1 2010-05-21 Steven Bosscher <steven@gcc.gnu.org>
3 * tree.h: Include real.h and fixed-value.h as basic datatypes.
4 * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
5 tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
6 tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
7 tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
8 genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
9 tree-pretty-print.c, tree-loop-distribution.c,
10 tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
11 tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
12 tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
13 tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
14 tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
15 tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
16 tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
17 tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
18 tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
19 tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
20 genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
21 tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
22 gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
23 tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
24 tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
25 store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
26 tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
27 tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
28 tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
29 tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
30 fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
31 tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
32 config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
33 config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
34 config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
35 config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
36 config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
37 config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
38 config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
39 config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
40 config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
41 config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
42 config/score/score7.c, config/score/score.c, config/arm/arm.c,
43 config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
44 config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
46 Clean up redundant includes.
47 * Makefile.in: Update accordingly.
49 2010-05-21 Nathan Froyd <froydnj@codesourcery.com>
52 * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
53 statement has no arguments.
55 2010-05-21 Kai Tietz <kai.tietz@onevision.com>
58 * varasm.c (emutls_decl): Merge attributes to new decl.
60 2010-05-21 Eric Botcazou <ebotcazou@adacore.com>
63 * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
64 around the uniquized constructor if its type requires a conversion.
66 2010-05-21 Jakub Jelinek <jakub@redhat.com>
69 * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
70 at -O0 goto_locus of any of the incoming edges differs from
71 goto_locus of outgoing edge, or gimple_location of any of the
74 2009-09-14 Vladimir Makarov <vmakarov@redhat.com>
76 * ira.c (ira_non_ordered_class_hard_regs): Define.
77 (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
78 * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
79 * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
80 cost of unaligned hard regs when allocating multi-reg pseudos.
82 2010-05-20 Richard Sandiford <rdsandiford@googlemail.com>
84 * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
85 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
87 * config/mips/mips.c (mips_file_start): Expand conditional expression
88 into "if" statements. Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
89 (mips_override_options): Move -mno-float override -msoft-float and
91 * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
92 Condition(TARGET_SUPPORTS_NO_FLOAT).
93 * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
95 (SUBTARGET_OVERRIDE_OPTIONS): Delete.
96 (TARGET_SUPPORTS_NO_FLOAT): Define.
97 * config/mips/sdemtk.opt: Delete.
99 2010-05-20 Segher Boessenkool <segher@kernel.crashing.org>
101 * ipa-prop.c (compute_complex_ancestor_jump_func): Bail
104 2010-05-20 Uros Bizjak <ubizjak@gmail.com>
107 * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
108 * configure: Regenerate.
109 * config.in: Regenerate.
110 * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
111 instead of sahf only for 64bit targets.
113 2010-05-20 Jakub Jelinek <jakub@redhat.com>
116 * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
117 setup_ref_regs for DEBUG_INSNs.
119 2010-05-20 Jan Hubicka <jh@suse.cz>
122 * varpool.c (varpool_remove_node): Handle in-varpool aliases.
124 2010-05-20 Kenneth Zadeck <zadeck@naturalbridge.com>
127 * df-scan.c (df_ref_compare): Stabilize sort.
129 2010-05-20 Jakub Jelinek <jakub@redhat.com>
131 * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
132 argument. Don't use DW_OP_piece if offset is non-zero,
133 put offset into second DW_OP_bit_piece argument.
134 (dw_sra_loc_expr): Adjust callers. For memory expressions
137 2010-05-20 Hans-Peter Nilsson <hp@axis.com>
140 * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
141 settings for 16-bit-constant "addo" alternative.
143 2010-05-19 James E. Wilson <wilson@codesourcery.com>
145 * config/mips/mips-dsp.md (add<DSPV:mode>3,
146 mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
149 * mips.c (mips_call_expr_from_insn): New arg second_call. Set it.
150 (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
153 2010-05-19 Joseph Myers <joseph@codesourcery.com>
155 * diagnostic.c (FLOAT, FFS): Don't undefine.
156 * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
157 * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
160 2010-05-19 Richard Sandiford <rdsandiford@googlemail.com>
162 * combine.c (propagate_for_debug): Call make_compound_operation
164 (try_combine): When implementing a split chosen by find_split_point,
165 either copy i2src or set it to null. Assert that i2src is not null
166 before substituting into CALL_INSN_FUNCTION_USAGE.
168 2010-05-19 Anatoly Sokolov <aesok@post.ru>
170 * double-int.h (double_int_ior): New function.
171 * tree.h (build_int_cst_wide_type): Remove.
172 * tree.c (build_int_cst_wide_type): Remove.
173 * fold-const.c (native_interpret_int): Use double_int_to_tree instead
174 of build_int_cst_wide_type.
175 * stor-layout.c (set_sizetype): (Ditto.).
176 * dojump.c (do_jump): Use build_int_cstu instead of
177 build_int_cst_wide_type.
179 2010-05-19 Eric Botcazou <ebotcazou@adacore.com>
181 * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
182 * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
183 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
184 * gimplify.c: (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
185 TARGET_EXPR nodes, but only once, if instructed to do so. Do not
186 propagate the 'data' argument to copy_tree_r.
187 (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
188 Propagate 'data' argument to walk_tree.
189 (copy_if_shared): New function.
190 (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
191 (unmark_visited): New function.
192 (unshare_body): Call copy_if_shared instead of doing it manually.
193 (unvisit_body): Call unmark_visited instead of doing it manually.
195 2010-05-19 Nathan Froyd <froydnj@codesourcery.com>
197 * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
198 (hook_tree_tree_int_treep_bool_null): ...this. Update signature.
200 * target-def.h (TARGET_FOLD_BUILTIN): Define to
201 hook_tree_tree_int_treep_bool_null.
202 * target.h: (struct gcc_target): Update signature of fold_builtin
204 * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
205 * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
206 instead of the call expression.
207 (fold_builtin_call_array): Pass n and argarray directly.
208 (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
210 * config/alpha/alpha.c (alpha_fold_builtin): Update signature. Lift
211 MAX_ARGS check out of the loop. Delete declaration of `arity', declare
212 `i' and use it in place of `arity'.
213 * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
214 Dereference `args' directly.
215 * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
217 2010-05-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
219 * doc/sourcebuild.texi (Effective-Target Keywords): Document
221 (Directives): Document optional dg-require-effective-target
224 2010-05-19 Richard Guenther <rguenther@suse.de>
227 * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
229 2010-05-19 Richard Guenther <rguenther@suse.de>
231 * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
232 * common.opt (fwhopr=): New.
233 * opts.c (common_handle_option): Handle OPT_fwhopr.
234 * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
235 * collect2.c (main): Match -fwhopr*.
236 * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
237 Execute ltrans stage in parallel when jobs is bigger than 1.
239 2010-05-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
241 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
242 pentiumpro on Solaris 8/x86 with Sun as.
243 * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
245 (gcc_cv_as_ix86_quad): Check for .quad directive.
246 * configure: Regenerate.
247 * config.in: Regenerate.
248 * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
250 2010-05-19 Martin Jambor <mjambor@suse.cz>
252 * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
253 also for indirect edges. Actual printing moved...
254 (ipa_print_node_jump_functions_for_edge): ...here.
255 (ipa_compute_jump_functions): Renamed to
256 ipa_compute_jump_functions_for_edge and made static.
257 (ipa_compute_jump_functions): New function.
258 (make_edge_direct_to_target): Check if the number of arguments on
259 the newly direct edge is the same as the number of parametrs of
261 * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
262 ipa_compute_jump_functions. Call ipa_analyze_params_uses.
263 * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
264 analysis functions unconditionally, call the new
265 ipa_analyze_params_uses on the node instead of every edge.
267 2010-05-19 Christian Borntraeger <borntraeger@de.ibm.com>
269 * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
271 (dump_mem_ref): Adopt debug code to handle a tree as step. This
272 also checks for a constant int vs. non-constant but
273 loop-invariant steps.
274 (find_or_create_group): Change the sort algorithm to only consider
275 steps that are constant ints.
276 (idx_analyze_ref): Adopt code to handle a tree instead of a
277 HOST_WIDE_INT for step.
278 (gather_memory_references_ref): Handle tree instead of int and be
279 prepared to see a NULL_TREE.
280 (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
281 prefetches if the step cannot be calculated at compile time.
282 (issue_prefetch_ref): Issue prefetches for non-constant but
283 loop-invariant steps.
285 2010-05-18 Nathan Froyd <froydnj@codesourcery.com>
288 2010-05-18 Nathan Froyd <froydnj@codesourcery.com>
290 * tree.h (build_call_list): Remove.
291 * tree.c (build_call_list): Remove.
293 2010-05-18 Nathan Froyd <froydnj@codesourcery.com>
295 * tree.h (build_call_list): Remove.
296 * tree.c (build_call_list): Remove.
298 2010-05-18 Jan Hubicka <jh@suse.cz>
300 * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
302 2010-05-18 Vladimir Makarov <vmakarov@redhat.com>
304 PR rtl-optimization/43332
305 * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
307 2010-05-18 Anatoly Sokolov <aesok@post.ru>
309 * tree.h (build_int_cstu): Implement as static inline.
310 * tree.c (build_int_cstu): Remove function.
311 (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
314 2010-05-18 Richard Guenther <rguenther@suse.de>
317 * lto-wrapper.c (verbose): New variable. Initialize from -v.
318 (debug): Initialize from -save-temps.
319 (collect_execute): Print command-line when verbose.
320 (run_gcc): Always use COLLECT_GCC_OPTIONS. Use fork_execute
321 for ltrans invocation. Produce -dumpbase flag again.
322 (process_args): Remove.
324 * collect2.c (maybe_run_lto_and_relink): Only pass object
325 files to lto-wrapper.
326 * gcc.c (LINK_COMMAND_SPEC): Likewise.
328 2010-05-18 Jan Hubicka <jh@suse.cz>
330 * opts.c (decode_options): Do not disable whopr at ipa_cp.
331 * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
333 2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
336 * lto-streamer-out.c (output_gimple_stmt): Output number of labels
338 * lto-streamer-in.c (input_gimple_stmt): Read number of labels
341 2010-05-18 Jakub Jelinek <jakub@redhat.com>
344 * var-tracking.c (find_loc_in_1pdv): Add a few checks from
347 2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
349 * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
350 lto-macho as lto_binary_reader.
352 * darwin.c (darwin_asm_named_section): Do not add assembler comment
353 after .section directive; just print it before the directive instead.
355 2010-05-17 Jan Hubicka <jh@suse.cz>
357 * cgraph.c (cgraph_create_virtual_clone): Only check
358 versionable_function_p when not in wpa and checking is enabled.
359 * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
360 there are no more functions to materialize.
362 2010-05-17 Jan Hubicka <jh@suse.cz>
364 * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
365 * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
367 (output_cgraph): Call output_cgraph_opt_summary.
368 (input_cgrpah): Call input_cgraph_opt_summary.
369 (output_cgraph_opt_summary_p, output_node_opt_summary,
370 input_node_opt_summary, input_cgraph_opt_section): New functions.
371 * lto-section-in.c (lto_section_name): Add cgraphopt.
372 * tree-inline.c (tree_function_versioning): Handle parm_num.
373 * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
374 * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
376 2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
378 * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
379 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
380 the insn to prefetch ratio heuristic to loops with known trip count.
382 2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
384 * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
385 (schedule_prefetches): Do not generate a prefetch if the unroll factor
386 is far from what is required by the prefetch.
388 2010-05-17 Jan Hubicka <jh@suse.cz>
390 * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
391 (ipcp_estimate_growth): Likewise.
392 (ipcp_const_param_count): Likewise.
393 (ipcp_insert_stage): Likewise.
394 * ipa-prop.c (visit_load_for_mod_analysis): New function.
395 (visit_store_addr_for_mod_analysis): Set used flag.
396 (ipa_detect_param_modifications): Set used flag for SSE params;
397 update use of walk_stmt_load_store_addr_ops.
398 (ipa_print_node_params): Print used flag.
399 (ipa_write_node_info): Stream used flag.
400 (ipa_read_node_info): Likewise.
401 * ipa-prop.h (struct ipa_param_descriptor): Add used field.
402 (ipa_is_param_used): New function.
403 (lto_ipa_fixup_call_notes): Remove unused declaration.
405 2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
408 * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
409 * configure: Regenerate.
410 * config.in: Regenerate.
411 * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
412 !HAVE_AS_IX86_REP_LOCK_PREFIX.
413 Don't emit whitespace.
414 * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
415 (*rep_movsi): Likewise.
416 (*rep_movsi_rex64): Likewise.
417 (*rep_movqi): Likewise.
418 (*rep_movqi_rex64): Likewise.
419 (*rep_stosdi_rex64): Likewise.
420 (*rep_stossi): Likewise.
421 (*rep_stossi_rex64): Likewise.
422 (*rep_stosqi): Likewise.
423 (*rep_stosqi_rex64): Likewise.
424 (*cmpstrnqi_nz_1): Use {%;} after repz.
425 (*cmpstrnqi_nz_rex_1): Likewise.
426 (*cmpstrnqi_1): Likewise.
427 (*cmpstrnqi_rex_1): Likewise.
428 (*strlenqi_1): Use {%;} after repnz.
429 (*strlenqi_rex_1): Likewise.
430 * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
431 (*sync_compare_and_swap<mode>): Likewise.
432 (sync_double_compare_and_swap<mode>): Likewise.
433 (*sync_double_compare_and_swapdi_pic): Likewise.
434 (sync_old_add<mode>): Likewise.
435 (sync_add<mode>): Likewise.
436 (sync_sub<mode>): Likewise.
437 (sync_<code><mode>): Likewise.
439 2010-05-17 Martin Jambor <mjambor@suse.cz>
441 * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
442 otr_token and polymorphic.
443 * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
444 (cgraph_clone_edge): Copy the above fields.
445 * tree.c (get_binfo_at_offset): New function.
446 * tree.h (get_binfo_at_offset): Declare.
447 * ipa-prop.h (enum jump_func_type): Added known_type jump function
448 type, reordered items, updated comments.
449 (union jump_func_value): Added base_type field, reordered fields.
450 (enum ipa_lattice_type): Moved down in the file.
451 (struct ipa_param_descriptor): New field polymorphic.
452 (ipa_is_param_polymorphic): New function.
453 * ipa-prop.c: Include gimple.h and gimple-fold.h.
454 (ipa_print_node_jump_functions): Print known type jump functions.
455 (compute_complex_pass_through): Renamed to...
456 (compute_complex_assign_jump_func): this.
457 (compute_complex_ancestor_jump_func): New function.
458 (compute_known_type_jump_func): Likewise.
459 (compute_scalar_jump_functions): Create known type and complex ancestor
461 (ipa_note_param_call): New parameter polymorphic, set the corresponding
462 flag in the call note accordingly.
463 (ipa_analyze_call_uses): Renamed to...
464 (ipa_analyze_indirect_call_uses): this. New parameter target, define
465 variable var only in the block where it is used.
466 (ipa_analyze_virtual_call_uses): New function.
467 (ipa_analyze_call_uses): Likewise.
468 (combine_known_type_and_ancestor_jfs): Likewise.
469 (update_jump_functions_after_inlining): Implemented handling of a
470 number of new jump function types combination.
471 (print_edge_addition_message): Removed.
472 (make_edge_direct_to_target): New function.
473 (try_make_edge_direct_simple_call): Likewise.
474 (try_make_edge_direct_virtual_call): Likewise.
475 (update_call_notes_after_inlining): Renamed to...
476 (update_indirect_edges_after_inlining): this. Moved edge creation for
477 indirect calls to try_make_edge_direct_simple_call, also calls
478 try_make_edge_direct_virtual_call for virtual calls.
479 (ipa_print_node_params): Changed the header message.
480 (ipa_write_jump_function): Stream also known type jump functions.
481 (ipa_read_jump_function): Likewise.
482 (ipa_write_indirect_edge_info): Stream new fields in
483 cgraph_indirect_call_info.
484 (ipa_read_indirect_edge_info): Likewise.
485 * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
488 2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
490 * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
492 2010-05-17 Nathan Froyd <froydnj@codesourcery.com>
494 * tree.h (CALL_EXPR_ARGS): Delete.
495 (call_expr_arglist): Delete.
496 * tree.c (call_expr_arglist): Delete.
497 * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
498 targetm.fold_builtin.
499 * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
500 Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
501 * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
502 arglist parameter. Use CALL_EXPR_ARG.
503 (picochip_expand_builtin_3op): Likewise.
504 (picochip_expand_builtin_2opvoid): Likewise.
505 (picochip_expand_array_get): Likewise.
506 (picochip_expand_array_put): Likewise.
507 (picochip_expand_array_testport): Likewise.
508 (picochip_expand_builtin): Don't call CALL_EXPR_ARGS. Pass exp
510 * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
512 * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
513 than TREE_VALUE and TREE_CHAIN.
514 * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
515 * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
518 2010-05-17 Jakub Jelinek <jakub@redhat.com>
521 * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
522 to have no fallthru edge.
525 * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
526 bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
527 mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
528 add BARRIER after previous bb if needed.
530 2010-05-17 Nathan Froyd <froydnj@codesourcery.com>
532 * tree.c (build_function_type_list_1): Remove bogus assert condition.
534 2010-05-17 Alan Modra <amodra@gmail.com>
536 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
537 unnecessary prototype. Replace copy_r12 and copy_r11 flag params
538 with copy_reg rtx param.
539 (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
540 Correct cases where code for ABI_V4 did not initialise the reg
541 used to access frame. Also leave frame_reg_rtx as sp for large
542 frames that save no regs.
544 2010-05-17 Martin Jambor <mjambor@suse.cz>
547 * tree-sra.c (create_access_replacement): New parameter rename, mark
548 the replaement for renaming only when it is true.
549 (get_access_replacement): Pass true in the rename parameter of
550 create_access_replacement.
551 (get_unrenamed_access_replacement): New function.
552 (replace_uses_with_default_def_ssa_name): New parameter racc, get the
553 replacement declaration from it.
555 2010-05-17 Bernd Schmidt <bernds@codesourcery.com>
557 * function.c (try_fit_stack_local, add_frame_space): New static
559 (assign_stack_local_1): Use them. Look for opportunities to use
560 space previously wasted on alignment.
561 * function.h (struct frame_space): New.
562 (struct rtl_data): Add FRAME_SPACE_LIST member.
563 * reload1.c (something_was_spilled): New static variable.
565 (reload): Test it in addition to testing if the frame size changed.
567 2010-05-17 Christian Borntraeger <borntraeger@de.ibm.com>
569 * config/s390/s390.c: Define sane prefetch settings and activate
570 flag_prefetch_loop_arrays on -O3.
571 * config/s390/s390.h: Declare that read can use write prefetch.
573 2010-05-17 Jakub Jelinek <jakub@redhat.com>
575 * lto-streamer-out.c (lto_output): Fix --enable-checking=release
578 2010-05-16 Jan Hubicka <jh@suse.cz>
580 * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
581 function body; do not check stdarg field of struct function.
583 2010-05-16 Jan Hubicka <jh@suse.cz>
585 * cgraph.c (dump_cgraph_node): Dump versionable flag.
586 * cgraph.h (cgraph_local_info): Add versionable flag.
587 * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
588 (ipcp_versionable_function_p): Use it.
589 * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
592 2010-05-16 Jan Hubicka <jh@suse.cz>
594 * cgraph.c (cgraph_clone_node): Take decl argument and insert
595 clone into hash when it is different from orig.
596 (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
597 * cgraph.h (cgraph_clone_node): Update prototype.
598 * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
599 (lto_cgraph_encoder_delete): Delete body map.
600 (lto_cgraph_encoder_size): Move to header.
601 (lto_cgraph_encoder_encode_body_p,
602 lto_set_cgraph_encoder_encode_body): New.
603 (lto_output_node): Do not take written_decls argument; output clone_of
605 (add_node_to): Add include_body_argument; call
606 lto_set_cgraph_encoder_encode_body on master of the clone.
607 (add_references): Update use of add_node_to.
608 (compute_ltrans_boundary): Likewise.
609 (output_cgraph): Do not create written_decls bitmap.
610 (input_node): Take nodes argument; stream in clone_of correctly.
611 (input_cgraph_1): Update use of input_node.
612 * lto-streamer-out.c (lto_output): Use encoder info to decide
613 what bodies to output.
614 * ipa-inline.c (cgraph_clone_inlined_nodes,
615 cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
616 * lto-streamer.h (lto_cgraph_encoder_d): Add body.
617 (lto_cgraph_encoder_size): Define here.
618 (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
621 2010-05-16 Richard Guenther <rguenther@suse.de>
623 * doc/invoke.texi (-fipa-struct-reorg): Do not mention
625 * ipa-type-escape.c (gate_type_escape_vars): Run when
626 -fipa-struct-reorg runs.
627 * opts.c (decode_options): Do not unset flag_ipa_type_escape.
628 * common.opt (fipa-type-escape): Remove.
630 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
632 * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
633 (decode_options): Likewise.
634 * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
636 2010-05-16 Jan Hubicka <jh@suse.cz>
638 * ipa.c (function_and_variable_visibility): Also bring local all
641 2010-05-16 Richard Guenther <rguenther@suse.de>
643 * alias.c (nonoverlapping_memrefs_p): Remove use of
644 IPA type-escape information.
646 2010-05-16 Joseph Myers <joseph@codesourcery.com>
648 * c-common.c (c_common_reswords): Add _Static_assert for C.
649 * c-parser.c (c_token_starts_declaration,
650 c_parser_next_token_starts_declaration,
651 c_parser_static_assert_declaration_no_semi,
652 c_parser_static_assert_declaration): New.
653 (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
654 Handle static assertions if static_assert_ok.
655 (c_parser_external_declaration, c_parser_declaration_or_fndef,
656 c_parser_compound_statement_nostart, c_parser_label,
657 c_parser_for_statement, c_parser_objc_methodprotolist,
658 c_parser_omp_for_loop): All callers of
659 c_parser_declaration_or_fndef changed.
660 (c_parser_struct_declaration): Handle static assertions.
661 (c_parser_compound_statement_nostart): Use
662 c_parser_next_token_starts_declaration and
663 c_token_starts_declaration to detect start of declarations.
664 (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
667 2010-05-16 Anatoly Sokolov <aesok@post.ru>
669 * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
670 LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
671 * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
672 TARGET_FUNCTION_VALUE_REGNO_P): Define.
673 (mmix_function_outgoing_value): Rename to...
674 (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
675 (mmix_function_value_regno_p): Make static.
676 (mmix_libcall_value): New function.
677 * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
678 mmix_function_value_regno_p): Remove declaration.
680 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
682 * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
683 BUILT_IN_ALLOCA if stack checking is enabled.
685 2010-05-16 Richard Guenther <rguenther@suse.de>
687 * var-tracking.c (vars_copy_1): Inline ...
688 (vars_copy): ... here. Use FOR_EACH_HTAB_ELEMENT.
689 (variable_union): Use FOR_EACH_HTAB_ELEMENT. Merge asserts.
690 (variable_merge_over_cur): Adjust. Merge asserts.
691 (variable_merge_over_src): Likewise.
692 (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
693 (variable_post_merge_new_vals): Merge asserts.
694 (variable_post_merge_perm_vals): Likewise.
695 (find_mem_expr_in_1pdv): Likewise.
696 (dataflow_set_different_value): Remove.
697 (onepart_variable_different_p): Merge asserts.
698 (variable_different_p): Likewise.
699 (dataflow_set_different_1): Inline ...
700 (dataflow_set_different): ... here. Use FOR_EACH_HTAB_ELEMENT.
701 (emit_notes_for_differences_1): Merge asserts.
703 2010-05-16 Richard Guenther <rguenther@suse.de>
705 * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
706 * optabs.c (libfunc_decl_hash): Likewise.
707 * varasm.c (emutls_decl): Likewise.
709 2010-05-16 Steven Bosscher <steven@gcc.gnu.org>
711 * c-decl.c: Don't include gimple.h.
712 (merge_decls): Do not copy gimple_body.
714 2010-05-15 Jason Merrill <jason@redhat.com>
716 * c.opt: Add -fnothrow-opt.
718 2010-05-15 Jan Hubicka <jh@suse.cz>
720 * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
722 * passes.c (ipa_write_summaries): Write all analyzed nodes.
724 2010-05-15 Steven Bosscher <steven@gcc.gnu.org>
726 * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
727 * Makefile.in: Add it.
728 Fix all other Makefile dependencies for changes below.
729 * tree.h: Include it instead of defining VEC primitives here.
730 * gimple.h: Likewise.
732 * tree-inline.h: Inlclude vecir.h instead of gimple.h.
733 * except.h: Include vecir.h, break dependence on tree.h.
735 * gimplify.c (append_to_statement_list_1, append_to_statement_list):
737 * tree-iterator.c: ...to here.
738 * tree-iterator.h: Fix file introduction comment. Add extern markers.
740 * c-lex.c: Include fixed-value.h instead of rtl.h. Do not include
742 * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
743 * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
744 integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
745 tree-mudflap.h, and target.h.
746 * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
747 predict.h, tree-inline.h, gimple.h, and langhooks.h.
748 * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
749 Add FIXME for why gimple.h is still included (should be unnecessary
750 since GCC 4.5 gimplification unit-at-a-time).
751 * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
752 * c-pragma.c: Add FIXME for why function.h needs to be included just
753 for cfun, at front-end level.
754 Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
755 Do not include ggc.h, but include vecprim.h for VEC(char).
756 * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
757 Explain why target.h is included.
758 * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
759 Explain why gimple.h is included.
760 * c-ppoutput.c: Do not include tm.h.
761 * c-common.c: Do not include gimple.h. Explain why expr.h is included.
762 * c-parses.c: Explain why rtl.h is included, and that this (and only
763 this) is also why tm.h must be included.
764 Do not include except.h.
765 * c-lang.c: Do not include ggc.h.
767 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
769 * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
771 2010-05-15 Joseph Myers <joseph@codesourcery.com>
773 * c-decl.c (grokfield): Allow typedefs for anonymous structs and
774 unions by default if those structs and unions have no tags. Do
775 not condition anonymous struct and unions handling on flag_iso.
776 Allow anonymous structs and unions for C1X.
777 (finish_struct): Do not diagnose lack of named fields when
778 anonymous structs and unions present for C1X. Accept flexible
779 array members in structure with anonymous structs or unions but no
780 directly named fields.
781 * doc/extend.texi (Unnamed Fields): Update.
783 2010-05-15 Eric Botcazou <ebotcazou@adacore.com>
785 * gimple.h (compare_field_offset): Rename into...
786 (gimple_compare_field_offset): ...this.
787 * gimple.c (compare_field_offset): Rename into...
788 (gimple_compare_field_offset): ...this. Compare the full access if
789 the offset is self-referential.
790 (gimple_types_compatible_p): Adjust for above renaming.
791 * lto-streamer-in.c (input_gimple_stmt): Likewise. Also compare the
792 DECL_NONADDRESSABLE_P flag of fields before merging them.
794 2010-05-15 Nathan Froyd <froydnj@codesourcery.com>
796 * tree.h (ctor_to_list): Delete.
797 * tree.c (ctor_to_list): Delete.
799 2010-05-15 Jan Hubicka <jh@suse.cz>
801 * ipa-reference.c: Include toplev.h
802 (is_proper_for_analysis): Only add to all_module_statics
804 (write_node_summary_p, stream_out_bitmap,
805 ipa_reference_write_optimization_summary,
806 ipa_reference_read_optimization_summary): New.
807 (struct ipa_opt_pass_d pass_ipa_reference): Add
808 optimization summary streaming.
809 * lto-cgraph.c (referenced_from_this_partition_p,
810 reachable_from_this_partition_p): New functions.
811 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
812 call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
813 * opts.c (decode_options): Enable ipa_reference.
814 * Makefile.in (ipa-reference.o): Add toplev.h dependency.
815 * lto-streamer.h (referenced_from_this_partition_p,
816 reachable_from_this_partition_p): Declare.
818 2010-05-15 Richard Guenther <rguenther@suse.de>
820 PR tree-optimization/44038
821 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
822 taking the address of a V_C_E of a constant.
824 2010-05-14 Jan Hubicka <jh@suse.cz>
826 * tree.h (memory_identifier_string): Remove.
827 * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
828 (ipa_reference_global_vars_info_d): Remove statics_not_read and
830 (ipa_reference_optimization_summary_d): New structure.
831 (ipa_reference_optimization_summary_t): New type and vector.
832 (ipa_reference_vars_info_d): Embedd structures instead of using
834 (reference_vars_to_consider): Remove out of GGC space.
835 (module_statics_escape): Remove.
836 (global_info_obstack): Rename to ...
837 (optimization_summary_obstack): ... this one.
838 (initialization_status_t): Remove.
839 (memory_identifier_string): Remove.
840 (get_reference_vars_info): Fix indenting.
841 (set_reference_vars_info): Likewise.
842 (get_reference_optimization_summary): New.
843 (set_reference_optimization_summary): New.
844 (get_global_reference_vars_info): Remove.
845 (ipa_reference_get_read_global): Remove.
846 (ipa_reference_get_written_global): Remove.
847 (ipa_reference_get_not_read_global): Update.
848 (ipa_reference_get_not_written_global): Update.
849 (is_proper_for_analysis): Outlaw addressable.
850 (propagate_bits): Update for new datastructures.
851 (analyze_variable): Remove.
852 (init_function_info): Update for new datastructures.
853 (clean_function_local_data): Remove.
854 (clean_function): Remove.
855 (copy_global_bitmap): Use optimizations_summary_obstack.
856 (duplicate_node_data): Duplicate optimization summary only.
857 (remove_node_data): Remove optimization summary only.
858 (generate_summary): Do not analyze variables; do not compute
859 module_statics_escape; do not prune solutions by it.
860 (read_write_all_from_decl): Fix typos in comments.
861 (propagate): Doscover readonly and nonaddressable first;
862 update for new datastructures; share global bitmaps.
863 * ipa-reference.h (ipa_reference_get_read_global,
864 ipa_reference_get_written_global): Remove.
865 * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
866 * Makefile.in: Remove ipa-refereference from GT files.
868 2010-05-14 Jakub Jelinek <jakub@redhat.com>
871 * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
872 for all SYMBOL_REF_DECLs.
874 2010-05-14 Jan Hubicka <jh@suse.cz>
876 * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
877 (varpool_all_refs_explicit_p): New inline function.
878 * ipa-reference.c: Update comment.
879 (module_statics_written): Remove.
880 (get_static_decl): Remove.
881 (ipa_init): Do not initialize module_statics_written.
882 (analyze_function): Likewise.
883 (generate_summary): Likewise; do not compute module_statics_readonly
884 and do not update variable flags.
885 (propagate): Call ipa_discover_readonly_nonaddressable_vars.
886 * ipa.c: Inlucde flags.h
887 (cgraph_local_node_p): New.
888 (cgraph_remove_unreachable_nodes): Return early when not optimizing;
889 promote functions to local.
890 (ipa_discover_readonly_nonaddressable_vars): New function.
891 (function_and_variable_visibility): Use cgraph_local_node_p.
892 * varpool.c (varpool_finalize_decl): Set force_output for
893 DECL_PRESERVE_P vars.
895 2010-05-14 Jan Hubicka <jh@suse.cz>
897 * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
899 2010-05-14 Richard Guenther <rguenther@suse.de>
901 PR tree-optimization/44119
902 * tree-ssa-pre.c (eliminate): Properly mark replacement of
903 a PHI node necessary.
905 2010-05-14 Eric Botcazou <ebotcazou@adacore.com>
907 * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
909 2010-05-14 Jason Merrill <jason@redhat.com>
912 * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
913 (gimple_call_set_nothrow): New.
914 * gimple.c (gimple_build_call_from_tree): Call it.
915 (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
918 * gimplify.c (gimplify_seq_add_stmt): No longer static.
919 * gimple.h: Declare it.
920 * gimple.c (gimple_build_eh_filter): No ops.
922 2010-05-14 Jan Hubicka <jh@suse.cz>
924 * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
925 nodes already in queue.
926 (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
929 2010-05-14 Jakub Jelinek <jakub@redhat.com>
932 * cfgexpand.c (expand_debug_expr): If non-memory op0
933 has BLKmode, return NULL.
935 2010-05-14 Harsha Jagasia <harsha.jagasia@amd.com>
937 * config.gcc: Add support for --with-cpu option for bdver1.
938 * config/i386/i386.h (TARGET_BDVER1): New macro.
939 (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
940 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
941 (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
942 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
943 Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
944 (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
945 (processor_type): Add PROCESSOR_BDVER1.
946 * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
947 processor_type in config/i386/i386.h.
948 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
949 movaps <reg, reg> instead of movapd <reg, reg> when replacing
950 movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
951 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
952 to emit packed xor instead of packed double/packed integer
953 xor for SSE and AVX when moving a zero value.
954 * config/i386/sse.md: Add check for
955 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
956 movapd/movdqa for SSE and AVX.
957 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
958 single logical operations i.e and, or and xor instead of packed double
959 logical operations for SSE and AVX.
960 * config/i386/i386-c.c (ix86_target_macros_internal):
961 Add PROCESSOR_BDVER1.
962 * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
963 (has_fma4, has_xop): New.
964 * config/i386/i386.c (bdver1_cost): New variable.
965 (m_BDVER1): New macro.
966 (m_AMD_MULTIPLE): Add m_BDVER1.
967 (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
968 x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
969 x86_tune_use_simode_fiop, x86_tune_promote_qimode,
970 x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
971 x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
972 x86_tune_sse_partial_reg_dependency,
973 x86_tune_sse_unaligned_load_optimal,
974 x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
975 x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
976 x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
977 x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
978 x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
979 Enable/disable for bdver1.
980 (processor_target_table): Add bdver1_cost.
981 (cpu_names): Add bdver1.
982 (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
983 processor_alias_table.
984 (ix86_expand_vector_move_misalign): Change.
985 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
986 Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
987 Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
988 of movupd/movdqu for SSE and AVX.
989 (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
990 (ix86_tune_adjust_cost): Add code for bdver1.
991 (standard_sse_constant_opcode): Add check for
992 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
993 of packed double xor for SSE and AVX.
995 2010-05-14 Pat Haugen <pthaugen@us.ibm.com>
997 * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
1000 2010-05-14 Tristan Gingold <gingold@adacore.com>
1002 * toplev.c (default_debug_hooks): Remove this variable.
1003 (process_options): Remove assignments to default_debug_hooks.
1005 2010-05-14 Martin Jambor <mjambor@suse.cz>
1007 * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
1008 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
1009 * langhooks.h (struct lang_hooks_for_decls): Removed field
1011 * tree.c (free_lang_data): Remove assignment to
1012 lang_hooks.fold_obj_type_ref.
1013 * tree.def (OBJ_TYPE_REF): Update comment.
1015 2010-05-14 Richard Guenther <rguenther@suse.de>
1017 PR tree-optimization/44124
1018 * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
1020 2010-05-14 Alan Modra <amodra@gmail.com>
1023 * config/rs6000/rs6000.c (struct machine_function): Reorder
1024 fields for better packing. Add lr_save_state.
1025 (rs6000_ra_ever_killed): Return lr_save_state if set.
1026 (rs6000_emit_eh_reg_restore): Set lr_save_state.
1028 2010-05-13 Jan Hubicka <jh@suse.cz>
1030 * varpool.c (decide_is_variable_needed): Drop code checking
1031 TREE_SYMBOL_REFERENCED.
1033 2010-05-13 Jan Hubicka <jh@suse.cz>
1035 * final.c (output_addr_const): Do not call mark_decl_referenced.
1036 * cgraphunit.c (process_function_and_variable_attributes): Use
1037 mark_needed_node dirrectly.
1038 (assemble_thunk): Do not call mark_decl_referenced.
1040 2010-05-13 Anatoly Sokolov <aesok@post.ru>
1042 * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
1044 2010-05-13 Jeff Law <law@redhat.com>
1046 * ira-conflicts.c (print_allocno_conflicts): New function broken out
1048 (print_conflicts): Call print_allocno_conflicts.
1050 2010-05-13 Jakub Jelinek <jakub@redhat.com>
1053 * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
1056 2010-05-13 Kai Tietz <kai.tietz@onevision.com>
1058 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
1059 t-mingw-w64 or t-mingw-w32 for multilib configuration.
1060 * config/i386/t-mingw-w32: New.
1061 * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
1063 2010-05-13 Martin Jambor <mjambor@suse.cz>
1065 * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
1067 * gimple-fold.c (get_base_binfo_for_type): New function.
1068 (gimple_get_relevant_ref_binfo): Likewise.
1069 (gimple_fold_obj_type_ref_known_binfo): Likewise.
1070 (gimple_fold_obj_type_ref): Likewise.
1071 (fold_gimple_call): Simplify condition for folding virtual calls
1072 and call gimple_fold_obj_type_ref.
1073 * gimple.h (gimple_get_relevant_ref_binfo): Declare.
1074 (gimple_fold_obj_type_ref_known_binfo): Likewise.
1076 2010-05-13 Andreas Schwab <schwab@linux-m68k.org>
1078 * config/rs6000/rs6000-protos.h
1079 (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
1080 * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
1081 (rs6000_debug_mode_dependent_address)
1082 (rs6000_mode_dependent_address_ptr): Likewise.
1084 2010-05-13 Jakub Jelinek <jakub@redhat.com>
1087 * var-tracking.c (track_expr_p): Allow tracking of variables optimized
1089 * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
1090 * tree-sra.c (create_access_replacement): Call unshare_expr before
1091 passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
1092 * dwarf2out.c: Include tree-flow.h.
1093 (struct var_loc_node): Rename var_loc_note field to loc, add comment.
