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2010-05-15 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-15  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/44038
4         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
5         taking the address of a V_C_E of a constant.
6
7 2010-05-14  Jan Hubicka  <jh@suse.cz>
8
9         * tree.h (memory_identifier_string): Remove.
10         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
11         (ipa_reference_global_vars_info_d): Remove statics_not_read and
12         statics_not_written.
13         (ipa_reference_optimization_summary_d): New structure.
14         (ipa_reference_optimization_summary_t): New type and vector.
15         (ipa_reference_vars_info_d): Embedd structures instead of using
16         pointers.
17         (reference_vars_to_consider): Remove out of GGC space.
18         (module_statics_escape): Remove.
19         (global_info_obstack): Rename to ...
20         (optimization_summary_obstack): ... this one.
21         (initialization_status_t): Remove.
22         (memory_identifier_string): Remove.
23         (get_reference_vars_info): Fix indenting.
24         (set_reference_vars_info): Likewise.
25         (get_reference_optimization_summary): New.
26         (set_reference_optimization_summary): New.
27         (get_global_reference_vars_info): Remove.
28         (ipa_reference_get_read_global): Remove.
29         (ipa_reference_get_written_global): Remove.
30         (ipa_reference_get_not_read_global): Update.
31         (ipa_reference_get_not_written_global): Update.
32         (is_proper_for_analysis): Outlaw addressable.
33         (propagate_bits): Update for new datastructures.
34         (analyze_variable): Remove.
35         (init_function_info): Update for new datastructures.
36         (clean_function_local_data): Remove.
37         (clean_function): Remove.
38         (copy_global_bitmap): Use optimizations_summary_obstack.
39         (duplicate_node_data): Duplicate optimization summary only.
40         (remove_node_data): Remove optimization summary only.
41         (generate_summary): Do not analyze variables; do not compute
42         module_statics_escape; do not prune solutions by it.
43         (read_write_all_from_decl): Fix typos in comments.
44         (propagate): Doscover readonly and nonaddressable first;
45         update for new datastructures; share global bitmaps.
46         * ipa-reference.h (ipa_reference_get_read_global,
47         ipa_reference_get_written_global): Remove.
48         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
49         * Makefile.in: Remove ipa-refereference from GT files.
50
51 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
52
53         PR debug/44112
54         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
55         for all SYMBOL_REF_DECLs.
56
57 2010-05-14  Jan Hubicka  <jh@suse.cz>
58
59         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
60         (varpool_all_refs_explicit_p): New inline function.
61         * ipa-reference.c: Update comment.
62         (module_statics_written): Remove.
63         (get_static_decl): Remove.
64         (ipa_init): Do not initialize module_statics_written.
65         (analyze_function): Likewise.
66         (generate_summary): Likewise; do not compute module_statics_readonly
67         and do not update variable flags.
68         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
69         * ipa.c: Inlucde flags.h
70         (cgraph_local_node_p): New.
71         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
72         promote functions to local.
73         (ipa_discover_readonly_nonaddressable_vars): New function.
74         (function_and_variable_visibility): Use cgraph_local_node_p.
75         * varpool.c (varpool_finalize_decl): Set force_output for
76         DECL_PRESERVE_P vars.
77
78 2010-05-14  Jan Hubicka  <jh@suse.cz>
79
80         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
81
82 2010-05-14  Richard Guenther  <rguenther@suse.de>
83
84         PR tree-optimization/44119
85         * tree-ssa-pre.c (eliminate): Properly mark replacement of
86         a PHI node necessary.
87
88 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
89
90         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
91
92 2010-05-14  Jason Merrill  <jason@redhat.com>
93
94         PR c++/44127
95         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
96         (gimple_call_set_nothrow): New.
97         * gimple.c (gimple_build_call_from_tree): Call it.
98         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
99
100         PR c++/44127
101         * gimplify.c (gimplify_seq_add_stmt): No longer static.
102         * gimple.h: Declare it.
103         * gimple.c (gimple_build_eh_filter): No ops.
104
105 2010-05-14  Jan Hubicka  <jh@suse.cz>
106
107         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
108         nodes already in queue.
109         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
110         re-enqueueing node.
111
112 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
113
114         PR debug/44136
115         * cfgexpand.c (expand_debug_expr): If non-memory op0
116         has BLKmode, return NULL.
117
118 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
119
120         * config.gcc: Add support for --with-cpu option for bdver1.
121         * config/i386/i386.h (TARGET_BDVER1): New macro.
122         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
123         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
124         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
125         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
126         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
127         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
128         (processor_type): Add PROCESSOR_BDVER1.
129         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
130         processor_type in config/i386/i386.h.
131         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
132         movaps <reg, reg> instead of movapd <reg, reg> when replacing
133         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
134         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
135         to emit packed xor instead of packed double/packed integer
136         xor for SSE and AVX when moving a zero value.
137         * config/i386/sse.md: Add check for
138         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
139         movapd/movdqa for SSE and AVX.
140         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
141         single logical operations i.e and, or and xor instead of packed double
142         logical operations for SSE and AVX.
143         * config/i386/i386-c.c: 
144         (ix86_target_macros_internal): Add PROCESSOR_BDVER1.
145         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
146         (has_fma4, has_xop): New.
147         * config/i386/i386.c (bdver1_cost): New variable.
148         (m_BDVER1): New macro.
149         (m_AMD_MULTIPLE): Add m_BDVER1.
