_gimple_stmt): Likewise.
4558 * tree-inline.c (remap_gimple_stmt): Likewise.
4559 (expand_call_inline): Remove callused handling.
4560 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
4561 * tree-dfa.c (dump_variable): Likewise.
4562 * tree-parloops.c (parallelize_loops): Likewise.
4563 * tree-ssa.c (init_tree_ssa): Likewise.
4564 (delete_tree_ssa): Likewise.
4565 * tree-flow-inline.h (is_call_used): Remove.
4566 * tree-flow.h (struct gimple_df): Remove callused member.
4567 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
4568 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
4569 (ref_maybe_used_by_call_p_1): Simplify.
4570 (call_may_clobber_ref_p_1): Likewise.
4571 * tree-ssa-structalias.c (compute_points_to_sets): Set
4572 the call stmt used and clobbered sets.
4573 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
4574 (find_tail_calls): Verify the tail call.
4576 2010-04-12 Richard Guenther <rguenther@suse.de>
4578 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
4579 single-iteration always-inline inlining.
4580 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
4581 (cgraph_decide_inlining): Do not handle always-inline specially.
4582 (try_inline): Remove always-inline cycle detection special case.
4583 Do not recurse on always-inlines.
4584 (cgraph_early_inlining): Do not iterate if not optimizing.
4585 (cgraph_gate_early_inlining): remove.
4586 (pass_early_inline): Run unconditionally.
4587 (gate_cgraph_decide_inlining): New function.
4588 (pass_ipa_inline): Use it. Do not run the IPA inliner if
4589 not inlining or optimizing.
4590 (cgraph_decide_inlining_of_small_functions): Also consider
4591 always-inline functions.
4592 (cgraph_default_inline_p): Return true for nodes which should
4593 disregard inline limits.
4594 (estimate_function_body_sizes): Assume zero size and time for
4595 nodes which are marked as disregarding inline limits.
4596 (cgraph_decide_recursive_inlining): Do not perform recursive
4597 inlining on always-inline nodes.
4599 2010-04-12 Jakub Jelinek <jakub@redhat.com>
4602 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
4603 for exprs satisfying handled_component_p.
4605 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
4607 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
4608 non-constant aggregate elements.
4610 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
4611 is a real initialization.
4613 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
4616 * c-decl.c (start_function): Move forward check for nested function.
4618 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
4620 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
4621 * config/sh/sh.c: Include reload.h.
4622 (sh_legitimize_reload_address): New.
4623 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
4624 sh_legitimize_reload_address.
4626 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4628 * config/sh/sh.md (*movqi_pop): New insn pattern.
4629 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
4631 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4633 * config/i386/i386.md (any_shiftrt): New code iterator.
4634 (shiftrt_insn): New code attribute.
4636 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
4637 using any_shiftrt code iterator.
4638 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
4639 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
4640 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
4641 pattern from corresponding peephole2 patterns.
4642 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
4643 using any_shiftrt code iterator.
4644 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
4645 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
4646 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
4647 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
4648 *{ashr,lshr}<mode>3_cmp_zext.
4649 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
4651 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4653 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
4655 (*lshr<mode>3_cconly): Ditto.
4657 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4659 * config/i386/i386.md (lshr<mode>3): Macroize expander from
4660 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4661 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4662 pattern from *lshr{di,ti}3_1 and corresponding splitters using
4664 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4665 from corresponding peephole2 patterns.
4666 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
4667 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
4668 and *lshrdi3_1_rex64 using SWI mode iterator.
4669 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
4670 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
4671 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
4672 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
4673 and *lshrdi3_cmp_rex64 using SWI mode iterator.
4674 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
4675 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
4676 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
4677 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
4680 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
4682 * config/i386/i386.md (ashr<mode>3): Macroize expander from
4683 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4684 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4685 pattern from *ashr{di,ti}3_1 and corresponding splitters using
4687 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4688 from corresponding peephole2 patterns.
4689 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
4690 (ashrsi3_cvt): Rename from ashrsi3_31.
4691 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
4692 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
4693 and x86_64_shift_adj_3 using SWI48 mode iterator.
4694 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
4695 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
4696 and *ashrdi3_1_rex64 using SWI mode iterator.
4697 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
4698 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
4699 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
4700 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
4701 and *ashrdi3_cmp_rex64 using SWI mode iterator.
4702 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
4703 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
4704 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
4705 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
4707 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
4708 * config/i386/i386.c (ix86_split_ashr): Update for renamed
4709 x86_shift<mode>_adj_3 expanders.
4711 2010-04-10 Wei Guozhi <carrot@google.com>
4714 * config/arm/arm.c (arm_pic_static_addr): New function.
4715 (legitimize_pic_address): Call arm_pic_static_addr when it detects
4717 (arm_output_addr_const_extra): Output expression for new pattern.
4718 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
4720 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
4722 * ira-costs.c (record_reg_classes): Ignore alternatives that are
4725 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
4726 * web.c: Include "insn-config.h" and "recog.h".
4727 (union_match_dups): New function.
4728 (web_main): Call it.
4729 (union_defs): Don't try to recognize match_dups.
4731 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
4732 if doing so would replace the entire pattern.
4734 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4738 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
4739 and splitter pattern. Change splitter operand 1 predicate to
4742 2010-04-09 Martin Jambor <mjambor@suse.cz>
4744 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
4745 lattices are addresses of CONST_DECLs with the same initial value.
4746 (ipcp_print_all_lattices): Print values of CONST_DECLs.
4747 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
4749 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
4750 Bernd Schmidt <bernds@codesourcery.com>
4752 * loop-invariant.c (replace_uses): New static function.
4753 (move_invariant_reg): Use it to ensure we can replace the uses.
4755 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
4757 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
4759 (picochip_override_options): Enable section anchors only above -O1.
4760 (picochip_reorg): Fixed a couple of build warnings.
4762 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4764 * configure.ac (plugin -rdynamic test): Log result.
4765 * configure: Regenerate.
4766 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
4767 (RDYNAMIC_SPEC): Define.
4768 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
4770 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4772 * configure.ac: Determine Sun ld version numbers.
4773 (comdat_group): Restrict GNU ld version checks to gld.
4774 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
4775 (enable_comdat): Support --enable-comdat.
4776 * configure: Regenerate.
4777 * doc/install.texi (Configuration): Document --enable-comdat.
4779 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4781 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
4782 * config/sol2-gld.h: ... here.
4783 * config.gcc (sparc*-*-solaris2*): Reflect this.
4784 (i[34567]86-*-solaris2*): Use it.
4786 2010-04-09 Steve Ellcey <sje@cup.hp.com>
4788 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
4790 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
4792 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4795 * diagnostic.c (diagnostic_initialize): Initialize
4796 some_warnings_are_errors.
4797 (diagnostic_finish): New.
4798 (diagnostic_action_after_output): Call it before exiting.
4799 (diagnostic_report_diagnostic): Do not print message here. Set
4800 some_warnings_are_errors.
4801 * diagnostic.h (diagnostic_context): Delete
4802 issue_warnings_are_errors_message. Add some_warnings_are_errors.
4803 (diagnostic_finish): Declare.
4804 * toplev.c (toplev_main): Call it before exit.
4806 2010-04-09 Jason Merrill <jason@redhat.com>
4809 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
4810 for incomplete type.
4813 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
4814 based on a warning flag.
4816 2010-04-09 Richard Guenther <rguenther@suse.de>
4818 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
4820 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
4823 * varasm.c (default_assemble_visibility): Wrap vars that are
4824 set, but unused, by targets without GAS.
4825 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
4826 Remove set, but unused, vars.
4827 (rs6000_legitimize_tls_address): Likewise.
4828 (altivec_expand_dst_builtin): Likewise.
4829 * config/darwin.c (machopic_classify_symbol): Likewise.
4830 (machopic_indirection_name): Likewise.
4832 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4834 * config/i386/i386.md (DWI): New mode iterator.
4835 (S): New mode attribute.
4836 (shift_operand): Ditto.
4837 (shift_immediate_operand): Ditto.
4838 (ashl_input_operand): Ditto.
4839 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
4840 using SDWIM mode iterator.
4841 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
4842 pattern from *ashl{di,ti}3_1 and corresponding splitters using
4844 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
4845 from corresponding peephole2 patterns.
4846 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
4847 and x86_64_shift_adj_1 using SWI48 mode iterator.
4848 (x86_shift<mode>_adj_2): Ditto.
4849 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
4850 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
4851 using SWI48 mode iterator.
4852 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
4853 *ashldi3_cmp_rex64 using SWI mode iterator.
4854 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
4855 *ashldi3_cconly_rex64 using SWI mode iterator.
4856 * config/i386/i386.c (ix86_split_ashl): Update for renamed
4857 x86_shift<mode>_adj_{1,2}.
4858 (ix86_split_ashr): Ditto.
4859 (ix86_split_lshr): Ditto.
4861 2010-04-09 Richard Guenther <rguenther@suse.de>
4863 * target.h (builtin_conversion): Pass in input and output types.
4864 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
4865 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
4866 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
4867 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
4869 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
4871 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
4873 2010-04-09 Richard Guenther <rguenther@suse.de>
4876 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
4878 2010-04-09 Richard Guenther <rguenther@suse.de>
4880 * tree-vectorizer.h (struct _stmt_vec_info): Document
4881 that vectype is the type of the LHS.
4882 (supportable_widening_operation, supportable_narrowing_operation):
4883 Get both input and output vector types as arguments.
4884 (vect_is_simple_use_1): Declare.
4885 (get_same_sized_vectype): Likewise.
4886 * tree-vect-loop.c (vect_determine_vectorization_factor):
4887 Set STMT_VINFO_VECTYPE to the vector type of the def.
4888 (vectorizable_reduction): Adjust.
4889 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
4890 Adjust. Specify the output vector type.
4891 (vect_pattern_recog_1): Adjust.
4892 * tree-vect-stmts.c (get_same_sized_vectype): New function.
4893 (vectorizable_call): Adjust.
4894 (vectorizable_conversion): Likewise.
4895 (vectorizable_operation): Likewise.
4896 (vectorizable_type_demotion): Likewise.
4897 (vectorizable_type_promotion): Likewise.
4898 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
4900 (vect_is_simple_use_1): New function.
4901 (supportable_widening_operation): Get both input and output
4903 (supportable_narrowing_operation): Likewise.
4904 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
4906 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
4908 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
4909 __thiscall and _thiscall as predefined macros.
4910 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
4911 thiscall attribute handling.
4912 (ix86_comp_type_attributes): Likewise.
4913 (ix86_function_regparm): Likewise.
4914 (ix86_return_pops_args): Likewise.
4915 (init_cumulative_args): Likewise.
4916 (find_drap_reg): Likewise.
4917 (ix86_static_chain): Likewise.
4918 (x86_this_parameter): Likewise.
4919 (x86_output_mi_thunk): Likewise.
4920 (ix86_attribute_table): Add description for thiscall attribute.
4921 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
4922 * doc/extend.texi: Add documentation for thiscall.
4924 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4927 * c.opt (Wint-to-pointer-cast): Available in C++.
4928 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
4930 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
4932 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
4933 * calls.c (expand_call): Pass the function type to aggregate_value_p.
4934 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
4935 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
4936 function type instead. Reorder and simplify checks.
4938 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
4940 2010-04-08 Jing Yu <jingyu@google.com>
4941 Zdenek Dvorak <ook@ucw.cz>
4943 PR tree-optimization/42720
4944 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
4945 loop unswitch conditions here from ...
4946 (tree_unswitch_single_loop): ... here.
4948 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4950 * tree-if-conv.c: Fix comments and simplify logic.
4952 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4954 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
4955 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
4956 (main_tree_if_conversion): Update call to tree_if_conversion.
4958 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
4961 * doc/invoke.texi (-b,-V): Delete.
4962 * doc/tm.texi: Do not mention -b.
4963 * gcc.c (display_help): Delete -b and -V.
4964 (process_command): Delete -b and -V.
4965 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
4967 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
4968 Wolfgang Gellerich <gellerich@de.ibm.com>
4970 Implement target hook for loop unrolling
4971 * target.h (loop_unroll_adjust): Add a new target hook function.
4972 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
4973 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
4974 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
4975 (s390_loop_unroll_adjust): Implement the new target hook for s390.
4976 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
4978 (decide_unroll_stupid): Likewise.
4980 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4983 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
4985 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4987 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
4988 (Specific, *-*-solaris2*): Likewise.
4989 Don't prefer Sun as over GNU as.
4991 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
4993 * config/s390/s390.c (override_options): Adjust the z10 defaults
4994 for max-unroll-times, max-completely-peeled-insns
4995 and max-completely-peel-times.
4997 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4999 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
5000 instructions for z10.
5001 (s390_expand_setmem): Likewise.
5002 (s390_expand_cmpmem): Likewise.
5004 2010-04-08 Richard Guenther <rguenther@suse.de>
5006 PR tree-optimization/43679
5007 * tree-ssa-pre.c (eliminate): Only propagate copies.
5009 2010-04-08 Jakub Jelinek <jakub@redhat.com>
5012 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
5013 set but not used variable warning.
5015 2010-04-08 Wei Guozhi <carrot@google.com>
5018 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
5019 (arm_size_rtx_costs): Call the new function when optimized for size.
5021 2010-04-08 Jakub Jelinek <jakub@redhat.com>
5024 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
5025 op0 is not a MEM, just return NULL instead of assertion
5027 (discover_nonconstant_array_refs): Don't walk debug stmts.
5029 2010-04-08 Doug Kwan <dougkwan@google.com>
5031 * configure.ac: Recognize gold and do not use its version number
5032 to test ld features.
5033 * configure: Regenerate.
5035 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
5038 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
5039 (negate_value): Move code to push elements to broken_up_substracts ...
5040 (eliminate_plus_minus_pair): ... here. Push operands that have no
5041 negative pair to plus_negates.
5042 (repropagate_negates, init_reassoc, fini_reassoc): Update.
5044 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5046 * doc/install.texi (Configuration): Move description of
5047 --enable-lto, --with-libelf*, --enable-gold from Java section to
5050 * doc/generic.texi (Working with declarations)
5051 (Function Properties, C and C++ Trees): Fix typos.
5052 * doc/sourcebuild.texi (Top Level): Likewise.
5054 2010-04-07 Jakub Jelinek <jakub@redhat.com>
5057 * tree.h (DECL_READ_P): Define.
5058 (struct tree_decl_common): Add decl_read_flag.
5059 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
5060 a set but not used warning.
5061 (merge_decls): Merge DECL_READ_P flag.
5062 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
5063 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
5064 * c-common.c (handle_used_attribute, handle_unused_attribute):
5066 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
5068 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
5070 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
5071 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
5072 c_parser_binary_expression, c_parser_cast_expression,
5073 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
5074 Call default_function_array_read_conversion instead of
5075 default_function_array_conversion where needed.
5076 (c_parser_unary_expression, c_parser_conditional_expression,
5077 c_parser_postfix_expression_after_primary, c_parser_initelt):
5078 Likewise. Call mark_exp_read where needed.
5079 (c_parser_statement_after_labels, c_parser_asm_operands,
5080 c_parser_typeof_specifier, c_parser_sizeof_expression,
5081 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
5083 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
5085 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
5086 (warn_unused_but_set_parameter): Default to warn_unused
5088 * doc/invoke.texi: Document -Wunused-but-set-variable and
5089 -Wunused-but-set-parameter.
5091 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
5092 used count variable.
5093 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
5094 when operandN variables aren't used in the body of the expander
5096 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
5097 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
5098 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
5099 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
5100 FOR_EACH_IMM_USE_ON_STMT): Likewise.
5101 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
5102 * tree.c (PROCESS_ARG): Likewise.
5104 2010-04-07 Simon Baldwin <simonb@google.com>
5106 * diagnostic.h (diagnostic_override_option_index): New macro to
5107 set a diagnostic's option_index.
5108 * c-tree.h (c_cpp_error): Add warning reason argument.
5109 * opts.c (_warning_as_error_callback): New.
5110 (register_warning_as_error_callback): Store callback for
5111 warnings enabled via enable_warning_as_error.
5112 (enable_warning_as_error): Call callback, minor code tidy.
5113 * opts.h (register_warning_as_error_callback): Declare.
5114 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
5115 response to -Werror=.
5116 (c_common_init_options): Register warning_as_error_callback in opts.c.
5117 * common.opt: Add -Wno-cpp option.
5118 * c-common.c (struct reason_option_codes_t): Map cpp warning
5119 reason codes to gcc option indexes.
5120 * (c_option_controlling_cpp_error): New function, lookup the gcc
5121 option index for a cpp warning reason code.
5122 * (c_cpp_error): Add warning reason argument, call
5123 c_option_controlling_cpp_error for diagnostic_override_option_index.
5124 * doc/invoke.texi: Document -Wno-cpp.
5126 2010-04-07 Richard Guenther <rguenther@suse.de>
5128 * ipa-reference.c (mark_load): Use get_base_address.
5129 (mark_store): Likewise.
5131 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
5132 inserting GIMPLE_NOPs into the IL.
5133 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5134 Explicitly strip handled components and indirect references.
5136 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
5137 folding address expressions.
5138 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
5139 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
5140 operand_equal_p to compare decls.
5141 (ptr_deref_may_alias_decl_p): Likewise.
5142 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
5143 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
5144 Handle reversed comparison ops.
5145 * tree-sra.c (asm_visit_addr): Use get_base_address.
5146 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
5147 * ipa-reference.c (mark_address): Use get_base_address.
5149 2010-04-07 Richard Guenther <rguenther@suse.de>
5151 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
5152 Propagate constants everywhere.
5154 2010-04-07 Jakub Jelinek <jakub@redhat.com>
5157 * tree.c (MAX_INT_CACHED_PREC): Define.
5158 (nonstandard_integer_type_cache): New array.
5159 (build_nonstandard_integer_type): Cache results for precision
5160 <= MAX_INT_CACHED_PREC.
5162 2010-04-07 Richard Guenther <rguenther@suse.de>
5164 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
5165 -fargument-noalias-global, -fargument-noalias-anything): Remove.
5166 * common.opt: Likewise.
5167 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
5168 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
5169 (nonoverlapping_memrefs_p): Likewise.
5170 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5171 * opts.c (common_handle_option): Handle OPT_fargument_alias,
5172 OPT_fargument_noalias, OPT_fargument_noalias_anything and
5173 OPT_fargument_noalias_global for backward compatibility.
5175 2010-04-07 Richard Guenther <rguenther@suse.de>
5177 PR tree-optimization/43270
5178 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
5179 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
5180 * tree-ssa-pre.c (phi_translate_1): Adjust.
5181 (fully_constant_expression): Split out vn_reference handling to ...
5182 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
5183 Fold reads from constant strings.
5184 (vn_reference_lookup): Handle fully constant references.
5185 (vn_reference_lookup_pieces): Likewise.
5186 * Makefile.in (expmed.o-warn): Add -Wno-error.
5188 2010-04-07 Martin Jambor <mjambor@suse.cz>
5190 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
5192 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
5195 * gcc.c: Add -static-libstdc++ to list of recognized options.
5197 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5199 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
5201 2010-04-07 Richard Guenther <rguenther@suse.de>
5204 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
5205 bases build simple mem attributes to retain points-to information.