1094 (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
1095 Handle DW_OP_bit_piece.
1096 (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
1097 construct_piece_list, adjust_piece_list): New functions.
1098 (add_var_loc_to_decl): Handle SRA optimized variables.
1099 Adjust for var_loc_note to loc field renaming.
1100 (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
1101 in VAR_LOCATION note.
1102 (new_loc_descr_op_bit_piece): New function.
1103 (dw_sra_loc_expr): New function.
1104 (dw_loc_list): Use it. Don't handle the last range after the
1105 loop, handle it inside of the loop. Adjust for var_loc_note
1106 to loc field renaming.
1107 (add_location_or_const_value_attribute): Only special case
1108 single entry loc lists if loc is NOTE_P. Adjust for
1109 var_loc_note to loc field renaming.
1110 (dwarf2out_var_location): Don't set newloc->var_loc_note
1111 and newloc->next here.
1113 2010-05-12 Jan Hubicka <jh@suse.cz>
1115 * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
1117 * cgraph.h (cgraph_only_called_directly_p,
1118 cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
1119 (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
1120 * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
1122 * ipa.c (cgraph_remove_unreachable_nodes): Use
1123 cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
1125 * tree-inline.c (copy_bb): Check address_taken flag.
1126 * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
1127 externally_visible flag.
1129 2010-05-12 Jason Merrill <jason@redhat.com>
1133 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
1134 * sdbout.c (plain_type_1): Likewise.
1135 * dwarf2out.c (is_base_type): Likewise.
1136 (gen_type_die_with_usage): Likewise. Generate
1137 DW_TAG_unspecified_type for any LANG_TYPE.
1139 2010-05-12 Jan Hubicka <jh@suse.cz>
1141 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
1143 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
1144 (cgraph_clone_edge): Update.
1145 (cgraph_node_remove_callees): Remove indirect calls too.
1146 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
1147 (cgraph_create_indirect_edge): Update prototype.
1148 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
1149 is_proper_for_analysis.
1150 (add_new_function, visited_nodes, function_insertion_hook_holder,
1151 get_local_reference_vars_info, mark_address_taken, mark_address,
1152 mark_load, mark_store, check_asm_memory_clobber, check_call,
1153 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
1154 (ipa_init): Do not initialize visited_nodes;
1155 function_insertion_hook_holder.
1156 (analyze_variable): Rewrite.
1157 (analyze_function): Rewrite.
1158 (copy_local_bitmap): Remove.
1159 (duplicate_node_dat): Do not duplicate local info.
1160 (generate_summary): Simplify to only walk cgraph.
1161 (write_node_summary_p, ipa_reference_write_summary,
1162 ipa_reference_read_summary): Remove.
1163 (propagate): Do not remove function insertion;
1165 (pass_ipa_reference): NULLify summary handling fields.
1166 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
1167 (input_edge): Input ecf_flags.
1168 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
1169 (update_indirect_edges_after_inlining): Ignore edges with unknown
1172 2010-05-12 Sriraman Tallam <tmsriram@google.com>
1174 * implicit-zee.c: New file.
1175 * tree-pass.h (pass_implicit_zee): Declare.
1176 * passes.c (init_optimization_passes): Add zee pass.
1177 * common.opt (fzee): New flag.
1178 * timevar.def (TV_ZEE): Define.
1179 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
1181 * Makefile.in (implicit-zee.o): Add new build file.
1183 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
1184 Nathan Froyd <froydnj@codesourcery.com>
1186 * c-common.c (sync_resolve_params): Remove write-only variable.
1188 2010-05-12 Anatoly Sokolov <aesok@post.ru>
1190 * target.h (struct gcc_target): Add mode_dependent_address_p field.
1191 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1192 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
1193 * targhooks.c (default_mode_dependent_address_p): New function.
1194 * targhooks.h (default_mode_dependent_address_p): Declare function.
1195 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1196 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
1197 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
1198 target hook. Change return type to bool.
1199 * recog.h: (mode_dependent_address_p): Change return type to bool.
1201 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
1202 Nathan Froyd <froydnj@codesourcery.com>
1204 * tree-mudflap.c (build_function_type_0, build_function_type_1,
1205 build_function_type_2, build_function_type_3): Remove.
1206 (mudflap_init): Use build_function_type_list.
1208 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
1209 Nathan Froyd <froydnj@codesourcery.com>
1211 * coverage.c (build_fn_info_value): Call build_constructor instead of
1212 build_constructor_from_list.
1213 (build_ctr_info_value): Likewise.
1214 (build_gcov_info): Likewise.
1216 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
1218 * tree.c (build_constructor): Compute TREE_CONSTANT for the
1219 resultant constructor.
1220 (build_constructor_single): Don't set TREE_CONSTANT.
1221 (build_constructor_from_list): Don't compute TREE_CONSTANT.
1223 2010-05-12 Jan Hubicka <jh@suse.cz>
1225 * cgraph.h (struct varpool_node): Add aux.
1226 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
1227 * varpool.c (varpool_remove_node): Do not remove initializer.
1228 (varpool_reset_queue): Export.
1229 (varpool_finalize_decl): Volatile vars are forced to be output.
1230 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
1232 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
1233 process_references, varpool_can_remove_if_no_refs): New functions.
1234 (cgraph_remove_unreachable_nodes): Handle variables too.
1236 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
1239 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
1241 2010-05-12 Jakub Jelinek <jakub@redhat.com>
1244 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
1245 change value of ORT_TASK.
1246 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
1247 (omp_notice_threadprivate_variable): New function.
1248 (omp_notice_variable): Call it for threadprivate variables.
1249 If enclosing ctx is a task, print enclosing task rather than
1250 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
1251 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
1252 if task has untied clause.
1255 * dwarf2out.c (base_type_die): Don't add name attribute here.
1256 (modified_type_die): Instead of sizetype use
1257 its underlying original type. If a DW_TAG_base_type doesn't
1258 have name added, add __unknown__.
1259 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
1260 always call force_type_die instead.
1262 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
1264 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
1265 for __stack_chk_guard.
1267 2010-05-11 Jakub Jelinek <jakub@redhat.com>
1269 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
1270 don't call start_source_file debug hook here...
1271 (finish_options): ... but here, after outputting predefined and
1272 command line defines and undefs.
1275 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
1277 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
1278 optimizing away empty bb with no successors, move over its
1279 footer chain to fallthru predecessor.
1280 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
1281 (rtl_split_edge): For asm goto call patch_jump_insn even if
1282 splitting fallthru edge.
1285 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
1286 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
1287 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
1288 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
1292 * c-parser.c (c_parser_expression): Mark LHS of a comma
1293 expression as read if it is a decl, handled component or
1294 COMPOUND_EXPR with that on the RHS.
1295 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
1296 if it is a decl or handled component.
1298 2010-05-11 Jan Hubicka <jh@suse.cz>
1300 * lto-symtab.c (lto_symtab_free): New function.
1301 * lto-streamer.h (lto_symtab_free): Declare.
1303 2010-05-11 Jan Hubicka <jh@suse.cz>
1305 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
1306 that if function is needed it is reachable.
1307 (lto_output_node): See if it the function is reachable or referenced.
1308 (output_cgraph): Update call of lto_output_node.
1309 * lto-streamer.h (reachable_from_other_partition_p): Declare.
1311 2010-05-11 Jan Hubicka <jh@suse.cz>
1313 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
1316 2010-05-11 Jan Hubicka <jh@suse.cz>
1318 PR tree-optimize/44063
1319 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
1321 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
1323 (estimate_function_body_sizes): Compute sizes even when disregarding.
1325 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
1327 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
1329 2010-05-11 Jan Hubicka <jh@suse.cz>
1331 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
1332 into every boundary.
1334 2010-05-11 Jan Hubicka <jh@suse.cz>
1336 * matrix-reorg.c (matrix_reorg): Rebuild edges.
1338 2010-05-11 Jan Hubicka <jh@suse.cz>
1340 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
1341 lto_streamer_cache_delete): Put nodes into heap.
1342 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
1345 2010-05-11 Jan Hubicka <jh@suse.cz>
1347 * cgraphbuild.c (cgraph_rebuild_references): New.
1348 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
1350 * cgraph.h (cgraph_rebuild_references): Declare.
1351 * tree-inline.c (tree_function_versioning): Use it.
1352 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
1354 2010-05-11 Jan Hubicka <jh@suse.cz>
1356 * cgraph.c: Include ipa-utils.h
1357 (cgraph_create_virtual_clone): Update references.
1358 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
1360 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
1362 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
1363 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
1366 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
1368 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
1370 2010-05-11 Jakub Jelinek <jakub@redhat.com>
1372 * gcc.c (execute): For -### don't quote arguments that
1373 contain just alphanumerics and _/-. characters.
1374 * doc/invoke.texi: Document that change for -###.
1377 * df-problems.c (struct dead_debug): Add to_rescan field.
1378 (dead_debug_init): Clear to_rescan field.
1379 (dead_debug_finish): Rescan all debug insns in to_rescan
1380 bitmap and free the bitmap.
1381 (dead_debug_insert_before): Instead of rescanning debug insns
1382 immediately queue their rescanning until dead_debug_finish.
1383 (df_note_bb_compute): After dead_debug_add do continue instead
1386 2010-05-10 Jakub Jelinek <jakub@redhat.com>
1389 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1390 clear also INSN_REG_USE_LIST.
1392 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1394 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1396 2010-05-10 Jan Hubicka <jh@suse.cz>
1398 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1401 2010-05-10 Jan Hubicka <jh@suse.cz>
1403 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1405 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1406 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1407 (lto_streamer_cache_create): Init alloc pool.
1408 (lto_streamer_cache_delete): Free alloc pool.
1409 * lto-streamer.h: Include alloc pool.
1410 (lto_streamer_cache_d): Use alloc pool.
1411 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1413 2010-05-10 Jan Hubicka <jh@suse.cz>
1415 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1416 * cgraphbuild.c: Include except.h
1417 (record_type_list, record_eh_tables): New function.
1418 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1420 2010-05-10 Jan Hubicka <jh@suse.cz>
1422 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1423 __frame_dummy_init_array_entry, force_to_data): Attribute as used
1426 2010-05-10 Michael Matz <matz@suse.de>
1428 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1429 (can_reassociate_p): Use FLOAT_TYPE_P.
1430 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1431 (vect_force_simple_reduction): ... this.
1432 * tree-parloops.c (gather_scalar_reductions): Use
1433 vect_force_simple_reduction.
1434 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1435 vect_is_simple_reduction, add modify argument, if true rewrite
1436 "a-b" into "a+(-b)".
1437 (vect_is_simple_reduction, vect_force_simple_reduction): New
1439 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1441 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
1442 Vladimir Makarov <vmakarov@redhat.com>
1444 PR rtl-optimization/44012
1445 * ira-build.c (remove_unnecessary_allocnos): Nullify
1446 regno_allocno_map of the removed allocno.
1448 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1450 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1452 * configure: Regenerate.
1454 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1456 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1458 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1459 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1461 * configure: Regenerate.
1463 2010-05-10 Richard Guenther <rguenther@suse.de>
1465 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1466 marked if the entry identifier is marked.
1468 2010-05-10 Richard Guenther <rguenther@suse.de>
1470 * c-common.c (struct c_common_attributes): Add fnspec attribute.
1471 (handle_fnspec_attribute): New function.
1472 * gimple.h (gimple_call_return_flags): Declare.
1473 (gimple_call_arg_flags): Likewise.
1474 * gimple.c (gimple_call_arg_flags): New function.
1475 (gimple_call_return_flags): Likewise.
1476 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1478 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1480 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1481 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1483 (make_heapvar_for): ... this new function.
1484 (handle_rhs_call): Handle fnspec attribute argument specifiers.
1485 (handle_lhs_call): Likewise.
1486 (find_func_aliases): Adjust.
1488 2010-05-10 Richard Guenther <rguenther@suse.de>
1490 PR tree-optimization/44050
1491 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1493 2010-05-10 Wei Guozhi <carrot@google.com>
1496 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1498 2010-05-09 Joseph Myers <joseph@codesourcery.com>
1501 * c-typeck.c (lookup_field): Take a type directly. Update
1503 (build_component_ref): Update call to lookup_field.
1504 (set_init_label): Use lookup_field to find initialized field.
1505 Handle returned list of fields like a sequence of designators.
1507 2010-05-09 Richard Guenther <rguenther@suse.de>
1510 * fold-const.c (tree_single_nonzero_warnv_p): Properly
1511 handle &FUNCTION_DECL.
1513 2010-05-09 Joseph Myers <joseph@codesourcery.com>
1516 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
1517 structures and unions recursively.
1518 (detect_field_duplicates): Move duplicate detection with a hash to
1519 detect_field_duplicates_hash. Always use a hash if anonymous
1520 structures or unions are present.
1521 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1524 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
1527 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1528 detect Atom, Core 2 and Core i7.
1530 2010-05-09 Richard Guenther <rguenther@suse.de>
1532 * gcc.c (store_arg): Handle temporary file deletion for
1535 2010-05-09 Richard Guenther <rguenther@suse.de>
1538 * ipa-inline.c (estimate_function_body_sizes): Return after
1539 disregarding inline limits.
1541 2010-05-09 Richard Guenther <rguenther@suse.de>
1543 * gcc.c (store_arg): Revert last change.
1545 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
1548 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1549 (optimize_ops_list): Call it.
1551 2010-05-08 Richard Guenther <rguenther@suse.de>
1553 PR tree-optimization/44030
1554 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
1555 NECESSARY flag if we propagate from a inserted expression.
1557 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
1559 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1560 domain types as equal if they are both PLACEHOLDER_EXPRs.
1562 2010-05-08 Richard Guenther <rguenther@suse.de>
1564 * lto-wrapper.c (run_gcc): Remove linker output from
1565 command line for LTRANS invocation.
1567 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1569 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1570 lto-macho as lto_binary_reader.
1571 * target.h (struct gcc_target): New hooks lto_start and lto_end.
1572 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1573 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1574 in lto_start and lto_end calls.
1575 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
1577 (scan_prog_file): Update is_elf_or_coff call.
1578 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1580 * collect2.c (main): Fix enum comparison.
1582 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1584 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1585 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
1586 and TARGET_ASM_LTO_END.
1587 * darwin.c: Include obstack.h and lto-streamer.h.
1588 (lto_section_names_offset, lto_section_names_obstack,
1589 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1591 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1592 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
1593 to a temporary file.
1594 (darwin_asm_lto_end): New function. Restore asm_out_file.
1595 (darwin_asm_named_section): For LTO sections, replace the name with
1596 the offset of the section name in a string table, and build this
1598 (darwin_file_start): Initialize global vars for LTO support.
1599 (darwin_file_end): If output to asm_out_file was redirected, append it
1600 to the proper asm_out_file here. Add the section names section.
1602 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1604 * c-pragma.c (pending_weak_d, pending_weak): New.
1605 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1606 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1607 handle_pragma_weak): Update the uses of pending_weaks.
1609 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1611 PR documentation/44016
1612 * doc/standards.texi (Standards): Link to unversioned
1613 cxx0x_status.html page.
1615 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
1618 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1619 in addition to TREE_USED, to avoid "set but unused" warnings.
1621 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1623 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1624 (is_loop_prefetching_profitable): Do not insert prefetches
1625 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1626 times the prefetch ahead distance.
1628 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1630 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1631 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1632 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1635 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1637 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1638 a diagnostic info when the insn-to-mem ratio is too small.
1640 2010-05-07 Richard Guenther <rguenther@suse.de>
1642 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1644 (store_arg): Queue temp_filename for deletion instead of
1647 2010-05-07 Richard Guenther <rguenther@suse.de>
1649 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1650 (run_gcc): Handle LTRANS phase invocation.
1651 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1653 2010-05-07 Jakub Jelinek <jakub@redhat.com>
1655 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1656 this is also meaningful on PARM_DECLs and RESULT_DECLs.
1658 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1660 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1662 2010-05-07 Richard Guenther <rguenther@suse.de>
1664 PR tree-optimization/44020
1665 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1666 code when PRE is not yet initialized.
1668 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1670 * config/mips/dbxmdebug.h: Remove.
1671 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1673 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
1675 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1676 with null pointer and also warn about ordered comparison of zero with
1679 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1681 * graphite-blocking.c
1682 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1683 * graphite-clast-to-gimple.c
1684 (clast_to_gcc_expression): Same.
1685 (precision_for_value): Same.
1686 (precision_for_interval): Same.
1687 (gcc_type_for_interval): Same.
1688 (graphite_create_new_guard): Same.
1689 (compute_bounds_for_level): Same.
1690 (graphite_create_new_loop_guard): Same.
1691 * graphite-interchange.c
1692 (build_linearized_memory_access): Same.
1693 (pdr_stride_in_loop): Same.
1694 (memory_strides_in_loop_1): Same.
1695 (memory_strides_in_loop): Same.
1696 (extend_scattering): Same.
1697 (psct_scattering_dim_for_loop_depth): Same.
1698 (pbb_number_of_iterations): Same.
1700 (debug_iteration_domains): Same.
1702 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1703 (ppl_set_inhomogeneous_gmp): Same.
1704 (ppl_strip_loop): Same.
1705 (ppl_lexico_compare_linear_expressions): Same.
1706 (ppl_read_polyhedron_matrix): Same.
1707 (ppl_max_for_le_pointset): Same.
1709 (ppl_read_polyhedron_matrix): Same.
1710 (tree_int_to_gmp): Same.
1711 (gmp_cst_to_tree): Same.
1712 (ppl_set_inhomogeneous): Same.
1713 (ppl_set_inhomogeneous_tree): Same.
1714 (ppl_set_coef): Same.
1715 (ppl_set_coef_tree): Same.
1716 * graphite-sese-to-poly.c
1717 (build_pbb_scattering_polyhedrons): Same.
1718 (build_scop_scattering): Same.
1719 (scan_tree_for_params_right_scev): Same.
1720 (scan_tree_for_params): Same.
1721 (find_params_in_bb): Same.
1722 (find_scop_parameters): Same.
1723 (add_upper_bounds_from_estimated_nit): Same.
1724 (build_loop_iteration_domains): Same.
1725 (add_condition_to_domain): Same.
1726 (pdr_add_memory_accesses): Same.
1728 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1730 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1731 CLooG's value_* macros to their respective mpz_* counterparts.
1732 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1733 (graphite_create_new_loop_guard): Same.
1734 * graphite-interchange.c (build_linearized_memory_access): Same.
1735 (pdr_stride_in_loop): Same.
1736 (memory_strides_in_loop_1): Same.
1737 (1st_interchange_profitable_p): Same.
1738 * graphite-poly.c (extend_scattering): Same.
1739 (psct_scattering_dim_for_loop_depth): Same.
1740 (pbb_number_of_iterations): Same.
1741 (pbb_number_of_iterations_at_time): Same.
1742 * graphite-poly.h (new_1st_loop): Same.
1743 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1744 (oppose_constraint): Same.
1745 (insert_constraint_into_matrix): Same.
1746 (ppl_set_inhomogeneous_gmp): Same.
1747 (ppl_set_coef_gmp): Same.
1748 (ppl_strip_loop): Same.
1749 (ppl_lexico_compare_linear_expressions): Same.
1750 (ppl_max_for_le_pointset): Same.
1751 (ppl_min_for_le_pointset): Same.
1752 (ppl_build_realtion): Same.
1753 * graphite-ppl.h (gmp_cst_to_tree): Same.
1754 (ppl_set_inhomogeneous): Same.
1755 (ppl_set_inhomogeneous_tree): Same.
1756 (ppl_set_coef): Same.
1757 (ppl_set_coef_tree): Same.
1758 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1759 (build_scop_scattering): Same.
1760 (add_value_to_dim): Same.
1761 (scan_tree_for_params_right_scev): Same.
1762 (scan_tree_for_params_int): Same.
1763 (scan_tree_for_params): Same.
1764 (find_params_in_bb): Same.
1765 (find_scop_parameters): Same.
1766 (add_upper_bounds_from_estimated_nit): Same.
1767 (build_loop_iteration_domains): Same.
1768 (create_linear_expr_from_tree): Same.
1769 (add_condition_to_domain): Same.
1770 (pdr_add_memory_accesses): Same.
1772 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
1773 Jason Merrill <jason@redhat.com>
1775 * c-common.c (c_common_reswords): Add nullptr.
1776 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
1777 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1778 (gen_type_die_with_usage): Likewise.
1779 * dbxout.c (dbxout_type): Likewise.
1780 * sdbout.c (plain_type_1): Likewise.
1782 2010-05-06 Jason Merrill <jason@redhat.com>
1784 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1785 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
1787 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1789 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1790 stripping WITH_SIZE_EXPR.
1791 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1794 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1796 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1797 list of obsolete configurations.
1798 Disabled check for obsolete configurations.
1799 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1800 Removed support for previous versions.
1801 * config/mips/iris.h: Removed.
1802 * config/mips/iris5.h: Removed.
1803 * config/mips/iris6.h: Merged old iris.h contents.
1804 (TARGET_IRIX): Removed.
1805 (DRIVER_SELF_SPECS): Removed mabi=32.
1806 (IDENT_ASM_OP): Removed undef.
1807 (STARTFILE_SPEC): Removed mabi=32.
1808 (ENDFILE_SPEC): Likewise.
1809 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1810 (MACHINE_TYPE): Update for IRIX 6.5.
1811 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1812 TARGET_IRIX by TARGET_IRIX6.
1813 (mips_file_start): Likewise.
1814 (mips_output_external): Remove IRIX 5/6 O32 support.
1815 (mips_output_function_prologue): Likewise.
1816 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1818 (TARGET_CPU_CPP_BUILTINS): Likewise.
1819 (TARGET_IRIX): Removed.
1820 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1821 (MULTILIB_DIRNAMES): Removed 32.
1822 (MULTILIB_OSDIRNAMES): Removed ../lib.
1823 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1824 (Specific, mips-sgi-irix5): Document removal.
1825 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1826 Remove references to older IRIX 6 releases and the O32 ABI.
1828 2010-05-06 Jakub Jelinek <jakub@redhat.com>
1831 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1832 instead of DF_REF_REAL_REG.
1834 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
1837 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1838 handling to still return true for x64 targets.
1840 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1842 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1844 2010-05-06 Jan Hubicka <jh@suse.cz>
1846 PR tree-optimization/43791
1847 * ipa-inline.c (update_caller_keys): Remove bogus
1848 disregard_inline_limits check.
1850 2010-05-06 Michael Matz <matz@suse.de>
1852 PR tree-optimization/43984
1853 * tree-ssa-pre.c (inserted_phi_names): Remove.
1854 (inserted_exprs): Change to bitmap.
1855 (create_expression_by_pieces): Set bits, don't append to vector.
1856 (insert_into_preds_of_block): Don't handle inserted_phi_names.
1857 (eliminate): Don't look at inserted_phi_names, remove deleted
1858 insns from inserted_exprs.
1859 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1860 (init_pre, fini_pre): Allocate and free bitmaps.
1861 (execute_pre): Insert insns on edges before elimination.
1863 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1865 * tree.c (initializer_zerop): Handle STRING_CST.
1867 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
1870 * doc/invoke.texi (Wimplicit): Document as C only.
1871 * opts.c (common_handle_option): Add argument kind.
1872 (handle_option): Rename as read_cmdline_option. Factor out code to...
1873 (handle_option): ... here. New.
1874 (handle_options): Rename as read_cmdline_options.
1875 (decode_options): Update call.
1876 (set_option): Use option index instead of option pointer. Classify
1877 diagnostics correctly.
1878 (enable_warning_as_error): Call handle_option.
1879 * opts.h (set_option): Update declaration.
1880 (handle_option): Declare.
1881 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1882 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1883 * c-opts.c (set_Wimplicit): Delete.
1884 (c_family_lang_mask): New static constant.
1885 (c_common_handle_option): Add argument kind. Use handle_option
1886 instead of set_Wimplicit.
1887 (c_common_post_options): warn_implicit and warn_implicit_int
1888 are disabled by default.
1889 * c-common.c (warn_implicit): Do not define here.
1890 * c-common.h (warn_implicit): Do not declare here.
1891 (c_common_handle_option): Update declaration.
1892 * lto-opts.c (lto_reissue_options): Update call to set_option.
1894 2010-05-06 Richard Guenther <rguenther@suse.de>
1896 PR tree-optimization/43571
1897 * domwalk.c (walk_dominator_tree): Walk the dominator
1898 sons in more optimal order.
1900 2010-05-06 Richard Guenther <rguenther@suse.de>
1902 PR tree-optimization/43934
1903 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1904 (stmt_cost): Likewise.
1905 (extract_true_false_args_from_phi): New helper.
1906 (determine_max_movement): For PHI nodes verify we can hoist them
1907 and compute their cost.
1908 (determine_invariantness_stmt): Handle PHI nodes.
1909 (move_computations_stmt): Likewise. Hoist PHI nodes in
1910 if-converted form using COND_EXPRs.
1911 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1912 (tree_ssa_lim): Likewise.
1913 * tree-flow.h (tree_ssa_lim): Adjust prototype.
1914 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1916 2010-05-06 Richard Guenther <rguenther@suse.de>
1918 PR tree-optimization/43987
1919 * tree-ssa-structalias.c (could_have_pointers): For possibly
1920 address-taken variables force pointers to be recorded.
1921 (create_variable_info_for_1): Likewise.
1922 (push_fields_onto_fieldstack): Pass in wheter all fields
1924 (find_func_aliases): Query types instead of vars whether
1925 they contain pointers where appropriate.
1927 2010-05-06 Jan Hubicka <jh@suse.cz>
1929 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1930 (record_reference, mark_address, mark_load, mark_store): Record
1932 (record_references_in_initializer): Update call of record_references.
1933 (rebuild_cgraph_edges): Remove all references before rebuiding.
1934 * cgraph.c (cgraph_create_node): Clear ref list.
1935 (cgraph_remove_node): Remove references.
1936 (dump_cgraph_node): Dump references.
1937 (cgraph_clone_node): Clone references.
1938 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1939 (struct cgraph_node, varpool_node): Add ref_lst.
1940 * ipa-ref.c: New file.
1941 * ipa-ref.h: New file.
1942 * ipa-ref-inline.h: New file.
1943 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1944 (referenced_from_other_partition_p): New function.
1945 (lto_output_varpool_node): Take set arugment; call
1946 referenced_from_other_partition.
1947 (lto_output_ref): New.
1948 (add_references): New.
1950 (output_cgraph): Compute boundary based on references; output refs.
1951 (output_varpool): Accept cgraph_node_set argument.
1954 (input_cgraph): Call input_refs.
1955 * lto-section-in.c (lto_section_name): Add refs.
1956 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1957 (ipa-ref.o): New file.
1958 * varpool.c (varpool_node): Clear ipa ref list.
1959 (varpool_remove_node): Remove references.
1960 (dump_varpool_node): Dump references.
1961 (varpool_assemble_decl): Only compile finalized ones.
1962 (varpool_extra_name_alias): Initialize ref list.
1963 * lto-streamer.c (lto-get_section_name): Add .refs section.
1964 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1965 (referenced_from_other_partition_p): Declared.
1967 2010-05-06 Ira Rosen <irar@il.ibm.com>
1969 PR tree-optimization/43901
1970 * tree-vect-stmts.c (vectorizable_call): Assert that vector
1971 type is not NULL if it's transformation phase, and return
1972 FALSE if it's analysis.
1973 (vectorizable_conversion, vectorizable_operation,
1974 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1976 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
1978 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1980 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1982 * config/mips/mips-protos.h
1983 (mips_small_register_classes_for_mode_p): Delete prototype.
1985 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
1987 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1988 * config/arm/arm.c (multiple_operation_profitable_p,
1989 compute_offset_order): New static functions.
1990 (load_multiple_sequence, store_multiple_sequence): Use them.
1991 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
1992 memory offsets, not register numbers.
1993 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1995 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
1997 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1998 (get_pending_sizes, put_pending_size, put_pending_sizes):
1999 Update the uses of pending_sizes.
2000 * c-decl.c (store_parm_decls): Likewise.
2001 * c-tree.h (struct c_arg_info): Likewise.
2002 * tree.h: Update the prototype for get_pending_sizes and
2005 2010-05-05 Jason Merrill <jason@redhat.com>
2008 * c-common.c (handle_aligned_attribute): Respect
2009 ATTR_FLAG_TYPE_IN_PLACE.
2012 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
2013 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
2014 (TARGET_INITIALIZER): Use it.
2015 * c-common.c (attribute_takes_identifier_p): Call it.
2016 * c-common.h: Update prototype.
2017 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
2018 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
2020 2010-05-05 Jakub Jelinek <jakub@redhat.com>
2023 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
2024 DW_ID_down_case for Fortran compilation units.
2026 2010-05-05 Jan Hubicka <jh@suse.cz>
2028 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
2031 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
2033 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
2034 a variable-sized RESULT_DECL.
2036 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
2038 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
2040 2010-05-05 Jason Merrill <jason@redhat.com>
2043 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
2045 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
2047 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
2048 Jakub Jelinek <jakub@redhat.com>
2051 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
2052 (dead_debug_init, dead_debug_finish): New functions.
2053 (dead_debug_add, dead_debug_insert_before): Likewise.
2054 (df_note_bb_compute): Initialize a dead_debug object, add dead
2055 debug uses to it, insert debug bind insns before death insns,
2056 reset debug insns that refer to pending uses at the end.
2057 * rtl.h (make_debug_expr_from_rtl): New prototype.
2058 * varasm.c (make_debug_expr_from_rtl): New function.
2060 2010-05-05 Jan Hubicka <jh@suse.cz>
2062 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
2063 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
2064 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
2065 lto_varpool_encoder_deref, lto_varpool_encoder_size,
2066 lto_varpool_encoder_encode_initializer_p,
2067 lto_set_varpool_encoder_encode_initializer): New functions.
2068 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
2069 call output_varpool.
2070 (input_varpool_node): Do not always set analyzed.
2071 (input_cgraph_1): Return vector of cgraph nodes.
2072 (input_varpool_1): Return vector of varpools.
2073 (input_cgraph): Free the vectors.
2074 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
2075 output only initializers needed.
2076 (lto_output): Only call output_cgraph.
2077 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
2078 * lto-section-out.c (lto_new_out_decl_state): Initialize
2079 state->varpool_node_encoder.
2080 * lto-streamer.h (lto_varpool_encoder_d): New.
2081 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
2082 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
2083 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
2084 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
2085 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
2087 (output_varpool, input_varpool): Remove declarations.
2089 2010-05-05 Jan Hubicka <jh@suse.cz>
2091 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
2092 with body can prevail.
2094 2010-05-05 Jan Hubicka <jh@suse.cz>
2096 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
2099 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2101 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
2103 * gengtype.h (erro_at_line): Constify pos argument.
2105 * gengtype.c: Include hashtab.h.
2106 (enum gc_used): Document GC_MAYBE_POINTED_TO.
2107 (error_at_line): Constify pos argument.
2108 (do_typedef): Initialize p->opt field.
2109 (get_file_gtfilename): Fix comment typo.
2110 (struct walk_type_data): Constify line field.
2111 (get_output_file_for_structure): New function.
2112 (write_local_func_for_structure): Constify orig_s argument.
2113 Use get_output_file_for_structure.
2114 (write_func_for_structure): Use get_output_file_for_structure.
2115 (INDENT): New define.
2116 (dump_pair, dump_type, dump_type_list, dump_typekind)
2117 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
2118 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
2120 (seen_types): New variable.
2121 (main): New variable do_dump. Process "-d" command line option.
2122 Call dump_everything if dump requested.
2124 2010-05-05 Jakub Jelinek <jakub@redhat.com>
2126 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
2127 in a temporary instead of invoking the macro multiple times.
2128 (track_expr_p): Likewise.
2130 2010-05-04 Neil Vachharajani <nvachhar@google.com>
2132 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
2134 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
2135 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
2136 conditions for printing notes.
2137 * common.opt (-Wcoverage-mismatch): Allow negative, default to
2138 true, update documentation.
2139 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
2141 2010-05-04 Jakub Jelinek <jakub@redhat.com>
2144 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
2147 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
2150 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
2151 (*sse_prologue_save_insn1): Likewise.
2152 (SSE prologue save splitter): Likewise.
2154 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
2156 * tree.c (free_lang_data_in_one_sizepos): New inline function.
2157 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
2158 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
2159 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
2160 all decls. Call it on DECL_FIELD_OFFSET of fields.
2161 (find_decls_types_r): Follow DECL_VALUE_EXPR.
2162 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
2164 2010-05-04 Martin Jambor <mjambor@suse.cz>
2166 * tree-sra.c (build_access_from_expr_1): The first parameter type
2167 changed to simple tree.
2168 (build_access_from_expr): Likewise, gsi parameter was eliminated.
2169 (scan_assign_result): Renamed to assignment_mod_result, enum elements
2171 (build_accesses_from_assign): Removed all parameters except for a
2172 simple gimple statement. Now returns a simple bool.
2173 (scan_function): All non-analysis parts moved to separate functions
2174 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
2175 parameters and updated both callers.
2176 (sra_modify_expr): Removed parameter data.
2177 (sra_modify_function_body): New function.
2178 (perform_intra_sra): Call sra_modify_function_body to modify the
2180 (replace_removed_params_ssa_names): Parameter data changed into
2182 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
2183 changed the parameter dont_convert to convert with the opposite
2185 (sra_ipa_modify_assign): Parameter data changed into adjustments
2186 vector, return value changed to bool.
2187 (ipa_sra_modify_function_body): New function.
2188 (sra_ipa_reset_debug_stmts): Updated a comment.
2189 (modify_function): Use ipa_sra_modify_function_body to modify function
2192 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
2195 * alias.c (true_dependence): Handle the same VALUE in x and mem.
2196 (canon_true_dependence): Likewise.
2197 (write_dependence_p): Likewise.
2199 2010-05-04 Jan Hubicka <jh@suse.cz>
2201 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
2202 * cgraphbuild.c: Include ipa-utils.h
2203 (record_reference_ctx): New struct.
2204 (record_reference): Simplify to work on initializers; not statements.
2205 (mark_address, mark_load, mark_store): New.
2206 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
2208 (record_references_in_initializer): Update use of record_reference.
2209 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
2212 2010-05-04 Jan Hubicka <jh@suse.cz>
2214 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
2215 node will be removed anyway.
2216 (lto_varpool_replace_node): Allow also unanalyzed nodes;
2217 relink aliases of node into prevailing node.
2218 * varpool.c (varpool_remove_node): Remove aliases properly;
2219 when removing node, remove all its aliases too; remove DECL_INITIAL
2220 of removed node; ggc_free the varpool node.
2222 2010-05-04 Richard Guenther <rguenther@suse.de>
2224 PR tree-optimization/43879
2225 * tree-ssa-structalias.c (alias_get_name): Use
2226 DECL_ASSEMBLER_NAME if available.
2227 (create_function_info_for): Return the varinfo node.
2228 (ipa_pta_execute): Associate same-body aliases and extra names
2229 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
2231 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
2233 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
2235 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
2238 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
2239 only if HONOR_REG_ALLOC_ORDER is not defined.
2241 2010-05-04 Richard Guenther <rguenther@suse.de>
2243 PR tree-optimization/43949
2244 * tree-vrp.c (extract_range_from_binary_expr): Only handle
2247 2010-04-26 Jason Merrill <jason@redhat.com>
2249 * c.opt (-fstrict-enums): New.
2250 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
2252 2010-05-03 David Ung <davidu@mips.com>
2253 James E. Wilson <wilson@codesourcery.com>
2255 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
2256 emit the trap instruction before the divide for TUNE_74K.
2258 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
2260 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
2261 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
2262 based on the above, for new target hook.
2264 * hooks.c (hook_bool_mode_true): New generic hook.
2265 * hooks.h (hook_bool_mode_true): Add prototype.
2267 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
2269 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
2270 target hook, set to hook_bool_mode_false.
2271 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
2272 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
2273 with targetm.small_register_classes_for_mode_p.
2274 (find_reusable_reload): Likewise.
2275 (combine_reloads): Likewise.
2276 * reload1.c (reload_as_needed): Likewise.
2277 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
2278 * ifcvt.c (noce_process_if_block, check_cond_move_block,
2279 dead_or_predicable): Likewise.
2280 * regmove.c (optimize_reg_copy_1): Likewise.
2281 * calls.c (prepare_call_address): Likewise.
2282 (precompute_register_parameters): Likewise.
2284 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
2286 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
2287 implementation of the hook that considers all register classes
2288 small except for SH64.
2289 (sh_override_options): Use the new hook.
2290 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
2293 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
2295 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
2296 implementation of the hook that considers all register classes
2298 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
2301 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
2303 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
2304 implementation of the hook that considers all register classes
2306 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
2309 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
2311 * config/m32c/m32c.h: Likewise.
2312 * config/pdp11/pdp11.h: Likewise.
2313 * config/avr/avr.h: Likewise.
2314 * config/xtensa/xtensa.h: Likewise.
2315 * config/m68hc11/m68hc11.h: Likewise.
2316 * config/mn10300/mn10300.h: Likewise.
2317 * config/mcore/mcore.h: Likewise.
2318 * config/h8300/h8300.h: Likewise.
2319 * config/bfin/bfin.h: Likewise.
2321 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
2322 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
2324 2010-05-03 Anatoly Sokolov <aesok@post.ru>
2326 * double-int.h (tree_to_double_int): Remove macro.
2327 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
2328 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2329 (tree_to_double_int): New function.
2330 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
2332 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2334 2010-05-03 Richard Guenther <rguenther@suse.de>
2336 PR tree-optimization/43971
2337 * tree-ssa-structalias.c (get_constraint_for_1): Fix
2338 constraints in the !flag_delete_null_pointer_checks case.
