re PR middle-end/44204 (ICE in gimple_op_ptr, at gimple.h:167)
[official-gcc.git] / gcc / ChangeLog
blob036808189368d6b8700472ab05c364c9bc474a1b
1 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
3         PR middle-end/44204
4         * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
5         statement has no arguments.
7 2010-05-21  Kai Tietz  <kai.tietz@onevision.com>
9         PR/44139
10         * varasm.c (emutls_decl): Merge attributes to new decl.
12 2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>
14         PR middle-end/44101
15         * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
16         around the uniquized constructor if its type requires a conversion.
18 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
20         PR debug/44205
21         * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
22         at -O0 goto_locus of any of the incoming edges differs from
23         goto_locus of outgoing edge, or gimple_location of any of the
24         labels differs.
26 2009-09-14  Vladimir Makarov <vmakarov@redhat.com>
28         * ira.c (ira_non_ordered_class_hard_regs): Define.
29         (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
30         * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
31         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
32         cost of unaligned hard regs when allocating multi-reg pseudos.
34 2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>
36         * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
37         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
38         for TARGET_NO_FLOAT.
39         * config/mips/mips.c (mips_file_start): Expand conditional expression
40         into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
41         (mips_override_options): Move -mno-float override -msoft-float and
42         -mhard-float.
43         * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
44         Condition(TARGET_SUPPORTS_NO_FLOAT).
45         * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
46         __mips_no_float here.
47         (SUBTARGET_OVERRIDE_OPTIONS): Delete.
48         (TARGET_SUPPORTS_NO_FLOAT): Define.
49         * config/mips/sdemtk.opt: Delete.
51 2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
53         * ipa-prop.c (compute_complex_ancestor_jump_func): Bail
54         out if !cond.
56 2010-05-20  Uros Bizjak  <ubizjak@gmail.com>
58         PR target/43733
59         * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
60         * configure: Regenerate.
61         * config.in: Regenerate.
62         * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
63         instead of sahf only for 64bit targets.
65 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
67         PR debug/44178
68         * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
69         setup_ref_regs for DEBUG_INSNs.
71 2010-05-20  Jan Hubicka  <jh@suse.cz>
73         PR middle-end/44197
74         * varpool.c (varpool_remove_node): Handle in-varpool aliases.
76 2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
78         PR bootstrap/43870
79         * df-scan.c (df_ref_compare): Stabilize sort.
81 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
83         * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
84         argument.  Don't use DW_OP_piece if offset is non-zero,
85         put offset into second DW_OP_bit_piece argument.
86         (dw_sra_loc_expr): Adjust callers.  For memory expressions
87         compute offset.
89 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
91         PR target/44202
92         * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
93         settings for 16-bit-constant "addo" alternative.
95 2010-05-19  James E. Wilson  <wilson@codesourcery.com>
97         * config/mips/mips-dsp.md (add<DSPV:mode>3,
98         mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
100         PR target/43764
101         * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
102         (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
103         Use it.
105 2010-05-19  Joseph Myers  <joseph@codesourcery.com>
107         * diagnostic.c (FLOAT, FFS): Don't undefine.
108         * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
109         * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
110         include ordering.
112 2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>
114         * combine.c (propagate_for_debug): Call make_compound_operation
115         on the source value.
116         (try_combine): When implementing a split chosen by find_split_point,
117         either copy i2src or set it to null.  Assert that i2src is not null
118         before substituting into CALL_INSN_FUNCTION_USAGE.
120 2010-05-19  Anatoly Sokolov  <aesok@post.ru>
122         * double-int.h (double_int_ior): New function.
123         * tree.h (build_int_cst_wide_type): Remove.
124         * tree.c (build_int_cst_wide_type): Remove.
125         * fold-const.c (native_interpret_int): Use double_int_to_tree instead
126         of build_int_cst_wide_type.
127         * stor-layout.c (set_sizetype): (Ditto.).
128         * dojump.c (do_jump): Use build_int_cstu instead of
129         build_int_cst_wide_type.
131 2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>
133         * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
134         * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
135         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
136         * gimplify.c: (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
137         TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
138         propagate the 'data' argument to copy_tree_r.
139         (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
140         Propagate 'data' argument to walk_tree.
141         (copy_if_shared): New function.
142         (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
143         (unmark_visited): New function.
144         (unshare_body): Call copy_if_shared instead of doing it manually.
145         (unvisit_body): Call unmark_visited instead of doing it manually.
147 2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>
149         * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
150         (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
151         * hooks.c: Likewise.
152         * target-def.h (TARGET_FOLD_BUILTIN): Define to
153         hook_tree_tree_int_treep_bool_null.
154         * target.h: (struct gcc_target): Update signature of fold_builtin
155         field.
156         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
157         * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
158         instead of the call expression.
159         (fold_builtin_call_array): Pass n and argarray directly.
160         (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
161         consing a list.
162         * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
163         MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
164         `i' and use it in place of `arity'.
165         * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
166         Dereference `args' directly.
167         * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
169 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
171         * doc/sourcebuild.texi (Effective-Target Keywords): Document
172         3dnow, sse3, sse2.
173         (Directives): Document optional dg-require-effective-target
174         selector.
176 2010-05-19  Richard Guenther  <rguenther@suse.de>
178         PR lto/44196
179         * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
181 2010-05-19  Richard Guenther  <rguenther@suse.de>
183         * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
184         * common.opt (fwhopr=): New.
185         * opts.c (common_handle_option): Handle OPT_fwhopr.
186         * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
187         * collect2.c (main): Match -fwhopr*.
188         * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
189         Execute ltrans stage in parallel when jobs is bigger than 1.
191 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
193         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
194         pentiumpro on Solaris 8/x86 with Sun as.
195         * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
196         hidden alias bug.
197         (gcc_cv_as_ix86_quad): Check for .quad directive.
198         * configure: Regenerate.
199         * config.in: Regenerate.
200         * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
202 2010-05-19  Martin Jambor  <mjambor@suse.cz>
204         * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
205         also for indirect edges.  Actual printing moved...
206         (ipa_print_node_jump_functions_for_edge): ...here.
207         (ipa_compute_jump_functions): Renamed to
208         ipa_compute_jump_functions_for_edge and made static.
209         (ipa_compute_jump_functions): New function.
210         (make_edge_direct_to_target): Check if the number of arguments on
211         the newly direct edge is the same as the number of parametrs of
212         the callee.
213         * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
214         ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
215         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
216         analysis functions unconditionally, call the new
217         ipa_analyze_params_uses on the node instead of every edge.
219 2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>
221         * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
222         to tree.
223         (dump_mem_ref): Adopt debug code to handle a tree as step.  This
224         also checks for a constant int vs.  non-constant but
225         loop-invariant steps.
226         (find_or_create_group): Change the sort algorithm to only consider
227         steps that are constant ints.
228         (idx_analyze_ref): Adopt code to handle a tree instead of a
229         HOST_WIDE_INT for step.
230         (gather_memory_references_ref): Handle tree instead of int and be
231         prepared to see a NULL_TREE.
232         (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
233         prefetches if the step cannot be calculated at compile time.
234         (issue_prefetch_ref): Issue prefetches for non-constant but
235         loop-invariant steps.
237 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
239         Revert:
240         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
242         * tree.h (build_call_list): Remove.
243         * tree.c (build_call_list): Remove.
245 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
247         * tree.h (build_call_list): Remove.
248         * tree.c (build_call_list): Remove.
250 2010-05-18  Jan Hubicka  <jh@suse.cz>
252         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
254 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
256         PR rtl-optimization/43332
257         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
259 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
261         * tree.h (build_int_cstu): Implement as static inline.
262         * tree.c (build_int_cstu): Remove function.
263         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
264         sign extended.
266 2010-05-18  Richard Guenther  <rguenther@suse.de>
268         PR lto/44143
269         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
270         (debug): Initialize from -save-temps.
271         (collect_execute): Print command-line when verbose.
272         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
273         for ltrans invocation.  Produce -dumpbase flag again.
274         (process_args): Remove.
275         (main): Simplify.
276         * collect2.c (maybe_run_lto_and_relink): Only pass object
277         files to lto-wrapper.
278         * gcc.c (LINK_COMMAND_SPEC): Likewise.
280 2010-05-18  Jan Hubicka  <jh@suse.cz>
282         * opts.c (decode_options): Do not disable whopr at ipa_cp.
283         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
285 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
287         PR lto/44184
288         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
289         in a GIMPLE_ASM.
290         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
291         in a GIMPLE_ASM.
293 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
295         PR debug/41371
296         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
297         rtx_equal_p inline.
299 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
301         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
302         lto-macho as lto_binary_reader.
304         * darwin.c (darwin_asm_named_section): Do not add assembler comment
305         after .section directive; just print it before the directive instead.
307 2010-05-17  Jan Hubicka  <jh@suse.cz>
309         * cgraph.c (cgraph_create_virtual_clone): Only check
310         versionable_function_p when not in wpa and checking is enabled.
311         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
312         there are no more functions to materialize.
314 2010-05-17  Jan Hubicka  <jh@suse.cz>
316         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
317         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
318         New functions.
319         (output_cgraph): Call output_cgraph_opt_summary.
320         (input_cgrpah): Call input_cgraph_opt_summary.
321         (output_cgraph_opt_summary_p, output_node_opt_summary,
322         input_node_opt_summary, input_cgraph_opt_section): New functions.
323         * lto-section-in.c (lto_section_name): Add cgraphopt.
324         * tree-inline.c (tree_function_versioning): Handle parm_num.
325         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
326         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
328 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
330         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
331         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
332         the insn to prefetch ratio heuristic to loops with known trip count.
334 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
336         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
337         (schedule_prefetches): Do not generate a prefetch if the unroll factor
338         is far from what is required by the prefetch.
340 2010-05-17  Jan Hubicka  <jh@suse.cz>
342         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
343         (ipcp_estimate_growth): Likewise.
344         (ipcp_const_param_count): Likewise.
345         (ipcp_insert_stage): Likewise.
346         * ipa-prop.c (visit_load_for_mod_analysis): New function.
347         (visit_store_addr_for_mod_analysis): Set used flag.
348         (ipa_detect_param_modifications): Set used flag for SSE params;
349         update use of walk_stmt_load_store_addr_ops.
350         (ipa_print_node_params): Print used flag.
351         (ipa_write_node_info): Stream used flag.
352         (ipa_read_node_info): Likewise.
353         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
354         (ipa_is_param_used): New function.
355         (lto_ipa_fixup_call_notes): Remove unused declaration.
357 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
359         PR target/44074
360         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
361         * configure: Regenerate.
362         * config.in: Regenerate.
363         * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
364         !HAVE_AS_IX86_REP_LOCK_PREFIX.
365         Don't emit whitespace.
366         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
367         (*rep_movsi): Likewise.
368         (*rep_movsi_rex64): Likewise.
369         (*rep_movqi): Likewise.
370         (*rep_movqi_rex64): Likewise.
371         (*rep_stosdi_rex64): Likewise.
372         (*rep_stossi): Likewise.
373         (*rep_stossi_rex64): Likewise.
374         (*rep_stosqi): Likewise.
375         (*rep_stosqi_rex64): Likewise.
376         (*cmpstrnqi_nz_1): Use {%;} after repz.
377         (*cmpstrnqi_nz_rex_1): Likewise.
378         (*cmpstrnqi_1): Likewise.
379         (*cmpstrnqi_rex_1): Likewise.
380         (*strlenqi_1): Use {%;} after repnz.
381         (*strlenqi_rex_1): Likewise.
382         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
383         (*sync_compare_and_swap<mode>): Likewise.
384         (sync_double_compare_and_swap<mode>): Likewise.
385         (*sync_double_compare_and_swapdi_pic): Likewise.
386         (sync_old_add<mode>): Likewise.
387         (sync_add<mode>): Likewise.
388         (sync_sub<mode>): Likewise.
389         (sync_<code><mode>): Likewise.
391 2010-05-17  Martin Jambor  <mjambor@suse.cz>
393         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
394         otr_token and polymorphic.
395         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
396         (cgraph_clone_edge): Copy the above fields.
397         * tree.c (get_binfo_at_offset): New function.
398         * tree.h (get_binfo_at_offset): Declare.
399         * ipa-prop.h (enum jump_func_type): Added known_type jump function
400         type, reordered items, updated comments.
401         (union jump_func_value): Added base_type field, reordered fields.
402         (enum ipa_lattice_type): Moved down in the file.
403         (struct ipa_param_descriptor): New field polymorphic.
404         (ipa_is_param_polymorphic): New function.
405         * ipa-prop.c: Include gimple.h and gimple-fold.h.
406         (ipa_print_node_jump_functions): Print known type jump functions.
407         (compute_complex_pass_through): Renamed to...
408         (compute_complex_assign_jump_func): this.
409         (compute_complex_ancestor_jump_func): New function.
410         (compute_known_type_jump_func): Likewise.
411         (compute_scalar_jump_functions): Create known type and complex ancestor
412         jump functions.
413         (ipa_note_param_call): New parameter polymorphic, set the corresponding
414         flag in the call note accordingly.
415         (ipa_analyze_call_uses): Renamed to...
416         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
417         variable var only in the block where it is used.
418         (ipa_analyze_virtual_call_uses): New function.
419         (ipa_analyze_call_uses): Likewise.
420         (combine_known_type_and_ancestor_jfs): Likewise.
421         (update_jump_functions_after_inlining): Implemented handling of a
422         number of new jump function types combination.
423         (print_edge_addition_message): Removed.
424         (make_edge_direct_to_target): New function.
425         (try_make_edge_direct_simple_call): Likewise.
426         (try_make_edge_direct_virtual_call): Likewise.
427         (update_call_notes_after_inlining): Renamed to...
428         (update_indirect_edges_after_inlining): this.  Moved edge creation for
429         indirect calls to try_make_edge_direct_simple_call, also calls
430         try_make_edge_direct_virtual_call for virtual calls.
431         (ipa_print_node_params): Changed the header message.
432         (ipa_write_jump_function): Stream also known type jump functions.
433         (ipa_read_jump_function): Likewise.
434         (ipa_write_indirect_edge_info): Stream new fields in
435         cgraph_indirect_call_info.
436         (ipa_read_indirect_edge_info): Likewise.
437         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
438         GIMPLE_FOLD_H.
440 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
442         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
444 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
446         * tree.h (CALL_EXPR_ARGS): Delete.
447         (call_expr_arglist): Delete.
448         * tree.c (call_expr_arglist): Delete.
449         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
450         targetm.fold_builtin.
451         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
452         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
453         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
454         arglist parameter.  Use CALL_EXPR_ARG.
455         (picochip_expand_builtin_3op): Likewise.
456         (picochip_expand_builtin_2opvoid): Likewise.
457         (picochip_expand_array_get): Likewise.
458         (picochip_expand_array_put): Likewise.
459         (picochip_expand_array_testport): Likewise.
460         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
461         rather than arglist.
462         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
463         CALL_EXPR_ARGS.
464         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
465         than TREE_VALUE and TREE_CHAIN.
466         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
467         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
468         the arglist.
470 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
472         PR bootstrap/42347
473         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
474         to have no fallthru edge.
476         PR middle-end/44102
477         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
478         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
479         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
480         add BARRIER after previous bb if needed.
482 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
484         * tree.c (build_function_type_list_1): Remove bogus assert condition.
486 2010-05-17  Alan Modra  <amodra@gmail.com>
488         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
489         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
490         with copy_reg rtx param.
491         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
492         Correct cases where code for ABI_V4 did not initialise the reg
493         used to access frame.  Also leave frame_reg_rtx as sp for large
494         frames that save no regs.
496 2010-05-17  Martin Jambor  <mjambor@suse.cz>
498         PR middle-end/44133
499         * tree-sra.c (create_access_replacement): New parameter rename, mark
500         the replaement for renaming only when it is true.
501         (get_access_replacement): Pass true in the rename parameter of
502         create_access_replacement.
503         (get_unrenamed_access_replacement): New function.
504         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
505         replacement declaration from it.
507 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
509         * function.c (try_fit_stack_local, add_frame_space): New static
510         functions.
511         (assign_stack_local_1): Use them.  Look for opportunities to use
512         space previously wasted on alignment.
513         * function.h (struct frame_space): New.
514         (struct rtl_data): Add FRAME_SPACE_LIST member.
515         * reload1.c (something_was_spilled): New static variable.
516         (alter_reg): Set it.
517         (reload): Test it in addition to testing if the frame size changed.
519 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
521         * config/s390/s390.c: Define sane prefetch settings and activate
522         flag_prefetch_loop_arrays on -O3.
523         * config/s390/s390.h: Declare that read can use write prefetch.
525 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
527         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
528         build.
530 2010-05-16  Jan Hubicka  <jh@suse.cz>
532         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
533         function body; do not check stdarg field of struct function.
535 2010-05-16  Jan Hubicka  <jh@suse.cz>
537         * cgraph.c (dump_cgraph_node): Dump versionable flag.
538         * cgraph.h (cgraph_local_info): Add versionable flag.
539         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
540         (ipcp_versionable_function_p): Use it.
541         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
542         versionable flag.
544 2010-05-16  Jan Hubicka  <jh@suse.cz>
546         * cgraph.c (cgraph_clone_node): Take decl argument and insert
547         clone into hash when it is different from orig.
548         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
549         * cgraph.h (cgraph_clone_node): Update prototype.
550         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
551         (lto_cgraph_encoder_delete): Delete body map.
552         (lto_cgraph_encoder_size): Move to header.
553         (lto_cgraph_encoder_encode_body_p,
554         lto_set_cgraph_encoder_encode_body): New.
555         (lto_output_node): Do not take written_decls argument; output clone_of
556         pointer.
557         (add_node_to): Add include_body_argument; call
558         lto_set_cgraph_encoder_encode_body on master of the clone.
559         (add_references): Update use of add_node_to.
560         (compute_ltrans_boundary): Likewise.
561         (output_cgraph): Do not create written_decls bitmap.
562         (input_node): Take nodes argument; stream in clone_of correctly.
563         (input_cgraph_1): Update use of input_node.
564         * lto-streamer-out.c (lto_output): Use encoder info to decide
565         what bodies to output.
566         * ipa-inline.c (cgraph_clone_inlined_nodes,
567         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
568         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
569         (lto_cgraph_encoder_size): Define here.
570         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
571         Declare.
573 2010-05-16  Richard Guenther  <rguenther@suse.de>
575         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
576         -fipa-type-escape.
577         * ipa-type-escape.c (gate_type_escape_vars): Run when
578         -fipa-struct-reorg runs.
579         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
580         * common.opt (fipa-type-escape): Remove.
582 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
584         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
585         (decode_options): Likewise.
586         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
588 2010-05-16  Jan Hubicka  <jh@suse.cz>
590         * ipa.c (function_and_variable_visibility): Also bring local all
591         aliases.
593 2010-05-16  Richard Guenther  <rguenther@suse.de>
595         * alias.c (nonoverlapping_memrefs_p): Remove use of
596         IPA type-escape information.
598 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
600         * c-common.c (c_common_reswords): Add _Static_assert for C.
601         * c-parser.c (c_token_starts_declaration,
602         c_parser_next_token_starts_declaration,
603         c_parser_static_assert_declaration_no_semi,
604         c_parser_static_assert_declaration): New.
605         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
606         Handle static assertions if static_assert_ok.
607         (c_parser_external_declaration, c_parser_declaration_or_fndef,
608         c_parser_compound_statement_nostart, c_parser_label,
609         c_parser_for_statement, c_parser_objc_methodprotolist,
610         c_parser_omp_for_loop): All callers of
611         c_parser_declaration_or_fndef changed.
612         (c_parser_struct_declaration): Handle static assertions.
613         (c_parser_compound_statement_nostart): Use
614         c_parser_next_token_starts_declaration and
615         c_token_starts_declaration to detect start of declarations.
616         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
617         Likewise.
619 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
621         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
622         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
623         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
624         TARGET_FUNCTION_VALUE_REGNO_P): Define.
625         (mmix_function_outgoing_value): Rename to...
626         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
627         (mmix_function_value_regno_p): Make static.
628         (mmix_libcall_value): New function.
629         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
630         mmix_function_value_regno_p): Remove declaration.
632 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
634         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
635         BUILT_IN_ALLOCA if stack checking is enabled.
637 2010-05-16  Richard Guenther  <rguenther@suse.de>
639         * var-tracking.c (vars_copy_1): Inline ...
640         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
641         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
642         (variable_merge_over_cur): Adjust.  Merge asserts.
643         (variable_merge_over_src): Likewise.
644         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
645         (variable_post_merge_new_vals): Merge asserts.
646         (variable_post_merge_perm_vals): Likewise.
647         (find_mem_expr_in_1pdv): Likewise.
648         (dataflow_set_different_value): Remove.
649         (onepart_variable_different_p): Merge asserts.
650         (variable_different_p): Likewise.
651         (dataflow_set_different_1): Inline ...
652         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
653         (emit_notes_for_differences_1): Merge asserts.
655 2010-05-16  Richard Guenther  <rguenther@suse.de>
657         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
658         * optabs.c (libfunc_decl_hash): Likewise.
659         * varasm.c (emutls_decl): Likewise.
661 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
663         * c-decl.c: Don't include gimple.h.
664         (merge_decls): Do not copy gimple_body.
666 2010-05-15  Jason Merrill  <jason@redhat.com>
668         * c.opt: Add -fnothrow-opt.
670 2010-05-15  Jan Hubicka  <jh@suse.cz>
672         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
673         analyzed.
674         * passes.c (ipa_write_summaries): Write all analyzed nodes.
676 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
678         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
679         * Makefile.in: Add it.
680         Fix all other Makefile dependencies for changes below.
681         * tree.h: Include it instead of defining VEC primitives here.
682         * gimple.h: Likewise.
683         * rtl.h: Likewise.
684         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
685         * except.h: Include vecir.h, break dependence on tree.h.
687         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
688         Move from here...
689         * tree-iterator.c: ...to here.
690         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
692         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
693         tm_p.h.
694         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
695         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
696         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
697         tree-mudflap.h, and target.h.
698         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
699         predict.h, tree-inline.h, gimple.h, and langhooks.h.
700         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
701         Add FIXME for why gimple.h is still included (should be unnecessary
702         since GCC 4.5 gimplification unit-at-a-time).
703         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
704         * c-pragma.c: Add FIXME for why function.h needs to be included just
705         for cfun, at front-end level.
706         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
707         Do not include ggc.h, but include vecprim.h for VEC(char).
708         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
709         Explain why target.h is included.
710         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
711         Explain why gimple.h is included.
712         * c-ppoutput.c: Do not include tm.h.
713         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
714         * c-parses.c: Explain why rtl.h is included, and that this (and only
715         this) is also why tm.h must be included.
716         Do not include except.h.
717         * c-lang.c: Do not include ggc.h.
719 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
721         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
723 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
725         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
726         unions by default if those structs and unions have no tags.  Do
727         not condition anonymous struct and unions handling on flag_iso.
728         Allow anonymous structs and unions for C1X.
729         (finish_struct): Do not diagnose lack of named fields when
730         anonymous structs and unions present for C1X.  Accept flexible
731         array members in structure with anonymous structs or unions but no
732         directly named fields.
733         * doc/extend.texi (Unnamed Fields): Update.
735 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
737         * gimple.h (compare_field_offset): Rename into...
738         (gimple_compare_field_offset): ...this.
739         * gimple.c (compare_field_offset): Rename into...
740         (gimple_compare_field_offset): ...this.  Compare the full access if
741         the offset is self-referential.
742         (gimple_types_compatible_p): Adjust for above renaming.
743         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
744         DECL_NONADDRESSABLE_P flag of fields before merging them.
746 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
748         * tree.h (ctor_to_list): Delete.
749         * tree.c (ctor_to_list): Delete.
751 2010-05-15  Jan Hubicka  <jh@suse.cz>
753         * ipa-reference.c: Include toplev.h
754         (is_proper_for_analysis): Only add to all_module_statics
755         if it is allocated.
756         (write_node_summary_p, stream_out_bitmap,
757         ipa_reference_write_optimization_summary,
758         ipa_reference_read_optimization_summary): New.
759         (struct ipa_opt_pass_d pass_ipa_reference): Add
760         optimization summary streaming.
761         * lto-cgraph.c (referenced_from_this_partition_p,
762         reachable_from_this_partition_p): New functions.
763         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
764         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
765         * opts.c (decode_options): Enable ipa_reference.
766         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
767         * lto-streamer.h (referenced_from_this_partition_p,
768         reachable_from_this_partition_p): Declare.
770 2010-05-15  Richard Guenther  <rguenther@suse.de>
772         PR tree-optimization/44038
773         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
774         taking the address of a V_C_E of a constant.
776 2010-05-14  Jan Hubicka  <jh@suse.cz>
778         * tree.h (memory_identifier_string): Remove.
779         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
780         (ipa_reference_global_vars_info_d): Remove statics_not_read and
781         statics_not_written.
782         (ipa_reference_optimization_summary_d): New structure.
783         (ipa_reference_optimization_summary_t): New type and vector.
784         (ipa_reference_vars_info_d): Embedd structures instead of using
785         pointers.
786         (reference_vars_to_consider): Remove out of GGC space.
787         (module_statics_escape): Remove.
788         (global_info_obstack): Rename to ...
789         (optimization_summary_obstack): ... this one.
790         (initialization_status_t): Remove.
791         (memory_identifier_string): Remove.
792         (get_reference_vars_info): Fix indenting.
793         (set_reference_vars_info): Likewise.
794         (get_reference_optimization_summary): New.
795         (set_reference_optimization_summary): New.
796         (get_global_reference_vars_info): Remove.
797         (ipa_reference_get_read_global): Remove.
798         (ipa_reference_get_written_global): Remove.
799         (ipa_reference_get_not_read_global): Update.
800         (ipa_reference_get_not_written_global): Update.
801         (is_proper_for_analysis): Outlaw addressable.
802         (propagate_bits): Update for new datastructures.
803         (analyze_variable): Remove.
804         (init_function_info): Update for new datastructures.
805         (clean_function_local_data): Remove.
806         (clean_function): Remove.
807         (copy_global_bitmap): Use optimizations_summary_obstack.
808         (duplicate_node_data): Duplicate optimization summary only.
809         (remove_node_data): Remove optimization summary only.
810         (generate_summary): Do not analyze variables; do not compute
811         module_statics_escape; do not prune solutions by it.
812         (read_write_all_from_decl): Fix typos in comments.
813         (propagate): Doscover readonly and nonaddressable first;
814         update for new datastructures; share global bitmaps.
815         * ipa-reference.h (ipa_reference_get_read_global,
816         ipa_reference_get_written_global): Remove.
817         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
818         * Makefile.in: Remove ipa-refereference from GT files.
820 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
822         PR debug/44112
823         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
824         for all SYMBOL_REF_DECLs.
826 2010-05-14  Jan Hubicka  <jh@suse.cz>
828         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
829         (varpool_all_refs_explicit_p): New inline function.
830         * ipa-reference.c: Update comment.
831         (module_statics_written): Remove.
832         (get_static_decl): Remove.
833         (ipa_init): Do not initialize module_statics_written.
834         (analyze_function): Likewise.
835         (generate_summary): Likewise; do not compute module_statics_readonly
836         and do not update variable flags.
837         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
838         * ipa.c: Inlucde flags.h
839         (cgraph_local_node_p): New.
840         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
841         promote functions to local.
842         (ipa_discover_readonly_nonaddressable_vars): New function.
843         (function_and_variable_visibility): Use cgraph_local_node_p.
844         * varpool.c (varpool_finalize_decl): Set force_output for
845         DECL_PRESERVE_P vars.
847 2010-05-14  Jan Hubicka  <jh@suse.cz>
849         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
851 2010-05-14  Richard Guenther  <rguenther@suse.de>
853         PR tree-optimization/44119
854         * tree-ssa-pre.c (eliminate): Properly mark replacement of
855         a PHI node necessary.
857 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
859         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
861 2010-05-14  Jason Merrill  <jason@redhat.com>
863         PR c++/44127
864         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
865         (gimple_call_set_nothrow): New.
866         * gimple.c (gimple_build_call_from_tree): Call it.
867         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
869         PR c++/44127
870         * gimplify.c (gimplify_seq_add_stmt): No longer static.
871         * gimple.h: Declare it.
872         * gimple.c (gimple_build_eh_filter): No ops.
874 2010-05-14  Jan Hubicka  <jh@suse.cz>
876         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
877         nodes already in queue.
878         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
879         re-enqueueing node.
881 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
883         PR debug/44136
884         * cfgexpand.c (expand_debug_expr): If non-memory op0
885         has BLKmode, return NULL.
887 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
889         * config.gcc: Add support for --with-cpu option for bdver1.
890         * config/i386/i386.h (TARGET_BDVER1): New macro.
891         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
892         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
893         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
894         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
895         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
896         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
897         (processor_type): Add PROCESSOR_BDVER1.
898         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
899         processor_type in config/i386/i386.h.
900         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
901         movaps <reg, reg> instead of movapd <reg, reg> when replacing
902         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
903         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
904         to emit packed xor instead of packed double/packed integer
905         xor for SSE and AVX when moving a zero value.
906         * config/i386/sse.md: Add check for
907         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
908         movapd/movdqa for SSE and AVX.
909         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
910         single logical operations i.e and, or and xor instead of packed double
911         logical operations for SSE and AVX.
912         * config/i386/i386-c.c (ix86_target_macros_internal):
913         Add PROCESSOR_BDVER1.
914         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
915         (has_fma4, has_xop): New.
916         * config/i386/i386.c (bdver1_cost): New variable.
917         (m_BDVER1): New macro.
918         (m_AMD_MULTIPLE): Add m_BDVER1.
919         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
920         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
921         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
922         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
923         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
924         x86_tune_sse_partial_reg_dependency,
925         x86_tune_sse_unaligned_load_optimal,
926         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
927         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
928         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
929         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
930         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
931         Enable/disable for bdver1.
932         (processor_target_table): Add bdver1_cost.
933         (cpu_names): Add bdver1.
934         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
935          processor_alias_table.
936         (ix86_expand_vector_move_misalign): Change.
937         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
938         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
939         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
940         of movupd/movdqu for SSE and AVX.
941         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
942         (ix86_tune_adjust_cost): Add code for bdver1.
943         (standard_sse_constant_opcode): Add check for
944         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
945         of packed double xor for SSE and AVX.
947 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
949         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
950         result to unsigned.
952 2010-05-14  Tristan Gingold  <gingold@adacore.com>
954         * toplev.c (default_debug_hooks): Remove this variable.
955         (process_options): Remove assignments to default_debug_hooks.
957 2010-05-14  Martin Jambor  <mjambor@suse.cz>
959         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
960         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
961         * langhooks.h (struct lang_hooks_for_decls): Removed field
962         fold_obj_type_ref.
963         * tree.c (free_lang_data): Remove assignment to
964         lang_hooks.fold_obj_type_ref.
965         * tree.def (OBJ_TYPE_REF): Update comment.
967 2010-05-14  Richard Guenther  <rguenther@suse.de>
969         PR tree-optimization/44124
970         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
972 2010-05-14  Alan Modra  <amodra@gmail.com>
974         PR target/44075
975         * config/rs6000/rs6000.c (struct machine_function): Reorder
976         fields for better packing.  Add lr_save_state.
977         (rs6000_ra_ever_killed): Return lr_save_state if set.
978         (rs6000_emit_eh_reg_restore): Set lr_save_state.
980 2010-05-13  Jan Hubicka  <jh@suse.cz>
982         * varpool.c (decide_is_variable_needed): Drop code checking
983         TREE_SYMBOL_REFERENCED.
985 2010-05-13  Jan Hubicka  <jh@suse.cz>
987         * final.c (output_addr_const): Do not call mark_decl_referenced.
988         * cgraphunit.c (process_function_and_variable_attributes): Use
989         mark_needed_node dirrectly.
990         (assemble_thunk): Do not call mark_decl_referenced.
992 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
994         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
996 2010-05-13  Jeff Law  <law@redhat.com>
998         * ira-conflicts.c (print_allocno_conflicts): New function broken out
999         from...
1000         (print_conflicts): Call print_allocno_conflicts.
1002 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
1004         PR debug/44104
1005         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
1006         if it is NULL.
1008 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
1010         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
1011         t-mingw-w64 or t-mingw-w32 for multilib configuration.
1012         * config/i386/t-mingw-w32: New.
1013         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
1015 2010-05-13  Martin Jambor  <mjambor@suse.cz>
1017         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
1018         gimple-fold.c).
1019         * gimple-fold.c (get_base_binfo_for_type): New function.
1020         (gimple_get_relevant_ref_binfo): Likewise.
1021         (gimple_fold_obj_type_ref_known_binfo): Likewise.
1022         (gimple_fold_obj_type_ref): Likewise.
1023         (fold_gimple_call): Simplify condition for folding virtual calls
1024         and call gimple_fold_obj_type_ref.
1025         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
1026         (gimple_fold_obj_type_ref_known_binfo): Likewise.
1028 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
1030         * config/rs6000/rs6000-protos.h
1031         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
1032         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
1033         (rs6000_debug_mode_dependent_address)
1034         (rs6000_mode_dependent_address_ptr): Likewise.
1036 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
1038         PR debug/43983
1039         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
1040         by SRA.
1041         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
1042         * tree-sra.c (create_access_replacement): Call unshare_expr before
1043         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
1044         * dwarf2out.c: Include tree-flow.h.
1045         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
1046         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
1047         Handle DW_OP_bit_piece.
1048         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
1049         construct_piece_list, adjust_piece_list): New functions.
1050         (add_var_loc_to_decl): Handle SRA optimized variables.
1051         Adjust for var_loc_note to loc field renaming.
1052         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
1053         in VAR_LOCATION note.
1054         (new_loc_descr_op_bit_piece): New function.
1055         (dw_sra_loc_expr): New function.
1056         (dw_loc_list): Use it.  Don't handle the last range after the
1057         loop, handle it inside of the loop.  Adjust for var_loc_note
1058         to loc field renaming.
1059         (add_location_or_const_value_attribute): Only special case
1060         single entry loc lists if loc is NOTE_P.  Adjust for
1061         var_loc_note to loc field renaming.
1062         (dwarf2out_var_location): Don't set newloc->var_loc_note
1063         and newloc->next here.
1065 2010-05-12  Jan Hubicka  <jh@suse.cz>
1067         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
1068         flag.
1069         * cgraph.h (cgraph_only_called_directly_p,
1070         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
1071         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
1072         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
1073         (assemble
1074         * ipa.c (cgraph_remove_unreachable_nodes): Use
1075         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
1076         flags.
1077         * tree-inline.c (copy_bb): Check address_taken flag.
1078         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
1079         externally_visible flag.
1081 2010-05-12  Jason Merrill  <jason@redhat.com>
1083         PR bootstrap/44048
1084         PR target/44099
1085         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
1086         * sdbout.c (plain_type_1): Likewise.
1087         * dwarf2out.c (is_base_type): Likewise.
1088         (gen_type_die_with_usage): Likewise.  Generate
1089         DW_TAG_unspecified_type for any LANG_TYPE.
1091 2010-05-12  Jan Hubicka  <jh@suse.cz>
1093         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
1094         indrect edges too.
1095         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
1096         (cgraph_clone_edge): Update.
1097         (cgraph_node_remove_callees): Remove indirect calls too.
1098         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
1099         (cgraph_create_indirect_edge): Update prototype.
1100         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
1101         is_proper_for_analysis.
1102         (add_new_function, visited_nodes, function_insertion_hook_holder,
1103         get_local_reference_vars_info, mark_address_taken, mark_address,
1104         mark_load, mark_store, check_asm_memory_clobber, check_call,
1105         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
1106         (ipa_init): Do not initialize visited_nodes;
1107         function_insertion_hook_holder.
1108         (analyze_variable): Rewrite.
1109         (analyze_function): Rewrite.
1110         (copy_local_bitmap): Remove.
1111         (duplicate_node_dat): Do not duplicate local info.
1112         (generate_summary): Simplify to only walk cgraph.
1113         (write_node_summary_p, ipa_reference_write_summary,
1114         ipa_reference_read_summary): Remove.
1115         (propagate): Do not remove function insertion;
1116         generate summary.
1117         (pass_ipa_reference): NULLify summary handling fields.
1118         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
1119         (input_edge): Input ecf_flags.
1120         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
1121         (update_indirect_edges_after_inlining): Ignore edges with unknown
1122         param.
1124 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
1126         * implicit-zee.c: New file.
1127         * tree-pass.h (pass_implicit_zee): Declare.
1128         * passes.c (init_optimization_passes): Add zee pass.
1129         * common.opt (fzee): New flag.
1130         * timevar.def (TV_ZEE): Define.
1131         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
1132         and beyond.
1133         * Makefile.in (implicit-zee.o): Add new build file.
1135 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
1136             Nathan Froyd  <froydnj@codesourcery.com>
1138         * c-common.c (sync_resolve_params): Remove write-only variable.
1140 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
1142         * target.h (struct gcc_target): Add mode_dependent_address_p field.
1143         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1144         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
1145         * targhooks.c (default_mode_dependent_address_p): New function.
1146         * targhooks.h (default_mode_dependent_address_p): Declare function.
1147         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
1148         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
1149         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
1150         target hook. Change return type to bool.
1151         * recog.h: (mode_dependent_address_p): Change return type to bool.
1153 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
1154             Nathan Froyd  <froydnj@codesourcery.com>
1156         * tree-mudflap.c (build_function_type_0, build_function_type_1,
1157         build_function_type_2, build_function_type_3): Remove.
1158         (mudflap_init): Use build_function_type_list.
1160 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
1161             Nathan Froyd  <froydnj@codesourcery.com>
1163         * coverage.c (build_fn_info_value): Call build_constructor instead of
1164         build_constructor_from_list.
1165         (build_ctr_info_value): Likewise.
1166         (build_gcov_info): Likewise.
1168 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
1170         * tree.c (build_constructor): Compute TREE_CONSTANT for the
1171         resultant constructor.
1172         (build_constructor_single): Don't set TREE_CONSTANT.
1173         (build_constructor_from_list): Don't compute TREE_CONSTANT.
1175 2010-05-12  Jan Hubicka  <jh@suse.cz>
1177         * cgraph.h (struct varpool_node): Add aux.
1178         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
1179         * varpool.c (varpool_remove_node): Do not remove initializer.
1180         (varpool_reset_queue): Export.
1181         (varpool_finalize_decl): Volatile vars are forced to be output.
1182         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
1183         replaced decl.
1184         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
1185         process_references, varpool_can_remove_if_no_refs): New functions.
1186         (cgraph_remove_unreachable_nodes): Handle variables too.
1188 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
1190         PR target/44088
1191         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
1193 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
1195         PR middle-end/44085
1196         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
1197         change value of ORT_TASK.
1198         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
1199         (omp_notice_threadprivate_variable): New function.
1200         (omp_notice_variable): Call it for threadprivate variables.
1201         If enclosing ctx is a task, print enclosing task rather than
1202         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
1203         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
1204         if task has untied clause.
1206         PR debug/42278
1207         * dwarf2out.c (base_type_die): Don't add name attribute here.
1208         (modified_type_die): Instead of sizetype use
1209         its underlying original type.  If a DW_TAG_base_type doesn't
1210         have name added, add __unknown__.
1211         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
1212         always call force_type_die instead.
1214 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
1216         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
1217         for __stack_chk_guard.
1219 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
1221         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
1222         don't call start_source_file debug hook here...
1223         (finish_options): ... but here, after outputting predefined and
1224         command line defines and undefs.
1226         PR middle-end/44071
1227         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
1228         no fallthru edge.
1229         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
1230         optimizing away empty bb with no successors, move over its
1231         footer chain to fallthru predecessor.
1232         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
1233         (rtl_split_edge): For asm goto call patch_jump_insn even if
1234         splitting fallthru edge.
1236         PR c++/44059
1237         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
1238         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
1239         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
1240         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
1241         on DW.ref.* decls.