5207 2010-04-07 Richard Guenther <rguenther@suse.de>
5210 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
5211 preserve points-to related information.
5213 2010-04-07 Richard Guenther <rguenther@suse.de>
5216 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
5217 discard plain indirect references.
5218 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
5219 * tree.c (tree_nop_conversion): Likewise.
5221 2010-04-07 Dodji Seketeli <dodji@redhat.com>
5224 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
5226 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
5228 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
5229 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
5231 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
5233 * tree-if-conv.c: Fix indentation and comments.
5235 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
5237 * tree-if-conv.c: Sort static functions in topological order.
5239 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
5241 * tree-if-conv.c: Fix indentation and comments.
5243 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5246 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
5247 lang_hooks.types.type_for_size instead of
5248 build_nonstandard_integer_type.
5249 When converting an unsigned type to signed, double its precision.
5250 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
5251 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
5252 (graphite_create_new_loop_guard): When ub + 1 wraps around,
5255 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5258 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
5259 POINTER_PLUS_EXPR for pointer types.
5261 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5264 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
5265 * graphite-clast-to-gimple.c: Include langhooks.h.
5266 (max_signed_precision_type): New.
5267 (max_precision_type): Takes two types as arguments.
5268 (precision_for_value): New.
5269 (precision_for_interval): New.
5270 (gcc_type_for_interval): New.
5271 (gcc_type_for_value): New.
5272 (gcc_type_for_clast_term): New.
5273 (gcc_type_for_clast_red): New.
5274 (gcc_type_for_clast_bin): New.
5275 (gcc_type_for_clast_expr): Split up into several functions.
5276 (gcc_type_for_clast_eq): Rewritten.
5277 (compute_bounds_for_level): New.
5278 (compute_type_for_level_1): New.
5279 (compute_type_for_level): New.
5280 (gcc_type_for_cloog_iv): Removed.
5281 (gcc_type_for_iv_of_clast_loop): Rewritten.
5282 (graphite_create_new_loop): Compute the lower and upper bound types
5283 with gcc_type_for_clast_expr.
5284 (graphite_create_new_loop_guard): Same.
5285 (find_cloog_iv_in_expr): Removed.
5286 (compute_cloog_iv_types_1): Removed.
5287 (compute_cloog_iv_types): Removed.
5288 (gloog): Do not call compute_cloog_iv_types.
5289 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
5291 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
5292 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
5293 (GBB_CLOOG_IV_TYPES): Removed.
5295 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5297 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
5298 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
5299 (detect_commutative_reduction): Same.
5301 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5303 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
5304 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
5306 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
5307 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
5308 (rewrite_commutative_reductions_out_of_ssa): Same.
5309 * passes.c (execute_function_todo): Call verify_ssa for every pass
5310 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
5311 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
5312 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
5313 with an extra argument.
5314 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
5315 verify_ssa only when the extra argument is true.
5316 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
5317 with an extra argument.
5318 (tree_transform_and_unroll_loop): Same.
5320 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5322 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
5323 for all the passes of the LNO having LOOP_CLOSED_SSA.
5324 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
5325 * tree-loop-distribution.c (pass_loop_distribution): Same.
5326 * tree-pass.h (TODO_verify_loops): Removed.
5327 * tree-ssa-loop.c (pass_tree_loop_init): Same.
5329 (pass_tree_unswitch): Same.
5330 (pass_predcom): Same.
5331 (pass_vectorize): Same.
5332 (pass_linear_transform): Same.
5333 (pass_graphite_transforms): Same.
5334 (pass_iv_canon): Same.
5335 (pass_complete_unroll): Same.
5336 (pass_complete_unrolli): Same.
5337 (pass_parallelize_loops): Same.
5338 (pass_loop_prefetch): Same.
5339 (pass_iv_optimize): Same.
5341 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
5344 * passes.c (init_optimization_passes): Move pass_lim before
5345 pass_copy_prop and pass_dce_loop.
5347 2010-04-06 Jakub Jelinek <jakub@redhat.com>
5350 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
5351 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
5352 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
5353 MULTI_* defines for 4 argument vpermil2p* builtins.
5355 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
5357 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
5358 * config/i386/i386.c (x86_maybe_negate_const_int): New.
5359 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
5360 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
5361 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
5362 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
5363 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
5364 Use x86_maybe_negate_const_int to output insn mnemonic.
5365 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
5366 check from instruction predicate. Update comments.
5367 * config/i386/sync.md (sync_add<mode>): Use
5368 x86_maybe_negate_const_int to output insn mnemonic.
5370 2010-04-06 Jan Hubicka <jh@suse.cz>
5372 PR tree-optimization/42906
5373 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
5374 IGNORE_SELF argument. Set visited_control_parents for fully
5376 (find_obviously_necessary_stmts): Update call of
5377 mark_control_dependent_edges_necessary.
5378 (propagate_necessity): Likewise. Handle PHI edges more curefully.
5380 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
5382 * config/i386/i386.md: Remove comment about 'e' and 'E'
5385 2010-04-06 Richard Guenther <rguenther@suse.de>
5387 PR tree-optimization/43627
5388 * tree-vrp.c (extract_range_from_unary_expr): Widenings
5389 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
5392 2010-04-06 Jakub Jelinek <jakub@redhat.com>
5394 * BASE-VER: Change to 4.6.0.
5397 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
5400 2010-04-06 Richard Guenther <rguenther@suse.de>
5403 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
5405 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5407 * doc/invoke.texi (Optimize Options): Document that LTO
5408 won't remove object access purely due to incompatible
5411 2010-04-04 Matthias Klose <doko@ubuntu.com>
5413 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
5414 Initialize variable.
5416 2010-04-03 Richard Guenther <rguenther@suse.de>
5419 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
5420 require a non-NULL MEM_OFFSET.
5422 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
5424 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
5425 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
5426 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
5427 config/alpha/predicates.md, config/arm/arm.md,
5428 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
5429 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
5430 config/darwin9.h, config/darwin.c, config/darwin.h,
5431 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
5432 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
5433 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
5434 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
5435 config/mips/mips.md, config/mn10300/mn10300.c,
5436 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
5437 config/rs6000/aix.h, config/rs6000/dfp.md,
5438 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
5439 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
5440 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
5441 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
5442 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
5443 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
5444 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
5445 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
5446 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
5447 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
5448 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
5449 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
5450 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
5451 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
5452 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
5453 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
5454 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
5455 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
5456 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
5457 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
5458 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
5459 opt-functions.awk, opth-gen.awk, params.def, passes.c,
5460 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
5461 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
5462 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
5463 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
5464 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
5465 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
5466 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
5467 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
5468 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
5469 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
5470 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
5471 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
5472 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
5473 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
5475 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5478 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
5479 * aclocal.m4: Regenerate.
5481 2010-04-02 Richard Guenther <rguenther@suse.de>
5483 PR tree-optimization/43629
5484 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
5485 if we have seen a constant value.
5487 2010-04-02 Joseph Myers <joseph@codesourcery.com>
5489 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
5491 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
5494 * arm.c (legitimize_tls_address): Adjust call to
5495 gen_tls_load_dot_plus_four.
5496 (arm_note_pic_base): New function.
5497 (arm_cannot_copy_insn_p): Use it.
5498 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
5501 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5506 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5508 * Makefile.in ($(out_object_file)): Depend on
5509 gt-$(basename $(notdir $(out_file))).h.
5511 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
5513 * config.gcc (lm32-*-rtems*): Add t-lm32.
5515 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
5517 * config.gcc: Add lm32-*-rtems*.
5518 * config/lm32/rtems.h: New file.
5520 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
5523 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
5525 2010-04-01 Jakub Jelinek <jakub@redhat.com>
5527 * dwarf2out.c (output_compilation_unit_header): For
5528 -gdwarf-4 use version 4 instead of version 3.
5529 (output_line_info): For version 4 and above emit additional
5530 maximum ops per insn header field.
5531 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
5533 * dwarf2out.c (is_c_family, is_java): Remove.
5534 (lower_bound_default): New function.
5535 (add_bound_info, gen_descr_array_type_die): Use it.
5537 2010-04-01 Dodji Seketeli <dodji@redhat.com>
5540 * dwarf2out.c (gen_variable_die): Allow debug info for variable
5541 re-declaration when it happens in a function.
5543 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
5545 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
5546 (cgraph_remove_function_insertion_hook): Same.
5547 (cgraph_call_function_insertion_hooks): Same.
5549 2010-04-01 Richard Guenther <rguenther@suse.de>
5552 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
5553 and TREE_THIS_VOLATILE.
5554 (copy_ref_info): Likewise.
5555 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
5556 * tree.c (build6_stat): Ignore side-effects of all but arg5
5557 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
5560 2010-04-01 Richard Guenther <rguenther@suse.de>
5562 PR tree-optimization/43607
5563 * ipa-type-escape.c (check_call): Do not access non-existing
5566 2010-04-01 Richard Guenther <rguenther@suse.de>
5570 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5571 Jack Howarth <howarth@bromo.med.uc.edu>
5573 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5576 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5578 * doc/install.texi (Prerequisites): Document libelf usability on
5579 IRIX 5/6 and Solaris 2.
5580 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
5581 Update GNU as, GNU ld requirements.
5582 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
5583 Document Sun Studio compiler download.
5584 Update and simplify as, ld recommendations.
5585 (Specific, *-*-solaris2.7): Note obsoletion, removal.
5587 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5589 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
5590 with_tune_32 to pentium4.
5592 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
5594 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
5596 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5598 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
5599 obsoletion, removal.
5601 Document GNU as requirement.
5602 Update configure requirements.
5603 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
5604 Recomment IRIX 6.5.18+.
5605 Document IDF/IDL requirement.
5606 Document GNU as requirement.
5607 Document GNU ld bootstrap failure.
5608 Remove freeware.sgi.com reference.
5610 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5612 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
5613 UNIX V4.0, V5.0 obsoletion, removal.
5614 Remove --with-gc=simple reference.
5615 Update VM requirements during bootstrap.
5616 Remove -oldas bootstrap description.
5617 Update binutils reference.
5618 Remove comparison failure note.
5620 2010-03-31 Richard Guenther <rguenther@suse.de>
5621 Zdenek Dvorak <ook@ucw.cz>
5622 Sebastian Pop <sebastian.pop@amd.com>
5625 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
5626 with multiple arguments.
5627 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
5629 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5631 * graphite-dependences.c (print_pddr): Call print_pdr with an
5633 * graphite-poly.c (debug_pdr): Add an extra argument for the
5636 (print_pbb_domain): Same.
5638 (print_scop_context): Same.
5640 (print_cloog): Same.
5641 (debug_pbb_domain): Same.
5645 (debug_scop_context): Same.
5647 (debug_cloog): Same.
5648 (print_scop_params): Same.
5649 (debug_scop_params): Same.
5650 (print_iteration_domain): Same.
5651 (print_iteration_domains): Same.
5652 (debug_iteration_domain): Same.
5653 (debug_iteration_domains): Same.
5654 (print_scattering_function): Same.
5655 (print_scattering_functions): Same.
5656 (debug_scattering_function): Same.
5657 (debug_scattering_functions): Same.
5658 * graphite-poly.h (debug_pdr): Update declaration.
5660 (print_pbb_domain): Same.
5662 (print_scop_context): Same.
5664 (print_cloog): Same.
5665 (debug_pbb_domain): Same.
5669 (debug_scop_context): Same.
5671 (debug_cloog): Same.
5672 (print_scop_params): Same.
5673 (debug_scop_params): Same.
5674 (print_iteration_domain): Same.
5675 (print_iteration_domains): Same.
5676 (debug_iteration_domain): Same.
5677 (debug_iteration_domains): Same.
5678 (print_scattering_function): Same.
5679 (print_scattering_functions): Same.
5680 (debug_scattering_function): Same.
5681 (debug_scattering_functions): Same.
5683 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5685 * graphite-poly.c (print_scattering_function_1): New.
5686 (print_scattering_function): Call it.
5687 (print_scop_params): Remove spaces at the end of lines.
5690 * graphite-poly.h (print_cloog): Declared.
5691 (debug_cloog): Declared.
5693 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5695 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
5697 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
5698 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
5699 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
5700 to switch between adding the IV bump in loop->latch or in loop->header.
5702 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5704 * graphite-poly.c (print_scattering_function): Pretty print following
5707 (print_pbb_domain): Same.
5708 (dump_gbb_cases): Same.
5709 (dump_gbb_conditions): Same.
5712 (print_scop_params): Same.
5713 (print_scop_context): Same.
5715 (print_pbb_body): New.
5716 (lst_indent_to): New.
5717 (print_lst): Start new lines with a #.
5718 * graphite-poly.h (pbb_bb): New.
5719 (pbb_index): Use pbb_bb.
5720 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
5722 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
5724 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5726 * dwarf2out.c (size_of_die): For -gdwarf-4 use
5727 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
5728 and 0 instead of 1 for dw_val_class_flag.
5729 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
5730 dw_val_class_range_list, dw_val_class_loc_list,
5731 dw_val_class_lineptr and dw_val_class_macptr, use
5732 DW_FORM_flag_present for dw_val_class_flag and
5733 DW_FORM_exprloc for dw_val_class_loc.
5734 (output_die): For -gdwarf-4 print dw_val_class_loc
5735 size as uleb128 instead of 1 or 2 bytes and don't print
5736 anything for dw_val_class_flag.
5738 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
5739 instead of cselib_lookup following by tweaking locs->setting_insn.
5742 * cselib.c (cselib_process_insn): Clear cselib_current_insn
5743 even before returning from label, setjmp call or volatile asm
5746 2010-03-31 Richard Guenther <rguenther@suse.de>
5749 * cgraphunit.c (cgraph_output_in_order): Do not allocate
5750 temporary data on stack.
5752 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5754 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
5755 (PUSHSECTION_ASM_OP): Remove.
5756 (POPSECTION_ASM_OP): Remove.
5757 (PUSHSECTION_FORMAT): Remove.
5758 * config/sol2.h (PUSHSECTION_FORMAT): Define.
5759 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
5760 * config/sol2.c (solaris_output_init_fini): Use it.
5762 2010-03-31 Jie Zhang <jie@codesourcery.com>
5765 * opt-functions.awk (var_type_struct): Use signed char type
5766 for simple variables.
5768 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5770 * config/sol2.c: Include output.h.
5771 (solaris_assemble_visibility): New function.
5772 * config/t-sol2 (sol2.o): Add output.h dependency.
5773 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
5774 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
5777 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5780 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
5781 V2SImode or XFmode on PRE_DEC.
5784 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
5787 2010-03-31 Jie Zhang <jie@codesourcery.com>
5790 * reload.h (caller_save_initialized_p): Declare.
5791 * toplev.c (backend_init_target): Don't call
5792 init_caller_save but set caller_save_initialized_p to false.
5793 * caller-save.c (caller_save_initialized_p): Define.
5794 (init_caller_save): Check caller_save_initialized_p.
5795 * ira.c (ira): Call init_caller_save if flag_caller_saves.
5797 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5800 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
5801 and soft-fp/t-softfp to tmake_file.
5802 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
5803 (LIBGCC2_TF_CEXT): Define.
5806 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
5809 * cselib.c (n_useless_values): Document handling of debug locs.
5810 (n_useless_debug_values, n_debug_values): New variables.
5811 (new_elt_loc_list): Don't add to debug values, keep count.
5812 (promote_debug_loc): New.
5813 (cselib_reset_table): Zero new variables.
5814 (entry_and_rtx_equal_p): Promote debug locs.
5815 (discard_useless_locs): Increment n_useless_debug_values for
5817 (remove_useless_values): Adjust n_useless_values and n_debug_values
5818 with n_useless_debug_values.
5819 (add_mem_for_addr): Promote debug locs.
5820 (cselib_lookup_mem): Likewise.
5821 (cselib_lookup_addr): Renamed to...
5822 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
5823 (cselib_log_lookup): ... this. Turn into...
5824 (cselib_lookup_addr): ... new wrapper.
5825 (cselib_lookup_from_insn): New.
5826 (cselib_invalidate_regno): Increment n_useless_debug_values for
5828 (cselib_invalidate_mem): Likewise.
5829 (cselib_process_insn): Take n_deleted and n_debug_values into
5830 account to guard remove_useless_value call.
5831 (cselib_finish): Zero n_useless_debug_values.
5832 * cselib.h (cselib_lookup_from_insn): Declare.
5833 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
5834 (sched_analyze_2): Likewise.
5836 2010-03-30 Jakub Jelinek <jakub@redhat.com>
5838 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
5840 (adjust_mems): Replace narrowing SUBREG of expression containing
5841 just PLUS, MINUS, MULT and ASHIFT of registers and constants
5842 with operations in the narrower mode.
5845 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
5846 regs_invalidated_by_call instead all call_used_reg_set registers.
5848 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
5851 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
5852 pointer comparisons with types_compatible_p.
5853 * tree-vect-stmts.c (vectorizable_call): Same.
5854 (vectorizable_condition): Same.
5856 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5858 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
5859 stack check if the mask would be zero.
5861 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5862 Jack Howarth <howarth@bromo.med.uc.edu>
5864 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5867 2010-03-30 Joseph Myers <joseph@codesourcery.com>
5870 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
5872 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
5873 Include ___unordxf2 and ___unordtf2.
5874 * config/i386/libgcc-glibc.ver: Do not define inheritance from
5877 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
5879 * config/lm32/t-lm32: New file.
5880 * config.gcc: Use the above file when targetting lm32.
5882 2010-03-28 Duncan Sands <baldrick@free.fr>
5884 * Makefile.in (PLUGIN_HEADERS): Add except.h.
5886 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5889 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
5890 Improve vectorization cost model diagnostic.
5892 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5895 * tree-vect-data-refs.c (vect_analyze_data_refs): When
5896 compute_data_dependences_for_loop returns false, early exit
5897 and output an extra diagnostic for the failed data reference
5900 2010-03-29 Richard Guenther <rguenther@suse.de>
5902 PR tree-optimization/43560
5903 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
5904 (can_sm_ref_p): Treat stores to readonly locations as trapping.
5906 2010-03-29 Jie Zhang <jie@codesourcery.com>
5909 * toplev.c (process_options): Set optimization_default_node
5910 and optimization_current_node.
5911 * opts.c (decode_options): Don't set optimization_default_node
5912 and optimization_current_node.
5914 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
5916 * config/rtems.h: Abandon -qrtems_debug.
5918 2010-03-28 Jan Hubicka <jh@suse.cz>
5920 PR tree-optimization/43505
5921 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
5922 map should not be copied.
5924 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5927 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
5928 cdtors, set DECL_PRESERVE_P.
5929 * ipa.c (cgraph_externally_visible_p): Return true if declaration
5932 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
5934 PR tree-optimization/43528
5935 * stor-layout.c (place_field): Check that constant fits into
5936 unsigned HWI when skipping calculation of MS bitfield layout.
5938 2010-03-27 Jan Hubicka <jh@suse.cz>
5941 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
5942 notice_global_symbol work.
5944 2010-03-27 Jakub Jelinek <jakub@redhat.com>
5946 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
5947 instead of dwarf2out_decl.
5948 (struct var_loc_node): Remove section_label field.
5949 (dwarf2out_function_decl): New function.
5950 (dwarf2out_var_location): Don't set section_label field.