2340 2010-05-03 Jakub Jelinek <jakub@redhat.com>
2343 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
2344 result mode matches original rtl mode.
2346 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
2349 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
2351 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2353 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
2354 when processing flag options.
2356 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2358 * gcov-iov.c (main): Change format string placeholder
2359 from %#08x to 0x%08x.
2360 * genchecksum.c (dosum): Change format string placeholder
2361 from %#02x to 0x%02x.
2363 2010-05-02 Richard Guenther <rguenther@suse.de>
2365 PR tree-optimization/43879
2366 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
2368 2010-05-02 Bruno Haible <bruno@clisp.org>
2370 * doc/extend.texi (Function Attributes): Fix a typo.
2372 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2375 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2376 placeholder from 0x%x to %#x.
2377 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2378 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2379 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2380 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2381 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2382 * config/i386/i386.c (ix86_target_string): Ditto.
2383 * config/i386/i386.c (output_pic_addr_const): Ditto.
2384 (print_operand): Ditto.
2386 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2388 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2389 placeholder from 0x%x to %#x.
2390 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2391 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2392 (ASM_OUTPUT_DEBUG_DATA): Ditto.
2393 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2394 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2395 * optc-gen.awk: Ditto.
2396 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2397 (HOST_WIDE_INT_PRINT_HEX): Ditto.
2398 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2399 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2401 2010-05-01 Anatoly Sokolov <aesok@post.ru>
2403 * target.h (struct calls): Add function_value_regno_p field.
2404 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2405 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2406 * targhooks.c (default_function_value_regno_p): New function.
2407 * targhooks.h (default_function_value_regno_p): Declare function.
2408 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2409 * builtins.c. (apply_result_size): (Ditto.).
2410 * combine.c. (likely_spilled_retval_p): (Ditto.).
2411 * mode-switching.c. Include 'target.h'.
2412 (create_pre_exit): Use function_value_regno_p hook.
2413 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2414 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2415 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2417 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2418 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2419 (ix86_function_value_regno_p): Declare as static, change argument
2420 type to const unsigned int.
2421 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2423 2010-05-01 Richard Guenther <rguenther@suse.de>
2425 PR tree-optimization/43949
2426 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2428 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2430 2010-05-01 Anatoly Sokolov <aesok@post.ru>
2432 * rtl.h (CONST_DOUBLE_P): Define.
2433 (rtx_to_double_int): Declare.
2434 * emit-rtl.c (rtx_to_double_int): New function.
2435 * dwarf2out.c (insert_double): New function.
2436 (loc_descriptor, add_const_value_attribute): Clean up, use
2437 rtx_to_double_int and insert_double functions.
2439 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
2441 * doc/extend.texi (Inline): Add missing return keyword to examples.
2442 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2445 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
2447 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2448 the variable part of the offset as well. Use highest_pow2_factor for
2449 all alignment checks.
2451 2010-04-30 Richard Guenther <rguenther@suse.de>
2453 PR tree-optimization/43879
2454 * tree-ssa-structalias.c (type_could_have_pointers): Functions
2457 2010-04-30 Jan Hubicka <jh@suse.cz>
2459 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2461 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2463 2010-04-30 Jan Hubicka <jh@suse.cz>
2465 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2467 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2468 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2469 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2470 cgraph_node_set_needs_ltrans_p): Remove.
2472 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
2474 * sdbout.c: Include vec.h, do not include varray.h.
2475 (deferred_global_decls, sdbout_global_decl,
2476 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2477 * toplev.c: Do not include varray.h.
2478 (dump_memory_report): Do not dump VARRAY statistics.
2479 * gengtype.c (open_base_file): Ignore varray.h.
2480 * Makefile.in: Update for abovementioned changes.
2481 Remove all traces of varray.c and varray.h.
2482 * varray.c: Remove file.
2483 * varray.h: Remove file.
2485 2010-04-30 Jan Hubicka <jh@suse.cz>
2487 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2490 2010-04-30 Jan Hubicka <jh@suse.cz>
2492 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2495 2010-04-30 Richard Guenther <rguenther@suse.de>
2497 * tree-ssa-structalias.c (get_constraint_for_1): Generate
2498 constraints for CONSTRUCTOR.
2500 2010-04-30 Richard Guenther <rguenther@suse.de>
2503 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2504 first after all lowering passes.
2506 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
2508 * toplev.c: Include varray.h for statistics dumping.
2509 * tree.h: Do not declare varray_head_tag.
2510 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2511 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2512 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2513 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2514 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2515 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2516 c-common.c, c-common.h, reg-stack.c, basic-block.h,
2517 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2519 * Makefile.in: Update for abovementioned changes.
2521 2010-04-30 Jakub Jelinek <jakub@redhat.com>
2524 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2526 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2528 * config/picochip/picochip.c (picochip_legitimize_address): Define.
2529 Use this function to do machine-specific conversion.
2530 (picochip_legitimize_reload_address): Likewise.
2531 (picochip_legitimate_address_p): Check valid base register only if
2533 (picochip_check_conditional_copy): Check for modw only if opnd is
2535 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2536 to call the function in c.
2537 * config/picochip/picochip-protos.h
2538 (picochip_legitimize_reload_address): Define.
2539 * config/picochip/picochip.md (supported_compare1): Define.
2541 2010-04-30 Jan Hubicka <jh@suse.cz>
2543 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2544 (cgraph_global_info): Remove inlined.
2545 (LTO_cgraph_tag_names): Remove.
2546 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2547 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2548 simplify cgraph tags and document.
2549 (lto_output_node): Use only LTO_cgraph_unavail_node and
2550 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2551 for_functions_valid, global info, process and output flags.
2552 (input_overwrite_node): Initialize estimated stack size and
2553 estimated growth. Do not read flags we no longer store.
2554 (input_node): Likewise do not read info no longer stored.
2555 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2558 2010-04-30 Richard Guenther <rguenther@suse.de>
2560 PR tree-optimization/43879
2561 * tree-ssa-structalias.c (get_constraint_for_1): Properly
2562 handle non-zero initializers.
2564 2010-04-30 Richard Guenther <rguenther@suse.de>
2566 * builtins.c (fold_builtin_1): Delete free (0).
2568 2010-04-29 Jan Hubicka <jh@suse.cz>
2570 * gengtype.c (open_base_files): Add lto-streamer.h
2571 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2572 (pass_ipa_cp): GGC collect.
2573 * toplev. (compile_file): Do not output symbols.
2574 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2575 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2576 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2577 * lto-section-in.c: Include ggc.h
2578 (lto_new_in_decl_state): Alloc in GGC.
2579 (lto_delete_in_decl_state): Likewise.
2580 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2583 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2586 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2587 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
2588 (HONOR_REG_ALLOC_ORDER): Describe new macro.
2589 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2590 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2591 account only if HONOR_REG_ALLOC_ORDER is not defined.
2592 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2593 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2595 2010-04-29 Jon Grant <04@jguk.org>
2597 * collect2.c (vflag): Change type from int to bool.
2599 (helpflag): New global bool.
2600 (main): Set vflag and debug with boolean, not integer truth values.
2601 Accept new "--help" option and output usage text if found.
2602 * collect2.h (vflag): Update prototype.
2605 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2608 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2610 2010-04-29 Richard Guenther <rguenther@suse.de>
2613 * plugin.h (invoke_plugin_callbacks): Annotate arguments
2614 with ATTRIBUTE_UNUSED.
2616 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2619 * config/i386/i386.c (get_some_local_dynamic_name): Replace
2620 INSN_P with NONDEBUG_INSN_P.
2621 (distance_non_agu_define): Likewise.
2622 (distance_agu_use): Likewise.
2624 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2626 From Dominique d'Humieres <dominiq@lps.ens.fr>
2628 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2631 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
2633 * plugin.h (invoke_plugin_callbacks): New inline function.
2634 * plugin.c (flag_plugin_added): New global flag.
2635 (add_new_plugin): Initialize above flag.
2636 (invoke_plugin_callbacks): Rename to ...
2637 (invoke_plugin_callbacks_full): ... this.
2639 2010-04-28 Jan Hubicka <jh@suse.cz>
2641 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2642 (lto_varpool_replace_node): New.
2643 (lto_symtab_resolve_symbols): Resolve varpool nodes.
2644 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2645 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2646 * cgraph.h (varpool_node_ptr): New type.
2647 (varpool_node_ptr): New vector.
2648 (varpool_node_set_def): New structure.
2649 (varpool_node_set): New type.
2650 (varpool_node_set): New vector.
2651 (varpool_node_set_element_def): New structure.
2652 (varpool_node_set_element, const_varpool_node_set_element): New types.
2653 (varpool_node_set_iterator): New type.
2654 (varpool_node): Add prev pointers, add used_from_other_partition,
2656 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2657 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2658 varpool_get_node, varpool_remove_node): Declare.
2659 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2660 varpool_node_set_size): New inlines.
2661 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2662 * tree-pass.h (varpool_node_set_def): Forward declare.
2663 (ipa_opt_pass_d): Summary writting takes vnode sets too.
2664 (ipa_write_optimization_summaries): Update prototype.
2665 * ipa-cp.c (ipcp_write_summary): Update.
2666 * ipa-reference.c (ipa_reference_write_summary): Update.
2667 * lto-cgraph.c (lto_output_varpool_node): New static function.
2668 (output_varpool): New function.
2669 (input_varpool_node): New static function.
2670 (input_varpool_1): New function.
2671 (input_cgraph): Input varpool.
2672 * ipa-pure-const.c (pure_const_write_summary): Update.
2673 * lto-streamer-out.c (lto_output): Update, output varpool too.
2674 (write_global_stream): Kill WPA hack.
2675 (produce_asm_for_decls): Update.
2676 (output_alias_pair_p): Handle variables.
2677 (output_unreferenced_globals): Output only needed partition of varpool.
2678 * ipa-inline.c (inline_write_summary): Update.
2679 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2681 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2682 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2683 varpool_node_set_new, varpool_node_set_add,
2684 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2685 debug_varpool_node_set): New functions.
2686 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2687 (execute_one_pass): Process new decls too.
2688 (ipa_write_summaries_2): Pass around vsets.
2689 (ipa_write_summaries_1): Likewise.
2690 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2692 (ipa_write_optimization_summaries_1): Pass around vsets.
2693 (ipa_write_optimization_summaries): Likewise.
2694 * varpool.c (varpool_get_node): New.
2695 (varpool_node): Update doubly linked lists.
2696 (varpool_remove_node): New.
2697 (dump_varpool_node): More dumping.
2698 (varpool_enqueue_needed_node): Update doubly linked lists.
2699 (decide_is_variable_needed): Kill ltrans hack.
2700 (varpool_finalize_decl): Kill lto hack.
2701 (varpool_assemble_decl): Skip decls in other partitions.
2702 (varpool_assemble_pending_decls): Update doubly linkes lists.
2703 (varpool_empty_needed_queue): Likewise.
2704 (varpool_extra_name_alias): Likewise.
2705 * lto-streamer.c (lto_get_section_name): Add vars section.
2706 * lto-streamer.h (lto_section_type): Update.
2707 (output_varpool, input_varpool): Declare.
2709 2010-04-28 Mike Stump <mikestump@comcast.net>
2711 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2713 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2715 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2716 record or union type with RECORD_OR_UNION_TYPE_P predicate.
2717 (lto_input_ts_type_tree_pointers): Likewise.
2718 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2719 (lto_output_ts_type_tree_pointers): Likewise.
2721 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2723 Uniquization of constants at the Tree level
2724 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2725 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2727 (tree_output_constant_def): Declare.
2728 * gimplify.c (gimplify_init_constructor): When using block copy, first
2729 uniquize the constant constructor on the RHS.
2730 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2731 DECL_IN_CONSTANT_POOL flag.
2732 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2733 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2735 (assemble_variable): Deal with symbols belonging to the tree constant
2737 (get_constant_section): Add ALIGN parameter and simplify.
2738 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2739 (assemble_constant_contents): Use the expression of the VAR_DECL.
2740 (output_constant_def_contents): Use the alignment of the VAR_DECL.
2741 (tree_output_constant_def): New global function.
2742 (mark_constant): Use the expression of the VAR_DECL.
2743 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2745 (output_object_block): Likewise and assemble the expression.
2747 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2749 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2750 hash_tree, eq_tree): New tree hash table.
2751 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2752 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2753 lto_orig_address_remove): Reimplement.
2755 2010-04-28 Xinliang David Li <davidxl@google.com>
2758 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2759 (compute_uninit_opnds_pos): New function.
2760 (is_non_loop_exit_postdominating): New function.
2761 (compute_control_dep_chain): New function.
2762 (find_pdom): New function.
2763 (convert_control_dep_chain_into_preds): New function.
2764 (find_predicates): New function.
2765 (find_control_equiv_block): New function.
2766 (collect_phi_def_edges): New function.
2767 (find_def_preds): New function.
2768 (find_dom): New function.
2769 (dump_predicates): New function.
2770 (get_cmp_code): New function.
2771 (is_value_included_in): New function.
2772 (find_matching_predicate_in_rest_chains): New function.
2773 (use_pred_not_overlap_with_undef_path_pred): New function.
2774 (is_use_properly_guarded): New function.
2775 (normalize_cond_1): New function.
2776 (is_and_or_or): New function.
2777 (normalize_cond): New function.
2778 (is_gcond_subset_of): New function.
2779 (is_subset_of_any): New function.
2780 (is_or_set_subset_of): New function.
2781 (is_and_set_subset_of): New function.
2782 (is_norm_cond_subset_of): New function.
2783 (is_pred_expr_subset_of): New function.
2784 (is_pred_chain_subset_of): New function.
2785 (is_included_in): New function.
2786 (is_superset_of): New function.
2787 (find_uninit_use): New function.
2788 (warn_uninitialized_phi): New function.
2789 (compute_possibly_undefined_names): New function.
2790 (ssa_undefined_value_p): New function.
2791 (execute_late_warn_uninitialized): New function.
2792 * tree-ssa.c (ssa_undefined_value_p): Removed.
2793 (warn_uninit): Changed to extern.
2794 (warn_uninitialized_phi): Removed.
2795 (warn_uninitialized_vars): Changed to extern.
2796 (execute_late_warn_uninitialized): Removed
2797 * tree-flow.h: Add new prototypes.
2798 * timevar.def: Add new time variable.
2799 * Makefile.in: Add new build file.
2801 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
2803 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2806 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2809 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2811 2010-04-28 Martin Jambor <mjambor@suse.cz>
2813 * cgraph.h (struct cgraph_node): New field indirect_calls.
2814 (struct cgraph_indirect_call_info): New type.
2815 (struct cgraph_edge): Removed field indirect_call. New fields
2816 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2817 (cgraph_create_indirect_edge): Declare.
2818 (cgraph_make_edge_direct): Likewise.
2819 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2820 * ipa-prop.h (struct ipa_param_call_note): Removed.
2821 (struct ipa_node_params): Removed field param_calls.
2822 (ipa_create_all_structures_for_iinln): Declare.
2823 * cgraph.c: Described indirect edges and uids in initial comment.
2824 (cgraph_add_edge_to_call_site_hash): New function.
2825 (cgraph_edge): Search also among the indirect edges, use
2826 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2827 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2828 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2830 (initialize_inline_failed): Assign a reason to indirect edges.
2831 (cgraph_create_edge_1): New function.
2832 (cgraph_create_edge): Moved some functionality to
2833 cgraph_create_edge_1.
2834 (cgraph_create_indirect_edge): New function.
2835 (cgraph_edge_remove_callee): Add an assert checking for
2837 (cgraph_edge_remove_caller): Special-case indirect edges.
2838 (cgraph_remove_edge): Likewise.
2839 (cgraph_set_edge_callee): New function.
2840 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2841 (cgraph_make_edge_direct): New function.
2842 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2843 the declaration of the call statement matches.
2844 (cgraph_node_remove_callees): Special-case indirect edges.
2845 (cgraph_clone_edge): Likewise.
2846 (cgraph_clone_node): Clone also the indirect edges.
2847 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2848 indirect_call, dump count of indirect_calls edges.
2849 * ipa-prop.c (iinlining_processed_edges): New variable.
2850 (ipa_note_param_call): Create indirect edges instead of
2851 creating notes. New parameter node.
2852 (ipa_analyze_call_uses): New parameter node, pass it on to
2853 ipa_note_param_call.
2854 (ipa_analyze_stmt_uses): Likewise.
2855 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2856 (print_edge_addition_message): Work on edges rather than on notes.
2857 (update_call_notes_after_inlining): Likewise, renamed to
2858 update_indirect_edges_after_inlining.
2859 (ipa_create_all_structures_for_iinln): New function.
2860 (ipa_free_node_params_substructures): Do not free notes.
2861 (ipa_edge_duplication_hook): Propagate bits within
2862 iinlining_processed_edges bitmap.
2863 (ipa_node_duplication_hook): Do not duplicate notes.
2864 (free_all_ipa_structures_after_ipa_cp): Renamed to
2865 ipa_free_all_structures_after_ipa_cp.
2866 (free_all_ipa_structures_after_iinln): Renamed to
2867 ipa_free_all_structures_after_iinln.
2868 (ipa_write_param_call_note): Removed.
2869 (ipa_read_param_call_note): Removed.
2870 (ipa_write_indirect_edge_info): New function.
2871 (ipa_read_indirect_edge_info): Likewise.
2872 (ipa_write_node_info): Do not stream notes, do stream information
2874 (ipa_read_node_info): Likewise.
2875 (lto_ipa_fixup_call_notes): Removed.
2876 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2877 * ipa-inline.c (pass_ipa_inline): Likewise.
2878 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2879 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2880 * tree-inline.c (copy_bb): Removed an unnecessary double check for
2882 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2884 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2885 (output_cgraph): Stream also indirect edges.
2886 (lto_output_edge): Added capability to stream indirect edges.
2887 (input_edge): Likewise.
2888 (input_cgraph_1): Likewise.
2889 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2892 2010-04-28 Richard Guenther <rguenther@suse.de>
2894 PR tree-optimization/43879
2895 PR tree-optimization/43909
2896 * tree-ssa-structalias.c (struct variable_info): Add
2897 only_restrict_pointers flag.
2898 (new_var_info): Initialize it. Increment stats.total_vars here.
2899 (create_function_info_for): Do not increment stats.total_vars here.
2900 (get_function_part_constraint): Fix build with C++.
2901 (insert_into_field_list): Remove.
2902 (push_fields_onto_fieldstack): Properly merge fields.
2903 (create_variable_info_for): Split and simplify.
2904 (create_variable_info_for_1): New piece.
2905 (intra_create_variable_infos): Properly make restrict constraints
2908 2010-04-28 Richard Guenther <rguenther@suse.de>
2911 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2913 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
2914 Jan Hubicka <hubicka@ucw.cz>
2916 * doc/invoke.texi (-Wsuggest-attribute=const,
2917 -Wsuggest-attribute=pure): Document.
2918 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2919 (function_always_visible_to_compiler_p,
2920 suggest_attribute, warn_function_pure, warn_function_const):
2922 (check_call): Improve debug info.
2923 (analyze_function): Do not check availability.
2924 (add_new_function): Check availability.
2925 (propagate): Output warnings.
2926 (skip_function_for_local_pure_const): New function.
2927 (local_pure_const): Use it; output warnings.
2928 * common.opt (Wsuggest-attribute=const,
2929 Wsuggest-attribute=pure): New.
2931 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2933 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2934 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2935 or DW_CFA_def_cfa_offset{,_sf}.
2937 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2939 * tree.h: Fix truncated long macros.
2941 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
2943 * collect2.c (TARGET_64BIT): Redefine to target's default.
2944 * tlink.c: Likewise.
2945 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2946 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2947 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2948 for underscoring __USER_LABEL_PREFIX__.
2949 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2950 (SUB_LINK_ENTRY32): New.
2951 (SUB_LINK_ENTRY64): New.
2952 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2953 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2954 (SUB_LINK_ENTRY64): New.
2955 (SUB_LINK_ENTRY): New.
2956 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2957 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2958 x64 target is choosen.
2959 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2960 * configure: Regenerated.
2961 * configure.ac (leading-mingw64-underscores): Option added.
2963 2010-04-27 Jan Hubicka <jh@suse.cz>
2965 * doc/invoke.texi (-fipa-profile): Document.
2966 * opts.c (decode_options): Enable ipa-profile at -O1.
2967 * timevar.def (TV_IPA_PROFILE): Define.
2968 * common.opt (fipa-profile): Add.
2969 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2971 (cgraph_propagate_frequency): Handle only local ones.
2972 * tree-pass.h (pass_ipa_profile): Declare.
2973 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2974 (pass_ipa_profile): Use TV_IPA_PROFILE.
2975 * ipa.c (ipa_profile): New function.
2976 (gate_ipa_profile): Likewise.
2977 (pass_ipa_profile): New global variable.
2978 * passes.c (pass_ipa_profile): New.
2980 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
2982 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2984 2010-04-27 Martin Jambor <mjambor@suse.cz>
2987 * ipa.c (dissolve_same_comdat_group_list): New function.
2988 (function_and_variable_visibility): Call
2989 dissolve_same_comdat_group_list when comdat group contains external or
2991 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2992 lists are circular and that they contain only DECL_ONE_ONLY nodes.
2994 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2996 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2997 (const_hash_1) <VECTOR_CST>: New case.
2998 (compare_constant) <VECTOR_CST>: Likewise.
2999 <ADDR_EXPR>: Deal with LABEL_REFs.
3000 (copy_constant) <VECTOR_CST>: New case.
3002 2010-04-27 Jan Hubicka <jh@suse.cz>
3004 * cgraph.c (cgraph_propagate_frequency): New function.
3005 * cgraph.h (cgraph_propagate_frequency): Declare.
3006 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
3007 cgraph_propagate_frequency.
3009 2010-04-27 Jakub Jelinek <jakub@redhat.com>
3011 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
3013 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
3016 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
3017 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
3018 here to determine which regs to push and how much stack to reserve.
3020 2010-04-27 Jie Zhang <jie@codesourcery.com>
3022 * doc/gimple.texi (gimple_statement_with_ops): Remove
3023 addresses_taken field.
3024 (gimple_statement_with_memory_ops): Likewise.
3026 2010-04-27 Jan Hubicka <jh@suse.cz>
3028 * tree-inline.c (eni_inlining_weights): Remove.
3029 (estimate_num_insns): Special case more builtins.
3031 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
3034 * c-typeck.c (build_binary_op): Move forward check for comparison
3035 pointer with null pointer constant and adjust the diagnostic message.
3037 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
3040 * configure.ac (gcc_cv_as_section_has_align): Set if installed
3041 binutils supports extended .section directive needed by LTO, or
3042 warn if older binutils found.
3043 (LTO_BINARY_READER): New AC_SUBST'd variable.
3044 (LTO_USE_LIBELF): Likewise.
3045 * gcc/config.gcc (lto_binary_reader): New target-specific configure
3047 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
3048 (LTO_USE_LIBELF): Likewise.
3049 * configure: Regenerate.
3051 * collect2.c (is_elf): Rename from this ...
3052 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
3053 object files in addition to ELF-formatted ones.
3054 (scan_prog_file): Caller updated. Also allow for LTO info marker
3055 symbol to be prefixed or not by an extra underscore.
3057 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
3058 * config/i386/winnt.c: Also #include lto-streamer.h
3059 (i386_pe_asm_named_section): Specify 1-byte section alignment for
3061 (i386_pe_asm_output_aligned_decl_common): Add comment.
3062 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
3064 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
3067 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
3068 Add missing earlyclobber for second alternative.
3070 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
3072 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
3073 bits for artificial defs at the top of the block.
3074 * fwprop.c (single_def_use_enter_block): Don't call it.
3076 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
3079 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
3080 instead of "$gcc_cv_objdump -T".
3081 Use "-undefined dynamic_lookup" on darwin.
3082 * gcc/configure: Regenerate.
3084 2010-04-26 Jakub Jelinek <jakub@redhat.com>
3087 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
3089 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
3091 * c-parser.c (struct c_token): Move location field up.
3092 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
3093 (struct c_declspecs): Convert typespec_word, storage_class, and
3094 default_int_p into bitfields.
3095 (struct c_declarator): Move loc field up.
3097 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
3099 * cfgloop.h (struct loop): Move can_be_parallel field up.
3100 * ipa-prop.h (struct ip_node_params): Move bitfields up.
3101 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
3103 (struct iv_cand): Convert pos field into a bitfield.
3104 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
3106 (struct _stmt_vec_info): Shuffle fields for better packing.
3108 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
3110 * varasm.c (IN_NAMED_SECTION): Remove guard.
3111 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
3112 (IN_NAMED_SECTION_P): ...this.
3113 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
3114 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3116 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
3118 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
3119 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
3120 of shadowing it. Fix comments.
3122 2010-04-26 Jan Hubicka <jh@suse.cz>
3124 * cgraph.c (cgraph_create_node): Set node frequency to normal.
3125 (cgraph_clone_node): Copy function frequency.
3126 * cgraph.h (node_frequency): New enum
3127 (struct cgraph_node): Add.
3128 * final.c (rest_of_clean_state): Update.
3129 * lto-cgraph.c (lto_output_node): Output node frequency.
3130 (input_overwrite_node): Input node frequency.
3131 * tre-ssa-loop-ivopts (computation_cost): Update.
3132 * lto-streamer-out.c (output_function): Do not output function
3134 * predict.c (maybe_hot_frequency_p): Update and handle functions
3136 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
3138 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
3139 (compute_function_frequency): Set noreturn functions to be executed
3141 (choose_function_section): Update.
3142 * lto-streamer-in.c (input_function): Do not input function frequency.
3143 * function.c (allocate_struct_function): Do not initialize function
3145 * function.h (function_frequency): Remove.
3146 (struct function): Remove function frequency.
3147 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
3148 (try_update): Update.
3149 * tree-inline.c (initialize_cfun): Do not update function frequency.
3150 * passes.c (pass_init_dump_file): Update.
3151 * i386.c (ix86_compute_frame_layout): Update.
3152 (ix86_pad_returns): Update.
3154 2010-04-26 Jie Zhang <jie@codesourcery.com>
3156 PR tree-optimization/43833
3157 * tree-vrp.c (range_int_cst_p): New.
3158 (range_int_cst_singleton_p): New.
3159 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
3160 when both operands are constants. Use range_int_cst_p in
3163 2010-04-26 Jan Hubicka <jh@suse.cz>
3165 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
3167 2010-04-26 Richard Guenther <rguenther@suse.de>
3170 * gimple.c (gimple_decl_printable_name): Deal gracefully
3171 with a NULL DECL_NAME.
3173 2010-04-26 Richard Guenther <rguenther@suse.de>
3176 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
3177 if emitting debug information and it is either a function
3178 or a namespace decl.
3180 2010-04-26 Ira Rosen <irar@il.ibm.com>
3182 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
3183 determine if the statement is vectorizable, and a macro to access it.
3184 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3185 Skip statements that can't be vectorized. If the analysis fails,
3186 mark the statement as unvectorizable if vectorizing basic block.
3187 (vect_compute_data_refs_alignment): Likewise.
3188 (vect_verify_datarefs_alignment): Skip statements marked as
3189 unvectorizable. Add print.
3190 (vect_analyze_group_access): Skip statements that can't be
3191 vectorized. If the analysis fails, mark the statement as
3192 unvectorizable if vectorizing basic block.
3193 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
3194 * tree-vect-stmts.c (vectorizable_store): Fix the number of
3195 generated stmts for SLP.
3196 (new_stmt_vec_info): Initialize the new field.
3197 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
3198 statements marked as unvectorizable.
3200 2010-04-25 Joseph Myers <joseph@codesourcery.com>
3202 * c-common.c (flag_isoc1x): New.
3203 (flag_isoc99): Update comment.
3204 * c-common.h (flag_isoc1x): New.
3205 (flag_isoc99): Update comment.
3206 * c-cppbuiltin.c (builtin_define_float_constants): Also define
3207 __<type>_DECIMAL_DIG__.
3208 * c-opts.c (set_std_c1x): New.
3209 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
3210 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
3211 * c.opt (-std=c1x, -std=gnu1x): New options.
3212 * doc/cpp.texi: Mention -std=c1x.
3213 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
3214 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
3215 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
3216 * doc/standards.texi: Mention C1X.
3217 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
3218 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
3219 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
3222 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
3224 * config/i386/gmon-sol2.c (_mcleanup): Change format string
3225 placeholder from 0x%x to %#x.
3226 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
3227 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
3228 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
3229 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
3230 * config/i386/i386.c (ix86_target_string): Ditto.
3231 (output_pic_addr_const): Ditto.
3232 (print_operand): Ditto.
3234 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
3236 * combine.c (find_split_point): Add third argument. Use it
3237 to find nested multiply-accumulate instructions. Adjust calls.
3238 (try_combine): Adjust call to find_split_point.
3240 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
3242 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
3244 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
3246 PR tree-optimization/41442
3247 * fold-const.c (merge_truthop_with_opposite_arm): New function.
3248 (fold_binary_loc): Call it.
3250 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
3252 * toplev.c (general_init): Set default for fdiagnostics-show-option.
3253 * opts.c (common_handle_option): Allow disabling it.
3254 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
3256 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
3258 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
3259 between modes if both types are integral.
3261 2010-04-23 Richard Guenther <rguenther@suse.de>
3263 PR tree-optimization/43572
3264 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
3266 2010-04-23 Richard Guenther <rguenther@suse.de>
3269 * tree-inline.c (tree_can_inline_p): Also check compatibility
3272 2010-04-23 Martin Jambor <mjambor@suse.cz>
3274 PR tree-optimization/43846
3275 * tree-sra.c (struct access): New flag grp_assignment_read.
3276 (build_accesses_from_assign): Set grp_assignment_read.
3277 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
3278 (enum mark_read_status): New type.
3279 (analyze_access_subtree): Propagate grp_assignment_read, create
3280 accesses also if both direct_read and root->grp_assignment_read.
3282 2010-04-23 Martin Jambor <mjambor@suse.cz>
3285 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
3286 function does not have type attributes.
3288 2010-04-23 Richard Guenther <rguenther@suse.de>
3291 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
3294 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3296 * sese.h (create_if_region_on_edge): Remove.
3298 * sese.c (create_if_region_on_edge): Make static.
3300 * tree-inline.c: Do not include ggc.h.
3302 * expr.c: Do not include ggc.h.
3304 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
3307 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
3310 * config/sh/sh.c (find_barrier): Don't emit a constant pool
3311 in the middle of insns for casesi_worker_2.
3313 2010-04-22 David Edelsohn <edelsohn@gnu.org>
3315 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
3317 2010-04-22 Ira Rosen <irar@il.ibm.com>
3319 PR tree-optimization/43842
3320 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
3321 loop unrolling in update of exit phis. Fix comment.
3322 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
3323 least two reduction statements in the loop before starting SLP
3326 2010-04-22 Nick Clifton <nickc@redhat.com>
3328 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
3330 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
3332 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
3335 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3337 * tree-parloops.c (loop_parallel_p): New argument
3338 parloop_obstack. Pass it down.
3339 (parallelize_loops): New variable parloop_obstack. Initialize it,
3340 pass it down, free it.
3342 * tree-loop-linear.c (linear_transform_loops): Pass down
3345 * tree-data-ref.h (lambda_compute_access_matrices): New argument
3346 of type struct obstack *.
3348 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
3349 scratch_obstack. Initialize it, pass down, free it.
3351 * lambda.h (lambda_loop_new): Remove.
3352 (lambda_matrix_new, lambda_matrix_inverse)
3353 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
3354 argument of type struct obstack *.
3356 * lambda-trans.c (lambda_trans_matrix_new): New argument
3357 lambda_obstack. Pass it down, use obstack allocation for ret.
3358 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
3361 * lambda-mat.c (lambda_matrix_get_column)
3362 (lambda_matrix_project_to_null): Remove.
3363 (lambda_matrix_new): New argument lambda_obstack. Use obstack
3365 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
3368 * lambda-code.c (lambda_loop_new): New function.
3369 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
3370 (lambda_compute_auxillary_space, lambda_compute_target_space)
3371 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
3372 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
3373 (build_access_matrix): New argument lambda_obstack. Use obstack
3375 (lambda_compute_step_signs, lambda_compute_access_matrices): New
3376 argument lambda_obstack. Pass it down.
3378 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3380 * optabs.h (expand_widening_mult): Declare.
3382 2010-04-22 Richard Guenther <rguenther@suse.de>
3384 PR tree-optimization/43845
3385 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3386 lookup the CALL_EXPR function and arguments.
3388 2010-04-22 Nick Clifton <nickc@redhat.com>
3390 * config/stormy16/stormy16.c
3391 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3392 * config/stormy16/stormy16.h: Tidy up formatting.
3393 (DONT_USE_BUILTIN_SETJMP): Remove definition.
3394 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3395 (ineqbranchsi): Delete pattern.
3396 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3397 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3398 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3399 stormy16-lib2-ucmpsi2.c.
3401 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3403 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3404 df_simulate_find_noclobber_defs as appropriate. Keep track of an
3405 extra set merge_set_noclobber, and use it to relax the final test
3407 * df.h (df_simulate_find_noclobber_defs): Declare.
3408 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3410 (df_simulate_find_noclobber_defs): New function.
3412 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
3414 * config/i386/i386.md: Use {} around multi-line preparation statements.
3416 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3418 * c-tree.h (push_init_level, pop_init_level, set_init_index)
3419 (process_init_element): New argument of type struct obstack *.
3421 * c-typeck.c (push_init_level, pop_init_level, set_designator)
3422 (set_init_index, set_init_label, set_nonincremental_init)
3423 (set_nonincremental_init_from_string, find_init_member)
3424 (output_init_element, output_pending_init_elements)
3425 (process_init_element): New argument braced_init_obstack. Pass it
3427 (push_range_stack, add_pending_init): New argument
3428 braced_init_obstack. Use obstack allocation.
3430 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3431 braced_init_obstack. Pass it down.
3432 (c_parser_braced_init): New variables ret, braced_init_obstack.
3433 Initialize obstack, pass it down and finally free it.
3435 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3438 * tree-pass.h (pass_optimize_widening_mul): Declare.
3439 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3440 gate_optimize_widening_mul): New static functions.
3441 (pass_optimize_widening_mul): New.
3442 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3443 <case MULT_EXPR>: Remove support for widening multiplies.
3444 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3445 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3446 simplify_gen_unary rather than directly building extensions.
3447 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3449 * expmed.c (expand_widening_mult): New function.
3450 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3452 2010-04-21 Jan Hubicka <jh@suse.cz>
3454 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3455 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3456 * lto-wpa-fixup.c: Remove.
3457 * Makefile.in (lto-wpa-fixup.o): Remove.
3458 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3459 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3460 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3462 2010-04-21 Jan Hubicka <jh@suse.cz>
3464 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3465 add write_optimization_summary, read_optimization_summary.
3466 (ipa_write_summaries_of_cgraph_node_set): Remove.
3467 (ipa_write_optimization_summaries): Declare.
3468 (ipa_read_optimization_summaries): Declare.
3469 * ipa-cp.c (pass_ipa_cp): Update.
3470 * ipa-reference.c (pass_ipa_reference): Update.
3471 * ipa-pure-const.c (pass_ipa_pure_const): Update.
3472 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3474 * ipa-inline.c (pass_ipa_inline): Update.
3475 * ipa.c (pass_ipa_whole_program): Update.
3476 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3477 * passes.c (ipa_write_summaries_1): Do not test wpa.
3478 (ipa_write_optimization_summaries_1): New.
3479 (ipa_write_optimization_summaries): New.
3480 (ipa_read_summaries): Do not test ltrans.
3481 (ipa_read_optimization_summaries_1): New.
3482 (ipa_read_optimization_summaries): New.
3484 2010-04-21 Jan Hubicka <jh@suse.cz>
3486 * lto-cgraph.c (lto_output_node): Do not output comdat groups
3488 (output_cgraph): Do not arrange comdat groups for boundary nodes.
3490 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3493 * dwarf2out.c (add_name_and_src_coords_attributes): Add
3494 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3496 2010-04-21 Jan Hubicka <jh@suse.cz>
3498 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3500 2010-04-21 Jan Hubicka <jh@suse.cz>
3502 * varpool.c (decide_is_variable_needed): Variable is always needed
3505 2010-04-21 Jan Hubicka <jh@suse.cz>
3507 * opts.c (decode_options): Enable pure-const pass for whopr.
3509 2010-04-21 Jan Hubicka <jh@suse.cz>
3511 * cgraph.c (dump_cgraph_node): Dump also assembler name.
3512 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3514 (cgraph_decide_inlining): Do not expect callee to be removed in all
3517 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
3519 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3521 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3523 * config/i386/i386.md (x86_shrd): Add athlon_decode and
3524 amdfam10_decode attributes.
3526 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3529 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3530 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3531 (lower_copyprivate_clauses): Use private var in outer
3532 context instead of original var. Make sure the types
3533 are correct for VLAs.
3535 2010-04-21 Richard Guenther <rguenther@suse.de>
3537 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3538 to non-pointer objects.
3540 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3542 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
3543 last chain entry if it starts with the still current label.
3544 (add_location_or_const_value_attribute): Check that
3545 loc_list->first->next is NULL instead of comparing ->first with ->last.
3546 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3547 to add_var_loc_to_decl.
3549 * dwarf2out.c (output_call_frame_info): For dw_cie_version
3550 >= 4 add also address size and segment size fields into CIE header.
3552 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3553 long as address size is the same as sizeof (void *) and
3555 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
3556 address size or segment size is unexpected, return DW_EH_PE_omit.