1243         PR c++/44062
1244         * c-parser.c (c_parser_expression): Mark LHS of a comma
1245         expression as read if it is a decl, handled component or
1246         COMPOUND_EXPR with that on the RHS.
1247         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
1248         if it is a decl or handled component.
1250 2010-05-11  Jan Hubicka  <jh@suse.cz>
1252         * lto-symtab.c (lto_symtab_free): New function.
1253         * lto-streamer.h (lto_symtab_free): Declare.
1255 2010-05-11  Jan Hubicka  <jh@suse.cz>
1257         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
1258         that if function is needed it is reachable.
1259         (lto_output_node): See if it the function is reachable or referenced.
1260         (output_cgraph): Update call of lto_output_node.
1261         * lto-streamer.h (reachable_from_other_partition_p): Declare.
1263 2010-05-11  Jan Hubicka  <jh@suse.cz>
1265         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
1266         Mark as used.
1268 2010-05-11  Jan Hubicka  <jh@suse.cz>
1270         PR tree-optimize/44063
1271         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
1272         queue.
1273         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
1274         limits.
1275         (estimate_function_body_sizes): Compute sizes even when disregarding.
1277 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
1279         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
1281 2010-05-11  Jan Hubicka  <jh@suse.cz>
1283         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
1284         into every boundary.
1286 2010-05-11  Jan Hubicka  <jh@suse.cz>
1288         * matrix-reorg.c (matrix_reorg): Rebuild edges.
1290 2010-05-11  Jan Hubicka  <jh@suse.cz>
1292         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
1293         lto_streamer_cache_delete): Put nodes into heap.
1294         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
1295         heap.
1297 2010-05-11  Jan Hubicka  <jh@suse.cz>
1299         * cgraphbuild.c (cgraph_rebuild_references): New.
1300         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
1301         out extern inlines.
1302         * cgraph.h (cgraph_rebuild_references): Declare.
1303         * tree-inline.c (tree_function_versioning): Use it.
1304         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
1306 2010-05-11  Jan Hubicka  <jh@suse.cz>
1308         * cgraph.c: Include ipa-utils.h
1309         (cgraph_create_virtual_clone): Update references.
1310         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
1312 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1314         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
1315         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
1316         cache size.
1318 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
1320         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
1322 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
1324         * gcc.c (execute): For -### don't quote arguments that
1325         contain just alphanumerics and _/-. characters.
1326         * doc/invoke.texi: Document that change for -###.
1328         PR debug/44023
1329         * df-problems.c (struct dead_debug): Add to_rescan field.
1330         (dead_debug_init): Clear to_rescan field.
1331         (dead_debug_finish): Rescan all debug insns in to_rescan
1332         bitmap and free the bitmap.
1333         (dead_debug_insert_before): Instead of rescanning debug insns
1334         immediately queue their rescanning until dead_debug_finish.
1335         (df_note_bb_compute): After dead_debug_add do continue instead
1336         of break.
1338 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
1340         PR debug/44028
1341         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1342         clear also INSN_REG_USE_LIST.
1344 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1346         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1348 2010-05-10  Jan Hubicka  <jh@suse.cz>
1350         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1351         commited change.
1353 2010-05-10  Jan Hubicka  <jh@suse.cz>
1355         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1356         Allocate encoders.
1357         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1358         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1359         (lto_streamer_cache_create): Init alloc pool.
1360         (lto_streamer_cache_delete): Free alloc pool.
1361         * lto-streamer.h: Include alloc pool.
1362         (lto_streamer_cache_d): Use alloc pool.
1363         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1365 2010-05-10  Jan Hubicka  <jh@suse.cz>
1367         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1368         * cgraphbuild.c: Include except.h
1369         (record_type_list, record_eh_tables): New function.
1370         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1372 2010-05-10  Jan Hubicka  <jh@suse.cz>
1374         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1375         __frame_dummy_init_array_entry, force_to_data): Attribute as used
1376         rather than unused.
1378 2010-05-10  Michael Matz  <matz@suse.de>
1380         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1381         (can_reassociate_p): Use FLOAT_TYPE_P.
1382         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1383         (vect_force_simple_reduction): ... this.
1384         * tree-parloops.c (gather_scalar_reductions): Use
1385         vect_force_simple_reduction.
1386         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1387         vect_is_simple_reduction, add modify argument, if true rewrite
1388         "a-b" into "a+(-b)".
1389         (vect_is_simple_reduction, vect_force_simple_reduction): New
1390         functions.
1391         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1393 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1394             Vladimir Makarov  <vmakarov@redhat.com>
1396         PR rtl-optimization/44012
1397         * ira-build.c (remove_unnecessary_allocnos): Nullify
1398         regno_allocno_map of the removed allocno.
1400 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1402         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1403         to /dev/null.
1404         * configure: Regenerate.
1406 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1408         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1409         unused.
1410         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1411         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1412         support in Sun ld.
1413         * configure: Regenerate.
1415 2010-05-10  Richard Guenther  <rguenther@suse.de>
1417         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1418         marked if the entry identifier is marked.
1420 2010-05-10  Richard Guenther  <rguenther@suse.de>
1422         * c-common.c (struct c_common_attributes): Add fnspec attribute.
1423         (handle_fnspec_attribute): New function.
1424         * gimple.h (gimple_call_return_flags): Declare.
1425         (gimple_call_arg_flags): Likewise.
1426         * gimple.c (gimple_call_arg_flags): New function.
1427         (gimple_call_return_flags): Likewise.
1428         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1429         New argument flags.
1430         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1431         return value flags.
1432         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1433         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1434         main work to ...
1435         (make_heapvar_for): ... this new function.
1436         (handle_rhs_call): Handle fnspec attribute argument specifiers.
1437         (handle_lhs_call): Likewise.
1438         (find_func_aliases): Adjust.
1440 2010-05-10  Richard Guenther  <rguenther@suse.de>
1442         PR tree-optimization/44050
1443         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1445 2010-05-10  Wei Guozhi  <carrot@google.com>
1447         PR target/42879
1448         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1450 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1452         PR c/10676
1453         * c-typeck.c (lookup_field): Take a type directly.  Update
1454         recursive calls.
1455         (build_component_ref): Update call to lookup_field.
1456         (set_init_label): Use lookup_field to find initialized field.
1457         Handle returned list of fields like a sequence of designators.
1459 2010-05-09  Richard Guenther  <rguenther@suse.de>
1461         PR middle-end/44024
1462         * fold-const.c (tree_single_nonzero_warnv_p): Properly
1463         handle &FUNCTION_DECL.
1465 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
1467         PR c/4784
1468         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
1469         structures and unions recursively.
1470         (detect_field_duplicates): Move duplicate detection with a hash to
1471         detect_field_duplicates_hash.  Always use a hash if anonymous
1472         structures or unions are present.
1473         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1474         give errors.
1476 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
1478         PR target/44046
1479         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1480         detect Atom, Core 2 and Core i7.
1482 2010-05-09  Richard Guenther  <rguenther@suse.de>
1484         * gcc.c (store_arg): Handle temporary file deletion for
1485         joined arguments.
1487 2010-05-09  Richard Guenther  <rguenther@suse.de>
1489         PR middle-end/44043
1490         * ipa-inline.c (estimate_function_body_sizes): Return after
1491         disregarding inline limits.
1493 2010-05-09  Richard Guenther  <rguenther@suse.de>
1495         * gcc.c (store_arg): Revert last change.
1497 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
1499         PR middle-end/28685
1500         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1501         (optimize_ops_list): Call it.
1503 2010-05-08  Richard Guenther  <rguenther@suse.de>
1505         PR tree-optimization/44030
1506         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
1507         NECESSARY flag if we propagate from a inserted expression.
1509 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
1511         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1512         domain types as equal if they are both PLACEHOLDER_EXPRs.
1514 2010-05-08  Richard Guenther  <rguenther@suse.de>
1516         * lto-wrapper.c (run_gcc): Remove linker output from
1517         command line for LTRANS invocation.
1519 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1521         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1522         lto-macho as lto_binary_reader.
1523         * target.h (struct gcc_target): New hooks lto_start and lto_end.
1524         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1525         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1526         in lto_start and lto_end calls.
1527         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
1528         magic numbers.
1529         (scan_prog_file): Update is_elf_or_coff call.
1530         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1532         * collect2.c (main): Fix enum comparison.
1534         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1535         Add prototypes.
1536         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1537         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
1538         and TARGET_ASM_LTO_END.
1539         * darwin.c: Include obstack.h and lto-streamer.h.
1540         (lto_section_names_offset, lto_section_names_obstack,
1541         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1542         global variables.
1543         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1544         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
1545         to a temporary file.
1546         (darwin_asm_lto_end): New function.  Restore asm_out_file.
1547         (darwin_asm_named_section): For LTO sections, replace the name with
1548         the offset of the section name in a string table, and build this
1549         table.
1550         (darwin_file_start): Initialize global vars for LTO support.
1551         (darwin_file_end): If output to asm_out_file was redirected, append it
1552         to the proper asm_out_file here.  Add the section names section.
1554 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
1556         * c-pragma.c (pending_weak_d, pending_weak): New.
1557         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1558         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1559         handle_pragma_weak): Update the uses of pending_weaks.
1561 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1563         PR documentation/44016
1564         * doc/standards.texi (Standards): Link to unversioned
1565         cxx0x_status.html page.
1567 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
1569         PR target/43708
1570         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1571         in addition to TREE_USED, to avoid "set but unused" warnings.
1573 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1575         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1576         (is_loop_prefetching_profitable): Do not insert prefetches
1577         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1578         times the prefetch ahead distance.
1580 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1582         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1583         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1584         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1585         the unroll_factor.
1587 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
1589         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1590         a diagnostic info when the insn-to-mem ratio is too small.
1592 2010-05-07  Richard Guenther <rguenther@suse.de>
1594         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1595         the linker plugin.
1596         (store_arg): Queue temp_filename for deletion instead of
1597         the whole argument.
1599 2010-05-07  Richard Guenther  <rguenther@suse.de>
1601         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1602         (run_gcc): Handle LTRANS phase invocation.
1603         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1605 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
1607         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1608         this is also meaningful on PARM_DECLs and RESULT_DECLs.
1610 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1612         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1614 2010-05-07  Richard Guenther  <rguenther@suse.de>
1616         PR tree-optimization/44020
1617         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1618         code when PRE is not yet initialized.
1620 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1622         * config/mips/dbxmdebug.h: Remove.
1623         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1625 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
1627         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1628         with null pointer and also warn about ordered comparison of zero with
1629         pointer if -Wextra.
1631 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1633         * graphite-blocking.c
1634         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1635         * graphite-clast-to-gimple.c
1636         (clast_to_gcc_expression): Same.
1637         (precision_for_value): Same.
1638         (precision_for_interval): Same.
1639         (gcc_type_for_interval): Same.
1640         (graphite_create_new_guard): Same.
1641         (compute_bounds_for_level): Same.
1642         (graphite_create_new_loop_guard): Same.
1643         * graphite-interchange.c
1644         (build_linearized_memory_access): Same.
1645         (pdr_stride_in_loop): Same.
1646         (memory_strides_in_loop_1): Same.
1647         (memory_strides_in_loop): Same.
1648         (extend_scattering): Same.
1649         (psct_scattering_dim_for_loop_depth): Same.
1650         (pbb_number_of_iterations): Same.
1651         * graphite-poly.h
1652         (debug_iteration_domains): Same.
1653         * graphite-ppl.c
1654         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1655         (ppl_set_inhomogeneous_gmp): Same.
1656         (ppl_strip_loop): Same.
1657         (ppl_lexico_compare_linear_expressions): Same.
1658         (ppl_read_polyhedron_matrix): Same.
1659         (ppl_max_for_le_pointset): Same.
1660         * graphite-ppl.h
1661         (ppl_read_polyhedron_matrix): Same.
1662         (tree_int_to_gmp): Same.
1663         (gmp_cst_to_tree): Same.
1664         (ppl_set_inhomogeneous): Same.
1665         (ppl_set_inhomogeneous_tree): Same.
1666         (ppl_set_coef): Same.
1667         (ppl_set_coef_tree): Same.
1668         * graphite-sese-to-poly.c
1669         (build_pbb_scattering_polyhedrons): Same.
1670         (build_scop_scattering): Same.
1671         (scan_tree_for_params_right_scev): Same.
1672         (scan_tree_for_params): Same.
1673         (find_params_in_bb): Same.
1674         (find_scop_parameters): Same.
1675         (add_upper_bounds_from_estimated_nit): Same.
1676         (build_loop_iteration_domains): Same.
1677         (add_condition_to_domain): Same.
1678         (pdr_add_memory_accesses): Same.
1680 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1682         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1683         CLooG's value_* macros to their respective mpz_* counterparts.
1684         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1685         (graphite_create_new_loop_guard): Same.
1686         * graphite-interchange.c (build_linearized_memory_access): Same.
1687         (pdr_stride_in_loop): Same.
1688         (memory_strides_in_loop_1): Same.
1689         (1st_interchange_profitable_p): Same.
1690         * graphite-poly.c (extend_scattering): Same.
1691         (psct_scattering_dim_for_loop_depth): Same.
1692         (pbb_number_of_iterations): Same.
1693         (pbb_number_of_iterations_at_time): Same.
1694         * graphite-poly.h (new_1st_loop): Same.
1695         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1696         (oppose_constraint): Same.
1697         (insert_constraint_into_matrix): Same.
1698         (ppl_set_inhomogeneous_gmp): Same.
1699         (ppl_set_coef_gmp): Same.
1700         (ppl_strip_loop): Same.
1701         (ppl_lexico_compare_linear_expressions): Same.
1702         (ppl_max_for_le_pointset): Same.
1703         (ppl_min_for_le_pointset): Same.
1704         (ppl_build_realtion): Same.
1705         * graphite-ppl.h (gmp_cst_to_tree): Same.
1706         (ppl_set_inhomogeneous): Same.
1707         (ppl_set_inhomogeneous_tree): Same.
1708         (ppl_set_coef): Same.
1709         (ppl_set_coef_tree): Same.
1710         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1711         (build_scop_scattering): Same.
1712         (add_value_to_dim): Same.
1713         (scan_tree_for_params_right_scev): Same.
1714         (scan_tree_for_params_int): Same.
1715         (scan_tree_for_params): Same.
1716         (find_params_in_bb): Same.
1717         (find_scop_parameters): Same.
1718         (add_upper_bounds_from_estimated_nit): Same.
1719         (build_loop_iteration_domains): Same.
1720         (create_linear_expr_from_tree): Same.
1721         (add_condition_to_domain): Same.
1722         (pdr_add_memory_accesses): Same.
1724 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
1725             Jason Merrill  <jason@redhat.com>
1727         * c-common.c (c_common_reswords): Add nullptr.
1728         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
1729         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1730         (gen_type_die_with_usage): Likewise.
1731         * dbxout.c (dbxout_type): Likewise.
1732         * sdbout.c (plain_type_1): Likewise.
1734 2010-05-06  Jason Merrill  <jason@redhat.com>
1736         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1737         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
1738         ret appropriately.
1739         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1741         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1742         stripping WITH_SIZE_EXPR.
1743         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1744         change.
1746 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1748         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1749         list of obsolete configurations.
1750         Disabled check for obsolete configurations.
1751         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1752         Removed support for previous versions.
1753         * config/mips/iris.h: Removed.
1754         * config/mips/iris5.h: Removed.
1755         * config/mips/iris6.h: Merged old iris.h contents.
1756         (TARGET_IRIX): Removed.
1757         (DRIVER_SELF_SPECS): Removed mabi=32.
1758         (IDENT_ASM_OP): Removed undef.
1759         (STARTFILE_SPEC): Removed mabi=32.
1760         (ENDFILE_SPEC): Likewise.
1761         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1762         (MACHINE_TYPE): Update for IRIX 6.5.
1763         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1764         TARGET_IRIX by TARGET_IRIX6.
1765         (mips_file_start): Likewise.
1766         (mips_output_external): Remove IRIX 5/6 O32 support.
1767         (mips_output_function_prologue): Likewise.
1768         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1769         TARGET_IRIX6.
1770         (TARGET_CPU_CPP_BUILTINS): Likewise.
1771         (TARGET_IRIX): Removed.
1772         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1773         (MULTILIB_DIRNAMES): Removed 32.
1774         (MULTILIB_OSDIRNAMES): Removed ../lib.
1775         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1776         (Specific, mips-sgi-irix5): Document removal.
1777         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1778         Remove references to older IRIX 6 releases and the O32 ABI.
1780 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1782         PR bootstrap/43994
1783         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1784         instead of DF_REF_REAL_REG.
1786 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1788         PR target/43888
1789         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1790         handling to still return true for x64 targets.
1792 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1794         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1796 2010-05-06  Jan Hubicka  <jh@suse.cz>
1798         PR tree-optimization/43791
1799         * ipa-inline.c (update_caller_keys): Remove bogus
1800         disregard_inline_limits check.
1802 2010-05-06  Michael Matz  <matz@suse.de>
1804         PR tree-optimization/43984
1805         * tree-ssa-pre.c (inserted_phi_names): Remove.
1806         (inserted_exprs): Change to bitmap.
1807         (create_expression_by_pieces): Set bits, don't append to vector.
1808         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1809         (eliminate): Don't look at inserted_phi_names, remove deleted
1810         insns from inserted_exprs.
1811         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1812         (init_pre, fini_pre): Allocate and free bitmaps.
1813         (execute_pre): Insert insns on edges before elimination.
1815 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1817         * tree.c (initializer_zerop): Handle STRING_CST.
1819 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1821         PR 40989
1822         * doc/invoke.texi (Wimplicit): Document as C only.
1823         * opts.c (common_handle_option): Add argument kind.
1824         (handle_option): Rename as read_cmdline_option. Factor out code to...
1825         (handle_option): ... here. New.
1826         (handle_options): Rename as read_cmdline_options.
1827         (decode_options): Update call.
1828         (set_option): Use option index instead of option pointer. Classify
1829         diagnostics correctly.
1830         (enable_warning_as_error): Call handle_option.
1831         * opts.h (set_option): Update declaration.
1832         (handle_option): Declare.
1833         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1834         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1835         * c-opts.c (set_Wimplicit): Delete.
1836         (c_family_lang_mask): New static constant.
1837         (c_common_handle_option): Add argument kind. Use handle_option
1838         instead of set_Wimplicit.
1839         (c_common_post_options): warn_implicit and warn_implicit_int
1840         are disabled by default.
1841         * c-common.c (warn_implicit): Do not define here.
1842         * c-common.h (warn_implicit): Do not declare here.
1843         (c_common_handle_option): Update declaration.
1844         * lto-opts.c (lto_reissue_options): Update call to set_option.
1846 2010-05-06  Richard Guenther  <rguenther@suse.de>
1848         PR tree-optimization/43571
1849         * domwalk.c (walk_dominator_tree): Walk the dominator
1850         sons in more optimal order.
1852 2010-05-06  Richard Guenther  <rguenther@suse.de>
1854         PR tree-optimization/43934
1855         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1856         (stmt_cost): Likewise.
1857         (extract_true_false_args_from_phi): New helper.
1858         (determine_max_movement): For PHI nodes verify we can hoist them
1859         and compute their cost.
1860         (determine_invariantness_stmt): Handle PHI nodes.
1861         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1862         if-converted form using COND_EXPRs.
1863         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1864         (tree_ssa_lim): Likewise.
1865         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1866         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1868 2010-05-06  Richard Guenther  <rguenther@suse.de>
1870         PR tree-optimization/43987
1871         * tree-ssa-structalias.c (could_have_pointers): For possibly
1872         address-taken variables force pointers to be recorded.
1873         (create_variable_info_for_1): Likewise.
1874         (push_fields_onto_fieldstack): Pass in wheter all fields
1875         must have pointers.
1876         (find_func_aliases): Query types instead of vars whether
1877         they contain pointers where appropriate.
1879 2010-05-06  Jan Hubicka  <jh@suse.cz>
1881         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1882         (record_reference, mark_address, mark_load, mark_store): Record
1883         references.
1884         (record_references_in_initializer): Update call of record_references.
1885         (rebuild_cgraph_edges): Remove all references before rebuiding.
1886         * cgraph.c (cgraph_create_node): Clear ref list.
1887         (cgraph_remove_node): Remove references.
1888         (dump_cgraph_node): Dump references.
1889         (cgraph_clone_node): Clone references.
1890         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1891         (struct cgraph_node, varpool_node): Add ref_lst.
1892         * ipa-ref.c: New file.
1893         * ipa-ref.h: New file.
1894         * ipa-ref-inline.h: New file.
1895         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1896         (referenced_from_other_partition_p): New function.
1897         (lto_output_varpool_node): Take set arugment; call
1898         referenced_from_other_partition.
1899         (lto_output_ref): New.
1900         (add_references): New.
1901         (output_refs): New.
1902         (output_cgraph): Compute boundary based on references; output refs.
1903         (output_varpool): Accept cgraph_node_set argument.
1904         (input_ref): New.
1905         (input_refs): New.
1906         (input_cgraph): Call input_refs.
1907         * lto-section-in.c (lto_section_name): Add refs.
1908         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1909         (ipa-ref.o): New file.
1910         * varpool.c (varpool_node): Clear ipa ref list.
1911         (varpool_remove_node): Remove references.
1912         (dump_varpool_node): Dump references.
1913         (varpool_assemble_decl): Only compile finalized ones.
1914         (varpool_extra_name_alias): Initialize ref list.
1915         * lto-streamer.c (lto-get_section_name): Add .refs section.
1916         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1917         (referenced_from_other_partition_p): Declared.
1919 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1921         PR tree-optimization/43901
1922         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1923         type is not NULL if it's transformation phase, and return
1924         FALSE if it's analysis.
1925         (vectorizable_conversion, vectorizable_operation,
1926         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1928 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1930         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1931         Delete.
1932         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1933         New define.
1934         * config/mips/mips-protos.h
1935         (mips_small_register_classes_for_mode_p): Delete prototype.
1937 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1939         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1940         * config/arm/arm.c (multiple_operation_profitable_p,
1941         compute_offset_order): New static functions.
1942         (load_multiple_sequence, store_multiple_sequence): Use them.
1943         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1944         memory offsets, not register numbers.
1945         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1947 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1949         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1950         (get_pending_sizes, put_pending_size, put_pending_sizes):
1951         Update the uses of pending_sizes.
1952         * c-decl.c (store_parm_decls): Likewise.
1953         * c-tree.h (struct c_arg_info): Likewise.
1954         * tree.h: Update the prototype for get_pending_sizes and
1955         put_pending_sizes.
1957 2010-05-05  Jason Merrill  <jason@redhat.com>
1959         PR debug/43370
1960         * c-common.c (handle_aligned_attribute): Respect
1961         ATTR_FLAG_TYPE_IN_PLACE.
1963         PR testsuite/43758
1964         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1965         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1966         (TARGET_INITIALIZER): Use it.
1967         * c-common.c (attribute_takes_identifier_p): Call it.
1968         * c-common.h: Update prototype.
1969         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1970         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1972 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1974         PR debug/43950
1975         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1976         DW_ID_down_case for Fortran compilation units.
1978 2010-05-05  Jan Hubicka  <jh@suse.cz>
1980         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1981         handle aliases.
1983 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1985         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1986         a variable-sized RESULT_DECL.
1988 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1990         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1992 2010-05-05  Jason Merrill  <jason@redhat.com>
1994         PR c++/43787
1995         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1996         returns GS_OK.
1997         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1999 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
2000             Jakub Jelinek  <jakub@redhat.com>
2002         PR debug/43478
2003         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
2004         (dead_debug_init, dead_debug_finish): New functions.
2005         (dead_debug_add, dead_debug_insert_before): Likewise.
2006         (df_note_bb_compute): Initialize a dead_debug object, add dead
2007         debug uses to it, insert debug bind insns before death insns,
2008         reset debug insns that refer to pending uses at the end.
2009         * rtl.h (make_debug_expr_from_rtl): New prototype.
2010         * varasm.c (make_debug_expr_from_rtl): New function.
2012 2010-05-05  Jan Hubicka  <jh@suse.cz>
2014         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
2015         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
2016         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
2017         lto_varpool_encoder_deref, lto_varpool_encoder_size,
2018         lto_varpool_encoder_encode_initializer_p,
2019         lto_set_varpool_encoder_encode_initializer): New functions.
2020         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
2021         call output_varpool.
2022         (input_varpool_node): Do not always set analyzed.
2023         (input_cgraph_1): Return vector of cgraph nodes.
2024         (input_varpool_1): Return vector of varpools.
2025         (input_cgraph): Free the vectors.
2026         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
2027         output only initializers needed.
2028         (lto_output): Only call output_cgraph.
2029         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
2030         * lto-section-out.c (lto_new_out_decl_state): Initialize
2031         state->varpool_node_encoder.
2032         * lto-streamer.h (lto_varpool_encoder_d): New.
2033         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
2034         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
2035         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
2036         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
2037         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
2038         Declare.
2039         (output_varpool, input_varpool): Remove declarations.
2041 2010-05-05  Jan Hubicka  <jh@suse.cz>
2043         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
2044         with body can prevail.
2046 2010-05-05  Jan Hubicka  <jh@suse.cz>
2048         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
2049         size.
2051 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2053         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
2055         * gengtype.h (erro_at_line): Constify pos argument.
2057         * gengtype.c: Include hashtab.h.
2058         (enum gc_used): Document GC_MAYBE_POINTED_TO.
2059         (error_at_line): Constify pos argument.
2060         (do_typedef): Initialize p->opt field.
2061         (get_file_gtfilename): Fix comment typo.
2062         (struct walk_type_data): Constify line field.
2063         (get_output_file_for_structure): New function.
2064         (write_local_func_for_structure): Constify orig_s argument.
2065         Use get_output_file_for_structure.
2066         (write_func_for_structure): Use get_output_file_for_structure.
2067         (INDENT): New define.
2068         (dump_pair, dump_type, dump_type_list, dump_typekind)
2069         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
2070         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
2071         functions.
2072         (seen_types): New variable.
2073         (main): New variable do_dump.  Process "-d" command line option.
2074         Call dump_everything if dump requested.
2076 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
2078         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
2079         in a temporary instead of invoking the macro multiple times.
2080         (track_expr_p): Likewise.
2082 2010-05-04  Neil Vachharajani <nvachhar@google.com>
2084         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
2085         per new semantics.
2086         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
2087         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
2088         conditions for printing notes.
2089         * common.opt (-Wcoverage-mismatch): Allow negative, default to
2090         true, update documentation.
2091         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
2093 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
2095         PR c/43981
2096         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
2097         on dimen.
2099 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2101         PR target/43799
2102         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
2103         (*sse_prologue_save_insn1): Likewise.
2104         (SSE prologue save splitter): Likewise.
2106 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2108         * tree.c (free_lang_data_in_one_sizepos): New inline function.
2109         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
2110         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
2111         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
2112         all decls.  Call it on DECL_FIELD_OFFSET of fields.
2113         (find_decls_types_r): Follow DECL_VALUE_EXPR.
2114         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
2116 2010-05-04  Martin Jambor  <mjambor@suse.cz>
2118         * tree-sra.c (build_access_from_expr_1): The first parameter type
2119         changed to simple tree.
2120         (build_access_from_expr): Likewise, gsi parameter was eliminated.
2121         (scan_assign_result): Renamed to assignment_mod_result, enum elements
2122         renamed as well.
2123         (build_accesses_from_assign): Removed all parameters except for a
2124         simple gimple statement.  Now returns a simple bool.
2125         (scan_function): All non-analysis parts moved to separate functions
2126         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
2127         parameters and updated both callers.
2128         (sra_modify_expr): Removed parameter data.
2129         (sra_modify_function_body): New function.
2130         (perform_intra_sra): Call sra_modify_function_body to modify the
2131         function body.
2132         (replace_removed_params_ssa_names): Parameter data changed into
2133         adjustments vector.
2134         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
2135         changed the parameter dont_convert to convert with the opposite
2136         meaning.
2137         (sra_ipa_modify_assign): Parameter data changed into adjustments
2138         vector, return value changed to bool.
2139         (ipa_sra_modify_function_body): New function.
2140         (sra_ipa_reset_debug_stmts): Updated a comment.
2141         (modify_function): Use ipa_sra_modify_function_body to modify function
2142         body.
2144 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2146         PR middle-end/43671
2147         * alias.c (true_dependence): Handle the same VALUE in x and mem.
2148         (canon_true_dependence): Likewise.
2149         (write_dependence_p): Likewise.
2151 2010-05-04  Jan Hubicka  <jh@suse.cz>
2153         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
2154         * cgraphbuild.c: Include ipa-utils.h
2155         (record_reference_ctx): New struct.
2156         (record_reference): Simplify to work on initializers; not statements.
2157         (mark_address, mark_load, mark_store): New.
2158         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
2159         walk PHI nodes too.
2160         (record_references_in_initializer): Update use of record_reference.
2161         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
2162         walk PHI nodes too.
2164 2010-05-04  Jan Hubicka  <jh@suse.cz>
2166         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
2167         node will be removed anyway.
2168         (lto_varpool_replace_node): Allow also unanalyzed nodes;
2169         relink aliases of node into prevailing node.
2170         * varpool.c (varpool_remove_node): Remove aliases properly;
2171         when removing node, remove all its aliases too; remove DECL_INITIAL
2172         of removed node; ggc_free the varpool node.
2174 2010-05-04  Richard Guenther  <rguenther@suse.de>
2176         PR tree-optimization/43879
2177         * tree-ssa-structalias.c (alias_get_name): Use
2178         DECL_ASSEMBLER_NAME if available.
2179         (create_function_info_for): Return the varinfo node.
2180         (ipa_pta_execute): Associate same-body aliases and extra names
2181         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
2183 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
2185         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
2187 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
2189         PR bootstrap/43964
2190         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
2191         only if HONOR_REG_ALLOC_ORDER is not defined.
2193 2010-05-04  Richard Guenther  <rguenther@suse.de>
2195         PR tree-optimization/43949
2196         * tree-vrp.c (extract_range_from_binary_expr): Only handle
2197         TRUNC_MOD_EXPR.
2199 2010-04-26  Jason Merrill  <jason@redhat.com>
2201         * c.opt (-fstrict-enums): New.
2202         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
2204 2010-05-03  David Ung <davidu@mips.com>
2205             James E. Wilson  <wilson@codesourcery.com>
2207         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
2208         emit the trap instruction before the divide for TUNE_74K.
2210 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
2212         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
2213         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
2214         based on the above, for new target hook.
2216         * hooks.c (hook_bool_mode_true): New generic hook.
2217         * hooks.h (hook_bool_mode_true): Add prototype.
2219         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
2220         target hook.
2221         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
2222         target hook, set to hook_bool_mode_false.
2223         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
2224         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
2225         with targetm.small_register_classes_for_mode_p.
2226         (find_reusable_reload): Likewise.
2227         (combine_reloads): Likewise.
2228         * reload1.c (reload_as_needed): Likewise.
2229         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
2230         * ifcvt.c (noce_process_if_block, check_cond_move_block,
2231         dead_or_predicable): Likewise.
2232         * regmove.c (optimize_reg_copy_1): Likewise.
2233         * calls.c (prepare_call_address): Likewise.
2234         (precompute_register_parameters): Likewise.
2236         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
2237         hook definition.
2238         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
2239         implementation of the hook that considers all register classes
2240         small except for SH64.
2241         (sh_override_options): Use the new hook.
2242         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
2243         Add prototype.
2245         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
2246         hook definition.
2247         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
2248         implementation of the hook that considers all register classes
2249         small for THUMB1.
2250         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
2251         Add prototype.
2253         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
2254         hook definition.
2255         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
2256         implementation of the hook that considers all register classes
2257         small for MIPS16.
2258         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
2259         Add prototype.
2261         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
2262         hook definition.
2263         * config/m32c/m32c.h: Likewise.
2264         * config/pdp11/pdp11.h: Likewise.
2265         * config/avr/avr.h: Likewise.
2266         * config/xtensa/xtensa.h: Likewise.
2267         * config/m68hc11/m68hc11.h: Likewise.
2268         * config/mn10300/mn10300.h: Likewise.
2269         * config/mcore/mcore.h: Likewise.
2270         * config/h8300/h8300.h: Likewise.
2271         * config/bfin/bfin.h: Likewise.
2273         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
2274         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
2276 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
2278         * double-int.h (tree_to_double_int): Remove macro.
2279         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
2280         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2281         (tree_to_double_int): New function.
2282         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
2283         Move ...
2284         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2286 2010-05-03  Richard Guenther  <rguenther@suse.de>
2288         PR tree-optimization/43971
2289         * tree-ssa-structalias.c (get_constraint_for_1): Fix
2290         constraints in the !flag_delete_null_pointer_checks case.
2292 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
2294         PR debug/43972
2295         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
2296         result mode matches original rtl mode.
2298 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
2300         PR target/43888
2301         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
2303 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2305         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
2306         when processing flag options.
2308 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2310         * gcov-iov.c (main): Change format string placeholder
2311         from %#08x to 0x%08x.
2312         * genchecksum.c (dosum): Change format string placeholder
2313         from %#02x to 0x%02x.
2315 2010-05-02  Richard Guenther  <rguenther@suse.de>
2317         PR tree-optimization/43879
2318         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
2320 2010-05-02  Bruno Haible  <bruno@clisp.org>
2322         * doc/extend.texi (Function Attributes): Fix a typo.
2324 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2326         Revert:
2327         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2328         placeholder from 0x%x to %#x.
2329         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2330         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2331         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2332         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2333         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2334         * config/i386/i386.c (ix86_target_string): Ditto.
2335         * config/i386/i386.c (output_pic_addr_const): Ditto.
2336         (print_operand): Ditto.
2338 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2340         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2341         placeholder from 0x%x to %#x.
2342         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2343         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2344         (ASM_OUTPUT_DEBUG_DATA): Ditto.
2345         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2346         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2347         * optc-gen.awk: Ditto.
2348         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2349         (HOST_WIDE_INT_PRINT_HEX): Ditto.
2350         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2351         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2353 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2355         * target.h (struct calls): Add function_value_regno_p field.
2356         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2357         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2358         * targhooks.c (default_function_value_regno_p): New function.
2359         * targhooks.h (default_function_value_regno_p): Declare function.
2360         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2361         * builtins.c. (apply_result_size): (Ditto.).
2362         * combine.c. (likely_spilled_retval_p): (Ditto.).
2363         * mode-switching.c. Include 'target.h'.
2364         (create_pre_exit): Use function_value_regno_p hook.
2365         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2366         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2367         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2369         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2370         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2371         (ix86_function_value_regno_p): Declare as static, change argument
2372         type to const unsigned int.
2373         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2375 2010-05-01  Richard Guenther  <rguenther@suse.de>
2377         PR tree-optimization/43949
2378         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2379         types.
2380         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2382 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2384         * rtl.h (CONST_DOUBLE_P): Define.
2385         (rtx_to_double_int): Declare.
2386         * emit-rtl.c (rtx_to_double_int): New function.
2387         * dwarf2out.c (insert_double): New function.
2388         (loc_descriptor, add_const_value_attribute): Clean up, use
2389         rtx_to_double_int and insert_double functions.
2391 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
2393         * doc/extend.texi (Inline): Add missing return keyword to examples.
2394         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2395         "command-line".
2397 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2399         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2400         the variable part of the offset as well.  Use highest_pow2_factor for
2401         all alignment checks.
2403 2010-04-30  Richard Guenther  <rguenther@suse.de>
2405         PR tree-optimization/43879
2406         * tree-ssa-structalias.c (type_could_have_pointers): Functions
2407         can have pointers.
2409 2010-04-30  Jan Hubicka  <jh@suse.cz>
2411         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2412         varpool.
2413         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2415 2010-04-30  Jan Hubicka  <jh@suse.cz>
2417         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2418         New.
2419         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2420         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2421         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2422         cgraph_node_set_needs_ltrans_p): Remove.
2424 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2426         * sdbout.c: Include vec.h, do not include varray.h.
2427         (deferred_global_decls, sdbout_global_decl,
2428         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2429         * toplev.c: Do not include varray.h.
2430         (dump_memory_report): Do not dump VARRAY statistics.
2431         * gengtype.c (open_base_file): Ignore varray.h.
2432         * Makefile.in: Update for abovementioned changes.
2433         Remove all traces of varray.c and varray.h.
2434         * varray.c: Remove file.
2435         * varray.h: Remove file.
2437 2010-04-30  Jan Hubicka  <jh@suse.cz>
2439         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2440         references.
2442 2010-04-30  Jan Hubicka  <jh@suse.cz>
2444         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2445         needed.
2447 2010-04-30  Richard Guenther  <rguenther@suse.de>
2449         * tree-ssa-structalias.c (get_constraint_for_1): Generate
2450         constraints for CONSTRUCTOR.
2452 2010-04-30  Richard Guenther  <rguenther@suse.de>
2454         PR lto/43946
2455         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2456         first after all lowering passes.
2458 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2460         * toplev.c: Include varray.h for statistics dumping.
2461         * tree.h: Do not declare varray_head_tag.
2462         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2463         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2464         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2465         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2466         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2467         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2468         c-common.c, c-common.h, reg-stack.c, basic-block.h,
2469         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2470         include varray.h.
2471         * Makefile.in: Update for abovementioned changes.
2473 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
2475         PR debug/43942
2476         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2478 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
2480         * config/picochip/picochip.c (picochip_legitimize_address): Define.
2481         Use this function to do machine-specific conversion.
2482         (picochip_legitimize_reload_address): Likewise.
2483         (picochip_legitimate_address_p): Check valid base register only if
2484         strict.
2485         (picochip_check_conditional_copy): Check for modw only if opnd is
2486         register.
2487         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2488         to call the function in c.
2489         * config/picochip/picochip-protos.h
2490         (picochip_legitimize_reload_address): Define.
2491         * config/picochip/picochip.md (supported_compare1): Define.
2493 2010-04-30  Jan Hubicka  <jh@suse.cz>
2495         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2496         (cgraph_global_info): Remove inlined.
2497         (LTO_cgraph_tag_names): Remove.
2498         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2499         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2500         simplify cgraph tags and document.
2501         (lto_output_node): Use only LTO_cgraph_unavail_node and
2502         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2503         for_functions_valid, global info, process and output flags.
2504         (input_overwrite_node): Initialize estimated stack size and
2505         estimated growth.  Do not read flags we no longer store.
2506         (input_node): Likewise do not read info no longer stored.
2507         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2508         flag.
2510 2010-04-30  Richard Guenther  <rguenther@suse.de>
2512         PR tree-optimization/43879
2513         * tree-ssa-structalias.c (get_constraint_for_1): Properly
2514         handle non-zero initializers.
2516 2010-04-30  Richard Guenther  <rguenther@suse.de>
2518         * builtins.c (fold_builtin_1): Delete free (0).
2520 2010-04-29  Jan Hubicka  <jh@suse.cz>
2522         * gengtype.c (open_base_files): Add lto-streamer.h
2523         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2524         (pass_ipa_cp): GGC collect.
2525         * toplev. (compile_file): Do not output symbols.
2526         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2527         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2528         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2529         * lto-section-in.c: Include ggc.h
2530         (lto_new_in_decl_state): Alloc in GGC.
2531         (lto_delete_in_decl_state): Likewise.
2532         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2533         Collect.
2535 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2537         PR target/42895
2538         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2539         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
2540         (HONOR_REG_ALLOC_ORDER): Describe new macro.
2541         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2542         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2543         account only if HONOR_REG_ALLOC_ORDER is not defined.
2544         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2545         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2547 2010-04-29  Jon Grant  <04@jguk.org>
2549         * collect2.c (vflag): Change type from int to bool.
2550         (debug): Likewise.
2551         (helpflag): New global bool.
2552         (main): Set vflag and debug with boolean, not integer truth values.
2553         Accept new "--help" option and output usage text if found.
2554         * collect2.h (vflag): Update prototype.
2555         (debug): Likewise.
2557 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2559         PR bootstrap/43936
2560         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2562 2010-04-29  Richard Guenther  <rguenther@suse.de>
2564         PR bootstrap/43935
2565         * plugin.h (invoke_plugin_callbacks): Annotate arguments
2566         with ATTRIBUTE_UNUSED.