5951 (dwarf2out_begin_function): Don't empty decl_loc_table here.
5953 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
5955 PR tree-optimization/43544
5956 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5957 First argument for builtin vectorized function hook is now a
5958 tree to be able to distinguish between machine specific and
5960 * targhooks.c (default_builtin_vectorized_function): Ditto.
5961 * targhooks.h (default_builtin_vectorized_function): Ditto.
5962 * target.h (struct gcc_target): Ditto.
5963 * tree-vect-stmts.c (vectorizable_function): Ditto.
5964 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
5965 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
5968 2010-03-26 Joseph Myers <joseph@codesourcery.com>
5971 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
5972 nested binding iff it is a FUNCTION_DECL.
5973 (store_parm_decls_newstyle): Pass nested=true to bind for
5974 FUNCTION_DECLs amongst parameters.
5976 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5978 * var-tracking.c (vt_expand_loc_callback): Don't run
5979 cselib_expand_value_rtx_cb in dummy mode if
5980 cselib_dummy_expand_value_rtx_cb returned false.
5982 * var-tracking.c (emit_note_insn_var_location): For one part
5983 notes with offset 0, don't add EXPR_LIST around the location.
5984 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
5985 add_location_or_const_value_attribute): Adjust for that change.
5988 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
5989 into first operand and location into second.
5990 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
5991 dw_cfi_oprnd_loc for DW_CFA_expression.
5992 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
5993 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
5994 assume first argument is regnum and second argument is location.
5996 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5999 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
6000 of scratch register to DImode. Split to DImode comparison operator.
6001 Use SImode subreg of scratch register in the multiplication.
6002 (*cmp_sadd_sidi): Ditto.
6003 (*cmp_ssub_si): Ditto.
6004 (*cmp_ssub_sidi): Ditto.
6006 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
6009 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
6010 Remove invalid assert and wrong comment.
6012 2010-03-26 Jakub Jelinek <jakub@redhat.com>
6015 * flags.h (final_insns_dump_p): New extern.
6016 * final.c (final_insns_dump_p): New variable.
6017 (rest_of_clean_state): Set it before -fdump-final-insns=
6018 dumping, clear afterwards.
6019 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
6020 MEM_ALIAS_SET on MEMs.
6022 2010-03-26 David S. Miller <davem@davemloft.net>
6024 * configure.ac: Fix sparc GOTDATA_OP bug check.
6025 * configure: Rebuild.
6027 2010-03-26 Alan Modra <amodra@gmail.com>
6029 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
6031 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6033 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
6034 TLS_SECTION_ASM_FLAG.
6036 2010-03-25 Jakub Jelinek <jakub@redhat.com>
6039 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
6040 Clear first_function_block_is_cold.
6043 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
6044 argument if the argument is truth_value_p.
6046 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
6048 * config/rs6000/constraints.md: Update copyright year for my changes.
6051 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
6052 used in reg+reg addressing, swap registers.
6054 2010-03-24 Jakub Jelinek <jakub@redhat.com>
6057 * target.h (struct gcc_target): Add code_end hook.
6058 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
6060 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
6061 * toplev.c (compile_file): Call targetm.asm_out.code_end
6062 hook before unwind info/debug info output.
6063 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
6064 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
6065 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
6066 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
6067 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
6068 * config/i386/i386.c (ix86_file_end): Renamed to...
6069 (ix86_code_end): ... this. Make static. Don't call
6070 file_end_indicate_exec_stack. Emit unwind info using
6071 final_start_function/final_end_function.
6072 (darwin_x86_file_end): Remove.
6073 (TARGET_ASM_CODE_END): Define.
6074 * config/i386/i386.h (TARGET_ASM_FILE_END,
6075 NEED_INDICATE_EXEC_STACK): Don't define.
6076 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
6077 (TARGET_ASM_FILE_END): Define to darwin_file_end.
6078 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
6079 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
6082 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
6083 at the beginning and final_end_function at the end.
6084 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
6086 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6088 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
6089 and Sun as TLS syntax.
6090 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
6091 * configure: Regenerate.
6092 * config.in: Regenerate.
6093 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
6094 (default_elf_asm_named_section): Use it.
6095 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
6096 (i386_output_dwarf_dtprel): Likewise.
6097 (output_addr_const_extra): Likewise.
6098 (output_pic_addr_const): Lowercase @GOTTPOFF.
6099 (output_addr_const_extra): Likewise.
6100 (output_pic_addr_const): Lowercase @GOTNTPOFF.
6101 (output_addr_const_extra): Likewise.
6102 (output_pic_addr_const): Lowercase @INDNTPOFF.
6103 (output_addr_const_extra): Likewise.
6104 (output_pic_addr_const): Lowercase @NTPOFF.
6105 (output_addr_const_extra): Likewise.
6106 (output_pic_addr_const): Lowercase @TPOFF.
6107 (output_addr_const_extra): Likewise.
6108 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
6109 (*tls_global_dynamic_64): Likewise.
6110 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
6111 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
6113 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
6114 (ASM_OUTPUT_TLS_COMMON): Use it.
6115 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
6118 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
6119 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
6120 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
6121 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
6122 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
6123 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
6125 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6127 * config/i386/i386.c (override_options): Don't accept
6128 -mtls-dialect=sun any longer.
6129 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
6130 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
6131 (*tls_local_dynamic_base_32_sun): Likewise.
6132 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
6134 2010-03-24 Jakub Jelinek <jakub@redhat.com>
6137 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6138 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
6141 * ira.c (adjust_cleared_regs): New function.
6142 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
6146 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
6148 * expr.c (expand_expr_real): Restore previous
6149 curr_insn_source_location and curr_insn_block after
6150 expand_expr_real_1 call.
6151 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
6152 instead of expand_expr_real_1.
6154 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
6156 PR rtl-optimization/43413
6157 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
6160 2010-03-22 James E. Wilson <wilson@codesourcery.com>
6163 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
6164 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
6166 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
6168 * config/i386/i386.c (ix86_target_string): Add -mfma.
6169 Fix a typo in comment.
6171 2010-03-22 Mike Stump <mikestump@comcast.net>
6174 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6175 Don't overly align based upon packed packed fields.
6177 2010-03-22 Jason Merrill <jason@redhat.com>
6179 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
6180 Use () rather than [], and move before the element type.
6182 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6184 * doc/configfiles.texi (Configuration Files): Removed
6185 fixinc/Makefile*, intl/Makefile.*.
6186 * doc/makefile.texi: Fixed markup. Abstract from version
6187 control system used.
6188 (Makefile): Removed obsolete gcc/java/parse.y example.
6189 * doc/sourcebuild.texi: Likewise.
6190 (Top Level): Added config, gnattools, libdecnumber, libgcc,
6191 libgomp, libssp. Removed fastjar.
6192 (Miscellaneous Docs): Clarify location.
6193 Added COPYING3, COPYING3.LIB.
6194 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
6196 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6199 * config/i386/i386.c (x86_function_profiler)
6200 [!NO_PROFILE_COUNTERS]: Fix typo.
6201 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
6204 2010-03-22 Janis Johnson <janis187@us.ibm.com>
6205 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6207 * doc/sourcebuild.texi (Test Directives): Split into six
6208 subsections, with most of the current text in new subsections
6209 Directives, Selectors, and Final Actions.
6210 (Directives): Split list of test directives into multiple
6212 (Selectors): Describe use and syntax of selectors.
6213 (Effective-Target Keywords): Describe all existing keywords.
6214 (Add Options): Describe features for dg-add-options.
6215 (Require Support): Describe variants of dg-require-support.
6216 (Final Actions): Describe commands to use in dg-final.
6218 2010-03-22 Michael Matz <matz@suse.de>
6221 * recog.c (validate_replace_rtx_group): Replace also in
6222 REG_EQUAL and REG_EQUIV notes.
6224 2010-03-22 Richard Guenther <rguenther@suse.de>
6226 PR tree-optimization/43390
6227 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
6228 sure vector extracts are type correct.
6230 2010-03-22 Richard Guenther <rguenther@suse.de>
6233 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
6234 x * sqrt (x) even when optimizing for size if the target
6235 has native support for sqrt.
6237 2010-03-22 Jakub Jelinek <jakub@redhat.com>
6239 * varasm.c (make_decl_rtl_for_debug): Also clear
6240 flag_mudflap for the duration of make_decl_rtl call.
6243 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
6244 locs from preserved VALUEs.
6246 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6249 * pa.md (movmemsi): Set align to one if zero.
6250 (movmemdi): Likewise.
6252 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
6255 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
6256 with their corresponding prologue pushes.
6258 2010-03-20 Andrew Pinski <pinskia@gmail.com>
6261 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
6262 at the begining or end.
6263 (spu_expand_epilogue): Likewise.
6265 2010-03-20 Richard Guenther <rguenther@suse.de>
6267 PR rtl-optimization/43438
6268 * combine.c (make_extraction): Properly zero-/sign-extend an
6269 extraction of the low part of a CONST_INT. Also handle
6272 2010-03-19 Mike Stump <mikestump@comcast.net>
6274 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
6275 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
6276 (override_options): Use SUBTARGET32_DEFAULT_CPU.
6278 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
6281 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
6284 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
6286 PR rtl-optimization/42258
6287 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
6288 use that may match DEF.
6291 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
6292 the cost of loading the constant rather than assuming
6294 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
6295 outer code is AND, do the same tests as the andsi3 expander and
6296 return COSTS_N_INSNS (1) if and is cheap.
6298 * optabs.c (avoid_expensive_constant): Fix formatting.
6300 2010-03-19 Michael Matz <matz@suse.de>
6303 * attribs.c (decl_attributes): When rebuilding a function pointer
6304 type use the same qualifiers as the original pointer type.
6306 2010-03-19 Martin Jambor <mjambor@suse.cz>
6308 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
6309 and is_gimple_ip_invariant_address.
6311 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6314 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6316 * config/arm/arm.c (arm_override_options): Turn off
6317 flag_dwarf2_cfi_asm for AAPCS variants.
6319 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6322 * config/arm/arm.c (emit_multi_reg_push): Update comments.
6323 Use PRE_MODIFY instead of PRE_DEC.
6324 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
6325 (vfp_emit_fstmd): Likewise.
6327 2010-03-19 Michael Matz <matz@suse.de>
6330 * builtins.c (expand_builtin_interclass_mathfn,
6331 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
6334 2010-03-19 Richard Guenther <rguenther@suse.de>
6336 PR tree-optimization/43415
6337 * tree-ssa-pre.c (phi_translate): Split out worker to ...
6338 (phi_translate_1): ... this.
6339 (phi_translate): Move all caching here. Cache all NARY
6340 and REFERENCE translations.
6342 2010-03-19 David S. Miller <davem@davemloft.net>
6344 With help from Eric Botcazou.
6345 * config/sparc/sparc.c: Include dwarf2out.h.
6346 (emit_pic_helper): Delete.
6347 (pic_helper_symbol_name): Delete.
6348 (pic_helper_emitted_p): Delete.
6349 (pic_helper_needed): New.
6350 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
6351 (get_pc_thunk_name): New.
6352 (load_pic_register): Remove 'delay_pic_helper' arg. Use
6353 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
6354 Set pic_helper_needed to true. Don't call emit_pic_helper.
6355 (sparc_expand_prologue): Update load_pic_register call.
6356 (sparc_output_mi_thunk): Likewise.
6357 (sparc_file_end): Emit a hidden comdat symbol for the PIC
6358 thunk if possible. Output CFI information as needed.
6360 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
6361 Jack Howarth <howarth@bromo.med.uc.edu>
6364 * config/i386/i386.h: Fix ABI on darwin x86-32.
6366 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
6368 * tree.h: Declare make_decl_rtl_for_debug.
6369 * varasm.c (make_decl_rtl_for_debug): New.
6370 * dwarf2out.c (rtl_for_decl_location): Call it.
6371 * cfgexpand.c (expand_debug_expr): Call it.
6373 2010-03-18 Jakub Jelinek <jakub@redhat.com>
6376 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
6380 * var-tracking.c (vt_init_cfa_base): Do nothing if
6381 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
6383 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
6386 * var-tracking.c (canonicalize_vars_star): New.
6387 (dataflow_post_merge_adjust): Use it.
6389 2010-03-18 Jakub Jelinek <jakub@redhat.com>
6392 * var-tracking.c (non_suitable_const): New function.
6393 (add_uses): For DEBUG_INSNs with constants, don't record any
6394 value, instead just the constant value itself.
6395 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
6396 is not VAR_LOC_UNKNOWN_P, set var to the constant.
6397 (emit_notes_in_bb): Likewise.
6398 (emit_note_insn_var_location): For onepart variables if
6399 cur_loc is a VOIDmode constant, use DECL_MODE.
6401 2010-03-18 Martin Jambor <mjambor@suse.cz>
6404 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
6405 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
6406 all non-clones. Moved call redirection...
6407 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
6408 (cgraph_materialize_all_clones): Dispose of all
6409 combined_args_to_skip bitmaps.
6410 (verify_cgraph_node): Do not check for edges pointing to wrong
6411 nodes in inline clones.
6412 * tree-inline.c (copy_bb): Call
6413 cgraph_redirect_edge_call_stmt_to_callee.
6414 * ipa.c (cgraph_remove_unreachable_nodes): Call
6415 cgraph_node_remove_callees even when there are used clones.
6417 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
6419 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
6421 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
6424 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
6427 2010-03-18 Michael Matz <matz@suse.de>
6430 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
6431 into sqrt(x) if we need to preserve signed zeros.
6433 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
6434 Eric Botcazou <ebotcazou@adacore.com>
6436 PR rtl-optimization/43360
6437 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
6438 note if we don't know its invariant status.
6440 2010-03-18 Michael Matz <matz@suse.de>
6442 PR tree-optimization/43402
6443 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
6444 PHI chains of ssa names registered for update.
6446 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
6449 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
6450 non-offsettable and pre_modify update addressing.
6451 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
6452 and "2" alternatives "#".
6453 (*movdd_softfloat32): Make all alternatives "#";
6454 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
6455 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
6456 (*movdf_softfloat32): Make all alternatives "#";
6457 (movdi): Use the new DIFD mode iterator to create a common splitter
6458 for movdi, movdf and movdd patterns.
6460 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
6462 * common.opt (dumpdir): Remove redundant tab.
6464 2010-03-17 Martin Jambor <mjambor@suse.cz>
6466 PR tree-optimization/43347
6467 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
6468 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
6470 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
6472 PR rtl-optimization/42216
6473 * regrename.c (create_new_chain): New function, broken out from...
6474 (scan_rtx_reg): ... here. Call it. Handle the case where we are
6475 appending a use to an empty chain.
6476 (build_def_use): Remove previous changes that convert OP_INOUT to
6477 OP_OUT operands; instead detect the case where an OP_INOUT operand
6478 uses a previously untracked register and create an empty chain for it.
6480 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6482 * doc/extend.texi (Function Attributes): Rewrite unfinished
6483 sentence in ms_abi documentation.
6485 2010-03-17 Alan Modra <amodra@gmail.com>
6487 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
6488 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
6489 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
6490 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
6492 2010-03-16 Richard Henderson <rth@redhat.com>
6495 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
6496 (lower_try_finally): Save and restore eh_seq around the expansion
6499 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6501 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
6502 statements before splitting block.
6504 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6506 * doc/sourcebuild.texi (Testsuites): Fix markup.
6507 Use pathnames relative to gcc/testsuite.
6508 (Test Directives): Move description of how timeout is determined.
6509 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
6510 (C Tests): Correct gcc.misc-tests directory.
6511 Framework tests now live in gcc.test-framework.
6513 2010-03-16 Richard Guenther <rguenther@suse.de>
6516 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
6517 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
6519 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6520 Alexandre Oliva <aoliva@redhat.com>
6522 PR tree-optimization/42917
6523 * lambda-code.c (remove_iv): Skip debug statements.
6524 (lambda_loopnest_to_gcc_loopnest): Likewise.
6525 (not_interesting_stmt): Debug statements are not interesting.
6527 2010-03-16 Jakub Jelinek <jakub@redhat.com>
6531 * cselib.c (cselib_preserve_constants,
6532 cfa_base_preserved_val): New static variables.
6533 (preserve_only_constants): New function.
6534 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
6535 clear its REG_VALUES. If cselib_preserve_constants, don't
6536 empty the whole hash table, but preserve there VALUEs with constants,
6537 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
6538 (cselib_preserve_cfa_base_value): New function.
6539 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
6540 (cselib_init): Change argument to int bitfield. Set
6541 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
6543 (cselib_finish): Clear cselib_preserve_constants and
6544 cfa_base_preserved_val.
6545 * cselib.h (enum cselib_record_what): New enum.
6546 (cselib_init): Change argument to int.
6547 (cselib_preserve_cfa_base_value): New prototype.
6548 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
6549 * dse.c (dse_step1): Likewise.
6550 * cfgcleanup.c (thread_jump): Likewise.
6551 * sched-deps.c (sched_analyze): Likewise.
6552 * gcse.c (local_cprop_pass): Likewise.
6553 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
6554 If FN is non-NULL, call the callback always and whenever it returns
6555 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
6556 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
6557 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
6558 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
6559 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
6560 * var-tracking.c: Include recog.h.
6561 (bb_stack_adjust_offset): Remove.
6562 (vt_stack_adjustments): Don't call it, instead just gather the
6563 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
6564 (adjust_stack_reference): Remove.
6565 (compute_cfa_pointer): New function.
6566 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
6567 (struct adjust_mem_data): New type.
6568 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
6570 (get_address_mode): New function.
6571 (replace_expr_with_values): Use it.
6572 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
6573 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
6574 (adjust_sets): Remove.
6575 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
6576 Use get_address_mode.
6577 (get_adjusted_src): Remove.
6578 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
6579 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
6580 (add_with_sets): Don't call adjust_sets.
6581 (fp_setter, vt_init_cfa_base): New functions.
6582 (vt_initialize): Change return type to bool. Move most of pool etc.
6583 initialization to the beginning of the function from end. Pass
6584 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
6585 If !frame_pointer_needed, call vt_stack_adjustment before mos
6586 vector is filled, call vt_init_cfa_base if argp/framep has been
6587 eliminated to sp. If frame_pointer_needed and argp/framep has
6588 been eliminated to hard frame pointer, set
6589 hard_frame_pointer_adjustment and call vt_init_cfa_base after
6590 encountering fp setter in the prologue. For MO_ADJUST, call
6591 log_op_type before pusing the op into mos vector, not afterwards.
6592 Call adjust_insn before cselib_process_insn/add_with_sets,
6593 call cancel_changes (0) afterwards.
6594 (variable_tracking_main_1): Adjust for vt_initialize calling
6595 vt_stack_adjustments and returning whether it succeeded or not.
6597 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
6599 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
6602 2010-03-15 Jakub Jelinek <jakub@redhat.com>
6604 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
6606 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
6607 drap_reg has not been set.
6609 2010-03-15 Michael Matz <matz@suse.de>
6612 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
6613 use it to expand block copies.
6614 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
6615 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
6616 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
6618 2010-03-15 Richard Guenther <rguenther@suse.de>
6620 PR tree-optimization/43367
6621 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
6624 2010-03-15 Richard Guenther <rguenther@suse.de>
6626 PR tree-optimization/43317
6627 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
6629 2010-03-15 Martin Jambor <mjambor@suse.cz>
6631 PR tree-optimization/43141
6632 * tree-sra.c (create_abstract_origin): New function.