3557 (classify_object_over_fdes): If get_cie_encoding returned
3558 DW_EH_PE_omit, return -1.
3559 (init_object): If classify_object_over_fdes returned -1,
3560 pretend there were no FDEs at all.
3562 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3564 * config/i386/i386.md (bswap<mode>2): Macroize expander from
3565 bswap{si,di}2 using SWI48 mode iterator.
3566 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3567 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
3568 set modrm attribute of bswap insn to 0 and remove length attribute.
3569 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3570 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
3571 set mode attribute to <MODE> and remove length attribute.
3573 2010-04-20 James E. Wilson <wilson@codesourcery.com>
3575 PR rtl-optimization/43520
3576 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3577 zero available registers.
3579 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3581 * builtins.c (fold_builtin_cproj): Fold more cases.
3583 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3585 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3586 (fold_builtin_1): Fold builtin cproj.
3587 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3588 Use ATTR_CONST_NOTHROW_LIST.
3590 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
3592 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3593 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
3594 ffsi2_no_cmove for !TARGET_CMOVE.
3595 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
3596 (ffssi2): Remove expander.
3597 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3599 (ctz<mode>2): Ditto from ctz{si,di}2.
3600 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3602 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3605 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3607 * dwarf2out.c (AT_linkage_name): Define.
3608 (clone_as_declaration): Handle DW_AT_linkage_name.
3609 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3610 of DW_AT_MIPS_linkage_name.
3611 (move_linkage_attr): Likewise.
3612 (dwarf2out_finish): Likewise.
3614 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
3617 * fold-const.c (fold_comparison): New folding rule.
3619 2010-04-20 Anatoly Sokolov <aesok@post.ru>
3621 * double-int.h (double_int_setbit): Declare.
3622 * double-int.c (double_int_setbit): New function.
3623 * rtl.h (immed_double_int_const): Declare.
3624 * emit-rtl.c (immed_double_int_const): New function.
3625 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3626 and immed_double_int_const functions.
3627 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3628 expand_copysign_bit): (Ditto.).
3629 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3630 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3631 * dojump.c (prefer_and_bit_test): (Ditto.).
3632 * expr.c (convert_modes, reduce_to_bit_field_precision,
3633 const_vector_from_tree): (Ditto.).
3634 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3636 2010-04-20 Jan Hubicka <jh@suse.cz>
3638 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3639 (dump_cgraph_node): Dump new flags.
3640 * cgraph.h (struct cgraph_node): Add flags
3641 reachable_from_other_partition and in_other_partition.
3642 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3643 other partition can not be removed.
3644 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3645 the other partition must be output; silence sanity checking on
3646 leaking functions bodies from other paritition.
3647 * lto-cgraph.c (reachable_from_other_partition_p): New function.
3648 (lto_output_node): Output new flags; do not sanity check that inline
3649 clones are output; drop lto_forced_extern_inline_p code; do not mock
3650 visibility flags at partition boundaries.
3651 (add_node_to): New function.
3652 (output_cgraph): Use it to sort functions so masters appear before
3654 (input_overwrite_node): Input new flags.
3655 * passes.c (ipa_write_summaries): Do not call
3656 lto_new_extern_inline_states.
3657 * lto-section-out.c (forced_extern_inline,
3658 lto_new_extern_inline_states lto_delete_extern_inline_states,
3659 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3660 * lto-streamer.h (lto_new_extern_inline_states,
3661 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3662 lto_forced_extern_inline_p): Kill.
3664 2010-04-20 Richard Guenther <rguenther@suse.de>
3666 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3667 from vars that can have pointers.
3668 (process_constraint): Dump useless constraints.
3670 2010-04-20 Richard Guenther <rguenther@suse.de>
3672 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3673 (dump_sa_points_to_info): Remove asserts.
3674 (init_base_vars): nothing_id isn't an escape point nor does it
3677 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3679 * tree.h (TYPE_REF_IS_RVALUE): Define.
3680 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3681 should_move_die_to_comdat, prune_unused_types_walk): Handle
3682 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3683 (modified_type_die, gen_reference_type_die): Emit
3684 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3685 if TYPE_REF_IS_RVALUE and -gdwarf-4.
3687 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3690 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3691 calls for -fpic -m31 if they have been sibcall optimized.
3693 2010-04-19 James E. Wilson <wilson@codesourcery.com>
3695 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3696 ar.lc fixed and call-used.
3698 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3700 2010-04-19 Jan Hubicka <jh@suse.cz>
3702 * opts.c (decode_options): Disable whpr incompatible passes.
3703 * lto/lto.c (lto_1_to_1_map): Skip clones.
3704 (read_cgraph_and_symbols): Do not mark everything as needed.
3705 (do_whole_program_analysis): Do map only after optimizing;
3706 set proper cgraph_state; use passmanager.
3708 2010-04-19 DJ Delorie <dj@redhat.com>
3710 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3711 POINTER_PLUS_EXPR and fix them.
3713 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
3715 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3716 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3717 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3718 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3719 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3720 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3721 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3722 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3723 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3724 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3725 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3727 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
3729 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3730 (check_cond_move_block): Likewise.
3731 (cond_move_process_if_block): Likewise.
3732 (noce_find_if_block): Improve formatting.
3733 (find_if_header): Pass 0 to memset and tweak conditions.
3734 (cond_exec_find_if_block): Fix long lines and tweak conditions.
3736 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3738 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3742 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3743 with non-local decl doesn't need chain.
3745 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
3747 * ira-color.c (allocno_reload_assign): Avoid accumulating
3748 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3750 2010-04-19 Martin Jambor <mjambor@suse.cz>
3752 * gimple.h (create_tmp_reg): Declare.
3753 * gimplify.c (create_tmp_reg): New function.
3754 (gimplify_return_expr): Use create_tmp_reg.
3755 (gimplify_omp_atomic): Likewise.
3756 (gimple_regimplify_operands): Likewise.
3757 * tree-dfa.c (make_rename_temp): Likewise.
3758 * tree-predcom.c (predcom_tmp_var): Likewise.
3759 (reassociate_to_the_same_stmt): Likewise.
3760 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3761 (get_replaced_param_substitute): Likewise.
3762 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3763 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3764 * tree-ssa-pre.c (get_representative_for): Likewise.
3765 (create_expression_by_pieces): Likewise.
3766 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3767 (create_tailcall_accumulator): Likewise.
3769 2010-04-19 Martin Jambor <mjambor@suse.cz>
3771 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3773 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3775 2010-04-19 Richard Guenther <rguenther@suse.de>
3777 PR tree-optimization/43796
3778 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3779 from SCEV in the lattice.
3780 (vrp_visit_phi_node): Dump change.
3782 2010-04-19 Richard Guenther <rguenther@suse.de>
3784 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3785 * configure: Re-generated.
3787 2010-04-19 Richard Guenther <rguenther@suse.de>
3789 PR tree-optimization/43783
3790 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3791 constant ARRAY_REF operands two and three if possible.
3793 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
3796 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3798 2010-04-19 Jie Zhang <jie@codesourcery.com>
3801 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3803 2010-04-19 Ira Rosen <irar@il.ibm.com>
3805 PR tree-optimization/37027
3806 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3807 and macro to access it.
3808 (vectorizable_reduction): Add argument.
3809 (vect_get_slp_defs): Likewise.
3810 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3811 statements for possible use in SLP.
3812 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3813 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3814 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3816 (vectorizable_reduction): Likewise.
3817 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3819 (vectorizable_type_demotion, vectorizable_type_promotion,
3820 vectorizable_store): Likewise.
3821 (vect_analyze_stmt): Update call to vectorizable_reduction.
3822 (vect_transform_stmt): Likewise.
3823 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3824 (vect_build_slp_tree): Fix indentation. Check that there are no loads
3825 from different interleaving chains in same node.
3826 (vect_slp_rearrange_stmts): New function.
3827 (vect_supported_load_permutation_p): Allow load permutations for
3828 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3829 inside SLP nodes if necessary.
3830 (vect_analyze_slp_instance): Handle reductions.
3831 (vect_analyze_slp): Try to build SLP instances originating from groups
3833 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3834 (vect_get_constant_vectors): Create initial vectors for reductions
3835 according to reduction code. Add new argument.
3836 (vect_get_slp_defs): Add new argument, pass it to
3837 vect_get_constant_vectors.
3838 (vect_schedule_slp_instance): Remove SLP tree root statements.
3840 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3842 * tree.h (ENUM_IS_SCOPED): Define.
3843 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3844 for ENUM_IS_SCOPED enums.
3846 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
3848 * fold-const.c (fold_comparison): Use ssizetype.
3849 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3850 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3851 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3852 * tree-object-size.c (compute_object_sizes): Use size_type_node.
3854 * tree.h (initialize_sizetypes): Remove parameter.
3855 (build_common_tree_nodes): Remove second parameter.
3856 * stor-layout.c (initialize_sizetypes): Remove parameter.
3857 Always create an unsigned type.
3858 (set_sizetype): Assert that the passed type is unsigned and simplify.
3859 * tree.c (build_common_tree_nodes): Remove second parameter.
3860 Adjust call to initialize_sizetypes.
3861 * c-decl.c (c_init_decl_processing): Remove second argument in call to
3862 build_common_tree_nodes.
3864 2010-04-18 Matthias Klose <doko@ubuntu.com>
3866 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3868 2010-04-18 Ira Rosen <irar@il.ibm.com>
3870 PR tree-optimization/43771
3871 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3872 load permutation doesn't have gaps.
3874 2010-04-18 Jan Hubicka <jh@suse.cz>
3876 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3877 (sse_prologue_save_insn expander): Use new pattern.
3878 (sse_prologue_save_insn1): New pattern and splitter.
3879 (sse_prologue_save_insn): Update to deal also with 64bit aligned
3881 * i386.c (setup_incoming_varargs_64): Do not compute jump
3883 (ix86_gimplify_va_arg): Update alignment needed.
3884 (ix86_local_alignment): Do not align all local arrays to 128bit.
3886 2010-04-17 Jan Hubicka <jh@suse.cz>
3888 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3890 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3892 * arm.md (negdi2): Remove redundant code to force values into a
3895 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3897 * arm/bpabi.S: Add EABI alignment attributes to objects.
3898 * arm/bpabi-v6m.S: Likewise.
3899 * arm/crti.asm: Likewise.
3900 * arm/crtn.asm: Likewise.
3901 * arm/lib1funcs.asm: Likewise.
3902 * arm/libunwind.S: Likewise.
3904 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3906 * arm-protos.h (tune_params): New structure.
3907 * arm.c (current_tune): New variable.
3908 (arm_constant_limit): Delete.
3909 (struct processors): Add pointer to the tune parameters.
3910 (arm_slowmul_tune): New tuning option.
3911 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3912 (all_cores): Adjust to pick up the tuning model.
3913 (arm_constant_limit): New function.
3914 (arm_override_options): Select the appropriate tuning model. Delete
3915 initialization of arm_const_limit.
3916 (arm_split_constant): Use the new constant-limit model.
3917 (arm_rtx_costs): Pick up the current tuning model.
3918 * arm.md (is_strongarm, is_xscale): Delete.
3919 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3920 for Xscale variant architectures.
3921 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3923 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3925 * config/arm/arm.c (arm_gen_constant): Remove unused variable
3927 (arm_rtx_costs_1): Remove unused variable extra_cost.
3928 (arm_unwind_emit_set): Use variable offset.
3929 (thumb1_output_casesi): Remove unused variable flags.
3931 2010-04-16 Jeff Law <law@redhat.com>
3933 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3934 needing assignment rather than doing a two-phase assignment. Remove
3935 unused variable 'm'.
3937 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3940 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3942 2010-04-16 Doug Kwan <dougkwan@google.com>
3944 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3945 (next_operand_entry_id): New static variable.
3946 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3947 (add_to_ops_vec): Assigned unique ID to operand entry.
3948 (struct oecount_s): New field ID.
3949 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3950 (undistribute_ops_list): Assign unique IDs to oecounts.
3951 (init_reassoc): reset next_operand_entry_id.
3953 2010-04-16 Doug Kwan <dougkwan@google.com>
3955 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3956 missing left parenthesis.
3958 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
3960 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3961 *btdi_rex64 using SWI48 mode iterator.
3962 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3963 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3964 *jcc_btdi_mask_rex64.
3966 2010-04-16 Anatoly Sokolov <aesok@post.ru>
3968 * double-int.h (tree_to_double_int): Convert to macro.
3969 * double-int.c (tree_to_double_int): Remove.
3971 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3974 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3975 with want_address 2 and in case a single element list might be
3976 possible, call it again with want_address 0.
3978 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3980 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3981 case 'W' print operands for HI mode.
3982 * config/h8300/h8300.h (Y0, Y2) : New constraints.
3983 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3984 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3985 * config/h8300/predicate.md (bit_register_indirect_operand): New.
3987 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3989 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3990 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3991 #xx:3 and #xx:4 mode.
3993 * config/h8300/h8300.md (inverted load with HImode dest): Add
3994 support for H8300SX.
3996 * config/h8300/predicate.md (bit_operand): Allow immediate values that
3997 satisfy 'U' constraint.
3999 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4001 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
4002 * configure: Regenerate.
4003 * config.in: Regenerate.
4004 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
4007 2010-04-16 Richard Guenther <rguenther@suse.de>
4009 * tree.h (struct tree_decl_minimal): Move pt_uid ...
4010 (struct tree_decl_common): ... here.
4011 (DECL_PT_UID): Adjust.
4012 (SET_DECL_PT_UID): Likewise.
4013 (DECL_PT_UID_SET_P): Likewise.
4015 2010-04-16 Richard Guenther <rguenther@suse.de>
4017 PR tree-optimization/43572
4018 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
4019 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
4020 * tree-flow.h (is_call_clobbered): Remove.
4021 * tree-flow-inline.h (is_call_clobbered): Likewise.
4022 * tree-dfa.c (dump_variable): Do not dump call clobber state.
4023 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
4024 (execute_return_slot_opt): Adjust.
4025 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
4026 check for call clobbered vars here.
4027 (find_tail_calls): Move tailcall verification to the
4030 2010-04-16 Diego Novillo <dnovillo@google.com>
4032 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
4034 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
4037 * config/arm/arm.md (cbranchqi4): New pattern.
4038 * config/arm/predicates.md (const0_operand,
4039 cbranchqi4_comparison_operator): New predicates.
4041 2010-04-16 Richard Guenther <rguenther@suse.de>
4043 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
4044 (dump_gimple_stmt): Likewise.
4046 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
4048 * recog.h (struct recog_data): New field is_operator.
4049 (struct insn_operand_data): New field is_operator.
4050 * recog.c (extract_insn): Set recog_data.is_operator.
4051 * genoutput.c (output_operand_data): Emit code to set the
4053 * reload.c (find_reloads): Use it rather than testing for an
4054 empty constraint string.
4057 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
4058 If the previous insn is a cbranchsi4_insn with the same arguments,
4059 omit the compare instruction.
4061 * config/arm/arm.md (addsi3_cbranch): If destination is a high
4062 register, inputs must be low registers and we need a low register
4063 scratch. Handle alternative 2 like alternative 3.
4065 2010-04-16 Jakub Jelinek <jakub@redhat.com>
4067 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
4068 don't call get_addr on both. If one expression is a VALUE and
4069 the other a REG, check VALUE's locs if the REG isn't among them.
4071 2010-04-16 Christian Bruel <christian.bruel@st.com>
4073 * config/sh/sh.h (sh_frame_pointer_required): New function.
4074 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
4075 (flag_omit_frame_pointer) Set.
4076 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
4077 (rounded_frame_size): Adjust size with outgoing_args_size.
4078 (sh_set_return_address): Must return from stack pointer.
4079 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
4080 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
4081 (ACCUMULATE_OUTGOING_ARGS): Define.
4082 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
4083 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
4085 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
4088 * config/sh/sh.c (sh_legitimize_reload_address): Use
4089 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
4090 Remove a unneeded check for offset_base.
4092 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
4094 * configure: Regenerated.
4096 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4098 * config/s390/s390.c (s390_call_save_register_used): Switch back
4099 to HARD_REGNO_NREGS.
4101 2010-04-15 Richard Guenther <rguenther@suse.de>
4103 * alias.c (alias_set_subset_of): Handle alias-set zero
4106 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
4107 Julian Brown <julian@codesourcery.com>
4109 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
4110 alternatives according to use of high and low regs.
4111 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
4112 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
4113 optimizing for size on Thumb-2.
4115 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
4117 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
4119 2010-04-15 Richard Guenther <rguenther@suse.de>
4121 * tree-ssa-structalias.c (struct variable_info): Add
4123 (new_var_info): Initialize it.
4124 (dump_constraints): Support printing last added constraints.
4125 (debug_constraints): Adjust.
4126 (dump_constraint_graph): Likewise.
4127 (make_heapvar_for): Check for NULL cfun.
4128 (get_function_part_constraint): New function.
4129 (get_fi_for_callee): Likewise.
4130 (find_func_aliases): Properly implement IPA PTA constraints.
4131 (process_ipa_clobber): New function.
4132 (find_func_clobbers): Likewise.
4133 (insert_into_field_list_sorted): Remove.
4134 (create_function_info_for): Properly allocate vars for IPA mode.
4135 Do not use insert_into_field_list_sorted.
4136 (create_variable_info_for): Properly generate constraints for
4137 global vars in IPA mode.
4138 (dump_solution_for_var): Always dump the solution.
4139 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
4140 (find_what_var_points_to): Adjust.
4141 (pt_solution_set): Change.
4142 (pt_solution_ior_into): New function.
4143 (pt_solution_empty_p): Export.
4144 (pt_solution_includes_global): Adjust.
4145 (pt_solution_includes_1): Likewise.
4146 (pt_solutions_intersect_1): Likewise.
4147 (dump_sa_points_to_info): Check some invariants.
4148 (solve_constraints): Move constraint dumping ...
4149 (compute_points_to_sets): ... here.
4150 (ipa_pta_execute): ... and here.
4151 (compute_may_aliases): Do not re-compute points-to info
4152 locally if IPA info is available.
4153 (ipa_escaped_pt): New global var.
4154 (ipa_pta_execute): Properly implement IPA PTA.
4155 * tree-into-ssa.c (dump_decl_set): Support dumping
4156 decls not in referenced-vars.
4157 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
4158 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
4159 (dump_points_to_solution): Likewise.
4160 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
4161 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
4162 (remap_gimple_stmt): Reset call clobber/use information if necessary.
4163 (copy_decl_to_var): Copy DECL_PT_UID.
4164 (copy_result_decl_to_var): Likewise.
4165 * tree.c (make_node_stat): Initialize DECL_PT_UID.
4166 (copy_node_stat): Copy it.
4167 * tree.h (DECL_PT_UID): New macro.
4168 (SET_DECL_PT_UID): Likewise.
4169 (DECL_PT_UID_SET_P): Likewise.
4170 (struct tree_decl_minimal): Add pt_uid member.
4171 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
4172 (pt_solution_empty_p): Declare.
4173 (pt_solution_set): Adjust.
4174 (ipa_escaped_pt): Declare.
4175 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
4176 * gimple-pretty-print.c (pp_points_to_solution): New function.
4177 (dump_gimple_call): Dump call clobber/use information.
4178 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
4179 * tree-pass.h (TDF_ALIAS): New dump option.
4180 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
4181 * doc/invoke.texi (-fipa-pta): Update documentation.
4183 2010-04-15 Richard Guenther <rguenther@suse.de>
4185 * Makefile.in (OBJS-common): Add gimple-fold.o.
4186 (gimple-fold.o): New rule.
4187 * tree.h (maybe_fold_offset_to_reference,
4188 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
4190 * gimple.h: ... here.
4191 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
4192 may_propagate_address_into_dereference): Move prototypes ...
4193 * gimple.h: ... here.
4194 * tree-ssa-ccp.c (get_symbol_constant_value,
4195 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
4196 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
4197 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
4198 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
4199 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
4200 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
4201 gimplify_and_update_call_from_tree): Move ...
4202 * gimple-fold.c: ... here. New file.
4203 (ccp_fold_builtin): Rename to ...
4204 (gimple_fold_builtin): ... this.
4205 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
4207 2010-04-15 Richard Guenther <rguenther@suse.de>
4209 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
4210 fit_double_type, force_fit_type_double, add_double_with_sign,
4211 neg_double, mul_double_with_sign, lshift_double, rshift_double,
4212 lrotate_double, rrotate_double, div_and_round_double): Move ...
4213 * double-int.c: ... here.
4214 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
4215 add_double, neg_double, mul_double_with_sign, mul_double,
4216 lshift_double, rshift_double, lrotate_double, rrotate_double,
4217 div_and_round_double): Move prototypes ...
4218 * double-int.h: ... here.
4220 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
4223 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
4224 matching constraints to ensure inputs match the output.
4226 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
4229 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
4230 in an input-only operand.
4232 2010-04-15 Anatoly Sokolov <aesok@post.ru>
4234 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
4235 (double_int_not, double_int_lshift, double_int_rshift): Declare.
4236 (double_int_negative_p): Convert to static inline function.
4237 * double-int.c (double_int_lshift, double_int_lshift): New functions.
4238 (double_int_negative_p): Remove.
4239 * tree.h (lshift_double, rshift_double):
4240 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
4241 * fold-const.c (fold_convert_const_int_from_real,
4242 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
4243 (lshift_double): Change type of arith argument to bool.
4244 (rshift_double): Change type of arith argument to bool. Correct
4246 * expmed.c (mask_rtx, lshift_value): (Ditto.).
4248 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
4251 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
4252 at the start and end of the then/else blocks, and omit them from the
4254 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
4255 argument; all callers changed. Pass zero to old_insns_match_p instead.
4256 (flow_find_head_matching_sequence): New function.
4257 (old_insns_match_p): Check REG_EH_REGION notes for calls.
4258 * basic-block.h (flow_find_cross_jump,
4259 flow_find_head_matching_sequence): Declare functions.
4261 2010-04-14 Jason Merrill <jason@redhat.com>
4264 * c-common.c (attribute_takes_identifier_p): New fn.
4265 * c-common.h: Declare it.
4267 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4269 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
4271 (*udivmod<mode>4): Ditto.
4273 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4275 * config/i386/i386.md (maxmin_int): Rename code attribute from
4276 maxminiprefix and update all users.
4277 (maxmin_float): Ditto from maxminfprefix.
4278 (logic): Ditto from logicprefix.
4279 (absneg_mnemonic): Ditto from absnegprefix.
4280 * config/i386/mmx.md: Update all users of maxminiprefix,
4281 maxminfprefix and logicprefix for rename.
4282 * config/i386/sse.md: Ditto.
4283 * config/i386/sync.md (sync_<code><mode>): Update for
4286 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
4289 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
4290 warnings converted to errors.
4292 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4294 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
4295 used insn_type variable.
4296 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
4297 to avoid set-but-not-used warning.
4299 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4301 * df-core.c (df_ref_debug): Change format string placeholder
4303 * dwarf2asm.c (dw2_asm_output_data_raw,
4304 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
4305 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
4306 * dwarf2out.c (output_cfi, output_cfi_directive,
4307 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
4308 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
4310 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
4311 * print-rtl.c (print_rtx): Ditto.
4313 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
4316 * builtins.c (expand_builtin_pow_root): New function to expand pow
4317 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
4318 series of sqrt and cbrt calls under -ffast-math.
4319 (expand_builtin_pow): Call it.
4321 2010-04-14 Michael Matz <matz@suse.de>
4323 PR tree-optimization/42963
4324 * tree-cfg.c (touched_switch_bbs): New static variable.
4325 (group_case_labels_stmt): New function broken out from ...
4326 (group_case_labels): ... here, use the above.
4327 (start_recording_case_labels): Allocate touched_switch_bbs.
4328 (end_recording_case_labels): Deallocate it, call
4329 group_case_labels_stmt.
4330 (gimple_redirect_edge_and_branch): Remember index of affected BB.
4332 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4334 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
4337 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4339 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
4341 2010-04-13 Jan Hubicka <jh@suse.cz>
4343 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
4344 of optimized out static functions.
4345 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
4346 cost computation. Also sanity check for overflows.
4347 (update_caller_keys): Update cgraph_edge_badness call; properly
4348 update fibheap and sanity check that it is up to date.
4349 (add_new_edges_to_heap): Update cgraph_edge_badness.
4350 (cgraph_decide_inlining_of_small_function): Likewise;
4351 add sanity checking that badness in heap is up to date;
4352 improve dumping of reason; Update badness of calls to the
4353 offline copy of function currently inlined; dump badness
4354 of functions not inlined because of unit growth limits.
4356 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
4359 * c-common.c (pointer_int_sum): Disregard overflow that occured only
4360 because of sign-extension change when converting to sizetype here...
4361 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
4363 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
4364 the folding to constants. Remove redundant final conversion.
4365 (fold_binary) <associate>: Do not associate if the re-association of
4366 constants alone overflows.
4367 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
4368 to the end of the list.
4369 (multiple_of_p) <COND_EXPR>: New case.
4371 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
4373 * opt-functions.awk (opt_sanitized_name): New.
4375 * optc-gen.awk: Use it
4376 * opth-gen.awk: Use it.
4378 2010-04-13 Martin Jambor <mjambor@suse.cz>
4380 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
4381 (sra_modify_assign): Delete stmts loading dead data even if racc has no
4382 children. Call replace_uses_with_default_def_ssa_name to handle
4385 2010-04-13 Michael Matz <matz@suse.de>
4388 * builtins.c (expand_builtin_interclass_mathfn): Also create
4389 a register if the predicate doesn't match.
4391 2010-04-13 Diego Novillo <dnovillo@google.com>
4393 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
4394 * c-pch.c: Include timevar.h.
4395 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
4396 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
4397 * ggc-common.c: Include timevar.h.
4398 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
4399 * timevar.def (TV_PCH_SAVE): Define.
4400 (TV_PCH_CPP_SAVE): Define.
4401 (TV_PCH_PTR_REALLOC): Define.
4402 (TV_PCH_PTR_SORT): Define.
4403 (TV_PCH_RESTORE): Define.
4404 (TV_PCH_CPP_RESTORE): Define.
4406 2010-04-13 Michael Matz <matz@suse.de>
4408 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
4410 (can_reassociate_p): New function.
4411 (break_up_subtract_bb, reassociate_bb): Use it.
4413 2010-04-13 Richard Guenther <rguenther@suse.de>
4416 * builtins.c (c_readstr): Fix assert.
4418 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
4420 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
4421 when generating cltd insn.
4423 (*ashl<mode>3_1): Remove special handling for register operand 2.
4424 (*ashlsi3_1_zext): Ditto.
4425 (*ashlhi3_1): Ditto.
4426 (*ashlhi3_1_lea): Ditto.
4427 (*ashlqi3_1): Ditto.
4428 (*ashlqi3_1_lea): Ditto.
4429 (*<shiftrt_insn><mode>3_1): Ditto.
4430 (*<shiftrt_insn>si3_1_zext): Ditto.
4431 (*<shiftrt_insn>qi3_1_slp): Ditto.
4432 (*<rotate_insn><mode>3_1): Ditto.
4433 (*<rotate_insn>si3_1_zext): Ditto.
4434 (*<rotate_insn>qi3_1_slp): Ditto.
4436 2010-04-13 Richard Guenther <rguenther@suse.de>
4438 * tree-ssa-structalias.c (callused_id): Remove.
4439 (call_stmt_vars): New.
4440 (get_call_vi): Likewise.
4441 (lookup_call_use_vi): Likewise.
4442 (lookup_call_clobber_vi): Likewise.
4443 (get_call_use_vi): Likewise.
4444 (get_call_clobber_vi): Likewise.
4445 (make_transitive_closure_constraints): Likewise.
4446 (handle_const_call): Adjust to do per-call call-used handling.
4447 (handle_pure_call): Likewise.
4448 (find_what_var_points_to): Remove general callused handling.
4449 (init_base_vars): Likewise.
4450 (init_alias_vars): Initialize call_stmt_vars.
4451 (compute_points_to_sets): Process call-used and call-clobbered
4452 vars for call statements.
4453 (delete_points_to_sets): Free call_stmt_vars.
4455 2010-04-13 Richard Guenther <rguenther@suse.de>
4457 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4458 Only add RW dependence for dependence distance zero.
4459 Adjust maximal vectorization factor according to dependences.
4460 Move alignment handling ...
4461 (vect_find_same_alignment_drs): ... here. New function.
4462 (vect_analyze_data_ref_dependences): Adjust.
4463 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
4464 (vect_analyze_data_refs): Adjust minimal vectorization factor
4465 according to data references.
4466 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
4467 dependences before determining the vectorization factor.
4468 Analyze alignment after determining the vectorization factor.
4469 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
4470 dependences before alignment.
4471 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
4473 (vect_analyze_data_refs): Likewise.
4474 (MAX_VECTORIZATION_FACTOR): New define.
4476 2010-04-13 Duncan Sands <baldrick@free.fr>
4478 * except.h (lang_eh_type_covers): Remove.
4479 * except.c (lang_eh_type_covers): Likewise.
4481 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4482 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4484 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
4485 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
4486 UNITS_PER_LONG where it is ABI relevant.
4487 (s390_return_addr_rtx): Likewise.
4488 (s390_back_chain_rtx): Likewise.
4489 (s390_frame_area): Likewise.
4490 (s390_frame_info): Likewise.
4491 (s390_initial_elimination_offset): Likewise.
4492 (save_gprs): Likewise.
4493 (s390_emit_prologue): Likewise.
4494 (s390_emit_epilogue): Likewise.
4495 (s390_function_arg_advance): Likewise.
4496 (s390_function_arg): Likewise.
4497 (s390_va_start): Likewise.
4498 (s390_gimplify_va_arg): Likewise.
4499 (s390_function_profiler): Likewise.
4500 (s390_optimize_prologue): Likewise.
4501 (s390_rtx_costs): Likewise.
4502 (s390_secondary_reload): Likewise.
4503 (s390_promote_function_mode): Likewise.
4504 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
4505 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
4506 registers available.
4507 (s390_unwind_word_mode): New function.
4508 (s390_function_value): Split 64 bit values into register pair if
4509 used as return value.
4510 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
4511 function call parameters. Handle parallels.
4512 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
4513 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4514 (DWARF_CIE_DATA_ALIGNMENT): New macro.
4515 (s390_expand_setmem): Remove unused variable src_addr.
4516 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
4517 deal with 64 bit registers.
4518 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
4519 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
4520 (UNITS_PER_LONG): New macro.
4521 * libjava/include/s390-signal.h: Define extended ucontext
4522 structure containing the upper halfs of the 64 bit registers.
4524 2010-04-13 Simon Baldwin <simonb@google.com>
4526 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
4528 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
4530 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
4531 rvalue on the RHS if the LHS is of a non-renamable type.
4532 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
4534 2010-04-13 Matthias Klose <doko@ubuntu.com>
4536 * gcc.c (cc1_options): Handle -iplugindir before processing
4537 the cc1 spec. Only add -iplugindir once.
4538 (cpp_unique_options): Add -iplugindir option if -fplugin* options
4540 * common.opt (iplugindir): Remove `Separate' property, initialize.
4541 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
4543 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
4544 (distclean): Remove plugin dir.
4545 * doc/invoke.texi: Document -iplugindir.
4547 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
4549 * doc/plugins.texi (Loading Plugins): Document short
4550 -fplugin=foo option.
4551 (Plugin API): Mention default_plugin_dir_name function.
4553 * gcc.c (find_file_spec_function): Add new declaration.
4554 (static_spec_func): Use it for "find-file".
4555 (find_file_spec_function): Add new function.
4556 (cc1_options): Add -iplugindir option if -fplugin* options found.
4558 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
4560 * plugin.c (add_new_plugin): Updated comment, and handle short
4562 (default_plugin_dir_name): Added new function.
4564 * common.opt (iplugindir): New option to set the plugin directory.
4566 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
4568 * config/i386/i386.md (any_rotate): New code iterator.
4569 (rotate_insn): New code attribute.
4571 (SWIM124): New mode iterator.
4572 (<rotate_insn>ti3): New expander.
4573 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
4574 any_rotate code iterator.
4575 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
4576 using any_rotate code iterator and SWIM124 mode iterator.
4577 (ix86_rotlti3): New insn_and_split pattern.
4578 (ix86_rotrti3): Ditto.
4579 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
4580 ix86_rotl{di,ti}3 patterns.
4581 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
4582 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
4583 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
4584 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
4585 code iterator and SWI mode iterator.
4586 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
4587 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
4589 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
4590 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
4591 (bswap rotatert splitter): Add splitter.
4592 (bswap splitter): Macroize splitter using any_rotate code iterator.
4593 Add insn predicate to split only for TARGET_USE_XCHGB or when
4594 optimizing function for size.
4596 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4598 * config/pa/pa.c (emit_move_sequence): Remove use of
4599 deleted variable flag_argument_noalias.
4601 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4603 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
4605 Add to unsupported targets list.
4606 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
4607 sparc*-sun-solaris2.[567]* from target lists.
4608 * configure: Regenerate.
4609 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
4611 Remove Solaris 7 patch references.
4612 (Specific, sparc-sun-solaris2.7): Removed.
4613 (sparc-sun-solaris2*): Update Solaris 7 example.
4614 (sparc64-*-solaris2*): Likewise.
4616 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4618 * config.build (alpha*-dec-osf4*): Remove.
4619 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
4620 of obsolete configurations.
4621 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
4623 * config/alpha/t-osf4: Renamed to ...
4624 * config/alpha/t-osf5: ... this.
4625 * config/alpha/osf.h: Renamed to ...
4626 * config/alpha/osf5.h: ... this.
4627 Merged old osf5.h contents.
4629 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
4630 (EXTRA_SPECS): Removed.
4631 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
4632 reflect removal of Tru64 UNIX V4.0/V5.0 support.
4635 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4637 * doc/contrib.texi (Contributors, Rainer Orth): Update.
4639 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
4642 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
4643 __thiscall convention.
4645 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4647 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
4649 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
4651 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4653 * function.c (assign_parms_initialize_all): Add unused attribute
4656 2010-04-12 Richard Guenther <rguenther@suse.de>
4658 * gsstruct.def (GSS_CALL): New.
4659 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
4660 * gimple.h: Include tree-ssa-alias.h.
4661 (struct gimple_statement_call): New.
4662 (union gimple_statement_struct_d): Add gimple_call member.
4663 (gimple_call_reset_alias_info): Declare.
4664 (gimple_call_use_set): New function.
4665 (gimple_call_clobber_set): Likewise.
4666 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
4667 * gimple.c (gimple_call_reset_alias_info): New function.
4668 (gimple_build_call_1): Call it.
4669 * lto-streamer-in.c (input_gimple_stmt): Likewise.
4670 * tree-inline.c (remap_gimple_stmt): Likewise.
4671 (expand_call_inline): Remove callused handling.
4672 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
4673 * tree-dfa.c (dump_variable): Likewise.
4674 * tree-parloops.c (parallelize_loops): Likewise.
4675 * tree-ssa.c (init_tree_ssa): Likewise.
4676 (delete_tree_ssa): Likewise.
4677 * tree-flow-inline.h (is_call_used): Remove.
4678 * tree-flow.h (struct gimple_df): Remove callused member.
4679 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
4680 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
4681 (ref_maybe_used_by_call_p_1): Simplify.
4682 (call_may_clobber_ref_p_1): Likewise.
4683 * tree-ssa-structalias.c (compute_points_to_sets): Set
4684 the call stmt used and clobbered sets.
4685 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
4686 (find_tail_calls): Verify the tail call.
4688 2010-04-12 Richard Guenther <rguenther@suse.de>
4690 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
4691 single-iteration always-inline inlining.
4692 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
4693 (cgraph_decide_inlining): Do not handle always-inline specially.
4694 (try_inline): Remove always-inline cycle detection special case.
4695 Do not recurse on always-inlines.
4696 (cgraph_early_inlining): Do not iterate if not optimizing.
4697 (cgraph_gate_early_inlining): remove.
4698 (pass_early_inline): Run unconditionally.
4699 (gate_cgraph_decide_inlining): New function.
4700 (pass_ipa_inline): Use it. Do not run the IPA inliner if
4701 not inlining or optimizing.
4702 (cgraph_decide_inlining_of_small_functions): Also consider
4703 always-inline functions.
4704 (cgraph_default_inline_p): Return true for nodes which should
4705 disregard inline limits.
4706 (estimate_function_body_sizes): Assume zero size and time for
4707 nodes which are marked as disregarding inline limits.
4708 (cgraph_decide_recursive_inlining): Do not perform recursive
4709 inlining on always-inline nodes.
4711 2010-04-12 Jakub Jelinek <jakub@redhat.com>
4714 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
4715 for exprs satisfying handled_component_p.
4717 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
4719 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
4720 non-constant aggregate elements.
4722 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
4723 is a real initialization.
4725 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
4728 * c-decl.c (start_function): Move forward check for nested function.
4730 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
4732 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
4733 * config/sh/sh.c: Include reload.h.
4734 (sh_legitimize_reload_address): New.
4735 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
4736 sh_legitimize_reload_address.
4738 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4740 * config/sh/sh.md (*movqi_pop): New insn pattern.
4741 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
4743 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4745 * config/i386/i386.md (any_shiftrt): New code iterator.
4746 (shiftrt_insn): New code attribute.
4748 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
4749 using any_shiftrt code iterator.
4750 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
4751 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
4752 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
4753 pattern from corresponding peephole2 patterns.
4754 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
4755 using any_shiftrt code iterator.
4756 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
4757 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
4758 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
4759 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
4760 *{ashr,lshr}<mode>3_cmp_zext.