2568 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2570         PR target/43921
2571         * config/i386/i386.c (get_some_local_dynamic_name): Replace
2572         INSN_P with NONDEBUG_INSN_P.
2573         (distance_non_agu_define): Likewise.
2574         (distance_agu_use): Likewise.
2576 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
2578         From Dominique d'Humieres <dominiq@lps.ens.fr>
2579         PR bootstrap/43858
2580         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2581         test_set.
2583 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
2585         * plugin.h (invoke_plugin_callbacks): New inline function.
2586         * plugin.c (flag_plugin_added): New global flag.
2587         (add_new_plugin): Initialize above flag.
2588         (invoke_plugin_callbacks): Rename to ...
2589         (invoke_plugin_callbacks_full): ... this.
2591 2010-04-28  Jan Hubicka  <jh@suse.cz>
2593         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2594         (lto_varpool_replace_node): New.
2595         (lto_symtab_resolve_symbols): Resolve varpool nodes.
2596         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2597         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2598         * cgraph.h (varpool_node_ptr): New type.
2599         (varpool_node_ptr): New vector.
2600         (varpool_node_set_def): New structure.
2601         (varpool_node_set): New type.
2602         (varpool_node_set): New vector.
2603         (varpool_node_set_element_def): New structure.
2604         (varpool_node_set_element, const_varpool_node_set_element): New types.
2605         (varpool_node_set_iterator): New type.
2606         (varpool_node): Add prev pointers, add used_from_other_partition,
2607         in_other_partition.
2608         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2609         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2610         varpool_get_node, varpool_remove_node): Declare.
2611         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2612         varpool_node_set_size): New inlines.
2613         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2614         * tree-pass.h (varpool_node_set_def): Forward declare.
2615         (ipa_opt_pass_d): Summary writting takes vnode sets too.
2616         (ipa_write_optimization_summaries): Update prototype.
2617         * ipa-cp.c (ipcp_write_summary): Update.
2618         * ipa-reference.c (ipa_reference_write_summary): Update.
2619         * lto-cgraph.c (lto_output_varpool_node): New static function.
2620         (output_varpool): New function.
2621         (input_varpool_node): New static function.
2622         (input_varpool_1): New function.
2623         (input_cgraph): Input varpool.
2624         * ipa-pure-const.c (pure_const_write_summary): Update.
2625         * lto-streamer-out.c (lto_output): Update, output varpool too.
2626         (write_global_stream): Kill WPA hack.
2627         (produce_asm_for_decls): Update.
2628         (output_alias_pair_p): Handle variables.
2629         (output_unreferenced_globals): Output only needed partition of varpool.
2630         * ipa-inline.c (inline_write_summary): Update.
2631         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2632         cgraph.
2633         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2634         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2635         varpool_node_set_new, varpool_node_set_add,
2636         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2637         debug_varpool_node_set): New functions.
2638         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2639         (execute_one_pass): Process new decls too.
2640         (ipa_write_summaries_2): Pass around vsets.
2641         (ipa_write_summaries_1): Likewise.
2642         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2643         to add.
2644         (ipa_write_optimization_summaries_1): Pass around vsets.
2645         (ipa_write_optimization_summaries): Likewise.
2646         * varpool.c (varpool_get_node): New.
2647         (varpool_node): Update doubly linked lists.
2648         (varpool_remove_node): New.
2649         (dump_varpool_node): More dumping.
2650         (varpool_enqueue_needed_node): Update doubly linked lists.
2651         (decide_is_variable_needed): Kill ltrans hack.
2652         (varpool_finalize_decl): Kill lto hack.
2653         (varpool_assemble_decl): Skip decls in other partitions.
2654         (varpool_assemble_pending_decls): Update doubly linkes lists.
2655         (varpool_empty_needed_queue): Likewise.
2656         (varpool_extra_name_alias): Likewise.
2657         * lto-streamer.c (lto_get_section_name): Add vars section.
2658         * lto-streamer.h (lto_section_type): Update.
2659         (output_varpool, input_varpool): Declare.
2661 2010-04-28  Mike Stump  <mikestump@comcast.net>
2663         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2665 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2667         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2668         record or union type with RECORD_OR_UNION_TYPE_P predicate.
2669         (lto_input_ts_type_tree_pointers): Likewise.
2670         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2671         (lto_output_ts_type_tree_pointers): Likewise.
2673 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2675         Uniquization of constants at the Tree level
2676         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2677         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2678         bit to the end.
2679         (tree_output_constant_def): Declare.
2680         * gimplify.c (gimplify_init_constructor): When using block copy, first
2681         uniquize the constant constructor on the RHS.
2682         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2683         DECL_IN_CONSTANT_POOL flag.
2684         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2685         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2686         constant pool.
2687         (assemble_variable): Deal with symbols belonging to the tree constant
2688         pool.
2689         (get_constant_section): Add ALIGN parameter and simplify.
2690         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2691         (assemble_constant_contents): Use the expression of the VAR_DECL.
2692         (output_constant_def_contents): Use the alignment of the VAR_DECL.
2693         (tree_output_constant_def): New global function.
2694         (mark_constant): Use the expression of the VAR_DECL.
2695         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2696         its expression.
2697         (output_object_block): Likewise and assemble the expression.
2699 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2701         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2702         hash_tree, eq_tree): New tree hash table.
2703         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2704         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2705         lto_orig_address_remove): Reimplement.
2707 2010-04-28  Xinliang David Li  <davidxl@google.com>
2709         PR c/42643
2710         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2711         (compute_uninit_opnds_pos): New function.
2712         (is_non_loop_exit_postdominating): New function.
2713         (compute_control_dep_chain): New function.
2714         (find_pdom): New function.
2715         (convert_control_dep_chain_into_preds): New function.
2716         (find_predicates): New function.
2717         (find_control_equiv_block): New function.
2718         (collect_phi_def_edges): New function.
2719         (find_def_preds): New function.
2720         (find_dom): New function.
2721         (dump_predicates): New function.
2722         (get_cmp_code): New function.
2723         (is_value_included_in): New function.
2724         (find_matching_predicate_in_rest_chains): New function.
2725         (use_pred_not_overlap_with_undef_path_pred): New function.
2726         (is_use_properly_guarded): New function.
2727         (normalize_cond_1): New function.
2728         (is_and_or_or): New function.
2729         (normalize_cond): New function.
2730         (is_gcond_subset_of): New function.
2731         (is_subset_of_any): New function.
2732         (is_or_set_subset_of): New function.
2733         (is_and_set_subset_of): New function.
2734         (is_norm_cond_subset_of): New function.
2735         (is_pred_expr_subset_of): New function.
2736         (is_pred_chain_subset_of): New function.
2737         (is_included_in): New function.
2738         (is_superset_of): New function.
2739         (find_uninit_use): New function.
2740         (warn_uninitialized_phi): New function.
2741         (compute_possibly_undefined_names): New function.
2742         (ssa_undefined_value_p): New function.
2743         (execute_late_warn_uninitialized): New function.
2744         * tree-ssa.c (ssa_undefined_value_p): Removed.
2745         (warn_uninit): Changed to extern.
2746         (warn_uninitialized_phi): Removed.
2747         (warn_uninitialized_vars): Changed to extern.
2748         (execute_late_warn_uninitialized): Removed
2749         * tree-flow.h: Add new prototypes.
2750         * timevar.def: Add new time variable.
2751         * Makefile.in: Add new build file.
2753 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
2755         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2756         type if available.
2758 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2760         PR target/22224
2761         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2763 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2765         * cgraph.h (struct cgraph_node): New field indirect_calls.
2766         (struct cgraph_indirect_call_info): New type.
2767         (struct cgraph_edge): Removed field indirect_call. New fields
2768         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2769         (cgraph_create_indirect_edge): Declare.
2770         (cgraph_make_edge_direct): Likewise.
2771         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2772         * ipa-prop.h (struct ipa_param_call_note): Removed.
2773         (struct ipa_node_params): Removed field param_calls.
2774         (ipa_create_all_structures_for_iinln): Declare.
2775         * cgraph.c: Described indirect edges and uids in initial comment.
2776         (cgraph_add_edge_to_call_site_hash): New function.
2777         (cgraph_edge): Search also among the indirect edges, use
2778         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2779         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2780         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2781         site hash.
2782         (initialize_inline_failed): Assign a reason to indirect edges.
2783         (cgraph_create_edge_1): New function.
2784         (cgraph_create_edge): Moved some functionality to
2785         cgraph_create_edge_1.
2786         (cgraph_create_indirect_edge): New function.
2787         (cgraph_edge_remove_callee): Add an assert checking for
2788         non-indirectness.
2789         (cgraph_edge_remove_caller): Special-case indirect edges.
2790         (cgraph_remove_edge): Likewise.
2791         (cgraph_set_edge_callee): New function.
2792         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2793         (cgraph_make_edge_direct): New function.
2794         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2795         the declaration of the call statement matches.
2796         (cgraph_node_remove_callees): Special-case indirect edges.
2797         (cgraph_clone_edge): Likewise.
2798         (cgraph_clone_node): Clone also the indirect edges.
2799         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2800         indirect_call, dump count of indirect_calls edges.
2801         * ipa-prop.c (iinlining_processed_edges): New variable.
2802         (ipa_note_param_call): Create indirect edges instead of
2803         creating notes.  New parameter node.
2804         (ipa_analyze_call_uses): New parameter node, pass it on to
2805         ipa_note_param_call.
2806         (ipa_analyze_stmt_uses): Likewise.
2807         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2808         (print_edge_addition_message): Work on edges rather than on notes.
2809         (update_call_notes_after_inlining): Likewise, renamed to
2810         update_indirect_edges_after_inlining.
2811         (ipa_create_all_structures_for_iinln): New function.
2812         (ipa_free_node_params_substructures): Do not free notes.
2813         (ipa_edge_duplication_hook): Propagate bits within
2814         iinlining_processed_edges bitmap.
2815         (ipa_node_duplication_hook): Do not duplicate notes.
2816         (free_all_ipa_structures_after_ipa_cp): Renamed to
2817         ipa_free_all_structures_after_ipa_cp.
2818         (free_all_ipa_structures_after_iinln): Renamed to
2819         ipa_free_all_structures_after_iinln.
2820         (ipa_write_param_call_note): Removed.
2821         (ipa_read_param_call_note): Removed.
2822         (ipa_write_indirect_edge_info): New function.
2823         (ipa_read_indirect_edge_info): Likewise.
2824         (ipa_write_node_info): Do not stream notes, do stream information
2825         in indirect edges.
2826         (ipa_read_node_info): Likewise.
2827         (lto_ipa_fixup_call_notes): Removed.
2828         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2829         * ipa-inline.c (pass_ipa_inline): Likewise.
2830         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2831         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2832         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2833         is_gimple_call.
2834         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2835         edges.
2836         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2837         (output_cgraph): Stream also indirect edges.
2838         (lto_output_edge): Added capability to stream indirect edges.
2839         (input_edge): Likewise.
2840         (input_cgraph_1): Likewise.
2841         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2842         of indirect edges.
2844 2010-04-28  Richard Guenther  <rguenther@suse.de>
2846         PR tree-optimization/43879
2847         PR tree-optimization/43909
2848         * tree-ssa-structalias.c (struct variable_info): Add
2849         only_restrict_pointers flag.
2850         (new_var_info): Initialize it.  Increment stats.total_vars here.
2851         (create_function_info_for): Do not increment stats.total_vars here.
2852         (get_function_part_constraint): Fix build with C++.
2853         (insert_into_field_list): Remove.
2854         (push_fields_onto_fieldstack): Properly merge fields.
2855         (create_variable_info_for): Split and simplify.
2856         (create_variable_info_for_1): New piece.
2857         (intra_create_variable_infos): Properly make restrict constraints
2858         from parameters.
2860 2010-04-28  Richard Guenther  <rguenther@suse.de>
2862         PR c++/43880
2863         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2865 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2866             Jan Hubicka <hubicka@ucw.cz>
2868         * doc/invoke.texi (-Wsuggest-attribute=const,
2869         -Wsuggest-attribute=pure): Document.
2870         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2871         (function_always_visible_to_compiler_p,
2872         suggest_attribute, warn_function_pure, warn_function_const):
2873         New functions.
2874         (check_call): Improve debug info.
2875         (analyze_function): Do not check availability.
2876         (add_new_function): Check availability.
2877         (propagate): Output warnings.
2878         (skip_function_for_local_pure_const): New function.
2879         (local_pure_const): Use it; output warnings.
2880         * common.opt (Wsuggest-attribute=const,
2881         Wsuggest-attribute=pure): New.
2883 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2885         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2886         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2887         or DW_CFA_def_cfa_offset{,_sf}.
2889 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2891         * tree.h: Fix truncated long macros.
2893 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2895         * collect2.c (TARGET_64BIT): Redefine to target's default.
2896         * tlink.c: Likewise.
2897         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2898         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2899         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2900         for underscoring __USER_LABEL_PREFIX__.
2901         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2902         (SUB_LINK_ENTRY32): New.
2903         (SUB_LINK_ENTRY64): New.
2904         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2905         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2906         (SUB_LINK_ENTRY64): New.
2907         (SUB_LINK_ENTRY): New.
2908         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2909         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2910         x64 target is choosen.
2911         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2912         * configure: Regenerated.
2913         * configure.ac (leading-mingw64-underscores): Option added.
2915 2010-04-27  Jan Hubicka  <jh@suse.cz>
2917         * doc/invoke.texi (-fipa-profile): Document.
2918         * opts.c (decode_options): Enable ipa-profile at -O1.
2919         * timevar.def (TV_IPA_PROFILE): Define.
2920         * common.opt (fipa-profile): Add.
2921         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2922         flag for clones.
2923         (cgraph_propagate_frequency): Handle only local ones.
2924         * tree-pass.h (pass_ipa_profile): Declare.
2925         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2926         (pass_ipa_profile): Use TV_IPA_PROFILE.
2927         * ipa.c (ipa_profile): New function.
2928         (gate_ipa_profile): Likewise.
2929         (pass_ipa_profile): New global variable.
2930         * passes.c (pass_ipa_profile): New.
2932 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2934         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2936 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2938         PR middle-end/43812
2939         * ipa.c (dissolve_same_comdat_group_list): New function.
2940         (function_and_variable_visibility): Call
2941         dissolve_same_comdat_group_list when comdat group contains external or
2942         newly local nodes.
2943         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2944         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2946 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2948         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2949         (const_hash_1) <VECTOR_CST>: New case.
2950         (compare_constant) <VECTOR_CST>: Likewise.
2951         <ADDR_EXPR>: Deal with LABEL_REFs.
2952         (copy_constant) <VECTOR_CST>: New case.
2954 2010-04-27  Jan Hubicka  <jh@suse.cz>
2956         * cgraph.c (cgraph_propagate_frequency): New function.
2957         * cgraph.h (cgraph_propagate_frequency): Declare.
2958         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2959         cgraph_propagate_frequency.
2961 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2963         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2965 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2967         PR target/40657
2968         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2969         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2970         here to determine which regs to push and how much stack to reserve.
2972 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2974         * doc/gimple.texi (gimple_statement_with_ops): Remove
2975         addresses_taken field.
2976         (gimple_statement_with_memory_ops): Likewise.
2978 2010-04-27  Jan Hubicka  <jh@suse.cz>
2980         * tree-inline.c (eni_inlining_weights): Remove.
2981         (estimate_num_insns): Special case more builtins.
2983 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2985         PR c/32207
2986         * c-typeck.c (build_binary_op): Move forward check for comparison
2987         pointer with null pointer constant and adjust the diagnostic message.
2989 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2991         PR lto/42776
2992         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2993         binutils supports extended .section directive needed by LTO, or
2994         warn if older binutils found.
2995         (LTO_BINARY_READER): New AC_SUBST'd variable.
2996         (LTO_USE_LIBELF): Likewise.
2997         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2998         variable.
2999         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
3000         (LTO_USE_LIBELF): Likewise.
3001         * configure: Regenerate.
3003         * collect2.c (is_elf): Rename from this ...
3004         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
3005          object files in addition to ELF-formatted ones.
3006         (scan_prog_file): Caller updated.  Also allow for LTO info marker
3007         symbol to be prefixed or not by an extra underscore.
3009         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
3010         * config/i386/winnt.c: Also #include lto-streamer.h
3011         (i386_pe_asm_named_section): Specify 1-byte section alignment for
3012         LTO named sections.
3013         (i386_pe_asm_output_aligned_decl_common): Add comment.
3014         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
3016 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
3018         PR target/43889
3019         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
3020         Add missing earlyclobber for second alternative.
3022 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
3024         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
3025         bits for artificial defs at the top of the block.
3026         * fwprop.c (single_def_use_enter_block): Don't call it.
3028 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
3030         PR 43715
3031         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
3032         instead of "$gcc_cv_objdump -T".
3033         Use "-undefined dynamic_lookup" on darwin.
3034         * gcc/configure: Regenerate.
3036 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
3038         PR c/43893
3039         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
3041 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
3043         * c-parser.c (struct c_token): Move location field up.
3044         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
3045         (struct c_declspecs): Convert typespec_word, storage_class, and
3046         default_int_p into bitfields.
3047         (struct c_declarator): Move loc field up.
3049 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
3051         * cfgloop.h (struct loop): Move can_be_parallel field up.
3052         * ipa-prop.h (struct ip_node_params): Move bitfields up.
3053         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
3054         down.
3055         (struct iv_cand): Convert pos field into a bitfield.
3056         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
3057         field up.
3058         (struct _stmt_vec_info): Shuffle fields for better packing.
3060 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
3062         * varasm.c (IN_NAMED_SECTION): Remove guard.
3063         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
3064         (IN_NAMED_SECTION_P): ...this.
3065         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
3066         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3068 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
3070         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
3071         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
3072         of shadowing it.  Fix comments.
3074 2010-04-26  Jan Hubicka  <jh@suse.cz>
3076         * cgraph.c (cgraph_create_node): Set node frequency to normal.
3077         (cgraph_clone_node): Copy function frequency.
3078         * cgraph.h (node_frequency): New enum
3079         (struct cgraph_node): Add.
3080         * final.c (rest_of_clean_state): Update.
3081         * lto-cgraph.c (lto_output_node): Output node frequency.
3082         (input_overwrite_node): Input node frequency.
3083         * tre-ssa-loop-ivopts (computation_cost): Update.
3084         * lto-streamer-out.c (output_function): Do not output function
3085         frequency.
3086         * predict.c (maybe_hot_frequency_p): Update and handle functions
3087         executed once.
3088         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
3089         attribute lookup.
3090         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
3091         (compute_function_frequency): Set noreturn functions to be executed
3092         once.
3093         (choose_function_section): Update.
3094         * lto-streamer-in.c (input_function): Do not input function frequency.
3095         * function.c (allocate_struct_function): Do not initialize function
3096         frequency.
3097         * function.h (function_frequency): Remove.
3098         (struct function): Remove function frequency.
3099         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
3100         (try_update): Update.
3101         * tree-inline.c (initialize_cfun): Do not update function frequency.
3102         * passes.c (pass_init_dump_file): Update.
3103         * i386.c (ix86_compute_frame_layout): Update.
3104         (ix86_pad_returns): Update.
3106 2010-04-26  Jie Zhang  <jie@codesourcery.com>
3108         PR tree-optimization/43833
3109         * tree-vrp.c (range_int_cst_p): New.
3110         (range_int_cst_singleton_p): New.
3111         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
3112         when both operands are constants.  Use range_int_cst_p in
3113         BIT_IOR_EXPR case.
3115 2010-04-26  Jan Hubicka  <jh@suse.cz>
3117         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
3119 2010-04-26  Richard Guenther  <rguenther@suse.de>
3121         PR lto/43080
3122         * gimple.c (gimple_decl_printable_name): Deal gracefully
3123         with a NULL DECL_NAME.
3125 2010-04-26  Richard Guenther  <rguenther@suse.de>
3127         PR lto/42425
3128         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
3129         if emitting debug information and it is either a function
3130         or a namespace decl.
3132 2010-04-26  Ira Rosen  <irar@il.ibm.com>
3134         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
3135         determine if the statement is vectorizable, and a macro to access it.
3136         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3137         Skip statements that can't be vectorized. If the analysis fails,
3138         mark the statement as unvectorizable if vectorizing basic block.
3139         (vect_compute_data_refs_alignment): Likewise.
3140         (vect_verify_datarefs_alignment): Skip statements marked as
3141         unvectorizable. Add print.
3142         (vect_analyze_group_access): Skip statements that can't be
3143         vectorized. If the analysis fails, mark the statement as
3144         unvectorizable if vectorizing basic block.
3145         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
3146         * tree-vect-stmts.c (vectorizable_store): Fix the number of
3147         generated stmts for SLP.
3148         (new_stmt_vec_info): Initialize the new field.
3149         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
3150         statements marked as unvectorizable.
3152 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
3154         * c-common.c (flag_isoc1x): New.
3155         (flag_isoc99): Update comment.
3156         * c-common.h (flag_isoc1x): New.
3157         (flag_isoc99): Update comment.
3158         * c-cppbuiltin.c (builtin_define_float_constants): Also define
3159         __<type>_DECIMAL_DIG__.
3160         * c-opts.c (set_std_c1x): New.
3161         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
3162         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
3163         * c.opt (-std=c1x, -std=gnu1x): New options.
3164         * doc/cpp.texi: Mention -std=c1x.
3165         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
3166         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
3167         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
3168         * doc/standards.texi: Mention C1X.
3169         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
3170         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
3171         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
3172         Define for C1X.
3174 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
3176         * config/i386/gmon-sol2.c (_mcleanup): Change format string
3177         placeholder from 0x%x to %#x.
3178         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
3179         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
3180         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
3181         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
3182         * config/i386/i386.c (ix86_target_string): Ditto.
3183         (output_pic_addr_const): Ditto.
3184         (print_operand): Ditto.
3186 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
3188         * combine.c (find_split_point): Add third argument.  Use it
3189         to find nested multiply-accumulate instructions.  Adjust calls.
3190         (try_combine): Adjust call to find_split_point.
3192 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
3194         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
3196 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
3198         PR tree-optimization/41442
3199         * fold-const.c (merge_truthop_with_opposite_arm): New function.
3200         (fold_binary_loc): Call it.
3202 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3204         * toplev.c (general_init): Set default for fdiagnostics-show-option.
3205         * opts.c (common_handle_option): Allow disabling it.
3206         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
3208 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3210         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
3211         between modes if both types are integral.
3213 2010-04-23  Richard Guenther  <rguenther@suse.de>
3215         PR tree-optimization/43572
3216         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
3218 2010-04-23  Richard Guenther  <rguenther@suse.de>
3220         PR lto/43455
3221         * tree-inline.c (tree_can_inline_p): Also check compatibility
3222         of return types.
3224 2010-04-23  Martin Jambor  <mjambor@suse.cz>
3226         PR tree-optimization/43846
3227         * tree-sra.c (struct access): New flag grp_assignment_read.
3228         (build_accesses_from_assign): Set grp_assignment_read.
3229         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
3230         (enum mark_read_status): New type.
3231         (analyze_access_subtree): Propagate grp_assignment_read, create
3232         accesses also if both direct_read and root->grp_assignment_read.
3234 2010-04-23  Martin Jambor  <mjambor@suse.cz>
3236         PR middle-end/43835
3237         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
3238         function does not have type attributes.
3240 2010-04-23  Richard Guenther  <rguenther@suse.de>
3242         PR lto/42653
3243         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
3244         of FUNCTION_DECLs.
3246 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3248         * sese.h (create_if_region_on_edge): Remove.
3250         * sese.c (create_if_region_on_edge): Make static.
3252         * tree-inline.c: Do not include ggc.h.
3254         * expr.c: Do not include ggc.h.
3256         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
3257         dependencies.
3259 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3261         PR target/43744
3262         * config/sh/sh.c (find_barrier): Don't emit a constant pool
3263         in the middle of insns for casesi_worker_2.
3265 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
3267         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
3269 2010-04-22  Ira Rosen  <irar@il.ibm.com>
3271         PR tree-optimization/43842
3272         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
3273         loop unrolling in update of exit phis. Fix comment.
3274         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
3275         least two reduction statements in the loop before starting SLP
3276         analysis.
3278 2010-04-22  Nick Clifton  <nickc@redhat.com>
3280         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
3282 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
3284         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
3285         to simplify a + ~a.
3287 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3289         * tree-parloops.c (loop_parallel_p): New argument
3290         parloop_obstack.  Pass it down.
3291         (parallelize_loops): New variable parloop_obstack.  Initialize it,
3292         pass it down, free it.
3294         * tree-loop-linear.c (linear_transform_loops): Pass down
3295         lambda_obstack.
3297         * tree-data-ref.h (lambda_compute_access_matrices): New argument
3298         of type struct obstack *.
3300         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
3301         scratch_obstack.  Initialize it, pass down, free it.
3303         * lambda.h (lambda_loop_new): Remove.
3304         (lambda_matrix_new, lambda_matrix_inverse)
3305         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
3306         argument of type struct obstack *.
3308         * lambda-trans.c (lambda_trans_matrix_new): New argument
3309         lambda_obstack.  Pass it down, use obstack allocation for ret.
3310         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
3311         it down.
3313         * lambda-mat.c (lambda_matrix_get_column)
3314         (lambda_matrix_project_to_null): Remove.
3315         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
3316         allocation for mat.
3317         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
3318         lambda_obstack.
3320         * lambda-code.c (lambda_loop_new): New function.
3321         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
3322         (lambda_compute_auxillary_space, lambda_compute_target_space)
3323         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
3324         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
3325         (build_access_matrix): New argument lambda_obstack.  Use obstack
3326         allocation for am.
3327         (lambda_compute_step_signs, lambda_compute_access_matrices): New
3328         argument lambda_obstack.  Pass it down.
3330 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3332         * optabs.h (expand_widening_mult): Declare.
3334 2010-04-22  Richard Guenther  <rguenther@suse.de>
3336         PR tree-optimization/43845
3337         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3338         lookup the CALL_EXPR function and arguments.
3340 2010-04-22  Nick Clifton  <nickc@redhat.com>
3342         * config/stormy16/stormy16.c
3343         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3344         * config/stormy16/stormy16.h: Tidy up formatting.
3345         (DONT_USE_BUILTIN_SETJMP): Remove definition.
3346         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3347         (ineqbranchsi): Delete pattern.
3348         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3349         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3350         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3351         stormy16-lib2-ucmpsi2.c.
3353 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3355         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3356         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
3357         extra set merge_set_noclobber, and use it to relax the final test
3358         slightly.
3359         * df.h (df_simulate_find_noclobber_defs): Declare.
3360         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3361         conditional defs.
3362         (df_simulate_find_noclobber_defs): New function.
3364 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
3366         * config/i386/i386.md: Use {} around multi-line preparation statements.
3368 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3370         * c-tree.h (push_init_level, pop_init_level, set_init_index)
3371         (process_init_element): New argument of type struct obstack *.
3373         * c-typeck.c (push_init_level, pop_init_level, set_designator)
3374         (set_init_index, set_init_label, set_nonincremental_init)
3375         (set_nonincremental_init_from_string, find_init_member)
3376         (output_init_element, output_pending_init_elements)
3377         (process_init_element): New argument braced_init_obstack.  Pass it
3378         down.
3379         (push_range_stack, add_pending_init): New argument
3380         braced_init_obstack.  Use obstack allocation.
3382         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3383         braced_init_obstack.  Pass it down.
3384         (c_parser_braced_init): New variables ret, braced_init_obstack.
3385         Initialize obstack, pass it down and finally free it.
3387 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
3389         PR middle-end/29274
3390         * tree-pass.h (pass_optimize_widening_mul): Declare.
3391         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3392         gate_optimize_widening_mul): New static functions.
3393         (pass_optimize_widening_mul): New.
3394         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3395         <case MULT_EXPR>: Remove support for widening multiplies.
3396         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3397         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3398         simplify_gen_unary rather than directly building extensions.
3399         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3400         WIDEN_MULT_EXPR.
3401         * expmed.c (expand_widening_mult): New function.
3402         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3404 2010-04-21  Jan Hubicka  <jh@suse.cz>
3406         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3407         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3408         * lto-wpa-fixup.c: Remove.
3409         * Makefile.in (lto-wpa-fixup.o): Remove.
3410         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3411         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3412         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3414 2010-04-21  Jan Hubicka  <jh@suse.cz>
3416         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3417         add write_optimization_summary, read_optimization_summary.
3418         (ipa_write_summaries_of_cgraph_node_set): Remove.
3419         (ipa_write_optimization_summaries): Declare.
3420         (ipa_read_optimization_summaries): Declare.
3421         * ipa-cp.c (pass_ipa_cp): Update.
3422         * ipa-reference.c (pass_ipa_reference): Update.
3423         * ipa-pure-const.c (pass_ipa_pure_const): Update.
3424         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3425         Update.
3426         * ipa-inline.c (pass_ipa_inline): Update.
3427         * ipa.c (pass_ipa_whole_program): Update.
3428         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3429         * passes.c (ipa_write_summaries_1): Do not test wpa.
3430         (ipa_write_optimization_summaries_1): New.
3431         (ipa_write_optimization_summaries): New.
3432         (ipa_read_summaries): Do not test ltrans.
3433         (ipa_read_optimization_summaries_1): New.
3434         (ipa_read_optimization_summaries): New.
3436 2010-04-21  Jan Hubicka  <jh@suse.cz>
3438         * lto-cgraph.c (lto_output_node): Do not output comdat groups
3439         for boundary nodes.
3440         (output_cgraph): Do not arrange comdat groups for boundary nodes.
3442 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3444         PR debug/40040
3445         * dwarf2out.c (add_name_and_src_coords_attributes): Add
3446         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3448 2010-04-21  Jan Hubicka  <jh@suse.cz>
3450         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3452 2010-04-21  Jan Hubicka  <jh@suse.cz>
3454         * varpool.c (decide_is_variable_needed): Variable is always needed
3455         during ltrans.
3457 2010-04-21  Jan Hubicka  <jh@suse.cz>
3459         * opts.c (decode_options): Enable pure-const pass for whopr.
3461 2010-04-21  Jan Hubicka  <jh@suse.cz>
3463         * cgraph.c (dump_cgraph_node): Dump also assembler name.
3464         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3465         at WPA dumping.
3466         (cgraph_decide_inlining): Do not expect callee to be removed in all
3467         cases.
3469 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
3471         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3473 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3475         * config/i386/i386.md (x86_shrd): Add athlon_decode and
3476         amdfam10_decode attributes.
3478 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3480         PR middle-end/43570
3481         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3482         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3483         (lower_copyprivate_clauses): Use private var in outer
3484         context instead of original var.  Make sure the types
3485         are correct for VLAs.
3487 2010-04-21  Richard Guenther  <rguenther@suse.de>
3489         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3490         to non-pointer objects.
3492 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
3494         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
3495         last chain entry if it starts with the still current label.
3496         (add_location_or_const_value_attribute): Check that
3497         loc_list->first->next is NULL instead of comparing ->first with ->last.
3498         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3499         to add_var_loc_to_decl.
3501         * dwarf2out.c (output_call_frame_info): For dw_cie_version
3502         >= 4 add also address size and segment size fields into CIE header.
3504         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3505         long as address size is the same as sizeof (void *) and
3506         segment size is 0.
3507         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
3508         address size or segment size is unexpected, return DW_EH_PE_omit.
3509         (classify_object_over_fdes): If get_cie_encoding returned
3510         DW_EH_PE_omit, return -1.
3511         (init_object): If classify_object_over_fdes returned -1,
3512         pretend there were no FDEs at all.
3514 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
3516         * config/i386/i386.md (bswap<mode>2): Macroize expander from
3517         bswap{si,di}2 using SWI48 mode iterator.
3518         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3519         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
3520         set modrm attribute of bswap insn to 0 and remove length attribute.
3521         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3522         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
3523         set mode attribute to <MODE> and remove length attribute.
3525 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
3527         PR rtl-optimization/43520
3528         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3529         zero available registers.
3531 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3533         * builtins.c (fold_builtin_cproj): Fold more cases.
3535 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3537         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3538         (fold_builtin_1): Fold builtin cproj.
3539         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3540         Use ATTR_CONST_NOTHROW_LIST.
3542 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
3544         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3545         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
3546         ffsi2_no_cmove for !TARGET_CMOVE.
3547         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
3548         (ffssi2): Remove expander.
3549         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3550         mode iterator.
3551         (ctz<mode>2): Ditto from ctz{si,di}2.
3552         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3553         mode iterator.
3554         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3555         mode iterator.
3557 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3559         * dwarf2out.c (AT_linkage_name): Define.
3560         (clone_as_declaration): Handle DW_AT_linkage_name.
3561         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3562         of DW_AT_MIPS_linkage_name.
3563         (move_linkage_attr): Likewise.
3564         (dwarf2out_finish): Likewise.
3566 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
3568         PR middle-end/41952
3569         * fold-const.c (fold_comparison): New folding rule.
3571 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
3573         * double-int.h (double_int_setbit): Declare.
3574         * double-int.c (double_int_setbit): New function.
3575         * rtl.h (immed_double_int_const): Declare.
3576         * emit-rtl.c (immed_double_int_const): New function.
3577         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3578         and immed_double_int_const functions.
3579         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3580         expand_copysign_bit):  (Ditto.).
3581         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3582         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3583         * dojump.c (prefer_and_bit_test): (Ditto.).
3584         * expr.c (convert_modes, reduce_to_bit_field_precision,
3585         const_vector_from_tree): (Ditto.).
3586         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3588 2010-04-20  Jan Hubicka  <jh@suse.cz>
3590         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3591         (dump_cgraph_node): Dump new flags.
3592         * cgraph.h (struct cgraph_node): Add flags
3593         reachable_from_other_partition and in_other_partition.
3594         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3595         other partition can not be removed.
3596         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3597         the other partition must be output; silence sanity checking on
3598         leaking functions bodies from other paritition.
3599         * lto-cgraph.c (reachable_from_other_partition_p): New function.
3600         (lto_output_node): Output new flags; do not sanity check that inline
3601         clones are output; drop lto_forced_extern_inline_p code; do not mock
3602         visibility flags at partition boundaries.
3603         (add_node_to): New function.
3604         (output_cgraph): Use it to sort functions so masters appear before
3605         clones.
3606         (input_overwrite_node): Input new flags.
3607         * passes.c (ipa_write_summaries): Do not call
3608         lto_new_extern_inline_states.
3609         * lto-section-out.c (forced_extern_inline,
3610         lto_new_extern_inline_states lto_delete_extern_inline_states,
3611         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3612         * lto-streamer.h (lto_new_extern_inline_states,
3613         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3614         lto_forced_extern_inline_p): Kill.
3616 2010-04-20  Richard Guenther  <rguenther@suse.de>
3618         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3619         from vars that can have pointers.
3620         (process_constraint): Dump useless constraints.
3622 2010-04-20  Richard Guenther  <rguenther@suse.de>
3624         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3625         (dump_sa_points_to_info): Remove asserts.
3626         (init_base_vars): nothing_id isn't an escape point nor does it
3627         have pointers.
3629 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
3631         * tree.h (TYPE_REF_IS_RVALUE): Define.
3632         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3633         should_move_die_to_comdat, prune_unused_types_walk): Handle
3634         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3635         (modified_type_die, gen_reference_type_die): Emit
3636         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3637         if TYPE_REF_IS_RVALUE and -gdwarf-4.
3639 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3641         PR target/43635
3642         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3643         calls for -fpic -m31 if they have been sibcall optimized.
3645 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
3647         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3648         ar.lc fixed and call-used.
3650         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3652 2010-04-19  Jan Hubicka  <jh@suse.cz>
3654         * opts.c (decode_options): Disable whpr incompatible passes.
3655         * lto/lto.c (lto_1_to_1_map): Skip clones.
3656         (read_cgraph_and_symbols): Do not mark everything as needed.
3657         (do_whole_program_analysis): Do map only after optimizing;
3658         set proper cgraph_state; use passmanager.
3660 2010-04-19  DJ Delorie  <dj@redhat.com>
3662         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3663         POINTER_PLUS_EXPR and fix them.
3665 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
3667         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3668         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3669         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3670         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3671         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3672         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3673         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3674         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3675         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3676         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3677         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3679 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3681         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3682         (check_cond_move_block): Likewise.
3683         (cond_move_process_if_block): Likewise.
3684         (noce_find_if_block): Improve formatting.
3685         (find_if_header): Pass 0 to memset and tweak conditions.
3686         (cond_exec_find_if_block): Fix long lines and tweak conditions.
3688 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3690         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3691         for -gdwarf-4.
3693         PR middle-end/43337
3694         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3695         with non-local decl doesn't need chain.
3697 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
3699         * ira-color.c (allocno_reload_assign): Avoid accumulating
3700         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3702 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3704         * gimple.h (create_tmp_reg): Declare.
3705         * gimplify.c (create_tmp_reg): New function.
3706         (gimplify_return_expr): Use create_tmp_reg.
3707         (gimplify_omp_atomic): Likewise.
3708         (gimple_regimplify_operands): Likewise.
3709         * tree-dfa.c (make_rename_temp): Likewise.
3710         * tree-predcom.c (predcom_tmp_var): Likewise.
3711         (reassociate_to_the_same_stmt): Likewise.
3712         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3713         (get_replaced_param_substitute): Likewise.
3714         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3715         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3716         * tree-ssa-pre.c (get_representative_for): Likewise.
3717         (create_expression_by_pieces): Likewise.
3718         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3719         (create_tailcall_accumulator): Likewise.
3721 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3723         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3724         new_stmt.
3725         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3727 2010-04-19  Richard Guenther  <rguenther@suse.de>
3729         PR tree-optimization/43796
3730         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3731         from SCEV in the lattice.
3732         (vrp_visit_phi_node): Dump change.
3734 2010-04-19  Richard Guenther  <rguenther@suse.de>
3736         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3737         * configure: Re-generated.
3739 2010-04-19  Richard Guenther  <rguenther@suse.de>
3741         PR tree-optimization/43783
3742         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3743         constant ARRAY_REF operands two and three if possible.
3745 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
3747         PR target/43766
3748         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3750 2010-04-19  Jie Zhang  <jie@codesourcery.com>
3752         PR target/43662
3753         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3755 2010-04-19  Ira Rosen  <irar@il.ibm.com>
3757         PR tree-optimization/37027
3758         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3759         and macro to access it.
3760         (vectorizable_reduction): Add argument.
3761         (vect_get_slp_defs): Likewise.
3762         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3763         statements for possible use in SLP.
3764         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3765         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3766         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3767         add new argument.
3768         (vectorizable_reduction): Likewise.
3769         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3770         vect_get_slp_defs.
3771         (vectorizable_type_demotion, vectorizable_type_promotion,
3772         vectorizable_store): Likewise.
3773         (vect_analyze_stmt): Update call to vectorizable_reduction.
3774         (vect_transform_stmt): Likewise.
3775         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3776         (vect_build_slp_tree): Fix indentation. Check that there are no loads
3777         from different interleaving chains in same node.
3778         (vect_slp_rearrange_stmts): New function.
3779         (vect_supported_load_permutation_p): Allow load permutations for
3780         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3781         inside SLP nodes if necessary.
3782         (vect_analyze_slp_instance): Handle reductions.
3783         (vect_analyze_slp): Try to build SLP instances originating from groups
3784         of reductions.
3785         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3786         (vect_get_constant_vectors): Create initial vectors for reductions
3787         according to reduction code. Add new argument.
3788         (vect_get_slp_defs): Add new argument, pass it to
3789         vect_get_constant_vectors.
3790         (vect_schedule_slp_instance): Remove SLP tree root statements.
3792 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3794         * tree.h (ENUM_IS_SCOPED): Define.
3795         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3796         for ENUM_IS_SCOPED enums.
3798 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3800         * fold-const.c (fold_comparison): Use ssizetype.
3801         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3802         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3803         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3804         * tree-object-size.c (compute_object_sizes): Use size_type_node.