6633 (modify_function): Call create_abstract_origin.
6635 2010-03-15 Chris Demetriou <cgd@google.com>
6637 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
6640 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6643 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
6644 call insert_out_of_ssa_copy for default definitions.
6646 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6648 * graphite-clast-to-gimple.c (my_long_long): Defined.
6649 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
6650 * graphite-sese-to-poly.c (my_long_long): Defined.
6651 (scop_ivs_can_be_represented): Use it.
6653 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6655 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
6656 graphite-max-bbs-per-function, and loop-block-tile-size.
6657 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
6659 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
6661 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6663 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
6664 forward declaration.
6665 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
6666 (add_upper_bounds_from_estimated_nit): New.
6667 (build_loop_iteration_domains): Use it.
6669 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6671 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
6673 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6676 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
6677 should be an INTEGER_CST. Also handle CASE_CONVERT.
6679 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6681 * graphite.c (graphite_initialize): To bound the number of bbs per
6682 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
6683 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
6684 * doc/invoke.texi: Document it.
6686 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6688 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
6689 * graphite-sese-to-poly.h (build_poly_scop): Same.
6691 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6693 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
6694 the number of parameters in the scop. Use as an upper bound
6695 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
6696 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
6697 * doc/invoke.texi: Document it.
6699 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
6701 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
6702 * doc/c-tree.texi: Remove.
6703 * doc/generic.texi: Merge c-tree.texi here.
6704 * doc/gccint.texi (Trees): Remove menu entry.
6705 (c-tree.texi): Remove @include.
6706 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
6707 * doc/languages.texi (Reading RTL): Ditto.
6709 2010-03-12 Steve Ellcey <sje@cup.hp.com>
6712 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
6714 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
6717 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
6718 code added to work around reload clobbering CONST insns.
6720 2010-03-12 Jakub Jelinek <jakub@redhat.com>
6722 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
6723 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
6724 (cselib_preserve_only_values): Remove retain argument, don't
6725 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
6726 * cselib.h (cselib_preserve_only_values): Remove retain argument.
6727 * var-tracking.c (micro_operation): Move insn field before union.
6728 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
6729 (struct variable_tracking_info_def): Remove n_mos field, change
6730 mos into a vector of micro_operations.
6731 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
6732 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
6733 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
6734 changing into a vector.
6735 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
6736 come before all other uops generated by add_stores.
6737 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
6739 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
6740 a vector. Run just one pass over the bbs instead of separate counting
6741 and computation phase.
6742 (vt_finalize): Free VTI (bb)->mos vector instead of array.
6745 * tree-inline.c (remap_decls): Put old_var rather than origin_var
6746 into *nonlocalized_list vector.
6747 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
6748 even if origin is non-NULL.
6749 (gen_variable_die): Likewise.
6750 (process_scope_var): Don't change origin.
6751 (gen_decl_die): Likewise.
6752 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
6753 before adding new edges instead of after it, fix moving over
6756 2010-03-11 David S. Miller <davem@davemloft.net>
6758 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
6760 * configure: Rebuild.
6762 2010-03-11 Martin Jambor <mjambor@suse.cz>
6764 PR tree-optimization/43257
6765 * tree.c (assign_assembler_name_if_neeeded): New function.
6766 (free_lang_data_in_cgraph): Assembler name assignment moved to the
6768 * tree.h (assign_assembler_name_if_neeeded): Declare.
6769 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
6770 the function if needed.
6772 2010-03-11 Chris Demetriou <cgd@google.com>
6774 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
6775 include/stdint-gcc.h, and include/stdint.h world-readable.
6777 2010-03-11 Richard Guenther <rguenther@suse.de>
6779 PR tree-optimization/43255
6780 * tree-vrp.c (process_assert_insertions_for): Do not insert
6781 asserts for trivial conditions.
6783 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6785 PR tree-optimization/43280
6786 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
6787 generation. Move calculation of size out of the if branch.
6788 (find_bswap): Modify compare number generation.
6790 2010-03-11 Richard Guenther <rguenther@suse.de>
6793 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
6794 (input_gimple_stmt): Fixup handled component types during
6795 operand read. Also fix up decls in ADDR_EXPRs.
6797 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
6799 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
6800 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
6802 2010-03-10 Jan Hubicka <jh@suse.cz>
6805 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
6806 * varasm.c (get_variable_section): Don't do that here...
6807 (make_decl_rtl): ... and here.
6808 (do_assemble_alias): Produce decl RTL.
6809 (assemble_alias): Likewise.
6811 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6814 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
6815 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
6817 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
6818 (based_loc_descr): Only express drap or vdrap regno based expressions
6819 using DW_OP_fbreg when not optimizing.
6820 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
6821 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
6822 REG_CFA_SET_VDRAP note.
6824 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
6826 PR tree-optimization/43236
6827 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
6828 error in calculation of base address in reverse iteration case.
6829 (generate_builtin): Take number of latch executions if the statement
6832 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
6835 * tree-eh.c: Include pointer-set.h.
6836 (lower_eh_dispatch): Filter out duplicate case labels and
6837 remove the unneeded edge when the label is unused. Return
6838 true when some edges are removed.
6839 (execute_lower_eh_dispatch): When any lowering resulted in
6840 removing an edge, also delete unreachable blocks.
6842 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6845 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
6846 UNSPEC_MACHOPIC_OFFSET.
6848 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
6851 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
6852 (m68k_delegitimize_address): New function.
6854 2010-03-09 Jakub Jelinek <jakub@redhat.com>
6857 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
6860 * var-tracking.c (adjust_sets): New function.
6861 (count_with_sets, add_with_sets): Use it.
6862 (get_adjusted_src): New inline function.
6863 (add_stores): Use it.
6866 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
6867 call cselib_dummy_expand_value_rtx_cb instead of
6868 cselib_expand_value_rtx_cb.
6871 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
6872 * config/i386/i386.c: Include debug.h and dwarf2out.h.
6873 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
6874 and .cfi_endproc around the pic thunks.
6875 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
6876 all queued unwind info register saves are saved before the call.
6877 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
6878 considered as sp-=4 for unwind info and the pop as sp+=4 which
6879 also clobbers dest, but doesn't actually restore it.
6882 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
6883 RTX_FRAME_RELATED_P.
6885 2010-03-09 Jie Zhang <jie@codesourcery.com>
6887 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
6888 whitespaces in output template.
6890 2010-03-09 Jie Zhang <jie@codesourcery.com>
6892 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
6895 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6897 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
6898 builtins.exp in a separate job.
6900 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6902 * graphite-sese-to-poly.c (add_param_constraints): Use
6903 lower_bound_in_type and upper_bound_in_type.
6905 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6907 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
6908 instead of unsigned_type_node.
6910 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6911 Reza Yazdani <reza.yazdani@amd.com>
6914 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
6915 on pointer type parameters.
6917 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6921 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
6922 handle conversions from pointer to integers.
6923 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
6924 induction variable, to be able to work with code generated by CLooG.
6925 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
6926 (build_poly_scop): Bail out if we cannot codegen a loop.
6928 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6930 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
6931 code generation with gloog_error.
6933 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6935 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
6936 Call fold_convert on all the returned values.
6937 (expand_scalar_variables_expr): Pass to
6938 expand_scalar_variables_ssa_name the type of the resulting expression.
6940 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6942 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
6943 ppl_min_for_le_pointset.
6944 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
6945 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
6947 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6949 * graphite-dependences.c (map_into_dep_poly): Removed.
6950 (dependence_polyhedron_1): Use combine_context_id_scat.
6952 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6954 * graphite-poly.h (struct poly_scattering): Add layout documentation.
6955 (struct poly_bb): Same.
6956 (combine_context_id_scat): New.
6958 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6961 * sese.c (name_defined_in_loop_p): Return false for default
6964 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6966 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
6967 and clean up the logic.
6969 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6971 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
6974 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6976 * var-tracking.c (remove_cselib_value_chains): Define only for
6978 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
6979 delete_slot_part, emit_notes_for_differences_1): Don't call
6980 remove_cselib_value_chains here.
6981 (set_slot_part, emit_notes_for_differences_2): Don't call
6982 add_cselib_value_chains here.
6983 (preserved_values): New vector.
6984 (preserve_value): New function.
6985 (add_uses, add_stores, vt_add_function_parameters): Use it
6986 instead of cselib_preserve_value.
6987 (changed_values_stack): New vector.
6988 (check_changed_vars_0): New function.
6989 (check_changed_vars_1, check_changed_vars_2): Use it.
6990 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
6991 changed_values_stack VALUEs.
6992 (vt_emit_notes): For all preserved_values call
6993 add_cselib_value_chains. If ENABLE_CHECKING call
6994 remove_cselib_value_chains before verifying value_chains is empty.
6995 Initialize and free changed_values_stack.
6996 (vt_initialize): Initialize preserved_values.
6997 (vt_finalize): Free preserved_values.
6999 2010-03-08 Richard Guenther <rguenther@suse.de>
7001 PR tree-optimization/43269
7002 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
7005 2010-03-08 Martin Jambor <mjambor@suse.cz>
7007 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
7008 (ipa_is_param_called): Removed.
7009 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
7010 (ipa_print_node_params): Do not print the called flag.
7011 (ipa_write_node_info): Do not stream the called flag.
7012 (ipa_read_node_info): Likewise.
7014 2010-03-07 Jakub Jelinek <jakub@redhat.com>
7017 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
7018 * cselib.c (struct expand_value_data): Add dummy field.
7019 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
7021 (cselib_dummy_expand_value_rtx_cb): New function.
7022 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
7024 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
7025 * var-tracking.c: Include pointer-set.h.
7026 (variable): Change n_var_parts to char from int. Add
7027 cur_loc_changed and in_changed_variables fields.
7028 (variable_canonicalize): Remove.
7029 (shared_var_p): New inline function.
7030 (unshare_variable): Maintain cur_loc_changed and
7031 in_changed_variables fields. If var was in changed_variables,
7032 replace it there with new_var. Just copy cur_loc instead of
7033 resetting it to something else.
7034 (variable_union): Don't recompute cur_loc. Use shared_var_p.
7035 (dataflow_set_union): Don't call variable_canonicalize.
7036 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
7037 of their DEBUG_EXPR_TREE_DECLs.
7038 (canonicalize_loc_order_check): Verify that cur_loc is NULL
7039 and in_changed_variables and cur_loc_changed is false.
7040 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
7041 and cur_loc_changed. Don't update cur_loc here.
7042 (variable_merge_over_src): Don't call variable_canonicalize.
7043 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
7044 removing loc that is equal to cur_loc, clear cur_loc,
7045 set cur_loc_changed and ensure variable_was_changed is called.
7046 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
7047 compare pointers in cur_loc check, if it is equal to loc,
7048 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
7049 (variable_different_p): Remove compare_current_location argument,
7050 don't compare cur_loc.
7051 (dataflow_set_different_1): Adjust variable_different_p caller.
7052 (variable_was_changed): If dv had some var in changed_variables
7053 already, reset in_changed_variables flag for it and propagate
7054 cur_loc_changed over to the new variable. On empty var
7055 always set cur_loc_changed. Set in_changed_variables on whatever
7056 var is added to changed_variables.
7057 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
7058 Use shared_var_p. When removing loc that is equal to cur_loc,
7059 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
7060 end, don't set it to something else, just call variable_was_changed.
7061 (delete_slot_part): Use shared_var_p. When cur_loc equals to
7062 loc being removed, clear cur_loc and set cur_loc_changed.
7063 Set cur_loc_changed if all locations have been removed.
7064 (struct expand_loc_callback_data): New type.
7065 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
7066 allocated. Always create SUBREGs if simplify_subreg failed.
7067 Prefer to use cur_loc, when that fails and still in
7068 changed_variables (and seen first time) recompute it. Set
7069 cur_loc_changed of variables which had to change cur_loc and
7070 compute elcd->cur_loc_changed if any of the subexpressions used
7071 had to change cur_loc.
7072 (vt_expand_loc): Adjust to pass arguments in
7073 expand_loc_callback_data structure.
7074 (vt_expand_loc_dummy): New function.
7075 (emitted_notes): New variable.
7076 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
7077 that weren't used for any other decl in current
7078 emit_notes_for_changes call call vt_expand_loc_dummy to update
7079 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
7080 first loc_chain location if NULL before. Always use just
7081 cur_loc instead of first loc_chain location. When cur_loc_changed
7082 is false, when not --enable-checking=rtl just don't emit any note.
7083 When rtl checking, compute the note and assert it is the same
7084 as previous note. Clear cur_loc_changed and in_changed_variables
7085 at the end before removing from changed_variables.
7086 (check_changed_vars_3): New function.
7087 (emit_notes_for_changes): Traverse changed_vars to call
7088 check_changed_vars_3 on each changed var.
7089 (emit_notes_for_differences_1): Clear cur_loc_changed and
7090 in_changed_variables. Recompute cur_loc of new_var.
7091 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
7092 (vt_emit_notes): Initialize and destroy emitted_notes.
7094 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
7096 PR rtl-optimization/42220
7097 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
7098 Use verify_reg_tracked to determine if we should use OP_OUT rather
7100 (build_def_use): If we see an in-out operand for a register that we
7101 know nothing about, treat is an output if possible, fail the block if
7104 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
7107 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
7110 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
7113 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
7114 uses of relevant DEFs that are dead outside the loop too.
7116 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
7118 * var-tracking.c (dataflow_set_merge): Swap src and src2.
7120 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7122 * var-tracking.c (values_to_unmark): New variable.
7123 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7124 values_to_unmark vector. Moved body to...
7125 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7126 instead queue it into values_to_unmark vector.
7127 (vt_find_locations): Free values_to_unmark vector.
7129 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
7131 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
7132 (site.exp): Export them when plugins are enabled.
7134 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
7137 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
7139 (chrec_fold_multiply): Same.
7141 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
7144 * c-decl.c (build_compound_literal): Return early if init is
7147 2010-03-04 Martin Jambor <mjambor@suse.cz>
7149 PR tree-optimization/43164
7150 PR tree-optimization/43191
7151 * tree-sra.c (type_consists_of_records_p): Reject records with
7152 zero-size bit-fields at the end.
7154 2010-03-04 Mike Stump <mikestump@comcast.net>
7156 * Makefile.in (TAGS): Remove *.y.
7158 2010-03-04 Richard Guenther <rguenther@suse.de>
7160 PR tree-optimization/40761
7161 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
7163 (my_rev_post_order_compute): New function.
7164 (init_pre): Call it.
7166 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
7169 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
7170 decrease the cost of an IV candidate when the cost is infinite.
7172 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7174 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
7175 Use '3DNow!' for the extension of that name, ensure normal space
7177 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
7179 2010-03-03 Jeff Law <law@redhat.com>
7181 * PR middle-end/32693
7182 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
7183 than gen_rtx_SUBREG.
7184 (extract_bit_field_1): Likewise.
7186 2010-03-03 Janis Johnson <janis187@us.ibm.com>
7188 * doc/sourcebuild.texi (Test directives): Document that arguments
7189 include-opts and exclude-opts are now optional for dg-skip-if,
7190 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
7192 2010-03-03 Jason Merrill <jason@redhat.com>
7195 * cgraph.h (varpool_node): Add extra_name field.
7196 * varpool.c (varpool_extra_name_alias): New.
7197 (varpool_assemble_decl): Emit extra name aliases.
7198 (varpool_mark_needed_node): Look past an extra name alias.
7199 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
7200 * lto-streamer-in.c (lto_input_tree): Read it.
7201 * lto-streamer-out.c (output_unreferenced_globals): Write it.
7203 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
7205 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
7206 (sparc*-*-solaris2*): ...this.
7208 2010-03-03 Jakub Jelinek <jakub@redhat.com>
7211 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
7212 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
7213 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
7214 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
7217 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
7218 fallthrough to default handling, just with want_address 0 instead of 2.
7219 For single element lists, add_AT_loc directly, otherwise create an
7220 artificial variable DIE and stick location list to it.
7223 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
7224 (VAL_EXPR_HAS_REVERSE): Define.
7225 (reverse_op): New function.
7226 (add_stores): For reversible operations add an extra MO_VAL_USE.
7228 2010-03-02 Jason Merrill <jason@redhat.com>
7230 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
7232 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
7234 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
7235 (sparc64-*-linux*): Likewise.
7236 (sparc64-*-solaris2*): Include assembler files before linker ones.
7237 (sparc-*-solaris2*): Simplify and reorder to match previous case.
7238 * config/sparc/gas.h: Delete.
7239 * config/sparc/sol2-64.h: Add copyright notice.
7240 * config/sparc/sol2-gas-bi.h: Likewise.
7241 * config/sparc/sol2-gld.h: Likewise.
7242 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
7243 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
7244 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
7245 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
7246 (sparc_elf_asm_named_section): Rename into...
7247 (sparc_solaris_elf_asm_named_section): ...this. Always define.
7249 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
7251 * config/alpha/alpha.c (override_options): Fix -mtune error message.
7253 2010-03-02 Jeff Law <law@redhat.com>
7256 * reload1.c (rtx_p, substitute_stack): Declare.
7257 (substitute): Record addresses of changed rtxs.
7258 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
7259 Restore the original rtx when complete.
7260 (reload): Free subsitute_stack when complete.
7262 2010-03-02 Janis Johnson <janis187@us.ibm.com>
7264 * doc/gccint.texi (menu): Add Testsuites as a chapter.
7265 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
7267 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
7268 LTO Testing, gcov Testing, profopt Testing, compat Testing,
7269 Torture Tests): Change from subsection to section.
7271 2010-03-02 Jakub Jelinek <jakub@redhat.com>
7272 Steven Bosscher <steven@gcc.gnu.org>
7274 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
7277 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
7280 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
7281 the assignment from the new induction variable to the assignment
7282 of the value from the original loop PHI function.
7284 2010-03-01 Janis Johnson <janis187@us.ibm.com>
7285 Daniel Jacobowitz <dan@codesourcery.com>
7287 * doc/sourcebuild.texi (Test directives): Clarify options to
7290 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7292 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
7293 Disable cfi directives unless GCC and gas agree on using read-only
7294 .eh_frame sections for 64-bit.
7295 * configure: Regenerate.
7297 2010-03-01 Richard Guenther <rguenther@suse.de>
7299 PR tree-optimization/43220
7300 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
7301 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
7303 2010-03-01 Richard Guenther <rguenther@suse.de>
7304 Martin Jambor <mjambor@suse.cz>
7307 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
7308 gimplified parameters.
7310 2010-03-01 Christian Bruel <christian.bruel@st.com>
7312 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
7314 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
7316 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
7318 2010-03-01 Richard Guenther <rguenther@suse.de>
7321 * expr.c (expand_assignment): Use the alias-oracle to tell
7322 if the rhs aliases the result decl.
7324 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7327 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
7328 to sol_gt_pch_get_address.
7329 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
7330 64-bit, SPARC and x86.
7331 (sol_gt_pch_get_address): New function.
7333 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
7335 * toplev.h (inform_n, error_n): Declare.
7336 * diagnostic.c (inform_n, error_n): New function.