4761 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
4763 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4765 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
4767 (*lshr<mode>3_cconly): Ditto.
4769 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4771 * config/i386/i386.md (lshr<mode>3): Macroize expander from
4772 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4773 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4774 pattern from *lshr{di,ti}3_1 and corresponding splitters using
4776 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4777 from corresponding peephole2 patterns.
4778 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
4779 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
4780 and *lshrdi3_1_rex64 using SWI mode iterator.
4781 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
4782 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
4783 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
4784 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
4785 and *lshrdi3_cmp_rex64 using SWI mode iterator.
4786 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
4787 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
4788 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
4789 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
4792 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
4794 * config/i386/i386.md (ashr<mode>3): Macroize expander from
4795 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4796 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4797 pattern from *ashr{di,ti}3_1 and corresponding splitters using
4799 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4800 from corresponding peephole2 patterns.
4801 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
4802 (ashrsi3_cvt): Rename from ashrsi3_31.
4803 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
4804 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
4805 and x86_64_shift_adj_3 using SWI48 mode iterator.
4806 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
4807 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
4808 and *ashrdi3_1_rex64 using SWI mode iterator.
4809 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
4810 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
4811 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
4812 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
4813 and *ashrdi3_cmp_rex64 using SWI mode iterator.
4814 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
4815 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
4816 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
4817 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
4819 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
4820 * config/i386/i386.c (ix86_split_ashr): Update for renamed
4821 x86_shift<mode>_adj_3 expanders.
4823 2010-04-10 Wei Guozhi <carrot@google.com>
4826 * config/arm/arm.c (arm_pic_static_addr): New function.
4827 (legitimize_pic_address): Call arm_pic_static_addr when it detects
4829 (arm_output_addr_const_extra): Output expression for new pattern.
4830 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
4832 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
4834 * ira-costs.c (record_reg_classes): Ignore alternatives that are
4837 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
4838 * web.c: Include "insn-config.h" and "recog.h".
4839 (union_match_dups): New function.
4840 (web_main): Call it.
4841 (union_defs): Don't try to recognize match_dups.
4843 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
4844 if doing so would replace the entire pattern.
4846 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4850 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
4851 and splitter pattern. Change splitter operand 1 predicate to
4854 2010-04-09 Martin Jambor <mjambor@suse.cz>
4856 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
4857 lattices are addresses of CONST_DECLs with the same initial value.
4858 (ipcp_print_all_lattices): Print values of CONST_DECLs.
4859 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
4861 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
4862 Bernd Schmidt <bernds@codesourcery.com>
4864 * loop-invariant.c (replace_uses): New static function.
4865 (move_invariant_reg): Use it to ensure we can replace the uses.
4867 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
4869 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
4871 (picochip_override_options): Enable section anchors only above -O1.
4872 (picochip_reorg): Fixed a couple of build warnings.
4874 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4876 * configure.ac (plugin -rdynamic test): Log result.
4877 * configure: Regenerate.
4878 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
4879 (RDYNAMIC_SPEC): Define.
4880 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
4882 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4884 * configure.ac: Determine Sun ld version numbers.
4885 (comdat_group): Restrict GNU ld version checks to gld.
4886 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
4887 (enable_comdat): Support --enable-comdat.
4888 * configure: Regenerate.
4889 * doc/install.texi (Configuration): Document --enable-comdat.
4891 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4893 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
4894 * config/sol2-gld.h: ... here.
4895 * config.gcc (sparc*-*-solaris2*): Reflect this.
4896 (i[34567]86-*-solaris2*): Use it.
4898 2010-04-09 Steve Ellcey <sje@cup.hp.com>
4900 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
4902 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
4904 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4907 * diagnostic.c (diagnostic_initialize): Initialize
4908 some_warnings_are_errors.
4909 (diagnostic_finish): New.
4910 (diagnostic_action_after_output): Call it before exiting.
4911 (diagnostic_report_diagnostic): Do not print message here. Set
4912 some_warnings_are_errors.
4913 * diagnostic.h (diagnostic_context): Delete
4914 issue_warnings_are_errors_message. Add some_warnings_are_errors.
4915 (diagnostic_finish): Declare.
4916 * toplev.c (toplev_main): Call it before exit.
4918 2010-04-09 Jason Merrill <jason@redhat.com>
4921 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
4922 for incomplete type.
4925 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
4926 based on a warning flag.
4928 2010-04-09 Richard Guenther <rguenther@suse.de>
4930 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
4932 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
4935 * varasm.c (default_assemble_visibility): Wrap vars that are
4936 set, but unused, by targets without GAS.
4937 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
4938 Remove set, but unused, vars.
4939 (rs6000_legitimize_tls_address): Likewise.
4940 (altivec_expand_dst_builtin): Likewise.
4941 * config/darwin.c (machopic_classify_symbol): Likewise.
4942 (machopic_indirection_name): Likewise.
4944 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4946 * config/i386/i386.md (DWI): New mode iterator.
4947 (S): New mode attribute.
4948 (shift_operand): Ditto.
4949 (shift_immediate_operand): Ditto.
4950 (ashl_input_operand): Ditto.
4951 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
4952 using SDWIM mode iterator.
4953 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
4954 pattern from *ashl{di,ti}3_1 and corresponding splitters using
4956 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
4957 from corresponding peephole2 patterns.
4958 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
4959 and x86_64_shift_adj_1 using SWI48 mode iterator.
4960 (x86_shift<mode>_adj_2): Ditto.
4961 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
4962 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
4963 using SWI48 mode iterator.
4964 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
4965 *ashldi3_cmp_rex64 using SWI mode iterator.
4966 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
4967 *ashldi3_cconly_rex64 using SWI mode iterator.
4968 * config/i386/i386.c (ix86_split_ashl): Update for renamed
4969 x86_shift<mode>_adj_{1,2}.
4970 (ix86_split_ashr): Ditto.
4971 (ix86_split_lshr): Ditto.
4973 2010-04-09 Richard Guenther <rguenther@suse.de>
4975 * target.h (builtin_conversion): Pass in input and output types.
4976 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
4977 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
4978 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
4979 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
4981 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
4983 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
4985 2010-04-09 Richard Guenther <rguenther@suse.de>
4988 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
4990 2010-04-09 Richard Guenther <rguenther@suse.de>
4992 * tree-vectorizer.h (struct _stmt_vec_info): Document
4993 that vectype is the type of the LHS.
4994 (supportable_widening_operation, supportable_narrowing_operation):
4995 Get both input and output vector types as arguments.
4996 (vect_is_simple_use_1): Declare.
4997 (get_same_sized_vectype): Likewise.
4998 * tree-vect-loop.c (vect_determine_vectorization_factor):
4999 Set STMT_VINFO_VECTYPE to the vector type of the def.
5000 (vectorizable_reduction): Adjust.
5001 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
5002 Adjust. Specify the output vector type.
5003 (vect_pattern_recog_1): Adjust.
5004 * tree-vect-stmts.c (get_same_sized_vectype): New function.
5005 (vectorizable_call): Adjust.
5006 (vectorizable_conversion): Likewise.
5007 (vectorizable_operation): Likewise.
5008 (vectorizable_type_demotion): Likewise.
5009 (vectorizable_type_promotion): Likewise.
5010 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
5012 (vect_is_simple_use_1): New function.
5013 (supportable_widening_operation): Get both input and output
5015 (supportable_narrowing_operation): Likewise.
5016 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
5018 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
5020 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
5021 __thiscall and _thiscall as predefined macros.
5022 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
5023 thiscall attribute handling.
5024 (ix86_comp_type_attributes): Likewise.
5025 (ix86_function_regparm): Likewise.
5026 (ix86_return_pops_args): Likewise.
5027 (init_cumulative_args): Likewise.
5028 (find_drap_reg): Likewise.
5029 (ix86_static_chain): Likewise.
5030 (x86_this_parameter): Likewise.
5031 (x86_output_mi_thunk): Likewise.
5032 (ix86_attribute_table): Add description for thiscall attribute.
5033 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
5034 * doc/extend.texi: Add documentation for thiscall.
5036 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
5039 * c.opt (Wint-to-pointer-cast): Available in C++.
5040 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
5042 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
5044 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
5045 * calls.c (expand_call): Pass the function type to aggregate_value_p.
5046 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
5047 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
5048 function type instead. Reorder and simplify checks.
5050 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
5052 2010-04-08 Jing Yu <jingyu@google.com>
5053 Zdenek Dvorak <ook@ucw.cz>
5055 PR tree-optimization/42720
5056 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
5057 loop unswitch conditions here from ...
5058 (tree_unswitch_single_loop): ... here.
5060 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
5062 * tree-if-conv.c: Fix comments and simplify logic.
5064 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
5066 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
5067 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
5068 (main_tree_if_conversion): Update call to tree_if_conversion.
5070 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
5073 * doc/invoke.texi (-b,-V): Delete.
5074 * doc/tm.texi: Do not mention -b.
5075 * gcc.c (display_help): Delete -b and -V.
5076 (process_command): Delete -b and -V.
5077 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
5079 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
5080 Wolfgang Gellerich <gellerich@de.ibm.com>
5082 Implement target hook for loop unrolling
5083 * target.h (loop_unroll_adjust): Add a new target hook function.
5084 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
5085 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
5086 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
5087 (s390_loop_unroll_adjust): Implement the new target hook for s390.
5088 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
5090 (decide_unroll_stupid): Likewise.
5092 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5095 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
5097 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5099 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
5100 (Specific, *-*-solaris2*): Likewise.
5101 Don't prefer Sun as over GNU as.
5103 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
5105 * config/s390/s390.c (override_options): Adjust the z10 defaults
5106 for max-unroll-times, max-completely-peeled-insns
5107 and max-completely-peel-times.
5109 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5111 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
5112 instructions for z10.
5113 (s390_expand_setmem): Likewise.
5114 (s390_expand_cmpmem): Likewise.
5116 2010-04-08 Richard Guenther <rguenther@suse.de>
5118 PR tree-optimization/43679
5119 * tree-ssa-pre.c (eliminate): Only propagate copies.
5121 2010-04-08 Jakub Jelinek <jakub@redhat.com>
5124 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
5125 set but not used variable warning.
5127 2010-04-08 Wei Guozhi <carrot@google.com>
5130 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
5131 (arm_size_rtx_costs): Call the new function when optimized for size.
5133 2010-04-08 Jakub Jelinek <jakub@redhat.com>
5136 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
5137 op0 is not a MEM, just return NULL instead of assertion
5139 (discover_nonconstant_array_refs): Don't walk debug stmts.
5141 2010-04-08 Doug Kwan <dougkwan@google.com>
5143 * configure.ac: Recognize gold and do not use its version number
5144 to test ld features.
5145 * configure: Regenerate.
5147 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
5150 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
5151 (negate_value): Move code to push elements to broken_up_substracts ...
5152 (eliminate_plus_minus_pair): ... here. Push operands that have no
5153 negative pair to plus_negates.
5154 (repropagate_negates, init_reassoc, fini_reassoc): Update.
5156 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5158 * doc/install.texi (Configuration): Move description of
5159 --enable-lto, --with-libelf*, --enable-gold from Java section to
5162 * doc/generic.texi (Working with declarations)
5163 (Function Properties, C and C++ Trees): Fix typos.
5164 * doc/sourcebuild.texi (Top Level): Likewise.
5166 2010-04-07 Jakub Jelinek <jakub@redhat.com>
5169 * tree.h (DECL_READ_P): Define.
5170 (struct tree_decl_common): Add decl_read_flag.
5171 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
5172 a set but not used warning.
5173 (merge_decls): Merge DECL_READ_P flag.
5174 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
5175 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
5176 * c-common.c (handle_used_attribute, handle_unused_attribute):
5178 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
5180 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
5182 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
5183 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
5184 c_parser_binary_expression, c_parser_cast_expression,
5185 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
5186 Call default_function_array_read_conversion instead of
5187 default_function_array_conversion where needed.
5188 (c_parser_unary_expression, c_parser_conditional_expression,
5189 c_parser_postfix_expression_after_primary, c_parser_initelt):
5190 Likewise. Call mark_exp_read where needed.
5191 (c_parser_statement_after_labels, c_parser_asm_operands,
5192 c_parser_typeof_specifier, c_parser_sizeof_expression,
5193 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
5195 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
5197 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
5198 (warn_unused_but_set_parameter): Default to warn_unused
5200 * doc/invoke.texi: Document -Wunused-but-set-variable and
5201 -Wunused-but-set-parameter.
5203 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
5204 used count variable.
5205 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
5206 when operandN variables aren't used in the body of the expander
5208 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
5209 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
5210 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
5211 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
5212 FOR_EACH_IMM_USE_ON_STMT): Likewise.
5213 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
5214 * tree.c (PROCESS_ARG): Likewise.
5216 2010-04-07 Simon Baldwin <simonb@google.com>
5218 * diagnostic.h (diagnostic_override_option_index): New macro to
5219 set a diagnostic's option_index.
5220 * c-tree.h (c_cpp_error): Add warning reason argument.
5221 * opts.c (_warning_as_error_callback): New.
5222 (register_warning_as_error_callback): Store callback for
5223 warnings enabled via enable_warning_as_error.
5224 (enable_warning_as_error): Call callback, minor code tidy.
5225 * opts.h (register_warning_as_error_callback): Declare.
5226 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
5227 response to -Werror=.
5228 (c_common_init_options): Register warning_as_error_callback in opts.c.
5229 * common.opt: Add -Wno-cpp option.
5230 * c-common.c (struct reason_option_codes_t): Map cpp warning
5231 reason codes to gcc option indexes.
5232 * (c_option_controlling_cpp_error): New function, lookup the gcc
5233 option index for a cpp warning reason code.
5234 * (c_cpp_error): Add warning reason argument, call
5235 c_option_controlling_cpp_error for diagnostic_override_option_index.
5236 * doc/invoke.texi: Document -Wno-cpp.
5238 2010-04-07 Richard Guenther <rguenther@suse.de>
5240 * ipa-reference.c (mark_load): Use get_base_address.
5241 (mark_store): Likewise.
5243 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
5244 inserting GIMPLE_NOPs into the IL.
5245 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5246 Explicitly strip handled components and indirect references.
5248 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
5249 folding address expressions.
5250 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
5251 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
5252 operand_equal_p to compare decls.
5253 (ptr_deref_may_alias_decl_p): Likewise.
5254 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
5255 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
5256 Handle reversed comparison ops.
5257 * tree-sra.c (asm_visit_addr): Use get_base_address.
5258 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
5259 * ipa-reference.c (mark_address): Use get_base_address.
5261 2010-04-07 Richard Guenther <rguenther@suse.de>
5263 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
5264 Propagate constants everywhere.
5266 2010-04-07 Jakub Jelinek <jakub@redhat.com>
5269 * tree.c (MAX_INT_CACHED_PREC): Define.
5270 (nonstandard_integer_type_cache): New array.
5271 (build_nonstandard_integer_type): Cache results for precision
5272 <= MAX_INT_CACHED_PREC.
5274 2010-04-07 Richard Guenther <rguenther@suse.de>
5276 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
5277 -fargument-noalias-global, -fargument-noalias-anything): Remove.
5278 * common.opt: Likewise.
5279 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
5280 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
5281 (nonoverlapping_memrefs_p): Likewise.
5282 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5283 * opts.c (common_handle_option): Handle OPT_fargument_alias,
5284 OPT_fargument_noalias, OPT_fargument_noalias_anything and
5285 OPT_fargument_noalias_global for backward compatibility.
5287 2010-04-07 Richard Guenther <rguenther@suse.de>
5289 PR tree-optimization/43270
5290 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
5291 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
5292 * tree-ssa-pre.c (phi_translate_1): Adjust.
5293 (fully_constant_expression): Split out vn_reference handling to ...
5294 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
5295 Fold reads from constant strings.
5296 (vn_reference_lookup): Handle fully constant references.
5297 (vn_reference_lookup_pieces): Likewise.
5298 * Makefile.in (expmed.o-warn): Add -Wno-error.
5300 2010-04-07 Martin Jambor <mjambor@suse.cz>
5302 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
5304 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
5307 * gcc.c: Add -static-libstdc++ to list of recognized options.
5309 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5311 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
5313 2010-04-07 Richard Guenther <rguenther@suse.de>
5316 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
5317 bases build simple mem attributes to retain points-to information.
5319 2010-04-07 Richard Guenther <rguenther@suse.de>
5322 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
5323 preserve points-to related information.
5325 2010-04-07 Richard Guenther <rguenther@suse.de>
5328 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
5329 discard plain indirect references.
5330 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
5331 * tree.c (tree_nop_conversion): Likewise.
5333 2010-04-07 Dodji Seketeli <dodji@redhat.com>
5336 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
5338 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
5340 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
5341 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
5343 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
5345 * tree-if-conv.c: Fix indentation and comments.
5347 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
5349 * tree-if-conv.c: Sort static functions in topological order.
5351 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
5353 * tree-if-conv.c: Fix indentation and comments.
5355 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5358 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
5359 lang_hooks.types.type_for_size instead of
5360 build_nonstandard_integer_type.
5361 When converting an unsigned type to signed, double its precision.
5362 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
5363 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
5364 (graphite_create_new_loop_guard): When ub + 1 wraps around,
5367 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5370 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
5371 POINTER_PLUS_EXPR for pointer types.
5373 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5376 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
5377 * graphite-clast-to-gimple.c: Include langhooks.h.
5378 (max_signed_precision_type): New.
5379 (max_precision_type): Takes two types as arguments.
5380 (precision_for_value): New.
5381 (precision_for_interval): New.
5382 (gcc_type_for_interval): New.
5383 (gcc_type_for_value): New.
5384 (gcc_type_for_clast_term): New.
5385 (gcc_type_for_clast_red): New.
5386 (gcc_type_for_clast_bin): New.
5387 (gcc_type_for_clast_expr): Split up into several functions.
5388 (gcc_type_for_clast_eq): Rewritten.
5389 (compute_bounds_for_level): New.
5390 (compute_type_for_level_1): New.
5391 (compute_type_for_level): New.
5392 (gcc_type_for_cloog_iv): Removed.
5393 (gcc_type_for_iv_of_clast_loop): Rewritten.
5394 (graphite_create_new_loop): Compute the lower and upper bound types
5395 with gcc_type_for_clast_expr.
5396 (graphite_create_new_loop_guard): Same.
5397 (find_cloog_iv_in_expr): Removed.
5398 (compute_cloog_iv_types_1): Removed.
5399 (compute_cloog_iv_types): Removed.
5400 (gloog): Do not call compute_cloog_iv_types.
5401 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
5403 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
5404 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
5405 (GBB_CLOOG_IV_TYPES): Removed.
5407 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5409 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
5410 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
5411 (detect_commutative_reduction): Same.
5413 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5415 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
5416 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
5418 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
5419 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
5420 (rewrite_commutative_reductions_out_of_ssa): Same.
5421 * passes.c (execute_function_todo): Call verify_ssa for every pass
5422 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
5423 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
5424 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
5425 with an extra argument.
5426 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
5427 verify_ssa only when the extra argument is true.
5428 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
5429 with an extra argument.
5430 (tree_transform_and_unroll_loop): Same.
5432 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
5434 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
5435 for all the passes of the LNO having LOOP_CLOSED_SSA.
5436 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
5437 * tree-loop-distribution.c (pass_loop_distribution): Same.
5438 * tree-pass.h (TODO_verify_loops): Removed.
5439 * tree-ssa-loop.c (pass_tree_loop_init): Same.
5441 (pass_tree_unswitch): Same.
5442 (pass_predcom): Same.
5443 (pass_vectorize): Same.
5444 (pass_linear_transform): Same.
5445 (pass_graphite_transforms): Same.
5446 (pass_iv_canon): Same.
5447 (pass_complete_unroll): Same.
5448 (pass_complete_unrolli): Same.
5449 (pass_parallelize_loops): Same.
5450 (pass_loop_prefetch): Same.
5451 (pass_iv_optimize): Same.
5453 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
5456 * passes.c (init_optimization_passes): Move pass_lim before
5457 pass_copy_prop and pass_dce_loop.
5459 2010-04-06 Jakub Jelinek <jakub@redhat.com>
5462 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
5463 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
5464 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
5465 MULTI_* defines for 4 argument vpermil2p* builtins.
5467 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
5469 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
5470 * config/i386/i386.c (x86_maybe_negate_const_int): New.
5471 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
5472 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
5473 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
5474 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
5475 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
5476 Use x86_maybe_negate_const_int to output insn mnemonic.
5477 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
5478 check from instruction predicate. Update comments.
5479 * config/i386/sync.md (sync_add<mode>): Use
5480 x86_maybe_negate_const_int to output insn mnemonic.
5482 2010-04-06 Jan Hubicka <jh@suse.cz>
5484 PR tree-optimization/42906
5485 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
5486 IGNORE_SELF argument. Set visited_control_parents for fully
5488 (find_obviously_necessary_stmts): Update call of
5489 mark_control_dependent_edges_necessary.
5490 (propagate_necessity): Likewise. Handle PHI edges more curefully.
5492 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
5494 * config/i386/i386.md: Remove comment about 'e' and 'E'
5497 2010-04-06 Richard Guenther <rguenther@suse.de>
5499 PR tree-optimization/43627
5500 * tree-vrp.c (extract_range_from_unary_expr): Widenings
5501 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
5504 2010-04-06 Jakub Jelinek <jakub@redhat.com>
5506 * BASE-VER: Change to 4.6.0.
5509 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
5512 2010-04-06 Richard Guenther <rguenther@suse.de>
5515 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
5517 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5519 * doc/invoke.texi (Optimize Options): Document that LTO
5520 won't remove object access purely due to incompatible
5523 2010-04-04 Matthias Klose <doko@ubuntu.com>
5525 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
5526 Initialize variable.
5528 2010-04-03 Richard Guenther <rguenther@suse.de>
5531 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
5532 require a non-NULL MEM_OFFSET.
5534 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
5536 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
5537 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
5538 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
5539 config/alpha/predicates.md, config/arm/arm.md,
5540 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
5541 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
5542 config/darwin9.h, config/darwin.c, config/darwin.h,
5543 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
5544 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
5545 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
5546 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
5547 config/mips/mips.md, config/mn10300/mn10300.c,
5548 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
5549 config/rs6000/aix.h, config/rs6000/dfp.md,
5550 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
5551 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
5552 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
5553 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
5554 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
5555 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
5556 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
5557 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
5558 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
5559 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
5560 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
5561 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
5562 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
5563 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
5564 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
5565 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
5566 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
5567 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
5568 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
5569 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
5570 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
5571 opt-functions.awk, opth-gen.awk, params.def, passes.c,
5572 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
5573 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
5574 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
5575 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
5576 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
5577 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
5578 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
5579 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
5580 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
5581 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
5582 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
5583 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
5584 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
5585 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
5587 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5590 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
5591 * aclocal.m4: Regenerate.
5593 2010-04-02 Richard Guenther <rguenther@suse.de>
5595 PR tree-optimization/43629
5596 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
5597 if we have seen a constant value.
5599 2010-04-02 Joseph Myers <joseph@codesourcery.com>
5601 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
5603 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
5606 * arm.c (legitimize_tls_address): Adjust call to
5607 gen_tls_load_dot_plus_four.
5608 (arm_note_pic_base): New function.
5609 (arm_cannot_copy_insn_p): Use it.
5610 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
5613 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5618 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5620 * Makefile.in ($(out_object_file)): Depend on
5621 gt-$(basename $(notdir $(out_file))).h.
5623 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
5625 * config.gcc (lm32-*-rtems*): Add t-lm32.
5627 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
5629 * config.gcc: Add lm32-*-rtems*.
5630 * config/lm32/rtems.h: New file.
5632 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
5635 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
5637 2010-04-01 Jakub Jelinek <jakub@redhat.com>
5639 * dwarf2out.c (output_compilation_unit_header): For
5640 -gdwarf-4 use version 4 instead of version 3.
5641 (output_line_info): For version 4 and above emit additional
5642 maximum ops per insn header field.
5643 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
5645 * dwarf2out.c (is_c_family, is_java): Remove.
5646 (lower_bound_default): New function.
5647 (add_bound_info, gen_descr_array_type_die): Use it.
5649 2010-04-01 Dodji Seketeli <dodji@redhat.com>
5652 * dwarf2out.c (gen_variable_die): Allow debug info for variable
5653 re-declaration when it happens in a function.
5655 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
5657 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
5658 (cgraph_remove_function_insertion_hook): Same.
5659 (cgraph_call_function_insertion_hooks): Same.
5661 2010-04-01 Richard Guenther <rguenther@suse.de>
5664 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
5665 and TREE_THIS_VOLATILE.
5666 (copy_ref_info): Likewise.
5667 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
5668 * tree.c (build6_stat): Ignore side-effects of all but arg5
5669 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
5672 2010-04-01 Richard Guenther <rguenther@suse.de>
5674 PR tree-optimization/43607
5675 * ipa-type-escape.c (check_call): Do not access non-existing
5678 2010-04-01 Richard Guenther <rguenther@suse.de>
5682 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5683 Jack Howarth <howarth@bromo.med.uc.edu>
5685 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5688 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5690 * doc/install.texi (Prerequisites): Document libelf usability on
5691 IRIX 5/6 and Solaris 2.
5692 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
5693 Update GNU as, GNU ld requirements.
5694 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
5695 Document Sun Studio compiler download.
5696 Update and simplify as, ld recommendations.
5697 (Specific, *-*-solaris2.7): Note obsoletion, removal.
5699 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5701 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
5702 with_tune_32 to pentium4.
5704 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
5706 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
5708 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5710 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
5711 obsoletion, removal.
5713 Document GNU as requirement.
5714 Update configure requirements.
5715 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
5716 Recomment IRIX 6.5.18+.
5717 Document IDF/IDL requirement.
5718 Document GNU as requirement.
5719 Document GNU ld bootstrap failure.
5720 Remove freeware.sgi.com reference.
5722 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5724 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
5725 UNIX V4.0, V5.0 obsoletion, removal.
5726 Remove --with-gc=simple reference.
5727 Update VM requirements during bootstrap.
5728 Remove -oldas bootstrap description.
5729 Update binutils reference.
5730 Remove comparison failure note.
5732 2010-03-31 Richard Guenther <rguenther@suse.de>
5733 Zdenek Dvorak <ook@ucw.cz>
5734 Sebastian Pop <sebastian.pop@amd.com>
5737 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
5738 with multiple arguments.
5739 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
5741 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5743 * graphite-dependences.c (print_pddr): Call print_pdr with an
5745 * graphite-poly.c (debug_pdr): Add an extra argument for the
5748 (print_pbb_domain): Same.
5750 (print_scop_context): Same.
5752 (print_cloog): Same.
5753 (debug_pbb_domain): Same.
5757 (debug_scop_context): Same.
5759 (debug_cloog): Same.
5760 (print_scop_params): Same.
5761 (debug_scop_params): Same.
5762 (print_iteration_domain): Same.
5763 (print_iteration_domains): Same.
5764 (debug_iteration_domain): Same.
5765 (debug_iteration_domains): Same.
5766 (print_scattering_function): Same.
5767 (print_scattering_functions): Same.
5768 (debug_scattering_function): Same.
5769 (debug_scattering_functions): Same.
5770 * graphite-poly.h (debug_pdr): Update declaration.
5772 (print_pbb_domain): Same.
5774 (print_scop_context): Same.
5776 (print_cloog): Same.
5777 (debug_pbb_domain): Same.
5781 (debug_scop_context): Same.
5783 (debug_cloog): Same.
5784 (print_scop_params): Same.
5785 (debug_scop_params): Same.
5786 (print_iteration_domain): Same.
5787 (print_iteration_domains): Same.
5788 (debug_iteration_domain): Same.
5789 (debug_iteration_domains): Same.
5790 (print_scattering_function): Same.
5791 (print_scattering_functions): Same.
5792 (debug_scattering_function): Same.
5793 (debug_scattering_functions): Same.
5795 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5797 * graphite-poly.c (print_scattering_function_1): New.
5798 (print_scattering_function): Call it.
5799 (print_scop_params): Remove spaces at the end of lines.
5802 * graphite-poly.h (print_cloog): Declared.
5803 (debug_cloog): Declared.
5805 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5807 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
5809 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
5810 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
5811 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
5812 to switch between adding the IV bump in loop->latch or in loop->header.
5814 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5816 * graphite-poly.c (print_scattering_function): Pretty print following
5819 (print_pbb_domain): Same.
5820 (dump_gbb_cases): Same.
5821 (dump_gbb_conditions): Same.
5824 (print_scop_params): Same.
5825 (print_scop_context): Same.
5827 (print_pbb_body): New.
5828 (lst_indent_to): New.
5829 (print_lst): Start new lines with a #.
5830 * graphite-poly.h (pbb_bb): New.
5831 (pbb_index): Use pbb_bb.
5832 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
5834 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
5836 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5838 * dwarf2out.c (size_of_die): For -gdwarf-4 use
5839 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
5840 and 0 instead of 1 for dw_val_class_flag.
5841 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
5842 dw_val_class_range_list, dw_val_class_loc_list,
5843 dw_val_class_lineptr and dw_val_class_macptr, use
5844 DW_FORM_flag_present for dw_val_class_flag and
5845 DW_FORM_exprloc for dw_val_class_loc.
5846 (output_die): For -gdwarf-4 print dw_val_class_loc
5847 size as uleb128 instead of 1 or 2 bytes and don't print
5848 anything for dw_val_class_flag.
5850 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
5851 instead of cselib_lookup following by tweaking locs->setting_insn.
5854 * cselib.c (cselib_process_insn): Clear cselib_current_insn
5855 even before returning from label, setjmp call or volatile asm
5858 2010-03-31 Richard Guenther <rguenther@suse.de>
5861 * cgraphunit.c (cgraph_output_in_order): Do not allocate
5862 temporary data on stack.
5864 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5866 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
5867 (PUSHSECTION_ASM_OP): Remove.
5868 (POPSECTION_ASM_OP): Remove.
5869 (PUSHSECTION_FORMAT): Remove.
5870 * config/sol2.h (PUSHSECTION_FORMAT): Define.
5871 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
5872 * config/sol2.c (solaris_output_init_fini): Use it.
5874 2010-03-31 Jie Zhang <jie@codesourcery.com>
5877 * opt-functions.awk (var_type_struct): Use signed char type
5878 for simple variables.
5880 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5882 * config/sol2.c: Include output.h.
5883 (solaris_assemble_visibility): New function.
5884 * config/t-sol2 (sol2.o): Add output.h dependency.
5885 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
5886 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
5889 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5892 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
5893 V2SImode or XFmode on PRE_DEC.
5896 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
5899 2010-03-31 Jie Zhang <jie@codesourcery.com>
5902 * reload.h (caller_save_initialized_p): Declare.
5903 * toplev.c (backend_init_target): Don't call
5904 init_caller_save but set caller_save_initialized_p to false.
5905 * caller-save.c (caller_save_initialized_p): Define.
5906 (init_caller_save): Check caller_save_initialized_p.
5907 * ira.c (ira): Call init_caller_save if flag_caller_saves.
5909 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5912 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
5913 and soft-fp/t-softfp to tmake_file.
5914 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
5915 (LIBGCC2_TF_CEXT): Define.
5918 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
5921 * cselib.c (n_useless_values): Document handling of debug locs.
5922 (n_useless_debug_values, n_debug_values): New variables.
5923 (new_elt_loc_list): Don't add to debug values, keep count.
5924 (promote_debug_loc): New.
5925 (cselib_reset_table): Zero new variables.
5926 (entry_and_rtx_equal_p): Promote debug locs.
5927 (discard_useless_locs): Increment n_useless_debug_values for
5929 (remove_useless_values): Adjust n_useless_values and n_debug_values
5930 with n_useless_debug_values.
5931 (add_mem_for_addr): Promote debug locs.
5932 (cselib_lookup_mem): Likewise.
5933 (cselib_lookup_addr): Renamed to...
5934 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
5935 (cselib_log_lookup): ... this. Turn into...
5936 (cselib_lookup_addr): ... new wrapper.
5937 (cselib_lookup_from_insn): New.
5938 (cselib_invalidate_regno): Increment n_useless_debug_values for
5940 (cselib_invalidate_mem): Likewise.
5941 (cselib_process_insn): Take n_deleted and n_debug_values into
5942 account to guard remove_useless_value call.
5943 (cselib_finish): Zero n_useless_debug_values.
5944 * cselib.h (cselib_lookup_from_insn): Declare.
5945 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
5946 (sched_analyze_2): Likewise.
5948 2010-03-30 Jakub Jelinek <jakub@redhat.com>
5950 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
5952 (adjust_mems): Replace narrowing SUBREG of expression containing
5953 just PLUS, MINUS, MULT and ASHIFT of registers and constants
5954 with operations in the narrower mode.
5957 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
5958 regs_invalidated_by_call instead all call_used_reg_set registers.
5960 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
5963 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
5964 pointer comparisons with types_compatible_p.
5965 * tree-vect-stmts.c (vectorizable_call): Same.
5966 (vectorizable_condition): Same.
5968 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5970 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
5971 stack check if the mask would be zero.
5973 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5974 Jack Howarth <howarth@bromo.med.uc.edu>
5976 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5979 2010-03-30 Joseph Myers <joseph@codesourcery.com>
5982 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
5984 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
5985 Include ___unordxf2 and ___unordtf2.
5986 * config/i386/libgcc-glibc.ver: Do not define inheritance from
5989 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
5991 * config/lm32/t-lm32: New file.
5992 * config.gcc: Use the above file when targetting lm32.
5994 2010-03-28 Duncan Sands <baldrick@free.fr>
5996 * Makefile.in (PLUGIN_HEADERS): Add except.h.
5998 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
6001 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
6002 Improve vectorization cost model diagnostic.
6004 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
6007 * tree-vect-data-refs.c (vect_analyze_data_refs): When
6008 compute_data_dependences_for_loop returns false, early exit
6009 and output an extra diagnostic for the failed data reference
6012 2010-03-29 Richard Guenther <rguenther@suse.de>
6014 PR tree-optimization/43560
6015 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
6016 (can_sm_ref_p): Treat stores to readonly locations as trapping.
6018 2010-03-29 Jie Zhang <jie@codesourcery.com>
6021 * toplev.c (process_options): Set optimization_default_node
6022 and optimization_current_node.
6023 * opts.c (decode_options): Don't set optimization_default_node
6024 and optimization_current_node.
6026 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
6028 * config/rtems.h: Abandon -qrtems_debug.
6030 2010-03-28 Jan Hubicka <jh@suse.cz>
6032 PR tree-optimization/43505
6033 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
6034 map should not be copied.
6036 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6039 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
6040 cdtors, set DECL_PRESERVE_P.
6041 * ipa.c (cgraph_externally_visible_p): Return true if declaration
6044 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
6046 PR tree-optimization/43528
6047 * stor-layout.c (place_field): Check that constant fits into
6048 unsigned HWI when skipping calculation of MS bitfield layout.
6050 2010-03-27 Jan Hubicka <jh@suse.cz>
6053 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
6054 notice_global_symbol work.
6056 2010-03-27 Jakub Jelinek <jakub@redhat.com>
6058 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
6059 instead of dwarf2out_decl.
6060 (struct var_loc_node): Remove section_label field.
6061 (dwarf2out_function_decl): New function.
6062 (dwarf2out_var_location): Don't set section_label field.
6063 (dwarf2out_begin_function): Don't empty decl_loc_table here.
6065 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
6067 PR tree-optimization/43544
6068 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6069 First argument for builtin vectorized function hook is now a
6070 tree to be able to distinguish between machine specific and
6072 * targhooks.c (default_builtin_vectorized_function): Ditto.
6073 * targhooks.h (default_builtin_vectorized_function): Ditto.
6074 * target.h (struct gcc_target): Ditto.
6075 * tree-vect-stmts.c (vectorizable_function): Ditto.
6076 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
6077 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
6080 2010-03-26 Joseph Myers <joseph@codesourcery.com>
6083 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
6084 nested binding iff it is a FUNCTION_DECL.
6085 (store_parm_decls_newstyle): Pass nested=true to bind for
6086 FUNCTION_DECLs amongst parameters.
6088 2010-03-26 Jakub Jelinek <jakub@redhat.com>
6090 * var-tracking.c (vt_expand_loc_callback): Don't run
6091 cselib_expand_value_rtx_cb in dummy mode if
6092 cselib_dummy_expand_value_rtx_cb returned false.
6094 * var-tracking.c (emit_note_insn_var_location): For one part
6095 notes with offset 0, don't add EXPR_LIST around the location.
6096 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
6097 add_location_or_const_value_attribute): Adjust for that change.
6100 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
6101 into first operand and location into second.
6102 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
6103 dw_cfi_oprnd_loc for DW_CFA_expression.
6104 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
6105 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
6106 assume first argument is regnum and second argument is location.
6108 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
6111 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
6112 of scratch register to DImode. Split to DImode comparison operator.
6113 Use SImode subreg of scratch register in the multiplication.
6114 (*cmp_sadd_sidi): Ditto.
6115 (*cmp_ssub_si): Ditto.
6116 (*cmp_ssub_sidi): Ditto.
6118 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
6121 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
6122 Remove invalid assert and wrong comment.
6124 2010-03-26 Jakub Jelinek <jakub@redhat.com>
6127 * flags.h (final_insns_dump_p): New extern.
6128 * final.c (final_insns_dump_p): New variable.
6129 (rest_of_clean_state): Set it before -fdump-final-insns=
6130 dumping, clear afterwards.
6131 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
6132 MEM_ALIAS_SET on MEMs.
6134 2010-03-26 David S. Miller <davem@davemloft.net>
6136 * configure.ac: Fix sparc GOTDATA_OP bug check.