150         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
151         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
152         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
153         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
154         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
155         x86_tune_sse_partial_reg_dependency,
156         x86_tune_sse_unaligned_load_optimal,
157         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
158         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
159         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
160         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
161         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
162         Enable/disable for bdver1.
163         (processor_target_table): Add bdver1_cost.
164         (cpu_names): Add bdver1.
165         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
166          processor_alias_table.
167         (ix86_expand_vector_move_misalign): Change.
168         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
169         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
170         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
171         of movupd/movdqu for SSE and AVX.
172         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
173         (ix86_tune_adjust_cost): Add code for bdver1.
174         (standard_sse_constant_opcode): Add check for
175         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
176         of packed double xor for SSE and AVX.
177
178 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
179
180         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
181         result to unsigned.
182
183 2010-05-14  Tristan Gingold  <gingold@adacore.com>
184
185         * toplev.c (default_debug_hooks): Remove this variable.
186         (process_options): Remove assignments to default_debug_hooks.
187
188 2010-05-14  Martin Jambor  <mjambor@suse.cz>
189
190         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
191         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
192         * langhooks.h (struct lang_hooks_for_decls): Removed field
193         fold_obj_type_ref.
194         * tree.c (free_lang_data): Remove assignment to
195         lang_hooks.fold_obj_type_ref.
196         * tree.def (OBJ_TYPE_REF): Update comment.
197
198 2010-05-14  Richard Guenther  <rguenther@suse.de>
199
200         PR tree-optimization/44124
201         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
202
203 2010-05-14  Alan Modra  <amodra@gmail.com>
204
205         PR target/44075
206         * config/rs6000/rs6000.c (struct machine_function): Reorder
207         fields for better packing.  Add lr_save_state.
208         (rs6000_ra_ever_killed): Return lr_save_state if set.
209         (rs6000_emit_eh_reg_restore): Set lr_save_state.
210
211 2010-05-13  Jan Hubicka  <jh@suse.cz>
212
213         * varpool.c (decide_is_variable_needed): Drop code checking
214         TREE_SYMBOL_REFERENCED.
215
216 2010-05-13  Jan Hubicka  <jh@suse.cz>
217
218         * final.c (output_addr_const): Do not call mark_decl_referenced.
219         * cgraphunit.c (process_function_and_variable_attributes): Use
220         mark_needed_node dirrectly.
221         (assemble_thunk): Do not call mark_decl_referenced.
222
223 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
224
225         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
226
227 2010-05-13  Jeff Law  <law@redhat.com>
228
229         * ira-conflicts.c (print_allocno_conflicts): New function broken out
230         from...
231         (print_conflicts): Call print_allocno_conflicts.
232
233 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
234
235         PR debug/44104
236         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
237         if it is NULL.
238
239 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
240
241         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
242         t-mingw-w64 or t-mingw-w32 for multilib configuration.
243         * config/i386/t-mingw-w32: New.
244         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
245         
246 2010-05-13  Martin Jambor  <mjambor@suse.cz>
247
248         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
249         gimple-fold.c).
250         * gimple-fold.c (get_base_binfo_for_type): New function.
251         (gimple_get_relevant_ref_binfo): Likewise.
252         (gimple_fold_obj_type_ref_known_binfo): Likewise.
253         (gimple_fold_obj_type_ref): Likewise.
254         (fold_gimple_call): Simplify condition for folding virtual calls
255         and call gimple_fold_obj_type_ref.
256         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
257         (gimple_fold_obj_type_ref_known_binfo): Likewise.
258
259 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
260
261         * config/rs6000/rs6000-protos.h
262         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
263         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
264         (rs6000_debug_mode_dependent_address)
265         (rs6000_mode_dependent_address_ptr): Likewise.
266
267 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
268
269         PR debug/43983
270         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
271         by SRA.
272         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
273         * tree-sra.c (create_access_replacement): Call unshare_expr before
274         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
275         it.
276         * dwarf2out.c: Include tree-flow.h.
277         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
278         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
279         Handle DW_OP_bit_piece.
280         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
281         construct_piece_list, adjust_piece_list): New functions.
282         (add_var_loc_to_decl): Handle SRA optimized variables.
283         Adjust for var_loc_note to loc field renaming.
284         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
285         in VAR_LOCATION note.
286         (new_loc_descr_op_bit_piece): New function.
287         (dw_sra_loc_expr): New function.
288         (dw_loc_list): Use it.  Don't handle the last range after the
289         loop, handle it inside of the loop.  Adjust for var_loc_note
290         to loc field renaming.
291         (add_location_or_const_value_attribute): Only special case
292         single entry loc lists if loc is NOTE_P.  Adjust for
293         var_loc_note to loc field renaming.
294         (dwarf2out_var_location): Don't set newloc->var_loc_note
295         and newloc->next here.
296
297 2010-05-12  Jan Hubicka  <jh@suse.cz>
298
299         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
300         flag.
301         * cgraph.h (cgraph_only_called_directly_p,
302         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
303         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
304         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
305         (assemble
306         * ipa.c (cgraph_remove_unreachable_nodes): Use
307         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
308         flags.
309         * tree-inline.c (copy_bb): Check address_taken flag.
310         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
311         externally_visible flag.
312
313 2010-05-12  Jason Merrill  <jason@redhat.com>
314
315         PR bootstrap/44048
316         PR target/44099
317         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
318         * sdbout.c (plain_type_1): Likewise.
319         * dwarf2out.c (is_base_type): Likewise.
