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1 2010-05-15  Jason Merrill  <jason@redhat.com>
2
3         * c.opt: Add -fnothrow-opt.
4
5 2010-05-15  Jan Hubicka  <jh@suse.cz>
6
7         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is analyzed.
8         * passes.c (ipa_write_summaries): Write all analyzed nodes.
9
10 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
11
12         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
13         * Makefile.in: Add it.
14         Fix all other Makefile dependencies for changes below.
15         * tree.h: Include it instead of defining VEC primitives here.
16         * gimple.h: Likewise.
17         * rtl.h: Likewise.
18         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
19         * except.h: Include vecir.h, break dependence on tree.h.
20
21         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
22         Move from here...
23         * tree-iterator.c: ...to here.
24         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
25
26         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
27         tm_p.h.
28         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
29         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
30         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
31         tree-mudflap.h, and target.h.
32         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
33         predict.h, tree-inline.h, gimple.h, and langhooks.h.
34         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
35         Add FIXME for why gimple.h is still included (should be unnecessary
36         since GCC 4.5 gimplification unit-at-a-time).
37         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
38         * c-pragma.c: Add FIXME for why function.h needs to be included just
39         for cfun, at front-end level.
40         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
41         Do not include ggc.h, but include vecprim.h for VEC(char).
42         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
43         Explain why target.h is included.
44         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
45         Explain why gimple.h is included.
46         * c-ppoutput.c: Do not include tm.h.
47         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
48         * c-parses.c: Explain why rtl.h is included, and that this (and only
49         this) is also why tm.h must be included.
50         Do not include except.h.
51         * c-lang.c: Do not include ggc.h.
52
53 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
54
55         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
56
57 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
58
59         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
60         unions by default if those structs and unions have no tags.  Do
61         not condition anonymous struct and unions handling on flag_iso.
62         Allow anonymous structs and unions for C1X.
63         (finish_struct): Do not diagnose lack of named fields when
64         anonymous structs and unions present for C1X.  Accept flexible
65         array members in structure with anonymous structs or unions but no
66         directly named fields.
67         * doc/extend.texi (Unnamed Fields): Update.
68
69 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
70
71         * gimple.h (compare_field_offset): Rename into...
72         (gimple_compare_field_offset): ...this.
73         * gimple.c (compare_field_offset): Rename into...
74         (gimple_compare_field_offset): ...this.  Compare the full access if
75         the offset is self-referential.
76         (gimple_types_compatible_p): Adjust for above renaming.
77         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
78         DECL_NONADDRESSABLE_P flag of fields before merging them.
79
80 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
81
82         * tree.h (ctor_to_list): Delete.
83         * tree.c (ctor_to_list): Delete.
84
85 2010-05-15  Jan Hubicka  <jh@suse.cz>
86
87         * ipa-reference.c: Include toplev.h
88         (is_proper_for_analysis): Only add to all_module_statics
89         if it is allocated.
90         (write_node_summary_p, stream_out_bitmap,
91         ipa_reference_write_optimization_summary,
92         ipa_reference_read_optimization_summary): New.
93         (struct ipa_opt_pass_d pass_ipa_reference): Add
94         optimization summary streaming.
95         * lto-cgraph.c (referenced_from_this_partition_p,
96         reachable_from_this_partition_p): New functions.
97         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
98         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
99         * opts.c (decode_options): Enable ipa_reference.
100         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
101         * lto-streamer.h (referenced_from_this_partition_p,
102         reachable_from_this_partition_p): Declare.
103
104 2010-05-15  Richard Guenther  <rguenther@suse.de>
105
106         PR tree-optimization/44038
107         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
108         taking the address of a V_C_E of a constant.
109
110 2010-05-14  Jan Hubicka  <jh@suse.cz>
111
112         * tree.h (memory_identifier_string): Remove.
113         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
114         (ipa_reference_global_vars_info_d): Remove statics_not_read and
115         statics_not_written.
116         (ipa_reference_optimization_summary_d): New structure.
117         (ipa_reference_optimization_summary_t): New type and vector.
118         (ipa_reference_vars_info_d): Embedd structures instead of using
119         pointers.
120         (reference_vars_to_consider): Remove out of GGC space.
121         (module_statics_escape): Remove.
122         (global_info_obstack): Rename to ...
123         (optimization_summary_obstack): ... this one.
124         (initialization_status_t): Remove.
125         (memory_identifier_string): Remove.
126         (get_reference_vars_info): Fix indenting.
127         (set_reference_vars_info): Likewise.
128         (get_reference_optimization_summary): New.
129         (set_reference_optimization_summary): New.
130         (get_global_reference_vars_info): Remove.
131         (ipa_reference_get_read_global): Remove.
132         (ipa_reference_get_written_global): Remove.
133         (ipa_reference_get_not_read_global): Update.
134         (ipa_reference_get_not_written_global): Update.
135         (is_proper_for_analysis): Outlaw addressable.
136         (propagate_bits): Update for new datastructures.
137         (analyze_variable): Remove.
138         (init_function_info): Update for new datastructures.
139         (clean_function_local_data): Remove.
140         (clean_function): Remove.
141         (copy_global_bitmap): Use optimizations_summary_obstack.
142         (duplicate_node_data): Duplicate optimization summary only.
143         (remove_node_data): Remove optimization summary only.
144         (generate_summary): Do not analyze variables; do not compute
145         module_statics_escape; do not prune solutions by it.
146         (read_write_all_from_decl): Fix typos in comments.
147         (propagate): Doscover readonly and nonaddressable first;
148         update for new datastructures; share global bitmaps.
149         * ipa-reference.h (ipa_reference_get_read_global,
150         ipa_reference_get_written_global): Remove.
151         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
152         * Makefile.in: Remove ipa-refereference from GT files.
153
154 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
155
156         PR debug/44112
157         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
158         for all SYMBOL_REF_DECLs.
159
160 2010-05-14  Jan Hubicka  <jh@suse.cz>
161
162         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
163         (varpool_all_refs_explicit_p): New inline function.
164         * ipa-reference.c: Update comment.
165         (module_statics_written): Remove.
166         (get_static_decl): Remove.
167         (ipa_init): Do not initialize module_statics_written.
168         (analyze_function): Likewise.
169         (generate_summary): Likewise; do not compute module_statics_readonly
170         and do not update variable flags.
171         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
172         * ipa.c: Inlucde flags.h
173         (cgraph_local_node_p): New.
174         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
175         promote functions to local.
176         (ipa_discover_readonly_nonaddressable_vars): New function.
177         (function_and_variable_visibility): Use cgraph_local_node_p.
178         * varpool.c (varpool_finalize_decl): Set force_output for
179         DECL_PRESERVE_P vars.
180
181 2010-05-14  Jan Hubicka  <jh@suse.cz>
182
183         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
184
185 2010-05-14  Richard Guenther  <rguenther@suse.de>
186
187         PR tree-optimization/44119
188         * tree-ssa-pre.c (eliminate): Properly mark replacement of
189         a PHI node necessary.
190
191 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
192
193         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
194
195 2010-05-14  Jason Merrill  <jason@redhat.com>
196
197         PR c++/44127
198         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
199         (gimple_call_set_nothrow): New.
200         * gimple.c (gimple_build_call_from_tree): Call it.
201         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
202
203         PR c++/44127
204         * gimplify.c (gimplify_seq_add_stmt): No longer static.
205         * gimple.h: Declare it.
206         * gimple.c (gimple_build_eh_filter): No ops.
207
208 2010-05-14  Jan Hubicka  <jh@suse.cz>
209
210         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
211         nodes already in queue.
212         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
213         re-enqueueing node.
214
215 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
216
217         PR debug/44136
218         * cfgexpand.c (expand_debug_expr): If non-memory op0
219         has BLKmode, return NULL.
220
221 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
222
223         * config.gcc: Add support for --with-cpu option for bdver1.
224         * config/i386/i386.h (TARGET_BDVER1): New macro.
225         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
226         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
227         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
228         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
229         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
230         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
231         (processor_type): Add PROCESSOR_BDVER1.
232         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
233         processor_type in config/i386/i386.h.
234         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
235         movaps <reg, reg> instead of movapd <reg, reg> when replacing
236         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
237         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
238         to emit packed xor instead of packed double/packed integer
239         xor for SSE and AVX when moving a zero value.
240         * config/i386/sse.md: Add check for
241         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
242         movapd/movdqa for SSE and AVX.
243         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
244         single logical operations i.e and, or and xor instead of packed double
245         logical operations for SSE and AVX.
246         * config/i386/i386-c.c (ix86_target_macros_internal):
247         Add PROCESSOR_BDVER1.
248         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
249         (has_fma4, has_xop): New.
250         * config/i386/i386.c (bdver1_cost): New variable.
251         (m_BDVER1): New macro.
252         (m_AMD_MULTIPLE): Add m_BDVER1.
253         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
254         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
255         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
256         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
257         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
258         x86_tune_sse_partial_reg_dependency,
259         x86_tune_sse_unaligned_load_optimal,
260         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
261         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
262         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
263         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
264         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
265         Enable/disable for bdver1.
266         (processor_target_table): Add bdver1_cost.
267         (cpu_names): Add bdver1.
268         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
269          processor_alias_table.
270         (ix86_expand_vector_move_misalign): Change.
271         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
272         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
273         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
274         of movupd/movdqu for SSE and AVX.
275         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
276         (ix86_tune_adjust_cost): Add code for bdver1.
277         (standard_sse_constant_opcode): Add check for
278         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
279         of packed double xor for SSE and AVX.
280
281 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
282
283         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
284         result to unsigned.
285
286 2010-05-14  Tristan Gingold  <gingold@adacore.com>
287
288         * toplev.c (default_debug_hooks): Remove this variable.
289         (process_options): Remove assignments to default_debug_hooks.
290
291 2010-05-14  Martin Jambor  <mjambor@suse.cz>
292
293         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
294         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
295         * langhooks.h (struct lang_hooks_for_decls): Removed field
296         fold_obj_type_ref.
297         * tree.c (free_lang_data): Remove assignment to
298         lang_hooks.fold_obj_type_ref.
299         * tree.def (OBJ_TYPE_REF): Update comment.
300
301 2010-05-14  Richard Guenther  <rguenther@suse.de>
302
303         PR tree-optimization/44124
304         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
305
306 2010-05-14  Alan Modra  <amodra@gmail.com>
307
308         PR target/44075
309         * config/rs6000/rs6000.c (struct machine_function): Reorder
310         fields for better packing.  Add lr_save_state.
311         (rs6000_ra_ever_killed): Return lr_save_state if set.
312         (rs6000_emit_eh_reg_restore): Set lr_save_state.
313
314 2010-05-13  Jan Hubicka  <jh@suse.cz>
315
316         * varpool.c (decide_is_variable_needed): Drop code checking
317         TREE_SYMBOL_REFERENCED.
318
319 2010-05-13  Jan Hubicka  <jh@suse.cz>
320
321         * final.c (output_addr_const): Do not call mark_decl_referenced.
322         * cgraphunit.c (process_function_and_variable_attributes): Use
323         mark_needed_node dirrectly.
324         (assemble_thunk): Do not call mark_decl_referenced.
325
326 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
327
328         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
329
330 2010-05-13  Jeff Law  <law@redhat.com>
331
332         * ira-conflicts.c (print_allocno_conflicts): New function broken out
333         from...
334         (print_conflicts): Call print_allocno_conflicts.
335
336 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
337
338         PR debug/44104
339         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
340         if it is NULL.
341
342 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
343
344         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
345         t-mingw-w64 or t-mingw-w32 for multilib configuration.
346         * config/i386/t-mingw-w32: New.
347         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
348
349 2010-05-13  Martin Jambor  <mjambor@suse.cz>
350
351         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
352         gimple-fold.c).
353         * gimple-fold.c (get_base_binfo_for_type): New function.
354         (gimple_get_relevant_ref_binfo): Likewise.
355         (gimple_fold_obj_type_ref_known_binfo): Likewise.
356         (gimple_fold_obj_type_ref): Likewise.
357         (fold_gimple_call): Simplify condition for folding virtual calls
358         and call gimple_fold_obj_type_ref.
359         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
360         (gimple_fold_obj_type_ref_known_binfo): Likewise.
361
362 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
363
364         * config/rs6000/rs6000-protos.h
365         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
366         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
367         (rs6000_debug_mode_dependent_address)
368         (rs6000_mode_dependent_address_ptr): Likewise.
369
370 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
371
372         PR debug/43983
373         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
374         by SRA.
375         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
376         * tree-sra.c (create_access_replacement): Call unshare_expr before
377         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
378         * dwarf2out.c: Include tree-flow.h.
379         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
380         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
381         Handle DW_OP_bit_piece.
382         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
383         construct_piece_list, adjust_piece_list): New functions.
384         (add_var_loc_to_decl): Handle SRA optimized variables.
385         Adjust for var_loc_note to loc field renaming.
386         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
387         in VAR_LOCATION note.
388         (new_loc_descr_op_bit_piece): New function.
389         (dw_sra_loc_expr): New function.
390         (dw_loc_list): Use it.  Don't handle the last range after the
391         loop, handle it inside of the loop.  Adjust for var_loc_note
392         to loc field renaming.
393         (add_location_or_const_value_attribute): Only special case
394         single entry loc lists if loc is NOTE_P.  Adjust for
395         var_loc_note to loc field renaming.
396         (dwarf2out_var_location): Don't set newloc->var_loc_note
397         and newloc->next here.
398
399 2010-05-12  Jan Hubicka  <jh@suse.cz>
400
401         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
402         flag.
403         * cgraph.h (cgraph_only_called_directly_p,
404         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
405         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
406         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
407         (assemble
408         * ipa.c (cgraph_remove_unreachable_nodes): Use
409         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
410         flags.
411         * tree-inline.c (copy_bb): Check address_taken flag.
412         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
413         externally_visible flag.
414
415 2010-05-12  Jason Merrill  <jason@redhat.com>
416
417         PR bootstrap/44048
418         PR target/44099
419         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
420         * sdbout.c (plain_type_1): Likewise.
421         * dwarf2out.c (is_base_type): Likewise.
422         (gen_type_die_with_usage): Likewise.  Generate
423         DW_TAG_unspecified_type for any LANG_TYPE.
424
425 2010-05-12  Jan Hubicka  <jh@suse.cz>
426
427         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
428         indrect edges too.
429         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
430         (cgraph_clone_edge): Update.
431         (cgraph_node_remove_callees): Remove indirect calls too.
432         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
433         (cgraph_create_indirect_edge): Update prototype.
434         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
435         is_proper_for_analysis.
436         (add_new_function, visited_nodes, function_insertion_hook_holder,
437         get_local_reference_vars_info, mark_address_taken, mark_address,
438         mark_load, mark_store, check_asm_memory_clobber, check_call,
439         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
440         (ipa_init): Do not initialize visited_nodes;
441         function_insertion_hook_holder.
442         (analyze_variable): Rewrite.
443         (analyze_function): Rewrite.
444         (copy_local_bitmap): Remove.
445         (duplicate_node_dat): Do not duplicate local info.
446         (generate_summary): Simplify to only walk cgraph.
447         (write_node_summary_p, ipa_reference_write_summary,
448         ipa_reference_read_summary): Remove.
449         (propagate): Do not remove function insertion;
450         generate summary.
451         (pass_ipa_reference): NULLify summary handling fields.
452         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
453         (input_edge): Input ecf_flags.
454         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
455         (update_indirect_edges_after_inlining): Ignore edges with unknown
456         param.
457
458 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
459
460         * implicit-zee.c: New file.
461         * tree-pass.h (pass_implicit_zee): Declare.
462         * passes.c (init_optimization_passes): Add zee pass.
463         * common.opt (fzee): New flag.
464         * timevar.def (TV_ZEE): Define.
465         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
466         and beyond.
467         * Makefile.in (implicit-zee.o): Add new build file.