3806         * tree.h (initialize_sizetypes): Remove parameter.
3807         (build_common_tree_nodes): Remove second parameter.
3808         * stor-layout.c (initialize_sizetypes): Remove parameter.
3809         Always create an unsigned type.
3810         (set_sizetype): Assert that the passed type is unsigned and simplify.
3811         * tree.c (build_common_tree_nodes): Remove second parameter.
3812         Adjust call to initialize_sizetypes.
3813         * c-decl.c (c_init_decl_processing): Remove second argument in call to
3814         build_common_tree_nodes.
3816 2010-04-18  Matthias Klose  <doko@ubuntu.com>
3818         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3820 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3822         PR tree-optimization/43771
3823         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3824         load permutation doesn't have gaps.
3826 2010-04-18  Jan Hubicka  <jh@suse.cz>
3828         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3829         (sse_prologue_save_insn expander): Use new pattern.
3830         (sse_prologue_save_insn1): New pattern and splitter.
3831         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3832         blocks.
3833         * i386.c (setup_incoming_varargs_64): Do not compute jump
3834         destination here.
3835         (ix86_gimplify_va_arg): Update alignment needed.
3836         (ix86_local_alignment): Do not align all local arrays to 128bit.
3838 2010-04-17  Jan Hubicka  <jh@suse.cz>
3840         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3842 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3844         * arm.md (negdi2): Remove redundant code to force values into a
3845         register.
3847 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3849         * arm/bpabi.S: Add EABI alignment attributes to objects.
3850         * arm/bpabi-v6m.S: Likewise.
3851         * arm/crti.asm: Likewise.
3852         * arm/crtn.asm: Likewise.
3853         * arm/lib1funcs.asm: Likewise.
3854         * arm/libunwind.S: Likewise.
3856 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3858         * arm-protos.h (tune_params): New structure.
3859         * arm.c (current_tune): New variable.
3860         (arm_constant_limit): Delete.
3861         (struct processors): Add pointer to the tune parameters.
3862         (arm_slowmul_tune): New tuning option.
3863         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3864         (all_cores): Adjust to pick up the tuning model.
3865         (arm_constant_limit): New function.
3866         (arm_override_options): Select the appropriate tuning model.  Delete
3867         initialization of arm_const_limit.
3868         (arm_split_constant): Use the new constant-limit model.
3869         (arm_rtx_costs): Pick up the current tuning model.
3870         * arm.md (is_strongarm, is_xscale): Delete.
3871         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3872         for Xscale variant architectures.
3873         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3875 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3877         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3878         can_shift.
3879         (arm_rtx_costs_1): Remove unused variable extra_cost.
3880         (arm_unwind_emit_set): Use variable offset.
3881         (thumb1_output_casesi): Remove unused variable flags.
3883 2010-04-16  Jeff Law  <law@redhat.com>
3885         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3886         needing assignment rather than doing a two-phase assignment.  Remove
3887         unused variable 'm'.
3889 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3891         PR bootstrap/43767
3892         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3894 2010-04-16  Doug Kwan  <dougkwan@google.com>
3896         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3897         (next_operand_entry_id): New static variable.
3898         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3899         (add_to_ops_vec): Assigned unique ID to operand entry.
3900         (struct oecount_s): New field ID.
3901         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3902         (undistribute_ops_list): Assign unique IDs to oecounts.
3903         (init_reassoc): reset next_operand_entry_id.
3905 2010-04-16  Doug Kwan  <dougkwan@google.com>
3907         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3908         missing left parenthesis.
3910 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3912         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3913         *btdi_rex64 using SWI48 mode iterator.
3914         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3915         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3916         *jcc_btdi_mask_rex64.
3918 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3920         * double-int.h (tree_to_double_int): Convert to macro.
3921         * double-int.c (tree_to_double_int): Remove.
3923 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3925         PR debug/43762
3926         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3927         with want_address 2 and in case a single element list might be
3928         possible, call it again with want_address 0.
3930 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3932         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3933         case 'W' print operands for HI mode.
3934         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3935         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3936         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3937         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3939         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3941         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3942         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3943         #xx:3 and #xx:4 mode.
3945         * config/h8300/h8300.md (inverted load with HImode dest): Add
3946         support for H8300SX.
3948         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3949         satisfy 'U' constraint.
3951 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3953         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3954         * configure: Regenerate.
3955         * config.in: Regenerate.
3956         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3957         works.
3959 2010-04-16  Richard Guenther  <rguenther@suse.de>
3961         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3962         (struct tree_decl_common): ... here.
3963         (DECL_PT_UID): Adjust.
3964         (SET_DECL_PT_UID): Likewise.
3965         (DECL_PT_UID_SET_P): Likewise.
3967 2010-04-16  Richard Guenther  <rguenther@suse.de>
3969         PR tree-optimization/43572
3970         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3971         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3972         * tree-flow.h (is_call_clobbered): Remove.
3973         * tree-flow-inline.h (is_call_clobbered): Likewise.
3974         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3975         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3976         (execute_return_slot_opt): Adjust.
3977         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3978         check for call clobbered vars here.
3979         (find_tail_calls): Move tailcall verification to the
3980         proper place.
3982 2010-04-16  Diego Novillo  <dnovillo@google.com>
3984         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3986 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3988         PR target/40603
3989         * config/arm/arm.md (cbranchqi4): New pattern.
3990         * config/arm/predicates.md (const0_operand,
3991         cbranchqi4_comparison_operator): New predicates.
3993 2010-04-16  Richard Guenther  <rguenther@suse.de>
3995         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3996         (dump_gimple_stmt): Likewise.
3998 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
4000         * recog.h (struct recog_data): New field is_operator.
4001         (struct insn_operand_data): New field is_operator.
4002         * recog.c (extract_insn): Set recog_data.is_operator.
4003         * genoutput.c (output_operand_data): Emit code to set the
4004         is_operator field.
4005         * reload.c (find_reloads): Use it rather than testing for an
4006         empty constraint string.
4008         PR target/41514
4009         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
4010         If the previous insn is a cbranchsi4_insn with the same arguments,
4011         omit the compare instruction.
4013         * config/arm/arm.md (addsi3_cbranch): If destination is a high
4014         register, inputs must be low registers and we need a low register
4015         scratch.  Handle alternative 2 like alternative 3.
4017 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
4019         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
4020         don't call get_addr on both.  If one expression is a VALUE and
4021         the other a REG, check VALUE's locs if the REG isn't among them.
4023 2010-04-16  Christian Bruel  <christian.bruel@st.com>
4025         * config/sh/sh.h (sh_frame_pointer_required): New function.
4026         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
4027         (flag_omit_frame_pointer) Set.
4028         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
4029         (rounded_frame_size): Adjust size with outgoing_args_size.
4030         (sh_set_return_address): Must return from stack pointer.
4031         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
4032         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
4033         (ACCUMULATE_OUTGOING_ARGS): Define.
4034         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
4035         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
4037 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
4039         PR target/43471
4040         * config/sh/sh.c (sh_legitimize_reload_address): Use
4041         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
4042         Remove a unneeded check for offset_base.
4044 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
4046         * configure: Regenerated.
4048 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4050         * config/s390/s390.c (s390_call_save_register_used): Switch back
4051         to HARD_REGNO_NREGS.
4053 2010-04-15  Richard Guenther  <rguenther@suse.de>
4055         * alias.c (alias_set_subset_of): Handle alias-set zero
4056         child properly.
4058 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
4059             Julian Brown  <julian@codesourcery.com>
4061         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
4062         alternatives according to use of high and low regs.
4063         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
4064         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
4065         optimizing for size on Thumb-2.
4067 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
4069         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
4071 2010-04-15  Richard Guenther  <rguenther@suse.de>
4073         * tree-ssa-structalias.c (struct variable_info): Add
4074         is_fn_info flag.
4075         (new_var_info): Initialize it.
4076         (dump_constraints): Support printing last added constraints.
4077         (debug_constraints): Adjust.
4078         (dump_constraint_graph): Likewise.
4079         (make_heapvar_for): Check for NULL cfun.
4080         (get_function_part_constraint): New function.
4081         (get_fi_for_callee): Likewise.
4082         (find_func_aliases): Properly implement IPA PTA constraints.
4083         (process_ipa_clobber): New function.
4084         (find_func_clobbers): Likewise.
4085         (insert_into_field_list_sorted): Remove.
4086         (create_function_info_for): Properly allocate vars for IPA mode.
4087         Do not use insert_into_field_list_sorted.
4088         (create_variable_info_for): Properly generate constraints for
4089         global vars in IPA mode.
4090         (dump_solution_for_var): Always dump the solution.
4091         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
4092         (find_what_var_points_to): Adjust.
4093         (pt_solution_set): Change.
4094         (pt_solution_ior_into): New function.
4095         (pt_solution_empty_p): Export.
4096         (pt_solution_includes_global): Adjust.
4097         (pt_solution_includes_1): Likewise.
4098         (pt_solutions_intersect_1): Likewise.
4099         (dump_sa_points_to_info): Check some invariants.
4100         (solve_constraints): Move constraint dumping ...
4101         (compute_points_to_sets): ... here.
4102         (ipa_pta_execute): ... and here.
4103         (compute_may_aliases): Do not re-compute points-to info
4104         locally if IPA info is available.
4105         (ipa_escaped_pt): New global var.
4106         (ipa_pta_execute): Properly implement IPA PTA.
4107         * tree-into-ssa.c (dump_decl_set): Support dumping
4108         decls not in referenced-vars.
4109         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
4110         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
4111         (dump_points_to_solution): Likewise.
4112         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
4113         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
4114         (remap_gimple_stmt): Reset call clobber/use information if necessary.
4115         (copy_decl_to_var): Copy DECL_PT_UID.
4116         (copy_result_decl_to_var): Likewise.
4117         * tree.c (make_node_stat): Initialize DECL_PT_UID.
4118         (copy_node_stat): Copy it.
4119         * tree.h (DECL_PT_UID): New macro.
4120         (SET_DECL_PT_UID): Likewise.
4121         (DECL_PT_UID_SET_P): Likewise.
4122         (struct tree_decl_minimal): Add pt_uid member.
4123         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
4124         (pt_solution_empty_p): Declare.
4125         (pt_solution_set): Adjust.
4126         (ipa_escaped_pt): Declare.
4127         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
4128         * gimple-pretty-print.c (pp_points_to_solution): New function.
4129         (dump_gimple_call): Dump call clobber/use information.
4130         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
4131         * tree-pass.h (TDF_ALIAS): New dump option.
4132         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
4133         * doc/invoke.texi (-fipa-pta): Update documentation.
4135 2010-04-15  Richard Guenther  <rguenther@suse.de>
4137         * Makefile.in (OBJS-common): Add gimple-fold.o.
4138         (gimple-fold.o): New rule.
4139         * tree.h (maybe_fold_offset_to_reference,
4140         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
4141         prototypes ...
4142         * gimple.h: ... here.
4143         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
4144         may_propagate_address_into_dereference): Move prototypes ...
4145         * gimple.h: ... here.
4146         * tree-ssa-ccp.c (get_symbol_constant_value,
4147         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
4148         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
4149         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
4150         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
4151         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
4152         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
4153         gimplify_and_update_call_from_tree): Move ...
4154         * gimple-fold.c: ... here.  New file.
4155         (ccp_fold_builtin): Rename to ...
4156         (gimple_fold_builtin): ... this.
4157         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
4159 2010-04-15  Richard Guenther  <rguenther@suse.de>
4161         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
4162         fit_double_type, force_fit_type_double, add_double_with_sign,
4163         neg_double, mul_double_with_sign, lshift_double, rshift_double,
4164         lrotate_double, rrotate_double, div_and_round_double): Move ...
4165         * double-int.c: ... here.
4166         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
4167         add_double, neg_double, mul_double_with_sign, mul_double,
4168         lshift_double, rshift_double, lrotate_double, rrotate_double,
4169         div_and_round_double): Move prototypes ...
4170         * double-int.h: ... here.
4172 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
4174         PR target/43742
4175         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
4176         matching constraints to ensure inputs match the output.
4178 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
4180         PR target/43742
4181         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
4182         in an input-only operand.
4184 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
4186         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
4187         (double_int_not, double_int_lshift, double_int_rshift): Declare.
4188         (double_int_negative_p): Convert to static inline function.
4189         * double-int.c (double_int_lshift, double_int_lshift): New functions.
4190         (double_int_negative_p): Remove.
4191         * tree.h (lshift_double, rshift_double):
4192         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
4193         * fold-const.c (fold_convert_const_int_from_real,
4194         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
4195         (lshift_double): Change type of arith argument to bool.
4196         (rshift_double): Change type of arith argument to bool. Correct
4197         comment.
4198         * expmed.c (mask_rtx, lshift_value): (Ditto.).
4200 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
4202         PR target/21803
4203         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
4204         at the start and end of the then/else blocks, and omit them from the
4205         conversion.
4206         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
4207         argument; all callers changed.  Pass zero to old_insns_match_p instead.
4208         (flow_find_head_matching_sequence): New function.
4209         (old_insns_match_p): Check REG_EH_REGION notes for calls.
4210         * basic-block.h (flow_find_cross_jump,
4211         flow_find_head_matching_sequence): Declare functions.
4213 2010-04-14  Jason Merrill  <jason@redhat.com>
4215         PR c++/36625
4216         * c-common.c (attribute_takes_identifier_p): New fn.
4217         * c-common.h: Declare it.
4219 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4221         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
4222         splitter condition.
4223         (*udivmod<mode>4): Ditto.
4225 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4227         * config/i386/i386.md (maxmin_int): Rename code attribute from
4228         maxminiprefix and update all users.
4229         (maxmin_float): Ditto from maxminfprefix.
4230         (logic): Ditto from logicprefix.
4231         (absneg_mnemonic): Ditto from absnegprefix.
4232         * config/i386/mmx.md: Update all users of maxminiprefix,
4233         maxminfprefix and logicprefix for rename.
4234         * config/i386/sse.md: Ditto.
4235         * config/i386/sync.md (sync_<code><mode>): Update for
4236         logicprefix rename.
4238 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4240         PR 42966
4241         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
4242         warnings converted to errors.
4244 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4246         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
4247         used insn_type variable.
4248         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
4249         to avoid set-but-not-used warning.
4251 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4253         * df-core.c (df_ref_debug): Change format string placeholder
4254         from 0x%x to %#x.
4255         * dwarf2asm.c (dw2_asm_output_data_raw,
4256         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
4257         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
4258         * dwarf2out.c (output_cfi, output_cfi_directive,
4259         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
4260         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
4261         Ditto.
4262         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
4263         * print-rtl.c (print_rtx): Ditto.
4265 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
4267         PR middle-end/42694
4268         * builtins.c (expand_builtin_pow_root): New function to expand pow
4269         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
4270         series of sqrt and cbrt calls under -ffast-math.
4271         (expand_builtin_pow): Call it.
4273 2010-04-14  Michael Matz  <matz@suse.de>
4275         PR tree-optimization/42963
4276         * tree-cfg.c (touched_switch_bbs): New static variable.
4277         (group_case_labels_stmt): New function broken out from ...
4278         (group_case_labels): ... here, use the above.
4279         (start_recording_case_labels): Allocate touched_switch_bbs.
4280         (end_recording_case_labels): Deallocate it, call
4281         group_case_labels_stmt.
4282         (gimple_redirect_edge_and_branch): Remember index of affected BB.
4284 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4286         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
4287         from insn template.
4289 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
4291         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
4293 2010-04-13  Jan Hubicka  <jh@suse.cz>
4295         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
4296         of optimized out static functions.
4297         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
4298         cost computation.  Also sanity check for overflows.
4299         (update_caller_keys): Update cgraph_edge_badness call; properly
4300         update fibheap and sanity check that it is up to date.
4301         (add_new_edges_to_heap): Update cgraph_edge_badness.
4302         (cgraph_decide_inlining_of_small_function): Likewise;
4303         add sanity checking that badness in heap is up to date;
4304         improve dumping of reason; Update badness of calls to the
4305         offline copy of function currently inlined; dump badness
4306         of functions not inlined because of unit growth limits.
4308 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
4310         PR middle-end/32628
4311         * c-common.c (pointer_int_sum): Disregard overflow that occured only
4312         because of sign-extension change when converting to sizetype here...
4313         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
4315         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
4316         the folding to constants.  Remove redundant final conversion.
4317         (fold_binary) <associate>: Do not associate if the re-association of
4318         constants alone overflows.
4319         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
4320         to the end of the list.
4321         (multiple_of_p) <COND_EXPR>: New case.
4323 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4325         * opt-functions.awk (opt_sanitized_name): New.
4326         (opt_enum): New.
4327         * optc-gen.awk: Use it
4328         * opth-gen.awk: Use it.
4330 2010-04-13  Martin Jambor  <mjambor@suse.cz>
4332         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
4333         (sra_modify_assign): Delete stmts loading dead data even if racc has no
4334         children.  Call replace_uses_with_default_def_ssa_name to handle
4335         SSA_NAES on lhs.
4337 2010-04-13  Michael Matz  <matz@suse.de>
4339         PR middle-end/43730
4340         * builtins.c (expand_builtin_interclass_mathfn): Also create
4341         a register if the predicate doesn't match.
4343 2010-04-13  Diego Novillo  <dnovillo@google.com>
4345         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
4346         * c-pch.c: Include timevar.h.
4347         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
4348         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
4349         * ggc-common.c: Include timevar.h.
4350         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
4351         * timevar.def (TV_PCH_SAVE): Define.
4352         (TV_PCH_CPP_SAVE): Define.
4353         (TV_PCH_PTR_REALLOC): Define.
4354         (TV_PCH_PTR_SORT): Define.
4355         (TV_PCH_RESTORE): Define.
4356         (TV_PCH_CPP_RESTORE): Define.
4358 2010-04-13  Michael Matz  <matz@suse.de>
4360         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
4361         into MINUS_EXPRs.
4362         (can_reassociate_p): New function.
4363         (break_up_subtract_bb, reassociate_bb): Use it.
4365 2010-04-13  Richard Guenther  <rguenther@suse.de>
4367         PR bootstrap/43737
4368         * builtins.c (c_readstr): Fix assert.
4370 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
4372         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
4373         when generating cltd insn.
4375         (*ashl<mode>3_1): Remove special handling for register operand 2.
4376         (*ashlsi3_1_zext): Ditto.
4377         (*ashlhi3_1): Ditto.
4378         (*ashlhi3_1_lea): Ditto.
4379         (*ashlqi3_1): Ditto.
4380         (*ashlqi3_1_lea): Ditto.
4381         (*<shiftrt_insn><mode>3_1): Ditto.
4382         (*<shiftrt_insn>si3_1_zext): Ditto.
4383         (*<shiftrt_insn>qi3_1_slp): Ditto.
4384         (*<rotate_insn><mode>3_1): Ditto.
4385         (*<rotate_insn>si3_1_zext): Ditto.
4386         (*<rotate_insn>qi3_1_slp): Ditto.
4388 2010-04-13  Richard Guenther  <rguenther@suse.de>
4390         * tree-ssa-structalias.c (callused_id): Remove.
4391         (call_stmt_vars): New.
4392         (get_call_vi): Likewise.
4393         (lookup_call_use_vi): Likewise.
4394         (lookup_call_clobber_vi): Likewise.
4395         (get_call_use_vi): Likewise.
4396         (get_call_clobber_vi): Likewise.
4397         (make_transitive_closure_constraints): Likewise.
4398         (handle_const_call): Adjust to do per-call call-used handling.
4399         (handle_pure_call): Likewise.
4400         (find_what_var_points_to): Remove general callused handling.
4401         (init_base_vars): Likewise.
4402         (init_alias_vars): Initialize call_stmt_vars.
4403         (compute_points_to_sets): Process call-used and call-clobbered
4404         vars for call statements.
4405         (delete_points_to_sets): Free call_stmt_vars.
4407 2010-04-13  Richard Guenther  <rguenther@suse.de>
4409         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4410         Only add RW dependence for dependence distance zero.
4411         Adjust maximal vectorization factor according to dependences.
4412         Move alignment handling ...
4413         (vect_find_same_alignment_drs): ... here.  New function.
4414         (vect_analyze_data_ref_dependences): Adjust.
4415         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
4416         (vect_analyze_data_refs): Adjust minimal vectorization factor
4417         according to data references.
4418         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
4419         dependences before determining the vectorization factor.
4420         Analyze alignment after determining the vectorization factor.
4421         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
4422         dependences before alignment.
4423         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
4424         Adjust prototype.
4425         (vect_analyze_data_refs): Likewise.
4426         (MAX_VECTORIZATION_FACTOR): New define.
4428 2010-04-13  Duncan Sands  <baldrick@free.fr>
4430         * except.h (lang_eh_type_covers): Remove.
4431         * except.c (lang_eh_type_covers): Likewise.
4433 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4434             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4436         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
4437         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
4438         UNITS_PER_LONG where it is ABI relevant.
4439         (s390_return_addr_rtx): Likewise.
4440         (s390_back_chain_rtx): Likewise.
4441         (s390_frame_area): Likewise.
4442         (s390_frame_info): Likewise.
4443         (s390_initial_elimination_offset): Likewise.
4444         (save_gprs): Likewise.
4445         (s390_emit_prologue): Likewise.
4446         (s390_emit_epilogue): Likewise.
4447         (s390_function_arg_advance): Likewise.
4448         (s390_function_arg): Likewise.
4449         (s390_va_start): Likewise.
4450         (s390_gimplify_va_arg): Likewise.
4451         (s390_function_profiler): Likewise.
4452         (s390_optimize_prologue): Likewise.
4453         (s390_rtx_costs): Likewise.
4454         (s390_secondary_reload): Likewise.
4455         (s390_promote_function_mode): Likewise.
4456         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
4457         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
4458         registers available.
4459         (s390_unwind_word_mode): New function.
4460         (s390_function_value): Split 64 bit values into register pair if
4461         used as return value.
4462         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
4463         function call parameters.  Handle parallels.
4464         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
4465         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4466         (DWARF_CIE_DATA_ALIGNMENT): New macro.
4467         (s390_expand_setmem): Remove unused variable src_addr.
4468         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
4469         deal with 64 bit registers.
4470         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
4471         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
4472         (UNITS_PER_LONG): New macro.
4473         * libjava/include/s390-signal.h: Define extended ucontext
4474         structure containing the upper halfs of the 64 bit registers.
4476 2010-04-13  Simon Baldwin  <simonb@google.com>
4478         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
4480 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
4482         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
4483         rvalue on the RHS if the LHS is of a non-renamable type.
4484         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
4486 2010-04-13  Matthias Klose  <doko@ubuntu.com>
4488         * gcc.c (cc1_options): Handle -iplugindir before processing
4489         the cc1 spec. Only add -iplugindir once.
4490         (cpp_unique_options): Add -iplugindir option if -fplugin* options
4491         found.
4492         * common.opt (iplugindir): Remove `Separate' property, initialize.
4493         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
4494         option.
4495         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
4496         (distclean): Remove plugin dir.
4497         * doc/invoke.texi: Document -iplugindir.
4499 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
4501         * doc/plugins.texi (Loading Plugins): Document short
4502         -fplugin=foo option.
4503         (Plugin API): Mention default_plugin_dir_name function.
4505         * gcc.c (find_file_spec_function): Add new declaration.
4506         (static_spec_func): Use it for "find-file".
4507         (find_file_spec_function): Add new function.
4508         (cc1_options): Add -iplugindir option if -fplugin* options found.
4510         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
4512         * plugin.c (add_new_plugin): Updated comment, and handle short
4513         plugin name.
4514         (default_plugin_dir_name): Added new function.
4516         * common.opt (iplugindir): New option to set the plugin directory.
4518 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
4520         * config/i386/i386.md (any_rotate): New code iterator.
4521         (rotate_insn): New code attribute.
4522         (rotate): Ditto.
4523         (SWIM124): New mode iterator.
4524         (<rotate_insn>ti3): New expander.
4525         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
4526         any_rotate code iterator.
4527         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
4528         using any_rotate code iterator and SWIM124 mode iterator.
4529         (ix86_rotlti3): New insn_and_split pattern.
4530         (ix86_rotrti3): Ditto.
4531         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
4532         ix86_rotl{di,ti}3 patterns.
4533         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
4534         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
4535         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
4536         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
4537         code iterator and SWI mode iterator.
4538         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
4539         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
4540         code iterator.
4541         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
4542         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
4543         (bswap rotatert splitter): Add splitter.
4544         (bswap splitter): Macroize splitter using any_rotate code iterator.
4545         Add insn predicate to split only for TARGET_USE_XCHGB or when
4546         optimizing function for size.
4548 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
4550         * config/pa/pa.c (emit_move_sequence): Remove use of
4551         deleted variable flag_argument_noalias.
4553 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4555         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
4556         configurations.
4557         Add to unsupported targets list.
4558         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
4559         sparc*-sun-solaris2.[567]* from target lists.
4560         * configure: Regenerate.
4561         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
4562         removal.
4563         Remove Solaris 7 patch references.
4564         (Specific, sparc-sun-solaris2.7): Removed.
4565         (sparc-sun-solaris2*): Update Solaris 7 example.
4566         (sparc64-*-solaris2*): Likewise.
4568 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4570         * config.build (alpha*-dec-osf4*): Remove.
4571         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
4572         of obsolete configurations.
4573         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
4574         support.
4575         * config/alpha/t-osf4: Renamed to ...
4576         * config/alpha/t-osf5: ... this.
4577         * config/alpha/osf.h: Renamed to ...
4578         * config/alpha/osf5.h: ... this.
4579         Merged old osf5.h contents.
4580         Update comments.
4581         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
4582         (EXTRA_SPECS): Removed.
4583         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
4584         reflect removal of Tru64 UNIX V4.0/V5.0 support.
4585         Document that.
4587 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4589         * doc/contrib.texi (Contributors, Rainer Orth): Update.
4591 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
4593         PR/43702
4594         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
4595         __thiscall convention.
4597 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
4599         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
4600         orig_base.
4601         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
4603 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
4605         * function.c (assign_parms_initialize_all): Add unused attribute
4606         to fntype.
4608 2010-04-12  Richard Guenther  <rguenther@suse.de>
4610         * gsstruct.def (GSS_CALL): New.
4611         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
4612         * gimple.h: Include tree-ssa-alias.h.
4613         (struct gimple_statement_call): New.
4614         (union gimple_statement_struct_d): Add gimple_call member.
4615         (gimple_call_reset_alias_info): Declare.
4616         (gimple_call_use_set): New function.
4617         (gimple_call_clobber_set): Likewise.
4618         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
4619         * gimple.c (gimple_call_reset_alias_info): New function.
4620         (gimple_build_call_1): Call it.
4621         * lto-streamer-in.c (input_gimple_stmt): Likewise.
4622         * tree-inline.c (remap_gimple_stmt): Likewise.
4623         (expand_call_inline): Remove callused handling.
4624         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
4625         * tree-dfa.c (dump_variable): Likewise.
4626         * tree-parloops.c (parallelize_loops): Likewise.
4627         * tree-ssa.c (init_tree_ssa): Likewise.
4628         (delete_tree_ssa): Likewise.
4629         * tree-flow-inline.h (is_call_used): Remove.
4630         * tree-flow.h (struct gimple_df): Remove callused member.
4631         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
4632         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
4633         (ref_maybe_used_by_call_p_1): Simplify.
4634         (call_may_clobber_ref_p_1): Likewise.
4635         * tree-ssa-structalias.c (compute_points_to_sets): Set
4636         the call stmt used and clobbered sets.
4637         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
4638         (find_tail_calls): Verify the tail call.
4640 2010-04-12  Richard Guenther  <rguenther@suse.de>
4642         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
4643         single-iteration always-inline inlining.
4644         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
4645         (cgraph_decide_inlining): Do not handle always-inline specially.
4646         (try_inline): Remove always-inline cycle detection special case.
4647         Do not recurse on always-inlines.
4648         (cgraph_early_inlining): Do not iterate if not optimizing.
4649         (cgraph_gate_early_inlining): remove.
4650         (pass_early_inline): Run unconditionally.
4651         (gate_cgraph_decide_inlining): New function.
4652         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
4653         not inlining or optimizing.
4654         (cgraph_decide_inlining_of_small_functions): Also consider
4655         always-inline functions.
4656         (cgraph_default_inline_p): Return true for nodes which should
4657         disregard inline limits.
4658         (estimate_function_body_sizes): Assume zero size and time for
4659         nodes which are marked as disregarding inline limits.
4660         (cgraph_decide_recursive_inlining): Do not perform recursive
4661         inlining on always-inline nodes.
4663 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
4665         PR bootstrap/43699
4666         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
4667         for exprs satisfying handled_component_p.
4669 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4671         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
4672         non-constant aggregate elements.
4674         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
4675         is a real initialization.
4677 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
4679         PR c/36774
4680         * c-decl.c (start_function): Move forward check for nested function.
4682 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4684         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
4685         * config/sh/sh.c: Include reload.h.
4686         (sh_legitimize_reload_address): New.
4687         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
4688         sh_legitimize_reload_address.
4690 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
4692         * config/sh/sh.md (*movqi_pop): New insn pattern.
4693         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
4695 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
4697         * config/i386/i386.md (any_shiftrt): New code iterator.
4698         (shiftrt_insn): New code attribute.
4699         (shiftrt): Ditto.
4700         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
4701         using any_shiftrt code iterator.
4702         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
4703         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
4704         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
4705         pattern from corresponding peephole2 patterns.
4706         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
4707         using any_shiftrt code iterator.
4708         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
4709         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
4710         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
4711         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
4712         *{ashr,lshr}<mode>3_cmp_zext.
4713         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
4715 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
4717         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
4718         scratch register.
4719         (*lshr<mode>3_cconly): Ditto.
4721 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
4723         * config/i386/i386.md (lshr<mode>3): Macroize expander from
4724         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4725         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
4726         pattern from *lshr{di,ti}3_1 and corresponding splitters using
4727         DWI mode iterator.
4728         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4729         from corresponding peephole2 patterns.
4730         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
4731         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
4732         and *lshrdi3_1_rex64 using SWI mode iterator.
4733         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
4734         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
4735         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
4736         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
4737         and *lshrdi3_cmp_rex64 using SWI mode iterator.
4738         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
4739         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
4740         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
4741         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
4742         SWI mode iterator.
4744 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
4746         * config/i386/i386.md (ashr<mode>3): Macroize expander from
4747         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4748         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
4749         pattern from *ashr{di,ti}3_1 and corresponding splitters using
4750         DWI mode iterator.
4751         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4752         from corresponding peephole2 patterns.
4753         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
4754         (ashrsi3_cvt): Rename from ashrsi3_31.
4755         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
4756         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
4757         and x86_64_shift_adj_3 using SWI48 mode iterator.
4758         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
4759         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
4760         and *ashrdi3_1_rex64 using SWI mode iterator.
4761         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
4762         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
4763         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
4764         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
4765         and *ashrdi3_cmp_rex64 using SWI mode iterator.
4766         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
4767         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
4768         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
4769         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
4770         SWI mode iterator.
4771         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
4772         * config/i386/i386.c (ix86_split_ashr): Update for renamed
4773         x86_shift<mode>_adj_3 expanders.
4775 2010-04-10  Wei Guozhi  <carrot@google.com>
4777         PR target/42601
4778         * config/arm/arm.c (arm_pic_static_addr): New function.
4779         (legitimize_pic_address): Call arm_pic_static_addr when it detects
4780         a static symbol.
4781         (arm_output_addr_const_extra): Output expression for new pattern.
4782         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
4784 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
4786         * ira-costs.c (record_reg_classes): Ignore alternatives that are
4787         not enabled.
4789         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
4790         * web.c: Include "insn-config.h" and "recog.h".
4791         (union_match_dups): New function.
4792         (web_main): Call it.
4793         (union_defs): Don't try to recognize match_dups.
4795         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
4796         if doing so would replace the entire pattern.
4798 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
4800         PR target/43707
4801         PR target/43709
4802         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
4803         and splitter pattern.  Change splitter operand 1 predicate to
4804         nonmemory_operand.
4806 2010-04-09  Martin Jambor  <mjambor@suse.cz>
4808         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
4809         lattices are addresses of CONST_DECLs with the same initial value.
4810         (ipcp_print_all_lattices): Print values of CONST_DECLs.
4811         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
4813 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
4814             Bernd Schmidt  <bernds@codesourcery.com>
4816         * loop-invariant.c (replace_uses): New static function.
4817         (move_invariant_reg): Use it to ensure we can replace the uses.
4819 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
4821         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
4822         function template.
4823         (picochip_override_options): Enable section anchors only above -O1.
4824         (picochip_reorg): Fixed a couple of build warnings.
4826 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4828         * configure.ac (plugin -rdynamic test): Log result.
4829         * configure: Regenerate.
4830         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
4831         (RDYNAMIC_SPEC): Define.
4832         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
4834 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4836         * configure.ac: Determine Sun ld version numbers.
4837         (comdat_group): Restrict GNU ld version checks to gld.
4838         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
4839         (enable_comdat): Support --enable-comdat.
4840         * configure: Regenerate.
4841         * doc/install.texi (Configuration): Document --enable-comdat.
4843 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4845         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
4846         * config/sol2-gld.h: ... here.
4847         * config.gcc (sparc*-*-solaris2*): Reflect this.
4848         (i[34567]86-*-solaris2*): Use it.
4850 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
4852         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
4853         setup_clocks_p.
4854         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
4856 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4858         PR 42965
4859         * diagnostic.c (diagnostic_initialize): Initialize
4860         some_warnings_are_errors.
4861         (diagnostic_finish): New.
4862         (diagnostic_action_after_output): Call it before exiting.
4863         (diagnostic_report_diagnostic): Do not print message here. Set
4864         some_warnings_are_errors.
4865         * diagnostic.h (diagnostic_context): Delete
4866         issue_warnings_are_errors_message. Add some_warnings_are_errors.
4867         (diagnostic_finish): Declare.
4868         * toplev.c (toplev_main): Call it before exit.
4870 2010-04-09  Jason Merrill  <jason@redhat.com>
4872         PR c++/42623
4873         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
4874         for incomplete type.
4876         PR c++/41788
4877         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
4878         based on a warning flag.
4880 2010-04-09  Richard Guenther  <rguenther@suse.de>
4882         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
4884 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
4886         PR bootstrap/43684
4887         * varasm.c (default_assemble_visibility): Wrap vars that are
4888         set, but unused, by targets without GAS.
4889         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
4890         Remove set, but unused, vars.
4891         (rs6000_legitimize_tls_address): Likewise.
4892         (altivec_expand_dst_builtin): Likewise.
4893         * config/darwin.c (machopic_classify_symbol): Likewise.
4894         (machopic_indirection_name): Likewise.
4896 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
4898         * config/i386/i386.md (DWI): New mode iterator.
4899         (S): New mode attribute.
4900         (shift_operand): Ditto.
4901         (shift_immediate_operand): Ditto.
4902         (ashl_input_operand): Ditto.
4903         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
4904         using SDWIM mode iterator.
4905         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
4906         pattern from *ashl{di,ti}3_1 and corresponding splitters using
4907         DWI mode iterator.
4908         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
4909         from corresponding peephole2 patterns.
4910         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
4911         and x86_64_shift_adj_1 using SWI48 mode iterator.
4912         (x86_shift<mode>_adj_2): Ditto.
4913         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
4914         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
4915         using SWI48 mode iterator.
4916         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
4917         *ashldi3_cmp_rex64 using SWI mode iterator.
4918         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
4919         *ashldi3_cconly_rex64 using SWI mode iterator.
4920         * config/i386/i386.c (ix86_split_ashl): Update for renamed
4921         x86_shift<mode>_adj_{1,2}.
4922         (ix86_split_ashr): Ditto.
4923         (ix86_split_lshr): Ditto.
4925 2010-04-09  Richard Guenther  <rguenther@suse.de>
4927         * target.h (builtin_conversion): Pass in input and output types.
4928         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
4929         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
4930         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
4931         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
4933         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
4934         Handle AVX modes.
4935         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
4937 2010-04-09  Richard Guenther  <rguenther@suse.de>
4939         PR target/43152
4940         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
4942 2010-04-09  Richard Guenther  <rguenther@suse.de>
4944         * tree-vectorizer.h (struct _stmt_vec_info): Document
4945         that vectype is the type of the LHS.
4946         (supportable_widening_operation, supportable_narrowing_operation):
4947         Get both input and output vector types as arguments.
4948         (vect_is_simple_use_1): Declare.
4949         (get_same_sized_vectype): Likewise.
4950         * tree-vect-loop.c (vect_determine_vectorization_factor):
4951         Set STMT_VINFO_VECTYPE to the vector type of the def.
4952         (vectorizable_reduction): Adjust.
4953         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
4954         Adjust.  Specify the output vector type.
4955         (vect_pattern_recog_1): Adjust.
4956         * tree-vect-stmts.c (get_same_sized_vectype): New function.
4957         (vectorizable_call): Adjust.
4958         (vectorizable_conversion): Likewise.
4959         (vectorizable_operation): Likewise.
4960         (vectorizable_type_demotion): Likewise.
4961         (vectorizable_type_promotion): Likewise.
4962         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
4963         the def.
4964         (vect_is_simple_use_1): New function.
4965         (supportable_widening_operation): Get both input and output
4966         vector types.
4967         (supportable_narrowing_operation): Likewise.
4968         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
4970 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
4972         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
4973         __thiscall and _thiscall as predefined macros.
4974         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
4975         thiscall attribute handling.
4976         (ix86_comp_type_attributes): Likewise.
4977         (ix86_function_regparm): Likewise.
4978         (ix86_return_pops_args): Likewise.
4979         (init_cumulative_args): Likewise.
4980         (find_drap_reg): Likewise.
4981         (ix86_static_chain): Likewise.
4982         (x86_this_parameter): Likewise.
4983         (x86_output_mi_thunk): Likewise.
4984         (ix86_attribute_table): Add description for thiscall attribute.
4985         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
4986         * doc/extend.texi: Add documentation for thiscall.
4988 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4990         PR c++/28584
4991         * c.opt (Wint-to-pointer-cast): Available in C++.
4992         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
4994 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
4996         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
4997         * calls.c (expand_call): Pass the function type to aggregate_value_p.
4998         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
4999         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
5000         function type instead.  Reorder and simplify checks.
5002         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
5004 2010-04-08  Jing Yu  <jingyu@google.com>
5005             Zdenek Dvorak  <ook@ucw.cz>
5007         PR tree-optimization/42720
5008         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
5009         loop unswitch conditions here from ...
5010         (tree_unswitch_single_loop): ... here.
5012 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5014         * tree-if-conv.c: Fix comments and simplify logic.
5016 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5018         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
5019         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
5020         (main_tree_if_conversion): Update call to tree_if_conversion.
5022 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5024         PR 42485
5025         * doc/invoke.texi (-b,-V): Delete.
5026         * doc/tm.texi: Do not mention -b.
5027         * gcc.c (display_help): Delete -b and -V.
5028         (process_command): Delete -b and -V.
5029         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
5031 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
5032             Wolfgang Gellerich  <gellerich@de.ibm.com>
5034         Implement target hook for loop unrolling
5035         * target.h (loop_unroll_adjust): Add a new target hook function.
5036         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
5037         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
5038         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
5039         (s390_loop_unroll_adjust): Implement the new target hook for s390.
5040         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
5041         target hook.
5042         (decide_unroll_stupid): Likewise.
5044 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5046         PR target/43643
5047         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
5049 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5051         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
5052         (Specific, *-*-solaris2*): Likewise.
5053         Don't prefer Sun as over GNU as.
5055 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
5057         * config/s390/s390.c (override_options): Adjust the z10 defaults
5058         for max-unroll-times, max-completely-peeled-insns
5059         and max-completely-peel-times.
5061 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5063         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
5064         instructions for z10.
5065         (s390_expand_setmem): Likewise.
5066         (s390_expand_cmpmem): Likewise.
5068 2010-04-08  Richard Guenther  <rguenther@suse.de>
5070         PR tree-optimization/43679
5071         * tree-ssa-pre.c (eliminate): Only propagate copies.