320         (gen_type_die_with_usage): Likewise.  Generate
321         DW_TAG_unspecified_type for any LANG_TYPE.
322
323 2010-05-12  Jan Hubicka  <jh@suse.cz>
324
325         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
326         indrect edges too.
327         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
328         (cgraph_clone_edge): Update.
329         (cgraph_node_remove_callees): Remove indirect calls too.
330         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
331         (cgraph_create_indirect_edge): Update prototype.
332         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
333         is_proper_for_analysis.
334         (add_new_function, visited_nodes, function_insertion_hook_holder,
335         get_local_reference_vars_info, mark_address_taken, mark_address,
336         mark_load, mark_store, check_asm_memory_clobber, check_call,
337         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
338         (ipa_init): Do not initialize visited_nodes;
339         function_insertion_hook_holder.
340         (analyze_variable): Rewrite.
341         (analyze_function): Rewrite.
342         (copy_local_bitmap): Remove.
343         (duplicate_node_dat): Do not duplicate local info.
344         (generate_summary): Simplify to only walk cgraph.
345         (write_node_summary_p, ipa_reference_write_summary,
346         ipa_reference_read_summary): Remove.
347         (propagate): Do not remove function insertion;
348         generate summary.
349         (pass_ipa_reference): NULLify summary handling fields.
350         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
351         (input_edge): Input ecf_flags.
352         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
353         (update_indirect_edges_after_inlining): Ignore edges with unknown
354         param.
355
356 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
357
358         * implicit-zee.c: New file.
359         * tree-pass.h (pass_implicit_zee): Declare.
360         * passes.c (init_optimization_passes): Add zee pass.
361         * common.opt (fzee): New flag.
362         * timevar.def (TV_ZEE): Define.
363         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
364         and beyond.
365         * Makefile.in (implicit-zee.o): Add new build file.
366
367 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
368             Nathan Froyd  <froydnj@codesourcery.com>
369
370         * c-common.c (sync_resolve_params): Remove write-only variable.
371
372 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
373
374         * target.h (struct gcc_target): Add mode_dependent_address_p field.
375         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
376         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
377         * targhooks.c (default_mode_dependent_address_p): New function.
378         * targhooks.h (default_mode_dependent_address_p): Declare function.
379         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
380         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
381         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
382         target hook. Change return type to bool.
383         * recog.h: (mode_dependent_address_p): Change return type to bool.
384
385 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
386             Nathan Froyd  <froydnj@codesourcery.com>
387
388         * tree-mudflap.c (build_function_type_0, build_function_type_1,
389         build_function_type_2, build_function_type_3): Remove.
390         (mudflap_init): Use build_function_type_list.
391
392 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
393             Nathan Froyd  <froydnj@codesourcery.com>
394
395         * coverage.c (build_fn_info_value): Call build_constructor instead of
396         build_constructor_from_list.
397         (build_ctr_info_value): Likewise.
398         (build_gcov_info): Likewise.
399
400 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
401
402         * tree.c (build_constructor): Compute TREE_CONSTANT for the
403         resultant constructor.
404         (build_constructor_single): Don't set TREE_CONSTANT.
405         (build_constructor_from_list): Don't compute TREE_CONSTANT.
406
407 2010-05-12  Jan Hubicka  <jh@suse.cz>
408
409         * cgraph.h (struct varpool_node): Add aux.
410         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
411         * varpool.c (varpool_remove_node): Do not remove initializer.
412         (varpool_reset_queue): Export.
413         (varpool_finalize_decl): Volatile vars are forced to be output.
414         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
415         replaced decl.
416         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
417         process_references, varpool_can_remove_if_no_refs): New functions.
418         (cgraph_remove_unreachable_nodes): Handle variables too.
419
420 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
421
422         PR target/44088
423         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
424
425 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
426
427         PR middle-end/44085
428         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
429         change value of ORT_TASK.
430         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
431         (omp_notice_threadprivate_variable): New function.
432         (omp_notice_variable): Call it for threadprivate variables.
433         If enclosing ctx is a task, print enclosing task rather than
434         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
435         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
436         if task has untied clause.
437
438         PR debug/42278
439         * dwarf2out.c (base_type_die): Don't add name attribute here.
440         (modified_type_die): Instead of sizetype use
441         its underlying original type.  If a DW_TAG_base_type doesn't
442         have name added, add __unknown__.
443         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
444         always call force_type_die instead.
445
446 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
447
448         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
449         for __stack_chk_guard.
450
451 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
452
453         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
454         don't call start_source_file debug hook here...
455         (finish_options): ... but here, after outputting predefined and
456         command line defines and undefs.
457
458         PR middle-end/44071
459         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
460         no fallthru edge.
461         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
462         optimizing away empty bb with no successors, move over its
463         footer chain to fallthru predecessor.
464         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
465         (rtl_split_edge): For asm goto call patch_jump_insn even if
466         splitting fallthru edge.
467
468         PR c++/44059
469         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
470         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
471         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
472         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
473         on DW.ref.* decls.
474
475         PR c++/44062
476         * c-parser.c (c_parser_expression): Mark LHS of a comma
477         expression as read if it is a decl, handled component or
478         COMPOUND_EXPR with that on the RHS.
479         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
480         if it is a decl or handled component.
481
482 2010-05-11  Jan Hubicka  <jh@suse.cz>
483
484         * lto-symtab.c (lto_symtab_free): New function.
485         * lto-streamer.h (lto_symtab_free): Declare.
486
487 2010-05-11  Jan Hubicka  <jh@suse.cz>
488
489         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
490         that if function is needed it is reachable.