468
469 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
470             Nathan Froyd  <froydnj@codesourcery.com>
471
472         * c-common.c (sync_resolve_params): Remove write-only variable.
473
474 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
475
476         * target.h (struct gcc_target): Add mode_dependent_address_p field.
477         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
478         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
479         * targhooks.c (default_mode_dependent_address_p): New function.
480         * targhooks.h (default_mode_dependent_address_p): Declare function.
481         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
482         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
483         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
484         target hook. Change return type to bool.
485         * recog.h: (mode_dependent_address_p): Change return type to bool.
486
487 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
488             Nathan Froyd  <froydnj@codesourcery.com>
489
490         * tree-mudflap.c (build_function_type_0, build_function_type_1,
491         build_function_type_2, build_function_type_3): Remove.
492         (mudflap_init): Use build_function_type_list.
493
494 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
495             Nathan Froyd  <froydnj@codesourcery.com>
496
497         * coverage.c (build_fn_info_value): Call build_constructor instead of
498         build_constructor_from_list.
499         (build_ctr_info_value): Likewise.
500         (build_gcov_info): Likewise.
501
502 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
503
504         * tree.c (build_constructor): Compute TREE_CONSTANT for the
505         resultant constructor.
506         (build_constructor_single): Don't set TREE_CONSTANT.
507         (build_constructor_from_list): Don't compute TREE_CONSTANT.
508
509 2010-05-12  Jan Hubicka  <jh@suse.cz>
510
511         * cgraph.h (struct varpool_node): Add aux.
512         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
513         * varpool.c (varpool_remove_node): Do not remove initializer.
514         (varpool_reset_queue): Export.
515         (varpool_finalize_decl): Volatile vars are forced to be output.
516         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
517         replaced decl.
518         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
519         process_references, varpool_can_remove_if_no_refs): New functions.
520         (cgraph_remove_unreachable_nodes): Handle variables too.
521
522 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
523
524         PR target/44088
525         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
526
527 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
528
529         PR middle-end/44085
530         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
531         change value of ORT_TASK.
532         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
533         (omp_notice_threadprivate_variable): New function.
534         (omp_notice_variable): Call it for threadprivate variables.
535         If enclosing ctx is a task, print enclosing task rather than
536         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
537         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
538         if task has untied clause.
539
540         PR debug/42278
541         * dwarf2out.c (base_type_die): Don't add name attribute here.
542         (modified_type_die): Instead of sizetype use
543         its underlying original type.  If a DW_TAG_base_type doesn't
544         have name added, add __unknown__.
545         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
546         always call force_type_die instead.
547
548 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
549
550         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
551         for __stack_chk_guard.
552
553 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
554
555         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
556         don't call start_source_file debug hook here...
557         (finish_options): ... but here, after outputting predefined and
558         command line defines and undefs.
559
560         PR middle-end/44071
561         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
562         no fallthru edge.
563         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
564         optimizing away empty bb with no successors, move over its
565         footer chain to fallthru predecessor.
566         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
567         (rtl_split_edge): For asm goto call patch_jump_insn even if
568         splitting fallthru edge.
569
570         PR c++/44059
571         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
572         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
573         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
574         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
575         on DW.ref.* decls.
576
577         PR c++/44062
578         * c-parser.c (c_parser_expression): Mark LHS of a comma
579         expression as read if it is a decl, handled component or
580         COMPOUND_EXPR with that on the RHS.
581         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
582         if it is a decl or handled component.
583
584 2010-05-11  Jan Hubicka  <jh@suse.cz>
585
586         * lto-symtab.c (lto_symtab_free): New function.
587         * lto-streamer.h (lto_symtab_free): Declare.
588
589 2010-05-11  Jan Hubicka  <jh@suse.cz>
590
591         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
592         that if function is needed it is reachable.
593         (lto_output_node): See if it the function is reachable or referenced.
594         (output_cgraph): Update call of lto_output_node.
595         * lto-streamer.h (reachable_from_other_partition_p): Declare.
596
597 2010-05-11  Jan Hubicka  <jh@suse.cz>
598
599         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
600         Mark as used.
601
602 2010-05-11  Jan Hubicka  <jh@suse.cz>
603
604         PR tree-optimize/44063
605         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
606         queue.
607         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
608         limits.
609         (estimate_function_body_sizes): Compute sizes even when disregarding.
610
611 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
612
613         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
614
615 2010-05-11  Jan Hubicka  <jh@suse.cz>
616
617         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
618         into every boundary.
619
620 2010-05-11  Jan Hubicka  <jh@suse.cz>
621
622         * matrix-reorg.c (matrix_reorg): Rebuild edges.
623
624 2010-05-11  Jan Hubicka  <jh@suse.cz>
625
626         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
627         lto_streamer_cache_delete): Put nodes into heap.
628         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
629         heap.
630
631 2010-05-11  Jan Hubicka  <jh@suse.cz>
632
633         * cgraphbuild.c (cgraph_rebuild_references): New.
634         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
635         out extern inlines.
636         * cgraph.h (cgraph_rebuild_references): Declare.
637         * tree-inline.c (tree_function_versioning): Use it.
638         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
639
640 2010-05-11  Jan Hubicka  <jh@suse.cz>
641
642         * cgraph.c: Include ipa-utils.h
643         (cgraph_create_virtual_clone): Update references.
644         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
645
646 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
647
648         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
649         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
650         cache size.
651
652 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
653
654         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
655
656 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
657
658         * gcc.c (execute): For -### don't quote arguments that
659         contain just alphanumerics and _/-. characters.
660         * doc/invoke.texi: Document that change for -###.
661
662         PR debug/44023
663         * df-problems.c (struct dead_debug): Add to_rescan field.
664         (dead_debug_init): Clear to_rescan field.
665         (dead_debug_finish): Rescan all debug insns in to_rescan
666         bitmap and free the bitmap.
667         (dead_debug_insert_before): Instead of rescanning debug insns
668         immediately queue their rescanning until dead_debug_finish.
669         (df_note_bb_compute): After dead_debug_add do continue instead
670         of break.
671
672 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
673
674         PR debug/44028
675         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
676         clear also INSN_REG_USE_LIST.
677
678 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
679
680         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
681
682 2010-05-10  Jan Hubicka  <jh@suse.cz>
683
684         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
685         commited change.
686
687 2010-05-10  Jan Hubicka  <jh@suse.cz>
688
689         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
690         Allocate encoders.
691         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
692         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
693         (lto_streamer_cache_create): Init alloc pool.
694         (lto_streamer_cache_delete): Free alloc pool.
695         * lto-streamer.h: Include alloc pool.
696         (lto_streamer_cache_d): Use alloc pool.
697         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
698
699 2010-05-10  Jan Hubicka  <jh@suse.cz>
700
701         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
702         * cgraphbuild.c: Include except.h
703         (record_type_list, record_eh_tables): New function.
704         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
705
706 2010-05-10  Jan Hubicka  <jh@suse.cz>
707
708         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
709         __frame_dummy_init_array_entry, force_to_data): Attribute as used
710         rather than unused.
711
712 2010-05-10  Michael Matz  <matz@suse.de>
713
714         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
715         (can_reassociate_p): Use FLOAT_TYPE_P.
716         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
717         (vect_force_simple_reduction): ... this.
718         * tree-parloops.c (gather_scalar_reductions): Use
719         vect_force_simple_reduction.
720         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
721         vect_is_simple_reduction, add modify argument, if true rewrite
722         "a-b" into "a+(-b)".
723         (vect_is_simple_reduction, vect_force_simple_reduction): New
724         functions.
725         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
726
727 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
728             Vladimir Makarov  <vmakarov@redhat.com>
729
730         PR rtl-optimization/44012
731         * ira-build.c (remove_unnecessary_allocnos): Nullify
732         regno_allocno_map of the removed allocno.
733
734 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
735
736         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
737         to /dev/null.
738         * configure: Regenerate.
739
740 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
741
742         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
743         unused.
744         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
745         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
746         support in Sun ld.
747         * configure: Regenerate.
748
749 2010-05-10  Richard Guenther  <rguenther@suse.de>
750
751         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
752         marked if the entry identifier is marked.
753
754 2010-05-10  Richard Guenther  <rguenther@suse.de>
755
756         * c-common.c (struct c_common_attributes): Add fnspec attribute.
757         (handle_fnspec_attribute): New function.
758         * gimple.h (gimple_call_return_flags): Declare.
759         (gimple_call_arg_flags): Likewise.
760         * gimple.c (gimple_call_arg_flags): New function.
761         (gimple_call_return_flags): Likewise.
762         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
763         New argument flags.
764         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
765         return value flags.
766         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
767         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
768         main work to ...
769         (make_heapvar_for): ... this new function.
770         (handle_rhs_call): Handle fnspec attribute argument specifiers.
771         (handle_lhs_call): Likewise.
772         (find_func_aliases): Adjust.
773
774 2010-05-10  Richard Guenther  <rguenther@suse.de>
775
776         PR tree-optimization/44050
777         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
778
779 2010-05-10  Wei Guozhi  <carrot@google.com>
780
781         PR target/42879
782         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
783
784 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
785
786         PR c/10676
787         * c-typeck.c (lookup_field): Take a type directly.  Update
788         recursive calls.
789         (build_component_ref): Update call to lookup_field.
790         (set_init_label): Use lookup_field to find initialized field.
791         Handle returned list of fields like a sequence of designators.
792
793 2010-05-09  Richard Guenther  <rguenther@suse.de>
794
795         PR middle-end/44024
796         * fold-const.c (tree_single_nonzero_warnv_p): Properly
797         handle &FUNCTION_DECL.
798
799 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
800
801         PR c/4784
802         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
803         structures and unions recursively.
804         (detect_field_duplicates): Move duplicate detection with a hash to
805         detect_field_duplicates_hash.  Always use a hash if anonymous
806         structures or unions are present.
807         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
808         give errors.
809
810 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
811
812         PR target/44046
813         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
814         detect Atom, Core 2 and Core i7.
815
816 2010-05-09  Richard Guenther  <rguenther@suse.de>
817
818         * gcc.c (store_arg): Handle temporary file deletion for
819         joined arguments.
820
821 2010-05-09  Richard Guenther  <rguenther@suse.de>
822
823         PR middle-end/44043
824         * ipa-inline.c (estimate_function_body_sizes): Return after
825         disregarding inline limits.
826
827 2010-05-09  Richard Guenther  <rguenther@suse.de>
828
829         * gcc.c (store_arg): Revert last change.
830
831 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
832
833         PR middle-end/28685
834         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
835         (optimize_ops_list): Call it.
836
837 2010-05-08  Richard Guenther  <rguenther@suse.de>
838
839         PR tree-optimization/44030
840         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
841         NECESSARY flag if we propagate from a inserted expression.
842
843 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
844
845         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
846         domain types as equal if they are both PLACEHOLDER_EXPRs.
847
848 2010-05-08  Richard Guenther  <rguenther@suse.de>
849
850         * lto-wrapper.c (run_gcc): Remove linker output from
851         command line for LTRANS invocation.
852
853 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
854
855         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
856         lto-macho as lto_binary_reader.
857         * target.h (struct gcc_target): New hooks lto_start and lto_end.
858         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
859         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
860         in lto_start and lto_end calls.
861         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
862         magic numbers.
863         (scan_prog_file): Update is_elf_or_coff call.
864         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
865
866         * collect2.c (main): Fix enum comparison.
867
868         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
869         Add prototypes.
870         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
871         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
872         and TARGET_ASM_LTO_END.
873         * darwin.c: Include obstack.h and lto-streamer.h.
874         (lto_section_names_offset, lto_section_names_obstack,
875         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
876         global variables.
877         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
878         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
879         to a temporary file.
880         (darwin_asm_lto_end): New function.  Restore asm_out_file.
881         (darwin_asm_named_section): For LTO sections, replace the name with
882         the offset of the section name in a string table, and build this
883         table.
884         (darwin_file_start): Initialize global vars for LTO support.
885         (darwin_file_end): If output to asm_out_file was redirected, append it
886         to the proper asm_out_file here.  Add the section names section.
887
888 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
889
890         * c-pragma.c (pending_weak_d, pending_weak): New.
891         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
892         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
893         handle_pragma_weak): Update the uses of pending_weaks.
894
895 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
896
897         PR documentation/44016
898         * doc/standards.texi (Standards): Link to unversioned
899         cxx0x_status.html page.
900
901 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
902
903         PR target/43708
904         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
905         in addition to TREE_USED, to avoid "set but unused" warnings.
906
907 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
908
909         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
910         (is_loop_prefetching_profitable): Do not insert prefetches
911         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
912         times the prefetch ahead distance.
913
914 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
915
916         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
917         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
918         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
919         the unroll_factor.
920
921 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
922
923         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
924         a diagnostic info when the insn-to-mem ratio is too small.
925
926 2010-05-07  Richard Guenther <rguenther@suse.de>
927
928         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
929         the linker plugin.
930         (store_arg): Queue temp_filename for deletion instead of
931         the whole argument.
932
933 2010-05-07  Richard Guenther  <rguenther@suse.de>
934
935         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
936         (run_gcc): Handle LTRANS phase invocation.
937         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
938
939 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
940
941         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
942         this is also meaningful on PARM_DECLs and RESULT_DECLs.
943
944 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
945
946         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
947
948 2010-05-07  Richard Guenther  <rguenther@suse.de>
949
950         PR tree-optimization/44020
951         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
952         code when PRE is not yet initialized.
953
954 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
955
956         * config/mips/dbxmdebug.h: Remove.
957         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
958
959 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
960
961         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
962         with null pointer and also warn about ordered comparison of zero with
963         pointer if -Wextra.
964
965 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
966
967         * graphite-blocking.c
968         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
969         * graphite-clast-to-gimple.c
970         (clast_to_gcc_expression): Same.
971         (precision_for_value): Same.
972         (precision_for_interval): Same.
973         (gcc_type_for_interval): Same.
974         (graphite_create_new_guard): Same.
975         (compute_bounds_for_level): Same.
976         (graphite_create_new_loop_guard): Same.
977         * graphite-interchange.c
978         (build_linearized_memory_access): Same.
979         (pdr_stride_in_loop): Same.
980         (memory_strides_in_loop_1): Same.
981         (memory_strides_in_loop): Same.
982         (extend_scattering): Same.
983         (psct_scattering_dim_for_loop_depth): Same.
984         (pbb_number_of_iterations): Same.
985         * graphite-poly.h
986         (debug_iteration_domains): Same.
987         * graphite-ppl.c
988         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
989         (ppl_set_inhomogeneous_gmp): Same.
990         (ppl_strip_loop): Same.
991         (ppl_lexico_compare_linear_expressions): Same.
992         (ppl_read_polyhedron_matrix): Same.
993         (ppl_max_for_le_pointset): Same.
994         * graphite-ppl.h
995         (ppl_read_polyhedron_matrix): Same.
996         (tree_int_to_gmp): Same.
997         (gmp_cst_to_tree): Same.
998         (ppl_set_inhomogeneous): Same.
999         (ppl_set_inhomogeneous_tree): Same.
1000         (ppl_set_coef): Same.
1001         (ppl_set_coef_tree): Same.
1002         * graphite-sese-to-poly.c
1003         (build_pbb_scattering_polyhedrons): Same.
1004         (build_scop_scattering): Same.
1005         (scan_tree_for_params_right_scev): Same.
1006         (scan_tree_for_params): Same.
1007         (find_params_in_bb): Same.
1008         (find_scop_parameters): Same.
1009         (add_upper_bounds_from_estimated_nit): Same.
1010         (build_loop_iteration_domains): Same.
1011         (add_condition_to_domain): Same.
1012         (pdr_add_memory_accesses): Same.
1013
1014 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1015
1016         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1017         CLooG's value_* macros to their respective mpz_* counterparts.
1018         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1019         (graphite_create_new_loop_guard): Same.
1020         * graphite-interchange.c (build_linearized_memory_access): Same.
1021         (pdr_stride_in_loop): Same.