7338 2010-03-01 Jakub Jelinek <jakub@redhat.com>
7340 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
7341 has no rtl yet when processing local_decls, queue it and recheck
7342 if deferred stack allocation hasn't assigned it rtl.
7344 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
7346 * config/sh/sh.c (unspec_bbr_uid): New.
7347 (gen_block_redirect): Use it instead of INSN_UID.
7348 (gen_far_branch): Likewise.
7350 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
7352 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
7353 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
7355 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7357 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
7358 (Warning Options): -Wno-conversion-null is valid for
7359 Objective-C++ as well.
7360 * doc/tm.texi (Named Address Spaces): Likewise.
7361 * doc/plugins.texi (Plugins): Replace TABs with spaces.
7362 * doc/tree-ssa.texi (Tree SSA): Likewise.
7364 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
7367 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
7368 by default. Don't set the default arch for
7369 i[34567]86-*-darwin*|x86_64-*-darwin*.
7371 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
7374 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
7375 default. Set the default 32bit/64bit archs with $with_arch
7376 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
7378 2010-02-27 Richard Guenther <rguenther@suse.de>
7380 PR tree-optimization/43186
7381 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
7382 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
7383 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
7384 unroller iterations.
7386 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
7388 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
7389 required and i[34567]86-*-* targets don't support 64bit ISA.
7391 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
7394 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7397 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
7399 * config.gcc: Set the default arch at least to Prescott for
7400 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
7401 if SSE math is enabled.
7403 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
7405 * diagnostic.c (diagnostic_initialize): Update.
7406 (diagnostic_report_diagnostic): Test inhibit_notes_p for
7408 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
7409 (diagnostic_inhibit_notes): New.
7410 * toplev.c (process_options): inhibit notes with -fcompare-debug.
7412 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
7415 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
7416 * doc/standards.texi: Likewise.
7417 * doc/extend.texi: Likewise.
7418 * doc/trouble.texi: Likewise.
7419 * doc/cppopts.texi: Likewise.
7420 * doc/install.texi: Likewise.
7421 * c.opt (std=c90,std=gnu90): New options.
7422 * c-opts.c (c_common_handle_option): Handle them.
7424 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
7427 * c-decl.c (undeclared_variable): Use an informative note.
7429 2010-02-26 Richard Guenther <rguenther@suse.de>
7431 PR tree-optimization/43186
7432 * gimple.h (gimple_fold): Remove.
7433 * gimple.c (gimple_fold): Remove. Inline into single user ...
7434 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
7435 Try harder for conditions.
7437 2010-02-26 Jakub Jelinek <jakub@redhat.com>
7440 * function.c (used_types_insert): Don't skip through named pointer
7441 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
7442 and it is different from the main variant's type.
7444 2010-02-26 Nick Clifton <nickc@redhat.com>
7446 * config/rx/rx.md (sminsi3): Remove bogus alternative.
7448 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
7450 * config.gcc: Support --with-fpmath=sse for x86.
7452 * config/i386/ssemath.h: New.
7454 * doc/install.texi (--with-fpmath=sse): Documented.
7456 2010-02-26 Richard Guenther <rguenther@suse.de>
7458 PR tree-optimization/43188
7459 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
7460 vector types of over-aligned element type.
7462 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
7465 * config/i386/i386.c (expand_vec_perm_blend): Use correct
7466 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
7468 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
7470 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
7472 2010-02-26 Jakub Jelinek <jakub@redhat.com>
7474 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
7475 * var-tracking.c: Include diagnostic.h.
7476 (debug_dv): New function.
7477 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
7480 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
7481 (add_value_chain, add_value_chains, remove_value_chain,
7482 remove_value_chains): Handle DEBUG_EXPRs.
7483 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
7486 * regcprop.c (struct queued_debug_insn_change): New type.
7487 (struct value_data_entry): Add debug_insn_changes field.
7488 (struct value_data): Add n_debug_insn_changes field.
7489 (debug_insn_changes_pool): New variable.
7490 (free_debug_insn_changes, apply_debug_insn_changes,
7491 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
7492 (kill_value_one_regno): Call free_debug_insn_changes if needed.
7493 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
7495 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
7497 (copyprop_hardreg_forward_1): Don't call apply_change_group for
7498 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
7499 changes, call cprop_find_used_regs via note_stores.
7500 (copyprop_hardreg_forward): When copying vd from predecessor
7501 which has any queued DEBUG_INSN changes, make sure the pointers are
7502 cleared. At the end call df_analyze and then if there are any
7503 DEBUG_INSN changes queued at the end of some basic block for still
7504 live registers, apply them.
7505 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
7507 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
7509 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
7512 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
7514 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
7515 targets. Set the default with_cpu/with_arch from arch/cpu.
7516 Allow x86-64 and native for with_cpu/with_arch.
7518 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
7520 * ebitmap.c: Change calls to verify_popcount with calls to
7521 sbitmap_verify_popcount.
7522 (ebitmap_clear_bit): Fixed map->cacheindex test and
7523 map>cache update when bit clearing results in an empty
7526 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
7529 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
7530 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
7531 and support both V2DF and V2DI modes.
7532 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
7533 support both V2DF and V2DI modes.
7534 (general): Delete trailing whitespace from a few patterns.
7536 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7537 V2DF/V2DI interleave high/low builtins.
7539 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
7542 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
7543 interleave high/low functions.
7545 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
7547 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
7548 #pragma extern_prefix.
7550 2010-02-25 Jakub Jelinek <jakub@redhat.com>
7553 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
7554 BLKmode, assert op0 is a MEM and just adjust its mode.
7557 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
7558 if bitpos isn't multiple of mode's bitsize.
7560 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7562 * c.opt (-ftemplate-depth=): New.
7563 (-ftemplate-depth-): Deprecate.
7564 * optc-gen.awk: Handle -ftemplate-depth=.
7565 * opth-gen.awk: Likewise.
7566 * c-opts.c (c_common_handle_option): Likewise.
7567 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
7569 2010-02-24 Jason Merrill <jason@redhat.com>
7571 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
7573 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7575 * cfg.c (alloc_aux_for_block): Remove inline.
7576 (alloc_aux_for_edge): Likewise.
7578 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7580 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
7582 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7584 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
7585 * config/i386/sol2-gas.h: New file.
7586 * config.gcc (i[34567]86-*-solaris2*): Use it.
7588 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7591 * c-typeck.c (ep_convert_and_check): New.
7592 (build_conditional_expr): Use it.
7593 (build_binary_op): Likewise.
7595 2010-02-24 Jakub Jelinek <jakub@redhat.com>
7597 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
7600 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
7601 bounds even for -O+.
7602 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
7603 expr needs to have DECL_NAME set.
7605 2010-02-24 Nick Clifton <nickc@redhat.com>
7607 * config/mep/mep.c: Include gimple.h.
7608 (mep_function_uses_sp): Delete unused function.
7609 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
7610 parameters. Use unsigned integers to count args. Return a
7611 NULL_RTX instead of an error_mark_node. Toidy up formatting.
7613 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7616 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
7617 greater or equal to nelt instead of 2 * nelt.
7618 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
7621 2010-02-23 Jason Merrill <jason@redhat.com>
7624 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
7625 in cfun->local_decls even if they have register types.
7628 * stor-layout.c (place_field): Don't warn about unnecessary
7629 DECL_PACKED if the type is packed.
7631 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7634 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
7635 GOTOFF relocs, even when the base reg isn't pic pointer.
7637 2010-02-23 Michael Matz <matz@suse.de>
7640 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
7641 (expand_gimple_basic_block): Generate and use debug temps if there
7642 are debug uses left after the last real use of TERed ssa names.
7643 Unlink debug immediate uses when they are expanded.
7645 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
7648 * config/i386/i386.c (override_options): Reorganise to provide
7649 better error messages.
7651 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7654 * graphite-scop-detection.c (create_single_exit_edge): Move
7655 the call to find_single_exit_edge to....
7656 (create_sese_edges): ...here. Don't handle multiple edges
7657 exiting the function.
7658 (build_graphite_scops): Don't handle multiple edges
7659 exiting the function.
7661 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7664 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
7665 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
7667 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7670 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
7672 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
7675 * c-typeck.c (convert_arguments): Print declaration location.
7676 * c-common.c (validate_nargs): Rename as
7677 builtin_function_validate_nargs.
7678 (check_builtin_function_arguments): Update.
7680 2010-02-22 Richard Guenther <rguenther@suse.de>
7683 * tree-inline.c (declare_return_variable): Use the type of
7684 the call stmt lhs if available.
7686 2010-02-22 Duncan Sands <baldrick@free.fr>
7688 * passes.c (register_pass): Always consider all pass lists when
7689 ref_pass_instance_number is zero.
7691 2010-02-22 Richard Guenther <rguenther@suse.de>
7693 PR tree-optimization/42749
7694 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
7695 parameter. Do arithmetic in the original type.
7696 (update_accumulator_with_ops): Likewise.
7697 (adjust_accumulator_values): Adjust.
7699 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7701 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
7702 (QI to BLKmode splitter): New splitter.
7704 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
7706 * config/i386/i386.c (initial_ix86_tune_features): Turn on
7707 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
7709 2010-02-22 Richard Guenther <rguenther@suse.de>
7711 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
7713 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
7715 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
7716 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
7717 ($(T)crti.o, $(T)crtn.o): Remove rules.
7719 2010-02-21 Tobias Burnus <burnus@net-b.de>
7722 * doc/invoke.texi (-fassociative-math): Document that this
7723 option is automatically enabled for Fortran.
7725 2010-02-20 David S. Miller <davem@davemloft.net>
7727 * configure.ac: Test if linker and assembler properly support
7728 GOTDATA_OP relocations.
7729 * configure: Rebuild.
7730 * config.in: Likewise.
7731 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
7732 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
7733 (movsi_high_pic): Likewise.
7734 (movdi_lo_sum_pic): Likewise.
7735 (movdi_high_pic): Likewise.
7736 (movsi_pic_gotdata_op): New pattern.
7737 (movdi_pic_gotdata_op): Likewise.
7738 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
7739 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
7741 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
7744 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
7745 attribute to ssemul.
7746 (xop_mulv2div2di3_high): Ditto.
7748 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7751 * c.opt (Wconversion-null): New option.
7752 * doc/invoke.texi (Wconversion-null): Document.
7754 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7756 * common.opt (Wlarger-than-): Add Undocumented.
7758 2010-02-19 Mike Stump <mikestump@comcast.net>
7760 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
7762 2010-02-19 Jason Merrill <jason@redhat.com>
7765 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
7766 * configure: Likewise.
7768 2010-02-20 Alan Modra <amodra@gmail.com>
7771 * cgraph.h (cgraph_make_decl_local): Declare.
7772 * cgraph.c (cgraph_make_decl_local): New function.
7773 (cgraph_make_node_local): Use it.
7774 * cgraphunit.c (cgraph_function_versioning): Likewise.
7775 * ipa.c (function_and_variable_visibility): Likewise.
7777 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7780 * except.c (sjlj_emit_function_enter): Don't call
7781 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
7783 * rtl.h (add_reg_br_prob_note): Remove prototype.
7785 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
7788 * c-common.c (conversion_warning): Remove widening conversions
7789 before checking the conversion of integers to reals.
7791 2010-02-19 Mike Stump <mikestump@comcast.net>
7794 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
7797 * cgraphunit.c (process_function_and_variable_attributes): Check
7798 DECL_PRESERVE_P instead of looking up attribute "used".
7799 * ipa-pure-const.c (check_decl): Likewise.
7800 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
7801 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
7802 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
7803 instead of attribute "used".
7804 * config/sol2-c.c (solaris_pragma_init): Likewise.
7805 (solaris_pragma_fini): Likewise.
7807 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7809 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
7810 Use XCNEW instead of xcalloc.
7811 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
7812 XNEW instead of xmalloc.
7813 (get_fields): Use XNEWVEC instead of xmalloc.
7816 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
7817 populate vars array.
7818 (create_new_general_access): For debug stmts just reset value.
7819 (get_stmt_accesses): For accesses within debug stmts just record them
7820 using add_access_to_acc_sites instead of preventing the peeling or
7821 counting them as accesses.
7824 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
7826 2010-02-19 Richard Guenther <rguenther@suse.de>
7828 PR tree-optimization/42916
7829 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
7832 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
7834 * configure.ac: Replace all uses of changequote in macro arguments
7835 with proper quoting.
7837 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7840 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
7842 2010-02-19 Richard Guenther <rguenther@suse.de>
7844 PR tree-optimization/42944
7845 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
7846 test for aliasing with errno.
7848 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7851 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
7852 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
7853 * dojump.c: Include output.h.
7854 (inv): New inline function.
7855 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
7856 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
7857 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
7858 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
7859 argument, pass it down to other calls.
7860 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
7861 add REG_BR_PROB note to the conditional jump.
7862 * cfgexpand.c (add_reg_br_prob_note): Removed.
7863 (expand_gimple_cond): Don't call it, add the probability
7864 as last argument to jumpif_1/jumpifnot_1.
7865 * Makefile.in (dojump.o): Depend on output.h.
7866 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
7868 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
7869 * stmt.c (do_jump_if_equal): Likewise.
7870 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
7871 * loop-unswitch.c (compare_and_jump_seq): Likewise.
7872 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
7874 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
7875 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
7876 jumpifnot_1 callers.
7877 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
7879 (store_expr): Adjust jumpifnot caller.
7880 (store_constructor): Adjust jumpif caller.
7883 * gimplify.c (gimple_boolify): For __builtin_expect call
7884 gimple_boolify also on its first argument.
7886 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
7888 * configure.ac (gnu-unique-object): Wrap regexps using [] in
7890 (__stack_chk_fail): Ditto. Remove quadrigraphs.
7891 * configure: Regenerated.
7893 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7895 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
7896 lang_hooks.types_compatible_p instead of comptypes.
7898 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
7900 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
7901 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
7902 if __prefer_thumb__ is defined.
7904 2010-02-18 Martin Jambor <mjambor@suse.cz>
7906 PR tree-optimization/43066
7907 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
7908 array with zero-sized element type.
7910 2010-02-18 Jakub Jelinek <jakub@redhat.com>
7912 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
7913 rtx, allocate struct var_loc_node here and return it to the
7914 caller, and only if it is actually needed.
7915 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
7916 move it earlier and return immediately if it returns NULL.
7918 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
7920 * config/sparc/gas.h: New file. Restore
7921 TARGET_ASM_NAMED_SECTION to its ELF default.
7922 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
7924 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7925 Likewise. Add ATTRIBUTE_UNUSED to prototype.
7926 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
7927 after sparc/sysv4.h.
7929 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
7931 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
7933 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
7935 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
7936 patterns from predicated pattern.
7938 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
7941 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
7942 for insn mnemonic suffix.
7944 2010-02-17 Richard Guenther <rguenther@suse.de>
7946 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
7949 2010-02-17 Jakub Jelinek <jakub@redhat.com>
7952 * caller-save.c (save_call_clobbered_regs): If BB ends with
7953 a DEBUG_INSN, move any notes in between last real insn and the last
7954 DEBUG_INSN after the last DEBUG_INSN.
7956 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
7958 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
7959 Fix return type. Fix argument type. Explain meaning of return value.
7961 2010-02-16 Richard Guenther <rguenther@suse.de>
7963 PR tree-optimization/41043
7964 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
7965 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
7967 (vrp_visit_phi_node): ... but only for loop PHI nodes.
7969 2010-02-16 Ira Rosen <irar@il.ibm.com>
7971 PR tree-optimization/43074
7972 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
7973 * tree-vect-loop.c (vect_analyze_loop_operations): Add
7974 vectorizable cycles in hybrid SLP check.
7975 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
7977 2010-02-16 Richard Guenther <rguenther@suse.de>
7979 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
7980 (true_dependence): If memrefs_conflict_p computes must-alias
7981 trust it. Move TBAA check after offset-based disambiguation.
7982 (canon_true_dependence): Likewise.
7984 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
7986 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
7987 * doc/invoke.texi: Document it.
7988 * var-tracking.c: Include toplev.h and params.h.
7989 (vt_find_locations): Return bool indicating success. Compute
7990 hash sizes unconditionally. Check new parameter, report.
7991 (variable_tracking_main_1): Check vt_find_locations results and
7992 retry. Renamed from...
7993 (variable_tracking_main): ... this. New wrapper to preserve
7994 flag_var_tracking_assignments.
7995 * Makefile.in (var-tracking.o): Adjust dependencies.
7997 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
7998 Jakub Jelinek <jakub@redhat.com>
8001 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
8002 if weak_import attribute is present.
8003 * config/darwin.c (machopic_select_section): Likewise.
8005 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
8007 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
8008 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
8009 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
8010 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
8012 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
8015 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
8018 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
8019 Rewrite text to refer to the names.
8021 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
8023 * config/i386/i386-builtin-types.def
8024 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
8025 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
8026 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
8027 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
8028 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
8029 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
8030 IX86_BUILTIN_VPERMIL2PS256.
8031 (MULTI_ARG_4_DF2_DI_I): Defined.
8032 (MULTI_ARG_4_DF2_DI_I1): Defined.
8033 (MULTI_ARG_4_SF2_SI_I): Defined.
8034 (MULTI_ARG_4_SF2_SI_I1): Defined.
8035 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
8036 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
8037 __builtin_ia32_vpermil2ps256.
8038 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
8039 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
8040 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
8041 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
8042 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
8043 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
8044 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
8045 CODE_FOR_xop_vpermil2v8sf3.
8046 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
8047 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
8048 * config/i386/xopintrin.h (_mm_permute2_pd): New.
8049 (_mm256_permute2_pd): New.
8050 (_mm_permute2_ps): New.
8051 (_mm256_permute2_ps): New.
8053 2010-02-15 Nick Clifton <nickc@redhat.com>
8055 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
8056 boolean parameters. Use emit_jump_insn when emitting a pop
8057 instruction containing a return insn.
8058 (push): Use 'true' rather than '1' as second parameter to F.
8059 (h8300_expand_prologue): Likewise.
8060 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
8061 (h8300_expand_epilogue): Likewise.
8063 2010-02-15 Richard Guenther <rguenther@suse.de>
8066 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
8069 2010-02-15 Nick Clifton <nickc@redhat.com>
8071 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
8074 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
8076 * intl.c (fake_ngettext): New function.
8077 * intl.h (fake_ngettext): Declare.
8078 (ngettext): Define macro.
8079 * collect2.c (notice_translated): New function.
8080 (main): Use notice_translated and ngettext.
8081 * collect2.h (notice_translated): Declare.
8083 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
8085 * reorg.c (delete_computation): Comment fixes.
8086 * caller-save.c (setup_save_areas): Idem.
8087 * sel-sched-dump.c (dump_lv_set): Idem.
8090 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
8092 * config/s390/s390.c (s390_sched_init): New function.
8093 (TARGET_SCHED_INIT): Target hook defined.
8095 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
8096 Jack Howarth <howarth@bromo.med.uc.edu>
8097 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
8100 Partial revert of unintended change in fix for PR41605.
8101 * config/darwin.h: Fix typo.
8102 * config/darwin9.h: Same.
8104 2010-02-11 Jakub Jelinek <jakub@redhat.com>
8106 * c-pch.c (pch_init): Clear v.