491         (lto_output_node): See if it the function is reachable or referenced.
492         (output_cgraph): Update call of lto_output_node.
493         * lto-streamer.h (reachable_from_other_partition_p): Declare.
494
495 2010-05-11  Jan Hubicka  <jh@suse.cz>
496
497         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
498         Mark as used.
499
500 2010-05-11  Jan Hubicka  <jh@suse.cz>
501
502         PR tree-optimize/44063
503         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
504         queue.
505         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
506         limits.
507         (estimate_function_body_sizes): Compute sizes even when disregarding.
508
509 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
510
511         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
512
513 2010-05-11  Jan Hubicka  <jh@suse.cz>
514
515         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
516         into every boundary.
517
518 2010-05-11  Jan Hubicka  <jh@suse.cz>
519
520         * matrix-reorg.c (matrix_reorg): Rebuild edges.
521
522 2010-05-11  Jan Hubicka  <jh@suse.cz>
523
524         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
525         lto_streamer_cache_delete): Put nodes into heap.
526         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
527         heap.
528
529 2010-05-11  Jan Hubicka  <jh@suse.cz>
530
531         * cgraphbuild.c (cgraph_rebuild_references): New.
532         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
533         out extern inlines.
534         * cgraph.h (cgraph_rebuild_references): Declare.
535         * tree-inline.c (tree_function_versioning): Use it.
536         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
537
538 2010-05-11  Jan Hubicka  <jh@suse.cz>
539
540         * cgraph.c: Include ipa-utils.h
541         (cgraph_create_virtual_clone): Update references.
542         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
543
544 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
545
546         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
547         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
548         cache size.
549
550 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
551
552         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
553
554 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
555
556         * gcc.c (execute): For -### don't quote arguments that
557         contain just alphanumerics and _/-. characters.
558         * doc/invoke.texi: Document that change for -###.
559
560         PR debug/44023
561         * df-problems.c (struct dead_debug): Add to_rescan field.
562         (dead_debug_init): Clear to_rescan field.
563         (dead_debug_finish): Rescan all debug insns in to_rescan
564         bitmap and free the bitmap.
565         (dead_debug_insert_before): Instead of rescanning debug insns
566         immediately queue their rescanning until dead_debug_finish.
567         (df_note_bb_compute): After dead_debug_add do continue instead
568         of break.
569
570 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
571
572         PR debug/44028
573         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
574         clear also INSN_REG_USE_LIST.
575
576 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
577
578         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
579
580 2010-05-10  Jan Hubicka  <jh@suse.cz>
581
582         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
583         commited change.
584
585 2010-05-10  Jan Hubicka  <jh@suse.cz>
586
587         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
588         Allocate encoders.
589         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
590         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
591         (lto_streamer_cache_create): Init alloc pool.
592         (lto_streamer_cache_delete): Free alloc pool.
593         * lto-streamer.h: Include alloc pool.
594         (lto_streamer_cache_d): Use alloc pool.
595         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
596
597 2010-05-10  Jan Hubicka  <jh@suse.cz>
598
599         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
600         * cgraphbuild.c: Include except.h
601         (record_type_list, record_eh_tables): New function.
602         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
603
604 2010-05-10  Jan Hubicka  <jh@suse.cz>
605
606         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
607         __frame_dummy_init_array_entry, force_to_data): Attribute as used
608         rather than unused.
609
610 2010-05-10  Michael Matz  <matz@suse.de>
611
612         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
613         (can_reassociate_p): Use FLOAT_TYPE_P.
614         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
615         (vect_force_simple_reduction): ... this.
616         * tree-parloops.c (gather_scalar_reductions): Use
617         vect_force_simple_reduction.
618         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
619         vect_is_simple_reduction, add modify argument, if true rewrite
620         "a-b" into "a+(-b)".
621         (vect_is_simple_reduction, vect_force_simple_reduction): New
622         functions.
623         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
624
625 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
626             Vladimir Makarov  <vmakarov@redhat.com>
627
628         PR rtl-optimization/44012
629         * ira-build.c (remove_unnecessary_allocnos): Nullify
630         regno_allocno_map of the removed allocno.
631
632 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
633
634         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
635         to /dev/null.
636         * configure: Regenerate.
637
638 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
639
640         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
641         unused.
642         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
643         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
644         support in Sun ld.
645         * configure: Regenerate.
646
647 2010-05-10  Richard Guenther  <rguenther@suse.de>
648
649         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
650         marked if the entry identifier is marked.
651
652 2010-05-10  Richard Guenther  <rguenther@suse.de>
653
654         * c-common.c (struct c_common_attributes): Add fnspec attribute.
655         (handle_fnspec_attribute): New function.
656         * gimple.h (gimple_call_return_flags): Declare.
657         (gimple_call_arg_flags): Likewise.
658         * gimple.c (gimple_call_arg_flags): New function.
659         (gimple_call_return_flags): Likewise.
660         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
661         New argument flags.
662         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
663         return value flags.
664         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
665         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
666         main work to ...
667         (make_heapvar_for): ... this new function.
668         (handle_rhs_call): Handle fnspec attribute argument specifiers.
669         (handle_lhs_call): Likewise.
670         (find_func_aliases): Adjust.
671
672 2010-05-10  Richard Guenther  <rguenther@suse.de>
673
674         PR tree-optimization/44050
675         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
676
677 2010-05-10  Wei Guozhi  <carrot@google.com>
678
679         PR target/42879
680         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
681
682 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
683
684         PR c/10676
685         * c-typeck.c (lookup_field): Take a type directly.  Update
686         recursive calls.