1022         (memory_strides_in_loop_1): Same.
1023         (1st_interchange_profitable_p): Same.
1024         * graphite-poly.c (extend_scattering): Same.
1025         (psct_scattering_dim_for_loop_depth): Same.
1026         (pbb_number_of_iterations): Same.
1027         (pbb_number_of_iterations_at_time): Same.
1028         * graphite-poly.h (new_1st_loop): Same.
1029         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1030         (oppose_constraint): Same.
1031         (insert_constraint_into_matrix): Same.
1032         (ppl_set_inhomogeneous_gmp): Same.
1033         (ppl_set_coef_gmp): Same.
1034         (ppl_strip_loop): Same.
1035         (ppl_lexico_compare_linear_expressions): Same.
1036         (ppl_max_for_le_pointset): Same.
1037         (ppl_min_for_le_pointset): Same.
1038         (ppl_build_realtion): Same.
1039         * graphite-ppl.h (gmp_cst_to_tree): Same.
1040         (ppl_set_inhomogeneous): Same.
1041         (ppl_set_inhomogeneous_tree): Same.
1042         (ppl_set_coef): Same.
1043         (ppl_set_coef_tree): Same.
1044         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1045         (build_scop_scattering): Same.
1046         (add_value_to_dim): Same.
1047         (scan_tree_for_params_right_scev): Same.
1048         (scan_tree_for_params_int): Same.
1049         (scan_tree_for_params): Same.
1050         (find_params_in_bb): Same.
1051         (find_scop_parameters): Same.
1052         (add_upper_bounds_from_estimated_nit): Same.
1053         (build_loop_iteration_domains): Same.
1054         (create_linear_expr_from_tree): Same.
1055         (add_condition_to_domain): Same.
1056         (pdr_add_memory_accesses): Same.
1057
1058 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
1059             Jason Merrill  <jason@redhat.com>
1060
1061         * c-common.c (c_common_reswords): Add nullptr.
1062         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
1063         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1064         (gen_type_die_with_usage): Likewise.
1065         * dbxout.c (dbxout_type): Likewise.
1066         * sdbout.c (plain_type_1): Likewise.
1067
1068 2010-05-06  Jason Merrill  <jason@redhat.com>
1069
1070         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1071         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
1072         ret appropriately.
1073         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1074
1075         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1076         stripping WITH_SIZE_EXPR.
1077         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1078         change.
1079
1080 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1081
1082         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1083         list of obsolete configurations.
1084         Disabled check for obsolete configurations.
1085         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1086         Removed support for previous versions.
1087         * config/mips/iris.h: Removed.
1088         * config/mips/iris5.h: Removed.
1089         * config/mips/iris6.h: Merged old iris.h contents.
1090         (TARGET_IRIX): Removed.
1091         (DRIVER_SELF_SPECS): Removed mabi=32.
1092         (IDENT_ASM_OP): Removed undef.
1093         (STARTFILE_SPEC): Removed mabi=32.
1094         (ENDFILE_SPEC): Likewise.
1095         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1096         (MACHINE_TYPE): Update for IRIX 6.5.
1097         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1098         TARGET_IRIX by TARGET_IRIX6.
1099         (mips_file_start): Likewise.
1100         (mips_output_external): Remove IRIX 5/6 O32 support.
1101         (mips_output_function_prologue): Likewise.
1102         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1103         TARGET_IRIX6.
1104         (TARGET_CPU_CPP_BUILTINS): Likewise.
1105         (TARGET_IRIX): Removed.
1106         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1107         (MULTILIB_DIRNAMES): Removed 32.
1108         (MULTILIB_OSDIRNAMES): Removed ../lib.
1109         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1110         (Specific, mips-sgi-irix5): Document removal.
1111         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1112         Remove references to older IRIX 6 releases and the O32 ABI.
1113
1114 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1115
1116         PR bootstrap/43994
1117         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1118         instead of DF_REF_REAL_REG.
1119
1120 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1121
1122         PR target/43888
1123         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1124         handling to still return true for x64 targets.
1125
1126 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1127
1128         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1129
1130 2010-05-06  Jan Hubicka  <jh@suse.cz>
1131
1132         PR tree-optimization/43791
1133         * ipa-inline.c (update_caller_keys): Remove bogus
1134         disregard_inline_limits check.
1135
1136 2010-05-06  Michael Matz  <matz@suse.de>
1137
1138         PR tree-optimization/43984
1139         * tree-ssa-pre.c (inserted_phi_names): Remove.
1140         (inserted_exprs): Change to bitmap.
1141         (create_expression_by_pieces): Set bits, don't append to vector.
1142         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1143         (eliminate): Don't look at inserted_phi_names, remove deleted
1144         insns from inserted_exprs.
1145         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1146         (init_pre, fini_pre): Allocate and free bitmaps.
1147         (execute_pre): Insert insns on edges before elimination.
1148
1149 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1150
1151         * tree.c (initializer_zerop): Handle STRING_CST.
1152
1153 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1154
1155         PR 40989
1156         * doc/invoke.texi (Wimplicit): Document as C only.
1157         * opts.c (common_handle_option): Add argument kind.
1158         (handle_option): Rename as read_cmdline_option. Factor out code to...
1159         (handle_option): ... here. New.
1160         (handle_options): Rename as read_cmdline_options.
1161         (decode_options): Update call.
1162         (set_option): Use option index instead of option pointer. Classify
1163         diagnostics correctly.
1164         (enable_warning_as_error): Call handle_option.
1165         * opts.h (set_option): Update declaration.
1166         (handle_option): Declare.
1167         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1168         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1169         * c-opts.c (set_Wimplicit): Delete.
1170         (c_family_lang_mask): New static constant.
1171         (c_common_handle_option): Add argument kind. Use handle_option
1172         instead of set_Wimplicit.
1173         (c_common_post_options): warn_implicit and warn_implicit_int
1174         are disabled by default.
1175         * c-common.c (warn_implicit): Do not define here.
1176         * c-common.h (warn_implicit): Do not declare here.
1177         (c_common_handle_option): Update declaration.
1178         * lto-opts.c (lto_reissue_options): Update call to set_option.
1179
1180 2010-05-06  Richard Guenther  <rguenther@suse.de>
1181
1182         PR tree-optimization/43571
1183         * domwalk.c (walk_dominator_tree): Walk the dominator
1184         sons in more optimal order.
1185
1186 2010-05-06  Richard Guenther  <rguenther@suse.de>
1187
1188         PR tree-optimization/43934
1189         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1190         (stmt_cost): Likewise.
1191         (extract_true_false_args_from_phi): New helper.
1192         (determine_max_movement): For PHI nodes verify we can hoist them
1193         and compute their cost.
1194         (determine_invariantness_stmt): Handle PHI nodes.
1195         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1196         if-converted form using COND_EXPRs.
1197         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1198         (tree_ssa_lim): Likewise.
1199         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1200         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1201
1202 2010-05-06  Richard Guenther  <rguenther@suse.de>
1203
1204         PR tree-optimization/43987
1205         * tree-ssa-structalias.c (could_have_pointers): For possibly
1206         address-taken variables force pointers to be recorded.
1207         (create_variable_info_for_1): Likewise.
1208         (push_fields_onto_fieldstack): Pass in wheter all fields
1209         must have pointers.
1210         (find_func_aliases): Query types instead of vars whether
1211         they contain pointers where appropriate.
1212
1213 2010-05-06  Jan Hubicka  <jh@suse.cz>
1214
1215         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1216         (record_reference, mark_address, mark_load, mark_store): Record
1217         references.
1218         (record_references_in_initializer): Update call of record_references.
1219         (rebuild_cgraph_edges): Remove all references before rebuiding.
1220         * cgraph.c (cgraph_create_node): Clear ref list.
1221         (cgraph_remove_node): Remove references.
1222         (dump_cgraph_node): Dump references.
1223         (cgraph_clone_node): Clone references.
1224         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1225         (struct cgraph_node, varpool_node): Add ref_lst.
1226         * ipa-ref.c: New file.
1227         * ipa-ref.h: New file.
1228         * ipa-ref-inline.h: New file.
1229         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1230         (referenced_from_other_partition_p): New function.
1231         (lto_output_varpool_node): Take set arugment; call
1232         referenced_from_other_partition.
1233         (lto_output_ref): New.
1234         (add_references): New.
1235         (output_refs): New.
1236         (output_cgraph): Compute boundary based on references; output refs.
1237         (output_varpool): Accept cgraph_node_set argument.
1238         (input_ref): New.
1239         (input_refs): New.
1240         (input_cgraph): Call input_refs.
1241         * lto-section-in.c (lto_section_name): Add refs.
1242         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1243         (ipa-ref.o): New file.
1244         * varpool.c (varpool_node): Clear ipa ref list.
1245         (varpool_remove_node): Remove references.
1246         (dump_varpool_node): Dump references.
1247         (varpool_assemble_decl): Only compile finalized ones.
1248         (varpool_extra_name_alias): Initialize ref list.
1249         * lto-streamer.c (lto-get_section_name): Add .refs section.
1250         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1251         (referenced_from_other_partition_p): Declared.
1252
1253 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1254
1255         PR tree-optimization/43901
1256         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1257         type is not NULL if it's transformation phase, and return
1258         FALSE if it's analysis.
1259         (vectorizable_conversion, vectorizable_operation,
1260         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1261
1262 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1263
1264         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1265         Delete.
1266         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1267         New define.
1268         * config/mips/mips-protos.h
1269         (mips_small_register_classes_for_mode_p): Delete prototype.
1270
1271 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1272
1273         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1274         * config/arm/arm.c (multiple_operation_profitable_p,
1275         compute_offset_order): New static functions.
1276         (load_multiple_sequence, store_multiple_sequence): Use them.
1277         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1278         memory offsets, not register numbers.
1279         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1280
1281 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1282
1283         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1284         (get_pending_sizes, put_pending_size, put_pending_sizes):
1285         Update the uses of pending_sizes.
1286         * c-decl.c (store_parm_decls): Likewise.
1287         * c-tree.h (struct c_arg_info): Likewise.
1288         * tree.h: Update the prototype for get_pending_sizes and
1289         put_pending_sizes.
1290
1291 2010-05-05  Jason Merrill  <jason@redhat.com>
1292
1293         PR debug/43370
1294         * c-common.c (handle_aligned_attribute): Respect
1295         ATTR_FLAG_TYPE_IN_PLACE.
1296
1297         PR testsuite/43758
1298         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1299         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1300         (TARGET_INITIALIZER): Use it.
1301         * c-common.c (attribute_takes_identifier_p): Call it.
1302         * c-common.h: Update prototype.
1303         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1304         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1305
1306 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1307
1308         PR debug/43950
1309         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1310         DW_ID_down_case for Fortran compilation units.
1311
1312 2010-05-05  Jan Hubicka  <jh@suse.cz>
1313
1314         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1315         handle aliases.
1316
1317 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1318
1319         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1320         a variable-sized RESULT_DECL.
1321
1322 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1323
1324         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1325
1326 2010-05-05  Jason Merrill  <jason@redhat.com>
1327
1328         PR c++/43787
1329         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1330         returns GS_OK.
1331         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1332
1333 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1334             Jakub Jelinek  <jakub@redhat.com>
1335
1336         PR debug/43478
1337         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1338         (dead_debug_init, dead_debug_finish): New functions.
1339         (dead_debug_add, dead_debug_insert_before): Likewise.
1340         (df_note_bb_compute): Initialize a dead_debug object, add dead
1341         debug uses to it, insert debug bind insns before death insns,
1342         reset debug insns that refer to pending uses at the end.
1343         * rtl.h (make_debug_expr_from_rtl): New prototype.
1344         * varasm.c (make_debug_expr_from_rtl): New function.
1345
1346 2010-05-05  Jan Hubicka  <jh@suse.cz>
1347
1348         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1349         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1350         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1351         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1352         lto_varpool_encoder_encode_initializer_p,
1353         lto_set_varpool_encoder_encode_initializer): New functions.
1354         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1355         call output_varpool.
1356         (input_varpool_node): Do not always set analyzed.
1357         (input_cgraph_1): Return vector of cgraph nodes.
1358         (input_varpool_1): Return vector of varpools.
1359         (input_cgraph): Free the vectors.
1360         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1361         output only initializers needed.
1362         (lto_output): Only call output_cgraph.
1363         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1364         * lto-section-out.c (lto_new_out_decl_state): Initialize
1365         state->varpool_node_encoder.
1366         * lto-streamer.h (lto_varpool_encoder_d): New.
1367         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1368         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1369         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1370         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1371         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1372         Declare.
1373         (output_varpool, input_varpool): Remove declarations.
1374
1375 2010-05-05  Jan Hubicka  <jh@suse.cz>
1376
1377         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1378         with body can prevail.
1379
1380 2010-05-05  Jan Hubicka  <jh@suse.cz>
1381
1382         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1383         size.
1384
1385 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1386
1387         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1388
1389         * gengtype.h (erro_at_line): Constify pos argument.
1390
1391         * gengtype.c: Include hashtab.h.
1392         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1393         (error_at_line): Constify pos argument.
1394         (do_typedef): Initialize p->opt field.
1395         (get_file_gtfilename): Fix comment typo.
1396         (struct walk_type_data): Constify line field.
1397         (get_output_file_for_structure): New function.
1398         (write_local_func_for_structure): Constify orig_s argument.
1399         Use get_output_file_for_structure.
1400         (write_func_for_structure): Use get_output_file_for_structure.
1401         (INDENT): New define.
1402         (dump_pair, dump_type, dump_type_list, dump_typekind)
1403         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1404         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1405         functions.
1406         (seen_types): New variable.
1407         (main): New variable do_dump.  Process "-d" command line option.
1408         Call dump_everything if dump requested.
1409
1410 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1411
1412         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1413         in a temporary instead of invoking the macro multiple times.
1414         (track_expr_p): Likewise.
1415
1416 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1417
1418         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1419         per new semantics.
1420         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1421         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1422         conditions for printing notes.
1423         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1424         true, update documentation.
1425         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1426
1427 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1428
1429         PR c/43981
1430         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1431         on dimen.
1432
1433 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1434
1435         PR target/43799
1436         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1437         (*sse_prologue_save_insn1): Likewise.
1438         (SSE prologue save splitter): Likewise.
1439
1440 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1441
1442         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1443         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1444         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1445         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1446         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1447         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1448         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1449
1450 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1451
1452         * tree-sra.c (build_access_from_expr_1): The first parameter type
1453         changed to simple tree.
1454         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1455         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1456         renamed as well.
1457         (build_accesses_from_assign): Removed all parameters except for a
1458         simple gimple statement.  Now returns a simple bool.
1459         (scan_function): All non-analysis parts moved to separate functions
1460         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1461         parameters and updated both callers.
1462         (sra_modify_expr): Removed parameter data.
1463         (sra_modify_function_body): New function.
1464         (perform_intra_sra): Call sra_modify_function_body to modify the
1465         function body.
1466         (replace_removed_params_ssa_names): Parameter data changed into
1467         adjustments vector.
1468         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1469         changed the parameter dont_convert to convert with the opposite
1470         meaning.
1471         (sra_ipa_modify_assign): Parameter data changed into adjustments
1472         vector, return value changed to bool.
1473         (ipa_sra_modify_function_body): New function.
1474         (sra_ipa_reset_debug_stmts): Updated a comment.
1475         (modify_function): Use ipa_sra_modify_function_body to modify function
1476         body.
1477
1478 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1479
1480         PR middle-end/43671
1481         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1482         (canon_true_dependence): Likewise.
1483         (write_dependence_p): Likewise.
1484
1485 2010-05-04  Jan Hubicka  <jh@suse.cz>
1486
1487         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1488         * cgraphbuild.c: Include ipa-utils.h
1489         (record_reference_ctx): New struct.
1490         (record_reference): Simplify to work on initializers; not statements.
1491         (mark_address, mark_load, mark_store): New.