6137 * configure: Rebuild.
6139 2010-03-26 Alan Modra <amodra@gmail.com>
6141 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
6143 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6145 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
6146 TLS_SECTION_ASM_FLAG.
6148 2010-03-25 Jakub Jelinek <jakub@redhat.com>
6151 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
6152 Clear first_function_block_is_cold.
6155 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
6156 argument if the argument is truth_value_p.
6158 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
6160 * config/rs6000/constraints.md: Update copyright year for my changes.
6163 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
6164 used in reg+reg addressing, swap registers.
6166 2010-03-24 Jakub Jelinek <jakub@redhat.com>
6169 * target.h (struct gcc_target): Add code_end hook.
6170 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
6172 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
6173 * toplev.c (compile_file): Call targetm.asm_out.code_end
6174 hook before unwind info/debug info output.
6175 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
6176 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
6177 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
6178 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
6179 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
6180 * config/i386/i386.c (ix86_file_end): Renamed to...
6181 (ix86_code_end): ... this. Make static. Don't call
6182 file_end_indicate_exec_stack. Emit unwind info using
6183 final_start_function/final_end_function.
6184 (darwin_x86_file_end): Remove.
6185 (TARGET_ASM_CODE_END): Define.
6186 * config/i386/i386.h (TARGET_ASM_FILE_END,
6187 NEED_INDICATE_EXEC_STACK): Don't define.
6188 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
6189 (TARGET_ASM_FILE_END): Define to darwin_file_end.
6190 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
6191 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
6194 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
6195 at the beginning and final_end_function at the end.
6196 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
6198 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6200 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
6201 and Sun as TLS syntax.
6202 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
6203 * configure: Regenerate.
6204 * config.in: Regenerate.
6205 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
6206 (default_elf_asm_named_section): Use it.
6207 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
6208 (i386_output_dwarf_dtprel): Likewise.
6209 (output_addr_const_extra): Likewise.
6210 (output_pic_addr_const): Lowercase @GOTTPOFF.
6211 (output_addr_const_extra): Likewise.
6212 (output_pic_addr_const): Lowercase @GOTNTPOFF.
6213 (output_addr_const_extra): Likewise.
6214 (output_pic_addr_const): Lowercase @INDNTPOFF.
6215 (output_addr_const_extra): Likewise.
6216 (output_pic_addr_const): Lowercase @NTPOFF.
6217 (output_addr_const_extra): Likewise.
6218 (output_pic_addr_const): Lowercase @TPOFF.
6219 (output_addr_const_extra): Likewise.
6220 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
6221 (*tls_global_dynamic_64): Likewise.
6222 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
6223 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
6225 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
6226 (ASM_OUTPUT_TLS_COMMON): Use it.
6227 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
6230 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
6231 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
6232 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
6233 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
6234 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
6235 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
6237 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6239 * config/i386/i386.c (override_options): Don't accept
6240 -mtls-dialect=sun any longer.
6241 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
6242 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
6243 (*tls_local_dynamic_base_32_sun): Likewise.
6244 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
6246 2010-03-24 Jakub Jelinek <jakub@redhat.com>
6249 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6250 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
6253 * ira.c (adjust_cleared_regs): New function.
6254 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
6258 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
6260 * expr.c (expand_expr_real): Restore previous
6261 curr_insn_source_location and curr_insn_block after
6262 expand_expr_real_1 call.
6263 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
6264 instead of expand_expr_real_1.
6266 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
6268 PR rtl-optimization/43413
6269 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
6272 2010-03-22 James E. Wilson <wilson@codesourcery.com>
6275 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
6276 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
6278 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
6280 * config/i386/i386.c (ix86_target_string): Add -mfma.
6281 Fix a typo in comment.
6283 2010-03-22 Mike Stump <mikestump@comcast.net>
6286 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6287 Don't overly align based upon packed packed fields.
6289 2010-03-22 Jason Merrill <jason@redhat.com>
6291 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
6292 Use () rather than [], and move before the element type.
6294 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6296 * doc/configfiles.texi (Configuration Files): Removed
6297 fixinc/Makefile*, intl/Makefile.*.
6298 * doc/makefile.texi: Fixed markup. Abstract from version
6299 control system used.
6300 (Makefile): Removed obsolete gcc/java/parse.y example.
6301 * doc/sourcebuild.texi: Likewise.
6302 (Top Level): Added config, gnattools, libdecnumber, libgcc,
6303 libgomp, libssp. Removed fastjar.
6304 (Miscellaneous Docs): Clarify location.
6305 Added COPYING3, COPYING3.LIB.
6306 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
6308 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6311 * config/i386/i386.c (x86_function_profiler)
6312 [!NO_PROFILE_COUNTERS]: Fix typo.
6313 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
6316 2010-03-22 Janis Johnson <janis187@us.ibm.com>
6317 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6319 * doc/sourcebuild.texi (Test Directives): Split into six
6320 subsections, with most of the current text in new subsections
6321 Directives, Selectors, and Final Actions.
6322 (Directives): Split list of test directives into multiple
6324 (Selectors): Describe use and syntax of selectors.
6325 (Effective-Target Keywords): Describe all existing keywords.
6326 (Add Options): Describe features for dg-add-options.
6327 (Require Support): Describe variants of dg-require-support.
6328 (Final Actions): Describe commands to use in dg-final.
6330 2010-03-22 Michael Matz <matz@suse.de>
6333 * recog.c (validate_replace_rtx_group): Replace also in
6334 REG_EQUAL and REG_EQUIV notes.
6336 2010-03-22 Richard Guenther <rguenther@suse.de>
6338 PR tree-optimization/43390
6339 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
6340 sure vector extracts are type correct.
6342 2010-03-22 Richard Guenther <rguenther@suse.de>
6345 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
6346 x * sqrt (x) even when optimizing for size if the target
6347 has native support for sqrt.
6349 2010-03-22 Jakub Jelinek <jakub@redhat.com>
6351 * varasm.c (make_decl_rtl_for_debug): Also clear
6352 flag_mudflap for the duration of make_decl_rtl call.
6355 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
6356 locs from preserved VALUEs.
6358 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6361 * pa.md (movmemsi): Set align to one if zero.
6362 (movmemdi): Likewise.
6364 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
6367 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
6368 with their corresponding prologue pushes.
6370 2010-03-20 Andrew Pinski <pinskia@gmail.com>
6373 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
6374 at the begining or end.
6375 (spu_expand_epilogue): Likewise.
6377 2010-03-20 Richard Guenther <rguenther@suse.de>
6379 PR rtl-optimization/43438
6380 * combine.c (make_extraction): Properly zero-/sign-extend an
6381 extraction of the low part of a CONST_INT. Also handle
6384 2010-03-19 Mike Stump <mikestump@comcast.net>
6386 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
6387 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
6388 (override_options): Use SUBTARGET32_DEFAULT_CPU.
6390 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
6393 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
6396 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
6398 PR rtl-optimization/42258
6399 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
6400 use that may match DEF.
6403 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
6404 the cost of loading the constant rather than assuming
6406 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
6407 outer code is AND, do the same tests as the andsi3 expander and
6408 return COSTS_N_INSNS (1) if and is cheap.
6410 * optabs.c (avoid_expensive_constant): Fix formatting.
6412 2010-03-19 Michael Matz <matz@suse.de>
6415 * attribs.c (decl_attributes): When rebuilding a function pointer
6416 type use the same qualifiers as the original pointer type.
6418 2010-03-19 Martin Jambor <mjambor@suse.cz>
6420 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
6421 and is_gimple_ip_invariant_address.
6423 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6426 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6428 * config/arm/arm.c (arm_override_options): Turn off
6429 flag_dwarf2_cfi_asm for AAPCS variants.
6431 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6434 * config/arm/arm.c (emit_multi_reg_push): Update comments.
6435 Use PRE_MODIFY instead of PRE_DEC.
6436 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
6437 (vfp_emit_fstmd): Likewise.
6439 2010-03-19 Michael Matz <matz@suse.de>
6442 * builtins.c (expand_builtin_interclass_mathfn,
6443 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
6446 2010-03-19 Richard Guenther <rguenther@suse.de>
6448 PR tree-optimization/43415
6449 * tree-ssa-pre.c (phi_translate): Split out worker to ...
6450 (phi_translate_1): ... this.
6451 (phi_translate): Move all caching here. Cache all NARY
6452 and REFERENCE translations.
6454 2010-03-19 David S. Miller <davem@davemloft.net>
6456 With help from Eric Botcazou.
6457 * config/sparc/sparc.c: Include dwarf2out.h.
6458 (emit_pic_helper): Delete.
6459 (pic_helper_symbol_name): Delete.
6460 (pic_helper_emitted_p): Delete.
6461 (pic_helper_needed): New.
6462 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
6463 (get_pc_thunk_name): New.
6464 (load_pic_register): Remove 'delay_pic_helper' arg. Use
6465 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
6466 Set pic_helper_needed to true. Don't call emit_pic_helper.
6467 (sparc_expand_prologue): Update load_pic_register call.
6468 (sparc_output_mi_thunk): Likewise.
6469 (sparc_file_end): Emit a hidden comdat symbol for the PIC
6470 thunk if possible. Output CFI information as needed.
6472 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
6473 Jack Howarth <howarth@bromo.med.uc.edu>
6476 * config/i386/i386.h: Fix ABI on darwin x86-32.
6478 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
6480 * tree.h: Declare make_decl_rtl_for_debug.
6481 * varasm.c (make_decl_rtl_for_debug): New.
6482 * dwarf2out.c (rtl_for_decl_location): Call it.
6483 * cfgexpand.c (expand_debug_expr): Call it.
6485 2010-03-18 Jakub Jelinek <jakub@redhat.com>
6488 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
6492 * var-tracking.c (vt_init_cfa_base): Do nothing if
6493 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
6495 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
6498 * var-tracking.c (canonicalize_vars_star): New.
6499 (dataflow_post_merge_adjust): Use it.
6501 2010-03-18 Jakub Jelinek <jakub@redhat.com>
6504 * var-tracking.c (non_suitable_const): New function.
6505 (add_uses): For DEBUG_INSNs with constants, don't record any
6506 value, instead just the constant value itself.
6507 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
6508 is not VAR_LOC_UNKNOWN_P, set var to the constant.
6509 (emit_notes_in_bb): Likewise.
6510 (emit_note_insn_var_location): For onepart variables if
6511 cur_loc is a VOIDmode constant, use DECL_MODE.
6513 2010-03-18 Martin Jambor <mjambor@suse.cz>
6516 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
6517 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
6518 all non-clones. Moved call redirection...
6519 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
6520 (cgraph_materialize_all_clones): Dispose of all
6521 combined_args_to_skip bitmaps.
6522 (verify_cgraph_node): Do not check for edges pointing to wrong
6523 nodes in inline clones.
6524 * tree-inline.c (copy_bb): Call
6525 cgraph_redirect_edge_call_stmt_to_callee.
6526 * ipa.c (cgraph_remove_unreachable_nodes): Call
6527 cgraph_node_remove_callees even when there are used clones.
6529 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
6531 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
6533 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
6536 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
6539 2010-03-18 Michael Matz <matz@suse.de>
6542 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
6543 into sqrt(x) if we need to preserve signed zeros.
6545 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
6546 Eric Botcazou <ebotcazou@adacore.com>
6548 PR rtl-optimization/43360
6549 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
6550 note if we don't know its invariant status.
6552 2010-03-18 Michael Matz <matz@suse.de>
6554 PR tree-optimization/43402
6555 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
6556 PHI chains of ssa names registered for update.
6558 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
6561 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
6562 non-offsettable and pre_modify update addressing.
6563 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
6564 and "2" alternatives "#".
6565 (*movdd_softfloat32): Make all alternatives "#";
6566 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
6567 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
6568 (*movdf_softfloat32): Make all alternatives "#";
6569 (movdi): Use the new DIFD mode iterator to create a common splitter
6570 for movdi, movdf and movdd patterns.
6572 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
6574 * common.opt (dumpdir): Remove redundant tab.
6576 2010-03-17 Martin Jambor <mjambor@suse.cz>
6578 PR tree-optimization/43347
6579 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
6580 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
6582 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
6584 PR rtl-optimization/42216
6585 * regrename.c (create_new_chain): New function, broken out from...
6586 (scan_rtx_reg): ... here. Call it. Handle the case where we are
6587 appending a use to an empty chain.
6588 (build_def_use): Remove previous changes that convert OP_INOUT to
6589 OP_OUT operands; instead detect the case where an OP_INOUT operand
6590 uses a previously untracked register and create an empty chain for it.
6592 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6594 * doc/extend.texi (Function Attributes): Rewrite unfinished
6595 sentence in ms_abi documentation.
6597 2010-03-17 Alan Modra <amodra@gmail.com>
6599 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
6600 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
6601 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
6602 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
6604 2010-03-16 Richard Henderson <rth@redhat.com>
6607 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
6608 (lower_try_finally): Save and restore eh_seq around the expansion
6611 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6613 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
6614 statements before splitting block.
6616 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6618 * doc/sourcebuild.texi (Testsuites): Fix markup.
6619 Use pathnames relative to gcc/testsuite.
6620 (Test Directives): Move description of how timeout is determined.
6621 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
6622 (C Tests): Correct gcc.misc-tests directory.
6623 Framework tests now live in gcc.test-framework.
6625 2010-03-16 Richard Guenther <rguenther@suse.de>
6628 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
6629 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
6631 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6632 Alexandre Oliva <aoliva@redhat.com>
6634 PR tree-optimization/42917
6635 * lambda-code.c (remove_iv): Skip debug statements.
6636 (lambda_loopnest_to_gcc_loopnest): Likewise.
6637 (not_interesting_stmt): Debug statements are not interesting.
6639 2010-03-16 Jakub Jelinek <jakub@redhat.com>
6643 * cselib.c (cselib_preserve_constants,
6644 cfa_base_preserved_val): New static variables.
6645 (preserve_only_constants): New function.
6646 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
6647 clear its REG_VALUES. If cselib_preserve_constants, don't
6648 empty the whole hash table, but preserve there VALUEs with constants,
6649 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
6650 (cselib_preserve_cfa_base_value): New function.
6651 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
6652 (cselib_init): Change argument to int bitfield. Set
6653 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
6655 (cselib_finish): Clear cselib_preserve_constants and
6656 cfa_base_preserved_val.
6657 * cselib.h (enum cselib_record_what): New enum.
6658 (cselib_init): Change argument to int.
6659 (cselib_preserve_cfa_base_value): New prototype.
6660 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
6661 * dse.c (dse_step1): Likewise.
6662 * cfgcleanup.c (thread_jump): Likewise.
6663 * sched-deps.c (sched_analyze): Likewise.
6664 * gcse.c (local_cprop_pass): Likewise.
6665 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
6666 If FN is non-NULL, call the callback always and whenever it returns
6667 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
6668 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
6669 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
6670 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
6671 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
6672 * var-tracking.c: Include recog.h.
6673 (bb_stack_adjust_offset): Remove.
6674 (vt_stack_adjustments): Don't call it, instead just gather the
6675 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
6676 (adjust_stack_reference): Remove.
6677 (compute_cfa_pointer): New function.
6678 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
6679 (struct adjust_mem_data): New type.
6680 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
6682 (get_address_mode): New function.
6683 (replace_expr_with_values): Use it.
6684 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
6685 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
6686 (adjust_sets): Remove.
6687 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
6688 Use get_address_mode.
6689 (get_adjusted_src): Remove.
6690 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
6691 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
6692 (add_with_sets): Don't call adjust_sets.
6693 (fp_setter, vt_init_cfa_base): New functions.
6694 (vt_initialize): Change return type to bool. Move most of pool etc.
6695 initialization to the beginning of the function from end. Pass
6696 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
6697 If !frame_pointer_needed, call vt_stack_adjustment before mos
6698 vector is filled, call vt_init_cfa_base if argp/framep has been
6699 eliminated to sp. If frame_pointer_needed and argp/framep has
6700 been eliminated to hard frame pointer, set
6701 hard_frame_pointer_adjustment and call vt_init_cfa_base after
6702 encountering fp setter in the prologue. For MO_ADJUST, call
6703 log_op_type before pusing the op into mos vector, not afterwards.
6704 Call adjust_insn before cselib_process_insn/add_with_sets,
6705 call cancel_changes (0) afterwards.
6706 (variable_tracking_main_1): Adjust for vt_initialize calling
6707 vt_stack_adjustments and returning whether it succeeded or not.
6709 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
6711 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
6714 2010-03-15 Jakub Jelinek <jakub@redhat.com>
6716 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
6718 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
6719 drap_reg has not been set.
6721 2010-03-15 Michael Matz <matz@suse.de>
6724 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
6725 use it to expand block copies.
6726 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
6727 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
6728 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
6730 2010-03-15 Richard Guenther <rguenther@suse.de>
6732 PR tree-optimization/43367
6733 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
6736 2010-03-15 Richard Guenther <rguenther@suse.de>
6738 PR tree-optimization/43317
6739 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
6741 2010-03-15 Martin Jambor <mjambor@suse.cz>
6743 PR tree-optimization/43141
6744 * tree-sra.c (create_abstract_origin): New function.
6745 (modify_function): Call create_abstract_origin.
6747 2010-03-15 Chris Demetriou <cgd@google.com>
6749 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
6752 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6755 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
6756 call insert_out_of_ssa_copy for default definitions.
6758 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6760 * graphite-clast-to-gimple.c (my_long_long): Defined.
6761 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
6762 * graphite-sese-to-poly.c (my_long_long): Defined.
6763 (scop_ivs_can_be_represented): Use it.
6765 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6767 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
6768 graphite-max-bbs-per-function, and loop-block-tile-size.
6769 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
6771 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
6773 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6775 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
6776 forward declaration.
6777 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
6778 (add_upper_bounds_from_estimated_nit): New.
6779 (build_loop_iteration_domains): Use it.
6781 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6783 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
6785 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6788 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
6789 should be an INTEGER_CST. Also handle CASE_CONVERT.
6791 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6793 * graphite.c (graphite_initialize): To bound the number of bbs per
6794 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
6795 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
6796 * doc/invoke.texi: Document it.
6798 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6800 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
6801 * graphite-sese-to-poly.h (build_poly_scop): Same.
6803 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6805 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
6806 the number of parameters in the scop. Use as an upper bound
6807 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
6808 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
6809 * doc/invoke.texi: Document it.
6811 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
6813 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
6814 * doc/c-tree.texi: Remove.
6815 * doc/generic.texi: Merge c-tree.texi here.
6816 * doc/gccint.texi (Trees): Remove menu entry.
6817 (c-tree.texi): Remove @include.
6818 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
6819 * doc/languages.texi (Reading RTL): Ditto.
6821 2010-03-12 Steve Ellcey <sje@cup.hp.com>
6824 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
6826 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
6829 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
6830 code added to work around reload clobbering CONST insns.
6832 2010-03-12 Jakub Jelinek <jakub@redhat.com>
6834 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
6835 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
6836 (cselib_preserve_only_values): Remove retain argument, don't
6837 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
6838 * cselib.h (cselib_preserve_only_values): Remove retain argument.
6839 * var-tracking.c (micro_operation): Move insn field before union.
6840 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
6841 (struct variable_tracking_info_def): Remove n_mos field, change
6842 mos into a vector of micro_operations.
6843 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
6844 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
6845 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
6846 changing into a vector.
6847 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
6848 come before all other uops generated by add_stores.
6849 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
6851 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
6852 a vector. Run just one pass over the bbs instead of separate counting
6853 and computation phase.
6854 (vt_finalize): Free VTI (bb)->mos vector instead of array.
6857 * tree-inline.c (remap_decls): Put old_var rather than origin_var
6858 into *nonlocalized_list vector.
6859 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
6860 even if origin is non-NULL.
6861 (gen_variable_die): Likewise.
6862 (process_scope_var): Don't change origin.
6863 (gen_decl_die): Likewise.
6864 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
6865 before adding new edges instead of after it, fix moving over
6868 2010-03-11 David S. Miller <davem@davemloft.net>
6870 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
6872 * configure: Rebuild.
6874 2010-03-11 Martin Jambor <mjambor@suse.cz>
6876 PR tree-optimization/43257
6877 * tree.c (assign_assembler_name_if_neeeded): New function.
6878 (free_lang_data_in_cgraph): Assembler name assignment moved to the
6880 * tree.h (assign_assembler_name_if_neeeded): Declare.
6881 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
6882 the function if needed.
6884 2010-03-11 Chris Demetriou <cgd@google.com>
6886 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
6887 include/stdint-gcc.h, and include/stdint.h world-readable.
6889 2010-03-11 Richard Guenther <rguenther@suse.de>
6891 PR tree-optimization/43255
6892 * tree-vrp.c (process_assert_insertions_for): Do not insert
6893 asserts for trivial conditions.
6895 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6897 PR tree-optimization/43280
6898 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
6899 generation. Move calculation of size out of the if branch.
6900 (find_bswap): Modify compare number generation.
6902 2010-03-11 Richard Guenther <rguenther@suse.de>
6905 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
6906 (input_gimple_stmt): Fixup handled component types during
6907 operand read. Also fix up decls in ADDR_EXPRs.
6909 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
6911 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
6912 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
6914 2010-03-10 Jan Hubicka <jh@suse.cz>
6917 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
6918 * varasm.c (get_variable_section): Don't do that here...
6919 (make_decl_rtl): ... and here.
6920 (do_assemble_alias): Produce decl RTL.
6921 (assemble_alias): Likewise.
6923 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6926 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
6927 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
6929 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
6930 (based_loc_descr): Only express drap or vdrap regno based expressions
6931 using DW_OP_fbreg when not optimizing.
6932 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
6933 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
6934 REG_CFA_SET_VDRAP note.
6936 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
6938 PR tree-optimization/43236
6939 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
6940 error in calculation of base address in reverse iteration case.
6941 (generate_builtin): Take number of latch executions if the statement
6944 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
6947 * tree-eh.c: Include pointer-set.h.
6948 (lower_eh_dispatch): Filter out duplicate case labels and
6949 remove the unneeded edge when the label is unused. Return
6950 true when some edges are removed.
6951 (execute_lower_eh_dispatch): When any lowering resulted in
6952 removing an edge, also delete unreachable blocks.
6954 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6957 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
6958 UNSPEC_MACHOPIC_OFFSET.
6960 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
6963 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
6964 (m68k_delegitimize_address): New function.
6966 2010-03-09 Jakub Jelinek <jakub@redhat.com>
6969 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
6972 * var-tracking.c (adjust_sets): New function.
6973 (count_with_sets, add_with_sets): Use it.
6974 (get_adjusted_src): New inline function.
6975 (add_stores): Use it.
6978 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
6979 call cselib_dummy_expand_value_rtx_cb instead of
6980 cselib_expand_value_rtx_cb.
6983 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
6984 * config/i386/i386.c: Include debug.h and dwarf2out.h.
6985 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
6986 and .cfi_endproc around the pic thunks.
6987 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
6988 all queued unwind info register saves are saved before the call.
6989 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
6990 considered as sp-=4 for unwind info and the pop as sp+=4 which
6991 also clobbers dest, but doesn't actually restore it.
6994 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
6995 RTX_FRAME_RELATED_P.
6997 2010-03-09 Jie Zhang <jie@codesourcery.com>
6999 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
7000 whitespaces in output template.
7002 2010-03-09 Jie Zhang <jie@codesourcery.com>
7004 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
7007 2010-03-08 Jakub Jelinek <jakub@redhat.com>
7009 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
7010 builtins.exp in a separate job.
7012 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
7014 * graphite-sese-to-poly.c (add_param_constraints): Use
7015 lower_bound_in_type and upper_bound_in_type.
7017 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
7019 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
7020 instead of unsigned_type_node.
7022 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
7023 Reza Yazdani <reza.yazdani@amd.com>
7026 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
7027 on pointer type parameters.
7029 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
7033 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
7034 handle conversions from pointer to integers.
7035 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
7036 induction variable, to be able to work with code generated by CLooG.
7037 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
7038 (build_poly_scop): Bail out if we cannot codegen a loop.
7040 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
7042 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
7043 code generation with gloog_error.
7045 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
7047 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
7048 Call fold_convert on all the returned values.
7049 (expand_scalar_variables_expr): Pass to
7050 expand_scalar_variables_ssa_name the type of the resulting expression.
7052 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
7054 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
7055 ppl_min_for_le_pointset.
7056 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
7057 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
7059 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
7061 * graphite-dependences.c (map_into_dep_poly): Removed.
7062 (dependence_polyhedron_1): Use combine_context_id_scat.
7064 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
7066 * graphite-poly.h (struct poly_scattering): Add layout documentation.
7067 (struct poly_bb): Same.
7068 (combine_context_id_scat): New.
7070 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
7073 * sese.c (name_defined_in_loop_p): Return false for default
7076 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
7078 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
7079 and clean up the logic.
7081 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
7083 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
7086 2010-03-08 Jakub Jelinek <jakub@redhat.com>
7088 * var-tracking.c (remove_cselib_value_chains): Define only for
7090 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
7091 delete_slot_part, emit_notes_for_differences_1): Don't call
7092 remove_cselib_value_chains here.
7093 (set_slot_part, emit_notes_for_differences_2): Don't call
7094 add_cselib_value_chains here.
7095 (preserved_values): New vector.
7096 (preserve_value): New function.
7097 (add_uses, add_stores, vt_add_function_parameters): Use it
7098 instead of cselib_preserve_value.
7099 (changed_values_stack): New vector.
7100 (check_changed_vars_0): New function.
7101 (check_changed_vars_1, check_changed_vars_2): Use it.
7102 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
7103 changed_values_stack VALUEs.
7104 (vt_emit_notes): For all preserved_values call
7105 add_cselib_value_chains. If ENABLE_CHECKING call
7106 remove_cselib_value_chains before verifying value_chains is empty.
7107 Initialize and free changed_values_stack.
7108 (vt_initialize): Initialize preserved_values.
7109 (vt_finalize): Free preserved_values.
7111 2010-03-08 Richard Guenther <rguenther@suse.de>
7113 PR tree-optimization/43269
7114 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
7117 2010-03-08 Martin Jambor <mjambor@suse.cz>
7119 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
7120 (ipa_is_param_called): Removed.
7121 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
7122 (ipa_print_node_params): Do not print the called flag.
7123 (ipa_write_node_info): Do not stream the called flag.
7124 (ipa_read_node_info): Likewise.
7126 2010-03-07 Jakub Jelinek <jakub@redhat.com>
7129 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
7130 * cselib.c (struct expand_value_data): Add dummy field.
7131 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
7133 (cselib_dummy_expand_value_rtx_cb): New function.
7134 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
7136 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
7137 * var-tracking.c: Include pointer-set.h.
7138 (variable): Change n_var_parts to char from int. Add
7139 cur_loc_changed and in_changed_variables fields.
7140 (variable_canonicalize): Remove.
7141 (shared_var_p): New inline function.
7142 (unshare_variable): Maintain cur_loc_changed and
7143 in_changed_variables fields. If var was in changed_variables,
7144 replace it there with new_var. Just copy cur_loc instead of
7145 resetting it to something else.
7146 (variable_union): Don't recompute cur_loc. Use shared_var_p.
7147 (dataflow_set_union): Don't call variable_canonicalize.
7148 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
7149 of their DEBUG_EXPR_TREE_DECLs.
7150 (canonicalize_loc_order_check): Verify that cur_loc is NULL
7151 and in_changed_variables and cur_loc_changed is false.
7152 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
7153 and cur_loc_changed. Don't update cur_loc here.
7154 (variable_merge_over_src): Don't call variable_canonicalize.
7155 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
7156 removing loc that is equal to cur_loc, clear cur_loc,
7157 set cur_loc_changed and ensure variable_was_changed is called.
7158 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
7159 compare pointers in cur_loc check, if it is equal to loc,
7160 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
7161 (variable_different_p): Remove compare_current_location argument,
7162 don't compare cur_loc.
7163 (dataflow_set_different_1): Adjust variable_different_p caller.
7164 (variable_was_changed): If dv had some var in changed_variables
7165 already, reset in_changed_variables flag for it and propagate
7166 cur_loc_changed over to the new variable. On empty var
7167 always set cur_loc_changed. Set in_changed_variables on whatever
7168 var is added to changed_variables.
7169 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
7170 Use shared_var_p. When removing loc that is equal to cur_loc,
7171 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
7172 end, don't set it to something else, just call variable_was_changed.
7173 (delete_slot_part): Use shared_var_p. When cur_loc equals to
7174 loc being removed, clear cur_loc and set cur_loc_changed.
7175 Set cur_loc_changed if all locations have been removed.
7176 (struct expand_loc_callback_data): New type.
7177 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
7178 allocated. Always create SUBREGs if simplify_subreg failed.
7179 Prefer to use cur_loc, when that fails and still in
7180 changed_variables (and seen first time) recompute it. Set
7181 cur_loc_changed of variables which had to change cur_loc and
7182 compute elcd->cur_loc_changed if any of the subexpressions used
7183 had to change cur_loc.
7184 (vt_expand_loc): Adjust to pass arguments in
7185 expand_loc_callback_data structure.
7186 (vt_expand_loc_dummy): New function.
7187 (emitted_notes): New variable.
7188 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
7189 that weren't used for any other decl in current
7190 emit_notes_for_changes call call vt_expand_loc_dummy to update
7191 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
7192 first loc_chain location if NULL before. Always use just
7193 cur_loc instead of first loc_chain location. When cur_loc_changed
7194 is false, when not --enable-checking=rtl just don't emit any note.
7195 When rtl checking, compute the note and assert it is the same
7196 as previous note. Clear cur_loc_changed and in_changed_variables
7197 at the end before removing from changed_variables.
7198 (check_changed_vars_3): New function.
7199 (emit_notes_for_changes): Traverse changed_vars to call
7200 check_changed_vars_3 on each changed var.
7201 (emit_notes_for_differences_1): Clear cur_loc_changed and
7202 in_changed_variables. Recompute cur_loc of new_var.
7203 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
7204 (vt_emit_notes): Initialize and destroy emitted_notes.
7206 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
7208 PR rtl-optimization/42220
7209 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
7210 Use verify_reg_tracked to determine if we should use OP_OUT rather
7212 (build_def_use): If we see an in-out operand for a register that we
7213 know nothing about, treat is an output if possible, fail the block if
7216 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
7219 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
7222 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
7225 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
7226 uses of relevant DEFs that are dead outside the loop too.
7228 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
7230 * var-tracking.c (dataflow_set_merge): Swap src and src2.
7232 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7234 * var-tracking.c (values_to_unmark): New variable.
7235 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7236 values_to_unmark vector. Moved body to...
7237 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7238 instead queue it into values_to_unmark vector.
7239 (vt_find_locations): Free values_to_unmark vector.
7241 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
7243 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
7244 (site.exp): Export them when plugins are enabled.
7246 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
7249 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
7251 (chrec_fold_multiply): Same.
7253 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
7256 * c-decl.c (build_compound_literal): Return early if init is
7259 2010-03-04 Martin Jambor <mjambor@suse.cz>
7261 PR tree-optimization/43164
7262 PR tree-optimization/43191
7263 * tree-sra.c (type_consists_of_records_p): Reject records with
7264 zero-size bit-fields at the end.
7266 2010-03-04 Mike Stump <mikestump@comcast.net>
7268 * Makefile.in (TAGS): Remove *.y.
7270 2010-03-04 Richard Guenther <rguenther@suse.de>
7272 PR tree-optimization/40761
7273 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
7275 (my_rev_post_order_compute): New function.
7276 (init_pre): Call it.
7278 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
7281 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
7282 decrease the cost of an IV candidate when the cost is infinite.
7284 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7286 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
7287 Use '3DNow!' for the extension of that name, ensure normal space
7289 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
7291 2010-03-03 Jeff Law <law@redhat.com>
7293 * PR middle-end/32693
7294 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
7295 than gen_rtx_SUBREG.
7296 (extract_bit_field_1): Likewise.
7298 2010-03-03 Janis Johnson <janis187@us.ibm.com>
7300 * doc/sourcebuild.texi (Test directives): Document that arguments
7301 include-opts and exclude-opts are now optional for dg-skip-if,
7302 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
7304 2010-03-03 Jason Merrill <jason@redhat.com>
7307 * cgraph.h (varpool_node): Add extra_name field.
7308 * varpool.c (varpool_extra_name_alias): New.
7309 (varpool_assemble_decl): Emit extra name aliases.
7310 (varpool_mark_needed_node): Look past an extra name alias.
7311 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
7312 * lto-streamer-in.c (lto_input_tree): Read it.
7313 * lto-streamer-out.c (output_unreferenced_globals): Write it.
7315 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
7317 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
7318 (sparc*-*-solaris2*): ...this.
7320 2010-03-03 Jakub Jelinek <jakub@redhat.com>
7323 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
7324 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
7325 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
7326 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
7329 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
7330 fallthrough to default handling, just with want_address 0 instead of 2.
7331 For single element lists, add_AT_loc directly, otherwise create an
7332 artificial variable DIE and stick location list to it.
7335 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
7336 (VAL_EXPR_HAS_REVERSE): Define.
7337 (reverse_op): New function.
7338 (add_stores): For reversible operations add an extra MO_VAL_USE.
7340 2010-03-02 Jason Merrill <jason@redhat.com>
7342 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
7344 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
7346 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
7347 (sparc64-*-linux*): Likewise.
7348 (sparc64-*-solaris2*): Include assembler files before linker ones.
7349 (sparc-*-solaris2*): Simplify and reorder to match previous case.
7350 * config/sparc/gas.h: Delete.
7351 * config/sparc/sol2-64.h: Add copyright notice.
7352 * config/sparc/sol2-gas-bi.h: Likewise.
7353 * config/sparc/sol2-gld.h: Likewise.
7354 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
7355 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
7356 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
7357 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
7358 (sparc_elf_asm_named_section): Rename into...
7359 (sparc_solaris_elf_asm_named_section): ...this. Always define.
7361 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
7363 * config/alpha/alpha.c (override_options): Fix -mtune error message.
7365 2010-03-02 Jeff Law <law@redhat.com>
7368 * reload1.c (rtx_p, substitute_stack): Declare.
7369 (substitute): Record addresses of changed rtxs.
7370 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
7371 Restore the original rtx when complete.
7372 (reload): Free subsitute_stack when complete.
7374 2010-03-02 Janis Johnson <janis187@us.ibm.com>
7376 * doc/gccint.texi (menu): Add Testsuites as a chapter.
7377 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
7379 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
7380 LTO Testing, gcov Testing, profopt Testing, compat Testing,
7381 Torture Tests): Change from subsection to section.
7383 2010-03-02 Jakub Jelinek <jakub@redhat.com>
7384 Steven Bosscher <steven@gcc.gnu.org>
7386 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
7389 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
7392 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
7393 the assignment from the new induction variable to the assignment
7394 of the value from the original loop PHI function.
7396 2010-03-01 Janis Johnson <janis187@us.ibm.com>
7397 Daniel Jacobowitz <dan@codesourcery.com>
7399 * doc/sourcebuild.texi (Test directives): Clarify options to
7402 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7404 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
7405 Disable cfi directives unless GCC and gas agree on using read-only
7406 .eh_frame sections for 64-bit.
7407 * configure: Regenerate.
7409 2010-03-01 Richard Guenther <rguenther@suse.de>
7411 PR tree-optimization/43220
7412 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
7413 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
7415 2010-03-01 Richard Guenther <rguenther@suse.de>
7416 Martin Jambor <mjambor@suse.cz>
7419 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
7420 gimplified parameters.
7422 2010-03-01 Christian Bruel <christian.bruel@st.com>
7424 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
7426 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
7428 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
7430 2010-03-01 Richard Guenther <rguenther@suse.de>
7433 * expr.c (expand_assignment): Use the alias-oracle to tell
7434 if the rhs aliases the result decl.
7436 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7439 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
7440 to sol_gt_pch_get_address.
7441 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
7442 64-bit, SPARC and x86.
7443 (sol_gt_pch_get_address): New function.
7445 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
7447 * toplev.h (inform_n, error_n): Declare.
7448 * diagnostic.c (inform_n, error_n): New function.
7450 2010-03-01 Jakub Jelinek <jakub@redhat.com>
7452 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
7453 has no rtl yet when processing local_decls, queue it and recheck
7454 if deferred stack allocation hasn't assigned it rtl.
7456 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
7458 * config/sh/sh.c (unspec_bbr_uid): New.
7459 (gen_block_redirect): Use it instead of INSN_UID.
7460 (gen_far_branch): Likewise.
7462 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
7464 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
7465 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
7467 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7469 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
7470 (Warning Options): -Wno-conversion-null is valid for
7471 Objective-C++ as well.
7472 * doc/tm.texi (Named Address Spaces): Likewise.
7473 * doc/plugins.texi (Plugins): Replace TABs with spaces.
7474 * doc/tree-ssa.texi (Tree SSA): Likewise.
7476 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
7479 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
7480 by default. Don't set the default arch for
7481 i[34567]86-*-darwin*|x86_64-*-darwin*.
7483 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
7486 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
7487 default. Set the default 32bit/64bit archs with $with_arch
7488 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
7490 2010-02-27 Richard Guenther <rguenther@suse.de>
7492 PR tree-optimization/43186
7493 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
7494 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
7495 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
7496 unroller iterations.
7498 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
7500 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
7501 required and i[34567]86-*-* targets don't support 64bit ISA.
7503 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
7506 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7509 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
7511 * config.gcc: Set the default arch at least to Prescott for
7512 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
7513 if SSE math is enabled.
7515 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
7517 * diagnostic.c (diagnostic_initialize): Update.