8108 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
8111 * graphite-scop-detection.c (graphite_can_represent_scev): Call
8112 graphite_can_represent_init for MULT_EXPR.
8114 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
8118 * graphite-sese-to-poly.c (remove_phi): New.
8119 (translate_scalar_reduction_to_array): Call remove_phi.
8121 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
8124 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
8125 * graphite-clast-to-gimple.h (gloog): Update declaration.
8126 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
8127 * graphite-poly.h (struct poly_bb): Add missing comments.
8128 (struct scop): Add poly_scop_p field.
8130 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
8131 * graphite.c (graphite_transform_loops): Build the polyhedral
8132 representation for each scop before code generation.
8133 * sese.c (rename_variables_in_operand): Removed.
8134 (rename_variables_in_expr): Return the renamed expression.
8135 (rename_sese_parameters): New.
8136 * sese.h (rename_sese_parameters): Declared.
8138 2010-02-11 Richard Guenther <rguenther@suse.de>
8140 PR tree-optimization/42998
8141 * tree-ssa-pre.c (create_expression_by_pieces): Treat
8142 POINTER_PLUS_EXPR properly.
8144 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
8145 Changpeng Fang <changpeng.fang@amd.com>
8148 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
8149 the cost of an IV candidate when the IV is used in a test against zero.
8151 * gcc.dg/tree-ssa/ivopts-3.c: New.
8153 2010-02-11 Richard Guenther <rguenther@suse.de>
8156 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
8157 pointer-vs-decl case by swapping refs. Handle some cases
8158 of pointer-vs-decl disambiguations more conservatively.
8159 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
8160 to false after expanding.
8162 2010-02-11 Richard Guenther <rguenther@suse.de>
8165 * gcc.c (process_command): Handle LTO file@offset case more
8168 2010-02-11 Jakub Jelinek <jakub@redhat.com>
8170 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
8171 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
8173 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
8175 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
8176 if MEM's mode size isn't DWARF2_ADDR_SIZE.
8177 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
8178 Optimize eq/ne comparisons when both arguments are known to be
8180 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
8181 Don't mask operands unnecessarily if they are known to be already
8184 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
8186 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
8189 2010-02-10 Richard Guenther <rguenther@suse.de>
8191 PR tree-optimization/43017
8192 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
8193 for wrapping signed arithmetic.
8195 2010-02-10 Jakub Jelinek <jakub@redhat.com>
8198 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
8199 if no debug info should be emitted for it.
8201 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
8203 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
8204 note when flag_exceptions is set.
8206 2010-02-10 Duncan Sands <baldrick@free.fr>
8208 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
8210 2010-02-10 Richard Guenther <rguenther@suse.de>
8213 * tree.c (get_unwidened): Handle constants.
8214 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
8216 2010-02-10 Martin Jambor <mjambor@suse.cz>
8219 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
8220 check for variable argument counts independently.
8222 2010-02-10 Christian Bruel <christian.bruel@st.com>
8225 * config/sh/sh.c (find_barrier): Increase length for non delayed
8226 conditional branches.
8228 2010-02-10 Christian Bruel <christian.bruel@st.com>
8230 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
8232 2010-02-10 Jakub Jelinek <jakub@redhat.com>
8234 * builtins.c (set_builtin_user_assembler_name): Also handle
8235 ffs if int is smaller than word.
8237 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
8240 * ira-conflicts.c (get_dup): Remove.
8241 (process_reg_shuffles): Add new parameter. Use it as an
8242 additional guard for copy generation.
8243 (add_insn_allocno_copies): Rewrite.
8245 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
8247 * common.opt (fsched2-use-traces): Preserved for backward
8249 * doc/invoke.texi: Remove the documentation about option
8250 -fsched2-use-traces.
8251 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
8252 flag_sched2_use_traces.
8253 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
8254 the backward compatibility flag section.
8256 2010-02-09 Richard Guenther <rguenther@suse.de>
8258 PR tree-optimization/43008
8259 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
8260 make HEAP variables initialized from global memory if they
8261 are not known builtin functions.
8262 (find_func_aliases): Adjust.
8264 2010-02-09 Richard Guenther <rguenther@suse.de>
8266 PR tree-optimization/43000
8267 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
8268 arithmetic manually.
8270 2010-02-08 Jakub Jelinek <jakub@redhat.com>
8272 PR tree-optimization/42931
8273 * tree-loop-linear.c (try_interchange_loops): Don't call
8274 double_int_mul if estimated_loop_iterations failed.
8276 2010-02-08 Martin Jambor <mjambor@suse.cz>
8279 * tree-sra.c (build_accesses_from_assign): Do not mark in
8280 should_scalarize_away_bitmap if stmt has volatile ops.
8281 (sra_modify_assign): Do not process assigns piecemeal if if stmt
8284 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
8286 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
8288 2010-02-07 Adam Nemet <adambnmet@gmail.com>
8290 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
8293 2010-02-07 Andrew Pinski <pinskia@gmail.com>
8296 * df-core.c (df_finish_pass): Change type of saved_flags to int.
8298 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
8301 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
8302 to unknown_dependence.
8303 (graphite_legal_transform_dr): Handle the unknown_dependence.
8304 (graphite_carried_dependence_level_k): Same.
8306 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
8308 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
8310 2010-02-07 Richard Guenther <rguenther@suse.de>
8313 * expr.c (get_inner_reference): Always initialize *pbitsize.
8315 2010-02-07 Richard Guenther <rguenther@suse.de>
8318 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
8319 new ARRAY_REFs on variable size element or minimal index arrays.
8321 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
8322 gimple_fold_indirect_ref.
8324 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
8327 * arm.c (arm_override_options): Just return if the user has specified
8328 an invalid fpu name.
8330 2010-02-03 Jason Merrill <jason@redhat.com>
8333 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
8334 i386_pe_maybe_record_exported_symbol.
8336 2010-02-05 Steve Ellcey <sje@cup.hp.com>
8339 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8340 (pa_delegitimize_address): New function.
8342 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
8344 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
8345 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
8347 2010-02-05 Richard Guenther <rguenther@suse.de>
8350 * lto-streamer-in.c (get_resolution): Deal with references
8351 to undefined functions.
8353 2010-02-05 Richard Guenther <rguenther@suse.de>
8355 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
8356 (fold_const_aggregate_ref): Likewise.
8357 (ccp_fold_stmt): Substitute loads.
8358 (maybe_fold_reference): Verify types before substituting.
8360 (fold_gimple_assign): Unshare properly.
8361 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
8363 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
8365 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
8366 for rs6000_gen_cell_microcode.
8368 2010-02-04 Richard Guenther <rguenther@suse.de>
8370 PR rtl-optimization/42952
8371 * dse.c (const_or_frame_p): Remove MEM handling.
8373 2010-02-04 Nick Clifton <nickc@redhat.com>
8375 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
8376 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
8377 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
8378 (mn10300_asm_output_mi_thunk): New function.
8379 (mn10300_can_output_mu_thunk): New function.
8380 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
8381 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
8382 (FUNCTION_ARG): Delete incorrect comment.
8384 2010-02-03 Jason Merrill <jason@redhat.com>
8387 * fold-const.c (operand_equal_p): Handle erroneous types.
8389 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
8391 * config/h8300/h8300.md (can_delay): Fix attibute condition.
8393 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
8395 PR rtl-optimization/42941
8396 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
8399 2010-02-03 Jason Merrill <jason@redhat.com>
8402 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
8404 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
8407 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
8408 (cselib_reset_table): Renamed from...
8409 (cselib_reset_table_with_next_value): ... this.
8410 (cselib_get_next_uid): Renamed from...
8411 (cselib_get_next_unknown_value): ... this.
8412 * cselib.c (next_uid): Renamed from...
8413 (next_unknown_value): ... this.
8414 (cselib_clear_table): Adjust.
8415 (cselib_reset_table): Adjust. Renamed from...
8416 (cselib_reset_table_with_next_value): ... this.
8417 (cselib_get_next_uid): Adjust. Renamed from...
8418 (cselib_get_next_unknown_value): ... this.
8419 (get_value_hash): Use hash.
8420 (cselib_hash_rtx): Likewise.
8421 (new_cselib_val): Adjust. Set and dump uid.
8422 (cselib_lookup_mem): Pass next_uid as hash.
8423 (cselib_subst_to_values): Likewise.
8424 (cselib_log_lookup): Dump uid.
8425 (cselib_lookup): Pass next_uid as hash. Adjust.
8426 (cselib_process_insn): Adjust.
8427 (cselib_init): Initialize next_uid.
8428 (cselib_finish): Adjust.
8429 (dump_cselib_table): Likewise.
8430 * dse.c (canon_address): Dump value uid.
8431 * print-rtl.c (print_rtx): Print value uid.
8432 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
8434 (dv_uid): New function, sort of renamed from...
8435 (dv_htab_hash): ... this, reimplemented in terms of it and...
8436 (dv_uid2hash): ... this. New.
8437 (variable_htab_eq): Drop excess assertions.
8438 (tie_break_pointers): Removed.
8439 (canon_value_cmp): Compare uids.
8440 (variable_post_merge_New_vals): Print uids.
8441 (vt_add_function_parameters): Adjust.
8442 (vt_initialize): Reset table. Adjust.
8444 2010-02-03 Richard Guenther <rguenther@suse.de>
8446 PR tree-optimization/42944
8447 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
8448 (call_may_clobber_ref_p_1): Likewise. Properly handle
8449 malloc and calloc clobbering errno.
8451 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
8453 * doc/invoke.texi: Fix name of sched1 dump.
8455 * opts.c (decode_options): Set flag_tree_switch_conversion
8456 only conditionally on optimize >= 2.
8458 * gcse.c: Assorted comment fixes in pass description.
8460 2010-02-03 Anthony Green <green@moxielogic.com>
8462 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
8463 nop padding in order to maintain alignment of storage location of
8464 target function address.
8465 (moxie_trampoline_init): Store target function address at newly
8467 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
8469 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
8471 2010-02-03 Richard Guenther <rguenther@suse.de>
8474 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
8476 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8478 * config.gcc: Reenable check for obsolete targets.
8479 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
8480 mips-sgi-irix6.[0-4]*.
8482 2010-02-02 Nick Clifton <nickc@redhat.com>
8484 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
8485 constant size of 4 as being the same as 0.
8486 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
8487 can take values in the range 0..4.
8489 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
8492 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
8493 as _darwin10_Unwind_FindEnclosingFunction().
8494 * libgcc-libsystem.ver: New.
8496 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
8499 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
8500 implicitly set registers.
8502 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
8504 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
8505 (arm_override_options): Allow automatic selection of the thread
8506 pointer register if thumb2.
8507 (legitimize_pic_address): Improve code sequences for Thumb2.
8508 (arm_call_tls_get_addr): Likewise.
8509 (legitimize_tls_address): Likewise.
8510 * arm.md (pic_load_addr_arm): Delete. Replace with ...
8511 (pic_load_addr_32bit): ... this. New named pattern.
8512 * thumb2.md (pic_load_addr_thumb2): Delete.
8513 (pic_load_dot_plus_four): Delete.
8514 (tls_load_dot_plus_four): New named pattern.
8516 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8519 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
8520 Document fix for TLS bug.
8522 2010-01-31 Richard Guenther <rguenther@suse.de>
8524 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
8525 conservatively correct.
8527 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8531 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8533 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8535 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8537 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
8539 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
8541 * config.gcc: Adjust order of makefile fragments for mingw targets.
8543 2010-01-31 Richard Guenther <rguenther@suse.de>
8546 * gimplify.c (gimplify_init_constructor): For volatile LHS
8547 initialize a temporary.
8549 2010-01-31 Matthias Klose <doko@ubuntu.com>
8551 * configure.ac: Fix __stack_chk_fail check for cross builds configured
8553 * configure: Regenerate.
8555 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
8557 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
8558 the same alias set and their sizes different constantness.
8559 (aliasing_component_refs_p): Revert 2009-10-24 change.
8561 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8563 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
8566 2010-01-29 Richard Guenther <rguenther@suse.de>
8568 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
8569 Assert we successfully updated the call.
8571 2010-01-29 Jakub Jelinek <jakub@redhat.com>
8573 PR rtl-optimization/42889
8574 * df.h (df_set_bb_dirty_nonlr): New prototype.
8575 * df-core.c (df_set_bb_dirty_nonlr): New function.
8576 * df-scan.c (df_insn_rescan): Call it instead of
8577 df_set_bb_dirty for DEBUG_INSNs.
8579 2010-01-29 Richard Guenther <rguenther@suse.de>
8582 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
8583 quadratic behavior in most cases.
8585 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
8588 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
8589 in the call to gen_x86_movsicc_0_m1.
8591 2010-01-28 Richard Guenther <rguenther@suse.de>
8593 PR tree-optimization/42871
8594 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
8596 2010-01-28 Richard Guenther <rguenther@suse.de>
8598 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
8599 into call arguments.
8601 2010-01-28 Richard Guenther <rguenther@suse.de>
8604 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
8605 the forwarder if the destination is an EH landing pad.
8607 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
8609 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
8610 block list passed to gimple_duplicate_sese_tail.
8611 (parallelize_loops): Avoid parallelization when the function
8613 Avoid parallelization when the preheader is IRREDUCIBLE.
8614 Try to optimize when estimated_loop_iterations_int is unresolved.
8615 Add the loop's location to the dump file.
8616 * tree-cfg.c (add_phi_args_after_redirect): Remove.
8617 (gimple_duplicate_sese_tail): Remove the check for the latch.
8618 Redirect nexits to the exit block.
8619 Remove handling of the incoming edges to the latch.
8620 Redirect the backedge from the copied latch to the exit bb.
8622 2010-01-28 Michael Matz <matz@suse.de>
8625 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
8626 Wrap force_reg into a sequence, emit it before user.
8628 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
8630 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
8632 (arm_legacy_rev): Likewise.
8633 (thumb_legacy_rev): Likewise.
8635 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8637 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
8638 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
8639 on MEM's address failed, try avoid_constant_pool_reference and
8640 recurse if it returned something different.
8641 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
8642 address, try avoid_constant_pool_reference and recurse if it
8643 returned something different.
8644 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
8645 address and avoid_constant_pool_reference returned something
8646 different, don't set have_address.
8648 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
8651 * var-tracking.c (val_store): Add modified argument, obey it.
8653 (count_uses): Move down logging of main.
8654 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
8655 don't need resolution.
8656 (emit_notes_in_bb): Likewise.
8658 2010-01-27 Richard Guenther <rguenther@suse.de>
8661 * tree-inline.c (remap_decl): Delay remapping of SSA name
8662 default definitions until we need them.
8664 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8666 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8667 (rs6000_delegitimize_address): New function.
8669 * config/s390/s390.c (s390_delegitimize_address): Call
8670 delegitimize_mem_from_attrs.
8673 * tree-inline.c (cannot_copy_type_1): Removed.
8674 (copy_forbidden): Don't forbid copying of functions containing
8675 records/unions with variable length fields.
8677 2010-01-27 Christian Bruel <christian.bruel@st.com>
8681 * config/sh/sh.c (find_barrier): Increase length for non delayed
8682 conditional branches.
8684 2010-01-27 Matthias Klose <doko@ubuntu.com>
8686 * configure.ac (gnu-unique-object): Fix ldd version check.
8687 * configure: Regenerate.
8689 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8691 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
8693 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
8694 Test for HAVE_GNU_AS value.
8696 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8698 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
8699 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
8700 INT64_TYPE): Define.
8701 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
8702 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8703 INT_LEAST64_TYPE): Define.
8704 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
8705 UINT_LEAST64_TYPE): Define.
8706 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
8707 INT_FAST64_TYPE): Define.
8708 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8709 UINT_FAST64_TYPE): Define.
8710 (INTMAX_TYPE, UINTMAX_TYPE): Define.
8711 (INTPTR_TYPE, UINTPTR_TYPE): Define.
8712 (SIG_ATOMIC_TYPE): Define.
8714 2010-01-26 Richard Guenther <rguenther@suse.de>
8716 * df-scan.c (df_scan_set_bb_info): Remove assert.
8717 (df_insn_rescan_debug_internal): Merge asserts.
8718 (df_install_ref): Likewise.
8719 (df_mark_reg): Use bitmap_set_range.
8720 (df_hard_reg_used_p): Remove assert.
8721 (df_hard_reg_used_count): Likewise.
8723 2010-01-26 Richard Guenther <rguenther@suse.de>
8725 PR rtl-optimization/42685
8726 * web.c (web_main): Ignore DEBUG_INSNs.
8728 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
8730 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
8732 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
8733 Fix types of fndecl and arglist parameters.
8735 2010-01-26 Richard Guenther <rguenther@suse.de>
8738 * tree-eh.c (unsplit_eh): Skip debug insns.
8740 2010-01-26 Richard Guenther <rguenther@suse.de>
8742 PR tree-optimization/42250
8743 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
8745 2010-01-26 Jakub Jelinek <jakub@redhat.com>
8748 * omp-low.c (expand_omp_sections): Only use single_pred if
8749 l2_bb is single_pred_p.
8751 2010-01-25 Christian Bruel <christian.bruel@st.com>
8754 * config/sh/sh.c (find_barrier): Increase length for non delayed
8755 conditional branches.
8756 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
8758 2010-01-24 David S. Miller <davem@davemloft.net>
8760 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
8761 define if not using GAS.
8762 * config/sparc/sparc.c (sparc_elf_asm_named_section):
8763 Likewise. Delete SECTION_MERGE code, which is only applicable
8766 2010-01-24 Mark Mitchell <mark@codesourcery.com>
8769 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
8770 mangling of va_list in system headers.
8772 2010-01-23 Toon Moene <toon@moene.org>
8774 * tree-predcom.c (combine_chains): Return NULL, not false.
8776 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
8778 * tree-loop-distribution.c (distribute_loop): Fix declaration and
8779 initialization of variable res to agree with return type.
8781 2010-01-22 Steve Ellcey <sje@cup.hp.com>
8783 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
8784 * tree-sra.c: Add include of expr.h.
8786 2010-01-22 Jakub Jelinek <jakub@redhat.com>
8788 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
8789 insert the debug stmt on the single non-EH edge from the stmt.
8791 2010-01-22 Richard Henderson <rth@redhat.com>
8794 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
8795 the RHS until after generate_subtree_copies has insertted its
8796 code before the current statement.
8798 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
8800 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
8802 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
8804 2010-01-21 Martin Jambor <mjambor@suse.cz>
8806 PR tree-optimization/42585
8807 * tree-sra.c (struct access): New field grp_total_scalarization.
8808 (dump_access): Dump the new field.
8809 (should_scalarize_away_bitmap): New variable.
8810 (cannot_scalarize_away_bitmap): Likewise.
8811 (sra_initialize): Allocate new bitmaps.
8812 (sra_deinitialize): Free new bitmaps.
8813 (create_access_1): New function.
8814 (create_access): Parts moved to create_access_1.
8815 (type_consists_of_records_p): New function.
8816 (completely_scalarize_record): Likewise.
8817 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
8818 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
8819 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
8821 (analyze_all_variable_accesses): Completely scalarize small eligible
8824 2010-01-21 Martin Jambor <mjambor@suse.cz>
8826 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
8828 2010-01-21 Andrew Haley <aph@redhat.com>
8830 * gcc.c (process_command): Move lang_specific_driver before
8831 setting cc_libexec_prefix.