1492         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1493         walk PHI nodes too.
1494         (record_references_in_initializer): Update use of record_reference.
1495         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1496         walk PHI nodes too.
1497
1498 2010-05-04  Jan Hubicka  <jh@suse.cz>
1499
1500         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1501         node will be removed anyway.
1502         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1503         relink aliases of node into prevailing node.
1504         * varpool.c (varpool_remove_node): Remove aliases properly;
1505         when removing node, remove all its aliases too; remove DECL_INITIAL
1506         of removed node; ggc_free the varpool node.
1507
1508 2010-05-04  Richard Guenther  <rguenther@suse.de>
1509
1510         PR tree-optimization/43879
1511         * tree-ssa-structalias.c (alias_get_name): Use
1512         DECL_ASSEMBLER_NAME if available.
1513         (create_function_info_for): Return the varinfo node.
1514         (ipa_pta_execute): Associate same-body aliases and extra names
1515         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1516
1517 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1518
1519         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1520
1521 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1522
1523         PR bootstrap/43964
1524         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1525         only if HONOR_REG_ALLOC_ORDER is not defined.
1526
1527 2010-05-04  Richard Guenther  <rguenther@suse.de>
1528
1529         PR tree-optimization/43949
1530         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1531         TRUNC_MOD_EXPR.
1532
1533 2010-04-26  Jason Merrill  <jason@redhat.com>
1534
1535         * c.opt (-fstrict-enums): New.
1536         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1537
1538 2010-05-03  David Ung <davidu@mips.com>
1539             James E. Wilson  <wilson@codesourcery.com>
1540
1541         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1542         emit the trap instruction before the divide for TUNE_74K.
1543
1544 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1545
1546         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1547         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1548         based on the above, for new target hook.
1549
1550         * hooks.c (hook_bool_mode_true): New generic hook.
1551         * hooks.h (hook_bool_mode_true): Add prototype.
1552
1553         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1554         target hook.
1555         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1556         target hook, set to hook_bool_mode_false.
1557         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1558         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1559         with targetm.small_register_classes_for_mode_p.
1560         (find_reusable_reload): Likewise.
1561         (combine_reloads): Likewise.
1562         * reload1.c (reload_as_needed): Likewise.
1563         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1564         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1565         dead_or_predicable): Likewise.
1566         * regmove.c (optimize_reg_copy_1): Likewise.
1567         * calls.c (prepare_call_address): Likewise.
1568         (precompute_register_parameters): Likewise.
1569
1570         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1571         hook definition.
1572         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1573         implementation of the hook that considers all register classes
1574         small except for SH64.
1575         (sh_override_options): Use the new hook.
1576         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1577         Add prototype.
1578
1579         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1580         hook definition.
1581         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1582         implementation of the hook that considers all register classes
1583         small for THUMB1.
1584         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1585         Add prototype.
1586
1587         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1588         hook definition.
1589         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1590         implementation of the hook that considers all register classes
1591         small for MIPS16.
1592         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1593         Add prototype.
1594
1595         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1596         hook definition.
1597         * config/m32c/m32c.h: Likewise.
1598         * config/pdp11/pdp11.h: Likewise.
1599         * config/avr/avr.h: Likewise.
1600         * config/xtensa/xtensa.h: Likewise.
1601         * config/m68hc11/m68hc11.h: Likewise.
1602         * config/mn10300/mn10300.h: Likewise.
1603         * config/mcore/mcore.h: Likewise.
1604         * config/h8300/h8300.h: Likewise.
1605         * config/bfin/bfin.h: Likewise.
1606
1607         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1608         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1609
1610 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1611
1612         * double-int.h (tree_to_double_int): Remove macro.
1613         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1614         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1615         (tree_to_double_int): New function.
1616         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1617         Move ...
1618         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1619
1620 2010-05-03  Richard Guenther  <rguenther@suse.de>
1621
1622         PR tree-optimization/43971
1623         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1624         constraints in the !flag_delete_null_pointer_checks case.
1625
1626 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1627
1628         PR debug/43972
1629         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1630         result mode matches original rtl mode.
1631
1632 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1633
1634         PR target/43888
1635         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1636
1637 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1638
1639         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1640         when processing flag options.
1641
1642 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1643
1644         * gcov-iov.c (main): Change format string placeholder
1645         from %#08x to 0x%08x.
1646         * genchecksum.c (dosum): Change format string placeholder
1647         from %#02x to 0x%02x.
1648
1649 2010-05-02  Richard Guenther  <rguenther@suse.de>
1650
1651         PR tree-optimization/43879
1652         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1653
1654 2010-05-02  Bruno Haible  <bruno@clisp.org>
1655
1656         * doc/extend.texi (Function Attributes): Fix a typo.
1657
1658 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1659
1660         Revert:
1661         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1662         placeholder from 0x%x to %#x.
1663         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1664         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1665         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1666         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1667         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1668         * config/i386/i386.c (ix86_target_string): Ditto.
1669         * config/i386/i386.c (output_pic_addr_const): Ditto.
1670         (print_operand): Ditto.
1671
1672 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1673
1674         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1675         placeholder from 0x%x to %#x.
1676         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1677         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1678         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1679         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1680         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1681         * optc-gen.awk: Ditto.
1682         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1683         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1684         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1685         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1686
1687 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1688
1689         * target.h (struct calls): Add function_value_regno_p field.
1690         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1691         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1692         * targhooks.c (default_function_value_regno_p): New function.
1693         * targhooks.h (default_function_value_regno_p): Declare function.
1694         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1695         * builtins.c. (apply_result_size): (Ditto.).
1696         * combine.c. (likely_spilled_retval_p): (Ditto.).
1697         * mode-switching.c. Include 'target.h'.
1698         (create_pre_exit): Use function_value_regno_p hook.
1699         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1700         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1701         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1702
1703         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1704         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1705         (ix86_function_value_regno_p): Declare as static, change argument
1706         type to const unsigned int.
1707         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1708
1709 2010-05-01  Richard Guenther  <rguenther@suse.de>
1710
1711         PR tree-optimization/43949
1712         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1713         types.
1714         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1715
1716 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1717
1718         * rtl.h (CONST_DOUBLE_P): Define.
1719         (rtx_to_double_int): Declare.
1720         * emit-rtl.c (rtx_to_double_int): New function.
1721         * dwarf2out.c (insert_double): New function.
1722         (loc_descriptor, add_const_value_attribute): Clean up, use
1723         rtx_to_double_int and insert_double functions.
1724
1725 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1726
1727         * doc/extend.texi (Inline): Add missing return keyword to examples.
1728         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1729         "command-line".
1730
1731 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1732
1733         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1734         the variable part of the offset as well.  Use highest_pow2_factor for
1735         all alignment checks.
1736
1737 2010-04-30  Richard Guenther  <rguenther@suse.de>
1738
1739         PR tree-optimization/43879
1740         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1741         can have pointers.
1742
1743 2010-04-30  Jan Hubicka  <jh@suse.cz>
1744
1745         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1746         varpool.
1747         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1748
1749 2010-04-30  Jan Hubicka  <jh@suse.cz>
1750
1751         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1752         New.
1753         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1754         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1755         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1756         cgraph_node_set_needs_ltrans_p): Remove.
1757
1758 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1759
1760         * sdbout.c: Include vec.h, do not include varray.h.
1761         (deferred_global_decls, sdbout_global_decl,
1762         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1763         * toplev.c: Do not include varray.h.
1764         (dump_memory_report): Do not dump VARRAY statistics.
1765         * gengtype.c (open_base_file): Ignore varray.h.
1766         * Makefile.in: Update for abovementioned changes.
1767         Remove all traces of varray.c and varray.h.
1768         * varray.c: Remove file.
1769         * varray.h: Remove file.
1770
1771 2010-04-30  Jan Hubicka  <jh@suse.cz>
1772
1773         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1774         references.
1775
1776 2010-04-30  Jan Hubicka  <jh@suse.cz>
1777
1778         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1779         needed.
1780
1781 2010-04-30  Richard Guenther  <rguenther@suse.de>
1782
1783         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1784         constraints for CONSTRUCTOR.
1785
1786 2010-04-30  Richard Guenther  <rguenther@suse.de>
1787
1788         PR lto/43946
1789         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1790         first after all lowering passes.
1791
1792 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1793
1794         * toplev.c: Include varray.h for statistics dumping.
1795         * tree.h: Do not declare varray_head_tag.
1796         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1797         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1798         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1799         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1800         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1801         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1802         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1803         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1804         include varray.h.
1805         * Makefile.in: Update for abovementioned changes.
1806
1807 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1808
1809         PR debug/43942
1810         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1811
1812 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1813
1814         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1815         Use this function to do machine-specific conversion.
1816         (picochip_legitimize_reload_address): Likewise.
1817         (picochip_legitimate_address_p): Check valid base register only if
1818         strict.
1819         (picochip_check_conditional_copy): Check for modw only if opnd is
1820         register.
1821         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1822         to call the function in c.
1823         * config/picochip/picochip-protos.h
1824         (picochip_legitimize_reload_address): Define.
1825         * config/picochip/picochip.md (supported_compare1): Define.
1826
1827 2010-04-30  Jan Hubicka  <jh@suse.cz>
1828
1829         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1830         (cgraph_global_info): Remove inlined.
1831         (LTO_cgraph_tag_names): Remove.
1832         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1833         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1834         simplify cgraph tags and document.
1835         (lto_output_node): Use only LTO_cgraph_unavail_node and
1836         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1837         for_functions_valid, global info, process and output flags.
1838         (input_overwrite_node): Initialize estimated stack size and
1839         estimated growth.  Do not read flags we no longer store.
1840         (input_node): Likewise do not read info no longer stored.
1841         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1842         flag.
1843
1844 2010-04-30  Richard Guenther  <rguenther@suse.de>
1845
1846         PR tree-optimization/43879
1847         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1848         handle non-zero initializers.
1849
1850 2010-04-30  Richard Guenther  <rguenther@suse.de>
1851
1852         * builtins.c (fold_builtin_1): Delete free (0).
1853
1854 2010-04-29  Jan Hubicka  <jh@suse.cz>
1855
1856         * gengtype.c (open_base_files): Add lto-streamer.h
1857         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1858         (pass_ipa_cp): GGC collect.
1859         * toplev. (compile_file): Do not output symbols.
1860         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1861         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1862         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1863         * lto-section-in.c: Include ggc.h
1864         (lto_new_in_decl_state): Alloc in GGC.
1865         (lto_delete_in_decl_state): Likewise.
1866         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1867         Collect.
1868
1869 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1870
1871         PR target/42895
1872         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1873         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1874         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1875         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1876         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1877         account only if HONOR_REG_ALLOC_ORDER is not defined.
1878         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1879         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1880
1881 2010-04-29  Jon Grant  <04@jguk.org>
1882
1883         * collect2.c (vflag): Change type from int to bool.
1884         (debug): Likewise.
1885         (helpflag): New global bool.
1886         (main): Set vflag and debug with boolean, not integer truth values.
1887         Accept new "--help" option and output usage text if found.
1888         * collect2.h (vflag): Update prototype.
1889         (debug): Likewise.
1890
1891 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1892
1893         PR bootstrap/43936
1894         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1895
1896 2010-04-29  Richard Guenther  <rguenther@suse.de>
1897
1898         PR bootstrap/43935
1899         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1900         with ATTRIBUTE_UNUSED.
1901
1902 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1903
1904         PR target/43921
1905         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1906         INSN_P with NONDEBUG_INSN_P.
1907         (distance_non_agu_define): Likewise.
1908         (distance_agu_use): Likewise.
1909
1910 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1911
1912         From Dominique d'Humieres <dominiq@lps.ens.fr>
1913         PR bootstrap/43858
1914         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1915         test_set.
1916
1917 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1918
1919         * plugin.h (invoke_plugin_callbacks): New inline function.
1920         * plugin.c (flag_plugin_added): New global flag.
1921         (add_new_plugin): Initialize above flag.
1922         (invoke_plugin_callbacks): Rename to ...
1923         (invoke_plugin_callbacks_full): ... this.
1924
1925 2010-04-28  Jan Hubicka  <jh@suse.cz>
1926
1927         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1928         (lto_varpool_replace_node): New.
1929         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1930         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1931         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1932         * cgraph.h (varpool_node_ptr): New type.
1933         (varpool_node_ptr): New vector.
1934         (varpool_node_set_def): New structure.
1935         (varpool_node_set): New type.
1936         (varpool_node_set): New vector.
1937         (varpool_node_set_element_def): New structure.
1938         (varpool_node_set_element, const_varpool_node_set_element): New types.
1939         (varpool_node_set_iterator): New type.
1940         (varpool_node): Add prev pointers, add used_from_other_partition,
1941         in_other_partition.
1942         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1943         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1944         varpool_get_node, varpool_remove_node): Declare.
1945         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1946         varpool_node_set_size): New inlines.
1947         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1948         * tree-pass.h (varpool_node_set_def): Forward declare.
1949         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1950         (ipa_write_optimization_summaries): Update prototype.
1951         * ipa-cp.c (ipcp_write_summary): Update.
1952         * ipa-reference.c (ipa_reference_write_summary): Update.
1953         * lto-cgraph.c (lto_output_varpool_node): New static function.
1954         (output_varpool): New function.
1955         (input_varpool_node): New static function.
1956         (input_varpool_1): New function.
1957         (input_cgraph): Input varpool.
1958         * ipa-pure-const.c (pure_const_write_summary): Update.
1959         * lto-streamer-out.c (lto_output): Update, output varpool too.
1960         (write_global_stream): Kill WPA hack.
1961         (produce_asm_for_decls): Update.
1962         (output_alias_pair_p): Handle variables.
1963         (output_unreferenced_globals): Output only needed partition of varpool.
1964         * ipa-inline.c (inline_write_summary): Update.
1965         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1966         cgraph.
1967         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1968         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1969         varpool_node_set_new, varpool_node_set_add,
1970         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1971         debug_varpool_node_set): New functions.
1972         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1973         (execute_one_pass): Process new decls too.
1974         (ipa_write_summaries_2): Pass around vsets.
1975         (ipa_write_summaries_1): Likewise.
1976         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1977         to add.
1978         (ipa_write_optimization_summaries_1): Pass around vsets.
1979         (ipa_write_optimization_summaries): Likewise.
1980         * varpool.c (varpool_get_node): New.
1981         (varpool_node): Update doubly linked lists.
1982         (varpool_remove_node): New.
1983         (dump_varpool_node): More dumping.
1984         (varpool_enqueue_needed_node): Update doubly linked lists.
1985         (decide_is_variable_needed): Kill ltrans hack.
1986         (varpool_finalize_decl): Kill lto hack.
1987         (varpool_assemble_decl): Skip decls in other partitions.
1988         (varpool_assemble_pending_decls): Update doubly linkes lists.
1989         (varpool_empty_needed_queue): Likewise.
1990         (varpool_extra_name_alias): Likewise.
1991         * lto-streamer.c (lto_get_section_name): Add vars section.
1992         * lto-streamer.h (lto_section_type): Update.
1993         (output_varpool, input_varpool): Declare.
1994
1995 2010-04-28  Mike Stump  <mikestump@comcast.net>
1996
1997         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1998
1999 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2000
2001         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2002         record or union type with RECORD_OR_UNION_TYPE_P predicate.
2003         (lto_input_ts_type_tree_pointers): Likewise.
2004         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2005         (lto_output_ts_type_tree_pointers): Likewise.
2006
2007 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2008
2009         Uniquization of constants at the Tree level
2010         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2011         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2012         bit to the end.
2013         (tree_output_constant_def): Declare.
2014         * gimplify.c (gimplify_init_constructor): When using block copy, first
2015         uniquize the constant constructor on the RHS.
2016         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2017         DECL_IN_CONSTANT_POOL flag.
2018         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2019         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2020         constant pool.
2021         (assemble_variable): Deal with symbols belonging to the tree constant
2022         pool.