5073 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
5075         PR bootstrap/43681
5076         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
5077         set but not used variable warning.
5079 2010-04-08  Wei Guozhi  <carrot@google.com>
5081         PR target/41653
5082         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
5083         (arm_size_rtx_costs): Call the new function when optimized for size.
5085 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
5087         PR debug/43670
5088         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
5089         op0 is not a MEM, just return NULL instead of assertion
5090         failure.
5091         (discover_nonconstant_array_refs): Don't walk debug stmts.
5093 2010-04-08  Doug Kwan  <dougkwan@google.com>
5095         * configure.ac: Recognize gold and do not use its version number
5096         to test ld features.
5097         * configure: Regenerate.
5099 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
5101         PR middle-end/40815
5102         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
5103         (negate_value): Move code to push elements to broken_up_substracts ...
5104         (eliminate_plus_minus_pair): ... here.  Push operands that have no
5105         negative pair to plus_negates.
5106         (repropagate_negates, init_reassoc, fini_reassoc): Update.
5108 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5110         * doc/install.texi (Configuration): Move description of
5111         --enable-lto, --with-libelf*, --enable-gold from Java section to
5112         general section.
5114         * doc/generic.texi (Working with declarations)
5115         (Function Properties, C and C++ Trees): Fix typos.
5116         * doc/sourcebuild.texi (Top Level): Likewise.
5118 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
5120         PR c/18624
5121         * tree.h (DECL_READ_P): Define.
5122         (struct tree_decl_common): Add decl_read_flag.
5123         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
5124         a set but not used warning.
5125         (merge_decls): Merge DECL_READ_P flag.
5126         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
5127         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
5128         * c-common.c (handle_used_attribute, handle_unused_attribute):
5129         Likewise.
5130         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
5131         New prototypes.
5132         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
5133         New functions.
5134         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
5135         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
5136         c_parser_binary_expression, c_parser_cast_expression,
5137         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
5138         Call default_function_array_read_conversion instead of
5139         default_function_array_conversion where needed.
5140         (c_parser_unary_expression, c_parser_conditional_expression,
5141         c_parser_postfix_expression_after_primary, c_parser_initelt):
5142         Likewise.  Call mark_exp_read where needed.
5143         (c_parser_statement_after_labels, c_parser_asm_operands,
5144         c_parser_typeof_specifier, c_parser_sizeof_expression,
5145         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
5146         where needed.
5147         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
5148         New.
5149         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
5150         (warn_unused_but_set_parameter): Default to warn_unused
5151         && extra_warnings.
5152         * doc/invoke.texi: Document -Wunused-but-set-variable and
5153         -Wunused-but-set-parameter.
5155         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
5156         used count variable.
5157         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
5158         when operandN variables aren't used in the body of the expander
5159         or splitter.
5160         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
5161         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
5162         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
5163         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
5164         FOR_EACH_IMM_USE_ON_STMT): Likewise.
5165         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
5166         * tree.c (PROCESS_ARG): Likewise.
5168 2010-04-07  Simon Baldwin  <simonb@google.com>
5170         * diagnostic.h (diagnostic_override_option_index): New macro to
5171         set a diagnostic's option_index.
5172         * c-tree.h (c_cpp_error): Add warning reason argument.
5173         * opts.c (_warning_as_error_callback): New.
5174         (register_warning_as_error_callback): Store callback for
5175         warnings enabled via enable_warning_as_error.
5176         (enable_warning_as_error): Call callback, minor code tidy.
5177         * opts.h (register_warning_as_error_callback): Declare.
5178         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
5179         response to -Werror=.
5180         (c_common_init_options): Register warning_as_error_callback in opts.c.
5181         * common.opt: Add -Wno-cpp option.
5182         * c-common.c (struct reason_option_codes_t): Map cpp warning
5183         reason codes to gcc option indexes.
5184         * (c_option_controlling_cpp_error): New function, lookup the gcc
5185         option index for a cpp warning reason code.
5186         * (c_cpp_error): Add warning reason argument, call
5187         c_option_controlling_cpp_error for diagnostic_override_option_index.
5188         * doc/invoke.texi: Document -Wno-cpp.
5190 2010-04-07  Richard Guenther  <rguenther@suse.de>
5192         * ipa-reference.c (mark_load): Use get_base_address.
5193         (mark_store): Likewise.
5195         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
5196         inserting GIMPLE_NOPs into the IL.
5197         * tree-ssa-structalias.c (get_constraint_for_component_ref):
5198         Explicitly strip handled components and indirect references.
5200         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
5201         folding address expressions.
5202         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
5203         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
5204         operand_equal_p to compare decls.
5205         (ptr_deref_may_alias_decl_p): Likewise.
5206         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
5207         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
5208         Handle reversed comparison ops.
5209         * tree-sra.c (asm_visit_addr): Use get_base_address.
5210         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
5211         * ipa-reference.c (mark_address): Use get_base_address.
5213 2010-04-07  Richard Guenther  <rguenther@suse.de>
5215         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
5216         Propagate constants everywhere.
5218 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
5220         PR debug/43516
5221         * tree.c (MAX_INT_CACHED_PREC): Define.
5222         (nonstandard_integer_type_cache): New array.
5223         (build_nonstandard_integer_type): Cache results for precision
5224         <= MAX_INT_CACHED_PREC.
5226 2010-04-07  Richard Guenther  <rguenther@suse.de>
5228         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
5229         -fargument-noalias-global, -fargument-noalias-anything): Remove.
5230         * common.opt: Likewise.
5231         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
5232         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
5233         (nonoverlapping_memrefs_p): Likewise.
5234         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5235         * opts.c (common_handle_option): Handle OPT_fargument_alias,
5236         OPT_fargument_noalias, OPT_fargument_noalias_anything and
5237         OPT_fargument_noalias_global for backward compatibility.
5239 2010-04-07  Richard Guenther  <rguenther@suse.de>
5241         PR tree-optimization/43270
5242         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
5243         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
5244         * tree-ssa-pre.c (phi_translate_1): Adjust.
5245         (fully_constant_expression): Split out vn_reference handling to ...
5246         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
5247         Fold reads from constant strings.
5248         (vn_reference_lookup): Handle fully constant references.
5249         (vn_reference_lookup_pieces): Likewise.
5250         * Makefile.in (expmed.o-warn): Add -Wno-error.
5252 2010-04-07  Martin Jambor  <mjambor@suse.cz>
5254         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
5256 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
5258         PR driver/41594
5259         * gcc.c: Add -static-libstdc++ to list of recognized options.
5261 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5263         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
5265 2010-04-07  Richard Guenther  <rguenther@suse.de>
5267         PR middle-end/42617
5268         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
5269         bases build simple mem attributes to retain points-to information.
5271 2010-04-07  Richard Guenther  <rguenther@suse.de>
5273         PR middle-end/42617
5274         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
5275         preserve points-to related information.
5277 2010-04-07  Richard Guenther  <rguenther@suse.de>
5279         PR middle-end/42617
5280         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
5281         discard plain indirect references.
5282         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
5283         * tree.c (tree_nop_conversion): Likewise.
5285 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
5287         PR debug/43628
5288         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
5290 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
5292         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
5293         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
5295 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5297         * tree-if-conv.c: Fix indentation and comments.
5299 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5301         * tree-if-conv.c: Sort static functions in topological order.
5303 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5305         * tree-if-conv.c: Fix indentation and comments.
5307 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5309         PR middle-end/43519
5310         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
5311         lang_hooks.types.type_for_size instead of
5312         build_nonstandard_integer_type.
5313         When converting an unsigned type to signed, double its precision.
5314         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
5315         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
5316         (graphite_create_new_loop_guard): When ub + 1 wraps around,
5317         use lb <= ub.
5319 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5321         PR middle-end/43519
5322         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
5323         POINTER_PLUS_EXPR for pointer types.
5325 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5327         PR middle-end/43519
5328         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
5329         * graphite-clast-to-gimple.c: Include langhooks.h.
5330         (max_signed_precision_type): New.
5331         (max_precision_type): Takes two types as arguments.
5332         (precision_for_value): New.
5333         (precision_for_interval): New.
5334         (gcc_type_for_interval): New.
5335         (gcc_type_for_value): New.
5336         (gcc_type_for_clast_term): New.
5337         (gcc_type_for_clast_red): New.
5338         (gcc_type_for_clast_bin): New.
5339         (gcc_type_for_clast_expr): Split up into several functions.
5340         (gcc_type_for_clast_eq): Rewritten.
5341         (compute_bounds_for_level): New.
5342         (compute_type_for_level_1): New.
5343         (compute_type_for_level): New.
5344         (gcc_type_for_cloog_iv): Removed.
5345         (gcc_type_for_iv_of_clast_loop): Rewritten.
5346         (graphite_create_new_loop): Compute the lower and upper bound types
5347         with gcc_type_for_clast_expr.
5348         (graphite_create_new_loop_guard): Same.
5349         (find_cloog_iv_in_expr): Removed.
5350         (compute_cloog_iv_types_1): Removed.
5351         (compute_cloog_iv_types): Removed.
5352         (gloog): Do not call compute_cloog_iv_types.
5353         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
5354         GBB_CLOOG_IV_TYPES.
5355         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
5356         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
5357         (GBB_CLOOG_IV_TYPES): Removed.
5359 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5361         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
5362         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
5363         (detect_commutative_reduction): Same.
5365 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5367         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
5368         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
5369         argument.
5370         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
5371         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
5372         (rewrite_commutative_reductions_out_of_ssa): Same.
5373         * passes.c (execute_function_todo): Call verify_ssa for every pass
5374         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
5375         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
5376         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
5377         with an extra argument.
5378         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
5379         verify_ssa only when the extra argument is true.
5380         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
5381         with an extra argument.
5382         (tree_transform_and_unroll_loop): Same.
5384 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
5386         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
5387         for all the passes of the LNO having LOOP_CLOSED_SSA.
5388         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
5389         * tree-loop-distribution.c (pass_loop_distribution): Same.
5390         * tree-pass.h (TODO_verify_loops): Removed.
5391         * tree-ssa-loop.c (pass_tree_loop_init): Same.
5392         (pass_lim): Same.
5393         (pass_tree_unswitch): Same.
5394         (pass_predcom): Same.
5395         (pass_vectorize): Same.
5396         (pass_linear_transform): Same.
5397         (pass_graphite_transforms): Same.
5398         (pass_iv_canon): Same.
5399         (pass_complete_unroll): Same.
5400         (pass_complete_unrolli): Same.
5401         (pass_parallelize_loops): Same.
5402         (pass_loop_prefetch): Same.
5403         (pass_iv_optimize): Same.
5405 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
5407         PR middle-end/32824
5408         * passes.c (init_optimization_passes): Move pass_lim before
5409         pass_copy_prop and pass_dce_loop.
5411 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
5413         PR target/43667
5414         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
5415         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
5416         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
5417         MULTI_* defines for 4 argument vpermil2p* builtins.
5419 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
5421         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
5422         * config/i386/i386.c (x86_maybe_negate_const_int): New.
5423         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
5424         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
5425         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
5426         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
5427         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
5428         Use x86_maybe_negate_const_int to output insn mnemonic.
5429         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
5430         check from instruction predicate.  Update comments.
5431         * config/i386/sync.md (sync_add<mode>): Use
5432         x86_maybe_negate_const_int to output insn mnemonic.
5434 2010-04-06  Jan Hubicka  <jh@suse.cz>
5436         PR tree-optimization/42906
5437         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
5438         IGNORE_SELF argument.  Set visited_control_parents for fully
5439         processed BBs.
5440         (find_obviously_necessary_stmts): Update call of
5441         mark_control_dependent_edges_necessary.
5442         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
5444 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
5446         * config/i386/i386.md: Remove comment about 'e' and 'E'
5447         operand modifier.
5449 2010-04-06  Richard Guenther  <rguenther@suse.de>
5451         PR tree-optimization/43627
5452         * tree-vrp.c (extract_range_from_unary_expr): Widenings
5453         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
5454         not varying.
5456 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
5458         * BASE-VER: Change to 4.6.0.
5460         PR target/43638
5461         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
5462         handling.
5464 2010-04-06  Richard Guenther  <rguenther@suse.de>
5466         PR middle-end/43661
5467         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
5469 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5471         * doc/invoke.texi (Optimize Options): Document that LTO
5472         won't remove object access purely due to incompatible
5473         declarations.
5475 2010-04-04  Matthias Klose  <doko@ubuntu.com>
5477         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
5478         Initialize variable.
5480 2010-04-03  Richard Guenther  <rguenther@suse.de>
5482         PR middle-end/42509
5483         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
5484         require a non-NULL MEM_OFFSET.
5486 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
5488         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
5489         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
5490         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
5491         config/alpha/predicates.md, config/arm/arm.md,
5492         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
5493         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
5494         config/darwin9.h, config/darwin.c, config/darwin.h,
5495         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
5496         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
5497         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
5498         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
5499         config/mips/mips.md, config/mn10300/mn10300.c,
5500         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
5501         config/rs6000/aix.h, config/rs6000/dfp.md,
5502         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
5503         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
5504         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
5505         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
5506         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
5507         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
5508         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
5509         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
5510         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
5511         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
5512         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
5513         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
5514         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
5515         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
5516         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
5517         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
5518         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
5519         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
5520         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
5521         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
5522         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
5523         opt-functions.awk, opth-gen.awk, params.def, passes.c,
5524         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
5525         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
5526         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
5527         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
5528         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
5529         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
5530         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
5531         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
5532         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
5533         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
5534         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
5535         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
5536         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
5537         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
5539 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5541         PR other/43620
5542         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
5543         * aclocal.m4: Regenerate.
5545 2010-04-02  Richard Guenther  <rguenther@suse.de>
5547         PR tree-optimization/43629
5548         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
5549         if we have seen a constant value.
5551 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
5553         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
5555 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
5557         PR target/43469
5558         * arm.c (legitimize_tls_address): Adjust call to
5559         gen_tls_load_dot_plus_four.
5560         (arm_note_pic_base): New function.
5561         (arm_cannot_copy_insn_p): Use it.
5562         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
5563         constraint.
5565 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5567         PR bootstrap/43531
5569         Revert:
5570         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5572         * Makefile.in ($(out_object_file)): Depend on
5573         gt-$(basename $(notdir $(out_file))).h.
5575 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
5577         * config.gcc (lm32-*-rtems*): Add t-lm32.
5579 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
5581         * config.gcc: Add lm32-*-rtems*.
5582         * config/lm32/rtems.h: New file.
5584 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
5586         PR target/42609
5587         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
5589 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
5591         * dwarf2out.c (output_compilation_unit_header): For
5592         -gdwarf-4 use version 4 instead of version 3.
5593         (output_line_info): For version 4 and above emit additional
5594         maximum ops per insn header field.
5595         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
5597         * dwarf2out.c (is_c_family, is_java): Remove.
5598         (lower_bound_default): New function.
5599         (add_bound_info, gen_descr_array_type_die): Use it.
5601 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
5603         PR debug/43325
5604         * dwarf2out.c (gen_variable_die): Allow debug info for variable
5605         re-declaration when it happens in a function.
5607 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
5609         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
5610         (cgraph_remove_function_insertion_hook): Same.
5611         (cgraph_call_function_insertion_hooks): Same.
5613 2010-04-01  Richard Guenther  <rguenther@suse.de>
5615         PR middle-end/43614
5616         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
5617         and TREE_THIS_VOLATILE.
5618         (copy_ref_info): Likewise.
5619         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
5620         * tree.c (build6_stat): Ignore side-effects of all but arg5
5621         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
5622         TARGET_MEM_REF.
5624 2010-04-01  Richard Guenther  <rguenther@suse.de>
5626         PR tree-optimization/43607
5627         * ipa-type-escape.c (check_call): Do not access non-existing
5628         arguments.
5630 2010-04-01  Richard Guenther  <rguenther@suse.de>
5632         PR middle-end/43602
5633         Revert
5634         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
5635                     Jack Howarth <howarth@bromo.med.uc.edu>
5637         * tree-profile.c (tree_init_ic_make_global_vars): Make static
5638         variables TLS.
5640 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5642         * doc/install.texi (Prerequisites): Document libelf usability on
5643         IRIX 5/6 and Solaris 2.
5644         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
5645         Update GNU as, GNU ld requirements.
5646         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
5647         Document Sun Studio compiler download.
5648         Update and simplify as, ld recommendations.
5649         (Specific, *-*-solaris2.7): Note obsoletion, removal.
5651 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5653         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
5654         with_tune_32 to pentium4.
5656 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
5658         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
5660 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5662         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
5663         obsoletion, removal.
5664         Update IDO URL.
5665         Document GNU as requirement.
5666         Update configure requirements.
5667         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
5668         Recomment IRIX 6.5.18+.
5669         Document IDF/IDL requirement.
5670         Document GNU as requirement.
5671         Document GNU ld bootstrap failure.
5672         Remove freeware.sgi.com reference.
5674 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5676         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
5677         UNIX V4.0, V5.0 obsoletion, removal.
5678         Remove --with-gc=simple reference.
5679         Update VM requirements during bootstrap.
5680         Remove -oldas bootstrap description.
5681         Update binutils reference.
5682         Remove comparison failure note.
5684 2010-03-31  Richard Guenther  <rguenther@suse.de>
5685             Zdenek Dvorak  <ook@ucw.cz>
5686             Sebastian Pop  <sebastian.pop@amd.com>
5688         PR middle-end/43464
5689         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
5690         with multiple arguments.
5691         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
5693 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
5695         * graphite-dependences.c (print_pddr): Call print_pdr with an
5696         extra argument.
5697         * graphite-poly.c (debug_pdr): Add an extra argument for the
5698         verbosity level.
5699         (print_pdr): Same.
5700         (print_pbb_domain): Same.
5701         (print_pbb): Same.
5702         (print_scop_context): Same.
5703         (print_scop): Same.
5704         (print_cloog): Same.
5705         (debug_pbb_domain): Same.
5706         (debug_pbb): Same.
5707         (print_pdrs): Same.
5708         (debug_pdrs): Same.
5709         (debug_scop_context): Same.
5710         (debug_scop): Same.
5711         (debug_cloog): Same.
5712         (print_scop_params): Same.
5713         (debug_scop_params): Same.
5714         (print_iteration_domain): Same.
5715         (print_iteration_domains): Same.
5716         (debug_iteration_domain): Same.
5717         (debug_iteration_domains): Same.
5718         (print_scattering_function): Same.
5719         (print_scattering_functions): Same.
5720         (debug_scattering_function): Same.
5721         (debug_scattering_functions): Same.
5722         * graphite-poly.h (debug_pdr): Update declaration.
5723         (print_pdr): Same.
5724         (print_pbb_domain): Same.
5725         (print_pbb): Same.
5726         (print_scop_context): Same.
5727         (print_scop): Same.
5728         (print_cloog): Same.
5729         (debug_pbb_domain): Same.
5730         (debug_pbb): Same.
5731         (print_pdrs): Same.
5732         (debug_pdrs): Same.
5733         (debug_scop_context): Same.
5734         (debug_scop): Same.
5735         (debug_cloog): Same.
5736         (print_scop_params): Same.
5737         (debug_scop_params): Same.
5738         (print_iteration_domain): Same.
5739         (print_iteration_domains): Same.
5740         (debug_iteration_domain): Same.
5741         (debug_iteration_domains): Same.
5742         (print_scattering_function): Same.
5743         (print_scattering_functions): Same.
5744         (debug_scattering_function): Same.
5745         (debug_scattering_functions): Same.
5747 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
5749         * graphite-poly.c (print_scattering_function_1): New.
5750         (print_scattering_function): Call it.
5751         (print_scop_params): Remove spaces at the end of lines.
5752         (print_cloog): New.
5753         (debug_cloog): New.
5754         * graphite-poly.h (print_cloog): Declared.
5755         (debug_cloog): Declared.
5757 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
5759         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
5760         in loop->header.
5761         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
5762         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
5763         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
5764         to switch between adding the IV bump in loop->latch or in loop->header.
5766 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
5768         * graphite-poly.c (print_scattering_function): Pretty print following
5769         the scoplib format.
5770         (print_pdr): Same.
5771         (print_pbb_domain): Same.
5772         (dump_gbb_cases): Same.
5773         (dump_gbb_conditions): Same.
5774         (print_pdrs): Same.
5775         (print_pbb): Same.
5776         (print_scop_params): Same.
5777         (print_scop_context): Same.
5778         (print_scop): Same.
5779         (print_pbb_body): New.
5780         (lst_indent_to): New.
5781         (print_lst): Start new lines with a #.
5782         * graphite-poly.h (pbb_bb): New.
5783         (pbb_index): Use pbb_bb.
5784         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
5785         disjuncts.
5786         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
5788 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
5790         * dwarf2out.c (size_of_die): For -gdwarf-4 use
5791         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
5792         and 0 instead of 1 for dw_val_class_flag.
5793         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
5794         dw_val_class_range_list, dw_val_class_loc_list,
5795         dw_val_class_lineptr and dw_val_class_macptr, use
5796         DW_FORM_flag_present for dw_val_class_flag and
5797         DW_FORM_exprloc for dw_val_class_loc.
5798         (output_die): For -gdwarf-4 print dw_val_class_loc
5799         size as uleb128 instead of 1 or 2 bytes and don't print
5800         anything for dw_val_class_flag.
5802         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
5803         instead of cselib_lookup following by tweaking locs->setting_insn.
5805         PR bootstrap/43596
5806         * cselib.c (cselib_process_insn): Clear cselib_current_insn
5807         even before returning from label, setjmp call or volatile asm
5808         handling.
5810 2010-03-31  Richard Guenther  <rguenther@suse.de>
5812         PR middle-end/43600
5813         * cgraphunit.c (cgraph_output_in_order): Do not allocate
5814         temporary data on stack.
5816 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5818         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
5819         (PUSHSECTION_ASM_OP): Remove.
5820         (POPSECTION_ASM_OP): Remove.
5821         (PUSHSECTION_FORMAT): Remove.
5822         * config/sol2.h (PUSHSECTION_FORMAT): Define.
5823         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
5824         * config/sol2.c (solaris_output_init_fini): Use it.
5826 2010-03-31  Jie Zhang  <jie@codesourcery.com>
5828         PR 43574
5829         * opt-functions.awk (var_type_struct): Use signed char type
5830         for simple variables.
5832 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5834         * config/sol2.c: Include output.h.
5835         (solaris_assemble_visibility): New function.
5836         * config/t-sol2 (sol2.o): Add output.h dependency.
5837         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
5838         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
5839         Redefine.
5841 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
5843         PR target/43580
5844         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
5845         V2SImode or XFmode on PRE_DEC.
5847         PR debug/43557
5848         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
5849         BLKmode.
5851 2010-03-31  Jie Zhang  <jie@codesourcery.com>
5853         PR 43562
5854         * reload.h (caller_save_initialized_p): Declare.
5855         * toplev.c (backend_init_target): Don't call
5856         init_caller_save but set caller_save_initialized_p to false.
5857         * caller-save.c (caller_save_initialized_p): Define.
5858         (init_caller_save): Check caller_save_initialized_p.
5859         * ira.c (ira): Call init_caller_save if flag_caller_saves.
5861 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5863         PR target/39048
5864         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
5865         and soft-fp/t-softfp to tmake_file.
5866         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
5867         (LIBGCC2_TF_CEXT): Define.
5868         (TF_SIZE): Define.
5870 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
5872         PR debug/42977
5873         * cselib.c (n_useless_values): Document handling of debug locs.
5874         (n_useless_debug_values, n_debug_values): New variables.
5875         (new_elt_loc_list): Don't add to debug values, keep count.
5876         (promote_debug_loc): New.
5877         (cselib_reset_table): Zero new variables.
5878         (entry_and_rtx_equal_p): Promote debug locs.
5879         (discard_useless_locs): Increment n_useless_debug_values for
5880         debug values.
5881         (remove_useless_values): Adjust n_useless_values and n_debug_values
5882         with n_useless_debug_values.
5883         (add_mem_for_addr): Promote debug locs.
5884         (cselib_lookup_mem): Likewise.
5885         (cselib_lookup_addr): Renamed to...
5886         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
5887         (cselib_log_lookup): ... this.  Turn into...
5888         (cselib_lookup_addr): ... new wrapper.
5889         (cselib_lookup_from_insn): New.
5890         (cselib_invalidate_regno): Increment n_useless_debug_values for
5891         debug values.
5892         (cselib_invalidate_mem): Likewise.
5893         (cselib_process_insn): Take n_deleted and n_debug_values into
5894         account to guard remove_useless_value call.
5895         (cselib_finish): Zero n_useless_debug_values.
5896         * cselib.h (cselib_lookup_from_insn): Declare.
5897         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
5898         (sched_analyze_2): Likewise.
5900 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
5902         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
5903         functions.
5904         (adjust_mems): Replace narrowing SUBREG of expression containing
5905         just PLUS, MINUS, MULT and ASHIFT of registers and constants
5906         with operations in the narrower mode.
5908         PR debug/43593
5909         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
5910         regs_invalidated_by_call instead all call_used_reg_set registers.
5912 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
5914         PR middle-end/43430
5915         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
5916         pointer comparisons with types_compatible_p.
5917         * tree-vect-stmts.c (vectorizable_call): Same.
5918         (vectorizable_condition): Same.
5920 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5922         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
5923         stack check if the mask would be zero.
5925 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
5926             Jack Howarth <howarth@bromo.med.uc.edu>
5928         * tree-profile.c (tree_init_ic_make_global_vars): Make static
5929         variables TLS.
5931 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
5933         PR other/25232
5934         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
5935         and __unordtf2.
5936         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
5937         Include ___unordxf2 and ___unordtf2.
5938         * config/i386/libgcc-glibc.ver: Do not define inheritance from
5939         GCC_4.4.0 here.
5941 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
5943         * config/lm32/t-lm32: New file.
5944         * config.gcc: Use the above file when targetting lm32.
5946 2010-03-28  Duncan Sands  <baldrick@free.fr>
5948         * Makefile.in (PLUGIN_HEADERS): Add except.h.
5950 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
5952         PR middle-end/43431
5953         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
5954         Improve vectorization cost model diagnostic.
5956 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
5958         PR middle-end/43436
5959         * tree-vect-data-refs.c (vect_analyze_data_refs): When
5960         compute_data_dependences_for_loop returns false, early exit
5961         and output an extra diagnostic for the failed data reference
5962         analysis.
5964 2010-03-29  Richard Guenther  <rguenther@suse.de>
5966         PR tree-optimization/43560
5967         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
5968         (can_sm_ref_p): Treat stores to readonly locations as trapping.
5970 2010-03-29  Jie Zhang  <jie@codesourcery.com>
5972         PR 43564
5973         * toplev.c (process_options): Set optimization_default_node
5974         and optimization_current_node.
5975         * opts.c (decode_options): Don't set optimization_default_node
5976         and optimization_current_node.
5978 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
5980         * config/rtems.h: Abandon -qrtems_debug.
5982 2010-03-28  Jan Hubicka  <jh@suse.cz>
5984         PR tree-optimization/43505
5985         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
5986         map should not be copied.
5988 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5990         PR middle-end/41674
5991         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
5992         cdtors, set DECL_PRESERVE_P.
5993         * ipa.c (cgraph_externally_visible_p): Return true if declaration
5994         should be preseved.
5996 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
5998         PR tree-optimization/43528
5999         * stor-layout.c (place_field): Check that constant fits into
6000         unsigned HWI when skipping calculation of MS bitfield layout.
6002 2010-03-27  Jan Hubicka  <jh@suse.cz>
6004         PR middle-end/43391
6005         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
6006         notice_global_symbol work.
6008 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
6010         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
6011         instead of dwarf2out_decl.
6012         (struct var_loc_node): Remove section_label field.
6013         (dwarf2out_function_decl): New function.
6014         (dwarf2out_var_location): Don't set section_label field.
6015         (dwarf2out_begin_function): Don't empty decl_loc_table here.
6017 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
6019         PR tree-optimization/43544
6020         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6021         First argument for builtin vectorized function hook is now a
6022         tree to be able to distinguish between machine specific and
6023         standard builtins.
6024         * targhooks.c (default_builtin_vectorized_function): Ditto.
6025         * targhooks.h (default_builtin_vectorized_function): Ditto.
6026         * target.h (struct gcc_target): Ditto.
6027         * tree-vect-stmts.c (vectorizable_function): Ditto.
6028         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
6029         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
6030         Ditto.
6032 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
6034         PR c/43381
6035         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
6036         nested binding iff it is a FUNCTION_DECL.
6037         (store_parm_decls_newstyle): Pass nested=true to bind for
6038         FUNCTION_DECLs amongst parameters.
6040 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
6042         * var-tracking.c (vt_expand_loc_callback): Don't run
6043         cselib_expand_value_rtx_cb in dummy mode if
6044         cselib_dummy_expand_value_rtx_cb returned false.
6046         * var-tracking.c (emit_note_insn_var_location): For one part
6047         notes with offset 0, don't add EXPR_LIST around the location.
6048         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
6049         add_location_or_const_value_attribute): Adjust for that change.
6051         PR debug/43540
6052         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
6053         into first operand and location into second.
6054         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
6055         dw_cfi_oprnd_loc for DW_CFA_expression.
6056         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
6057         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
6058         assume first argument is regnum and second argument is location.
6060 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
6062         PR target/42113
6063         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
6064         of scratch register to DImode.  Split to DImode comparison operator.
6065         Use SImode subreg of scratch register in the multiplication.
6066         (*cmp_sadd_sidi): Ditto.
6067         (*cmp_ssub_si): Ditto.
6068         (*cmp_ssub_sidi): Ditto.
6070 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
6072         PR target/43524
6073         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
6074         Remove invalid assert and wrong comment.
6076 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
6078         PR debug/43516
6079         * flags.h (final_insns_dump_p): New extern.
6080         * final.c (final_insns_dump_p): New variable.
6081         (rest_of_clean_state): Set it before -fdump-final-insns=
6082         dumping, clear afterwards.
6083         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
6084         MEM_ALIAS_SET on MEMs.
6086 2010-03-26  David S. Miller  <davem@davemloft.net>
6088         * configure.ac: Fix sparc GOTDATA_OP bug check.
6089         * configure: Rebuild.
6091 2010-03-26  Alan Modra  <amodra@gmail.com>
6093         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
6095 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6097         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
6098         TLS_SECTION_ASM_FLAG.
6100 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
6102         PR bootstrap/43511
6103         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
6104         Clear first_function_block_is_cold.
6106         PR c/43385
6107         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
6108         argument if the argument is truth_value_p.
6110 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
6112         * config/rs6000/constraints.md: Update copyright year for my changes.
6114         PR target/43484
6115         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
6116         used in reg+reg addressing, swap registers.
6118 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
6120         PR debug/43293
6121         * target.h (struct gcc_target): Add code_end hook.
6122         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
6123         if not yet defined.
6124         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
6125         * toplev.c (compile_file): Call targetm.asm_out.code_end
6126         hook before unwind info/debug info output.
6127         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
6128         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
6129         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
6130         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
6131         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
6132         * config/i386/i386.c (ix86_file_end): Renamed to...
6133         (ix86_code_end): ... this.  Make static.  Don't call
6134         file_end_indicate_exec_stack.  Emit unwind info using
6135         final_start_function/final_end_function.
6136         (darwin_x86_file_end): Remove.
6137         (TARGET_ASM_CODE_END): Define.
6138         * config/i386/i386.h (TARGET_ASM_FILE_END,
6139         NEED_INDICATE_EXEC_STACK): Don't define.
6140         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
6141         (TARGET_ASM_FILE_END): Define to darwin_file_end.
6142         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
6143         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
6145         PR target/43498
6146         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
6147         at the beginning and final_end_function at the end.
6148         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
6150 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6152         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
6153         and Sun as TLS syntax.
6154         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
6155         * configure: Regenerate.
6156         * config.in: Regenerate.
6157         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
6158         (default_elf_asm_named_section): Use it.
6159         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
6160         (i386_output_dwarf_dtprel): Likewise.
6161         (output_addr_const_extra): Likewise.
6162         (output_pic_addr_const): Lowercase @GOTTPOFF.
6163         (output_addr_const_extra): Likewise.
6164         (output_pic_addr_const): Lowercase @GOTNTPOFF.
6165         (output_addr_const_extra): Likewise.
6166         (output_pic_addr_const): Lowercase @INDNTPOFF.
6167         (output_addr_const_extra): Likewise.
6168         (output_pic_addr_const): Lowercase @NTPOFF.
6169         (output_addr_const_extra): Likewise.
6170         (output_pic_addr_const): Lowercase @TPOFF.
6171         (output_addr_const_extra): Likewise.
6172         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
6173         (*tls_global_dynamic_64): Likewise.
6174         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
6175         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
6177         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
6178         (ASM_OUTPUT_TLS_COMMON): Use it.
6179         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
6181         PR target/38118
6182         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
6183         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
6184         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
6185         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
6186         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
6187         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
6189 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6191         * config/i386/i386.c (override_options): Don't accept
6192         -mtls-dialect=sun any longer.
6193         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
6194         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
6195         (*tls_local_dynamic_base_32_sun): Likewise.
6196         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
6198 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
6200         PR debug/43508
6201         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6202         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
6204         PR debug/43479
6205         * ira.c (adjust_cleared_regs): New function.
6206         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
6208         PR debug/19192
6209         PR debug/43479
6210         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
6211         from gimple_block.
6212         * expr.c (expand_expr_real): Restore previous
6213         curr_insn_source_location and curr_insn_block after
6214         expand_expr_real_1 call.
6215         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
6216         instead of expand_expr_real_1.
6218 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
6220         PR rtl-optimization/43413
6221         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
6222         hard regs too.
6224 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
6226         PR target/43348
6227         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
6228         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
6230 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
6232         * config/i386/i386.c (ix86_target_string): Add -mfma.
6233         Fix a typo in comment.
6235 2010-03-22  Mike Stump  <mikestump@comcast.net>
6237         PR target/23071
6238         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6239         Don't overly align based upon packed packed fields.
6241 2010-03-22  Jason Merrill  <jason@redhat.com>
6243         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
6244         Use () rather than [], and move before the element type.
6246 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6248         * doc/configfiles.texi (Configuration Files): Removed
6249         fixinc/Makefile*, intl/Makefile.*.
6250         * doc/makefile.texi: Fixed markup. Abstract from version
6251         control system used.
6252         (Makefile): Removed obsolete gcc/java/parse.y example.
6253         * doc/sourcebuild.texi: Likewise.
6254         (Top Level): Added config, gnattools, libdecnumber, libgcc,
6255         libgomp, libssp.  Removed fastjar.
6256         (Miscellaneous Docs): Clarify location.
6257         Added COPYING3, COPYING3.LIB.
6258         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
6260 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6262         PR target/38085
6263         * config/i386/i386.c (x86_function_profiler)
6264         [!NO_PROFILE_COUNTERS]: Fix typo.
6265         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
6266         instead of callq.
6268 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
6269             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6271         * doc/sourcebuild.texi (Test Directives): Split into six
6272         subsections, with most of the current text in new subsections
6273         Directives, Selectors, and Final Actions.
6274         (Directives): Split list of test directives into multiple
6275         subsubsections.
6276         (Selectors): Describe use and syntax of selectors.
6277         (Effective-Target Keywords): Describe all existing keywords.
6278         (Add Options): Describe features for dg-add-options.
6279         (Require Support): Describe variants of dg-require-support.
6280         (Final Actions): Describe commands to use in dg-final.
6282 2010-03-22  Michael Matz  <matz@suse.de>
6284         PR middle-end/43475
6285         * recog.c (validate_replace_rtx_group): Replace also in
6286         REG_EQUAL and REG_EQUIV notes.
6288 2010-03-22  Richard Guenther  <rguenther@suse.de>
6290         PR tree-optimization/43390
6291         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
6292         sure vector extracts are type correct.
6294 2010-03-22  Richard Guenther  <rguenther@suse.de>
6296         PR middle-end/40106
6297         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
6298         x * sqrt (x) even when optimizing for size if the target
6299         has native support for sqrt.
6301 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
6303         * varasm.c (make_decl_rtl_for_debug): Also clear
6304         flag_mudflap for the duration of make_decl_rtl call.
6306         PR debug/43443
6307         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
6308         locs from preserved VALUEs.
6310 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6312         PR middle-end/42718
6313         * pa.md (movmemsi): Set align to one if zero.
6314         (movmemdi): Likewise.
6316 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
6318         PR target/42321
6319         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
6320         with their corresponding prologue pushes.
6322 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
6324         PR target/43156
6325         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
6326         at the begining or end.
6327         (spu_expand_epilogue): Likewise.
6329 2010-03-20  Richard Guenther  <rguenther@suse.de>
6331         PR rtl-optimization/43438
6332         * combine.c (make_extraction): Properly zero-/sign-extend an
6333         extraction of the low part of a CONST_INT.  Also handle
6334         CONST_DOUBLE.
6336 2010-03-19  Mike Stump  <mikestump@comcast.net>
6338         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
6339         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
6340         (override_options): Use SUBTARGET32_DEFAULT_CPU.
6342 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
6344         PR c/43211
6345         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
6346         an error.
6348 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
6350         PR rtl-optimization/42258
6351         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
6352         use that may match DEF.
6354         PR target/40697
6355         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
6356         the cost of loading the constant rather than assuming
6357         COSTS_N_INSNS (1).
6358         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
6359         outer code is AND, do the same tests as the andsi3 expander and
6360         return COSTS_N_INSNS (1) if and is cheap.
6362         * optabs.c (avoid_expensive_constant): Fix formatting.
6364 2010-03-19  Michael Matz  <matz@suse.de>
6366         PR c++/43116
6367         * attribs.c (decl_attributes): When rebuilding a function pointer
6368         type use the same qualifiers as the original pointer type.
6370 2010-03-19  Martin Jambor  <mjambor@suse.cz>
6372         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
6373         and is_gimple_ip_invariant_address.
6375 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6377         Revert
6378         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6380         * config/arm/arm.c (arm_override_options): Turn off
6381         flag_dwarf2_cfi_asm for AAPCS variants.
6383 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6385         PR target/43399
6386         * config/arm/arm.c (emit_multi_reg_push): Update comments.
6387         Use PRE_MODIFY instead of PRE_DEC.
6388         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
6389         (vfp_emit_fstmd): Likewise.
6391 2010-03-19  Michael Matz  <matz@suse.de>
6393         PR target/43305
6394         * builtins.c (expand_builtin_interclass_mathfn,
6395         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
6396         if that fails.
6398 2010-03-19  Richard Guenther  <rguenther@suse.de>
6400         PR tree-optimization/43415
6401         * tree-ssa-pre.c (phi_translate): Split out worker to ...
6402         (phi_translate_1): ... this.
6403         (phi_translate): Move all caching here.  Cache all NARY
6404         and REFERENCE translations.
6406 2010-03-19  David S. Miller  <davem@davemloft.net>
6408         With help from Eric Botcazou.
6409         * config/sparc/sparc.c: Include dwarf2out.h.
6410         (emit_pic_helper): Delete.
6411         (pic_helper_symbol_name): Delete.
6412         (pic_helper_emitted_p): Delete.
6413         (pic_helper_needed): New.
6414         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
6415         (get_pc_thunk_name): New.
6416         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
6417         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
6418         Set pic_helper_needed to true.  Don't call emit_pic_helper.
6419         (sparc_expand_prologue): Update load_pic_register call.
6420         (sparc_output_mi_thunk): Likewise.
6421         (sparc_file_end): Emit a hidden comdat symbol for the PIC
6422         thunk if possible.  Output CFI information as needed.
6424 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
6425             Jack Howarth <howarth@bromo.med.uc.edu>
6427         PR target/36399
6428         * config/i386/i386.h: Fix ABI on darwin x86-32.
6430 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
6432         * tree.h: Declare make_decl_rtl_for_debug.
6433         * varasm.c (make_decl_rtl_for_debug): New.
6434         * dwarf2out.c (rtl_for_decl_location): Call it.