8833 2010-01-21 Richard Guenther <rguenther@suse.de>
8836 * fold-const.c (negate_expr_p): Pretend only negative
8837 real constants are easily negatable.
8839 2010-01-20 Janis Johnson <janis187@us.ibm.com>
8840 Jason Merrill <jason@redhat.com>
8842 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
8843 (TYPE_TRANSPARENT_AGGR): this, for union and record.
8844 * calls.c (initialize argument_information): Handle it.
8845 * c-common.c (handle_transparent_union_attribute): Use new name.
8846 * c-decl.c (finish_struct): Ditto.
8847 * c-typeck.c (type_lists_compatible_p): Ditto.
8848 (convert_for_assignment): Use new name and also handle record.
8849 * function.c (aggregate_value_p): Handle it.
8850 (pass_by_reference): Ditto.
8851 (assign_parm_data_types): Ditto.
8852 * print-tree.c (print_node): Ditto.
8853 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
8854 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
8855 * tree.c (first_field): New fn.
8857 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
8860 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
8861 even when linking statically, for now.
8863 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8866 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
8867 without a cselib val.
8868 (count_uses): Accept MO_VAL_SET with no val on stores.
8869 (add_stores): Likewise.
8871 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8873 * var-tracking.c (check_value_val): Add a compile time assertion.
8874 (dv_is_decl_p): Simplify.
8875 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
8876 gcc_assert if ENABLE_CHECKING.
8878 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8881 * var-tracking.c: Include tree-flow.h.
8882 (mem_dies_at_call): New.
8883 (dataflow_set_preserve_mem_locs): Use it.
8884 (dataflow_set_remove_mem_locs): Likewise.
8885 (dump_var): Renamed from dump_variable. Adjust all callers.
8886 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
8887 * Makefile.in (var-tracking.o): Adjust deps.
8889 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
8891 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
8893 2010-01-20 Richard Guenther <rguenther@suse.de>
8895 PR tree-optimization/42717
8896 * tree-ssa-dce.c (get_live_post_dom): Remove.
8897 (forward_edge_to_pdom): Take an arbitrary edge to copy
8898 degenerate PHI args from.
8899 (remove_dead_stmt): Use the first post-dominator even if it
8900 does not contain live statements as redirection destination.
8902 2010-01-20 Richard Guenther <rguenther@suse.de>
8904 * tree-inline.c (estimate_num_insns): Handle EH builtins.
8906 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8908 * sel-sched.c (create_speculation_check): Remove set but not used
8910 (try_transformation_cache): Remove set but not used variable ds.
8911 (calculate_privileged_insns): Remove set but not used variables
8912 cur_insn and min_spec_insn.
8913 (find_best_expr): Remove set but not used variable avail_n.
8914 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
8916 * cgraphunit.c (assemble_thunk): Remove set but not used variable
8918 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
8919 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
8922 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
8925 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
8926 cpu types. Add support for *-sse3 cpu types.
8927 (x86_64-*-*): Ditto.
8929 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8932 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
8933 argument, call initializer_constant_valid_p_1 instead of
8934 initializer_constant_valid_p, pass CACHE to it, return NULL
8935 immediately if first call returns NULL.
8936 (initializer_constant_valid_p_1): New function.
8937 (initializer_constant_valid_p): Use it.
8939 2010-01-20 Thomas Quinot <quinot@adacore.com>
8941 * tree.def (PLACEHOLDER_EXPR): Fix comment.
8943 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8945 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
8946 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
8947 (loc_list_from_tree): Don't handle unsigned division. Handle
8948 signed modulo using DW_OP_{over,over,div,mul,minus}.
8949 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
8950 modulo instead of signed.
8952 2010-01-20 DJ Delorie <dj@redhat.com>
8954 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
8956 (h8300_emit_stack_adjustment): Propogate it.
8958 (h8300_expand_prologue): Likewise.
8959 (h8300_expand_epilogue): Likewise.
8961 2010-01-19 Michael Matz <matz@suse.de>
8963 PR tree-optimization/41783
8964 * tree-data-ref.c (toplevel): Include flags.h.
8965 (dump_data_dependence_relation): Also dump the inputs if the
8966 result will be unknown.
8967 (split_constant_offset_1): Look through some conversions.
8968 * tree-predcom.c (determine_roots_comp): Restart a new chain if
8969 the offset from last element is too large.
8970 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
8971 (reassociate_to_the_same_stmt): Handle vector registers.
8972 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
8974 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
8975 wide_prolog_niters argument, emit widening instructions.
8976 (vect_do_peeling_for_alignment): Adjust caller, use widened
8977 variant of the iteration cound.
8978 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
8980 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
8983 * config/arm/neon-testgen.m (emit_automatics): New parameter
8984 features. Adjust for Fixed_return_reg feature.
8985 (test_intrinsic): Call emit_automatics with new feature.
8986 * config/arm/neon.ml: Update copyright years.
8987 (features): New Fixed_return_reg feature.
8988 (ops): Update feature for Vget_low.
8990 2010-01-19 Jakub Jelinek <jakub@redhat.com>
8992 PR tree-optimization/42719
8993 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
8997 * fwprop.c (all_uses_available_at): Return false if def_set dest
8998 is a REG that is used in def_insn.
9000 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
9002 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
9004 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
9007 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
9009 * target.h (struct gcc_target) <secondary_reload>: Change type
9010 of last argument to secondary_reload_info *.
9012 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
9015 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
9016 memory references with unaligned offsets. Remove CQImode handling.
9017 (unaligned_memory_operand): Return 1 for memory references with
9018 unaligned offsets. Remove CQImode handling.
9020 2010-01-18 Richard Guenther <rguenther@suse.de>
9023 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
9026 2010-01-18 Richard Guenther <rguenther@suse.de>
9028 PR tree-optimization/42781
9029 * tree-ssa-structalias.c (find_what_var_points_to): Skip
9030 restrict processing only if the original variable was artificial.
9032 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
9034 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
9035 find number of popped argument bytes.
9037 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
9038 Fix the text that describes the return value for invalid insns.
9040 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
9042 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
9043 Clarify what 'cost of the -dependence' is. Fix quoting.
9045 * toplev.c (default_get_pch_validity): Rename argument to "sz".
9046 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
9048 2010-01-17 Jakub Jelinek <jakub@redhat.com>
9050 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
9051 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
9053 2010-01-17 Richard Guenther <rguenther@suse.de>
9056 * function.c (split_complex_args): Take a VEC to modify.
9057 (assign_parms_augmented_arg_list): Build a VEC instead of
9058 a chain of PARM_DECLs.
9059 (assign_parms_unsplit_complex): Take a VEC of arguments.
9060 Do not fixup unmodified parms.
9061 (assign_parms): Deal with the VEC.
9062 (gimplify_parameters): Likewise.
9064 2010-01-17 Richard Guenther <rguenther@suse.de>
9066 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
9067 node existence check.
9068 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
9069 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
9070 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
9071 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
9072 (gimple_execute_on_growing_pred): Likewise.
9074 2010-01-17 Richard Guenther <rguenther@suse.de>
9076 PR tree-optimization/42773
9077 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
9078 (compute_antic_aux): Likewise.
9079 (compute_partial_antic_aux): Likewise.
9081 2010-01-17 Jie Zhang <jie.zhang@analog.com>
9084 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
9087 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
9089 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
9092 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
9093 Fix markup for strict argument.
9095 (TARGET_SCHED_REORDER2): Fix argument types.
9097 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
9098 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
9100 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
9101 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
9103 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
9106 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
9107 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
9108 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
9109 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
9110 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
9112 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
9114 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
9116 (TARGET_ASM_RELOC_RW_MASK): Add return type.
9117 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
9119 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
9121 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
9124 (TARGET_ASM_NAMED_SECTION): Fix argument list.
9126 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
9127 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
9129 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
9131 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
9133 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
9134 referring to it. Fix language.
9136 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
9138 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
9140 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
9142 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
9144 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
9145 '@var{stream}. Remove stray 'and'.
9147 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
9149 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
9151 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
9153 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
9154 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
9156 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
9157 Fix description of return value.
9158 Rename argument "sz" to "len."
9160 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
9161 Clarify meaning of 'true' return value.
9163 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
9165 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
9166 rep_mode versus mode_rep.
9168 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
9170 (TARGET_BUILTIN_DECL): Fix name.
9172 (TARGET_COMMUTATIVE_P): Fix type of first argument.
9174 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
9176 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
9178 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
9180 (TARGET_RELAXED_ORDERING): Use @deftypevr.
9182 (TARGET_GET_DRAP_RTX): Note that this is a hook.
9185 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
9186 Rename argument tm_fn to md_fn.
9188 (TARGET_OPTION_PRINT): Fix argument list.
9190 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
9193 * config/i386/i386.c (ix86_fixup_binary_operands):
9194 Revert FMA4 fixup of operands.
9196 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9199 * Makefile.in (write_entries_to_file, install-plugin):
9200 Use \012 instead of \n with tr.
9202 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
9204 * configure.ac (HAVE_AS_REF): New C macro.
9205 * configure: Regenerate.
9206 * config.in: Likewise.
9207 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
9209 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
9212 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
9214 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
9216 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
9218 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
9220 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
9222 (TARGET_IN_SMALL_DATA_P): Fix argument type.
9224 (TARGET_BINDS_LOCAL_P): Fix argument type.
9226 (TARGET_ASM_FILE_END): Use prototype.
9228 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
9230 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
9232 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
9234 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
9236 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
9237 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
9239 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
9240 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
9242 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
9243 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
9244 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
9245 (TARGET_ADDR_SPACE_CONVERT): Likewise.
9247 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
9249 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
9251 (TARGET_INIT_BUILTINS): Use prototype.
9253 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9254 Put 'const char *' in braces. Fix parameter types.
9255 (TARGET_INVALID_CONVERSION): Fix parameter types.
9256 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
9257 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
9259 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
9262 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
9264 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
9266 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
9268 * doc/tm.texi (TARGET_HELP): Fix return type.
9270 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
9271 in braces. Fix argument types.
9273 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
9275 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
9277 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
9279 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
9280 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
9282 (TARGET_MANGLE_TYPE): Fix argument types.
9284 (TARGET_IRA_COVER_CLASSES): Use prototype.
9286 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
9288 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
9290 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
9292 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
9294 (TARGET_CALLEE_COPIES): Fix argument types.
9296 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
9298 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
9300 (TARGET_FUNCTION_VALUE): Fix argument types.
9302 (TARGET_RETURN_IN_MSB): Fix argument type.
9304 (TARGET_RETURN_IN_MEMORY): Fix argument types.
9306 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
9308 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
9310 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
9311 agree with return type.
9313 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
9315 2010-01-15 Jing Yu <jingyu@google.com>
9317 PR rtl-optimization/42691
9318 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
9319 a pseudo to a constant and are merged, and adjust comments.
9321 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
9323 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
9325 2010-01-15 Richard Guenther <rguenther@suse.de>
9328 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
9329 labels of computed or non-local gotos to the destination.
9330 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
9331 landing pad label is the first label.
9333 2010-01-15 Richard Guenther <rguenther@suse.de>
9335 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
9337 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
9340 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
9341 to allow generation of the xssqrtdp instruction on power7.
9342 (sqrtdf2_fpr): Ditto.
9344 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9347 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
9348 functions with noreturn attribute.
9351 * varasm.c (declare_weak): Add weak attribute to decl if it
9352 doesn't have one already.
9353 (assemble_external): Only add decls to weak_decls if they also
9354 have weak attribute.
9356 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
9358 * var-tracking.c (var_reg_delete): Don't delete the association
9359 between REGs and values or one-part variables if the register
9362 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9365 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
9366 because its first operand is a non-localized variable.
9368 2010-01-14 Martin Jambor <mjambor@suse.cz>
9370 PR tree-optimization/42706
9371 * tree-sra.c (encountered_recursive_call): New variable.
9372 (encountered_unchangable_recursive_call): Likewise.
9373 (sra_initialize): Initialize both new variables.
9374 (callsite_has_enough_arguments_p): New function.
9375 (scan_function): Call decl and flags check only for IPA-SRA, check
9376 whether there is a recursive call and whether it has enough arguments.
9377 (all_callers_have_enough_arguments_p): New function.
9378 (convert_callers): Look for recursive calls only when
9379 encountered_recursive_call is set.
9380 (ipa_early_sra): Bail out either if
9381 !all_callers_have_enough_arguments_p or
9382 encountered_unchangable_recursive_call.
9384 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9386 * sel-sched.c: Add 2010 to copyright years.
9387 * sel-sched-ir.c: Likewise.
9388 * sel-sched-ir.h: Likewise.
9390 2010-01-14 Martin Jambor <mjambor@suse.cz>
9392 PR tree-optimization/42714
9393 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
9394 constructors specially.
9396 2010-01-14 Andi Kleen <ak@linux.intel.com>
9398 * config/i386/drivers-i386.c (detect_caches_intel):
9399 Add l2sizekb parameter and fill in.
9400 (host_detect_local_cpu): Add l2sizekb, fill in.
9401 Add Atom small cache heuristic.
9403 2010-01-14 Andi Kleen <ak@linux.intel.com>
9405 * config/i386/drivers-i386.c (detect_caches_cpuid4):
9406 Add level3 parameter and fill in.
9407 (detect_caches_intel): Handle level3 cache.
9409 2010-01-14 Andi Kleen <ak@linux.intel.com>
9411 * config/i386/drivers-i386.c (host_detect_local_cpu):
9412 Fix core duo detection.
9414 2010-01-14 Andi Kleen <ak@linux.intel.com>
9416 * config/i386/drivers-i386.c (host_detect_local_cpu):
9419 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9421 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
9422 (rs6000_variable_issue_1): this. Use...
9423 (rs6000_variable_issue): here. Reimplement. Print debug info.
9425 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9427 * sel-sched-ir.c (sel_restore_other_notes): Rename to
9428 sel_restore_notes. Update all callers. Call reemit_notes
9431 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9433 PR rtl-optimization/42246
9434 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
9437 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9439 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
9440 all successors is the same as number of successors in current region.
9442 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9444 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
9445 to rename is not separable. Otherwise check that its LHS is not NULL.
9447 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9449 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
9451 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9453 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
9454 available registers when failed to discover LHS register class.
9455 Fix indentation. Update comment.
9457 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9458 Alexander Monakov <amonakov@ispras.ru>
9460 PR rtl-optimization/42389
9461 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
9463 (advance_state_on_fence): Likewise.
9464 (sel_target_adjust_priority): Print debug output only when
9465 sched_verbose >= 4, not 2.
9466 (get_expr_cost): Do not issue all unique insns on the next cycle.
9467 (fill_insns): Initialize can_issue_more from the value saved
9469 * sel-sched-ir.c (flist_add): New parameter issue_more.
9470 Init FENCE_ISSUE_MORE with it.
9471 (merge_fences): Likewise.
9472 (init_fences): Update call to flist_add.
9473 (add_to_fences, add_clean_fence_to_fences)
9474 (add_dirty_fence_to_fences): Likewise.
9475 (move_fence_to_fences): Update call to merge_fences.
9476 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
9478 * sel-sched-ir.h (struct _fence): New field issue_more.
9479 (FENCE_ISSUE_MORE): New accessor macro.
9481 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9483 PR rtl-optimization/42388
9484 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
9485 that have no predecessors nor successors. Do not call move_bb_info
9486 for empty blocks outside of current region.
9488 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9490 PR rtl-optimization/42294
9491 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
9492 * sel-sched.c (move_exprs_to_boundary): Transitively add all
9493 originators' originators.
9495 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9497 PR rtl-optimization/39453
9498 PR rtl-optimization/42246
9499 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
9501 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
9503 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9504 Alexander Monakov <amonakov@ispras.ru>
9507 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
9508 (maybe_tidy_empty_bb): ... here. Make static. Add new
9509 argument. Update all callers.
9510 (tidy_control_flow): ... and here. Recompute topological order
9511 of basic blocks in region if necessary.
9512 (sel_redirect_edge_and_branch): Change return type. Return true
9513 if topological order might have been invalidated.
9514 (purge_empty_blocks): Export and move from...
9515 * sel-sched.c (purge_empty_blocks): ... here.
9516 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
9517 (maybe_tidy_empty_bb): Delete prototype.
9518 (purge_empty_blocks): Declare.
9520 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9522 PR rtl-optimization/42249
9523 * sel-sched.c (try_replace_dest_reg): When chosen register
9524 and original register is the same, do not bail out early, but
9525 still check all original insns for validity of replacing destination
9526 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
9529 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9532 Port from no-undefined-overflow branch:
9533 2009-03-09 Richard Guenther <rguenther@suse.de>
9535 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
9537 2010-01-14 Richard Guenther <rguenther@suse.de>
9540 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
9542 2010-01-14 Ira Rosen <irar@il.ibm.com>
9544 PR tree-optimization/42709
9545 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
9546 as scalar type in creation of constant vector operand.
9548 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9551 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
9552 (check-parallel-%): Match `testsuite' directory component only
9555 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
9557 PR translation/39521
9558 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
9561 2010-01-13 Richard Guenther <rguenther@suse.de>
9563 PR tree-optimization/42730
9564 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
9567 2010-01-13 Steve Ellcey <sje@cup.hp.com>
9570 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
9571 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
9574 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
9576 * config/bfin/libgcc-bfin.ver: Regenerate based on current
9577 libgcc-std.ver. Add entries for ___smulsi3_highpart and
9578 ___umulsi3_highpart.
9580 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
9581 rather than schedule_insns if the pass is enabled.
9583 2010-01-13 Martin Jambor <mjambor@suse.cz>
9585 PR tree-optimization/42704
9586 * tree-sra.c (sra_modify_assign): Do not delete assignments to
9589 2010-01-13 Martin Jambor <mjambor@suse.cz>
9591 PR tree-optimization/42703
9592 * tree-sra.c (analyze_access_subtree): Check that we can build a
9593 reference to the original data within the aggregate.
9595 2010-01-13 Richard Guenther <rguenther@suse.de>
9597 PR tree-optimization/42705
9598 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
9600 2010-01-13 Richard Guenther <rguenther@suse.de>
9603 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
9605 2010-01-13 Jakub Jelinek <jakub@redhat.com>
9608 * var-tracking.c (values_to_unmark): New variable.
9609 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
9610 values_to_unmark vector. Moved body to...
9611 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
9612 instead queue it into values_to_unmark vector.
9613 (vt_find_locations): Free values_to_unmark vector.
9615 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
9617 * config/s390/s390.c (override_options): Set
9618 default of max-pending-list-length to 256
9620 2010-01-13 Richard Guenther <rguenther@suse.de>
9623 * tree-pass.h (PROP_gimple_lcx): New.
9624 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
9625 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
9626 before the final cleanup_eh.
9627 (dump_properties): Dump PROP_gimple_lcx.
9628 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
9629 (tree_lower_complex_O0): Remove.
9630 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
9631 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
9632 tree_lower_complex, schedule TODO_update_ssa.
9633 * lto-streamer-out.c (output_function): Stream the functions
9635 * lto-streamer-in.c (input_function): Likewise.
9636 (lto_read_body): Do not override them here.