2023         (get_constant_section): Add ALIGN parameter and simplify.
2024         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2025         (assemble_constant_contents): Use the expression of the VAR_DECL.
2026         (output_constant_def_contents): Use the alignment of the VAR_DECL.
2027         (tree_output_constant_def): New global function.
2028         (mark_constant): Use the expression of the VAR_DECL.
2029         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2030         its expression.
2031         (output_object_block): Likewise and assemble the expression.
2032
2033 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2034
2035         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2036         hash_tree, eq_tree): New tree hash table.
2037         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2038         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2039         lto_orig_address_remove): Reimplement.
2040
2041 2010-04-28  Xinliang David Li  <davidxl@google.com>
2042
2043         PR c/42643
2044         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2045         (compute_uninit_opnds_pos): New function.
2046         (is_non_loop_exit_postdominating): New function.
2047         (compute_control_dep_chain): New function.
2048         (find_pdom): New function.
2049         (convert_control_dep_chain_into_preds): New function.
2050         (find_predicates): New function.
2051         (find_control_equiv_block): New function.
2052         (collect_phi_def_edges): New function.
2053         (find_def_preds): New function.
2054         (find_dom): New function.
2055         (dump_predicates): New function.
2056         (get_cmp_code): New function.
2057         (is_value_included_in): New function.
2058         (find_matching_predicate_in_rest_chains): New function.
2059         (use_pred_not_overlap_with_undef_path_pred): New function.
2060         (is_use_properly_guarded): New function.
2061         (normalize_cond_1): New function.
2062         (is_and_or_or): New function.
2063         (normalize_cond): New function.
2064         (is_gcond_subset_of): New function.
2065         (is_subset_of_any): New function.
2066         (is_or_set_subset_of): New function.
2067         (is_and_set_subset_of): New function.
2068         (is_norm_cond_subset_of): New function.
2069         (is_pred_expr_subset_of): New function.
2070         (is_pred_chain_subset_of): New function.
2071         (is_included_in): New function.
2072         (is_superset_of): New function.
2073         (find_uninit_use): New function.
2074         (warn_uninitialized_phi): New function.
2075         (compute_possibly_undefined_names): New function.
2076         (ssa_undefined_value_p): New function.
2077         (execute_late_warn_uninitialized): New function.
2078         * tree-ssa.c (ssa_undefined_value_p): Removed.
2079         (warn_uninit): Changed to extern.
2080         (warn_uninitialized_phi): Removed.
2081         (warn_uninitialized_vars): Changed to extern.
2082         (execute_late_warn_uninitialized): Removed
2083         * tree-flow.h: Add new prototypes.
2084         * timevar.def: Add new time variable.
2085         * Makefile.in: Add new build file.
2086
2087 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
2088
2089         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2090         type if available.
2091
2092 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2093
2094         PR target/22224
2095         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2096
2097 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2098
2099         * cgraph.h (struct cgraph_node): New field indirect_calls.
2100         (struct cgraph_indirect_call_info): New type.
2101         (struct cgraph_edge): Removed field indirect_call. New fields
2102         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2103         (cgraph_create_indirect_edge): Declare.
2104         (cgraph_make_edge_direct): Likewise.
2105         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2106         * ipa-prop.h (struct ipa_param_call_note): Removed.
2107         (struct ipa_node_params): Removed field param_calls.
2108         (ipa_create_all_structures_for_iinln): Declare.
2109         * cgraph.c: Described indirect edges and uids in initial comment.
2110         (cgraph_add_edge_to_call_site_hash): New function.
2111         (cgraph_edge): Search also among the indirect edges, use
2112         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2113         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2114         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2115         site hash.
2116         (initialize_inline_failed): Assign a reason to indirect edges.
2117         (cgraph_create_edge_1): New function.
2118         (cgraph_create_edge): Moved some functionality to
2119         cgraph_create_edge_1.
2120         (cgraph_create_indirect_edge): New function.
2121         (cgraph_edge_remove_callee): Add an assert checking for
2122         non-indirectness.
2123         (cgraph_edge_remove_caller): Special-case indirect edges.
2124         (cgraph_remove_edge): Likewise.
2125         (cgraph_set_edge_callee): New function.
2126         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2127         (cgraph_make_edge_direct): New function.
2128         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2129         the declaration of the call statement matches.
2130         (cgraph_node_remove_callees): Special-case indirect edges.
2131         (cgraph_clone_edge): Likewise.
2132         (cgraph_clone_node): Clone also the indirect edges.
2133         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2134         indirect_call, dump count of indirect_calls edges.
2135         * ipa-prop.c (iinlining_processed_edges): New variable.
2136         (ipa_note_param_call): Create indirect edges instead of
2137         creating notes.  New parameter node.
2138         (ipa_analyze_call_uses): New parameter node, pass it on to
2139         ipa_note_param_call.
2140         (ipa_analyze_stmt_uses): Likewise.
2141         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2142         (print_edge_addition_message): Work on edges rather than on notes.
2143         (update_call_notes_after_inlining): Likewise, renamed to
2144         update_indirect_edges_after_inlining.
2145         (ipa_create_all_structures_for_iinln): New function.
2146         (ipa_free_node_params_substructures): Do not free notes.
2147         (ipa_edge_duplication_hook): Propagate bits within
2148         iinlining_processed_edges bitmap.
2149         (ipa_node_duplication_hook): Do not duplicate notes.
2150         (free_all_ipa_structures_after_ipa_cp): Renamed to
2151         ipa_free_all_structures_after_ipa_cp.
2152         (free_all_ipa_structures_after_iinln): Renamed to
2153         ipa_free_all_structures_after_iinln.
2154         (ipa_write_param_call_note): Removed.
2155         (ipa_read_param_call_note): Removed.
2156         (ipa_write_indirect_edge_info): New function.
2157         (ipa_read_indirect_edge_info): Likewise.
2158         (ipa_write_node_info): Do not stream notes, do stream information
2159         in indirect edges.
2160         (ipa_read_node_info): Likewise.
2161         (lto_ipa_fixup_call_notes): Removed.
2162         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2163         * ipa-inline.c (pass_ipa_inline): Likewise.
2164         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2165         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2166         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2167         is_gimple_call.
2168         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2169         edges.
2170         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2171         (output_cgraph): Stream also indirect edges.
2172         (lto_output_edge): Added capability to stream indirect edges.
2173         (input_edge): Likewise.
2174         (input_cgraph_1): Likewise.
2175         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2176         of indirect edges.
2177
2178 2010-04-28  Richard Guenther  <rguenther@suse.de>
2179
2180         PR tree-optimization/43879
2181         PR tree-optimization/43909
2182         * tree-ssa-structalias.c (struct variable_info): Add
2183         only_restrict_pointers flag.
2184         (new_var_info): Initialize it.  Increment stats.total_vars here.
2185         (create_function_info_for): Do not increment stats.total_vars here.
2186         (get_function_part_constraint): Fix build with C++.
2187         (insert_into_field_list): Remove.
2188         (push_fields_onto_fieldstack): Properly merge fields.
2189         (create_variable_info_for): Split and simplify.
2190         (create_variable_info_for_1): New piece.
2191         (intra_create_variable_infos): Properly make restrict constraints
2192         from parameters.
2193
2194 2010-04-28  Richard Guenther  <rguenther@suse.de>
2195
2196         PR c++/43880
2197         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2198
2199 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2200             Jan Hubicka <hubicka@ucw.cz>
2201
2202         * doc/invoke.texi (-Wsuggest-attribute=const,
2203         -Wsuggest-attribute=pure): Document.
2204         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2205         (function_always_visible_to_compiler_p,
2206         suggest_attribute, warn_function_pure, warn_function_const):
2207         New functions.
2208         (check_call): Improve debug info.
2209         (analyze_function): Do not check availability.
2210         (add_new_function): Check availability.
2211         (propagate): Output warnings.
2212         (skip_function_for_local_pure_const): New function.
2213         (local_pure_const): Use it; output warnings.
2214         * common.opt (Wsuggest-attribute=const,
2215         Wsuggest-attribute=pure): New.
2216
2217 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2218
2219         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2220         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2221         or DW_CFA_def_cfa_offset{,_sf}.
2222
2223 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2224
2225         * tree.h: Fix truncated long macros.
2226
2227 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2228
2229         * collect2.c (TARGET_64BIT): Redefine to target's default.
2230         * tlink.c: Likewise.
2231         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2232         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2233         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2234         for underscoring __USER_LABEL_PREFIX__.
2235         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2236         (SUB_LINK_ENTRY32): New.
2237         (SUB_LINK_ENTRY64): New.
2238         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2239         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2240         (SUB_LINK_ENTRY64): New.
2241         (SUB_LINK_ENTRY): New.
2242         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2243         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2244         x64 target is choosen.
2245         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2246         * configure: Regenerated.
2247         * configure.ac (leading-mingw64-underscores): Option added.
2248
2249 2010-04-27  Jan Hubicka  <jh@suse.cz>
2250
2251         * doc/invoke.texi (-fipa-profile): Document.
2252         * opts.c (decode_options): Enable ipa-profile at -O1.
2253         * timevar.def (TV_IPA_PROFILE): Define.
2254         * common.opt (fipa-profile): Add.
2255         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2256         flag for clones.
2257         (cgraph_propagate_frequency): Handle only local ones.
2258         * tree-pass.h (pass_ipa_profile): Declare.
2259         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2260         (pass_ipa_profile): Use TV_IPA_PROFILE.
2261         * ipa.c (ipa_profile): New function.
2262         (gate_ipa_profile): Likewise.
2263         (pass_ipa_profile): New global variable.
2264         * passes.c (pass_ipa_profile): New.
2265
2266 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2267
2268         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2269
2270 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2271
2272         PR middle-end/43812
2273         * ipa.c (dissolve_same_comdat_group_list): New function.
2274         (function_and_variable_visibility): Call
2275         dissolve_same_comdat_group_list when comdat group contains external or
2276         newly local nodes.
2277         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2278         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2279
2280 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2281
2282         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2283         (const_hash_1) <VECTOR_CST>: New case.
2284         (compare_constant) <VECTOR_CST>: Likewise.
2285         <ADDR_EXPR>: Deal with LABEL_REFs.
2286         (copy_constant) <VECTOR_CST>: New case.
2287
2288 2010-04-27  Jan Hubicka  <jh@suse.cz>
2289
2290         * cgraph.c (cgraph_propagate_frequency): New function.
2291         * cgraph.h (cgraph_propagate_frequency): Declare.
2292         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2293         cgraph_propagate_frequency.
2294
2295 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2296
2297         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2298
2299 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2300
2301         PR target/40657
2302         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2303         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2304         here to determine which regs to push and how much stack to reserve.
2305
2306 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2307
2308         * doc/gimple.texi (gimple_statement_with_ops): Remove
2309         addresses_taken field.
2310         (gimple_statement_with_memory_ops): Likewise.
2311
2312 2010-04-27  Jan Hubicka  <jh@suse.cz>
2313
2314         * tree-inline.c (eni_inlining_weights): Remove.
2315         (estimate_num_insns): Special case more builtins.
2316
2317 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2318
2319         PR c/32207
2320         * c-typeck.c (build_binary_op): Move forward check for comparison
2321         pointer with null pointer constant and adjust the diagnostic message.
2322
2323 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2324
2325         PR lto/42776
2326         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2327         binutils supports extended .section directive needed by LTO, or
2328         warn if older binutils found.
2329         (LTO_BINARY_READER): New AC_SUBST'd variable.
2330         (LTO_USE_LIBELF): Likewise.
2331         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2332         variable.
2333         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2334         (LTO_USE_LIBELF): Likewise.
2335         * configure: Regenerate.
2336
2337         * collect2.c (is_elf): Rename from this ...
2338         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2339          object files in addition to ELF-formatted ones.
2340         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2341         symbol to be prefixed or not by an extra underscore.
2342
2343         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2344         * config/i386/winnt.c: Also #include lto-streamer.h
2345         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2346         LTO named sections.
2347         (i386_pe_asm_output_aligned_decl_common): Add comment.
2348         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2349
2350 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2351
2352         PR target/43889
2353         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2354         Add missing earlyclobber for second alternative.
2355
2356 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2357
2358         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2359         bits for artificial defs at the top of the block.
2360         * fwprop.c (single_def_use_enter_block): Don't call it.
2361
2362 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2363
2364         PR 43715
2365         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2366         instead of "$gcc_cv_objdump -T".
2367         Use "-undefined dynamic_lookup" on darwin.
2368         * gcc/configure: Regenerate.
2369
2370 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2371
2372         PR c/43893
2373         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2374
2375 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2376
2377         * c-parser.c (struct c_token): Move location field up.
2378         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2379         (struct c_declspecs): Convert typespec_word, storage_class, and
2380         default_int_p into bitfields.
2381         (struct c_declarator): Move loc field up.
2382
2383 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2384
2385         * cfgloop.h (struct loop): Move can_be_parallel field up.
2386         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2387         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2388         down.
2389         (struct iv_cand): Convert pos field into a bitfield.
2390         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2391         field up.
2392         (struct _stmt_vec_info): Shuffle fields for better packing.
2393
2394 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2395
2396         * varasm.c (IN_NAMED_SECTION): Remove guard.
2397         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2398         (IN_NAMED_SECTION_P): ...this.
2399         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2400         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2401
2402 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2403
2404         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2405         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2406         of shadowing it.  Fix comments.
2407
2408 2010-04-26  Jan Hubicka  <jh@suse.cz>
2409
2410         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2411         (cgraph_clone_node): Copy function frequency.
2412         * cgraph.h (node_frequency): New enum
2413         (struct cgraph_node): Add.
2414         * final.c (rest_of_clean_state): Update.
2415         * lto-cgraph.c (lto_output_node): Output node frequency.
2416         (input_overwrite_node): Input node frequency.
2417         * tre-ssa-loop-ivopts (computation_cost): Update.
2418         * lto-streamer-out.c (output_function): Do not output function
2419         frequency.
2420         * predict.c (maybe_hot_frequency_p): Update and handle functions
2421         executed once.
2422         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2423         attribute lookup.
2424         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2425         (compute_function_frequency): Set noreturn functions to be executed
2426         once.
2427         (choose_function_section): Update.
2428         * lto-streamer-in.c (input_function): Do not input function frequency.
2429         * function.c (allocate_struct_function): Do not initialize function
2430         frequency.
2431         * function.h (function_frequency): Remove.
2432         (struct function): Remove function frequency.
2433         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2434         (try_update): Update.
2435         * tree-inline.c (initialize_cfun): Do not update function frequency.
2436         * passes.c (pass_init_dump_file): Update.
2437         * i386.c (ix86_compute_frame_layout): Update.
2438         (ix86_pad_returns): Update.
2439
2440 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2441
2442         PR tree-optimization/43833
2443         * tree-vrp.c (range_int_cst_p): New.
2444         (range_int_cst_singleton_p): New.
2445         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2446         when both operands are constants.  Use range_int_cst_p in
2447         BIT_IOR_EXPR case.
2448
2449 2010-04-26  Jan Hubicka  <jh@suse.cz>
2450
2451         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2452
2453 2010-04-26  Richard Guenther  <rguenther@suse.de>
2454
2455         PR lto/43080
2456         * gimple.c (gimple_decl_printable_name): Deal gracefully
2457         with a NULL DECL_NAME.
2458
2459 2010-04-26  Richard Guenther  <rguenther@suse.de>
2460
2461         PR lto/42425
2462         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2463         if emitting debug information and it is either a function
2464         or a namespace decl.
2465
2466 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2467
2468         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2469         determine if the statement is vectorizable, and a macro to access it.
2470         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2471         Skip statements that can't be vectorized. If the analysis fails,
2472         mark the statement as unvectorizable if vectorizing basic block.
2473         (vect_compute_data_refs_alignment): Likewise.
2474         (vect_verify_datarefs_alignment): Skip statements marked as
2475         unvectorizable. Add print.