687         (build_component_ref): Update call to lookup_field.
688         (set_init_label): Use lookup_field to find initialized field.
689         Handle returned list of fields like a sequence of designators.
690
691 2010-05-09  Richard Guenther  <rguenther@suse.de>
692
693         PR middle-end/44024
694         * fold-const.c (tree_single_nonzero_warnv_p): Properly
695         handle &FUNCTION_DECL.
696
697 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
698
699         PR c/4784
700         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
701         structures and unions recursively.
702         (detect_field_duplicates): Move duplicate detection with a hash to
703         detect_field_duplicates_hash.  Always use a hash if anonymous
704         structures or unions are present.
705         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
706         give errors.
707
708 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
709
710         PR target/44046
711         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
712         detect Atom, Core 2 and Core i7.
713
714 2010-05-09  Richard Guenther  <rguenther@suse.de>
715
716         * gcc.c (store_arg): Handle temporary file deletion for
717         joined arguments.
718
719 2010-05-09  Richard Guenther  <rguenther@suse.de>
720
721         PR middle-end/44043
722         * ipa-inline.c (estimate_function_body_sizes): Return after
723         disregarding inline limits.
724
725 2010-05-09  Richard Guenther  <rguenther@suse.de>
726
727         * gcc.c (store_arg): Revert last change.
728
729 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
730
731         PR middle-end/28685
732         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
733         (optimize_ops_list): Call it.
734
735 2010-05-08  Richard Guenther  <rguenther@suse.de>
736
737         PR tree-optimization/44030
738         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
739         NECESSARY flag if we propagate from a inserted expression.
740
741 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
742
743         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
744         domain types as equal if they are both PLACEHOLDER_EXPRs.
745
746 2010-05-08  Richard Guenther  <rguenther@suse.de>
747
748         * lto-wrapper.c (run_gcc): Remove linker output from
749         command line for LTRANS invocation.
750
751 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
752
753         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
754         lto-macho as lto_binary_reader.
755         * target.h (struct gcc_target): New hooks lto_start and lto_end.
756         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
757         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
758         in lto_start and lto_end calls.
759         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
760         magic numbers.
761         (scan_prog_file): Update is_elf_or_coff call.
762         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
763
764         * collect2.c (main): Fix enum comparison.
765
766         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
767         Add prototypes.
768         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
769         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
770         and TARGET_ASM_LTO_END.
771         * darwin.c: Include obstack.h and lto-streamer.h.
772         (lto_section_names_offset, lto_section_names_obstack,
773         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
774         global variables.
775         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
776         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
777         to a temporary file.
778         (darwin_asm_lto_end): New function.  Restore asm_out_file.
779         (darwin_asm_named_section): For LTO sections, replace the name with
780         the offset of the section name in a string table, and build this
781         table.
782         (darwin_file_start): Initialize global vars for LTO support.
783         (darwin_file_end): If output to asm_out_file was redirected, append it
784         to the proper asm_out_file here.  Add the section names section.
785
786 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
787
788         * c-pragma.c (pending_weak_d, pending_weak): New.
789         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
790         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
791         handle_pragma_weak): Update the uses of pending_weaks.
792
793 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
794
795         PR documentation/44016
796         * doc/standards.texi (Standards): Link to unversioned
797         cxx0x_status.html page.
798
799 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
800
801         PR target/43708
802         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
803         in addition to TREE_USED, to avoid "set but unused" warnings.
804
805 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
806
807         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
808         (is_loop_prefetching_profitable): Do not insert prefetches
809         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
810         times the prefetch ahead distance.
811
812 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
813
814         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
815         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
816         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
817         the unroll_factor.
818
819 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
820
821         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
822         a diagnostic info when the insn-to-mem ratio is too small.
823
824 2010-05-07  Richard Guenther <rguenther@suse.de>
825
826         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
827         the linker plugin.
828         (store_arg): Queue temp_filename for deletion instead of
829         the whole argument.
830
831 2010-05-07  Richard Guenther  <rguenther@suse.de>
832
833         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
834         (run_gcc): Handle LTRANS phase invocation.
835         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
836
837 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
838
839         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
840         this is also meaningful on PARM_DECLs and RESULT_DECLs.
841
842 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
843
844         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
845
846 2010-05-07  Richard Guenther  <rguenther@suse.de>
847
848         PR tree-optimization/44020
849         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
850         code when PRE is not yet initialized.
851
852 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
853
854         * config/mips/dbxmdebug.h: Remove.
855         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
856
857 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
858
859         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
860         with null pointer and also warn about ordered comparison of zero with
861         pointer if -Wextra.
862
863 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
864
865         * graphite-blocking.c
866         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
867         * graphite-clast-to-gimple.c
868         (clast_to_gcc_expression): Same.
869         (precision_for_value): Same.
870         (precision_for_interval): Same.
871         (gcc_type_for_interval): Same.
872         (graphite_create_new_guard): Same.
873         (compute_bounds_for_level): Same.
874         (graphite_create_new_loop_guard): Same.
875         * graphite-interchange.c
876         (build_linearized_memory_access): Same.
877         (pdr_stride_in_loop): Same.
878         (memory_strides_in_loop_1): Same.
879         (memory_strides_in_loop): Same.
880         (extend_scattering): Same.
881         (psct_scattering_dim_for_loop_depth): Same.
882         (pbb_number_of_iterations): Same.