7518 (diagnostic_report_diagnostic): Test inhibit_notes_p for
7520 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
7521 (diagnostic_inhibit_notes): New.
7522 * toplev.c (process_options): inhibit notes with -fcompare-debug.
7524 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
7527 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
7528 * doc/standards.texi: Likewise.
7529 * doc/extend.texi: Likewise.
7530 * doc/trouble.texi: Likewise.
7531 * doc/cppopts.texi: Likewise.
7532 * doc/install.texi: Likewise.
7533 * c.opt (std=c90,std=gnu90): New options.
7534 * c-opts.c (c_common_handle_option): Handle them.
7536 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
7539 * c-decl.c (undeclared_variable): Use an informative note.
7541 2010-02-26 Richard Guenther <rguenther@suse.de>
7543 PR tree-optimization/43186
7544 * gimple.h (gimple_fold): Remove.
7545 * gimple.c (gimple_fold): Remove. Inline into single user ...
7546 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
7547 Try harder for conditions.
7549 2010-02-26 Jakub Jelinek <jakub@redhat.com>
7552 * function.c (used_types_insert): Don't skip through named pointer
7553 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
7554 and it is different from the main variant's type.
7556 2010-02-26 Nick Clifton <nickc@redhat.com>
7558 * config/rx/rx.md (sminsi3): Remove bogus alternative.
7560 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
7562 * config.gcc: Support --with-fpmath=sse for x86.
7564 * config/i386/ssemath.h: New.
7566 * doc/install.texi (--with-fpmath=sse): Documented.
7568 2010-02-26 Richard Guenther <rguenther@suse.de>
7570 PR tree-optimization/43188
7571 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
7572 vector types of over-aligned element type.
7574 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
7577 * config/i386/i386.c (expand_vec_perm_blend): Use correct
7578 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
7580 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
7582 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
7584 2010-02-26 Jakub Jelinek <jakub@redhat.com>
7586 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
7587 * var-tracking.c: Include diagnostic.h.
7588 (debug_dv): New function.
7589 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
7592 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
7593 (add_value_chain, add_value_chains, remove_value_chain,
7594 remove_value_chains): Handle DEBUG_EXPRs.
7595 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
7598 * regcprop.c (struct queued_debug_insn_change): New type.
7599 (struct value_data_entry): Add debug_insn_changes field.
7600 (struct value_data): Add n_debug_insn_changes field.
7601 (debug_insn_changes_pool): New variable.
7602 (free_debug_insn_changes, apply_debug_insn_changes,
7603 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
7604 (kill_value_one_regno): Call free_debug_insn_changes if needed.
7605 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
7607 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
7609 (copyprop_hardreg_forward_1): Don't call apply_change_group for
7610 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
7611 changes, call cprop_find_used_regs via note_stores.
7612 (copyprop_hardreg_forward): When copying vd from predecessor
7613 which has any queued DEBUG_INSN changes, make sure the pointers are
7614 cleared. At the end call df_analyze and then if there are any
7615 DEBUG_INSN changes queued at the end of some basic block for still
7616 live registers, apply them.
7617 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
7619 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
7621 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
7624 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
7626 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
7627 targets. Set the default with_cpu/with_arch from arch/cpu.
7628 Allow x86-64 and native for with_cpu/with_arch.
7630 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
7632 * ebitmap.c: Change calls to verify_popcount with calls to
7633 sbitmap_verify_popcount.
7634 (ebitmap_clear_bit): Fixed map->cacheindex test and
7635 map>cache update when bit clearing results in an empty
7638 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
7641 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
7642 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
7643 and support both V2DF and V2DI modes.
7644 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
7645 support both V2DF and V2DI modes.
7646 (general): Delete trailing whitespace from a few patterns.
7648 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7649 V2DF/V2DI interleave high/low builtins.
7651 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
7654 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
7655 interleave high/low functions.
7657 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
7659 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
7660 #pragma extern_prefix.
7662 2010-02-25 Jakub Jelinek <jakub@redhat.com>
7665 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
7666 BLKmode, assert op0 is a MEM and just adjust its mode.
7669 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
7670 if bitpos isn't multiple of mode's bitsize.
7672 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7674 * c.opt (-ftemplate-depth=): New.
7675 (-ftemplate-depth-): Deprecate.
7676 * optc-gen.awk: Handle -ftemplate-depth=.
7677 * opth-gen.awk: Likewise.
7678 * c-opts.c (c_common_handle_option): Likewise.
7679 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
7681 2010-02-24 Jason Merrill <jason@redhat.com>
7683 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
7685 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7687 * cfg.c (alloc_aux_for_block): Remove inline.
7688 (alloc_aux_for_edge): Likewise.
7690 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7692 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
7694 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7696 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
7697 * config/i386/sol2-gas.h: New file.
7698 * config.gcc (i[34567]86-*-solaris2*): Use it.
7700 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7703 * c-typeck.c (ep_convert_and_check): New.
7704 (build_conditional_expr): Use it.
7705 (build_binary_op): Likewise.
7707 2010-02-24 Jakub Jelinek <jakub@redhat.com>
7709 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
7712 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
7713 bounds even for -O+.
7714 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
7715 expr needs to have DECL_NAME set.
7717 2010-02-24 Nick Clifton <nickc@redhat.com>
7719 * config/mep/mep.c: Include gimple.h.
7720 (mep_function_uses_sp): Delete unused function.
7721 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
7722 parameters. Use unsigned integers to count args. Return a
7723 NULL_RTX instead of an error_mark_node. Toidy up formatting.
7725 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7728 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
7729 greater or equal to nelt instead of 2 * nelt.
7730 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
7733 2010-02-23 Jason Merrill <jason@redhat.com>
7736 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
7737 in cfun->local_decls even if they have register types.
7740 * stor-layout.c (place_field): Don't warn about unnecessary
7741 DECL_PACKED if the type is packed.
7743 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7746 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
7747 GOTOFF relocs, even when the base reg isn't pic pointer.
7749 2010-02-23 Michael Matz <matz@suse.de>
7752 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
7753 (expand_gimple_basic_block): Generate and use debug temps if there
7754 are debug uses left after the last real use of TERed ssa names.
7755 Unlink debug immediate uses when they are expanded.
7757 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
7760 * config/i386/i386.c (override_options): Reorganise to provide
7761 better error messages.
7763 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7766 * graphite-scop-detection.c (create_single_exit_edge): Move
7767 the call to find_single_exit_edge to....
7768 (create_sese_edges): ...here. Don't handle multiple edges
7769 exiting the function.
7770 (build_graphite_scops): Don't handle multiple edges
7771 exiting the function.
7773 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7776 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
7777 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
7779 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7782 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
7784 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
7787 * c-typeck.c (convert_arguments): Print declaration location.
7788 * c-common.c (validate_nargs): Rename as
7789 builtin_function_validate_nargs.
7790 (check_builtin_function_arguments): Update.
7792 2010-02-22 Richard Guenther <rguenther@suse.de>
7795 * tree-inline.c (declare_return_variable): Use the type of
7796 the call stmt lhs if available.
7798 2010-02-22 Duncan Sands <baldrick@free.fr>
7800 * passes.c (register_pass): Always consider all pass lists when
7801 ref_pass_instance_number is zero.
7803 2010-02-22 Richard Guenther <rguenther@suse.de>
7805 PR tree-optimization/42749
7806 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
7807 parameter. Do arithmetic in the original type.
7808 (update_accumulator_with_ops): Likewise.
7809 (adjust_accumulator_values): Adjust.
7811 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7813 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
7814 (QI to BLKmode splitter): New splitter.
7816 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
7818 * config/i386/i386.c (initial_ix86_tune_features): Turn on
7819 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
7821 2010-02-22 Richard Guenther <rguenther@suse.de>
7823 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
7825 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
7827 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
7828 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
7829 ($(T)crti.o, $(T)crtn.o): Remove rules.
7831 2010-02-21 Tobias Burnus <burnus@net-b.de>
7834 * doc/invoke.texi (-fassociative-math): Document that this
7835 option is automatically enabled for Fortran.
7837 2010-02-20 David S. Miller <davem@davemloft.net>
7839 * configure.ac: Test if linker and assembler properly support
7840 GOTDATA_OP relocations.
7841 * configure: Rebuild.
7842 * config.in: Likewise.
7843 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
7844 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
7845 (movsi_high_pic): Likewise.
7846 (movdi_lo_sum_pic): Likewise.
7847 (movdi_high_pic): Likewise.
7848 (movsi_pic_gotdata_op): New pattern.
7849 (movdi_pic_gotdata_op): Likewise.
7850 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
7851 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
7853 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
7856 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
7857 attribute to ssemul.
7858 (xop_mulv2div2di3_high): Ditto.
7860 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7863 * c.opt (Wconversion-null): New option.
7864 * doc/invoke.texi (Wconversion-null): Document.
7866 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7868 * common.opt (Wlarger-than-): Add Undocumented.
7870 2010-02-19 Mike Stump <mikestump@comcast.net>
7872 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
7874 2010-02-19 Jason Merrill <jason@redhat.com>
7877 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
7878 * configure: Likewise.
7880 2010-02-20 Alan Modra <amodra@gmail.com>
7883 * cgraph.h (cgraph_make_decl_local): Declare.
7884 * cgraph.c (cgraph_make_decl_local): New function.
7885 (cgraph_make_node_local): Use it.
7886 * cgraphunit.c (cgraph_function_versioning): Likewise.
7887 * ipa.c (function_and_variable_visibility): Likewise.
7889 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7892 * except.c (sjlj_emit_function_enter): Don't call
7893 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
7895 * rtl.h (add_reg_br_prob_note): Remove prototype.
7897 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
7900 * c-common.c (conversion_warning): Remove widening conversions
7901 before checking the conversion of integers to reals.
7903 2010-02-19 Mike Stump <mikestump@comcast.net>
7906 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
7909 * cgraphunit.c (process_function_and_variable_attributes): Check
7910 DECL_PRESERVE_P instead of looking up attribute "used".
7911 * ipa-pure-const.c (check_decl): Likewise.
7912 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
7913 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
7914 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
7915 instead of attribute "used".
7916 * config/sol2-c.c (solaris_pragma_init): Likewise.
7917 (solaris_pragma_fini): Likewise.
7919 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7921 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
7922 Use XCNEW instead of xcalloc.
7923 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
7924 XNEW instead of xmalloc.
7925 (get_fields): Use XNEWVEC instead of xmalloc.
7928 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
7929 populate vars array.
7930 (create_new_general_access): For debug stmts just reset value.
7931 (get_stmt_accesses): For accesses within debug stmts just record them
7932 using add_access_to_acc_sites instead of preventing the peeling or
7933 counting them as accesses.
7936 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
7938 2010-02-19 Richard Guenther <rguenther@suse.de>
7940 PR tree-optimization/42916
7941 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
7944 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
7946 * configure.ac: Replace all uses of changequote in macro arguments
7947 with proper quoting.
7949 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7952 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
7954 2010-02-19 Richard Guenther <rguenther@suse.de>
7956 PR tree-optimization/42944
7957 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
7958 test for aliasing with errno.
7960 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7963 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
7964 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
7965 * dojump.c: Include output.h.
7966 (inv): New inline function.
7967 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
7968 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
7969 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
7970 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
7971 argument, pass it down to other calls.
7972 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
7973 add REG_BR_PROB note to the conditional jump.
7974 * cfgexpand.c (add_reg_br_prob_note): Removed.
7975 (expand_gimple_cond): Don't call it, add the probability
7976 as last argument to jumpif_1/jumpifnot_1.
7977 * Makefile.in (dojump.o): Depend on output.h.
7978 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
7980 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
7981 * stmt.c (do_jump_if_equal): Likewise.
7982 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
7983 * loop-unswitch.c (compare_and_jump_seq): Likewise.
7984 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
7986 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
7987 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
7988 jumpifnot_1 callers.
7989 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
7991 (store_expr): Adjust jumpifnot caller.
7992 (store_constructor): Adjust jumpif caller.
7995 * gimplify.c (gimple_boolify): For __builtin_expect call
7996 gimple_boolify also on its first argument.
7998 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
8000 * configure.ac (gnu-unique-object): Wrap regexps using [] in
8002 (__stack_chk_fail): Ditto. Remove quadrigraphs.
8003 * configure: Regenerated.
8005 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8007 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
8008 lang_hooks.types_compatible_p instead of comptypes.
8010 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
8012 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
8013 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
8014 if __prefer_thumb__ is defined.
8016 2010-02-18 Martin Jambor <mjambor@suse.cz>
8018 PR tree-optimization/43066
8019 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
8020 array with zero-sized element type.
8022 2010-02-18 Jakub Jelinek <jakub@redhat.com>
8024 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
8025 rtx, allocate struct var_loc_node here and return it to the
8026 caller, and only if it is actually needed.
8027 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
8028 move it earlier and return immediately if it returns NULL.
8030 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
8032 * config/sparc/gas.h: New file. Restore
8033 TARGET_ASM_NAMED_SECTION to its ELF default.
8034 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
8036 * config/sparc/sparc.c (sparc_elf_asm_named_section):
8037 Likewise. Add ATTRIBUTE_UNUSED to prototype.
8038 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
8039 after sparc/sysv4.h.
8041 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
8043 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
8045 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
8047 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
8048 patterns from predicated pattern.
8050 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
8053 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
8054 for insn mnemonic suffix.
8056 2010-02-17 Richard Guenther <rguenther@suse.de>
8058 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
8061 2010-02-17 Jakub Jelinek <jakub@redhat.com>
8064 * caller-save.c (save_call_clobbered_regs): If BB ends with
8065 a DEBUG_INSN, move any notes in between last real insn and the last
8066 DEBUG_INSN after the last DEBUG_INSN.
8068 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
8070 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
8071 Fix return type. Fix argument type. Explain meaning of return value.
8073 2010-02-16 Richard Guenther <rguenther@suse.de>
8075 PR tree-optimization/41043
8076 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
8077 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
8079 (vrp_visit_phi_node): ... but only for loop PHI nodes.
8081 2010-02-16 Ira Rosen <irar@il.ibm.com>
8083 PR tree-optimization/43074
8084 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
8085 * tree-vect-loop.c (vect_analyze_loop_operations): Add
8086 vectorizable cycles in hybrid SLP check.
8087 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
8089 2010-02-16 Richard Guenther <rguenther@suse.de>
8091 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
8092 (true_dependence): If memrefs_conflict_p computes must-alias
8093 trust it. Move TBAA check after offset-based disambiguation.
8094 (canon_true_dependence): Likewise.
8096 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
8098 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
8099 * doc/invoke.texi: Document it.
8100 * var-tracking.c: Include toplev.h and params.h.
8101 (vt_find_locations): Return bool indicating success. Compute
8102 hash sizes unconditionally. Check new parameter, report.
8103 (variable_tracking_main_1): Check vt_find_locations results and
8104 retry. Renamed from...
8105 (variable_tracking_main): ... this. New wrapper to preserve
8106 flag_var_tracking_assignments.
8107 * Makefile.in (var-tracking.o): Adjust dependencies.
8109 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
8110 Jakub Jelinek <jakub@redhat.com>
8113 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
8114 if weak_import attribute is present.
8115 * config/darwin.c (machopic_select_section): Likewise.
8117 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
8119 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
8120 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
8121 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
8122 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
8124 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
8127 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
8130 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
8131 Rewrite text to refer to the names.
8133 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
8135 * config/i386/i386-builtin-types.def
8136 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
8137 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
8138 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
8139 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
8140 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
8141 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
8142 IX86_BUILTIN_VPERMIL2PS256.
8143 (MULTI_ARG_4_DF2_DI_I): Defined.
8144 (MULTI_ARG_4_DF2_DI_I1): Defined.
8145 (MULTI_ARG_4_SF2_SI_I): Defined.
8146 (MULTI_ARG_4_SF2_SI_I1): Defined.
8147 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
8148 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
8149 __builtin_ia32_vpermil2ps256.
8150 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
8151 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
8152 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
8153 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
8154 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
8155 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
8156 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
8157 CODE_FOR_xop_vpermil2v8sf3.
8158 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
8159 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
8160 * config/i386/xopintrin.h (_mm_permute2_pd): New.
8161 (_mm256_permute2_pd): New.
8162 (_mm_permute2_ps): New.
8163 (_mm256_permute2_ps): New.
8165 2010-02-15 Nick Clifton <nickc@redhat.com>
8167 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
8168 boolean parameters. Use emit_jump_insn when emitting a pop
8169 instruction containing a return insn.
8170 (push): Use 'true' rather than '1' as second parameter to F.
8171 (h8300_expand_prologue): Likewise.
8172 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
8173 (h8300_expand_epilogue): Likewise.
8175 2010-02-15 Richard Guenther <rguenther@suse.de>
8178 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
8181 2010-02-15 Nick Clifton <nickc@redhat.com>
8183 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
8186 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
8188 * intl.c (fake_ngettext): New function.
8189 * intl.h (fake_ngettext): Declare.
8190 (ngettext): Define macro.
8191 * collect2.c (notice_translated): New function.
8192 (main): Use notice_translated and ngettext.
8193 * collect2.h (notice_translated): Declare.
8195 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
8197 * reorg.c (delete_computation): Comment fixes.
8198 * caller-save.c (setup_save_areas): Idem.
8199 * sel-sched-dump.c (dump_lv_set): Idem.
8202 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
8204 * config/s390/s390.c (s390_sched_init): New function.
8205 (TARGET_SCHED_INIT): Target hook defined.
8207 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
8208 Jack Howarth <howarth@bromo.med.uc.edu>
8209 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
8212 Partial revert of unintended change in fix for PR41605.
8213 * config/darwin.h: Fix typo.
8214 * config/darwin9.h: Same.
8216 2010-02-11 Jakub Jelinek <jakub@redhat.com>
8218 * c-pch.c (pch_init): Clear v.
8220 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
8223 * graphite-scop-detection.c (graphite_can_represent_scev): Call
8224 graphite_can_represent_init for MULT_EXPR.
8226 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
8230 * graphite-sese-to-poly.c (remove_phi): New.
8231 (translate_scalar_reduction_to_array): Call remove_phi.
8233 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
8236 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
8237 * graphite-clast-to-gimple.h (gloog): Update declaration.
8238 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
8239 * graphite-poly.h (struct poly_bb): Add missing comments.
8240 (struct scop): Add poly_scop_p field.
8242 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
8243 * graphite.c (graphite_transform_loops): Build the polyhedral
8244 representation for each scop before code generation.
8245 * sese.c (rename_variables_in_operand): Removed.
8246 (rename_variables_in_expr): Return the renamed expression.
8247 (rename_sese_parameters): New.
8248 * sese.h (rename_sese_parameters): Declared.
8250 2010-02-11 Richard Guenther <rguenther@suse.de>
8252 PR tree-optimization/42998
8253 * tree-ssa-pre.c (create_expression_by_pieces): Treat
8254 POINTER_PLUS_EXPR properly.
8256 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
8257 Changpeng Fang <changpeng.fang@amd.com>
8260 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
8261 the cost of an IV candidate when the IV is used in a test against zero.
8263 * gcc.dg/tree-ssa/ivopts-3.c: New.
8265 2010-02-11 Richard Guenther <rguenther@suse.de>
8268 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
8269 pointer-vs-decl case by swapping refs. Handle some cases
8270 of pointer-vs-decl disambiguations more conservatively.
8271 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
8272 to false after expanding.
8274 2010-02-11 Richard Guenther <rguenther@suse.de>
8277 * gcc.c (process_command): Handle LTO file@offset case more
8280 2010-02-11 Jakub Jelinek <jakub@redhat.com>
8282 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
8283 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
8285 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
8287 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
8288 if MEM's mode size isn't DWARF2_ADDR_SIZE.
8289 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
8290 Optimize eq/ne comparisons when both arguments are known to be
8292 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
8293 Don't mask operands unnecessarily if they are known to be already
8296 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
8298 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
8301 2010-02-10 Richard Guenther <rguenther@suse.de>
8303 PR tree-optimization/43017
8304 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
8305 for wrapping signed arithmetic.
8307 2010-02-10 Jakub Jelinek <jakub@redhat.com>
8310 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
8311 if no debug info should be emitted for it.
8313 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
8315 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
8316 note when flag_exceptions is set.
8318 2010-02-10 Duncan Sands <baldrick@free.fr>
8320 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
8322 2010-02-10 Richard Guenther <rguenther@suse.de>
8325 * tree.c (get_unwidened): Handle constants.
8326 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
8328 2010-02-10 Martin Jambor <mjambor@suse.cz>
8331 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
8332 check for variable argument counts independently.
8334 2010-02-10 Christian Bruel <christian.bruel@st.com>
8337 * config/sh/sh.c (find_barrier): Increase length for non delayed
8338 conditional branches.
8340 2010-02-10 Christian Bruel <christian.bruel@st.com>
8342 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
8344 2010-02-10 Jakub Jelinek <jakub@redhat.com>
8346 * builtins.c (set_builtin_user_assembler_name): Also handle
8347 ffs if int is smaller than word.
8349 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
8352 * ira-conflicts.c (get_dup): Remove.
8353 (process_reg_shuffles): Add new parameter. Use it as an
8354 additional guard for copy generation.
8355 (add_insn_allocno_copies): Rewrite.
8357 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
8359 * common.opt (fsched2-use-traces): Preserved for backward
8361 * doc/invoke.texi: Remove the documentation about option
8362 -fsched2-use-traces.
8363 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
8364 flag_sched2_use_traces.
8365 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
8366 the backward compatibility flag section.
8368 2010-02-09 Richard Guenther <rguenther@suse.de>
8370 PR tree-optimization/43008
8371 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
8372 make HEAP variables initialized from global memory if they
8373 are not known builtin functions.
8374 (find_func_aliases): Adjust.
8376 2010-02-09 Richard Guenther <rguenther@suse.de>
8378 PR tree-optimization/43000
8379 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
8380 arithmetic manually.
8382 2010-02-08 Jakub Jelinek <jakub@redhat.com>
8384 PR tree-optimization/42931
8385 * tree-loop-linear.c (try_interchange_loops): Don't call
8386 double_int_mul if estimated_loop_iterations failed.
8388 2010-02-08 Martin Jambor <mjambor@suse.cz>
8391 * tree-sra.c (build_accesses_from_assign): Do not mark in
8392 should_scalarize_away_bitmap if stmt has volatile ops.
8393 (sra_modify_assign): Do not process assigns piecemeal if if stmt
8396 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
8398 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
8400 2010-02-07 Adam Nemet <adambnmet@gmail.com>
8402 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
8405 2010-02-07 Andrew Pinski <pinskia@gmail.com>
8408 * df-core.c (df_finish_pass): Change type of saved_flags to int.
8410 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
8413 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
8414 to unknown_dependence.
8415 (graphite_legal_transform_dr): Handle the unknown_dependence.
8416 (graphite_carried_dependence_level_k): Same.
8418 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
8420 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
8422 2010-02-07 Richard Guenther <rguenther@suse.de>
8425 * expr.c (get_inner_reference): Always initialize *pbitsize.
8427 2010-02-07 Richard Guenther <rguenther@suse.de>
8430 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
8431 new ARRAY_REFs on variable size element or minimal index arrays.
8433 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
8434 gimple_fold_indirect_ref.
8436 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
8439 * arm.c (arm_override_options): Just return if the user has specified
8440 an invalid fpu name.
8442 2010-02-03 Jason Merrill <jason@redhat.com>
8445 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
8446 i386_pe_maybe_record_exported_symbol.
8448 2010-02-05 Steve Ellcey <sje@cup.hp.com>
8451 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8452 (pa_delegitimize_address): New function.
8454 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
8456 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
8457 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
8459 2010-02-05 Richard Guenther <rguenther@suse.de>
8462 * lto-streamer-in.c (get_resolution): Deal with references
8463 to undefined functions.
8465 2010-02-05 Richard Guenther <rguenther@suse.de>
8467 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
8468 (fold_const_aggregate_ref): Likewise.
8469 (ccp_fold_stmt): Substitute loads.
8470 (maybe_fold_reference): Verify types before substituting.
8472 (fold_gimple_assign): Unshare properly.
8473 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
8475 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
8477 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
8478 for rs6000_gen_cell_microcode.
8480 2010-02-04 Richard Guenther <rguenther@suse.de>
8482 PR rtl-optimization/42952
8483 * dse.c (const_or_frame_p): Remove MEM handling.
8485 2010-02-04 Nick Clifton <nickc@redhat.com>
8487 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
8488 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
8489 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
8490 (mn10300_asm_output_mi_thunk): New function.
8491 (mn10300_can_output_mu_thunk): New function.
8492 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
8493 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
8494 (FUNCTION_ARG): Delete incorrect comment.
8496 2010-02-03 Jason Merrill <jason@redhat.com>
8499 * fold-const.c (operand_equal_p): Handle erroneous types.
8501 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
8503 * config/h8300/h8300.md (can_delay): Fix attibute condition.
8505 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
8507 PR rtl-optimization/42941
8508 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
8511 2010-02-03 Jason Merrill <jason@redhat.com>
8514 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
8516 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
8519 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
8520 (cselib_reset_table): Renamed from...
8521 (cselib_reset_table_with_next_value): ... this.
8522 (cselib_get_next_uid): Renamed from...
8523 (cselib_get_next_unknown_value): ... this.
8524 * cselib.c (next_uid): Renamed from...
8525 (next_unknown_value): ... this.
8526 (cselib_clear_table): Adjust.
8527 (cselib_reset_table): Adjust. Renamed from...
8528 (cselib_reset_table_with_next_value): ... this.
8529 (cselib_get_next_uid): Adjust. Renamed from...
8530 (cselib_get_next_unknown_value): ... this.
8531 (get_value_hash): Use hash.
8532 (cselib_hash_rtx): Likewise.
8533 (new_cselib_val): Adjust. Set and dump uid.
8534 (cselib_lookup_mem): Pass next_uid as hash.
8535 (cselib_subst_to_values): Likewise.
8536 (cselib_log_lookup): Dump uid.
8537 (cselib_lookup): Pass next_uid as hash. Adjust.
8538 (cselib_process_insn): Adjust.
8539 (cselib_init): Initialize next_uid.
8540 (cselib_finish): Adjust.
8541 (dump_cselib_table): Likewise.
8542 * dse.c (canon_address): Dump value uid.
8543 * print-rtl.c (print_rtx): Print value uid.
8544 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
8546 (dv_uid): New function, sort of renamed from...
8547 (dv_htab_hash): ... this, reimplemented in terms of it and...
8548 (dv_uid2hash): ... this. New.
8549 (variable_htab_eq): Drop excess assertions.
8550 (tie_break_pointers): Removed.
8551 (canon_value_cmp): Compare uids.
8552 (variable_post_merge_New_vals): Print uids.
8553 (vt_add_function_parameters): Adjust.
8554 (vt_initialize): Reset table. Adjust.
8556 2010-02-03 Richard Guenther <rguenther@suse.de>
8558 PR tree-optimization/42944
8559 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
8560 (call_may_clobber_ref_p_1): Likewise. Properly handle
8561 malloc and calloc clobbering errno.
8563 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
8565 * doc/invoke.texi: Fix name of sched1 dump.
8567 * opts.c (decode_options): Set flag_tree_switch_conversion
8568 only conditionally on optimize >= 2.
8570 * gcse.c: Assorted comment fixes in pass description.
8572 2010-02-03 Anthony Green <green@moxielogic.com>
8574 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
8575 nop padding in order to maintain alignment of storage location of
8576 target function address.
8577 (moxie_trampoline_init): Store target function address at newly
8579 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
8581 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
8583 2010-02-03 Richard Guenther <rguenther@suse.de>
8586 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
8588 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8590 * config.gcc: Reenable check for obsolete targets.
8591 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
8592 mips-sgi-irix6.[0-4]*.
8594 2010-02-02 Nick Clifton <nickc@redhat.com>
8596 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
8597 constant size of 4 as being the same as 0.
8598 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
8599 can take values in the range 0..4.
8601 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
8604 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
8605 as _darwin10_Unwind_FindEnclosingFunction().
8606 * libgcc-libsystem.ver: New.
8608 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
8611 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
8612 implicitly set registers.
8614 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
8616 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
8617 (arm_override_options): Allow automatic selection of the thread
8618 pointer register if thumb2.
8619 (legitimize_pic_address): Improve code sequences for Thumb2.
8620 (arm_call_tls_get_addr): Likewise.
8621 (legitimize_tls_address): Likewise.
8622 * arm.md (pic_load_addr_arm): Delete. Replace with ...
8623 (pic_load_addr_32bit): ... this. New named pattern.
8624 * thumb2.md (pic_load_addr_thumb2): Delete.
8625 (pic_load_dot_plus_four): Delete.
8626 (tls_load_dot_plus_four): New named pattern.
8628 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8631 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
8632 Document fix for TLS bug.
8634 2010-01-31 Richard Guenther <rguenther@suse.de>
8636 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
8637 conservatively correct.
8639 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8643 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8645 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8647 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8649 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
8651 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
8653 * config.gcc: Adjust order of makefile fragments for mingw targets.
8655 2010-01-31 Richard Guenther <rguenther@suse.de>
8658 * gimplify.c (gimplify_init_constructor): For volatile LHS
8659 initialize a temporary.
8661 2010-01-31 Matthias Klose <doko@ubuntu.com>
8663 * configure.ac: Fix __stack_chk_fail check for cross builds configured
8665 * configure: Regenerate.
8667 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
8669 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
8670 the same alias set and their sizes different constantness.
8671 (aliasing_component_refs_p): Revert 2009-10-24 change.
8673 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8675 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
8678 2010-01-29 Richard Guenther <rguenther@suse.de>
8680 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
8681 Assert we successfully updated the call.
8683 2010-01-29 Jakub Jelinek <jakub@redhat.com>
8685 PR rtl-optimization/42889
8686 * df.h (df_set_bb_dirty_nonlr): New prototype.
8687 * df-core.c (df_set_bb_dirty_nonlr): New function.
8688 * df-scan.c (df_insn_rescan): Call it instead of
8689 df_set_bb_dirty for DEBUG_INSNs.
8691 2010-01-29 Richard Guenther <rguenther@suse.de>
8694 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
8695 quadratic behavior in most cases.
8697 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
8700 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
8701 in the call to gen_x86_movsicc_0_m1.
8703 2010-01-28 Richard Guenther <rguenther@suse.de>
8705 PR tree-optimization/42871
8706 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
8708 2010-01-28 Richard Guenther <rguenther@suse.de>
8710 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
8711 into call arguments.
8713 2010-01-28 Richard Guenther <rguenther@suse.de>
8716 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
8717 the forwarder if the destination is an EH landing pad.
8719 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
8721 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
8722 block list passed to gimple_duplicate_sese_tail.
8723 (parallelize_loops): Avoid parallelization when the function
8725 Avoid parallelization when the preheader is IRREDUCIBLE.
8726 Try to optimize when estimated_loop_iterations_int is unresolved.
8727 Add the loop's location to the dump file.
8728 * tree-cfg.c (add_phi_args_after_redirect): Remove.
8729 (gimple_duplicate_sese_tail): Remove the check for the latch.
8730 Redirect nexits to the exit block.
8731 Remove handling of the incoming edges to the latch.
8732 Redirect the backedge from the copied latch to the exit bb.
8734 2010-01-28 Michael Matz <matz@suse.de>
8737 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
8738 Wrap force_reg into a sequence, emit it before user.
8740 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
8742 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
8744 (arm_legacy_rev): Likewise.
8745 (thumb_legacy_rev): Likewise.
8747 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8749 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
8750 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
8751 on MEM's address failed, try avoid_constant_pool_reference and
8752 recurse if it returned something different.
8753 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
8754 address, try avoid_constant_pool_reference and recurse if it
8755 returned something different.
8756 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
8757 address and avoid_constant_pool_reference returned something
8758 different, don't set have_address.
8760 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
8763 * var-tracking.c (val_store): Add modified argument, obey it.
8765 (count_uses): Move down logging of main.
8766 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
8767 don't need resolution.
8768 (emit_notes_in_bb): Likewise.
8770 2010-01-27 Richard Guenther <rguenther@suse.de>
8773 * tree-inline.c (remap_decl): Delay remapping of SSA name
8774 default definitions until we need them.
8776 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8778 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8779 (rs6000_delegitimize_address): New function.
8781 * config/s390/s390.c (s390_delegitimize_address): Call
8782 delegitimize_mem_from_attrs.
8785 * tree-inline.c (cannot_copy_type_1): Removed.
8786 (copy_forbidden): Don't forbid copying of functions containing
8787 records/unions with variable length fields.
8789 2010-01-27 Christian Bruel <christian.bruel@st.com>
8793 * config/sh/sh.c (find_barrier): Increase length for non delayed
8794 conditional branches.
8796 2010-01-27 Matthias Klose <doko@ubuntu.com>
8798 * configure.ac (gnu-unique-object): Fix ldd version check.
8799 * configure: Regenerate.
8801 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8803 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
8805 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
8806 Test for HAVE_GNU_AS value.
8808 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8810 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
8811 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
8812 INT64_TYPE): Define.
8813 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
8814 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8815 INT_LEAST64_TYPE): Define.
8816 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
8817 UINT_LEAST64_TYPE): Define.
8818 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
8819 INT_FAST64_TYPE): Define.
8820 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8821 UINT_FAST64_TYPE): Define.
8822 (INTMAX_TYPE, UINTMAX_TYPE): Define.
8823 (INTPTR_TYPE, UINTPTR_TYPE): Define.
8824 (SIG_ATOMIC_TYPE): Define.
8826 2010-01-26 Richard Guenther <rguenther@suse.de>
8828 * df-scan.c (df_scan_set_bb_info): Remove assert.
8829 (df_insn_rescan_debug_internal): Merge asserts.
8830 (df_install_ref): Likewise.
8831 (df_mark_reg): Use bitmap_set_range.
8832 (df_hard_reg_used_p): Remove assert.
8833 (df_hard_reg_used_count): Likewise.
8835 2010-01-26 Richard Guenther <rguenther@suse.de>
8837 PR rtl-optimization/42685
8838 * web.c (web_main): Ignore DEBUG_INSNs.
8840 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
8842 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
8844 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
8845 Fix types of fndecl and arglist parameters.
8847 2010-01-26 Richard Guenther <rguenther@suse.de>
8850 * tree-eh.c (unsplit_eh): Skip debug insns.
8852 2010-01-26 Richard Guenther <rguenther@suse.de>
8854 PR tree-optimization/42250
8855 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
8857 2010-01-26 Jakub Jelinek <jakub@redhat.com>
8860 * omp-low.c (expand_omp_sections): Only use single_pred if
8861 l2_bb is single_pred_p.
8863 2010-01-25 Christian Bruel <christian.bruel@st.com>
8866 * config/sh/sh.c (find_barrier): Increase length for non delayed
8867 conditional branches.
8868 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
8870 2010-01-24 David S. Miller <davem@davemloft.net>
8872 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
8873 define if not using GAS.
8874 * config/sparc/sparc.c (sparc_elf_asm_named_section):
8875 Likewise. Delete SECTION_MERGE code, which is only applicable
8878 2010-01-24 Mark Mitchell <mark@codesourcery.com>
8881 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
8882 mangling of va_list in system headers.
8884 2010-01-23 Toon Moene <toon@moene.org>
8886 * tree-predcom.c (combine_chains): Return NULL, not false.
8888 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
8890 * tree-loop-distribution.c (distribute_loop): Fix declaration and
8891 initialization of variable res to agree with return type.
8893 2010-01-22 Steve Ellcey <sje@cup.hp.com>
8895 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
8896 * tree-sra.c: Add include of expr.h.
8898 2010-01-22 Jakub Jelinek <jakub@redhat.com>
8900 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
8901 insert the debug stmt on the single non-EH edge from the stmt.
8903 2010-01-22 Richard Henderson <rth@redhat.com>
8906 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
8907 the RHS until after generate_subtree_copies has insertted its
8908 code before the current statement.
8910 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
8912 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
8914 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
8916 2010-01-21 Martin Jambor <mjambor@suse.cz>
8918 PR tree-optimization/42585
8919 * tree-sra.c (struct access): New field grp_total_scalarization.
8920 (dump_access): Dump the new field.
8921 (should_scalarize_away_bitmap): New variable.
8922 (cannot_scalarize_away_bitmap): Likewise.
8923 (sra_initialize): Allocate new bitmaps.
8924 (sra_deinitialize): Free new bitmaps.
8925 (create_access_1): New function.
8926 (create_access): Parts moved to create_access_1.
8927 (type_consists_of_records_p): New function.
8928 (completely_scalarize_record): Likewise.
8929 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
8930 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
8931 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
8933 (analyze_all_variable_accesses): Completely scalarize small eligible
8936 2010-01-21 Martin Jambor <mjambor@suse.cz>
8938 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
8940 2010-01-21 Andrew Haley <aph@redhat.com>
8942 * gcc.c (process_command): Move lang_specific_driver before
8943 setting cc_libexec_prefix.
8945 2010-01-21 Richard Guenther <rguenther@suse.de>
8948 * fold-const.c (negate_expr_p): Pretend only negative
8949 real constants are easily negatable.
8951 2010-01-20 Janis Johnson <janis187@us.ibm.com>
8952 Jason Merrill <jason@redhat.com>
8954 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
8955 (TYPE_TRANSPARENT_AGGR): this, for union and record.
8956 * calls.c (initialize argument_information): Handle it.
8957 * c-common.c (handle_transparent_union_attribute): Use new name.
8958 * c-decl.c (finish_struct): Ditto.
8959 * c-typeck.c (type_lists_compatible_p): Ditto.
8960 (convert_for_assignment): Use new name and also handle record.
8961 * function.c (aggregate_value_p): Handle it.