2476         (vect_analyze_group_access): Skip statements that can't be
2477         vectorized. If the analysis fails, mark the statement as
2478         unvectorizable if vectorizing basic block.
2479         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2480         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2481         generated stmts for SLP.
2482         (new_stmt_vec_info): Initialize the new field.
2483         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2484         statements marked as unvectorizable.
2485
2486 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2487
2488         * c-common.c (flag_isoc1x): New.
2489         (flag_isoc99): Update comment.
2490         * c-common.h (flag_isoc1x): New.
2491         (flag_isoc99): Update comment.
2492         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2493         __<type>_DECIMAL_DIG__.
2494         * c-opts.c (set_std_c1x): New.
2495         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2496         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2497         * c.opt (-std=c1x, -std=gnu1x): New options.
2498         * doc/cpp.texi: Mention -std=c1x.
2499         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2500         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2501         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2502         * doc/standards.texi: Mention C1X.
2503         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2504         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2505         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2506         Define for C1X.
2507
2508 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2509
2510         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2511         placeholder from 0x%x to %#x.
2512         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2513         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2514         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2515         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2516         * config/i386/i386.c (ix86_target_string): Ditto.
2517         (output_pic_addr_const): Ditto.
2518         (print_operand): Ditto.
2519
2520 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2521
2522         * combine.c (find_split_point): Add third argument.  Use it
2523         to find nested multiply-accumulate instructions.  Adjust calls.
2524         (try_combine): Adjust call to find_split_point.
2525
2526 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2527
2528         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2529
2530 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2531
2532         PR tree-optimization/41442
2533         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2534         (fold_binary_loc): Call it.
2535
2536 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2537
2538         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2539         * opts.c (common_handle_option): Allow disabling it.
2540         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2541
2542 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2543
2544         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2545         between modes if both types are integral.
2546
2547 2010-04-23  Richard Guenther  <rguenther@suse.de>
2548
2549         PR tree-optimization/43572
2550         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2551
2552 2010-04-23  Richard Guenther  <rguenther@suse.de>
2553
2554         PR lto/43455
2555         * tree-inline.c (tree_can_inline_p): Also check compatibility
2556         of return types.
2557
2558 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2559
2560         PR tree-optimization/43846
2561         * tree-sra.c (struct access): New flag grp_assignment_read.
2562         (build_accesses_from_assign): Set grp_assignment_read.
2563         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2564         (enum mark_read_status): New type.
2565         (analyze_access_subtree): Propagate grp_assignment_read, create
2566         accesses also if both direct_read and root->grp_assignment_read.
2567
2568 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2569
2570         PR middle-end/43835
2571         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2572         function does not have type attributes.
2573
2574 2010-04-23  Richard Guenther  <rguenther@suse.de>
2575
2576         PR lto/42653
2577         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2578         of FUNCTION_DECLs.
2579
2580 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2581
2582         * sese.h (create_if_region_on_edge): Remove.
2583
2584         * sese.c (create_if_region_on_edge): Make static.
2585
2586         * tree-inline.c: Do not include ggc.h.
2587
2588         * expr.c: Do not include ggc.h.
2589
2590         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2591         dependencies.
2592
2593 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2594
2595         PR target/43744
2596         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2597         in the middle of insns for casesi_worker_2.
2598
2599 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2600
2601         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2602
2603 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2604
2605         PR tree-optimization/43842
2606         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2607         loop unrolling in update of exit phis. Fix comment.
2608         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2609         least two reduction statements in the loop before starting SLP
2610         analysis.
2611
2612 2010-04-22  Nick Clifton  <nickc@redhat.com>
2613
2614         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2615
2616 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2617
2618         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2619         to simplify a + ~a.
2620
2621 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2622
2623         * tree-parloops.c (loop_parallel_p): New argument
2624         parloop_obstack.  Pass it down.
2625         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2626         pass it down, free it.
2627
2628         * tree-loop-linear.c (linear_transform_loops): Pass down
2629         lambda_obstack.
2630
2631         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2632         of type struct obstack *.
2633
2634         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2635         scratch_obstack.  Initialize it, pass down, free it.
2636
2637         * lambda.h (lambda_loop_new): Remove.
2638         (lambda_matrix_new, lambda_matrix_inverse)
2639         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2640         argument of type struct obstack *.
2641
2642         * lambda-trans.c (lambda_trans_matrix_new): New argument
2643         lambda_obstack.  Pass it down, use obstack allocation for ret.
2644         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2645         it down.
2646
2647         * lambda-mat.c (lambda_matrix_get_column)
2648         (lambda_matrix_project_to_null): Remove.
2649         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2650         allocation for mat.
2651         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2652         lambda_obstack.
2653
2654         * lambda-code.c (lambda_loop_new): New function.
2655         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2656         (lambda_compute_auxillary_space, lambda_compute_target_space)
2657         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2658         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2659         (build_access_matrix): New argument lambda_obstack.  Use obstack
2660         allocation for am.
2661         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2662         argument lambda_obstack.  Pass it down.
2663
2664 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2665
2666         * optabs.h (expand_widening_mult): Declare.
2667
2668 2010-04-22  Richard Guenther  <rguenther@suse.de>
2669
2670         PR tree-optimization/43845
2671         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2672         lookup the CALL_EXPR function and arguments.
2673
2674 2010-04-22  Nick Clifton  <nickc@redhat.com>
2675
2676         * config/stormy16/stormy16.c
2677         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2678         * config/stormy16/stormy16.h: Tidy up formatting.
2679         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2680         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2681         (ineqbranchsi): Delete pattern.
2682         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2683         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2684         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2685         stormy16-lib2-ucmpsi2.c.
2686
2687 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2688
2689         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2690         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2691         extra set merge_set_noclobber, and use it to relax the final test
2692         slightly.
2693         * df.h (df_simulate_find_noclobber_defs): Declare.
2694         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2695         conditional defs.
2696         (df_simulate_find_noclobber_defs): New function.
2697
2698 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2699
2700         * config/i386/i386.md: Use {} around multi-line preparation statements.
2701
2702 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2703
2704         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2705         (process_init_element): New argument of type struct obstack *.
2706
2707         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2708         (set_init_index, set_init_label, set_nonincremental_init)
2709         (set_nonincremental_init_from_string, find_init_member)
2710         (output_init_element, output_pending_init_elements)
2711         (process_init_element): New argument braced_init_obstack.  Pass it
2712         down.
2713         (push_range_stack, add_pending_init): New argument
2714         braced_init_obstack.  Use obstack allocation.
2715
2716         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2717         braced_init_obstack.  Pass it down.
2718         (c_parser_braced_init): New variables ret, braced_init_obstack.
2719         Initialize obstack, pass it down and finally free it.
2720
2721 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2722
2723         PR middle-end/29274
2724         * tree-pass.h (pass_optimize_widening_mul): Declare.
2725         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2726         gate_optimize_widening_mul): New static functions.
2727         (pass_optimize_widening_mul): New.
2728         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2729         <case MULT_EXPR>: Remove support for widening multiplies.
2730         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2731         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2732         simplify_gen_unary rather than directly building extensions.
2733         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2734         WIDEN_MULT_EXPR.
2735         * expmed.c (expand_widening_mult): New function.
2736         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2737
2738 2010-04-21  Jan Hubicka  <jh@suse.cz>
2739
2740         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2741         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2742         * lto-wpa-fixup.c: Remove.
2743         * Makefile.in (lto-wpa-fixup.o): Remove.
2744         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2745         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2746         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2747
2748 2010-04-21  Jan Hubicka  <jh@suse.cz>
2749
2750         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2751         add write_optimization_summary, read_optimization_summary.
2752         (ipa_write_summaries_of_cgraph_node_set): Remove.
2753         (ipa_write_optimization_summaries): Declare.
2754         (ipa_read_optimization_summaries): Declare.
2755         * ipa-cp.c (pass_ipa_cp): Update.
2756         * ipa-reference.c (pass_ipa_reference): Update.
2757         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2758         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2759         Update.
2760         * ipa-inline.c (pass_ipa_inline): Update.
2761         * ipa.c (pass_ipa_whole_program): Update.
2762         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2763         * passes.c (ipa_write_summaries_1): Do not test wpa.
2764         (ipa_write_optimization_summaries_1): New.
2765         (ipa_write_optimization_summaries): New.
2766         (ipa_read_summaries): Do not test ltrans.
2767         (ipa_read_optimization_summaries_1): New.
2768         (ipa_read_optimization_summaries): New.
2769
2770 2010-04-21  Jan Hubicka  <jh@suse.cz>
2771
2772         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2773         for boundary nodes.
2774         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2775
2776 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2777
2778         PR debug/40040
2779         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2780         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2781
2782 2010-04-21  Jan Hubicka  <jh@suse.cz>
2783
2784         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2785
2786 2010-04-21  Jan Hubicka  <jh@suse.cz>
2787
2788         * varpool.c (decide_is_variable_needed): Variable is always needed
2789         during ltrans.
2790
2791 2010-04-21  Jan Hubicka  <jh@suse.cz>
2792
2793         * opts.c (decode_options): Enable pure-const pass for whopr.
2794
2795 2010-04-21  Jan Hubicka  <jh@suse.cz>
2796
2797         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2798         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2799         at WPA dumping.
2800         (cgraph_decide_inlining): Do not expect callee to be removed in all
2801         cases.
2802
2803 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2804
2805         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2806
2807 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2808
2809         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2810         amdfam10_decode attributes.
2811
2812 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2813
2814         PR middle-end/43570
2815         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2816         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2817         (lower_copyprivate_clauses): Use private var in outer
2818         context instead of original var.  Make sure the types
2819         are correct for VLAs.
2820
2821 2010-04-21  Richard Guenther  <rguenther@suse.de>
2822
2823         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2824         to non-pointer objects.
2825
2826 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2827
2828         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2829         last chain entry if it starts with the still current label.
2830         (add_location_or_const_value_attribute): Check that
2831         loc_list->first->next is NULL instead of comparing ->first with ->last.
2832         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2833         to add_var_loc_to_decl.
2834
2835         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2836         >= 4 add also address size and segment size fields into CIE header.
2837
2838         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2839         long as address size is the same as sizeof (void *) and
2840         segment size is 0.
2841         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2842         address size or segment size is unexpected, return DW_EH_PE_omit.
2843         (classify_object_over_fdes): If get_cie_encoding returned
2844         DW_EH_PE_omit, return -1.
2845         (init_object): If classify_object_over_fdes returned -1,
2846         pretend there were no FDEs at all.
2847
2848 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2849
2850         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2851         bswap{si,di}2 using SWI48 mode iterator.
2852         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2853         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2854         set modrm attribute of bswap insn to 0 and remove length attribute.
2855         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2856         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2857         set mode attribute to <MODE> and remove length attribute.
2858
2859 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2860
2861         PR rtl-optimization/43520
2862         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2863         zero available registers.
2864
2865 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2866
2867         * builtins.c (fold_builtin_cproj): Fold more cases.
2868
2869 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2870
2871         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2872         (fold_builtin_1): Fold builtin cproj.
2873         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2874         Use ATTR_CONST_NOTHROW_LIST.
2875
2876 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2877
2878         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2879         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2880         ffsi2_no_cmove for !TARGET_CMOVE.
2881         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2882         (ffssi2): Remove expander.
2883         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2884         mode iterator.
2885         (ctz<mode>2): Ditto from ctz{si,di}2.
2886         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2887         mode iterator.
2888         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2889         mode iterator.
2890
2891 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2892
2893         * dwarf2out.c (AT_linkage_name): Define.
2894         (clone_as_declaration): Handle DW_AT_linkage_name.
2895         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2896         of DW_AT_MIPS_linkage_name.
2897         (move_linkage_attr): Likewise.
2898         (dwarf2out_finish): Likewise.
2899
2900 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2901
2902         PR middle-end/41952
2903         * fold-const.c (fold_comparison): New folding rule.
2904
2905 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2906
2907         * double-int.h (double_int_setbit): Declare.
2908         * double-int.c (double_int_setbit): New function.
2909         * rtl.h (immed_double_int_const): Declare.
2910         * emit-rtl.c (immed_double_int_const): New function.
2911         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2912         and immed_double_int_const functions.
2913         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2914         expand_copysign_bit):  (Ditto.).
2915         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2916         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2917         * dojump.c (prefer_and_bit_test): (Ditto.).
2918         * expr.c (convert_modes, reduce_to_bit_field_precision,
2919         const_vector_from_tree): (Ditto.).
2920         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2921
2922 2010-04-20  Jan Hubicka  <jh@suse.cz>
2923
2924         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2925         (dump_cgraph_node): Dump new flags.
2926         * cgraph.h (struct cgraph_node): Add flags
2927         reachable_from_other_partition and in_other_partition.
2928         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2929         other partition can not be removed.
2930         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2931         the other partition must be output; silence sanity checking on
2932         leaking functions bodies from other paritition.
2933         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2934         (lto_output_node): Output new flags; do not sanity check that inline
2935         clones are output; drop lto_forced_extern_inline_p code; do not mock
2936         visibility flags at partition boundaries.
2937         (add_node_to): New function.
2938         (output_cgraph): Use it to sort functions so masters appear before
2939         clones.
2940         (input_overwrite_node): Input new flags.
2941         * passes.c (ipa_write_summaries): Do not call
2942         lto_new_extern_inline_states.
2943         * lto-section-out.c (forced_extern_inline,
2944         lto_new_extern_inline_states lto_delete_extern_inline_states,
2945         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2946         * lto-streamer.h (lto_new_extern_inline_states,
2947         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2948         lto_forced_extern_inline_p): Kill.
2949
2950 2010-04-20  Richard Guenther  <rguenther@suse.de>
2951
2952         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2953         from vars that can have pointers.
2954         (process_constraint): Dump useless constraints.
2955
2956 2010-04-20  Richard Guenther  <rguenther@suse.de>
2957
2958         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2959         (dump_sa_points_to_info): Remove asserts.
2960         (init_base_vars): nothing_id isn't an escape point nor does it
2961         have pointers.
2962
2963 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2964
2965         * tree.h (TYPE_REF_IS_RVALUE): Define.
2966         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2967         should_move_die_to_comdat, prune_unused_types_walk): Handle
2968         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2969         (modified_type_die, gen_reference_type_die): Emit
2970         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2971         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2972
2973 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2974
2975         PR target/43635
2976         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2977         calls for -fpic -m31 if they have been sibcall optimized.
2978
2979 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2980
2981         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2982         ar.lc fixed and call-used.
2983
2984         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2985
2986 2010-04-19  Jan Hubicka  <jh@suse.cz>
2987
2988         * opts.c (decode_options): Disable whpr incompatible passes.
2989         * lto/lto.c (lto_1_to_1_map): Skip clones.
2990         (read_cgraph_and_symbols): Do not mark everything as needed.
2991         (do_whole_program_analysis): Do map only after optimizing;
2992         set proper cgraph_state; use passmanager.
2993
2994 2010-04-19  DJ Delorie  <dj@redhat.com>
2995
2996         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2997         POINTER_PLUS_EXPR and fix them.
2998
2999 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
3000
3001         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3002         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3003         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3004         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3005         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3006         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3007         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3008         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3009         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3010         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3011         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3012
3013 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
3014
3015         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3016         (check_cond_move_block): Likewise.
3017         (cond_move_process_if_block): Likewise.
3018         (noce_find_if_block): Improve formatting.
3019         (find_if_header): Pass 0 to memset and tweak conditions.
3020         (cond_exec_find_if_block): Fix long lines and tweak conditions.
3021
3022 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3023
3024         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3025         for -gdwarf-4.
3026
3027         PR middle-end/43337
3028         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3029         with non-local decl doesn't need chain.
3030
3031 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
3032
3033         * ira-color.c (allocno_reload_assign): Avoid accumulating
3034         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3035
3036 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3037
3038         * gimple.h (create_tmp_reg): Declare.
3039         * gimplify.c (create_tmp_reg): New function.