6435         * cfgexpand.c (expand_debug_expr): Call it.
6437 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
6439         PR bootstrap/43399
6440         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
6441         mem_mode.
6443         PR bootstrap/43403
6444         * var-tracking.c (vt_init_cfa_base): Do nothing if
6445         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
6447 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
6449         PR debug/42873
6450         * var-tracking.c (canonicalize_vars_star): New.
6451         (dataflow_post_merge_adjust): Use it.
6453 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
6455         PR debug/43058
6456         * var-tracking.c (non_suitable_const): New function.
6457         (add_uses): For DEBUG_INSNs with constants, don't record any
6458         value, instead just the constant value itself.
6459         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
6460         is not VAR_LOC_UNKNOWN_P, set var to the constant.
6461         (emit_notes_in_bb): Likewise.
6462         (emit_note_insn_var_location): For onepart variables if
6463         cur_loc is a VOIDmode constant, use DECL_MODE.
6465 2010-03-18  Martin Jambor  <mjambor@suse.cz>
6467         PR middle-end/42450
6468         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
6469         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
6470         all non-clones.  Moved call redirection...
6471         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
6472         (cgraph_materialize_all_clones): Dispose of all
6473         combined_args_to_skip bitmaps.
6474         (verify_cgraph_node): Do not check for edges pointing to wrong
6475         nodes in inline clones.
6476         * tree-inline.c (copy_bb): Call
6477         cgraph_redirect_edge_call_stmt_to_callee.
6478         * ipa.c (cgraph_remove_unreachable_nodes): Call
6479         cgraph_node_remove_callees even when there are used clones.
6481 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
6483         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
6485 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
6487         PR target/43383
6488         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
6489         for 32bit.
6491 2010-03-18  Michael Matz  <matz@suse.de>
6493         PR middle-end/43419
6494         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
6495         into sqrt(x) if we need to preserve signed zeros.
6497 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
6498             Eric Botcazou  <ebotcazou@adacore.com>
6500         PR rtl-optimization/43360
6501         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
6502         note if we don't know its invariant status.
6504 2010-03-18  Michael Matz  <matz@suse.de>
6506         PR tree-optimization/43402
6507         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
6508         PHI chains of ssa names registered for update.
6510 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
6512         PR target/42427
6513         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
6514         non-offsettable and pre_modify update addressing.
6515         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
6516         and "2" alternatives "#".
6517         (*movdd_softfloat32): Make all alternatives "#";
6518         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
6519         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
6520         (*movdf_softfloat32): Make all alternatives "#";
6521         (movdi): Use the new DIFD mode iterator to create a common splitter
6522         for movdi, movdf and movdd patterns.
6524 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
6526         * common.opt (dumpdir): Remove redundant tab.
6528 2010-03-17  Martin Jambor  <mjambor@suse.cz>
6530         PR tree-optimization/43347
6531         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
6532         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
6534 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
6536         PR rtl-optimization/42216
6537         * regrename.c (create_new_chain): New function, broken out from...
6538         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
6539         appending a use to an empty chain.
6540         (build_def_use): Remove previous changes that convert OP_INOUT to
6541         OP_OUT operands; instead detect the case where an OP_INOUT operand
6542         uses a previously untracked register and create an empty chain for it.
6544 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6546         * doc/extend.texi (Function Attributes): Rewrite unfinished
6547         sentence in ms_abi documentation.
6549 2010-03-17  Alan Modra  <amodra@gmail.com>
6551         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
6552         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
6553         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
6554         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
6556 2010-03-16  Richard Henderson  <rth@redhat.com>
6558         PR middle-end/43365
6559         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
6560         (lower_try_finally): Save and restore eh_seq around the expansion
6561         of the try-finally.
6563 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
6565         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
6566         statements before splitting block.
6568 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6570         * doc/sourcebuild.texi (Testsuites): Fix markup.
6571         Use pathnames relative to gcc/testsuite.
6572         (Test Directives): Move description of how timeout is determined.
6573         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
6574         (C Tests): Correct gcc.misc-tests directory.
6575         Framework tests now live in gcc.test-framework.
6577 2010-03-16  Richard Guenther  <rguenther@suse.de>
6579         PR middle-end/43379
6580         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
6581         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
6583 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
6584             Alexandre Oliva  <aoliva@redhat.com>
6586         PR tree-optimization/42917
6587         * lambda-code.c (remove_iv): Skip debug statements.
6588         (lambda_loopnest_to_gcc_loopnest): Likewise.
6589         (not_interesting_stmt): Debug statements are not interesting.
6591 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
6593         PR debug/43051
6594         PR debug/43092
6595         * cselib.c (cselib_preserve_constants,
6596         cfa_base_preserved_val): New static variables.
6597         (preserve_only_constants): New function.
6598         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
6599         clear its REG_VALUES.  If cselib_preserve_constants, don't
6600         empty the whole hash table, but preserve there VALUEs with constants,
6601         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
6602         (cselib_preserve_cfa_base_value): New function.
6603         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
6604         (cselib_init): Change argument to int bitfield.  Set
6605         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
6606         is in it.
6607         (cselib_finish): Clear cselib_preserve_constants and
6608         cfa_base_preserved_val.
6609         * cselib.h (enum cselib_record_what): New enum.
6610         (cselib_init): Change argument to int.
6611         (cselib_preserve_cfa_base_value): New prototype.
6612         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
6613         * dse.c (dse_step1): Likewise.
6614         * cfgcleanup.c (thread_jump): Likewise.
6615         * sched-deps.c (sched_analyze): Likewise.
6616         * gcse.c (local_cprop_pass): Likewise.
6617         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
6618         If FN is non-NULL, call the callback always and whenever it returns
6619         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
6620         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
6621         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
6622         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
6623         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
6624         * var-tracking.c: Include recog.h.
6625         (bb_stack_adjust_offset): Remove.
6626         (vt_stack_adjustments): Don't call it, instead just gather the
6627         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
6628         (adjust_stack_reference): Remove.
6629         (compute_cfa_pointer): New function.
6630         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
6631         (struct adjust_mem_data): New type.
6632         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
6633         functions.
6634         (get_address_mode): New function.
6635         (replace_expr_with_values): Use it.
6636         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
6637         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
6638         (adjust_sets): Remove.
6639         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
6640         Use get_address_mode.
6641         (get_adjusted_src): Remove.
6642         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
6643         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
6644         (add_with_sets): Don't call adjust_sets.
6645         (fp_setter, vt_init_cfa_base): New functions.
6646         (vt_initialize): Change return type to bool.  Move most of pool etc.
6647         initialization to the beginning of the function from end.  Pass
6648         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
6649         If !frame_pointer_needed, call vt_stack_adjustment before mos
6650         vector is filled, call vt_init_cfa_base if argp/framep has been
6651         eliminated to sp.  If frame_pointer_needed and argp/framep has
6652         been eliminated to hard frame pointer, set
6653         hard_frame_pointer_adjustment and call vt_init_cfa_base after
6654         encountering fp setter in the prologue.  For MO_ADJUST, call
6655         log_op_type before pusing the op into mos vector, not afterwards.
6656         Call adjust_insn before cselib_process_insn/add_with_sets,
6657         call cancel_changes (0) afterwards.
6658         (variable_tracking_main_1): Adjust for vt_initialize calling
6659         vt_stack_adjustments and returning whether it succeeded or not.
6661 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
6663         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
6664         debug statements.
6666 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
6668         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
6669         has been set.
6670         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
6671         drap_reg has not been set.
6673 2010-03-15  Michael Matz  <matz@suse.de>
6675         PR middle-end/43300
6676         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
6677         use it to expand block copies.
6678         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
6679         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
6680         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
6682 2010-03-15  Richard Guenther  <rguenther@suse.de>
6684         PR tree-optimization/43367
6685         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
6686         elimination check.
6688 2010-03-15  Richard Guenther  <rguenther@suse.de>
6690         PR tree-optimization/43317
6691         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
6693 2010-03-15  Martin Jambor  <mjambor@suse.cz>
6695         PR tree-optimization/43141
6696         * tree-sra.c (create_abstract_origin): New function.
6697         (modify_function): Call create_abstract_origin.
6699 2010-03-15  Chris Demetriou  <cgd@google.com>
6701         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
6702         wasn't copied.
6704 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6706         PR middle-end/43354
6707         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
6708         call insert_out_of_ssa_copy for default definitions.
6710 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6712         * graphite-clast-to-gimple.c (my_long_long): Defined.
6713         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
6714         * graphite-sese-to-poly.c (my_long_long): Defined.
6715         (scop_ivs_can_be_represented): Use it.
6717 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6719         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
6720         graphite-max-bbs-per-function, and loop-block-tile-size.
6721         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
6722         with "maximum".
6723         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
6725 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6727         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
6728         forward declaration.
6729         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
6730         (add_upper_bounds_from_estimated_nit): New.
6731         (build_loop_iteration_domains): Use it.
6733 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6735         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
6737 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6739         PR middle-end/43306
6740         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
6741         should be an INTEGER_CST.  Also handle CASE_CONVERT.
6743 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6745         * graphite.c (graphite_initialize): To bound the number of bbs per
6746         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
6747         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
6748         * doc/invoke.texi: Document it.
6750 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6752         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
6753         * graphite-sese-to-poly.h (build_poly_scop): Same.
6755 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
6757         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
6758         the number of parameters in the scop.  Use as an upper bound
6759         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
6760         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
6761         * doc/invoke.texi: Document it.
6763 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
6765         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
6766         * doc/c-tree.texi: Remove.
6767         * doc/generic.texi: Merge c-tree.texi here.
6768         * doc/gccint.texi (Trees): Remove menu entry.
6769         (c-tree.texi): Remove @include.
6770         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
6771         * doc/languages.texi (Reading RTL): Ditto.
6773 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
6775         PR target/42869
6776         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
6778 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6780         PR middle-end/42431
6781         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
6782         code added to work around reload clobbering CONST insns.
6784 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
6786         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
6787         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
6788         (cselib_preserve_only_values): Remove retain argument, don't
6789         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
6790         * cselib.h (cselib_preserve_only_values): Remove retain argument.
6791         * var-tracking.c (micro_operation): Move insn field before union.
6792         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
6793         (struct variable_tracking_info_def): Remove n_mos field, change
6794         mos into a vector of micro_operations.
6795         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
6796         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
6797         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
6798         changing into a vector.
6799         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
6800         come before all other uops generated by add_stores.
6801         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
6802         argument removal.
6803         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
6804         a vector.  Run just one pass over the bbs instead of separate counting
6805         and computation phase.
6806         (vt_finalize): Free VTI (bb)->mos vector instead of array.
6808         PR debug/43329
6809         * tree-inline.c (remap_decls): Put old_var rather than origin_var
6810         into *nonlocalized_list vector.
6811         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
6812         even if origin is non-NULL.
6813         (gen_variable_die): Likewise.
6814         (process_scope_var): Don't change origin.
6815         (gen_decl_die): Likewise.
6816         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
6817         before adding new edges instead of after it, fix moving over
6818         debug stmts.
6820 2010-03-11  David S. Miller  <davem@davemloft.net>
6822         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
6823         of four.
6824         * configure: Rebuild.
6826 2010-03-11  Martin Jambor  <mjambor@suse.cz>
6828         PR tree-optimization/43257
6829         * tree.c (assign_assembler_name_if_neeeded): New function.
6830         (free_lang_data_in_cgraph): Assembler name assignment moved to the
6831         above new function.
6832         * tree.h (assign_assembler_name_if_neeeded): Declare.
6833         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
6834         the function if needed.
6836 2010-03-11  Chris Demetriou  <cgd@google.com>
6838         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
6839         include/stdint-gcc.h, and include/stdint.h world-readable.
6841 2010-03-11  Richard Guenther  <rguenther@suse.de>
6843         PR tree-optimization/43255
6844         * tree-vrp.c (process_assert_insertions_for): Do not insert
6845         asserts for trivial conditions.
6847 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6849         PR tree-optimization/43280
6850         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
6851         generation.  Move calculation of size out of the if branch.
6852         (find_bswap): Modify compare number generation.
6854 2010-03-11  Richard Guenther  <rguenther@suse.de>
6856         PR lto/43200
6857         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
6858         (input_gimple_stmt): Fixup handled component types during
6859         operand read.  Also fix up decls in ADDR_EXPRs.
6861 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
6863         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
6864         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
6866 2010-03-10  Jan Hubicka  <jh@suse.cz>
6868         PR c/43288
6869         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
6870         * varasm.c (get_variable_section): Don't do that here...
6871         (make_decl_rtl): ... and here.
6872         (do_assemble_alias): Produce decl RTL.
6873         (assemble_alias): Likewise.
6875 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
6877         PR debug/43290
6878         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
6879         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
6880         of fde->vdrap_reg.
6881         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
6882         (based_loc_descr): Only express drap or vdrap regno based expressions
6883         using DW_OP_fbreg when not optimizing.
6884         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
6885         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
6886         REG_CFA_SET_VDRAP note.
6888 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
6890         PR tree-optimization/43236
6891         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
6892         error in calculation of base address in reverse iteration case.
6893         (generate_builtin): Take number of latch executions if the statement
6894         is in the latch.
6896 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
6898         PR middle-end/42859
6899         * tree-eh.c: Include pointer-set.h.
6900         (lower_eh_dispatch): Filter out duplicate case labels and
6901         remove the unneeded edge when the label is unused.  Return
6902         true when some edges are removed.
6903         (execute_lower_eh_dispatch): When any lowering resulted in
6904         removing an edge, also delete unreachable blocks.
6906 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
6908         PR bootstrap/43287
6909         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
6910         UNSPEC_MACHOPIC_OFFSET.
6912 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
6914         PR target/43294
6915         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
6916         (m68k_delegitimize_address): New function.
6918 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
6920         PR debug/43299
6921         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
6923         PR debug/43299
6924         * var-tracking.c (adjust_sets): New function.
6925         (count_with_sets, add_with_sets): Use it.
6926         (get_adjusted_src): New inline function.
6927         (add_stores): Use it.
6929         PR debug/43304
6930         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
6931         call cselib_dummy_expand_value_rtx_cb instead of
6932         cselib_expand_value_rtx_cb.
6934         PR debug/43293
6935         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
6936         * config/i386/i386.c: Include debug.h and dwarf2out.h.
6937         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
6938         and .cfi_endproc around the pic thunks.
6939         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
6940         all queued unwind info register saves are saved before the call.
6941         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
6942         considered as sp-=4 for unwind info and the pop as sp+=4 which
6943         also clobbers dest, but doesn't actually restore it.
6945         PR debug/43290
6946         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
6947         RTX_FRAME_RELATED_P.
6949 2010-03-09  Jie Zhang  <jie@codesourcery.com>
6951         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
6952         whitespaces in output template.
6954 2010-03-09  Jie Zhang  <jie@codesourcery.com>
6956         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
6957         out array boundary.
6959 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
6961         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
6962         builtins.exp in a separate job.
6964 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6966         * graphite-sese-to-poly.c (add_param_constraints): Use
6967         lower_bound_in_type and upper_bound_in_type.
6969 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6971         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
6972         instead of unsigned_type_node.
6974 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6975             Reza Yazdani  <reza.yazdani@amd.com>
6977         PR middle-end/43065
6978         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
6979         on pointer type parameters.
6981 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6983         PR middle-end/42644
6984         PR middle-end/42130
6985         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
6986         handle conversions from pointer to integers.
6987         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
6988         induction variable, to be able to work with code generated by CLooG.
6989         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
6990         (build_poly_scop): Bail out if we cannot codegen a loop.
6992 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6994         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
6995         code generation with gloog_error.
6997 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
6999         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
7000         Call fold_convert on all the returned values.
7001         (expand_scalar_variables_expr): Pass to
7002         expand_scalar_variables_ssa_name the type of the resulting expression.
7004 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7006         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
7007         ppl_min_for_le_pointset.
7008         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
7009         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
7011 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7013         * graphite-dependences.c (map_into_dep_poly): Removed.
7014         (dependence_polyhedron_1): Use combine_context_id_scat.
7016 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7018         * graphite-poly.h (struct poly_scattering): Add layout documentation.
7019         (struct poly_bb): Same.
7020         (combine_context_id_scat): New.
7022 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7024         PR middle-end/42326
7025         * sese.c (name_defined_in_loop_p): Return false for default
7026         definitions.
7028 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7030         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
7031         and clean up the logic.
7033 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7035         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
7036         early return.
7038 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
7040         * var-tracking.c (remove_cselib_value_chains): Define only for
7041         ENABLE_CHECKING.
7042         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
7043         delete_slot_part, emit_notes_for_differences_1): Don't call
7044         remove_cselib_value_chains here.
7045         (set_slot_part, emit_notes_for_differences_2): Don't call
7046         add_cselib_value_chains here.
7047         (preserved_values): New vector.
7048         (preserve_value): New function.
7049         (add_uses, add_stores, vt_add_function_parameters): Use it
7050         instead of cselib_preserve_value.
7051         (changed_values_stack): New vector.
7052         (check_changed_vars_0): New function.
7053         (check_changed_vars_1, check_changed_vars_2): Use it.
7054         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
7055         changed_values_stack VALUEs.
7056         (vt_emit_notes): For all preserved_values call
7057         add_cselib_value_chains.  If ENABLE_CHECKING call
7058         remove_cselib_value_chains before verifying value_chains is empty.
7059         Initialize and free changed_values_stack.
7060         (vt_initialize): Initialize preserved_values.
7061         (vt_finalize): Free preserved_values.
7063 2010-03-08  Richard Guenther  <rguenther@suse.de>
7065         PR tree-optimization/43269
7066         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
7067         region detection.
7069 2010-03-08  Martin Jambor  <mjambor@suse.cz>
7071         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
7072         (ipa_is_param_called): Removed.
7073         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
7074         (ipa_print_node_params): Do not print the called flag.
7075         (ipa_write_node_info): Do not stream the called flag.
7076         (ipa_read_node_info): Likewise.
7078 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
7080         PR debug/43176
7081         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
7082         * cselib.c (struct expand_value_data): Add dummy field.
7083         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
7084         dummy to false.
7085         (cselib_dummy_expand_value_rtx_cb): New function.
7086         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
7087         any rtl.
7088         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
7089         * var-tracking.c: Include pointer-set.h.
7090         (variable): Change n_var_parts to char from int.  Add
7091         cur_loc_changed and in_changed_variables fields.
7092         (variable_canonicalize): Remove.
7093         (shared_var_p): New inline function.
7094         (unshare_variable): Maintain cur_loc_changed and
7095         in_changed_variables fields.  If var was in changed_variables,
7096         replace it there with new_var.  Just copy cur_loc instead of
7097         resetting it to something else.
7098         (variable_union): Don't recompute cur_loc.  Use shared_var_p.
7099         (dataflow_set_union): Don't call variable_canonicalize.
7100         (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
7101         of their DEBUG_EXPR_TREE_DECLs.
7102         (canonicalize_loc_order_check): Verify that cur_loc is NULL
7103         and in_changed_variables and cur_loc_changed is false.
7104         (variable_merge_over_cur): Clear cur_loc, in_changed_variables
7105         and cur_loc_changed.  Don't update cur_loc here.
7106         (variable_merge_over_src): Don't call variable_canonicalize.
7107         (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
7108         removing loc that is equal to cur_loc, clear cur_loc,
7109         set cur_loc_changed and ensure variable_was_changed is called.
7110         (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
7111         compare pointers in cur_loc check, if it is equal to loc,
7112         clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
7113         (variable_different_p): Remove compare_current_location argument,
7114         don't compare cur_loc.
7115         (dataflow_set_different_1): Adjust variable_different_p caller.
7116         (variable_was_changed): If dv had some var in changed_variables
7117         already, reset in_changed_variables flag for it and propagate
7118         cur_loc_changed over to the new variable.  On empty var
7119         always set cur_loc_changed.  Set in_changed_variables on whatever
7120         var is added to changed_variables.
7121         (set_slot_part): Clear cur_loc_changed and in_changed_variables.
7122         Use shared_var_p.  When removing loc that is equal to cur_loc,
7123         clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
7124         end, don't set it to something else, just call variable_was_changed.
7125         (delete_slot_part): Use shared_var_p.  When cur_loc equals to
7126         loc being removed, clear cur_loc and set cur_loc_changed.
7127         Set cur_loc_changed if all locations have been removed.
7128         (struct expand_loc_callback_data): New type.
7129         (vt_expand_loc_callback): Add dummy mode in which no rtxes are
7130         allocated.  Always create SUBREGs if simplify_subreg failed.
7131         Prefer to use cur_loc, when that fails and still in
7132         changed_variables (and seen first time) recompute it.  Set
7133         cur_loc_changed of variables which had to change cur_loc and
7134         compute elcd->cur_loc_changed if any of the subexpressions used
7135         had to change cur_loc.
7136         (vt_expand_loc): Adjust to pass arguments in
7137         expand_loc_callback_data structure.
7138         (vt_expand_loc_dummy): New function.
7139         (emitted_notes): New variable.
7140         (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
7141         that weren't used for any other decl in current
7142         emit_notes_for_changes call call vt_expand_loc_dummy to update
7143         cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
7144         first loc_chain location if NULL before.  Always use just
7145         cur_loc instead of first loc_chain location.  When cur_loc_changed
7146         is false, when not --enable-checking=rtl just don't emit any note.
7147         When rtl checking, compute the note and assert it is the same
7148         as previous note.  Clear cur_loc_changed and in_changed_variables
7149         at the end before removing from changed_variables.
7150         (check_changed_vars_3): New function.
7151         (emit_notes_for_changes): Traverse changed_vars to call
7152         check_changed_vars_3 on each changed var.
7153         (emit_notes_for_differences_1): Clear cur_loc_changed and
7154         in_changed_variables.  Recompute cur_loc of new_var.
7155         (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
7156         (vt_emit_notes): Initialize and destroy emitted_notes.
7158 2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>
7160         PR rtl-optimization/42220
7161         * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
7162         Use verify_reg_tracked to determine if we should use OP_OUT rather
7163         than OP_INOUT.
7164         (build_def_use): If we see an in-out operand for a register that we
7165         know nothing about, treat is an output if possible, fail the block if
7166         not.
7168 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
7170         PR debug/42897
7171         * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
7172         permanently.
7174 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
7176         PR debug/42897
7177         * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
7178         uses of relevant DEFs that are dead outside the loop too.
7180 2010-03-06  Alexandre Oliva <aoliva@redhat.com>
7182         * var-tracking.c (dataflow_set_merge): Swap src and src2.
7183         Reverted:
7184         2010-01-13  Jakub Jelinek  <jakub@redhat.com>
7185         PR debug/41371
7186         * var-tracking.c (values_to_unmark): New variable.
7187         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7188         values_to_unmark vector.  Moved body to...
7189         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
7190         instead queue it into values_to_unmark vector.
7191         (vt_find_locations): Free values_to_unmark vector.
7193 2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>
7195         * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
7196         (site.exp): Export them when plugins are enabled.
7198 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
7200         PR middle-end/42326
7201         * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
7202         that contain scevs.
7203         (chrec_fold_multiply): Same.
7205 2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
7207         PR c/43248
7208         * c-decl.c (build_compound_literal): Return early if init is
7209         an error_mark_node.
7211 2010-03-04  Martin Jambor  <mjambor@suse.cz>
7213         PR tree-optimization/43164
7214         PR tree-optimization/43191
7215         * tree-sra.c (type_consists_of_records_p): Reject records with
7216         zero-size bit-fields at the end.
7218 2010-03-04  Mike Stump  <mikestump@comcast.net>
7220         * Makefile.in (TAGS): Remove *.y.
7222 2010-03-04  Richard Guenther  <rguenther@suse.de>
7224         PR tree-optimization/40761
7225         * tree-ssa-pre.c (compute_antic): Walk reverse postorder
7226         in reverse order.
7227         (my_rev_post_order_compute): New function.
7228         (init_pre): Call it.
7230 2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>
7232         PR middle-end/43209
7233         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
7234         decrease the cost of an IV candidate when the cost is infinite.
7236 2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7238         * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
7239         Use '3DNow!' for the extension of that name, ensure normal space
7240         after the string.
7241         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
7243 2010-03-03  Jeff Law  <law@redhat.com>
7245         * PR middle-end/32693
7246         * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
7247         than gen_rtx_SUBREG.
7248         (extract_bit_field_1): Likewise.
7250 2010-03-03  Janis Johnson  <janis187@us.ibm.com>
7252         * doc/sourcebuild.texi (Test directives): Document that arguments
7253         include-opts and exclude-opts are now optional for dg-skip-if,
7254         dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
7256 2010-03-03  Jason Merrill  <jason@redhat.com>
7258         PR c++/12909
7259         * cgraph.h (varpool_node): Add extra_name field.
7260         * varpool.c (varpool_extra_name_alias): New.
7261         (varpool_assemble_decl): Emit extra name aliases.
7262         (varpool_mark_needed_node): Look past an extra name alias.
7263         * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
7264         * lto-streamer-in.c (lto_input_tree): Read it.
7265         * lto-streamer-out.c (output_unreferenced_globals): Write it.
7267 2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>
7269         * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
7270         (sparc*-*-solaris2*): ...this.
7272 2010-03-03  Jakub Jelinek  <jakub@redhat.com>
7274         PR debug/43229
7275         * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
7276         WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
7277         ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
7278         FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
7280         PR debug/43237
7281         * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
7282         fallthrough to default handling, just with want_address 0 instead of 2.
7283         For single element lists, add_AT_loc directly, otherwise create an
7284         artificial variable DIE and stick location list to it.
7286         PR debug/43177
7287         * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
7288         (VAL_EXPR_HAS_REVERSE): Define.
7289         (reverse_op): New function.
7290         (add_stores): For reversible operations add an extra MO_VAL_USE.
7292 2010-03-02  Jason Merrill  <jason@redhat.com>
7294         * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
7296 2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>
7298         * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
7299         (sparc64-*-linux*): Likewise.
7300         (sparc64-*-solaris2*): Include assembler files before linker ones.
7301         (sparc-*-solaris2*): Simplify and reorder to match previous case.
7302         * config/sparc/gas.h: Delete.
7303         * config/sparc/sol2-64.h: Add copyright notice.
7304         * config/sparc/sol2-gas-bi.h: Likewise.
7305         * config/sparc/sol2-gld.h: Likewise.
7306         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
7307         * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
7308         * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
7309         * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
7310         (sparc_elf_asm_named_section): Rename into...
7311         (sparc_solaris_elf_asm_named_section): ...this.  Always define.
7313 2010-03-02  Uros Bizjak  <ubizjak@gmail.com>
7315         * config/alpha/alpha.c (override_options): Fix -mtune error message.
7317 2010-03-02  Jeff Law  <law@redhat.com>
7319         PR middle-end/42431
7320         * reload1.c (rtx_p, substitute_stack): Declare.
7321         (substitute): Record addresses of changed rtxs.
7322         (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
7323         Restore the original rtx when complete.
7324         (reload): Free subsitute_stack when complete.
7326 2010-03-02  Janis Johnson  <janis187@us.ibm.com>
7328         * doc/gccint.texi (menu): Add Testsuites as a chapter.
7329         * doc/sourcebuild.texi (Testsuites): Move up a level to be a
7330         new chapter.
7331         (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
7332         LTO Testing, gcov Testing, profopt Testing, compat Testing,
7333         Torture Tests): Change from subsection to section.
7335 2010-03-02  Jakub Jelinek  <jakub@redhat.com>
7336             Steven Bosscher  <steven@gcc.gnu.org>
7338         * var-tracking.c (vt_initialize): Scan insns in ebb chunks
7339         instead of bb.
7341 2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>
7343         PR middle-end/42640
7344         * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
7345         the assignment from the new induction variable to the assignment
7346         of the value from the original loop PHI function.
7348 2010-03-01  Janis Johnson  <janis187@us.ibm.com>
7349             Daniel Jacobowitz  <dan@codesourcery.com>
7351         * doc/sourcebuild.texi (Test directives): Clarify options to
7352         dg-skip-if.
7354 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7356         * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
7357         Disable cfi directives unless GCC and gas agree on using read-only
7358         .eh_frame sections for 64-bit.
7359         * configure: Regenerate.
7361 2010-03-01  Richard Guenther  <rguenther@suse.de>
7363         PR tree-optimization/43220
7364         * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
7365         BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
7367 2010-03-01  Richard Guenther  <rguenther@suse.de>
7368             Martin Jambor  <mjambor@suse.cz>
7370         PR middle-end/41250
7371         * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
7372         gimplified parameters.
7374 2010-03-01  Christian Bruel  <christian.bruel@st.com>
7376         * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
7378 2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>
7380         * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
7382 2010-03-01  Richard Guenther  <rguenther@suse.de>
7384         PR middle-end/43213
7385         * expr.c (expand_assignment): Use the alias-oracle to tell
7386         if the rhs aliases the result decl.
7388 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7390         PR pch/14940
7391         * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
7392         to sol_gt_pch_get_address.
7393         (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
7394         64-bit, SPARC and x86.
7395         (sol_gt_pch_get_address): New function.
7397 2010-03-01  Marco Poletti  <poletti.marco@gmail.com>
7399         * toplev.h (inform_n, error_n): Declare.
7400         * diagnostic.c (inform_n, error_n): New function.
7402 2010-03-01  Jakub Jelinek  <jakub@redhat.com>
7404         * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
7405         has no rtl yet when processing local_decls, queue it and recheck
7406         if deferred stack allocation hasn't assigned it rtl.
7408 2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7410         * config/sh/sh.c (unspec_bbr_uid): New.
7411         (gen_block_redirect): Use it instead of INSN_UID.
7412         (gen_far_branch): Likewise.
7414 2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7416         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
7417         it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
7419 2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7421         * doc/invoke.texi (Warning Options, RX Options): Fix typos.
7422         (Warning Options): -Wno-conversion-null is valid for
7423         Objective-C++ as well.
7424         * doc/tm.texi (Named Address Spaces): Likewise.
7425         * doc/plugins.texi (Plugins): Replace TABs with spaces.
7426         * doc/tree-ssa.texi (Tree SSA): Likewise.
7428 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
7430         PR bootstrap/43202
7431         * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
7432         by default.  Don't set the default arch for
7433         i[34567]86-*-darwin*|x86_64-*-darwin*.
7435 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
7437         PR bootstrap/43202
7438         * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
7439         default.  Set the default 32bit/64bit archs with $with_arch
7440         instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
7442 2010-02-27  Richard Guenther  <rguenther@suse.de>
7444         PR tree-optimization/43186
7445         * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
7446         * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
7447         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
7448         unroller iterations.
7450 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
7452         * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
7453         required and i[34567]86-*-* targets don't support 64bit ISA.
7455 2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7457         PR ada/43096
7458         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7459         the same alias set.
7461 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
7463         * config.gcc: Set the default arch at least to Prescott for
7464         i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
7465         if SSE math is enabled.
7467 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7469         * diagnostic.c (diagnostic_initialize): Update.
7470         (diagnostic_report_diagnostic): Test inhibit_notes_p for
7471         informative notes.
7472         * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
7473         (diagnostic_inhibit_notes): New.
7474         * toplev.c (process_options): inhibit notes with -fcompare-debug.
7476 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7478         PR c/20631
7479         * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
7480         * doc/standards.texi: Likewise.
7481         * doc/extend.texi: Likewise.
7482         * doc/trouble.texi: Likewise.
7483         * doc/cppopts.texi: Likewise.
7484         * doc/install.texi: Likewise.
7485         * c.opt (std=c90,std=gnu90): New options.
7486         * c-opts.c (c_common_handle_option): Handle them.
7488 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7490         PR c/24577
7491         * c-decl.c (undeclared_variable): Use an informative note.
7493 2010-02-26  Richard Guenther  <rguenther@suse.de>
7495         PR tree-optimization/43186
7496         * gimple.h (gimple_fold): Remove.
7497         * gimple.c (gimple_fold): Remove.  Inline into single user ...
7498         * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
7499         Try harder for conditions.
7501 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
7503         PR debug/43190
7504         * function.c (used_types_insert): Don't skip through named pointer
7505         types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
7506         and it is different from the main variant's type.
7508 2010-02-26  Nick Clifton  <nickc@redhat.com>
7510         * config/rx/rx.md (sminsi3): Remove bogus alternative.
7512 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
7514         * config.gcc: Support --with-fpmath=sse for x86.
7516         * config/i386/ssemath.h: New.
7518         * doc/install.texi (--with-fpmath=sse): Documented.
7520 2010-02-26  Richard Guenther  <rguenther@suse.de>
7522         PR tree-optimization/43188
7523         * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
7524         vector types of over-aligned element type.
7526 2010-02-26  Uros Bizjak  <ubizjak@gmail.com>
7528         PR target/43175
7529         * config/i386/i386.c (expand_vec_perm_blend): Use correct
7530         operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.
7532 2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
7534         * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
7536 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
7538         * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
7539         * var-tracking.c: Include diagnostic.h.
7540         (debug_dv): New function.
7541         (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
7543         PR debug/43160
7544         * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
7545         (add_value_chain, add_value_chains, remove_value_chain,
7546         remove_value_chains): Handle DEBUG_EXPRs.
7547         (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
7549         PR debug/43161
7550         * regcprop.c (struct queued_debug_insn_change): New type.
7551         (struct value_data_entry): Add debug_insn_changes field.
7552         (struct value_data): Add n_debug_insn_changes field.
7553         (debug_insn_changes_pool): New variable.
7554         (free_debug_insn_changes, apply_debug_insn_changes,
7555         cprop_find_used_regs_1, cprop_find_used_regs): New functions.
7556         (kill_value_one_regno): Call free_debug_insn_changes if needed.
7557         (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
7558         fields.
7559         (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
7560         changes for them.
7561         (copyprop_hardreg_forward_1): Don't call apply_change_group for
7562         DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
7563         changes, call cprop_find_used_regs via note_stores.
7564         (copyprop_hardreg_forward): When copying vd from predecessor
7565         which has any queued DEBUG_INSN changes, make sure the pointers are
7566         cleared.  At the end call df_analyze and then if there are any
7567         DEBUG_INSN changes queued at the end of some basic block for still
7568         live registers, apply them.
7569         (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
7571 2010-02-25  Uros Bizjak  <ubizjak@gmail.com>
7573         * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
7574         (arm*-*-*): Ditto.
7576 2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>
7578         * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
7579         targets.  Set the default with_cpu/with_arch from arch/cpu.
7580         Allow x86-64 and native for with_cpu/with_arch.
7582 2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>
7584         * ebitmap.c: Change calls to verify_popcount with calls to
7585         sbitmap_verify_popcount.
7586         (ebitmap_clear_bit): Fixed map->cacheindex test and
7587         map>cache update when bit clearing results in an empty
7588         element.
7590 2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
7592         PR target/43154
7593         * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
7594         (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
7595         and support both V2DF and V2DI modes.
7596         (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
7597         support both V2DF and V2DI modes.
7598         (general): Delete trailing whitespace from a few patterns.
7600         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7601         V2DF/V2DI interleave high/low builtins.
7603         * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
7604         new VSX builtins.
7606         * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
7607         interleave high/low functions.
7609 2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
7611         * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
7612         #pragma extern_prefix.
7614 2010-02-25  Jakub Jelinek  <jakub@redhat.com>
7616         PR debug/43166
7617         * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
7618         BLKmode, assert op0 is a MEM and just adjust its mode.
7620         PR debug/43165
7621         * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
7622         if bitpos isn't multiple of mode's bitsize.
7624 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7626         * c.opt (-ftemplate-depth=): New.
7627         (-ftemplate-depth-): Deprecate.
7628         * optc-gen.awk: Handle -ftemplate-depth=.
7629         * opth-gen.awk: Likewise.
7630         * c-opts.c (c_common_handle_option): Likewise.
7631         * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
7633 2010-02-24  Jason Merrill  <jason@redhat.com>
7635         * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
7637 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7639         * cfg.c (alloc_aux_for_block): Remove inline.
7640         (alloc_aux_for_edge): Likewise.
7642 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7644         * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
7646 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7648         * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
7649         * config/i386/sol2-gas.h: New file.
7650         * config.gcc (i[34567]86-*-solaris2*): Use it.
7652 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7654         PR c/43128
7655         * c-typeck.c (ep_convert_and_check): New.
7656         (build_conditional_expr): Use it.
7657         (build_binary_op): Likewise.
7659 2010-02-24  Jakub Jelinek  <jakub@redhat.com>
7661         * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
7663         PR debug/43150
7664         * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
7665         bounds even for -O+.
7666         * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
7667         expr needs to have DECL_NAME set.
7669 2010-02-24  Nick Clifton  <nickc@redhat.com>
7671         * config/mep/mep.c: Include gimple.h.
7672         (mep_function_uses_sp): Delete unused function.
7673         (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
7674         parameters.  Use unsigned integers to count args.  Return a
7675         NULL_RTX instead of an error_mark_node.  Toidy up formatting.
7677 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
7679         PR target/43107
7680         * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
7681         greater or equal to nelt instead of 2 * nelt.
7682         (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
7683         with nelt - 1.
7685 2010-02-23  Jason Merrill  <jason@redhat.com>
7687         PR debug/42800
7688         * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
7689         in cfun->local_decls even if they have register types.
7691         PR c++/42837
7692         * stor-layout.c (place_field): Don't warn about unnecessary
7693         DECL_PACKED if the type is packed.
7695 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
7697         PR target/43139
7698         * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
7699         GOTOFF relocs, even when the base reg isn't pic pointer.
7701 2010-02-23  Michael Matz  <matz@suse.de>
7703         PR debug/43077
7704         * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
7705         (expand_gimple_basic_block): Generate and use debug temps if there
7706         are debug uses left after the last real use of TERed ssa names.
7707         Unlink debug immediate uses when they are expanded.
7709 2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7711         PR 43123
7712         * config/i386/i386.c (override_options): Reorganise to provide
7713         better error messages.
7715 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
7717         PR middle-end/43083
7718         * graphite-scop-detection.c (create_single_exit_edge): Move
7719         the call to find_single_exit_edge to....
7720         (create_sese_edges): ...here.  Don't handle multiple edges
7721         exiting the function.
7722         (build_graphite_scops): Don't handle multiple edges
7723         exiting the function.
7725 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
7727         PR middle-end/43097
7728         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
7729         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
7731 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
7733         PR middle-end/43026
7734         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
7736 2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7738         PR c++/43126
7739         * c-typeck.c (convert_arguments): Print declaration location.
7740         * c-common.c (validate_nargs): Rename as
7741         builtin_function_validate_nargs.
7742         (check_builtin_function_arguments): Update.
7744 2010-02-22  Richard Guenther  <rguenther@suse.de>
7746         PR lto/43045
7747         * tree-inline.c (declare_return_variable): Use the type of
7748         the call stmt lhs if available.
7750 2010-02-22  Duncan Sands  <baldrick@free.fr>
7752         * passes.c (register_pass): Always consider all pass lists when
7753         ref_pass_instance_number is zero.
7755 2010-02-22  Richard Guenther  <rguenther@suse.de>
7757         PR tree-optimization/42749
7758         * tree-tailcall.c (adjust_return_value_with_ops): Drop update
7759         parameter.  Do arithmetic in the original type.
7760         (update_accumulator_with_ops): Likewise.
7761         (adjust_accumulator_values): Adjust.
7763 2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7765         * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
7766         (QI to BLKmode splitter): New splitter.
7768 2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7770         * config/i386/i386.c (initial_ix86_tune_features): Turn on
7771         X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
7773 2010-02-22  Richard Guenther  <rguenther@suse.de>
7775         * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
7777 2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>
7779         Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
7780         * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
7781         ($(T)crti.o, $(T)crtn.o): Remove rules.
7783 2010-02-21  Tobias Burnus  <burnus@net-b.de>
7785         PR fortran/35259
7786         * doc/invoke.texi (-fassociative-math): Document that this
7787         option is automatically enabled for Fortran.
7789 2010-02-20  David S. Miller  <davem@davemloft.net>
7791         * configure.ac: Test if linker and assembler properly support
7792         GOTDATA_OP relocations.
7793         * configure: Rebuild.