9638 2010-01-12 Joseph Myers <joseph@codesourcery.com>
9641 * c-typeck.c (build_c_cast): Fold value cast to union type before
9642 wrapping it in a CONSTRUCTOR.
9644 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9646 PR rtl-optimization/42699
9647 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
9650 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9652 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9653 SUBTARGET_WARN_UNUSED_SPEC): Move ...
9654 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9655 SUBTARGET_WARN_UNUSED_SPEC): ... here
9656 * config/mips/iris5.h (LIBGCC_SPEC): Define.
9658 2010-01-12 Julian Brown <julian@codesourcery.com>
9660 * config/arm/neon-schedgen.ml (Utils): Don't try to
9661 open missing module.
9662 (find_with_result): New.
9664 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9667 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
9668 sharing when canonicalizing ({lt,ge}u (plus a b) b).
9670 PR tree-optimization/42645
9671 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
9672 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
9673 decl_map, set processing_debug_stmt to -1 and return name without
9676 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
9678 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
9679 binutils version, and reword target configuration description.
9681 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9683 * config/avr/avr.h (LINKER_NAME): Remove.
9685 2010-01-11 Janis Johnson <janis187@us.ibm.com>
9688 * config/rs6000/rs6000.c (rs6000_override_options): On targets
9689 that support VSX, warn for -mno-altivec if vsx is not disabled,
9692 2010-01-11 Joseph Myers <joseph@codesourcery.com>
9693 Shujing Zhao <pearly.zhao@oracle.com>
9695 PR translation/42469
9696 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
9697 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
9698 character between option name and help text.
9699 * c.opt (imultilib): Likewise.
9701 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
9703 * lto-streamer-out.c (output_unreferenced_globals): Output static
9706 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
9708 PR rtl-optimization/42621
9709 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
9710 optimizing for size.
9711 (duplicate_computed_gotos): Remove now-redundant check.
9713 2010-01-10 Steve Ellcey <sje@cup.hp.com>
9716 * configure.ac: Save and restore LDFLAGS and LIBS
9717 * configure: Regenerate.
9719 2010-01-10 Richard Guenther <rguenther@suse.de>
9722 * builtins.c (fold_builtin_strlen): Add type argument and
9723 convert the resulting length to it.
9724 (fold_builtin_1): Adjust.
9726 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9728 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
9729 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
9731 (num_insns_constant_wide): Adjust for that change.
9733 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9736 * web.c (union_defs): Add used argument, to combine uses of
9738 (entry_register): Adjust type and tests of used argument.
9739 (web_main): Widen used for new use. Pass it to union_defs.
9740 * df.h (union_defs): Adjust prototype.
9742 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9745 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
9746 uses in new incoming argument. Free body.
9747 (reset_debug_uses_in_loop): New.
9748 (analyze_insn_to_expand_var): Call the latter if the former found
9749 anything. Fix whitespace. Reject invalid dest overlaps before
9750 going through all insns in the loop.
9752 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9755 * haifa-sched.c (dying_use_p): Debug insns don't count.
9757 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9760 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
9761 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
9762 (verify_gimple_call): Reject LHS in noreturn calls.
9764 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9768 * tree-vect-loop-manip.c (adjust_info): New type.
9769 (adjust_vec): New pointer to vector.
9770 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
9771 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
9772 (slpeel_update_phis_for_duplicate_loop): Use them.
9773 (slpeel_update_phi_nodes_for_guard1): Likewise.
9774 (slpeel_update_phi_nodes_for_guard2): Likewise.
9775 (slpeel_tree_peel_loop_to_edge): Likewise.
9776 (vect_update_ivs_after_vectorizer): Likewise.
9778 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9780 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
9781 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
9783 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9785 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
9786 bogus uninitialized warning.
9788 2010-01-09 Richard Guenther <rguenther@suse.de>
9791 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
9792 the evolution is compatible with the initial condition.
9794 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9796 * gcc.c (process_command): Update copyright notice dates.
9797 * gcov.c (print_version): Likewise.
9798 * gcov-dump.c (print_version): Likewise.
9799 * mips-tfile.c (main): Likewise.
9800 * mips-tdump.c (main): Likewise.
9802 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9805 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
9807 (rotlhi3_8): Delete.
9809 (rotlsi3_8): Delete.
9810 (rotlsi3_16): Delete.
9811 (rotlsi3_24): Delete.
9813 (*rotw<mode>3): New.
9814 (*rotb<mode>3): New.
9815 * config/avr/avr.c (avr_rotate_bytes): New function.
9816 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
9818 2010-01-08 Steve Ellcey <sje@cup.hp.com>
9821 * configure.ac: Modify -rdynamic check.
9822 * configure: Regenerate.
9824 2010-01-08 DJ Delorie <dj@redhat.com>
9826 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
9827 register popping order.
9829 2010-01-08 Richard Guenther <rguenther@suse.de>
9832 * c.opt (fsigned-char): Also let LTO handle this option.
9833 (funsigned-char): Likewise.
9835 2010-01-07 Richard Guenther <rguenther@suse.de>
9837 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
9838 (gimple_op): Likewise.
9839 (gimple_op_ptr): Likewise.
9840 (gimple_assign_set_lhs): Remove gcc_assert.
9841 (gimple_assign_set_rhs1): Likewise.
9842 (gimple_assign_set_rhs2): Likewise.
9843 (gimple_call_set_lhs): Likewise.
9844 (gimple_call_set_fn): Likewise.
9845 (gimple_call_set_fndecl): Likewise.
9846 (gimple_call_fndecl): Likewise.
9847 (gimple_call_return_type): Likewise.
9848 (gimple_call_set_chain): Likewise.
9849 (gimple_call_num_args): Likewise.
9850 (gimple_call_set_arg): Likewise.
9851 (gimple_cond_set_code): Likewise.
9852 (gimple_cond_set_lhs): Likewise.
9853 (gimple_cond_set_rhs): Likewise.
9854 (gimple_cond_set_true_label): Likewise.
9855 (gimple_cond_set_false_label): Likewise.
9856 (gimple_label_set_label): Likewise.
9857 (gimple_goto_set_dest): Likewise.
9858 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
9859 (gimple_debug_bind_get_value): Likewise.
9860 (gimple_debug_bind_get_value_ptr): Likewise.
9861 (gimple_debug_bind_set_var): Likewise.
9862 (gimple_debug_bind_set_value): Likewise.
9863 (gimple_debug_bind_reset_value): Likewise.
9864 (gimple_debug_bind_has_value_p): Likewise.
9865 (gimple_return_retval_ptr): Remove gcc_assert.
9866 (gimple_return_retval): Likewise.
9867 (gimple_return_set_retval): Likewise.
9868 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
9869 (safe_referenced_var_iterator): Remove.
9870 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
9871 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
9872 (fill_referenced_var_vec): Remove.
9873 (first_readonly_imm_use): Remove redundant gcc_assert.
9874 (phi_arg_index_from_use): Combine gcc_asserts.
9875 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
9876 (first_imm_use_stmt): Remove redundant gcc_assert.
9877 * tree-cfg.c (verify_gimple_call): Verify function and chain
9878 operands. Verify arguments.
9879 (verify_types_in_gimple_stmt): Verify condition code and labels.
9881 2010-01-07 Richard Guenther <rguenther@suse.de>
9883 PR tree-optimization/42641
9884 * sese.c (rename_map_elt_info): Use the SSA name version, do
9887 2010-01-07 Jakub Jelinek <jakub@redhat.com>
9889 PR tree-optimization/42625
9890 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
9891 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
9893 2010-01-07 Duncan Sands <baldrick@free.fr>
9895 * Makefile.in (PLUGIN_HEADERS): Add version.h.
9897 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
9900 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
9901 note itself is not function_invariant_p.
9903 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
9905 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
9906 Do not add the DF_NOTE problem.
9907 * store-motion.c (execute_rtl_store_motion): Likewise.
9909 2010-01-07 Martin Jambor <mjambor@suse.cz>
9911 PR tree-optimization/42157
9912 * tree-sra.c (compare_access_positions): Stabilize sort if both
9913 accesses have integer types, return zero immediately if they are the
9916 2010-01-06 Richard Henderson <rth@redhat.com>
9919 * haifa-sched.c (add_to_note_list): Merge into ...
9920 (concat_note_lists): ... here, and ...
9921 (unlink_other_notes, rm_other_notes): Merge into...
9922 (remove_notes): ... here. Create REG_SAVE_NOTEs for
9923 NOTE_INSN_EPILOGUE_BEG.
9925 2010-01-06 Richard Guenther <rguenther@suse.de>
9927 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
9928 not inline regular functions into always-inline functions.
9930 2010-01-06 Nick Clifton <nickc@redhat.com>
9932 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
9933 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
9935 (OVERRIDE_OPTIONS): Delete.
9936 (OPTIMIZATION_OPTIONS): Define.
9937 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
9938 * config/rx/rx.c (rx_handle_option): Issue an error message if
9939 -mcpu=rx200 and -fpu are used together.
9940 (rx_set_optimization_options): New function. Issue an error
9941 message if an optimization attribute attempts to reset the FPU/
9942 math optimization pairing.
9943 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
9944 * config/rx/rx.opt: Set the default to 32-bit doubles.
9945 * config/rx/t-rx: Add multilibs for -nofpu option.
9946 * doc/invoke.texi: Update documentation of RX options.
9948 2010-01-06 Richard Guenther <rguenther@suse.de>
9950 * tree-ssa-pre.c (name_to_id): New global.
9951 (alloc_expression_id): Simplify SSA name handling.
9952 (lookup_expression_id): Likewise.
9953 (init_pre): Zero name_to_id.
9954 (fini_pre): Free it.
9956 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
9958 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
9960 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
9963 * config/i386/sse.md (smaxv2di3): New.
9964 (umaxv2di3): Likewise.
9965 (sminv2di3): Likewise.
9966 (uminv2di3): Likewise.
9968 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
9971 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
9972 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
9973 (legitimize_tls_address): Likewise.
9974 (sparc_tls_referenced_p): Likewise.
9975 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
9976 and adjust calls to legitimize_pic_address.
9977 (legitimate_constant_p) Use sparc_tls_referenced_p.
9978 (legitimate_pic_operand_p): Likewise.
9979 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
9980 (sparc_tls_symbol_ref_1): Delete.
9981 (sparc_tls_referenced_p): Make static, recognize specific patterns.
9982 (legitimize_tls_address): Make static, handle CONST patterns.
9983 (legitimize_pic_address): Make static, remove unused parameter and
9984 adjust recursive calls.
9985 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
9986 and adjust call to legitimize_pic_address.
9987 (sparc_output_mi_thunk): Likewise.
9989 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
9990 H.J. Lu <hongjiu.lu@intel.com>
9993 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
9994 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
9995 operands to make them signed.
9998 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
10001 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
10002 GTU to GT for V4SI and V2DI.
10004 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
10005 (umin<mode>3): Removed.
10007 (uminv4si3): Likewise.
10009 2010-01-05 Martin Jambor <mjambor@suse.cz>
10011 PR tree-optimization/42462
10012 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
10013 current_function_decl to helper functions and macros.
10015 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10018 * flags.h: Don't include real.h.
10019 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
10020 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
10021 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
10022 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
10023 * dominance.c: Update copyright.
10024 * gimple.c (walk_gimple_op): Remove inline.
10025 * tree-ssa-reassoc.c: Include real.h.
10026 * Makefile.in (FLAGS_H): Remove $(REAL_H).
10027 (tree-ssa-reassoc.o): Depend on $(REAL_H).
10029 2010-01-05 Nick Clifton <nickc@redhat.com>
10031 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
10032 register to push into the stack frame when the accumulator has to
10033 be saved during interrupts.
10035 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
10037 * doc/invoke.texi: Remove the documentation about option
10038 -Wunreachable-code.
10039 * common.opt (Wunreachable-code): Preserved for backward
10041 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
10042 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
10043 the backward compatibility flag section.
10045 2010-01-05 Richard Guenther <rguenther@suse.de>
10047 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
10049 2010-01-05 Jakub Jelinek <jakub@redhat.com>
10052 * cfgexpand.c (expand_one_var): Diagnose too large variables.
10054 PR tree-optimization/42508
10055 * tree-sra.c (convert_callers): Check for recursive call
10056 by comparing cgraph nodes instead of decls.
10057 (modify_function): Call ipa_modify_formal_parameters also
10058 on all same_body aliases.
10060 * cgraphunit.c (cgraph_materialize_all_clones): Compare
10061 cgraph nodes when checking for same_body aliases.
10063 2010-01-05 Richard Guenther <rguenther@suse.de>
10065 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
10066 allocation and lookup.
10067 (get_or_alloc_expr_for_constant): Likewise.
10068 (phi_translate): Sink allocation.
10070 2010-01-04 Richard Guenther <rguenther@suse.de>
10072 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
10073 a new entry only if needed.
10074 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
10075 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
10077 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
10079 (phi_translate): Handle CONSTANTs early.
10081 2010-01-04 Martin Jambor <mjambor@suse.cz>
10083 PR tree-optimization/42398
10084 * tree-sra.c (struct access): Removed flag grp_different_types.
10085 (dump_access): Do not dump the removed flag.
10086 (sort_and_splice_var_accesses): Do not set the removed flag.
10087 (sra_modify_expr): Check for type compatibility directly.
10089 2010-01-04 Martin Jambor <mjambor@suse.cz>
10091 PR tree-optimization/42366
10092 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
10093 edges with variable number of parameters.
10094 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
10095 flag instead of asserting it.
10096 (ipa_read_node_info): Read uses_analysis_done flag.
10098 2010-01-04 Richard Guenther <rguenther@suse.de>
10100 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
10101 iterative_hash_* as intended.
10102 (vn_reference_compute_hash): Likewise. Simplify hashing
10104 (vn_reference_lookup_2): Likewise.
10105 (vn_nary_op_compute_hash): Likewise.
10106 (vn_phi_compute_hash): Likewise.
10107 (expressions_equal_p): Remove strange code.
10108 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
10109 (pre_expr_hash): Likewise. Simplify hashing SSA names.
10110 (bitmap_insert_into_set_1): Take value-id as parameter.
10111 (add_to_value): Pass it.
10112 (bitmap_insert_into_set): Likewise.
10113 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
10115 2010-01-04 Jakub Jelinek <jakub@redhat.com>
10118 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
10119 (do_self_spec): For switches with SWITCH_IGNORE set set also
10120 SWITCH_IGNORE_PERMANENTLY.
10121 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
10124 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
10126 * lto-streamer-out.c (output_unreferenced_globals): Output the full
10127 tree of an unreferenced global var.
10129 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
10132 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
10133 GTU to GT for V4SI and V2DI.
10135 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
10136 (umin<mode>3): Removed.
10138 (uminv4si3): Likewise.
10140 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
10143 * collect2.c (main): Turn on trace in collect2 if -v is passed
10146 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
10148 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
10149 description of expression operand.
10151 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
10153 * configure.ac: Add install-html to target_list for Make-hooks.
10154 * configure: Regenerate.
10155 * fortran/Make-lang.in (F95_HTMLFILES): New.
10156 (fortran.html): Use it.
10157 (fortran.install-html): New.
10158 * Makefile.in (install-html): Add lang.install-html.
10159 * java/Make-lang.in (JAVA_HTMLFILES): New.
10160 (java.html): Use it.
10161 (java.install-html): New.
10162 * objc/Make-lang.in (objc.install-html): New.
10163 * objcp/Make-lang.in (obj-c++.install-html): New.
10164 * cp/Make-lang.in (c++.install-html): New.
10165 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
10166 * lto/Make-lang.in (lto.install-html): New.
10168 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
10171 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
10173 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
10175 PR rtl-optimization/41862
10176 * store-motion.c (store_killed_in_insn, compute_store_table,
10177 remove_reachable_equiv_notes, replace_store_insn,
10178 build_store_vectors): Ignore all DEBUG_INSNs.
10180 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
10183 * common.opt: Add dumpdir.
10185 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
10187 (option_map): Add --dumpdir.
10189 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
10191 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
10193 * opts.c (decode_options): Try dump_dir_name first if
10194 dump_base_name isn't an absolute path.
10195 (common_handle_option): Handle OPT_dumpdir.
10197 * toplev.c (dump_dir_name): New.
10198 (print_switch_values): Also ignore -dumpdir.
10200 * toplev.h (dump_dir_name): New.
10202 2010-01-03 Richard Guenther <rguenther@suse.de>
10204 PR tree-optimization/42589
10205 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
10206 double-word expansion of bswap32.
10208 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
10210 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
10211 with BLOCK_FOR_INSN.
10212 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
10213 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
10214 noce_process_if_block): Likewise.
10215 * gcse.c (compute_local_properties, insert_expr_in_table,
10216 insert_set_in_table, canon_list_insert, find_avail_set,
10217 pre_insert_copy_insn): Likewise.
10219 * basic-block.h (BLOCK_NUM): Move from here...
10220 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
10222 2010-01-03 Richard Guenther <rguenther@suse.de>
10224 PR tree-optimization/42438
10225 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
10226 contains_may_not_return_call flag.
10227 (BB_MAY_NOTRETURN): New.
10228 (valid_in_sets): Trapping nary operations are not valid
10229 in blocks that may not return.
10230 (insert_into_preds_of_block): Remove check for trapping expressions.
10231 (compute_avail): Compute also BB_MAY_NOTRETURN.
10233 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
10235 * doc/invoke.texi: Add 2010 to copyright years.
10237 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
10239 * config/sparc/sparc.c: Fix formatting nits.
10241 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
10242 Alexander Monakov <amonakov@ispras.ru>
10244 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
10246 2010-01-02 Richard Guenther <rguenther@suse.de>
10248 PR middle-end/42577
10249 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
10250 (simplify_switch_using_ranges): Mark to be removed edges
10253 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10255 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
10257 * collect2.c (scan_libraries): Add missing argument in call to
10260 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
10263 * config/alpha/predicates.md (aligned_memory_operand): Return false
10265 (unaligned_memory_operand): Return true for CQImode.
10266 * config/alpha/alpha.c (get_aligned_mem): Assert that location
10267 doesn not cross aligned SImode word boundary.
10269 2010-01-02 Anatoly Sokolov <aesok@post.ru>
10271 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
10273 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
10274 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
10276 2010-01-02 Richard Guenther <rguenther@suse.de>
10279 * toplev.c (compile_file): Emit LTO marker properly. Change
10280 it to __gnu_lto_v1.
10281 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
10283 2010-01-01 Richard Guenther <rguenther@suse.de>
10286 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
10288 2010-01-01 Richard Guenther <rguenther@suse.de>
10291 * c-decl.c (grokdeclarator): For zero-size arrays force
10292 structural equality checks as layout_type does.
10294 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
10296 * builtins.c: Update copyright to 2010.
10298 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
10301 * lto-streamer-out.c (produce_asm): Revert the last change.
10302 (copy_function): Likewise.
10304 * lto-streamer.c (lto_get_section_name): Skip any leading
10307 2010-01-01 Richard Guenther <rguenther@suse.de>
10309 PR middle-end/42559
10310 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
10314 Copyright (C) 2010 Free Software Foundation, Inc.
10316 Copying and distribution of this file, with or without modification,
10317 are permitted in any medium without royalty provided the copyright
10318 notice and this notice are preserved.