3040         (gimplify_return_expr): Use create_tmp_reg.
3041         (gimplify_omp_atomic): Likewise.
3042         (gimple_regimplify_operands): Likewise.
3043         * tree-dfa.c (make_rename_temp): Likewise.
3044         * tree-predcom.c (predcom_tmp_var): Likewise.
3045         (reassociate_to_the_same_stmt): Likewise.
3046         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3047         (get_replaced_param_substitute): Likewise.
3048         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3049         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3050         * tree-ssa-pre.c (get_representative_for): Likewise.
3051         (create_expression_by_pieces): Likewise.
3052         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3053         (create_tailcall_accumulator): Likewise.
3054
3055 2010-04-19  Martin Jambor  <mjambor@suse.cz>
3056
3057         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3058         new_stmt.
3059         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3060
3061 2010-04-19  Richard Guenther  <rguenther@suse.de>
3062
3063         PR tree-optimization/43796
3064         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3065         from SCEV in the lattice.
3066         (vrp_visit_phi_node): Dump change.
3067
3068 2010-04-19  Richard Guenther  <rguenther@suse.de>
3069
3070         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3071         * configure: Re-generated.
3072
3073 2010-04-19  Richard Guenther  <rguenther@suse.de>
3074
3075         PR tree-optimization/43783
3076         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3077         constant ARRAY_REF operands two and three if possible.
3078
3079 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
3080
3081         PR target/43766
3082         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3083
3084 2010-04-19  Jie Zhang  <jie@codesourcery.com>
3085
3086         PR target/43662
3087         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3088
3089 2010-04-19  Ira Rosen  <irar@il.ibm.com>
3090
3091         PR tree-optimization/37027
3092         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3093         and macro to access it.
3094         (vectorizable_reduction): Add argument.
3095         (vect_get_slp_defs): Likewise.
3096         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3097         statements for possible use in SLP.
3098         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3099         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3100         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3101         add new argument.
3102         (vectorizable_reduction): Likewise.
3103         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3104         vect_get_slp_defs.
3105         (vectorizable_type_demotion, vectorizable_type_promotion,
3106         vectorizable_store): Likewise.
3107         (vect_analyze_stmt): Update call to vectorizable_reduction.
3108         (vect_transform_stmt): Likewise.
3109         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3110         (vect_build_slp_tree): Fix indentation. Check that there are no loads
3111         from different interleaving chains in same node.
3112         (vect_slp_rearrange_stmts): New function.
3113         (vect_supported_load_permutation_p): Allow load permutations for
3114         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3115         inside SLP nodes if necessary.
3116         (vect_analyze_slp_instance): Handle reductions.
3117         (vect_analyze_slp): Try to build SLP instances originating from groups
3118         of reductions.
3119         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3120         (vect_get_constant_vectors): Create initial vectors for reductions
3121         according to reduction code. Add new argument.
3122         (vect_get_slp_defs): Add new argument, pass it to
3123         vect_get_constant_vectors.
3124         (vect_schedule_slp_instance): Remove SLP tree root statements.
3125
3126 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3127
3128         * tree.h (ENUM_IS_SCOPED): Define.
3129         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3130         for ENUM_IS_SCOPED enums.
3131
3132 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3133
3134         * fold-const.c (fold_comparison): Use ssizetype.
3135         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3136         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3137         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3138         * tree-object-size.c (compute_object_sizes): Use size_type_node.
3139
3140         * tree.h (initialize_sizetypes): Remove parameter.
3141         (build_common_tree_nodes): Remove second parameter.
3142         * stor-layout.c (initialize_sizetypes): Remove parameter.
3143         Always create an unsigned type.
3144         (set_sizetype): Assert that the passed type is unsigned and simplify.
3145         * tree.c (build_common_tree_nodes): Remove second parameter.
3146         Adjust call to initialize_sizetypes.
3147         * c-decl.c (c_init_decl_processing): Remove second argument in call to
3148         build_common_tree_nodes.
3149
3150 2010-04-18  Matthias Klose  <doko@ubuntu.com>
3151
3152         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3153
3154 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3155
3156         PR tree-optimization/43771
3157         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3158         load permutation doesn't have gaps.
3159
3160 2010-04-18  Jan Hubicka  <jh@suse.cz>
3161
3162         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3163         (sse_prologue_save_insn expander): Use new pattern.
3164         (sse_prologue_save_insn1): New pattern and splitter.
3165         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3166         blocks.
3167         * i386.c (setup_incoming_varargs_64): Do not compute jump
3168         destination here.
3169         (ix86_gimplify_va_arg): Update alignment needed.
3170         (ix86_local_alignment): Do not align all local arrays to 128bit.
3171
3172 2010-04-17  Jan Hubicka  <jh@suse.cz>
3173
3174         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3175
3176 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3177
3178         * arm.md (negdi2): Remove redundant code to force values into a
3179         register.
3180
3181 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3182
3183         * arm/bpabi.S: Add EABI alignment attributes to objects.
3184         * arm/bpabi-v6m.S: Likewise.
3185         * arm/crti.asm: Likewise.
3186         * arm/crtn.asm: Likewise.
3187         * arm/lib1funcs.asm: Likewise.
3188         * arm/libunwind.S: Likewise.
3189
3190 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3191
3192         * arm-protos.h (tune_params): New structure.
3193         * arm.c (current_tune): New variable.
3194         (arm_constant_limit): Delete.
3195         (struct processors): Add pointer to the tune parameters.
3196         (arm_slowmul_tune): New tuning option.
3197         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3198         (all_cores): Adjust to pick up the tuning model.
3199         (arm_constant_limit): New function.
3200         (arm_override_options): Select the appropriate tuning model.  Delete
3201         initialization of arm_const_limit.
3202         (arm_split_constant): Use the new constant-limit model.
3203         (arm_rtx_costs): Pick up the current tuning model.
3204         * arm.md (is_strongarm, is_xscale): Delete.
3205         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3206         for Xscale variant architectures.
3207         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3208
3209 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3210
3211         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3212         can_shift.
3213         (arm_rtx_costs_1): Remove unused variable extra_cost.
3214         (arm_unwind_emit_set): Use variable offset.
3215         (thumb1_output_casesi): Remove unused variable flags.
3216
3217 2010-04-16  Jeff Law  <law@redhat.com>
3218
3219         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3220         needing assignment rather than doing a two-phase assignment.  Remove
3221         unused variable 'm'.
3222
3223 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3224
3225         PR bootstrap/43767
3226         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3227
3228 2010-04-16  Doug Kwan  <dougkwan@google.com>
3229
3230         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3231         (next_operand_entry_id): New static variable.
3232         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3233         (add_to_ops_vec): Assigned unique ID to operand entry.
3234         (struct oecount_s): New field ID.
3235         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3236         (undistribute_ops_list): Assign unique IDs to oecounts.
3237         (init_reassoc): reset next_operand_entry_id.
3238
3239 2010-04-16  Doug Kwan  <dougkwan@google.com>
3240
3241         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3242         missing left parenthesis.
3243
3244 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3245
3246         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3247         *btdi_rex64 using SWI48 mode iterator.
3248         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3249         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3250         *jcc_btdi_mask_rex64.
3251
3252 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3253
3254         * double-int.h (tree_to_double_int): Convert to macro.
3255         * double-int.c (tree_to_double_int): Remove.
3256
3257 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3258
3259         PR debug/43762
3260         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3261         with want_address 2 and in case a single element list might be
3262         possible, call it again with want_address 0.
3263
3264 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3265
3266         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3267         case 'W' print operands for HI mode.
3268         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3269         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3270         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3271         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3272
3273         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3274
3275         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3276         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3277         #xx:3 and #xx:4 mode.
3278
3279         * config/h8300/h8300.md (inverted load with HImode dest): Add
3280         support for H8300SX.
3281
3282         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3283         satisfy 'U' constraint.
3284
3285 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3286
3287         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3288         * configure: Regenerate.
3289         * config.in: Regenerate.
3290         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3291         works.
3292
3293 2010-04-16  Richard Guenther  <rguenther@suse.de>
3294
3295         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3296         (struct tree_decl_common): ... here.
3297         (DECL_PT_UID): Adjust.
3298         (SET_DECL_PT_UID): Likewise.
3299         (DECL_PT_UID_SET_P): Likewise.
3300
3301 2010-04-16  Richard Guenther  <rguenther@suse.de>
3302
3303         PR tree-optimization/43572
3304         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3305         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3306         * tree-flow.h (is_call_clobbered): Remove.
3307         * tree-flow-inline.h (is_call_clobbered): Likewise.
3308         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3309         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3310         (execute_return_slot_opt): Adjust.
3311         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3312         check for call clobbered vars here.
3313         (find_tail_calls): Move tailcall verification to the
3314         proper place.
3315
3316 2010-04-16  Diego Novillo  <dnovillo@google.com>
3317
3318         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3319
3320 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3321
3322         PR target/40603
3323         * config/arm/arm.md (cbranchqi4): New pattern.
3324         * config/arm/predicates.md (const0_operand,
3325         cbranchqi4_comparison_operator): New predicates.
3326
3327 2010-04-16  Richard Guenther  <rguenther@suse.de>
3328
3329         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3330         (dump_gimple_stmt): Likewise.
3331
3332 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3333
3334         * recog.h (struct recog_data): New field is_operator.
3335         (struct insn_operand_data): New field is_operator.
3336         * recog.c (extract_insn): Set recog_data.is_operator.
3337         * genoutput.c (output_operand_data): Emit code to set the
3338         is_operator field.
3339         * reload.c (find_reloads): Use it rather than testing for an
3340         empty constraint string.
3341
3342         PR target/41514
3343         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3344         If the previous insn is a cbranchsi4_insn with the same arguments,
3345         omit the compare instruction.
3346
3347         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3348         register, inputs must be low registers and we need a low register
3349         scratch.  Handle alternative 2 like alternative 3.
3350
3351 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3352
3353         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3354         don't call get_addr on both.  If one expression is a VALUE and
3355         the other a REG, check VALUE's locs if the REG isn't among them.
3356
3357 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3358
3359         * config/sh/sh.h (sh_frame_pointer_required): New function.
3360         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3361         (flag_omit_frame_pointer) Set.
3362         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3363         (rounded_frame_size): Adjust size with outgoing_args_size.
3364         (sh_set_return_address): Must return from stack pointer.
3365         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3366         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3367         (ACCUMULATE_OUTGOING_ARGS): Define.
3368         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3369         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3370
3371 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3372
3373         PR target/43471
3374         * config/sh/sh.c (sh_legitimize_reload_address): Use
3375         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3376         Remove a unneeded check for offset_base.
3377
3378 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3379
3380         * configure: Regenerated.
3381
3382 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3383
3384         * config/s390/s390.c (s390_call_save_register_used): Switch back
3385         to HARD_REGNO_NREGS.
3386
3387 2010-04-15  Richard Guenther  <rguenther@suse.de>
3388
3389         * alias.c (alias_set_subset_of): Handle alias-set zero
3390         child properly.
3391
3392 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3393             Julian Brown  <julian@codesourcery.com>
3394
3395         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3396         alternatives according to use of high and low regs.
3397         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3398         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3399         optimizing for size on Thumb-2.
3400
3401 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3402
3403         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3404
3405 2010-04-15  Richard Guenther  <rguenther@suse.de>
3406
3407         * tree-ssa-structalias.c (struct variable_info): Add
3408         is_fn_info flag.
3409         (new_var_info): Initialize it.
3410         (dump_constraints): Support printing last added constraints.
3411         (debug_constraints): Adjust.
3412         (dump_constraint_graph): Likewise.
3413         (make_heapvar_for): Check for NULL cfun.
3414         (get_function_part_constraint): New function.
3415         (get_fi_for_callee): Likewise.
3416         (find_func_aliases): Properly implement IPA PTA constraints.
3417         (process_ipa_clobber): New function.
3418         (find_func_clobbers): Likewise.
3419         (insert_into_field_list_sorted): Remove.
3420         (create_function_info_for): Properly allocate vars for IPA mode.
3421         Do not use insert_into_field_list_sorted.
3422         (create_variable_info_for): Properly generate constraints for
3423         global vars in IPA mode.
3424         (dump_solution_for_var): Always dump the solution.
3425         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3426         (find_what_var_points_to): Adjust.
3427         (pt_solution_set): Change.
3428         (pt_solution_ior_into): New function.
3429         (pt_solution_empty_p): Export.
3430         (pt_solution_includes_global): Adjust.
3431         (pt_solution_includes_1): Likewise.
3432         (pt_solutions_intersect_1): Likewise.
3433         (dump_sa_points_to_info): Check some invariants.
3434         (solve_constraints): Move constraint dumping ...
3435         (compute_points_to_sets): ... here.
3436         (ipa_pta_execute): ... and here.
3437         (compute_may_aliases): Do not re-compute points-to info
3438         locally if IPA info is available.
3439         (ipa_escaped_pt): New global var.
3440         (ipa_pta_execute): Properly implement IPA PTA.
3441         * tree-into-ssa.c (dump_decl_set): Support dumping
3442         decls not in referenced-vars.
3443         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3444         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3445         (dump_points_to_solution): Likewise.
3446         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3447         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3448         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3449         (copy_decl_to_var): Copy DECL_PT_UID.
3450         (copy_result_decl_to_var): Likewise.
3451         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3452         (copy_node_stat): Copy it.
3453         * tree.h (DECL_PT_UID): New macro.
3454         (SET_DECL_PT_UID): Likewise.
3455         (DECL_PT_UID_SET_P): Likewise.
3456         (struct tree_decl_minimal): Add pt_uid member.
3457         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3458         (pt_solution_empty_p): Declare.
3459         (pt_solution_set): Adjust.
3460         (ipa_escaped_pt): Declare.
3461         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3462         * gimple-pretty-print.c (pp_points_to_solution): New function.
3463         (dump_gimple_call): Dump call clobber/use information.
3464         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3465         * tree-pass.h (TDF_ALIAS): New dump option.
3466         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3467         * doc/invoke.texi (-fipa-pta): Update documentation.
3468
3469 2010-04-15  Richard Guenther  <rguenther@suse.de>
3470
3471         * Makefile.in (OBJS-common): Add gimple-fold.o.
3472         (gimple-fold.o): New rule.
3473         * tree.h (maybe_fold_offset_to_reference,
3474         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3475         prototypes ...
3476         * gimple.h: ... here.
3477         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3478         may_propagate_address_into_dereference): Move prototypes ...
3479         * gimple.h: ... here.
3480         * tree-ssa-ccp.c (get_symbol_constant_value,
3481         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3482         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3483         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3484         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3485         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3486         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3487         gimplify_and_update_call_from_tree): Move ...
3488         * gimple-fold.c: ... here.  New file.
3489         (ccp_fold_builtin): Rename to ...
3490         (gimple_fold_builtin): ... this.
3491         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3492
3493 2010-04-15  Richard Guenther  <rguenther@suse.de>
3494
3495         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3496         fit_double_type, force_fit_type_double, add_double_with_sign,
3497         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3498         lrotate_double, rrotate_double, div_and_round_double): Move ...
3499         * double-int.c: ... here.
3500         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3501         add_double, neg_double, mul_double_with_sign, mul_double,
3502         lshift_double, rshift_double, lrotate_double, rrotate_double,
3503         div_and_round_double): Move prototypes ...
3504         * double-int.h: ... here.
3505
3506 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3507
3508         PR target/43742
3509         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3510         matching constraints to ensure inputs match the output.
3511
3512 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3513
3514         PR target/43742
3515         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3516         in an input-only operand.
3517
3518 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3519
3520         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3521         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3522         (double_int_negative_p): Convert to static inline function.
3523         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3524         (double_int_negative_p): Remove.
3525         * tree.h (lshift_double, rshift_double):
3526         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3527         * fold-const.c (fold_convert_const_int_from_real,
3528         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3529         (lshift_double): Change type of arith argument to bool.