8962 (pass_by_reference): Ditto.
8963 (assign_parm_data_types): Ditto.
8964 * print-tree.c (print_node): Ditto.
8965 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
8966 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
8967 * tree.c (first_field): New fn.
8969 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
8972 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
8973 even when linking statically, for now.
8975 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8978 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
8979 without a cselib val.
8980 (count_uses): Accept MO_VAL_SET with no val on stores.
8981 (add_stores): Likewise.
8983 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8985 * var-tracking.c (check_value_val): Add a compile time assertion.
8986 (dv_is_decl_p): Simplify.
8987 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
8988 gcc_assert if ENABLE_CHECKING.
8990 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8993 * var-tracking.c: Include tree-flow.h.
8994 (mem_dies_at_call): New.
8995 (dataflow_set_preserve_mem_locs): Use it.
8996 (dataflow_set_remove_mem_locs): Likewise.
8997 (dump_var): Renamed from dump_variable. Adjust all callers.
8998 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
8999 * Makefile.in (var-tracking.o): Adjust deps.
9001 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
9003 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
9005 2010-01-20 Richard Guenther <rguenther@suse.de>
9007 PR tree-optimization/42717
9008 * tree-ssa-dce.c (get_live_post_dom): Remove.
9009 (forward_edge_to_pdom): Take an arbitrary edge to copy
9010 degenerate PHI args from.
9011 (remove_dead_stmt): Use the first post-dominator even if it
9012 does not contain live statements as redirection destination.
9014 2010-01-20 Richard Guenther <rguenther@suse.de>
9016 * tree-inline.c (estimate_num_insns): Handle EH builtins.
9018 2010-01-20 Jakub Jelinek <jakub@redhat.com>
9020 * sel-sched.c (create_speculation_check): Remove set but not used
9022 (try_transformation_cache): Remove set but not used variable ds.
9023 (calculate_privileged_insns): Remove set but not used variables
9024 cur_insn and min_spec_insn.
9025 (find_best_expr): Remove set but not used variable avail_n.
9026 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
9028 * cgraphunit.c (assemble_thunk): Remove set but not used variable
9030 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
9031 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
9034 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
9037 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
9038 cpu types. Add support for *-sse3 cpu types.
9039 (x86_64-*-*): Ditto.
9041 2010-01-20 Jakub Jelinek <jakub@redhat.com>
9044 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
9045 argument, call initializer_constant_valid_p_1 instead of
9046 initializer_constant_valid_p, pass CACHE to it, return NULL
9047 immediately if first call returns NULL.
9048 (initializer_constant_valid_p_1): New function.
9049 (initializer_constant_valid_p): Use it.
9051 2010-01-20 Thomas Quinot <quinot@adacore.com>
9053 * tree.def (PLACEHOLDER_EXPR): Fix comment.
9055 2010-01-20 Jakub Jelinek <jakub@redhat.com>
9057 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
9058 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
9059 (loc_list_from_tree): Don't handle unsigned division. Handle
9060 signed modulo using DW_OP_{over,over,div,mul,minus}.
9061 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
9062 modulo instead of signed.
9064 2010-01-20 DJ Delorie <dj@redhat.com>
9066 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
9068 (h8300_emit_stack_adjustment): Propogate it.
9070 (h8300_expand_prologue): Likewise.
9071 (h8300_expand_epilogue): Likewise.
9073 2010-01-19 Michael Matz <matz@suse.de>
9075 PR tree-optimization/41783
9076 * tree-data-ref.c (toplevel): Include flags.h.
9077 (dump_data_dependence_relation): Also dump the inputs if the
9078 result will be unknown.
9079 (split_constant_offset_1): Look through some conversions.
9080 * tree-predcom.c (determine_roots_comp): Restart a new chain if
9081 the offset from last element is too large.
9082 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
9083 (reassociate_to_the_same_stmt): Handle vector registers.
9084 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
9086 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
9087 wide_prolog_niters argument, emit widening instructions.
9088 (vect_do_peeling_for_alignment): Adjust caller, use widened
9089 variant of the iteration cound.
9090 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
9092 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
9095 * config/arm/neon-testgen.m (emit_automatics): New parameter
9096 features. Adjust for Fixed_return_reg feature.
9097 (test_intrinsic): Call emit_automatics with new feature.
9098 * config/arm/neon.ml: Update copyright years.
9099 (features): New Fixed_return_reg feature.
9100 (ops): Update feature for Vget_low.
9102 2010-01-19 Jakub Jelinek <jakub@redhat.com>
9104 PR tree-optimization/42719
9105 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
9109 * fwprop.c (all_uses_available_at): Return false if def_set dest
9110 is a REG that is used in def_insn.
9112 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
9114 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
9116 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
9119 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
9121 * target.h (struct gcc_target) <secondary_reload>: Change type
9122 of last argument to secondary_reload_info *.
9124 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
9127 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
9128 memory references with unaligned offsets. Remove CQImode handling.
9129 (unaligned_memory_operand): Return 1 for memory references with
9130 unaligned offsets. Remove CQImode handling.
9132 2010-01-18 Richard Guenther <rguenther@suse.de>
9135 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
9138 2010-01-18 Richard Guenther <rguenther@suse.de>
9140 PR tree-optimization/42781
9141 * tree-ssa-structalias.c (find_what_var_points_to): Skip
9142 restrict processing only if the original variable was artificial.
9144 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
9146 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
9147 find number of popped argument bytes.
9149 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
9150 Fix the text that describes the return value for invalid insns.
9152 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
9154 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
9155 Clarify what 'cost of the -dependence' is. Fix quoting.
9157 * toplev.c (default_get_pch_validity): Rename argument to "sz".
9158 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
9160 2010-01-17 Jakub Jelinek <jakub@redhat.com>
9162 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
9163 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
9165 2010-01-17 Richard Guenther <rguenther@suse.de>
9168 * function.c (split_complex_args): Take a VEC to modify.
9169 (assign_parms_augmented_arg_list): Build a VEC instead of
9170 a chain of PARM_DECLs.
9171 (assign_parms_unsplit_complex): Take a VEC of arguments.
9172 Do not fixup unmodified parms.
9173 (assign_parms): Deal with the VEC.
9174 (gimplify_parameters): Likewise.
9176 2010-01-17 Richard Guenther <rguenther@suse.de>
9178 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
9179 node existence check.
9180 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
9181 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
9182 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
9183 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
9184 (gimple_execute_on_growing_pred): Likewise.
9186 2010-01-17 Richard Guenther <rguenther@suse.de>
9188 PR tree-optimization/42773
9189 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
9190 (compute_antic_aux): Likewise.
9191 (compute_partial_antic_aux): Likewise.
9193 2010-01-17 Jie Zhang <jie.zhang@analog.com>
9196 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
9199 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
9201 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
9204 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
9205 Fix markup for strict argument.
9207 (TARGET_SCHED_REORDER2): Fix argument types.
9209 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
9210 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
9212 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
9213 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
9215 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
9218 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
9219 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
9220 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
9221 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
9222 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
9224 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
9226 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
9228 (TARGET_ASM_RELOC_RW_MASK): Add return type.
9229 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
9231 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
9233 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
9236 (TARGET_ASM_NAMED_SECTION): Fix argument list.
9238 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
9239 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
9241 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
9243 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
9245 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
9246 referring to it. Fix language.
9248 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
9250 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
9252 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
9254 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
9256 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
9257 '@var{stream}. Remove stray 'and'.
9259 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
9261 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
9263 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
9265 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
9266 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
9268 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
9269 Fix description of return value.
9270 Rename argument "sz" to "len."
9272 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
9273 Clarify meaning of 'true' return value.
9275 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
9277 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
9278 rep_mode versus mode_rep.
9280 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
9282 (TARGET_BUILTIN_DECL): Fix name.
9284 (TARGET_COMMUTATIVE_P): Fix type of first argument.
9286 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
9288 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
9290 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
9292 (TARGET_RELAXED_ORDERING): Use @deftypevr.
9294 (TARGET_GET_DRAP_RTX): Note that this is a hook.
9297 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
9298 Rename argument tm_fn to md_fn.
9300 (TARGET_OPTION_PRINT): Fix argument list.
9302 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
9305 * config/i386/i386.c (ix86_fixup_binary_operands):
9306 Revert FMA4 fixup of operands.
9308 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9311 * Makefile.in (write_entries_to_file, install-plugin):
9312 Use \012 instead of \n with tr.
9314 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
9316 * configure.ac (HAVE_AS_REF): New C macro.
9317 * configure: Regenerate.
9318 * config.in: Likewise.
9319 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
9321 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
9324 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
9326 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
9328 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
9330 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
9332 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
9334 (TARGET_IN_SMALL_DATA_P): Fix argument type.
9336 (TARGET_BINDS_LOCAL_P): Fix argument type.
9338 (TARGET_ASM_FILE_END): Use prototype.
9340 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
9342 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
9344 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
9346 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
9348 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
9349 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
9351 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
9352 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
9354 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
9355 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
9356 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
9357 (TARGET_ADDR_SPACE_CONVERT): Likewise.
9359 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
9361 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
9363 (TARGET_INIT_BUILTINS): Use prototype.
9365 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9366 Put 'const char *' in braces. Fix parameter types.
9367 (TARGET_INVALID_CONVERSION): Fix parameter types.
9368 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
9369 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
9371 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
9374 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
9376 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
9378 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
9380 * doc/tm.texi (TARGET_HELP): Fix return type.
9382 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
9383 in braces. Fix argument types.
9385 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
9387 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
9389 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
9391 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
9392 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
9394 (TARGET_MANGLE_TYPE): Fix argument types.
9396 (TARGET_IRA_COVER_CLASSES): Use prototype.
9398 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
9400 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
9402 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
9404 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
9406 (TARGET_CALLEE_COPIES): Fix argument types.
9408 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
9410 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
9412 (TARGET_FUNCTION_VALUE): Fix argument types.
9414 (TARGET_RETURN_IN_MSB): Fix argument type.
9416 (TARGET_RETURN_IN_MEMORY): Fix argument types.
9418 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
9420 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
9422 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
9423 agree with return type.
9425 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
9427 2010-01-15 Jing Yu <jingyu@google.com>
9429 PR rtl-optimization/42691
9430 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
9431 a pseudo to a constant and are merged, and adjust comments.
9433 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
9435 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
9437 2010-01-15 Richard Guenther <rguenther@suse.de>
9440 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
9441 labels of computed or non-local gotos to the destination.
9442 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
9443 landing pad label is the first label.
9445 2010-01-15 Richard Guenther <rguenther@suse.de>
9447 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
9449 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
9452 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
9453 to allow generation of the xssqrtdp instruction on power7.
9454 (sqrtdf2_fpr): Ditto.
9456 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9459 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
9460 functions with noreturn attribute.
9463 * varasm.c (declare_weak): Add weak attribute to decl if it
9464 doesn't have one already.
9465 (assemble_external): Only add decls to weak_decls if they also
9466 have weak attribute.
9468 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
9470 * var-tracking.c (var_reg_delete): Don't delete the association
9471 between REGs and values or one-part variables if the register
9474 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9477 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
9478 because its first operand is a non-localized variable.
9480 2010-01-14 Martin Jambor <mjambor@suse.cz>
9482 PR tree-optimization/42706
9483 * tree-sra.c (encountered_recursive_call): New variable.
9484 (encountered_unchangable_recursive_call): Likewise.
9485 (sra_initialize): Initialize both new variables.
9486 (callsite_has_enough_arguments_p): New function.
9487 (scan_function): Call decl and flags check only for IPA-SRA, check
9488 whether there is a recursive call and whether it has enough arguments.
9489 (all_callers_have_enough_arguments_p): New function.
9490 (convert_callers): Look for recursive calls only when
9491 encountered_recursive_call is set.
9492 (ipa_early_sra): Bail out either if
9493 !all_callers_have_enough_arguments_p or
9494 encountered_unchangable_recursive_call.
9496 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9498 * sel-sched.c: Add 2010 to copyright years.
9499 * sel-sched-ir.c: Likewise.
9500 * sel-sched-ir.h: Likewise.
9502 2010-01-14 Martin Jambor <mjambor@suse.cz>
9504 PR tree-optimization/42714
9505 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
9506 constructors specially.
9508 2010-01-14 Andi Kleen <ak@linux.intel.com>
9510 * config/i386/drivers-i386.c (detect_caches_intel):
9511 Add l2sizekb parameter and fill in.
9512 (host_detect_local_cpu): Add l2sizekb, fill in.
9513 Add Atom small cache heuristic.
9515 2010-01-14 Andi Kleen <ak@linux.intel.com>
9517 * config/i386/drivers-i386.c (detect_caches_cpuid4):
9518 Add level3 parameter and fill in.
9519 (detect_caches_intel): Handle level3 cache.
9521 2010-01-14 Andi Kleen <ak@linux.intel.com>
9523 * config/i386/drivers-i386.c (host_detect_local_cpu):
9524 Fix core duo detection.
9526 2010-01-14 Andi Kleen <ak@linux.intel.com>
9528 * config/i386/drivers-i386.c (host_detect_local_cpu):
9531 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9533 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
9534 (rs6000_variable_issue_1): this. Use...
9535 (rs6000_variable_issue): here. Reimplement. Print debug info.
9537 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9539 * sel-sched-ir.c (sel_restore_other_notes): Rename to
9540 sel_restore_notes. Update all callers. Call reemit_notes
9543 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9545 PR rtl-optimization/42246
9546 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
9549 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9551 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
9552 all successors is the same as number of successors in current region.
9554 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9556 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
9557 to rename is not separable. Otherwise check that its LHS is not NULL.
9559 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9561 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
9563 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9565 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
9566 available registers when failed to discover LHS register class.
9567 Fix indentation. Update comment.
9569 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9570 Alexander Monakov <amonakov@ispras.ru>
9572 PR rtl-optimization/42389
9573 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
9575 (advance_state_on_fence): Likewise.
9576 (sel_target_adjust_priority): Print debug output only when
9577 sched_verbose >= 4, not 2.
9578 (get_expr_cost): Do not issue all unique insns on the next cycle.
9579 (fill_insns): Initialize can_issue_more from the value saved
9581 * sel-sched-ir.c (flist_add): New parameter issue_more.
9582 Init FENCE_ISSUE_MORE with it.
9583 (merge_fences): Likewise.
9584 (init_fences): Update call to flist_add.
9585 (add_to_fences, add_clean_fence_to_fences)
9586 (add_dirty_fence_to_fences): Likewise.
9587 (move_fence_to_fences): Update call to merge_fences.
9588 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
9590 * sel-sched-ir.h (struct _fence): New field issue_more.
9591 (FENCE_ISSUE_MORE): New accessor macro.
9593 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9595 PR rtl-optimization/42388
9596 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
9597 that have no predecessors nor successors. Do not call move_bb_info
9598 for empty blocks outside of current region.
9600 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9602 PR rtl-optimization/42294
9603 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
9604 * sel-sched.c (move_exprs_to_boundary): Transitively add all
9605 originators' originators.
9607 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
9609 PR rtl-optimization/39453
9610 PR rtl-optimization/42246
9611 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
9613 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
9615 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9616 Alexander Monakov <amonakov@ispras.ru>
9619 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
9620 (maybe_tidy_empty_bb): ... here. Make static. Add new
9621 argument. Update all callers.
9622 (tidy_control_flow): ... and here. Recompute topological order
9623 of basic blocks in region if necessary.
9624 (sel_redirect_edge_and_branch): Change return type. Return true
9625 if topological order might have been invalidated.
9626 (purge_empty_blocks): Export and move from...
9627 * sel-sched.c (purge_empty_blocks): ... here.
9628 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
9629 (maybe_tidy_empty_bb): Delete prototype.
9630 (purge_empty_blocks): Declare.
9632 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9634 PR rtl-optimization/42249
9635 * sel-sched.c (try_replace_dest_reg): When chosen register
9636 and original register is the same, do not bail out early, but
9637 still check all original insns for validity of replacing destination
9638 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
9641 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9644 Port from no-undefined-overflow branch:
9645 2009-03-09 Richard Guenther <rguenther@suse.de>
9647 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
9649 2010-01-14 Richard Guenther <rguenther@suse.de>
9652 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
9654 2010-01-14 Ira Rosen <irar@il.ibm.com>
9656 PR tree-optimization/42709
9657 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
9658 as scalar type in creation of constant vector operand.
9660 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9663 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
9664 (check-parallel-%): Match `testsuite' directory component only
9667 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
9669 PR translation/39521
9670 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
9673 2010-01-13 Richard Guenther <rguenther@suse.de>
9675 PR tree-optimization/42730
9676 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
9679 2010-01-13 Steve Ellcey <sje@cup.hp.com>
9682 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
9683 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
9686 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
9688 * config/bfin/libgcc-bfin.ver: Regenerate based on current
9689 libgcc-std.ver. Add entries for ___smulsi3_highpart and
9690 ___umulsi3_highpart.
9692 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
9693 rather than schedule_insns if the pass is enabled.
9695 2010-01-13 Martin Jambor <mjambor@suse.cz>
9697 PR tree-optimization/42704
9698 * tree-sra.c (sra_modify_assign): Do not delete assignments to
9701 2010-01-13 Martin Jambor <mjambor@suse.cz>
9703 PR tree-optimization/42703
9704 * tree-sra.c (analyze_access_subtree): Check that we can build a
9705 reference to the original data within the aggregate.
9707 2010-01-13 Richard Guenther <rguenther@suse.de>
9709 PR tree-optimization/42705
9710 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
9712 2010-01-13 Richard Guenther <rguenther@suse.de>
9715 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
9717 2010-01-13 Jakub Jelinek <jakub@redhat.com>
9720 * var-tracking.c (values_to_unmark): New variable.
9721 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
9722 values_to_unmark vector. Moved body to...
9723 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
9724 instead queue it into values_to_unmark vector.
9725 (vt_find_locations): Free values_to_unmark vector.
9727 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
9729 * config/s390/s390.c (override_options): Set
9730 default of max-pending-list-length to 256
9732 2010-01-13 Richard Guenther <rguenther@suse.de>
9735 * tree-pass.h (PROP_gimple_lcx): New.
9736 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
9737 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
9738 before the final cleanup_eh.
9739 (dump_properties): Dump PROP_gimple_lcx.
9740 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
9741 (tree_lower_complex_O0): Remove.
9742 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
9743 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
9744 tree_lower_complex, schedule TODO_update_ssa.
9745 * lto-streamer-out.c (output_function): Stream the functions
9747 * lto-streamer-in.c (input_function): Likewise.
9748 (lto_read_body): Do not override them here.
9750 2010-01-12 Joseph Myers <joseph@codesourcery.com>
9753 * c-typeck.c (build_c_cast): Fold value cast to union type before
9754 wrapping it in a CONSTRUCTOR.
9756 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9758 PR rtl-optimization/42699
9759 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
9762 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9764 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9765 SUBTARGET_WARN_UNUSED_SPEC): Move ...
9766 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9767 SUBTARGET_WARN_UNUSED_SPEC): ... here
9768 * config/mips/iris5.h (LIBGCC_SPEC): Define.
9770 2010-01-12 Julian Brown <julian@codesourcery.com>
9772 * config/arm/neon-schedgen.ml (Utils): Don't try to
9773 open missing module.
9774 (find_with_result): New.
9776 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9779 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
9780 sharing when canonicalizing ({lt,ge}u (plus a b) b).
9782 PR tree-optimization/42645
9783 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
9784 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
9785 decl_map, set processing_debug_stmt to -1 and return name without
9788 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
9790 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
9791 binutils version, and reword target configuration description.
9793 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9795 * config/avr/avr.h (LINKER_NAME): Remove.
9797 2010-01-11 Janis Johnson <janis187@us.ibm.com>
9800 * config/rs6000/rs6000.c (rs6000_override_options): On targets
9801 that support VSX, warn for -mno-altivec if vsx is not disabled,
9804 2010-01-11 Joseph Myers <joseph@codesourcery.com>
9805 Shujing Zhao <pearly.zhao@oracle.com>
9807 PR translation/42469
9808 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
9809 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
9810 character between option name and help text.
9811 * c.opt (imultilib): Likewise.
9813 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
9815 * lto-streamer-out.c (output_unreferenced_globals): Output static
9818 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
9820 PR rtl-optimization/42621
9821 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
9822 optimizing for size.
9823 (duplicate_computed_gotos): Remove now-redundant check.
9825 2010-01-10 Steve Ellcey <sje@cup.hp.com>
9828 * configure.ac: Save and restore LDFLAGS and LIBS
9829 * configure: Regenerate.
9831 2010-01-10 Richard Guenther <rguenther@suse.de>
9834 * builtins.c (fold_builtin_strlen): Add type argument and
9835 convert the resulting length to it.
9836 (fold_builtin_1): Adjust.
9838 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9840 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
9841 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
9843 (num_insns_constant_wide): Adjust for that change.
9845 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9848 * web.c (union_defs): Add used argument, to combine uses of
9850 (entry_register): Adjust type and tests of used argument.
9851 (web_main): Widen used for new use. Pass it to union_defs.
9852 * df.h (union_defs): Adjust prototype.
9854 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9857 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
9858 uses in new incoming argument. Free body.
9859 (reset_debug_uses_in_loop): New.
9860 (analyze_insn_to_expand_var): Call the latter if the former found
9861 anything. Fix whitespace. Reject invalid dest overlaps before
9862 going through all insns in the loop.
9864 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9867 * haifa-sched.c (dying_use_p): Debug insns don't count.
9869 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9872 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
9873 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
9874 (verify_gimple_call): Reject LHS in noreturn calls.
9876 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9880 * tree-vect-loop-manip.c (adjust_info): New type.
9881 (adjust_vec): New pointer to vector.
9882 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
9883 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
9884 (slpeel_update_phis_for_duplicate_loop): Use them.
9885 (slpeel_update_phi_nodes_for_guard1): Likewise.
9886 (slpeel_update_phi_nodes_for_guard2): Likewise.
9887 (slpeel_tree_peel_loop_to_edge): Likewise.
9888 (vect_update_ivs_after_vectorizer): Likewise.
9890 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9892 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
9893 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
9895 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9897 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
9898 bogus uninitialized warning.
9900 2010-01-09 Richard Guenther <rguenther@suse.de>
9903 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
9904 the evolution is compatible with the initial condition.
9906 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9908 * gcc.c (process_command): Update copyright notice dates.
9909 * gcov.c (print_version): Likewise.
9910 * gcov-dump.c (print_version): Likewise.
9911 * mips-tfile.c (main): Likewise.
9912 * mips-tdump.c (main): Likewise.
9914 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9917 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
9919 (rotlhi3_8): Delete.
9921 (rotlsi3_8): Delete.
9922 (rotlsi3_16): Delete.
9923 (rotlsi3_24): Delete.
9925 (*rotw<mode>3): New.
9926 (*rotb<mode>3): New.
9927 * config/avr/avr.c (avr_rotate_bytes): New function.
9928 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
9930 2010-01-08 Steve Ellcey <sje@cup.hp.com>
9933 * configure.ac: Modify -rdynamic check.
9934 * configure: Regenerate.
9936 2010-01-08 DJ Delorie <dj@redhat.com>
9938 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
9939 register popping order.
9941 2010-01-08 Richard Guenther <rguenther@suse.de>
9944 * c.opt (fsigned-char): Also let LTO handle this option.
9945 (funsigned-char): Likewise.
9947 2010-01-07 Richard Guenther <rguenther@suse.de>
9949 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
9950 (gimple_op): Likewise.
9951 (gimple_op_ptr): Likewise.
9952 (gimple_assign_set_lhs): Remove gcc_assert.
9953 (gimple_assign_set_rhs1): Likewise.
9954 (gimple_assign_set_rhs2): Likewise.
9955 (gimple_call_set_lhs): Likewise.
9956 (gimple_call_set_fn): Likewise.
9957 (gimple_call_set_fndecl): Likewise.
9958 (gimple_call_fndecl): Likewise.
9959 (gimple_call_return_type): Likewise.
9960 (gimple_call_set_chain): Likewise.
9961 (gimple_call_num_args): Likewise.
9962 (gimple_call_set_arg): Likewise.
9963 (gimple_cond_set_code): Likewise.
9964 (gimple_cond_set_lhs): Likewise.
9965 (gimple_cond_set_rhs): Likewise.
9966 (gimple_cond_set_true_label): Likewise.
9967 (gimple_cond_set_false_label): Likewise.
9968 (gimple_label_set_label): Likewise.
9969 (gimple_goto_set_dest): Likewise.
9970 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
9971 (gimple_debug_bind_get_value): Likewise.
9972 (gimple_debug_bind_get_value_ptr): Likewise.
9973 (gimple_debug_bind_set_var): Likewise.
9974 (gimple_debug_bind_set_value): Likewise.
9975 (gimple_debug_bind_reset_value): Likewise.
9976 (gimple_debug_bind_has_value_p): Likewise.
9977 (gimple_return_retval_ptr): Remove gcc_assert.
9978 (gimple_return_retval): Likewise.
9979 (gimple_return_set_retval): Likewise.
9980 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
9981 (safe_referenced_var_iterator): Remove.
9982 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
9983 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
9984 (fill_referenced_var_vec): Remove.
9985 (first_readonly_imm_use): Remove redundant gcc_assert.
9986 (phi_arg_index_from_use): Combine gcc_asserts.
9987 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
9988 (first_imm_use_stmt): Remove redundant gcc_assert.
9989 * tree-cfg.c (verify_gimple_call): Verify function and chain
9990 operands. Verify arguments.
9991 (verify_types_in_gimple_stmt): Verify condition code and labels.
9993 2010-01-07 Richard Guenther <rguenther@suse.de>
9995 PR tree-optimization/42641
9996 * sese.c (rename_map_elt_info): Use the SSA name version, do
9999 2010-01-07 Jakub Jelinek <jakub@redhat.com>
10001 PR tree-optimization/42625
10002 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
10003 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
10005 2010-01-07 Duncan Sands <baldrick@free.fr>
10007 * Makefile.in (PLUGIN_HEADERS): Add version.h.
10009 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
10012 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
10013 note itself is not function_invariant_p.
10015 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
10017 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
10018 Do not add the DF_NOTE problem.
10019 * store-motion.c (execute_rtl_store_motion): Likewise.
10021 2010-01-07 Martin Jambor <mjambor@suse.cz>
10023 PR tree-optimization/42157
10024 * tree-sra.c (compare_access_positions): Stabilize sort if both
10025 accesses have integer types, return zero immediately if they are the
10028 2010-01-06 Richard Henderson <rth@redhat.com>
10030 PR middle-end/41883
10031 * haifa-sched.c (add_to_note_list): Merge into ...
10032 (concat_note_lists): ... here, and ...
10033 (unlink_other_notes, rm_other_notes): Merge into...
10034 (remove_notes): ... here. Create REG_SAVE_NOTEs for
10035 NOTE_INSN_EPILOGUE_BEG.
10037 2010-01-06 Richard Guenther <rguenther@suse.de>
10039 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
10040 not inline regular functions into always-inline functions.
10042 2010-01-06 Nick Clifton <nickc@redhat.com>
10044 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
10045 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
10047 (OVERRIDE_OPTIONS): Delete.
10048 (OPTIMIZATION_OPTIONS): Define.
10049 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
10050 * config/rx/rx.c (rx_handle_option): Issue an error message if
10051 -mcpu=rx200 and -fpu are used together.
10052 (rx_set_optimization_options): New function. Issue an error
10053 message if an optimization attribute attempts to reset the FPU/
10054 math optimization pairing.
10055 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
10056 * config/rx/rx.opt: Set the default to 32-bit doubles.
10057 * config/rx/t-rx: Add multilibs for -nofpu option.
10058 * doc/invoke.texi: Update documentation of RX options.
10060 2010-01-06 Richard Guenther <rguenther@suse.de>
10062 * tree-ssa-pre.c (name_to_id): New global.
10063 (alloc_expression_id): Simplify SSA name handling.
10064 (lookup_expression_id): Likewise.
10065 (init_pre): Zero name_to_id.
10066 (fini_pre): Free it.
10068 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
10070 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
10072 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
10075 * config/i386/sse.md (smaxv2di3): New.
10076 (umaxv2di3): Likewise.
10077 (sminv2di3): Likewise.
10078 (uminv2di3): Likewise.
10080 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
10083 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
10084 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
10085 (legitimize_tls_address): Likewise.
10086 (sparc_tls_referenced_p): Likewise.
10087 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
10088 and adjust calls to legitimize_pic_address.
10089 (legitimate_constant_p) Use sparc_tls_referenced_p.
10090 (legitimate_pic_operand_p): Likewise.
10091 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
10092 (sparc_tls_symbol_ref_1): Delete.
10093 (sparc_tls_referenced_p): Make static, recognize specific patterns.
10094 (legitimize_tls_address): Make static, handle CONST patterns.
10095 (legitimize_pic_address): Make static, remove unused parameter and
10096 adjust recursive calls.
10097 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
10098 and adjust call to legitimize_pic_address.
10099 (sparc_output_mi_thunk): Likewise.
10101 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
10102 H.J. Lu <hongjiu.lu@intel.com>
10105 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
10106 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
10107 operands to make them signed.
10110 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
10113 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
10114 GTU to GT for V4SI and V2DI.
10116 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
10117 (umin<mode>3): Removed.
10119 (uminv4si3): Likewise.
10121 2010-01-05 Martin Jambor <mjambor@suse.cz>
10123 PR tree-optimization/42462
10124 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
10125 current_function_decl to helper functions and macros.
10127 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
10130 * flags.h: Don't include real.h.
10131 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
10132 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
10133 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
10134 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
10135 * dominance.c: Update copyright.
10136 * gimple.c (walk_gimple_op): Remove inline.
10137 * tree-ssa-reassoc.c: Include real.h.
10138 * Makefile.in (FLAGS_H): Remove $(REAL_H).
10139 (tree-ssa-reassoc.o): Depend on $(REAL_H).
10141 2010-01-05 Nick Clifton <nickc@redhat.com>
10143 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
10144 register to push into the stack frame when the accumulator has to
10145 be saved during interrupts.
10147 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
10149 * doc/invoke.texi: Remove the documentation about option
10150 -Wunreachable-code.
10151 * common.opt (Wunreachable-code): Preserved for backward
10153 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
10154 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
10155 the backward compatibility flag section.
10157 2010-01-05 Richard Guenther <rguenther@suse.de>
10159 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
10161 2010-01-05 Jakub Jelinek <jakub@redhat.com>
10164 * cfgexpand.c (expand_one_var): Diagnose too large variables.
10166 PR tree-optimization/42508
10167 * tree-sra.c (convert_callers): Check for recursive call
10168 by comparing cgraph nodes instead of decls.
10169 (modify_function): Call ipa_modify_formal_parameters also
10170 on all same_body aliases.
10172 * cgraphunit.c (cgraph_materialize_all_clones): Compare
10173 cgraph nodes when checking for same_body aliases.
10175 2010-01-05 Richard Guenther <rguenther@suse.de>
10177 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
10178 allocation and lookup.
10179 (get_or_alloc_expr_for_constant): Likewise.
10180 (phi_translate): Sink allocation.
10182 2010-01-04 Richard Guenther <rguenther@suse.de>
10184 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
10185 a new entry only if needed.
10186 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
10187 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
10189 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
10191 (phi_translate): Handle CONSTANTs early.
10193 2010-01-04 Martin Jambor <mjambor@suse.cz>
10195 PR tree-optimization/42398
10196 * tree-sra.c (struct access): Removed flag grp_different_types.
10197 (dump_access): Do not dump the removed flag.
10198 (sort_and_splice_var_accesses): Do not set the removed flag.
10199 (sra_modify_expr): Check for type compatibility directly.
10201 2010-01-04 Martin Jambor <mjambor@suse.cz>
10203 PR tree-optimization/42366
10204 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
10205 edges with variable number of parameters.
10206 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
10207 flag instead of asserting it.
10208 (ipa_read_node_info): Read uses_analysis_done flag.
10210 2010-01-04 Richard Guenther <rguenther@suse.de>
10212 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
10213 iterative_hash_* as intended.
10214 (vn_reference_compute_hash): Likewise. Simplify hashing
10216 (vn_reference_lookup_2): Likewise.
10217 (vn_nary_op_compute_hash): Likewise.
10218 (vn_phi_compute_hash): Likewise.
10219 (expressions_equal_p): Remove strange code.
10220 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
10221 (pre_expr_hash): Likewise. Simplify hashing SSA names.
10222 (bitmap_insert_into_set_1): Take value-id as parameter.
10223 (add_to_value): Pass it.
10224 (bitmap_insert_into_set): Likewise.
10225 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
10227 2010-01-04 Jakub Jelinek <jakub@redhat.com>
10230 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
10231 (do_self_spec): For switches with SWITCH_IGNORE set set also
10232 SWITCH_IGNORE_PERMANENTLY.
10233 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
10236 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
10238 * lto-streamer-out.c (output_unreferenced_globals): Output the full
10239 tree of an unreferenced global var.
10241 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
10244 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
10245 GTU to GT for V4SI and V2DI.
10247 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
10248 (umin<mode>3): Removed.
10250 (uminv4si3): Likewise.
10252 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
10255 * collect2.c (main): Turn on trace in collect2 if -v is passed
10258 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
10260 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
10261 description of expression operand.
10263 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
10265 * configure.ac: Add install-html to target_list for Make-hooks.
10266 * configure: Regenerate.
10267 * fortran/Make-lang.in (F95_HTMLFILES): New.
10268 (fortran.html): Use it.
10269 (fortran.install-html): New.
10270 * Makefile.in (install-html): Add lang.install-html.
10271 * java/Make-lang.in (JAVA_HTMLFILES): New.
10272 (java.html): Use it.
10273 (java.install-html): New.
10274 * objc/Make-lang.in (objc.install-html): New.
10275 * objcp/Make-lang.in (obj-c++.install-html): New.
10276 * cp/Make-lang.in (c++.install-html): New.
10277 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
10278 * lto/Make-lang.in (lto.install-html): New.
10280 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
10283 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
10285 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
10287 PR rtl-optimization/41862
10288 * store-motion.c (store_killed_in_insn, compute_store_table,
10289 remove_reachable_equiv_notes, replace_store_insn,
10290 build_store_vectors): Ignore all DEBUG_INSNs.
10292 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
10295 * common.opt: Add dumpdir.
10297 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
10299 (option_map): Add --dumpdir.
10301 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
10303 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
10305 * opts.c (decode_options): Try dump_dir_name first if
10306 dump_base_name isn't an absolute path.
10307 (common_handle_option): Handle OPT_dumpdir.
10309 * toplev.c (dump_dir_name): New.
10310 (print_switch_values): Also ignore -dumpdir.
10312 * toplev.h (dump_dir_name): New.
10314 2010-01-03 Richard Guenther <rguenther@suse.de>
10316 PR tree-optimization/42589
10317 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
10318 double-word expansion of bswap32.
10320 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
10322 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
10323 with BLOCK_FOR_INSN.
10324 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
10325 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
10326 noce_process_if_block): Likewise.
10327 * gcse.c (compute_local_properties, insert_expr_in_table,
10328 insert_set_in_table, canon_list_insert, find_avail_set,
10329 pre_insert_copy_insn): Likewise.
10331 * basic-block.h (BLOCK_NUM): Move from here...
10332 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
10334 2010-01-03 Richard Guenther <rguenther@suse.de>
10336 PR tree-optimization/42438
10337 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
10338 contains_may_not_return_call flag.
10339 (BB_MAY_NOTRETURN): New.
10340 (valid_in_sets): Trapping nary operations are not valid
10341 in blocks that may not return.
10342 (insert_into_preds_of_block): Remove check for trapping expressions.
10343 (compute_avail): Compute also BB_MAY_NOTRETURN.
10345 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
10347 * doc/invoke.texi: Add 2010 to copyright years.
10349 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
10351 * config/sparc/sparc.c: Fix formatting nits.
10353 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
10354 Alexander Monakov <amonakov@ispras.ru>
10356 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
10358 2010-01-02 Richard Guenther <rguenther@suse.de>
10360 PR middle-end/42577
10361 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
10362 (simplify_switch_using_ranges): Mark to be removed edges
10365 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10367 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
10369 * collect2.c (scan_libraries): Add missing argument in call to
10372 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
10375 * config/alpha/predicates.md (aligned_memory_operand): Return false
10377 (unaligned_memory_operand): Return true for CQImode.
10378 * config/alpha/alpha.c (get_aligned_mem): Assert that location
10379 doesn not cross aligned SImode word boundary.
10381 2010-01-02 Anatoly Sokolov <aesok@post.ru>
10383 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
10385 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
10386 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
10388 2010-01-02 Richard Guenther <rguenther@suse.de>
10391 * toplev.c (compile_file): Emit LTO marker properly. Change
10392 it to __gnu_lto_v1.
10393 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
10395 2010-01-01 Richard Guenther <rguenther@suse.de>
10398 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
10400 2010-01-01 Richard Guenther <rguenther@suse.de>
10403 * c-decl.c (grokdeclarator): For zero-size arrays force
10404 structural equality checks as layout_type does.
10406 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
10408 * builtins.c: Update copyright to 2010.
10410 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
10413 * lto-streamer-out.c (produce_asm): Revert the last change.
10414 (copy_function): Likewise.
10416 * lto-streamer.c (lto_get_section_name): Skip any leading
10419 2010-01-01 Richard Guenther <rguenther@suse.de>
10421 PR middle-end/42559
10422 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
10426 Copyright (C) 2010 Free Software Foundation, Inc.
10428 Copying and distribution of this file, with or without modification,
10429 are permitted in any medium without royalty provided the copyright
10430 notice and this notice are preserved.