7794         * config.in: Likewise.
7795         * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
7796         (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
7797         (movsi_high_pic): Likewise.
7798         (movdi_lo_sum_pic): Likewise.
7799         (movdi_high_pic): Likewise.
7800         (movsi_pic_gotdata_op): New pattern.
7801         (movdi_pic_gotdata_op): Likewise.
7802         * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
7803         emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
7805 2010-02-20  Uros Bizjak  <ubizjak@gmail.com>
7807         PR target/43067
7808         * config/i386/sse.md (xop_mulv2div2di3_low): Change type
7809         attribute to ssemul.
7810         (xop_mulv2div2di3_high): Ditto.
7812 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7814         PR c++/35669
7815         * c.opt (Wconversion-null): New option.
7816         * doc/invoke.texi (Wconversion-null): Document.
7818 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7820         * common.opt (Wlarger-than-): Add Undocumented.
7822 2010-02-19  Mike Stump  <mikestump@comcast.net>
7824         * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
7826 2010-02-19  Jason Merrill  <jason@redhat.com>
7828         PR target/40332
7829         * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
7830         * configure: Likewise.
7832 2010-02-20  Alan Modra  <amodra@gmail.com>
7834         PR middle-end/42344
7835         * cgraph.h (cgraph_make_decl_local): Declare.
7836         * cgraph.c (cgraph_make_decl_local): New function.
7837         (cgraph_make_node_local): Use it.
7838         * cgraphunit.c (cgraph_function_versioning): Likewise.
7839         * ipa.c (function_and_variable_visibility): Likewise.
7841 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
7843         PR bootstrap/43121
7844         * except.c (sjlj_emit_function_enter): Don't call
7845         add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
7846         directly.
7847         * rtl.h (add_reg_br_prob_note): Remove prototype.
7849 2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7851         PR 41779
7852         * c-common.c (conversion_warning): Remove widening conversions
7853         before checking the conversion of integers to reals.
7855 2010-02-19  Mike Stump  <mikestump@comcast.net>
7857         PR middle-end/43125
7858         * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
7860         PR objc/43061
7861         * cgraphunit.c (process_function_and_variable_attributes): Check
7862         DECL_PRESERVE_P instead of looking up attribute "used".
7863         * ipa-pure-const.c (check_decl): Likewise.
7864         * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
7865         * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
7866         * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
7867         instead of attribute "used".
7868         * config/sol2-c.c (solaris_pragma_init): Likewise.
7869         (solaris_pragma_fini): Likewise.
7871 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
7873         * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
7874         Use XCNEW instead of xcalloc.
7875         (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
7876         XNEW instead of xmalloc.
7877         (get_fields): Use XNEWVEC instead of xmalloc.
7879         PR debug/43084
7880         * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
7881         populate vars array.
7882         (create_new_general_access): For debug stmts just reset value.
7883         (get_stmt_accesses): For accesses within debug stmts just record them
7884         using add_access_to_acc_sites instead of preventing the peeling or
7885         counting them as accesses.
7887         PR middle-end/42233
7888         * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
7890 2010-02-19  Richard Guenther  <rguenther@suse.de>
7892         PR tree-optimization/42916
7893         * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
7894         instructions.
7896 2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>
7898         * configure.ac: Replace all uses of changequote in macro arguments
7899         with proper quoting.
7901 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
7903         PR middle-end/42233
7904         * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
7906 2010-02-19  Richard Guenther  <rguenther@suse.de>
7908         PR tree-optimization/42944
7909         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
7910         test for aliasing with errno.
7912 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
7914         PR middle-end/42233
7915         * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
7916         do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
7917         * dojump.c: Include output.h.
7918         (inv): New inline function.
7919         (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
7920         do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
7921         do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
7922         do_jump_by_parts_equality, do_compare_and_jump): Add PROB
7923         argument, pass it down to other calls.
7924         (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
7925         add REG_BR_PROB note to the conditional jump.
7926         * cfgexpand.c (add_reg_br_prob_note): Removed.
7927         (expand_gimple_cond): Don't call it, add the probability
7928         as last argument to jumpif_1/jumpifnot_1.
7929         * Makefile.in (dojump.o): Depend on output.h.
7930         * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
7931         callers.
7932         * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
7933         * stmt.c (do_jump_if_equal): Likewise.
7934         * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
7935         * loop-unswitch.c (compare_and_jump_seq): Likewise.
7936         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
7937         Likewise.
7938         * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
7939         * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
7940         jumpifnot_1 callers.
7941         (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
7942         callers.
7943         (store_expr): Adjust jumpifnot caller.
7944         (store_constructor): Adjust jumpif caller.
7946         PR middle-end/42233
7947         * gimplify.c (gimple_boolify): For __builtin_expect call
7948         gimple_boolify also on its first argument.
7950 2010-02-18  Uros Bizjak  <ubizjak@gmail.com>
7952         * configure.ac (gnu-unique-object): Wrap regexps using [] in
7953         changequote block.
7954         (__stack_chk_fail): Ditto.  Remove quadrigraphs.
7955         * configure: Regenerated.
7957 2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7959         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
7960         lang_hooks.types_compatible_p instead of comptypes.
7962 2010-02-18  Sebastian Huber <sebastian.huber@embedded-brains.de>
7964         * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
7965         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
7966         if __prefer_thumb__ is defined.
7968 2010-02-18  Martin Jambor  <mjambor@suse.cz>
7970         PR tree-optimization/43066
7971         * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
7972         array with zero-sized element type.
7974 2010-02-18  Jakub Jelinek  <jakub@redhat.com>
7976         * dwarf2out.c (add_var_loc_to_decl): Change last argument to
7977         rtx, allocate struct var_loc_node here and return it to the
7978         caller, and only if it is actually needed.
7979         (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
7980         move it earlier and return immediately if it returns NULL.
7982 2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>
7984         * config/sparc/gas.h: New file.  Restore
7985         TARGET_ASM_NAMED_SECTION to its ELF default.
7986         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
7987         check !HAVE_GNU_AS.
7988         * config/sparc/sparc.c (sparc_elf_asm_named_section):
7989         Likewise.  Add ATTRIBUTE_UNUSED to prototype.
7990         * config.gcc (sparc*-*-linux*): Include sparc/gas.h
7991         after sparc/sysv4.h.
7993 2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>
7995         * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
7997 2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>
7999         * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
8000         patterns from predicated pattern.
8002 2010-02-17  Uros Bizjak  <ubizjak@gmail.com>
8004         PR target/43103
8005         * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
8006         for insn mnemonic suffix.
8008 2010-02-17  Richard Guenther  <rguenther@suse.de>
8010         * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
8011         to loop PHI nodes.
8013 2010-02-17  Jakub Jelinek  <jakub@redhat.com>
8015         PR debug/42918
8016         * caller-save.c (save_call_clobbered_regs): If BB ends with
8017         a DEBUG_INSN, move any notes in between last real insn and the last
8018         DEBUG_INSN after the last DEBUG_INSN.
8020 2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>
8022         * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
8023         Fix return type.  Fix argument type.  Explain meaning of return value.
8025 2010-02-16  Richard Guenther  <rguenther@suse.de>
8027         PR tree-optimization/41043
8028         * tree-vrp.c  (vrp_var_may_overflow): Only ask SCEV for real loops.
8029         (vrp_visit_assignment_or_call): Do not ask SCEV for regular
8030         statements ...
8031         (vrp_visit_phi_node): ... but only for loop PHI nodes.
8033 2010-02-16  Ira Rosen  <irar@il.ibm.com>
8035         PR tree-optimization/43074
8036         * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
8037         * tree-vect-loop.c (vect_analyze_loop_operations): Add
8038         vectorizable cycles in hybrid SLP check.
8039         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
8041 2010-02-16  Richard Guenther  <rguenther@suse.de>
8043         * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
8044         (true_dependence): If memrefs_conflict_p computes must-alias
8045         trust it.  Move TBAA check after offset-based disambiguation.
8046         (canon_true_dependence): Likewise.
8048 2010-02-16  Alexandre Oliva  <aoliva@redhat.com>
8050         * params.def (PARAM_MAX_VARTRACK_SIZE): New.
8051         * doc/invoke.texi: Document it.
8052         * var-tracking.c: Include toplev.h and params.h.
8053         (vt_find_locations): Return bool indicating success.  Compute
8054         hash sizes unconditionally.  Check new parameter, report.
8055         (variable_tracking_main_1): Check vt_find_locations results and
8056         retry.  Renamed from...
8057         (variable_tracking_main): ... this.  New wrapper to preserve
8058         flag_var_tracking_assignments.
8059         * Makefile.in (var-tracking.o): Adjust dependencies.
8061 2010-02-16  Jack Howarth <howarth@bromo.med.uc.edu>
8062             Jakub Jelinek <jakub@redhat.com>
8064         PR target/42854
8065         * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
8066         if weak_import attribute is present.
8067         * config/darwin.c (machopic_select_section): Likewise.
8069 2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>
8071         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
8072         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
8073         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
8074         (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
8076         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
8077         types.
8079         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
8080         Fix argument types.
8082         * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
8083         Rewrite text to refer to the names.
8085 2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>
8087         * config/i386/i386-builtin-types.def
8088         (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
8089         (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
8090         (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
8091         (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
8092         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
8093         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
8094         IX86_BUILTIN_VPERMIL2PS256.
8095         (MULTI_ARG_4_DF2_DI_I): Defined.
8096         (MULTI_ARG_4_DF2_DI_I1): Defined.
8097         (MULTI_ARG_4_SF2_SI_I): Defined.
8098         (MULTI_ARG_4_SF2_SI_I1): Defined.
8099         (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
8100         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
8101         __builtin_ia32_vpermil2ps256.
8102         (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
8103         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
8104         MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
8105         (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
8106         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
8107         MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
8108         CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
8109         CODE_FOR_xop_vpermil2v8sf3.
8110         * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
8111         * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
8112         * config/i386/xopintrin.h (_mm_permute2_pd): New.
8113         (_mm256_permute2_pd): New.
8114         (_mm_permute2_ps): New.
8115         (_mm256_permute2_ps): New.
8117 2010-02-15  Nick Clifton  <nickc@redhat.com>
8119         * config/h8300/h8300.c (h8300_push_pop): Use bool type for
8120         boolean parameters.  Use emit_jump_insn when emitting a pop
8121         instruction containing a return insn.
8122         (push): Use 'true' rather than '1' as second parameter to F.
8123         (h8300_expand_prologue): Likewise.
8124         Use 'true' and 'false' for boolean parameters to h8300_push_pop.
8125         (h8300_expand_epilogue): Likewise.
8127 2010-02-15  Richard Guenther  <rguenther@suse.de>
8129         PR middle-end/43068
8130         * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
8131         if that is zero.
8133 2010-02-15  Nick Clifton  <nickc@redhat.com>
8135         * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
8136         delta.
8138 2010-02-14  Marco Poletti  <poletti.marco@gmail.com>
8140         * intl.c (fake_ngettext): New function.
8141         * intl.h (fake_ngettext): Declare.
8142         (ngettext): Define macro.
8143         * collect2.c (notice_translated): New function.
8144         (main): Use notice_translated and ngettext.
8145         * collect2.h (notice_translated): Declare.
8147 2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>
8149         * reorg.c (delete_computation): Comment fixes.
8150         * caller-save.c (setup_save_areas): Idem.
8151         * sel-sched-dump.c (dump_lv_set): Idem.
8152         * rtl.def: Idem.
8154 2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8156         * config/s390/s390.c (s390_sched_init): New function.
8157         (TARGET_SCHED_INIT): Target hook defined.
8159 2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
8160             Jack Howarth  <howarth@bromo.med.uc.edu>
8161             Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
8163         PR target/42982
8164         Partial revert of unintended change in fix for PR41605.
8165         * config/darwin.h: Fix typo.
8166         * config/darwin9.h: Same.
8168 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
8170         * c-pch.c (pch_init): Clear v.
8172 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
8174         PR middle-end/42930
8175         * graphite-scop-detection.c (graphite_can_represent_scev): Call
8176         graphite_can_represent_init for MULT_EXPR.
8178 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
8180         PR middle-end/42914
8181         PR middle-end/42530
8182         * graphite-sese-to-poly.c (remove_phi): New.
8183         (translate_scalar_reduction_to_array): Call remove_phi.
8185 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
8187         PR middle-end/42771
8188         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
8189         * graphite-clast-to-gimple.h (gloog): Update declaration.
8190         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
8191         * graphite-poly.h (struct poly_bb): Add missing comments.
8192         (struct scop): Add poly_scop_p field.
8193         (POLY_SCOP_P): New.
8194         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
8195         * graphite.c (graphite_transform_loops): Build the polyhedral
8196         representation for each scop before code generation.
8197         * sese.c (rename_variables_in_operand): Removed.
8198         (rename_variables_in_expr): Return the renamed expression.
8199         (rename_sese_parameters): New.
8200         * sese.h (rename_sese_parameters): Declared.
8202 2010-02-11  Richard Guenther  <rguenther@suse.de>
8204         PR tree-optimization/42998
8205         * tree-ssa-pre.c (create_expression_by_pieces): Treat
8206         POINTER_PLUS_EXPR properly.
8208 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
8209             Changpeng Fang  <changpeng.fang@amd.com>
8211         PR middle-end/40886
8212         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
8213         the cost of an IV candidate when the IV is used in a test against zero.
8215         * gcc.dg/tree-ssa/ivopts-3.c: New.
8217 2010-02-11  Richard Guenther  <rguenther@suse.de>
8219         PR lto/41664
8220         * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
8221         pointer-vs-decl case by swapping refs.  Handle some cases
8222         of pointer-vs-decl disambiguations more conservatively.
8223         * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
8224         to false after expanding.
8226 2010-02-11  Richard Guenther  <rguenther@suse.de>
8228         PR driver/43021
8229         * gcc.c (process_command): Handle LTO file@offset case more
8230         appropriately.
8232 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
8234         * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
8235         modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
8236         of DEBUG_INSNs.
8237         (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
8239         * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
8240         if MEM's mode size isn't DWARF2_ADDR_SIZE.
8241         (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
8242         Optimize eq/ne comparisons when both arguments are known to be
8243         zero-extended.
8244         (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
8245         Don't mask operands unnecessarily if they are known to be already
8246         zero-extended.
8248 2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>
8250         * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
8251         instead of loop.
8253 2010-02-10  Richard Guenther  <rguenther@suse.de>
8255         PR tree-optimization/43017
8256         * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
8257         for wrapping signed arithmetic.
8259 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
8261         PR debug/43010
8262         * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
8263         if no debug info should be emitted for it.
8265 2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8267         * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
8268         note when flag_exceptions is set.
8270 2010-02-10  Duncan Sands  <baldrick@free.fr>
8272         * Makefile.in (PLUGIN_HEADERS): Add debug.h.
8274 2010-02-10  Richard Guenther  <rguenther@suse.de>
8276         PR c/43007
8277         * tree.c (get_unwidened): Handle constants.
8278         * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
8280 2010-02-10  Martin Jambor  <mjambor@suse.cz>
8282         PR lto/42985
8283         * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
8284         check for variable argument counts independently.
8286 2010-02-10  Christian Bruel  <christian.bruel@st.com>
8288         PR target/42841
8289         * config/sh/sh.c (find_barrier): Increase length for non delayed
8290         conditional branches.
8292 2010-02-10  Christian Bruel  <christian.bruel@st.com>
8294         * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
8296 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
8298         * builtins.c (set_builtin_user_assembler_name): Also handle
8299         ffs if int is smaller than word.
8301 2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>
8303         PR middle-end/42973
8304         * ira-conflicts.c (get_dup): Remove.
8305         (process_reg_shuffles): Add new parameter.  Use it as an
8306         additional guard for copy generation.
8307         (add_insn_allocno_copies): Rewrite.
8309 2010-02-09  Alexander Monakov  <amonakov@ispras.ru>
8311         * common.opt (fsched2-use-traces): Preserved for backward
8312         compatibility.
8313         * doc/invoke.texi: Remove the documentation about option
8314         -fsched2-use-traces.
8315         * sched-rgn.c (rest_of_handle_sched2): Remove usage of
8316         flag_sched2_use_traces.
8317         * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
8318         the backward compatibility flag section.
8320 2010-02-09  Richard Guenther  <rguenther@suse.de>
8322         PR tree-optimization/43008
8323         * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
8324         make HEAP variables initialized from global memory if they
8325         are not known builtin functions.
8326         (find_func_aliases): Adjust.
8328 2010-02-09  Richard Guenther  <rguenther@suse.de>
8330         PR tree-optimization/43000
8331         * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
8332         arithmetic manually.
8334 2010-02-08  Jakub Jelinek  <jakub@redhat.com>
8336         PR tree-optimization/42931
8337         * tree-loop-linear.c (try_interchange_loops): Don't call
8338         double_int_mul if estimated_loop_iterations failed.
8340 2010-02-08  Martin Jambor  <mjambor@suse.cz>
8342         PR middle-end/42898
8343         * tree-sra.c (build_accesses_from_assign): Do not mark in
8344         should_scalarize_away_bitmap if stmt has volatile ops.
8345         (sra_modify_assign): Do not process assigns piecemeal if if stmt
8346         has volatile ops.
8348 2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
8350         * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
8352 2010-02-07  Adam Nemet  <adambnmet@gmail.com>
8354         * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
8355         before the pattern.
8357 2010-02-07  Andrew Pinski  <pinskia@gmail.com>
8359         PR middle-end/42946
8360         * df-core.c (df_finish_pass): Change type of saved_flags to int.
8362 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
8364         PR middle-end/42988
8365         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
8366         to unknown_dependence.
8367         (graphite_legal_transform_dr): Handle the unknown_dependence.
8368         (graphite_carried_dependence_level_k): Same.
8370 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
8372         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
8374 2010-02-07  Richard Guenther  <rguenther@suse.de>
8376         PR middle-end/42991
8377         * expr.c (get_inner_reference): Always initialize *pbitsize.
8379 2010-02-07  Richard Guenther  <rguenther@suse.de>
8381         PR middle-end/42956
8382         * gimplify.c (gimple_fold_indirect_ref): Avoid generating
8383         new ARRAY_REFs on variable size element or minimal index arrays.
8384         Complete.
8385         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
8386         gimple_fold_indirect_ref.
8388 2010-02-06  Richard Earnshaw  <rearnsha@arm.com>
8390         PR target/42957
8391         * arm.c (arm_override_options): Just return if the user has specified
8392         an invalid fpu name.
8394 2010-02-03  Jason Merrill  <jason@redhat.com>
8396         PR c++/42870
8397         * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
8398         i386_pe_maybe_record_exported_symbol.
8400 2010-02-05  Steve Ellcey  <sje@cup.hp.com>
8402         PR target/42924
8403         * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8404         (pa_delegitimize_address): New function.
8406 2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
8408         * config/i386/msformat-c.c (ms_printf_length_specs): Set the
8409         scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
8411 2010-02-05  Richard Guenther  <rguenther@suse.de>
8413         PR lto/42762
8414         * lto-streamer-in.c (get_resolution): Deal with references
8415         to undefined functions.
8417 2010-02-05  Richard Guenther  <rguenther@suse.de>
8419         * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
8420         (fold_const_aggregate_ref): Likewise.
8421         (ccp_fold_stmt): Substitute loads.
8422         (maybe_fold_reference): Verify types before substituting.
8423         Unshare properly.
8424         (fold_gimple_assign): Unshare properly.
8425         (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
8427 2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>
8429         * config/rs6000/rs6000.c (rs6000_override_options): Invert check
8430         for rs6000_gen_cell_microcode.
8432 2010-02-04  Richard Guenther  <rguenther@suse.de>
8434         PR rtl-optimization/42952
8435         * dse.c (const_or_frame_p): Remove MEM handling.
8437 2010-02-04  Nick Clifton  <nickc@redhat.com>
8439         * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
8440         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
8441         (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
8442         (mn10300_asm_output_mi_thunk): New function.
8443         (mn10300_can_output_mu_thunk): New function.
8444         * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
8445         (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
8446         (FUNCTION_ARG): Delete incorrect comment.
8448 2010-02-03  Jason Merrill  <jason@redhat.com>
8450         PR c++/40138
8451         * fold-const.c (operand_equal_p): Handle erroneous types.
8453 2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
8455         * config/h8300/h8300.md (can_delay): Fix attibute condition.
8457 2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
8459         PR rtl-optimization/42941
8460         * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
8461         of xmalloc.
8463 2010-02-03  Jason Merrill  <jason@redhat.com>
8465         PR c++/35652
8466         * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
8468 2010-02-03  Alexandre Oliva  <aoliva@redhat.com>
8470         PR debug/42896
8471         * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
8472         (cselib_reset_table): Renamed from...
8473         (cselib_reset_table_with_next_value): ... this.
8474         (cselib_get_next_uid): Renamed from...
8475         (cselib_get_next_unknown_value): ... this.
8476         * cselib.c (next_uid): Renamed from...
8477         (next_unknown_value): ... this.
8478         (cselib_clear_table): Adjust.
8479         (cselib_reset_table): Adjust.  Renamed from...
8480         (cselib_reset_table_with_next_value): ... this.
8481         (cselib_get_next_uid): Adjust.  Renamed from...
8482         (cselib_get_next_unknown_value): ... this.
8483         (get_value_hash): Use hash.
8484         (cselib_hash_rtx): Likewise.
8485         (new_cselib_val): Adjust.  Set and dump uid.
8486         (cselib_lookup_mem): Pass next_uid as hash.
8487         (cselib_subst_to_values): Likewise.
8488         (cselib_log_lookup): Dump uid.
8489         (cselib_lookup): Pass next_uid as hash.  Adjust.
8490         (cselib_process_insn): Adjust.
8491         (cselib_init): Initialize next_uid.
8492         (cselib_finish): Adjust.
8493         (dump_cselib_table): Likewise.
8494         * dse.c (canon_address): Dump value uid.
8495         * print-rtl.c (print_rtx): Print value uid.
8496         * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
8497         (dvuid): New type.
8498         (dv_uid): New function, sort of renamed from...
8499         (dv_htab_hash): ... this, reimplemented in terms of it and...
8500         (dv_uid2hash): ... this.  New.
8501         (variable_htab_eq): Drop excess assertions.
8502         (tie_break_pointers): Removed.
8503         (canon_value_cmp): Compare uids.
8504         (variable_post_merge_New_vals): Print uids.
8505         (vt_add_function_parameters): Adjust.
8506         (vt_initialize): Reset table.  Adjust.
8508 2010-02-03  Richard Guenther  <rguenther@suse.de>
8510         PR tree-optimization/42944
8511         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
8512         (call_may_clobber_ref_p_1): Likewise.  Properly handle
8513         malloc and calloc clobbering errno.
8515 2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>
8517         * doc/invoke.texi: Fix name of sched1 dump.
8519         * opts.c (decode_options): Set flag_tree_switch_conversion
8520         only conditionally on optimize >= 2.
8522         * gcse.c: Assorted comment fixes in pass description.
8524 2010-02-03  Anthony Green  <green@moxielogic.com>
8526         * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
8527         nop padding in order to maintain alignment of storage location of
8528         target function address.
8529         (moxie_trampoline_init): Store target function address at newly
8530         aligned location.
8531         * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
8532         to 32.
8533         (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
8535 2010-02-03  Richard Guenther  <rguenther@suse.de>
8537         PR middle-end/42927
8538         * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
8540 2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8542         * config.gcc: Reenable check for obsolete targets.
8543         Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
8544         mips-sgi-irix6.[0-4]*.
8546 2010-02-02  Nick Clifton  <nickc@redhat.com>
8548         * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
8549         constant size of 4 as being the same as 0.
8550         * doc/invoke.texi (RX Options): Document that -mmax-constant-size
8551         can take values in the range 0..4.
8553 2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
8555         PR java/41991
8556         * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
8557         as _darwin10_Unwind_FindEnclosingFunction().
8558         * libgcc-libsystem.ver: New.
8560 2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
8562         PR target/41399
8563         * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
8564         implicitly set registers.
8566 2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
8568         * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
8569         (arm_override_options): Allow automatic selection of the thread
8570         pointer register if thumb2.
8571         (legitimize_pic_address): Improve code sequences for Thumb2.
8572         (arm_call_tls_get_addr): Likewise.
8573         (legitimize_tls_address): Likewise.
8574         * arm.md (pic_load_addr_arm): Delete.  Replace with ...
8575         (pic_load_addr_32bit): ... this.  New named pattern.
8576         * thumb2.md (pic_load_addr_thumb2): Delete.
8577         (pic_load_dot_plus_four): Delete.
8578         (tls_load_dot_plus_four): New named pattern.
8580 2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8582         PR libgomp/29986
8583         * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
8584         Document fix for TLS bug.
8586 2010-01-31  Richard Guenther  <rguenther@suse.de>
8588         * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
8589         conservatively correct.
8591 2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8593         PR target/42850
8594         Revert:
8595         2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8597         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8599 2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8601         * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
8603 2010-01-31  Kai Tietz  <kai.tietz@onevision.com>
8605         * config.gcc: Adjust order of makefile fragments for mingw targets.
8607 2010-01-31  Richard Guenther  <rguenther@suse.de>
8609         PR middle-end/42898
8610         * gimplify.c (gimplify_init_constructor): For volatile LHS
8611         initialize a temporary.
8613 2010-01-31  Matthias Klose  <doko@ubuntu.com>
8615         * configure.ac: Fix __stack_chk_fail check for cross builds configured
8616         --with-headers
8617         * configure: Regenerate.
8619 2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>
8621         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
8622         the same alias set and their sizes different constantness.
8623         (aliasing_component_refs_p): Revert 2009-10-24 change.
8625 2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8627         * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
8628         unused.
8630 2010-01-29  Richard Guenther  <rguenther@suse.de>
8632         * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
8633         Assert we successfully updated the call.
8635 2010-01-29  Jakub Jelinek  <jakub@redhat.com>
8637         PR rtl-optimization/42889
8638         * df.h (df_set_bb_dirty_nonlr): New prototype.
8639         * df-core.c (df_set_bb_dirty_nonlr): New function.
8640         * df-scan.c (df_insn_rescan): Call it instead of
8641         df_set_bb_dirty for DEBUG_INSNs.
8643 2010-01-29  Richard Guenther  <rguenther@suse.de>
8645         PR middle-end/37448
8646         * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
8647         quadratic behavior in most cases.
8649 2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
8651         PR target/42891
8652         * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
8653         in the call to gen_x86_movsicc_0_m1.
8655 2010-01-28  Richard Guenther  <rguenther@suse.de>
8657         PR tree-optimization/42871
8658         * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
8660 2010-01-28  Richard Guenther  <rguenther@suse.de>
8662         * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
8663         into call arguments.
8665 2010-01-28  Richard Guenther  <rguenther@suse.de>
8667         PR middle-end/42883
8668         * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
8669         the forwarder if the destination is an EH landing pad.
8671 2010-01-28  Razya Ladelsky  <razya@il.ibm.com>
8673         * tree-parloops.c (transform_to_exit_first_loop): Update the basic
8674         block list passed to gimple_duplicate_sese_tail.
8675         (parallelize_loops): Avoid parallelization when the function
8676         has_nonlocal_label.
8677         Avoid parallelization when the preheader is IRREDUCIBLE.
8678         Try to optimize when estimated_loop_iterations_int is unresolved.
8679         Add the loop's location to the dump file.
8680         * tree-cfg.c (add_phi_args_after_redirect): Remove.
8681         (gimple_duplicate_sese_tail): Remove the check for the latch.
8682         Redirect nexits to the exit block.
8683         Remove handling of the incoming edges to the latch.
8684         Redirect the backedge from the copied latch to the exit bb.
8686 2010-01-28  Michael Matz  <matz@suse.de>
8688         PR target/42881
8689         * config/i386/i386.c (ix86_expand_vector_init_duplicate):
8690         Wrap force_reg into a sequence, emit it before user.
8692 2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>
8694         * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
8695         (arm_rev): New.
8696         (arm_legacy_rev): Likewise.
8697         (thumb_legacy_rev): Likewise.
8699 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
8701         * dwarf2out.c (mem_loc_descriptor): Remove special casing of
8702         CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
8703         on MEM's address failed, try avoid_constant_pool_reference and
8704         recurse if it returned something different.
8705         (loc_descriptor): If for MEM mem_loc_descriptor failed on the
8706         address, try avoid_constant_pool_reference and recurse if it
8707         returned something different.
8708         (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
8709         address and avoid_constant_pool_reference returned something
8710         different, don't set have_address.
8712 2010-01-27  Alexandre Oliva  <aoliva@redhat.com>
8714         PR debug/42861
8715         * var-tracking.c (val_store): Add modified argument, obey it.
8716         Adjust callers.
8717         (count_uses): Move down logging of main.
8718         (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
8719         don't need resolution.
8720         (emit_notes_in_bb): Likewise.
8722 2010-01-27  Richard Guenther  <rguenther@suse.de>
8724         PR middle-end/42878
8725         * tree-inline.c (remap_decl): Delay remapping of SSA name
8726         default definitions until we need them.
8728 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
8730         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8731         (rs6000_delegitimize_address): New function.
8733         * config/s390/s390.c (s390_delegitimize_address): Call
8734         delegitimize_mem_from_attrs.
8736         PR middle-end/42874
8737         * tree-inline.c (cannot_copy_type_1): Removed.
8738         (copy_forbidden): Don't forbid copying of functions containing
8739         records/unions with variable length fields.
8741 2010-01-27  Christian Bruel  <christian.bruel@st.com>
8743         Revert:
8744         PR target/42841
8745         * config/sh/sh.c (find_barrier): Increase length for non delayed
8746         conditional branches.
8748 2010-01-27  Matthias Klose  <doko@ubuntu.com>
8750         * configure.ac (gnu-unique-object): Fix ldd version check.
8751         * configure: Regenerate.
8753 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8755         * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
8756         HAVE_GNU_AS value.
8757         * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
8758         Test for HAVE_GNU_AS value.
8760 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8762         * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
8763         * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
8764         INT64_TYPE): Define.
8765         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
8766         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8767         INT_LEAST64_TYPE): Define.
8768         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
8769         UINT_LEAST64_TYPE): Define.
8770         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
8771         INT_FAST64_TYPE): Define.
8772         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8773         UINT_FAST64_TYPE): Define.
8774         (INTMAX_TYPE, UINTMAX_TYPE): Define.
8775         (INTPTR_TYPE, UINTPTR_TYPE): Define.
8776         (SIG_ATOMIC_TYPE): Define.
8778 2010-01-26  Richard Guenther  <rguenther@suse.de>
8780         * df-scan.c (df_scan_set_bb_info): Remove assert.
8781         (df_insn_rescan_debug_internal): Merge asserts.
8782         (df_install_ref): Likewise.
8783         (df_mark_reg): Use bitmap_set_range.
8784         (df_hard_reg_used_p): Remove assert.
8785         (df_hard_reg_used_count): Likewise.
8787 2010-01-26  Richard Guenther  <rguenther@suse.de>
8789         PR rtl-optimization/42685
8790         * web.c (web_main): Ignore DEBUG_INSNs.
8792 2010-01-26  Joern Rennecke  <amylaar@spamcop.net>
8794         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
8796         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
8797         Fix types of fndecl and arglist parameters.
8799 2010-01-26  Richard Guenther  <rguenther@suse.de>
8801         PR middle-end/42806
8802         * tree-eh.c (unsplit_eh): Skip debug insns.
8804 2010-01-26  Richard Guenther  <rguenther@suse.de>
8806         PR tree-optimization/42250
8807         * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
8809 2010-01-26  Jakub Jelinek  <jakub@redhat.com>
8811         PR fortran/42866
8812         * omp-low.c (expand_omp_sections): Only use single_pred if
8813         l2_bb is single_pred_p.
8815 2010-01-25  Christian Bruel  <christian.bruel@st.com>
8817         PR target/42841
8818         * config/sh/sh.c (find_barrier): Increase length for non delayed
8819         conditional branches.
8820         (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
8822 2010-01-24  David S. Miller  <davem@davemloft.net>
8824         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
8825         define if not using GAS.
8826         * config/sparc/sparc.c (sparc_elf_asm_named_section):
8827         Likewise.  Delete SECTION_MERGE code, which is only applicable
8828         when using GAS.
8830 2010-01-24  Mark Mitchell  <mark@codesourcery.com>
8832         PR c++/42748
8833         * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
8834         mangling of va_list in system headers.
8836 2010-01-23  Toon Moene  <toon@moene.org>
8838         * tree-predcom.c (combine_chains): Return NULL, not false.
8840 2010-01-23  Joern Rennecke  <amylaar@spamcop.net>
8842         * tree-loop-distribution.c (distribute_loop): Fix declaration and
8843         initialization of variable res to agree with return type.
8845 2010-01-22  Steve Ellcey  <sje@cup.hp.com>
8847         * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
8848         * tree-sra.c: Add include of expr.h.
8850 2010-01-22  Jakub Jelinek  <jakub@redhat.com>
8852         * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
8853         insert the debug stmt on the single non-EH edge from the stmt.
8855 2010-01-22  Richard Henderson  <rth@redhat.com>
8857         PR tree-opt/42833
8858         * tree-sra.c (sra_modify_assign): Delay re-gimplification of
8859         the RHS until after generate_subtree_copies has insertted its
8860         code before the current statement.
8862 2010-01-22  Joern Rennecke  <amylaar@spamcop.net>
8864         * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
8866         * gcc-plugin.h (plugin_init): Use "C" likage for c++.
8868 2010-01-21  Martin Jambor  <mjambor@suse.cz>
8870         PR tree-optimization/42585
8871         * tree-sra.c (struct access): New field grp_total_scalarization.
8872         (dump_access): Dump the new field.
8873         (should_scalarize_away_bitmap): New variable.
8874         (cannot_scalarize_away_bitmap): Likewise.
8875         (sra_initialize): Allocate new bitmaps.
8876         (sra_deinitialize): Free new bitmaps.
8877         (create_access_1): New function.
8878         (create_access): Parts moved to create_access_1.
8879         (type_consists_of_records_p): New function.
8880         (completely_scalarize_record): Likewise.
8881         (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
8882         (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
8883         (sort_and_splice_var_accesses): Hint groups with a total_scalarization
8884         access.
8885         (analyze_all_variable_accesses): Completely scalarize small eligible
8886         records.
8888 2010-01-21  Martin Jambor  <mjambor@suse.cz>
8890         * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
8892 2010-01-21  Andrew Haley  <aph@redhat.com>
8894         * gcc.c (process_command): Move lang_specific_driver before
8895         setting cc_libexec_prefix.
8897 2010-01-21  Richard Guenther  <rguenther@suse.de>
8899         PR middle-end/19988
8900         * fold-const.c (negate_expr_p): Pretend only negative
8901         real constants are easily negatable.
8903 2010-01-20  Janis Johnson  <janis187@us.ibm.com>
8904             Jason Merrill  <jason@redhat.com>
8906         * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
8907         (TYPE_TRANSPARENT_AGGR): this, for union and record.
8908         * calls.c (initialize argument_information): Handle it.
8909         * c-common.c (handle_transparent_union_attribute): Use new name.
8910         * c-decl.c (finish_struct): Ditto.
8911         * c-typeck.c (type_lists_compatible_p): Ditto.
8912         (convert_for_assignment): Use new name and also handle record.
8913         * function.c (aggregate_value_p): Handle it.
8914         (pass_by_reference): Ditto.
8915         (assign_parm_data_types): Ditto.
8916         * print-tree.c (print_node): Ditto.
8917         * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
8918         * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
8919         * tree.c (first_field): New fn.
8921 2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
8923         PR target/42818
8924         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
8925         even when linking statically, for now.
8927 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
8929         PR debug/42715
8930         * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
8931         without a cselib val.
8932         (count_uses): Accept MO_VAL_SET with no val on stores.
8933         (add_stores): Likewise.
8935 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
8937         * var-tracking.c (check_value_val): Add a compile time assertion.
8938         (dv_is_decl_p): Simplify.
8939         (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
8940         gcc_assert if ENABLE_CHECKING.
8942 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
8944         PR debug/42782
8945         * var-tracking.c: Include tree-flow.h.
8946         (mem_dies_at_call): New.
8947         (dataflow_set_preserve_mem_locs): Use it.
8948         (dataflow_set_remove_mem_locs): Likewise.
8949         (dump_var): Renamed from dump_variable.  Adjust all callers.
8950         (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
8951         * Makefile.in (var-tracking.o): Adjust deps.
8953 2010-01-20  Joern Rennecke  <amylaar@spamcop.net>
8955         * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
8957 2010-01-20  Richard Guenther  <rguenther@suse.de>
8959         PR tree-optimization/42717
8960         * tree-ssa-dce.c (get_live_post_dom): Remove.
8961         (forward_edge_to_pdom): Take an arbitrary edge to copy
8962         degenerate PHI args from.
8963         (remove_dead_stmt): Use the first post-dominator even if it
8964         does not contain live statements as redirection destination.
8966 2010-01-20  Richard Guenther  <rguenther@suse.de>
8968         * tree-inline.c (estimate_num_insns): Handle EH builtins.
8970 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
8972         * sel-sched.c (create_speculation_check): Remove set but not used
8973         variable twin.
8974         (try_transformation_cache): Remove set but not used variable ds.
8975         (calculate_privileged_insns): Remove set but not used variables
8976         cur_insn and min_spec_insn.
8977         (find_best_expr): Remove set but not used variable avail_n.
8978         * tree-predcom.c (base_names_in_chain_on): Remove set but not used
8979         variable e.
8980         * cgraphunit.c (assemble_thunk): Remove set but not used variable
8981         false_label.
8982         * haifa-sched.c (remove_notes): Remove set but not used variable prev.
8983         * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
8984         new_scop_exit_edge.
8986 2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>
8988         PR bootstrap/42786
8989         * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
8990         cpu types.  Add support for *-sse3 cpu types.
8991         (x86_64-*-*): Ditto.
8993 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
8995         PR middle-end/42803
8996         * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
8997         argument, call initializer_constant_valid_p_1 instead of
8998         initializer_constant_valid_p, pass CACHE to it, return NULL
8999         immediately if first call returns NULL.
9000         (initializer_constant_valid_p_1): New function.
9001         (initializer_constant_valid_p): Use it.
9003 2010-01-20  Thomas Quinot  <quinot@adacore.com>
9005         * tree.def (PLACEHOLDER_EXPR): Fix comment.
9007 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
9009         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
9010         of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
9011         (loc_list_from_tree): Don't handle unsigned division.  Handle
9012         signed modulo using DW_OP_{over,over,div,mul,minus}.
9013         * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
9014         modulo instead of signed.
9016 2010-01-20  DJ Delorie  <dj@redhat.com>
9018         * config/h8300/h8300.c (F): Add "in_epilogue" flag.
9019         (Fpa): Pass it
9020         (h8300_emit_stack_adjustment): Propogate it.
9021         (push): Pass it.
9022         (h8300_expand_prologue): Likewise.
9023         (h8300_expand_epilogue): Likewise.
9025 2010-01-19  Michael Matz  <matz@suse.de>
9027         PR tree-optimization/41783
9028         * tree-data-ref.c (toplevel): Include flags.h.
9029         (dump_data_dependence_relation):  Also dump the inputs if the
9030         result will be unknown.
9031         (split_constant_offset_1): Look through some conversions.
9032         * tree-predcom.c (determine_roots_comp): Restart a new chain if
9033         the offset from last element is too large.
9034         (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
9035         (reassociate_to_the_same_stmt): Handle vector registers.
9036         * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
9037         (e.g. conversions).
9038         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
9039         wide_prolog_niters argument, emit widening instructions.
9040         (vect_do_peeling_for_alignment): Adjust caller, use widened
9041         variant of the iteration cound.
9042         * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
9044 2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9046         PR target/38697
9047         * config/arm/neon-testgen.m (emit_automatics): New parameter
9048         features. Adjust for Fixed_return_reg feature.
9049         (test_intrinsic): Call emit_automatics with new feature.