883         * graphite-poly.h
884         (debug_iteration_domains): Same.
885         * graphite-ppl.c
886         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
887         (ppl_set_inhomogeneous_gmp): Same.
888         (ppl_strip_loop): Same.
889         (ppl_lexico_compare_linear_expressions): Same.
890         (ppl_read_polyhedron_matrix): Same.
891         (ppl_max_for_le_pointset): Same.
892         * graphite-ppl.h
893         (ppl_read_polyhedron_matrix): Same.
894         (tree_int_to_gmp): Same.
895         (gmp_cst_to_tree): Same.
896         (ppl_set_inhomogeneous): Same.
897         (ppl_set_inhomogeneous_tree): Same.
898         (ppl_set_coef): Same.
899         (ppl_set_coef_tree): Same.
900         * graphite-sese-to-poly.c
901         (build_pbb_scattering_polyhedrons): Same.
902         (build_scop_scattering): Same.
903         (scan_tree_for_params_right_scev): Same.
904         (scan_tree_for_params): Same.
905         (find_params_in_bb): Same.
906         (find_scop_parameters): Same.
907         (add_upper_bounds_from_estimated_nit): Same.
908         (build_loop_iteration_domains): Same.
909         (add_condition_to_domain): Same.
910         (pdr_add_memory_accesses): Same.
911
912 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
913
914         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
915         CLooG's value_* macros to their respective mpz_* counterparts.
916         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
917         (graphite_create_new_loop_guard): Same.
918         * graphite-interchange.c (build_linearized_memory_access): Same.
919         (pdr_stride_in_loop): Same.
920         (memory_strides_in_loop_1): Same.
921         (1st_interchange_profitable_p): Same.
922         * graphite-poly.c (extend_scattering): Same.
923         (psct_scattering_dim_for_loop_depth): Same.
924         (pbb_number_of_iterations): Same.
925         (pbb_number_of_iterations_at_time): Same.
926         * graphite-poly.h (new_1st_loop): Same.
927         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
928         (oppose_constraint): Same.
929         (insert_constraint_into_matrix): Same.
930         (ppl_set_inhomogeneous_gmp): Same.
931         (ppl_set_coef_gmp): Same.
932         (ppl_strip_loop): Same.
933         (ppl_lexico_compare_linear_expressions): Same.
934         (ppl_max_for_le_pointset): Same.
935         (ppl_min_for_le_pointset): Same.
936         (ppl_build_realtion): Same.
937         * graphite-ppl.h (gmp_cst_to_tree): Same.
938         (ppl_set_inhomogeneous): Same.
939         (ppl_set_inhomogeneous_tree): Same.
940         (ppl_set_coef): Same.
941         (ppl_set_coef_tree): Same.
942         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
943         (build_scop_scattering): Same.
944         (add_value_to_dim): Same.
945         (scan_tree_for_params_right_scev): Same.
946         (scan_tree_for_params_int): Same.
947         (scan_tree_for_params): Same.
948         (find_params_in_bb): Same.
949         (find_scop_parameters): Same.
950         (add_upper_bounds_from_estimated_nit): Same.
951         (build_loop_iteration_domains): Same.
952         (create_linear_expr_from_tree): Same.
953         (add_condition_to_domain): Same.
954         (pdr_add_memory_accesses): Same.
955
956 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
957             Jason Merrill  <jason@redhat.com>
958
959         * c-common.c (c_common_reswords): Add nullptr.
960         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
961         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
962         (gen_type_die_with_usage): Likewise.
963         * dbxout.c (dbxout_type): Likewise.
964         * sdbout.c (plain_type_1): Likewise.
965
966 2010-05-06  Jason Merrill  <jason@redhat.com>
967
968         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
969         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
970         ret appropriately.
971         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
972
973         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
974         stripping WITH_SIZE_EXPR.
975         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
976         change.
977
978 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
979
980         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
981         list of obsolete configurations.
982         Disabled check for obsolete configurations.
983         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
984         Removed support for previous versions.
985         * config/mips/iris.h: Removed.
986         * config/mips/iris5.h: Removed.
987         * config/mips/iris6.h: Merged old iris.h contents.
988         (TARGET_IRIX): Removed.
989         (DRIVER_SELF_SPECS): Removed mabi=32.
990         (IDENT_ASM_OP): Removed undef.
991         (STARTFILE_SPEC): Removed mabi=32.
992         (ENDFILE_SPEC): Likewise.
993         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
994         (MACHINE_TYPE): Update for IRIX 6.5.
995         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
996         TARGET_IRIX by TARGET_IRIX6.
997         (mips_file_start): Likewise.
998         (mips_output_external): Remove IRIX 5/6 O32 support.
999         (mips_output_function_prologue): Likewise.
1000         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1001         TARGET_IRIX6.
1002         (TARGET_CPU_CPP_BUILTINS): Likewise.
1003         (TARGET_IRIX): Removed.
1004         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1005         (MULTILIB_DIRNAMES): Removed 32.
1006         (MULTILIB_OSDIRNAMES): Removed ../lib.
1007         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1008         (Specific, mips-sgi-irix5): Document removal.
1009         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1010         Remove references to older IRIX 6 releases and the O32 ABI.
1011
1012 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
1013
1014         PR bootstrap/43994
1015         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1016         instead of DF_REF_REAL_REG.
1017
1018 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
1019
1020         PR target/43888
1021         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1022         handling to still return true for x64 targets.