3530         (rshift_double): Change type of arith argument to bool. Correct
3531         comment.
3532         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3533
3534 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3535
3536         PR target/21803
3537         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3538         at the start and end of the then/else blocks, and omit them from the
3539         conversion.
3540         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3541         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3542         (flow_find_head_matching_sequence): New function.
3543         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3544         * basic-block.h (flow_find_cross_jump,
3545         flow_find_head_matching_sequence): Declare functions.
3546
3547 2010-04-14  Jason Merrill  <jason@redhat.com>
3548
3549         PR c++/36625
3550         * c-common.c (attribute_takes_identifier_p): New fn.
3551         * c-common.h: Declare it.
3552
3553 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3554
3555         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3556         splitter condition.
3557         (*udivmod<mode>4): Ditto.
3558
3559 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3560
3561         * config/i386/i386.md (maxmin_int): Rename code attribute from
3562         maxminiprefix and update all users.
3563         (maxmin_float): Ditto from maxminfprefix.
3564         (logic): Ditto from logicprefix.
3565         (absneg_mnemonic): Ditto from absnegprefix.
3566         * config/i386/mmx.md: Update all users of maxminiprefix,
3567         maxminfprefix and logicprefix for rename.
3568         * config/i386/sse.md: Ditto.
3569         * config/i386/sync.md (sync_<code><mode>): Update for
3570         logicprefix rename.
3571
3572 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3573
3574         PR 42966
3575         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3576         warnings converted to errors.
3577
3578 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3579
3580         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3581         used insn_type variable.
3582         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3583         to avoid set-but-not-used warning.
3584
3585 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3586
3587         * df-core.c (df_ref_debug): Change format string placeholder
3588         from 0x%x to %#x.
3589         * dwarf2asm.c (dw2_asm_output_data_raw,
3590         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3591         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3592         * dwarf2out.c (output_cfi, output_cfi_directive,
3593         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3594         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3595         Ditto.
3596         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3597         * print-rtl.c (print_rtx): Ditto.
3598
3599 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3600
3601         PR middle-end/42694
3602         * builtins.c (expand_builtin_pow_root): New function to expand pow
3603         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3604         series of sqrt and cbrt calls under -ffast-math.
3605         (expand_builtin_pow): Call it.
3606
3607 2010-04-14  Michael Matz  <matz@suse.de>
3608
3609         PR tree-optimization/42963
3610         * tree-cfg.c (touched_switch_bbs): New static variable.
3611         (group_case_labels_stmt): New function broken out from ...
3612         (group_case_labels): ... here, use the above.
3613         (start_recording_case_labels): Allocate touched_switch_bbs.
3614         (end_recording_case_labels): Deallocate it, call
3615         group_case_labels_stmt.
3616         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3617
3618 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3619
3620         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3621         from insn template.
3622
3623 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3624
3625         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3626
3627 2010-04-13  Jan Hubicka  <jh@suse.cz>
3628
3629         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3630         of optimized out static functions.
3631         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3632         cost computation.  Also sanity check for overflows.
3633         (update_caller_keys): Update cgraph_edge_badness call; properly
3634         update fibheap and sanity check that it is up to date.
3635         (add_new_edges_to_heap): Update cgraph_edge_badness.
3636         (cgraph_decide_inlining_of_small_function): Likewise;
3637         add sanity checking that badness in heap is up to date;
3638         improve dumping of reason; Update badness of calls to the
3639         offline copy of function currently inlined; dump badness
3640         of functions not inlined because of unit growth limits.
3641
3642 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3643
3644         PR middle-end/32628
3645         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3646         because of sign-extension change when converting to sizetype here...
3647         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3648
3649         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3650         the folding to constants.  Remove redundant final conversion.
3651         (fold_binary) <associate>: Do not associate if the re-association of
3652         constants alone overflows.
3653         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3654         to the end of the list.
3655         (multiple_of_p) <COND_EXPR>: New case.
3656
3657 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3658
3659         * opt-functions.awk (opt_sanitized_name): New.
3660         (opt_enum): New.
3661         * optc-gen.awk: Use it
3662         * opth-gen.awk: Use it.
3663
3664 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3665
3666         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3667         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3668         children.  Call replace_uses_with_default_def_ssa_name to handle
3669         SSA_NAES on lhs.
3670
3671 2010-04-13  Michael Matz  <matz@suse.de>
3672
3673         PR middle-end/43730
3674         * builtins.c (expand_builtin_interclass_mathfn): Also create
3675         a register if the predicate doesn't match.
3676
3677 2010-04-13  Diego Novillo  <dnovillo@google.com>
3678
3679         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3680         * c-pch.c: Include timevar.h.
3681         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3682         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3683         * ggc-common.c: Include timevar.h.
3684         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3685         * timevar.def (TV_PCH_SAVE): Define.
3686         (TV_PCH_CPP_SAVE): Define.
3687         (TV_PCH_PTR_REALLOC): Define.
3688         (TV_PCH_PTR_SORT): Define.
3689         (TV_PCH_RESTORE): Define.
3690         (TV_PCH_CPP_RESTORE): Define.
3691
3692 2010-04-13  Michael Matz  <matz@suse.de>
3693
3694         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3695         into MINUS_EXPRs.
3696         (can_reassociate_p): New function.
3697         (break_up_subtract_bb, reassociate_bb): Use it.
3698
3699 2010-04-13  Richard Guenther  <rguenther@suse.de>
3700
3701         PR bootstrap/43737
3702         * builtins.c (c_readstr): Fix assert.
3703
3704 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3705
3706         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3707         when generating cltd insn.
3708
3709         (*ashl<mode>3_1): Remove special handling for register operand 2.
3710         (*ashlsi3_1_zext): Ditto.
3711         (*ashlhi3_1): Ditto.
3712         (*ashlhi3_1_lea): Ditto.
3713         (*ashlqi3_1): Ditto.
3714         (*ashlqi3_1_lea): Ditto.
3715         (*<shiftrt_insn><mode>3_1): Ditto.
3716         (*<shiftrt_insn>si3_1_zext): Ditto.
3717         (*<shiftrt_insn>qi3_1_slp): Ditto.
3718         (*<rotate_insn><mode>3_1): Ditto.
3719         (*<rotate_insn>si3_1_zext): Ditto.
3720         (*<rotate_insn>qi3_1_slp): Ditto.
3721
3722 2010-04-13  Richard Guenther  <rguenther@suse.de>
3723
3724         * tree-ssa-structalias.c (callused_id): Remove.
3725         (call_stmt_vars): New.
3726         (get_call_vi): Likewise.
3727         (lookup_call_use_vi): Likewise.
3728         (lookup_call_clobber_vi): Likewise.
3729         (get_call_use_vi): Likewise.
3730         (get_call_clobber_vi): Likewise.
3731         (make_transitive_closure_constraints): Likewise.
3732         (handle_const_call): Adjust to do per-call call-used handling.
3733         (handle_pure_call): Likewise.
3734         (find_what_var_points_to): Remove general callused handling.
3735         (init_base_vars): Likewise.
3736         (init_alias_vars): Initialize call_stmt_vars.
3737         (compute_points_to_sets): Process call-used and call-clobbered
3738         vars for call statements.
3739         (delete_points_to_sets): Free call_stmt_vars.
3740
3741 2010-04-13  Richard Guenther  <rguenther@suse.de>
3742
3743         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3744         Only add RW dependence for dependence distance zero.
3745         Adjust maximal vectorization factor according to dependences.
3746         Move alignment handling ...
3747         (vect_find_same_alignment_drs): ... here.  New function.
3748         (vect_analyze_data_ref_dependences): Adjust.
3749         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3750         (vect_analyze_data_refs): Adjust minimal vectorization factor
3751         according to data references.
3752         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3753         dependences before determining the vectorization factor.
3754         Analyze alignment after determining the vectorization factor.
3755         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3756         dependences before alignment.
3757         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3758         Adjust prototype.
3759         (vect_analyze_data_refs): Likewise.
3760         (MAX_VECTORIZATION_FACTOR): New define.
3761
3762 2010-04-13  Duncan Sands  <baldrick@free.fr>
3763
3764         * except.h (lang_eh_type_covers): Remove.
3765         * except.c (lang_eh_type_covers): Likewise.
3766
3767 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3768             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3769
3770         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3771         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3772         UNITS_PER_LONG where it is ABI relevant.
3773         (s390_return_addr_rtx): Likewise.
3774         (s390_back_chain_rtx): Likewise.
3775         (s390_frame_area): Likewise.
3776         (s390_frame_info): Likewise.
3777         (s390_initial_elimination_offset): Likewise.
3778         (save_gprs): Likewise.
3779         (s390_emit_prologue): Likewise.
3780         (s390_emit_epilogue): Likewise.
3781         (s390_function_arg_advance): Likewise.
3782         (s390_function_arg): Likewise.
3783         (s390_va_start): Likewise.
3784         (s390_gimplify_va_arg): Likewise.
3785         (s390_function_profiler): Likewise.
3786         (s390_optimize_prologue): Likewise.
3787         (s390_rtx_costs): Likewise.
3788         (s390_secondary_reload): Likewise.
3789         (s390_promote_function_mode): Likewise.
3790         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3791         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3792         registers available.
3793         (s390_unwind_word_mode): New function.
3794         (s390_function_value): Split 64 bit values into register pair if
3795         used as return value.
3796         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3797         function call parameters.  Handle parallels.
3798         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3799         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3800         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3801         (s390_expand_setmem): Remove unused variable src_addr.
3802         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3803         deal with 64 bit registers.
3804         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3805         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3806         (UNITS_PER_LONG): New macro.
3807         * libjava/include/s390-signal.h: Define extended ucontext
3808         structure containing the upper halfs of the 64 bit registers.
3809
3810 2010-04-13  Simon Baldwin  <simonb@google.com>
3811
3812         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3813
3814 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3815
3816         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3817         rvalue on the RHS if the LHS is of a non-renamable type.
3818         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3819
3820 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3821
3822         * gcc.c (cc1_options): Handle -iplugindir before processing
3823         the cc1 spec. Only add -iplugindir once.
3824         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3825         found.
3826         * common.opt (iplugindir): Remove `Separate' property, initialize.
3827         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3828         option.
3829         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3830         (distclean): Remove plugin dir.
3831         * doc/invoke.texi: Document -iplugindir.
3832
3833 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3834
3835         * doc/plugins.texi (Loading Plugins): Document short
3836         -fplugin=foo option.
3837         (Plugin API): Mention default_plugin_dir_name function.
3838
3839         * gcc.c (find_file_spec_function): Add new declaration.
3840         (static_spec_func): Use it for "find-file".
3841         (find_file_spec_function): Add new function.
3842         (cc1_options): Add -iplugindir option if -fplugin* options found.
3843
3844         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3845
3846         * plugin.c (add_new_plugin): Updated comment, and handle short
3847         plugin name.
3848         (default_plugin_dir_name): Added new function.
3849
3850         * common.opt (iplugindir): New option to set the plugin directory.
3851
3852 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3853
3854         * config/i386/i386.md (any_rotate): New code iterator.
3855         (rotate_insn): New code attribute.
3856         (rotate): Ditto.
3857         (SWIM124): New mode iterator.
3858         (<rotate_insn>ti3): New expander.
3859         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3860         any_rotate code iterator.
3861         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3862         using any_rotate code iterator and SWIM124 mode iterator.
3863         (ix86_rotlti3): New insn_and_split pattern.
3864         (ix86_rotrti3): Ditto.
3865         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3866         ix86_rotl{di,ti}3 patterns.
3867         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3868         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3869         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3870         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3871         code iterator and SWI mode iterator.
3872         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3873         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3874         code iterator.
3875         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3876         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3877         (bswap rotatert splitter): Add splitter.
3878         (bswap splitter): Macroize splitter using any_rotate code iterator.
3879         Add insn predicate to split only for TARGET_USE_XCHGB or when
3880         optimizing function for size.
3881
3882 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3883
3884         * config/pa/pa.c (emit_move_sequence): Remove use of
3885         deleted variable flag_argument_noalias.
3886
3887 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3888
3889         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3890         configurations.
3891         Add to unsupported targets list.
3892         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3893         sparc*-sun-solaris2.[567]* from target lists.
3894         * configure: Regenerate.
3895         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3896         removal.
3897         Remove Solaris 7 patch references.
3898         (Specific, sparc-sun-solaris2.7): Removed.
3899         (sparc-sun-solaris2*): Update Solaris 7 example.
3900         (sparc64-*-solaris2*): Likewise.
3901
3902 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3903
3904         * config.build (alpha*-dec-osf4*): Remove.
3905         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3906         of obsolete configurations.
3907         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3908         support.
3909         * config/alpha/t-osf4: Renamed to ...
3910         * config/alpha/t-osf5: ... this.
3911         * config/alpha/osf.h: Renamed to ...
3912         * config/alpha/osf5.h: ... this.
3913         Merged old osf5.h contents.
3914         Update comments.
3915         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3916         (EXTRA_SPECS): Removed.
3917         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3918         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3919         Document that.
3920
3921 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3922
3923         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3924
3925 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3926
3927         PR/43702
3928         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3929         __thiscall convention.
3930
3931 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3932
3933         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3934         orig_base.
3935         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3936
3937 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3938
3939         * function.c (assign_parms_initialize_all): Add unused attribute
3940         to fntype.
3941
3942 2010-04-12  Richard Guenther  <rguenther@suse.de>
3943
3944         * gsstruct.def (GSS_CALL): New.
3945         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3946         * gimple.h: Include tree-ssa-alias.h.
3947         (struct gimple_statement_call): New.
3948         (union gimple_statement_struct_d): Add gimple_call member.
3949         (gimple_call_reset_alias_info): Declare.
3950         (gimple_call_use_set): New function.
3951         (gimple_call_clobber_set): Likewise.
3952         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3953         * gimple.c (gimple_call_reset_alias_info): New function.
3954         (gimple_build_call_1): Call it.
3955         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3956         * tree-inline.c (remap_gimple_stmt): Likewise.
3957         (expand_call_inline): Remove callused handling.
3958         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3959         * tree-dfa.c (dump_variable): Likewise.
3960         * tree-parloops.c (parallelize_loops): Likewise.
3961         * tree-ssa.c (init_tree_ssa): Likewise.
3962         (delete_tree_ssa): Likewise.
3963         * tree-flow-inline.h (is_call_used): Remove.
3964         * tree-flow.h (struct gimple_df): Remove callused member.
3965         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3966         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3967         (ref_maybe_used_by_call_p_1): Simplify.
3968         (call_may_clobber_ref_p_1): Likewise.
3969         * tree-ssa-structalias.c (compute_points_to_sets): Set
3970         the call stmt used and clobbered sets.
3971         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3972         (find_tail_calls): Verify the tail call.
3973
3974 2010-04-12  Richard Guenther  <rguenther@suse.de>
3975
3976         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3977         single-iteration always-inline inlining.
3978         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3979         (cgraph_decide_inlining): Do not handle always-inline specially.
3980         (try_inline): Remove always-inline cycle detection special case.
3981         Do not recurse on always-inlines.
3982         (cgraph_early_inlining): Do not iterate if not optimizing.
3983         (cgraph_gate_early_inlining): remove.
3984         (pass_early_inline): Run unconditionally.
3985         (gate_cgraph_decide_inlining): New function.
3986         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3987         not inlining or optimizing.
3988         (cgraph_decide_inlining_of_small_functions): Also consider
3989         always-inline functions.
3990         (cgraph_default_inline_p): Return true for nodes which should
3991         disregard inline limits.
3992         (estimate_function_body_sizes): Assume zero size and time for
3993         nodes which are marked as disregarding inline limits.
3994         (cgraph_decide_recursive_inlining): Do not perform recursive
3995         inlining on always-inline nodes.
3996
3997 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3998
3999         PR bootstrap/43699
4000         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
4001         for exprs satisfying handled_component_p.
4002
4003 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4004
4005         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
4006         non-constant aggregate elements.
4007