9050         * config/arm/neon.ml: Update copyright years.
9051         (features): New Fixed_return_reg feature.
9052         (ops): Update feature for Vget_low.
9054 2010-01-19  Jakub Jelinek  <jakub@redhat.com>
9056         PR tree-optimization/42719
9057         * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
9058         stmt uses.
9060         PR debug/42728
9061         * fwprop.c (all_uses_available_at): Return false if def_set dest
9062         is a REG that is used in def_insn.
9064 2010-01-19  Joern Rennecke  <amylaar@spamcop.net>
9066         * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
9068         (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
9069         Add argument names.
9071         (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
9073         * target.h (struct gcc_target) <secondary_reload>: Change type
9074         of last argument to secondary_reload_info *.
9076 2010-01-18  Uros Bizjak  <ubizjak@gmail.com>
9078         PR target/42774
9079         * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
9080         memory references with unaligned offsets.  Remove CQImode handling.
9081         (unaligned_memory_operand): Return 1 for memory references with
9082         unaligned offsets.  Remove CQImode handling.
9084 2010-01-18  Richard Guenther  <rguenther@suse.de>
9086         PR middle-end/39954
9087         * cfgexpand.c (expand_call_stmt): TER pointer arguments in
9088         builtin calls.
9090 2010-01-18  Richard Guenther  <rguenther@suse.de>
9092         PR tree-optimization/42781
9093         * tree-ssa-structalias.c (find_what_var_points_to): Skip
9094         restrict processing only if the original variable was artificial.
9096 2010-01-18  Joern Rennecke  <amylaar@spamcop.net>
9098         * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
9099         find number of popped argument bytes.
9101         (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
9102         Fix the text that describes the return value for invalid insns.
9104         (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.
9106         (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
9107         Clarify what 'cost of the -dependence' is.  Fix quoting.
9109         * toplev.c (default_get_pch_validity): Rename argument to "sz".
9110         * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
9112 2010-01-17  Jakub Jelinek  <jakub@redhat.com>
9114         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
9115         {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
9117 2010-01-17  Richard Guenther  <rguenther@suse.de>
9119         PR middle-end/42248
9120         * function.c (split_complex_args): Take a VEC to modify.
9121         (assign_parms_augmented_arg_list): Build a VEC instead of
9122         a chain of PARM_DECLs.
9123         (assign_parms_unsplit_complex): Take a VEC of arguments.
9124         Do not fixup unmodified parms.
9125         (assign_parms): Deal with the VEC.
9126         (gimplify_parameters): Likewise.
9128 2010-01-17  Richard Guenther  <rguenther@suse.de>
9130         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
9131         node existence check.
9132         * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
9133         * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
9134         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
9135         * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
9136         (gimple_execute_on_growing_pred): Likewise.
9138 2010-01-17  Richard Guenther  <rguenther@suse.de>
9140         PR tree-optimization/42773
9141         * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
9142         (compute_antic_aux): Likewise.
9143         (compute_partial_antic_aux): Likewise.
9145 2010-01-17  Jie Zhang  <jie.zhang@analog.com>
9147         PR debug/42767
9148         * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
9149         and US_TRUNCATE.
9151 2010-01-17  Joern Rennecke  <amylaar@spamcop.net>
9153         * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
9154         appearance.
9156         (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
9157         Fix markup for strict argument.
9159         (TARGET_SCHED_REORDER2): Fix argument types.
9161         (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
9162         (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
9164         (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
9165         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
9167         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
9168         Add argument name.
9170         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
9171         (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
9172         (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
9173         (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
9174         (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
9176         (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
9178         (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
9180         (TARGET_ASM_RELOC_RW_MASK): Add return type.
9181         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
9183         (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
9185         (TARGET_ASM_FILE_START): Put @findex before paragraph start.
9186         Use prototype.
9188         (TARGET_ASM_NAMED_SECTION): Fix argument list.
9190         (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
9191         (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
9193         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
9195         (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
9197         (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
9198         referring to it.  Fix language.
9200         (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
9202         (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
9204         (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
9206         (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
9208         (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
9209         '@var{stream}.  Remove stray 'and'.
9211         (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
9213         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
9215         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
9217         (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
9218         misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
9220         (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
9221         Fix description of return value.
9222         Rename argument "sz" to "len."
9224         (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
9225         Clarify meaning of 'true' return value.
9227         (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
9229         (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
9230         rep_mode versus mode_rep.
9232         (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
9234         (TARGET_BUILTIN_DECL): Fix name.
9236         (TARGET_COMMUTATIVE_P): Fix type of first argument.
9238         (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
9240         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
9242         (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
9244         (TARGET_RELAXED_ORDERING): Use @deftypevr.
9246         (TARGET_GET_DRAP_RTX): Note that this is a hook.
9247         Clarify language.
9249         (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
9250         Rename argument tm_fn to md_fn.
9252         (TARGET_OPTION_PRINT): Fix argument list.
9254 2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>
9256         PR target/42664
9257         * config/i386/i386.c (ix86_fixup_binary_operands):
9258         Revert FMA4 fixup of operands.
9260 2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9262         PR gcc/42525
9263         * Makefile.in (write_entries_to_file, install-plugin):
9264         Use \012 instead of \n with tr.
9266 2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
9268         * configure.ac (HAVE_AS_REF): New C macro.
9269         * configure: Regenerate.
9270         * config.in: Likewise.
9271         * collect2.c (main): Only postpone SCAN_DWEH to the second pass
9272         if HAVE_AS_REF.
9273         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
9274         if HAVE_AS_REF.
9276 2010-01-16  Joern Rennecke  <amylaar@spamcop.net>
9278         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
9280         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
9282         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
9284         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
9286         (TARGET_IN_SMALL_DATA_P): Fix argument type.
9288         (TARGET_BINDS_LOCAL_P): Fix argument type.
9290         (TARGET_ASM_FILE_END): Use prototype.
9292         (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
9294         (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
9296         (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
9298         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
9300         (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
9301         (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
9303         (TARGET_PCH_VALID_P): Put 'const char *' in braces.
9304         (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
9306         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
9307         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
9308         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
9309         (TARGET_ADDR_SPACE_CONVERT): Likewise.
9311         (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
9313         (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
9315         (TARGET_INIT_BUILTINS): Use prototype.
9317         (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9318         Put 'const char *' in braces.  Fix parameter types.
9319         (TARGET_INVALID_CONVERSION): Fix parameter types.
9320         (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
9321         (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
9323         (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
9324         Fix argument type.
9326         (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
9328         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
9330 2010-01-15  Joern Rennecke  <amylaar@spamcop.net>
9332         * doc/tm.texi (TARGET_HELP): Fix return type.
9334         (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
9335         in braces.  Fix argument types.
9337         (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
9339         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
9341         (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
9343         (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
9344         (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
9346         (TARGET_MANGLE_TYPE): Fix argument types.
9348         (TARGET_IRA_COVER_CLASSES): Use prototype.
9350         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.
9352         (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
9354         (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
9356         (TARGET_MUST_PASS_IN_STACK): Fix argument type.
9358         (TARGET_CALLEE_COPIES): Fix argument types.
9360         (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
9362         (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
9364         (TARGET_FUNCTION_VALUE): Fix argument types.
9366         (TARGET_RETURN_IN_MSB): Fix argument type.
9368         (TARGET_RETURN_IN_MEMORY): Fix argument types.
9370         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
9372         (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
9374         (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
9375         agree with return type.
9377         (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
9379 2010-01-15  Jing Yu  <jingyu@google.com>
9381         PR rtl-optimization/42691
9382         * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
9383         a pseudo to a constant and are merged, and adjust comments.
9385 2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>
9387         * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
9389 2010-01-15  Richard Guenther  <rguenther@suse.de>
9391         PR middle-end/42739
9392         * tree-cfgcleanup.c (remove_forwarder_block): Move destination
9393         labels of computed or non-local gotos to the destination.
9394         * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
9395         landing pad label is the first label.
9397 2010-01-15  Richard Guenther  <rguenther@suse.de>
9399         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
9401 2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
9403         PR target/42747
9404         * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
9405         to allow generation of the xssqrtdp instruction on power7.
9406         (sqrtdf2_fpr): Ditto.
9408 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
9410         PR middle-end/42674
9411         * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
9412         functions with noreturn attribute.
9414         PR c++/42608
9415         * varasm.c (declare_weak): Add weak attribute to decl if it
9416         doesn't have one already.
9417         (assemble_external): Only add decls to weak_decls if they also
9418         have weak attribute.
9420 2010-01-14  Alexandre Oliva  <aoliva@redhat.com>
9422         * var-tracking.c (var_reg_delete): Don't delete the association
9423         between REGs and values or one-part variables if the register
9424         isn't clobbered.
9426 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
9428         PR debug/42657
9429         * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
9430         because its first operand is a non-localized variable.
9432 2010-01-14  Martin Jambor  <mjambor@suse.cz>
9434         PR tree-optimization/42706
9435         * tree-sra.c (encountered_recursive_call): New variable.
9436         (encountered_unchangable_recursive_call): Likewise.
9437         (sra_initialize): Initialize both new variables.
9438         (callsite_has_enough_arguments_p): New function.
9439         (scan_function): Call decl and flags check only for IPA-SRA, check
9440         whether there is a recursive call and whether it has enough arguments.
9441         (all_callers_have_enough_arguments_p): New function.
9442         (convert_callers): Look for recursive calls only when
9443         encountered_recursive_call is set.
9444         (ipa_early_sra): Bail out either if
9445         !all_callers_have_enough_arguments_p or
9446         encountered_unchangable_recursive_call.
9448 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9450         * sel-sched.c: Add 2010 to copyright years.
9451         * sel-sched-ir.c: Likewise.
9452         * sel-sched-ir.h: Likewise.
9454 2010-01-14  Martin Jambor  <mjambor@suse.cz>
9456         PR tree-optimization/42714
9457         * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
9458         constructors specially.
9460 2010-01-14  Andi Kleen  <ak@linux.intel.com>
9462         * config/i386/drivers-i386.c (detect_caches_intel):
9463         Add l2sizekb parameter and fill in.
9464         (host_detect_local_cpu): Add l2sizekb, fill in.
9465         Add Atom small cache heuristic.
9467 2010-01-14  Andi Kleen  <ak@linux.intel.com>
9469         * config/i386/drivers-i386.c (detect_caches_cpuid4):
9470         Add level3 parameter and fill in.
9471         (detect_caches_intel): Handle level3 cache.
9473 2010-01-14  Andi Kleen  <ak@linux.intel.com>
9475         * config/i386/drivers-i386.c (host_detect_local_cpu):
9476         Fix core duo detection.
9478 2010-01-14  Andi Kleen  <ak@linux.intel.com>
9480         * config/i386/drivers-i386.c (host_detect_local_cpu):
9481         Fix Atom detection.
9483 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9485         * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
9486         (rs6000_variable_issue_1): this.  Use...
9487         (rs6000_variable_issue): here.  Reimplement.  Print debug info.
9489 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9491         * sel-sched-ir.c (sel_restore_other_notes): Rename to
9492         sel_restore_notes.  Update all callers.  Call reemit_notes
9493         for all insns.
9495 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
9497         PR rtl-optimization/42246
9498         * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
9499         loops.
9501 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
9503         * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
9504         all successors is the same as number of successors in current region.
9506 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9508         * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
9509         to rename is not separable.  Otherwise check that its LHS is not NULL.
9511 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9513         * sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.
9515 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9517         * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
9518         available registers when failed to discover LHS register class.
9519         Fix indentation.  Update comment.
9521 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
9522             Alexander Monakov  <amonakov@ispras.ru>
9524         PR rtl-optimization/42389
9525         * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
9526         to can_issue_more.
9527         (advance_state_on_fence): Likewise.
9528         (sel_target_adjust_priority): Print debug output only when
9529         sched_verbose >= 4, not 2.
9530         (get_expr_cost): Do not issue all unique insns on the next cycle.
9531         (fill_insns): Initialize can_issue_more from the value saved
9532         with the fence.
9533         * sel-sched-ir.c (flist_add): New parameter issue_more.
9534         Init FENCE_ISSUE_MORE with it.
9535         (merge_fences): Likewise.
9536         (init_fences): Update call to flist_add.
9537         (add_to_fences, add_clean_fence_to_fences)
9538         (add_dirty_fence_to_fences): Likewise.
9539         (move_fence_to_fences): Update call to merge_fences.
9540         (invoke_reorder_hooks): Do not reset can_issue_more on insns from
9541         sched groups.
9542         * sel-sched-ir.h (struct _fence): New field issue_more.
9543         (FENCE_ISSUE_MORE): New accessor macro.
9545 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
9547         PR rtl-optimization/42388
9548         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
9549         that have no predecessors nor successors.  Do not call move_bb_info
9550         for empty blocks outside of current region.
9552 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9554         PR rtl-optimization/42294
9555         * sel-sched-ir.h (struct _sel_insn_data): Update comment.
9556         * sel-sched.c (move_exprs_to_boundary): Transitively add all
9557         originators' originators.
9559 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
9561         PR rtl-optimization/39453
9562         PR rtl-optimization/42246
9563         * sel-sched-ir.c (considered_for_pipelining_p): Do not test
9564         for pipelining_p.
9565         (sel_add_loop_preheaders): Add preheader to last_added_blocks.
9567 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
9568             Alexander Monakov  <amonakov@ispras.ru>
9570         PR middle-end/42245
9571         * sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
9572         (maybe_tidy_empty_bb): ... here.  Make static.  Add new
9573         argument.  Update all callers.
9574         (tidy_control_flow): ... and here.  Recompute topological order
9575         of basic blocks in region if necessary.
9576         (sel_redirect_edge_and_branch): Change return type.  Return true
9577         if topological order might have been invalidated.
9578         (purge_empty_blocks): Export and move from...
9579         * sel-sched.c (purge_empty_blocks): ... here.
9580         * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
9581         (maybe_tidy_empty_bb): Delete prototype.
9582         (purge_empty_blocks): Declare.
9584 2010-01-14  Andrey Belevantsev <abel@ispras.ru>
9586         PR rtl-optimization/42249
9587         * sel-sched.c (try_replace_dest_reg): When chosen register
9588         and original register is the same, do not bail out early, but
9589         still check all original insns for validity of replacing destination
9590         register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
9591         in this case.
9593 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
9595         PR c/42721
9596         Port from no-undefined-overflow branch:
9597         2009-03-09  Richard Guenther  <rguenther@suse.de>
9599         * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
9601 2010-01-14  Richard Guenther  <rguenther@suse.de>
9603         PR lto/42665
9604         * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
9606 2010-01-14  Ira Rosen  <irar@il.ibm.com>
9608         PR tree-optimization/42709
9609         * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
9610         as scalar type in creation of constant vector operand.
9612 2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9614         PR testsuite/42414
9615         * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
9616         (check-parallel-%): Match `testsuite' directory component only
9617         at the end.
9619 2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>
9621         PR translation/39521
9622         * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
9623         strings with _().
9625 2010-01-13  Richard Guenther  <rguenther@suse.de>
9627         PR tree-optimization/42730
9628         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
9629         offset zero.
9631 2010-01-13  Steve Ellcey  <sje@cup.hp.com>
9633         PR target/pr42542
9634         * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
9635         for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
9636         them signed.
9638 2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9640         * config/bfin/libgcc-bfin.ver: Regenerate based on current
9641         libgcc-std.ver.  Add entries for ___smulsi3_highpart and
9642         ___umulsi3_highpart.
9644         * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
9645         rather than schedule_insns if the pass is enabled.
9647 2010-01-13  Martin Jambor  <mjambor@suse.cz>
9649         PR tree-optimization/42704
9650         * tree-sra.c (sra_modify_assign): Do not delete assignments to
9651         SSA_NAMEs.
9653 2010-01-13  Martin Jambor  <mjambor@suse.cz>
9655         PR tree-optimization/42703
9656         * tree-sra.c (analyze_access_subtree): Check that we can build a
9657         reference to the original data within the aggregate.
9659 2010-01-13  Richard Guenther  <rguenther@suse.de>
9661         PR tree-optimization/42705
9662         * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
9664 2010-01-13  Richard Guenther  <rguenther@suse.de>
9666         PR middle-end/42716
9667         * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
9669 2010-01-13  Jakub Jelinek  <jakub@redhat.com>
9671         PR debug/41371
9672         * var-tracking.c (values_to_unmark): New variable.
9673         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
9674         values_to_unmark vector.  Moved body to...
9675         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
9676         instead queue it into values_to_unmark vector.
9677         (vt_find_locations): Free values_to_unmark vector.
9679 2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>
9681         * config/s390/s390.c (override_options): Set
9682         default of max-pending-list-length to 256
9684 2010-01-13  Richard Guenther  <rguenther@suse.de>
9686         PR lto/42678
9687         * tree-pass.h (PROP_gimple_lcx): New.
9688         * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
9689         * passes.c (init_optimization_passes): Move pass_lower_complex_O0
9690         before the final cleanup_eh.
9691         (dump_properties): Dump PROP_gimple_lcx.
9692         * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
9693         (tree_lower_complex_O0): Remove.
9694         (gate_no_optimization): Run if PROP_gimple_lcx is not set.
9695         (pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
9696         tree_lower_complex, schedule TODO_update_ssa.
9697         * lto-streamer-out.c (output_function): Stream the functions
9698         properties.
9699         * lto-streamer-in.c (input_function): Likewise.
9700         (lto_read_body): Do not override them here.
9702 2010-01-12  Joseph Myers  <joseph@codesourcery.com>
9704         PR c/42708
9705         * c-typeck.c (build_c_cast): Fold value cast to union type before
9706         wrapping it in a CONSTRUCTOR.
9708 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
9710         PR rtl-optimization/42699
9711         * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
9712         involved.
9714 2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9716         * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9717         SUBTARGET_WARN_UNUSED_SPEC): Move ...
9718         config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9719         SUBTARGET_WARN_UNUSED_SPEC): ... here
9720         * config/mips/iris5.h (LIBGCC_SPEC): Define.
9722 2010-01-12  Julian Brown  <julian@codesourcery.com>
9724         * config/arm/neon-schedgen.ml (Utils): Don't try to
9725         open missing module.
9726         (find_with_result): New.
9728 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
9730         PR debug/42662
9731         * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
9732         sharing when canonicalizing ({lt,ge}u (plus a b) b).
9734         PR tree-optimization/42645
9735         * tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
9736         (remap_ssa_name): If processing_debug_stmt and name wasn't found in
9737         decl_map, set processing_debug_stmt to -1 and return name without
9738         any remapping.
9740 2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>
9742         * doc/install.texi (Specific#x-x-cygwin): Document minimum required
9743         binutils version, and reword target configuration description.
9745 2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
9747         * config/avr/avr.h (LINKER_NAME): Remove.
9749 2010-01-11  Janis Johnson  <janis187@us.ibm.com>
9751         PR target/42416
9752         * config/rs6000/rs6000.c (rs6000_override_options): On targets
9753         that support VSX, warn for -mno-altivec if vsx is not disabled,
9754         and disable vsx.
9756 2010-01-11  Joseph Myers  <joseph@codesourcery.com>
9757             Shujing Zhao  <pearly.zhao@oracle.com>
9759         PR translation/42469
9760         * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
9761         fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
9762         character between option name and help text.
9763         * c.opt (imultilib): Likewise.
9765 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
9767         * lto-streamer-out.c (output_unreferenced_globals): Output static
9768         variables.
9770 2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>
9772         PR rtl-optimization/42621
9773         * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
9774         optimizing for size.
9775         (duplicate_computed_gotos): Remove now-redundant check.
9777 2010-01-10  Steve Ellcey  <sje@cup.hp.com>
9779         PR target/37454
9780         * configure.ac: Save and restore LDFLAGS and LIBS
9781         * configure: Regenerate.
9783 2010-01-10  Richard Guenther  <rguenther@suse.de>
9785         PR middle-end/42667
9786         * builtins.c (fold_builtin_strlen): Add type argument and
9787         convert the resulting length to it.
9788         (fold_builtin_1): Adjust.
9790 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
9792         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
9793         sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
9794         1 insn.
9795         (num_insns_constant_wide): Adjust for that change.
9797 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9799         PR debug/42631
9800         * web.c (union_defs): Add used argument, to combine uses of
9801         uninitialized regs.
9802         (entry_register): Adjust type and tests of used argument.
9803         (web_main): Widen used for new use.  Pass it to union_defs.
9804         * df.h (union_defs): Adjust prototype.
9806 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9808         PR debug/42630
9809         * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
9810         uses in new incoming argument.  Free body.
9811         (reset_debug_uses_in_loop): New.
9812         (analyze_insn_to_expand_var): Call the latter if the former found
9813         anything.  Fix whitespace.  Reject invalid dest overlaps before
9814         going through all insns in the loop.
9816 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9818         PR debug/42629
9819         * haifa-sched.c (dying_use_p): Debug insns don't count.
9821 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9823         PR middle-end/42363
9824         * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
9825         * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
9826         (verify_gimple_call): Reject LHS in noreturn calls.
9828 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9830         PR debug/42604
9831         PR debug/42395
9832         * tree-vect-loop-manip.c (adjust_info): New type.
9833         (adjust_vec): New pointer to vector.
9834         (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
9835         (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
9836         (slpeel_update_phis_for_duplicate_loop): Use them.
9837         (slpeel_update_phi_nodes_for_guard1): Likewise.
9838         (slpeel_update_phi_nodes_for_guard2): Likewise.
9839         (slpeel_tree_peel_loop_to_edge): Likewise.
9840         (vect_update_ivs_after_vectorizer): Likewise.
9842 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9844         * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
9845         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
9847 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
9849         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
9850         bogus uninitialized warning.
9852 2010-01-09  Richard Guenther  <rguenther@suse.de>
9854         PR middle-end/42512
9855         * tree-scalar-evolution.c (interpret_loop_phi): Make sure
9856         the evolution is compatible with the initial condition.
9858 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
9860         * gcc.c (process_command): Update copyright notice dates.
9861         * gcov.c (print_version): Likewise.
9862         * gcov-dump.c (print_version): Likewise.
9863         * mips-tfile.c (main): Likewise.
9864         * mips-tdump.c (main): Likewise.
9866 2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
9868         PR target/41885
9869         * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
9870         (rotlhi3): Delete.
9871         (rotlhi3_8): Delete.
9872         (rotlsi3): Delete.
9873         (rotlsi3_8): Delete.
9874         (rotlsi3_16): Delete.
9875         (rotlsi3_24): Delete.
9876         (rotl<mode>3): New.
9877         (*rotw<mode>3): New.
9878         (*rotb<mode>3): New.
9879         * config/avr/avr.c (avr_rotate_bytes): New function.
9880         * config/avr/avr-proto.h (avr_rotate_bytes): New function.
9882 2010-01-08  Steve Ellcey  <sje@cup.hp.com>
9884         PR target/37454
9885         * configure.ac: Modify -rdynamic check.
9886         * configure: Regenerate.
9888 2010-01-08  DJ Delorie  <dj@redhat.com>
9890         * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
9891         register popping order.
9893 2010-01-08  Richard Guenther  <rguenther@suse.de>
9895         PR lto/42528
9896         * c.opt (fsigned-char): Also let LTO handle this option.
9897         (funsigned-char): Likewise.
9899 2010-01-07  Richard Guenther  <rguenther@suse.de>
9901         * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
9902         (gimple_op): Likewise.
9903         (gimple_op_ptr): Likewise.
9904         (gimple_assign_set_lhs): Remove gcc_assert.
9905         (gimple_assign_set_rhs1): Likewise.
9906         (gimple_assign_set_rhs2): Likewise.
9907         (gimple_call_set_lhs): Likewise.
9908         (gimple_call_set_fn): Likewise.
9909         (gimple_call_set_fndecl): Likewise.
9910         (gimple_call_fndecl): Likewise.
9911         (gimple_call_return_type): Likewise.
9912         (gimple_call_set_chain): Likewise.
9913         (gimple_call_num_args): Likewise.
9914         (gimple_call_set_arg): Likewise.
9915         (gimple_cond_set_code): Likewise.
9916         (gimple_cond_set_lhs): Likewise.
9917         (gimple_cond_set_rhs): Likewise.
9918         (gimple_cond_set_true_label): Likewise.
9919         (gimple_cond_set_false_label): Likewise.
9920         (gimple_label_set_label): Likewise.
9921         (gimple_goto_set_dest): Likewise.
9922         (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
9923         (gimple_debug_bind_get_value): Likewise.
9924         (gimple_debug_bind_get_value_ptr): Likewise.
9925         (gimple_debug_bind_set_var): Likewise.
9926         (gimple_debug_bind_set_value): Likewise.
9927         (gimple_debug_bind_reset_value): Likewise.
9928         (gimple_debug_bind_has_value_p): Likewise.
9929         (gimple_return_retval_ptr): Remove gcc_assert.
9930         (gimple_return_retval): Likewise.
9931         (gimple_return_set_retval): Likewise.
9932         * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
9933         (safe_referenced_var_iterator): Remove.
9934         (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
9935         * tree-flow-inline.h (gimple_nonlocal_all): Remove.
9936         (fill_referenced_var_vec): Remove.
9937         (first_readonly_imm_use): Remove redundant gcc_assert.
9938         (phi_arg_index_from_use): Combine gcc_asserts.
9939         (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
9940         (first_imm_use_stmt): Remove redundant gcc_assert.
9941         * tree-cfg.c (verify_gimple_call): Verify function and chain
9942         operands.  Verify arguments.
9943         (verify_types_in_gimple_stmt): Verify condition code and labels.
9945 2010-01-07  Richard Guenther  <rguenther@suse.de>
9947         PR tree-optimization/42641
9948         * sese.c (rename_map_elt_info): Use the SSA name version, do
9949         not hash pointers.
9951 2010-01-07  Jakub Jelinek  <jakub@redhat.com>
9953         PR tree-optimization/42625
9954         * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
9955         TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
9957 2010-01-07  Duncan Sands  <baldrick@free.fr>
9959         * Makefile.in (PLUGIN_HEADERS): Add version.h.
9961 2010-01-07  Uros Bizjak  <ubizjak@gmail.com>
9963         PR target/42511
9964         * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
9965         note itself is not function_invariant_p.
9967 2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>
9969         * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
9970         Do not add the DF_NOTE problem.
9971         * store-motion.c (execute_rtl_store_motion): Likewise.
9973 2010-01-07  Martin Jambor  <mjambor@suse.cz>
9975         PR tree-optimization/42157
9976         * tree-sra.c (compare_access_positions): Stabilize sort if both
9977         accesses have integer types, return zero immediately if they are the
9978         same.
9980 2010-01-06  Richard Henderson  <rth@redhat.com>
9982         PR middle-end/41883
9983         * haifa-sched.c (add_to_note_list): Merge into ...
9984         (concat_note_lists): ... here, and ...
9985         (unlink_other_notes, rm_other_notes): Merge into...
9986         (remove_notes): ... here.  Create REG_SAVE_NOTEs for
9987         NOTE_INSN_EPILOGUE_BEG.
9989 2010-01-06  Richard Guenther  <rguenther@suse.de>
9991         * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
9992         not inline regular functions into always-inline functions.
9994 2010-01-06  Nick Clifton  <nickc@redhat.com>
9996         * config/rx/rx.h (enum rx_cpu_type): Add RX200.
9997         (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
9998         used together.
9999         (OVERRIDE_OPTIONS): Delete.
10000         (OPTIMIZATION_OPTIONS): Define.
10001         (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
10002         * config/rx/rx.c (rx_handle_option): Issue an error message if
10003         -mcpu=rx200 and -fpu are used together.
10004         (rx_set_optimization_options): New function.  Issue an error
10005         message if an optimization attribute attempts to reset the FPU/
10006         math optimization pairing.
10007         * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
10008         * config/rx/rx.opt: Set the default to 32-bit doubles.
10009         * config/rx/t-rx: Add multilibs for -nofpu option.
10010         * doc/invoke.texi: Update documentation of RX options.
10012 2010-01-06  Richard Guenther  <rguenther@suse.de>
10014         * tree-ssa-pre.c (name_to_id): New global.
10015         (alloc_expression_id): Simplify SSA name handling.
10016         (lookup_expression_id): Likewise.
10017         (init_pre): Zero name_to_id.
10018         (fini_pre): Free it.
10020 2010-01-06  Uros Bizjak  <ubizjak@gmail.com>
10022         * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
10024 2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>
10026         PR target/42542
10027         * config/i386/sse.md (smaxv2di3): New.
10028         (umaxv2di3): Likewise.
10029         (sminv2di3): Likewise.
10030         (uminv2di3): Likewise.
10032 2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>
10034         PR target/42564
10035         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
10036         * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
10037         (legitimize_tls_address): Likewise.
10038         (sparc_tls_referenced_p): Likewise.
10039         * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
10040         and adjust calls to legitimize_pic_address.
10041         (legitimate_constant_p) Use sparc_tls_referenced_p.
10042         (legitimate_pic_operand_p): Likewise.
10043         (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
10044         (sparc_tls_symbol_ref_1): Delete.
10045         (sparc_tls_referenced_p): Make static, recognize specific patterns.
10046         (legitimize_tls_address): Make static, handle CONST patterns.
10047         (legitimize_pic_address): Make static, remove unused parameter and
10048         adjust recursive calls.
10049         (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
10050         and adjust call to legitimize_pic_address.
10051         (sparc_output_mi_thunk): Likewise.
10053 2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
10054             H.J. Lu  <hongjiu.lu@intel.com>
10056         PR target/42542
10057         * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
10058         for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
10059         operands to make them signed.
10061         Revert:
10062         2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
10064         PR target/42542
10065         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
10066         GTU to GT for V4SI and V2DI.
10068         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
10069         (umin<mode>3): Removed.
10070         (uminv8hi3): New.
10071         (uminv4si3): Likewise.
10073 2010-01-05  Martin Jambor  <mjambor@suse.cz>
10075         PR tree-optimization/42462
10076         * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
10077         current_function_decl to helper functions and macros.
10079 2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10081         PR bootstrap/41771
10082         * flags.h: Don't include real.h.
10083         (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
10084         HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
10085         * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
10086         HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
10087         * dominance.c: Update copyright.
10088         * gimple.c (walk_gimple_op): Remove inline.
10089         * tree-ssa-reassoc.c: Include real.h.
10090         * Makefile.in (FLAGS_H): Remove $(REAL_H).
10091         (tree-ssa-reassoc.o): Depend on $(REAL_H).
10093 2010-01-05  Nick Clifton  <nickc@redhat.com>
10095         * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
10096         register to push into the stack frame when the accumulator has to
10097         be saved during interrupts.
10099 2010-01-05  Eric Fisher  <joefoxreal@gmail.com>
10101         * doc/invoke.texi: Remove the documentation about option
10102         -Wunreachable-code.
10103         * common.opt (Wunreachable-code):  Preserved for backward
10104         compatibility.
10105         * tree-cfg.c: Remove the implementation of -Wunreachable-code.
10106         * opts.c (common_handle_option): Add OPT_Wunreachable_code to
10107         the backward compatibility flag section.
10109 2010-01-05  Richard Guenther  <rguenther@suse.de>
10111         * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
10113 2010-01-05  Jakub Jelinek  <jakub@redhat.com>
10115         PR other/42611
10116         * cfgexpand.c (expand_one_var): Diagnose too large variables.
10118         PR tree-optimization/42508
10119         * tree-sra.c (convert_callers): Check for recursive call
10120         by comparing cgraph nodes instead of decls.
10121         (modify_function): Call ipa_modify_formal_parameters also
10122         on all same_body aliases.
10124         * cgraphunit.c (cgraph_materialize_all_clones): Compare
10125         cgraph nodes when checking for same_body aliases.
10127 2010-01-05  Richard Guenther  <rguenther@suse.de>
10129         * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
10130         allocation and lookup.
10131         (get_or_alloc_expr_for_constant): Likewise.
10132         (phi_translate): Sink allocation.
10134 2010-01-04  Richard Guenther  <rguenther@suse.de>
10136         * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
10137         a new entry only if needed.
10138         * tree-ssa-dom.c (lookup_avail_expr): Likewise.
10139         * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
10140         hashtable lookup.
10141         * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
10142         the result array.
10143         (phi_translate): Handle CONSTANTs early.
10145 2010-01-04  Martin Jambor  <mjambor@suse.cz>
10147         PR tree-optimization/42398
10148         * tree-sra.c (struct access): Removed flag grp_different_types.
10149         (dump_access): Do not dump the removed flag.
10150         (sort_and_splice_var_accesses): Do not set the removed flag.
10151         (sra_modify_expr): Check for type compatibility directly.
10153 2010-01-04  Martin Jambor  <mjambor@suse.cz>
10155         PR tree-optimization/42366
10156         * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
10157         edges with variable number of parameters.
10158         * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
10159         flag instead of asserting it.
10160         (ipa_read_node_info): Read uses_analysis_done flag.
10162 2010-01-04  Richard Guenther  <rguenther@suse.de>
10164         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
10165         iterative_hash_* as intended.
10166         (vn_reference_compute_hash): Likewise.  Simplify hashing
10167         SSA names.
10168         (vn_reference_lookup_2): Likewise.
10169         (vn_nary_op_compute_hash): Likewise.
10170         (vn_phi_compute_hash): Likewise.
10171         (expressions_equal_p): Remove strange code.
10172         * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
10173         (pre_expr_hash): Likewise.  Simplify hashing SSA names.
10174         (bitmap_insert_into_set_1): Take value-id as parameter.
10175         (add_to_value): Pass it.
10176         (bitmap_insert_into_set): Likewise.
10177         (bitmap_value_insert_into_set): Likewise.  Remove redundant check.
10179 2010-01-04  Jakub Jelinek  <jakub@redhat.com>
10181         PR driver/42442
10182         * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
10183         (do_self_spec): For switches with SWITCH_IGNORE set set also
10184         SWITCH_IGNORE_PERMANENTLY.
10185         (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
10186         of SWITCH_IGNORE.
10188 2010-01-04  Rafael Avila de Espindola  <espindola@google.com>
10190         * lto-streamer-out.c (output_unreferenced_globals): Output the full
10191         tree of an unreferenced global var.
10193 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
10195         PR target/42542
10196         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
10197         GTU to GT for V4SI and V2DI.
10199         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
10200         (umin<mode>3): Removed.
10201         (uminv8hi3): New.
10202         (uminv4si3): Likewise.
10204 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
10206         PR lto/42581
10207         * collect2.c (main): Turn on trace in collect2 if -v is passed
10208         to gcc with LTO.
10210 2010-01-03  Jerry Quinn  <jlquinn@optonline.net>
10212         * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
10213         description of expression operand.
10215 2010-01-03  Andrew Jenner  <andrew@codesourcery.com>
10217         * configure.ac: Add install-html to target_list for Make-hooks.
10218         * configure: Regenerate.
10219         * fortran/Make-lang.in (F95_HTMLFILES): New.
10220         (fortran.html): Use it.
10221         (fortran.install-html): New.
10222         * Makefile.in (install-html): Add lang.install-html.
10223         * java/Make-lang.in (JAVA_HTMLFILES): New.
10224         (java.html): Use it.
10225         (java.install-html): New.
10226         * objc/Make-lang.in (objc.install-html): New.
10227         * objcp/Make-lang.in (obj-c++.install-html): New.
10228         * cp/Make-lang.in (c++.install-html): New.
10229         * ada/gcc-interface/Make-lang.in (ada.install-html): New.
10230         * lto/Make-lang.in (lto.install-html): New.
10232 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
10234         PR lto/42520
10235         * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
10237 2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>
10239         PR rtl-optimization/41862
10240         * store-motion.c (store_killed_in_insn, compute_store_table,
10241         remove_reachable_equiv_notes, replace_store_insn,
10242         build_store_vectors): Ignore all DEBUG_INSNs.
10244 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
10246         PR lto/41564
10247         * common.opt: Add dumpdir.
10249         * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
10250         isn't specified.
10251         (option_map): Add --dumpdir.
10253         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
10255         * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
10257         * opts.c (decode_options): Try dump_dir_name first if
10258         dump_base_name isn't an absolute path.
10259         (common_handle_option): Handle OPT_dumpdir.
10261         * toplev.c (dump_dir_name): New.
10262         (print_switch_values): Also ignore -dumpdir.
10264         * toplev.h (dump_dir_name): New.
10266 2010-01-03  Richard Guenther  <rguenther@suse.de>
10268         PR tree-optimization/42589
10269         * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
10270         double-word expansion of bswap32.
10272 2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>
10274         * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
10275         with BLOCK_FOR_INSN.
10276         * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
10277         * ifcvt.c (noce_get_alt_condition, noce_try_abs,
10278         noce_process_if_block): Likewise.
10279         * gcse.c (compute_local_properties, insert_expr_in_table,
10280         insert_set_in_table, canon_list_insert, find_avail_set,
10281         pre_insert_copy_insn): Likewise.
10283         * basic-block.h (BLOCK_NUM): Move from here...
10284         * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
10286 2010-01-03  Richard Guenther  <rguenther@suse.de>
10288         PR tree-optimization/42438
10289         * tree-ssa-pre.c (struct bb_bitmap_sets): Add
10290         contains_may_not_return_call flag.
10291         (BB_MAY_NOTRETURN): New.
10292         (valid_in_sets): Trapping nary operations are not valid
10293         in blocks that may not return.
10294         (insert_into_preds_of_block): Remove check for trapping expressions.
10295         (compute_avail): Compute also BB_MAY_NOTRETURN.
10297 2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
10299         * doc/invoke.texi: Add 2010 to copyright years.
10301 2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>
10303         * config/sparc/sparc.c: Fix formatting nits.
10305 2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
10306             Alexander Monakov  <amonakov@ispras.ru>
10308         * doc/invoke.texi (Optimize Options): Reword introduction a bit.
10310 2010-01-02  Richard Guenther  <rguenther@suse.de>
10312         PR middle-end/42577
10313         * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
10314         (simplify_switch_using_ranges): Mark to be removed edges
10315         as non-executable.
10317 2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10319         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
10321         * collect2.c (scan_libraries): Add missing argument in call to
10322         scan_prog_file.
10324 2010-01-02  Uros Bizjak  <ubizjak@gmail.com>
10326         PR target/42448
10327         * config/alpha/predicates.md (aligned_memory_operand): Return false
10328         for CQImode.
10329         (unaligned_memory_operand): Return true for CQImode.
10330         * config/alpha/alpha.c (get_aligned_mem): Assert that location
10331         doesn not cross aligned SImode word boundary.
10333 2010-01-02  Anatoly Sokolov  <aesok@post.ru>
10335         * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
10336         Remove.
10337         * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
10338         avr_change_section, avr_reg_class_from_letter) : Remove declaration.
10340 2010-01-02  Richard Guenther  <rguenther@suse.de>
10342         PR lto/41597
10343         * toplev.c (compile_file): Emit LTO marker properly.  Change
10344         it to __gnu_lto_v1.
10345         * collect2.c (scan_prog_file): Adjust for changed LTO marker.
10347 2010-01-01  Richard Guenther  <rguenther@suse.de>
10349         PR debug/42455
10350         * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
10352 2010-01-01  Richard Guenther  <rguenther@suse.de>
10354         PR c/42570
10355         * c-decl.c (grokdeclarator): For zero-size arrays force
10356         structural equality checks as layout_type does.
10358 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
10360         * builtins.c: Update copyright to 2010.
10362 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
10364         PR lto/42531
10365         * lto-streamer-out.c (produce_asm): Revert the last change.
10366         (copy_function): Likewise.
10368         * lto-streamer.c (lto_get_section_name): Skip any leading
10369         asterisk in name.
10371 2010-01-01  Richard Guenther  <rguenther@suse.de>
10373         PR middle-end/42559
10374         * builtins.c (get_object_alignment): Do not use DECL_ALIGN
10375         for LABEL_DECLs.
10378 Copyright (C) 2010 Free Software Foundation, Inc.
10380 Copying and distribution of this file, with or without modification,
10381 are permitted in any medium without royalty provided the copyright
10382 notice and this notice are preserved.