1023
1024 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1025
1026         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1027
1028 2010-05-06  Jan Hubicka  <jh@suse.cz>
1029
1030         PR tree-optimization/43791
1031         * ipa-inline.c (update_caller_keys): Remove bogus
1032         disregard_inline_limits check.
1033
1034 2010-05-06  Michael Matz  <matz@suse.de>
1035
1036         PR tree-optimization/43984
1037         * tree-ssa-pre.c (inserted_phi_names): Remove.
1038         (inserted_exprs): Change to bitmap.
1039         (create_expression_by_pieces): Set bits, don't append to vector.
1040         (insert_into_preds_of_block): Don't handle inserted_phi_names.
1041         (eliminate): Don't look at inserted_phi_names, remove deleted
1042         insns from inserted_exprs.
1043         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1044         (init_pre, fini_pre): Allocate and free bitmaps.
1045         (execute_pre): Insert insns on edges before elimination.
1046
1047 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
1048
1049         * tree.c (initializer_zerop): Handle STRING_CST.
1050
1051 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1052
1053         PR 40989
1054         * doc/invoke.texi (Wimplicit): Document as C only.
1055         * opts.c (common_handle_option): Add argument kind.
1056         (handle_option): Rename as read_cmdline_option. Factor out code to...
1057         (handle_option): ... here. New.
1058         (handle_options): Rename as read_cmdline_options.
1059         (decode_options): Update call.
1060         (set_option): Use option index instead of option pointer. Classify
1061         diagnostics correctly.
1062         (enable_warning_as_error): Call handle_option.
1063         * opts.h (set_option): Update declaration.
1064         (handle_option): Declare.
1065         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1066         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1067         * c-opts.c (set_Wimplicit): Delete.
1068         (c_family_lang_mask): New static constant.
1069         (c_common_handle_option): Add argument kind. Use handle_option
1070         instead of set_Wimplicit.
1071         (c_common_post_options): warn_implicit and warn_implicit_int
1072         are disabled by default.
1073         * c-common.c (warn_implicit): Do not define here.
1074         * c-common.h (warn_implicit): Do not declare here.
1075         (c_common_handle_option): Update declaration.
1076         * lto-opts.c (lto_reissue_options): Update call to set_option.
1077
1078 2010-05-06  Richard Guenther  <rguenther@suse.de>
1079
1080         PR tree-optimization/43571
1081         * domwalk.c (walk_dominator_tree): Walk the dominator
1082         sons in more optimal order.
1083
1084 2010-05-06  Richard Guenther  <rguenther@suse.de>
1085
1086         PR tree-optimization/43934
1087         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1088         (stmt_cost): Likewise.
1089         (extract_true_false_args_from_phi): New helper.
1090         (determine_max_movement): For PHI nodes verify we can hoist them
1091         and compute their cost.
1092         (determine_invariantness_stmt): Handle PHI nodes.
1093         (move_computations_stmt): Likewise.  Hoist PHI nodes in
1094         if-converted form using COND_EXPRs.
1095         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1096         (tree_ssa_lim): Likewise.
1097         * tree-flow.h (tree_ssa_lim): Adjust prototype.
1098         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1099
1100 2010-05-06  Richard Guenther  <rguenther@suse.de>
1101
1102         PR tree-optimization/43987
1103         * tree-ssa-structalias.c (could_have_pointers): For possibly
1104         address-taken variables force pointers to be recorded.
1105         (create_variable_info_for_1): Likewise.
1106         (push_fields_onto_fieldstack): Pass in wheter all fields
1107         must have pointers.
1108         (find_func_aliases): Query types instead of vars whether
1109         they contain pointers where appropriate.
1110
1111 2010-05-06  Jan Hubicka  <jh@suse.cz>
1112
1113         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1114         (record_reference, mark_address, mark_load, mark_store): Record
1115         references.
1116         (record_references_in_initializer): Update call of record_references.
1117         (rebuild_cgraph_edges): Remove all references before rebuiding.
1118         * cgraph.c (cgraph_create_node): Clear ref list.
1119         (cgraph_remove_node): Remove references.
1120         (dump_cgraph_node): Dump references.
1121         (cgraph_clone_node): Clone references.
1122         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1123         (struct cgraph_node, varpool_node): Add ref_lst.
1124         * ipa-ref.c: New file.
1125         * ipa-ref.h: New file.
1126         * ipa-ref-inline.h: New file.
1127         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1128         (referenced_from_other_partition_p): New function.
1129         (lto_output_varpool_node): Take set arugment; call
1130         referenced_from_other_partition.
1131         (lto_output_ref): New.
1132         (add_references): New.
1133         (output_refs): New.
1134         (output_cgraph): Compute boundary based on references; output refs.
1135         (output_varpool): Accept cgraph_node_set argument.
1136         (input_ref): New.
1137         (input_refs): New.
1138         (input_cgraph): Call input_refs.
1139         * lto-section-in.c (lto_section_name): Add refs.
1140         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1141         (ipa-ref.o): New file.
1142         * varpool.c (varpool_node): Clear ipa ref list.
1143         (varpool_remove_node): Remove references.
1144         (dump_varpool_node): Dump references.
1145         (varpool_assemble_decl): Only compile finalized ones.
1146         (varpool_extra_name_alias): Initialize ref list.
1147         * lto-streamer.c (lto-get_section_name): Add .refs section.
1148         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1149         (referenced_from_other_partition_p): Declared.
1150
1151 2010-05-06  Ira Rosen  <irar@il.ibm.com>
1152
1153         PR tree-optimization/43901
1154         * tree-vect-stmts.c (vectorizable_call): Assert that vector
1155         type is not NULL if it's transformation phase, and return
1156         FALSE if it's analysis.
1157         (vectorizable_conversion, vectorizable_operation,
1158         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1159
1160 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
1161
1162         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1163         Delete.
1164         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1165         New define.
1166         * config/mips/mips-protos.h
1167         (mips_small_register_classes_for_mode_p): Delete prototype.
1168
1169 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
1170
1171         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1172         * config/arm/arm.c (multiple_operation_profitable_p,
1173         compute_offset_order): New static functions.
1174         (load_multiple_sequence, store_multiple_sequence): Use them.
1175         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
1176         memory offsets, not register numbers.
1177         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1178
1179 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
1180
1181         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1182         (get_pending_sizes, put_pending_size, put_pending_sizes):
1183         Update the uses of pending_sizes.
1184         * c-decl.c (store_parm_decls): Likewise.
1185         * c-tree.h (struct c_arg_info): Likewise.
1186         * tree.h: Update the prototype for get_pending_sizes and
1187         put_pending_sizes.
1188
1189 2010-05-05  Jason Merrill  <jason@redhat.com>
1190
1191         PR debug/43370
1192         * c-common.c (handle_aligned_attribute): Respect
1193         ATTR_FLAG_TYPE_IN_PLACE.
1194
1195         PR testsuite/43758
1196         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1197         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1198         (TARGET_INITIALIZER): Use it.
1199         * c-common.c (attribute_takes_identifier_p): Call it.
1200         * c-common.h: Update prototype.
1201         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1202         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1203
1204 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1205
1206         PR debug/43950
1207         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1208         DW_ID_down_case for Fortran compilation units.
1209
1210 2010-05-05  Jan Hubicka  <jh@suse.cz>
1211
1212         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1213         handle aliases.
1214
1215 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
1216
1217         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1218         a variable-sized RESULT_DECL.
1219
1220 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
1221
1222         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1223
1224 2010-05-05  Jason Merrill  <jason@redhat.com>
1225
1226         PR c++/43787
1227         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1228         returns GS_OK.
1229         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1230
1231 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1232             Jakub Jelinek  <jakub@redhat.com>
1233
1234         PR debug/43478
1235         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1236         (dead_debug_init, dead_debug_finish): New functions.
1237         (dead_debug_add, dead_debug_insert_before): Likewise.
1238         (df_note_bb_compute): Initialize a dead_debug object, add dead
1239         debug uses to it, insert debug bind insns before death insns,
1240         reset debug insns that refer to pending uses at the end.
1241         * rtl.h (make_debug_expr_from_rtl): New prototype.
1242         * varasm.c (make_debug_expr_from_rtl): New function.
1243
1244 2010-05-05  Jan Hubicka  <jh@suse.cz>
1245
1246         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1247         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1248         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1249         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1250         lto_varpool_encoder_encode_initializer_p,
1251         lto_set_varpool_encoder_encode_initializer): New functions.
1252         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1253         call output_varpool.
1254         (input_varpool_node): Do not always set analyzed.
1255         (input_cgraph_1): Return vector of cgraph nodes.
1256         (input_varpool_1): Return vector of varpools.
1257         (input_cgraph): Free the vectors.
1258         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1259         output only initializers needed.
1260         (lto_output): Only call output_cgraph.
1261         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1262         * lto-section-out.c (lto_new_out_decl_state): Initialize
1263         state->varpool_node_encoder.
1264         * lto-streamer.h (lto_varpool_encoder_d): New.
1265         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1266         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1267         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1268         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1269         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1270         Declare.
1271         (output_varpool, input_varpool): Remove declarations.
1272
1273 2010-05-05  Jan Hubicka  <jh@suse.cz>
1274
1275         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1276         with body can prevail.
1277
1278 2010-05-05  Jan Hubicka  <jh@suse.cz>
1279
1280         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1281         size.
1282
1283 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1284
1285         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1286
1287         * gengtype.h (erro_at_line): Constify pos argument.
1288
1289         * gengtype.c: Include hashtab.h.
1290         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1291         (error_at_line): Constify pos argument.
1292         (do_typedef): Initialize p->opt field.
1293         (get_file_gtfilename): Fix comment typo.
1294         (struct walk_type_data): Constify line field.
1295         (get_output_file_for_structure): New function.
1296         (write_local_func_for_structure): Constify orig_s argument.
1297         Use get_output_file_for_structure.
1298         (write_func_for_structure): Use get_output_file_for_structure.
1299         (INDENT): New define.
1300         (dump_pair, dump_type, dump_type_list, dump_typekind)
1301         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1302         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1303         functions.
1304         (seen_types): New variable.
1305         (main): New variable do_dump.  Process "-d" command line option.
1306         Call dump_everything if dump requested.
1307
1308 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1309
1310         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1311         in a temporary instead of invoking the macro multiple times.
1312         (track_expr_p): Likewise.
1313
1314 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1315
1316         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1317         per new semantics.
1318         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1319         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1320         conditions for printing notes.
1321         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1322         true, update documentation.
1323         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1324
1325 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1326
1327         PR c/43981
1328         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1329         on dimen.
1330
1331 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1332
1333         PR target/43799
1334         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1335         (*sse_prologue_save_insn1): Likewise.
1336         (SSE prologue save splitter): Likewise.
1337
1338 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1339
1340         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1341         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1342         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1343         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1344         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1345         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1346         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1347
1348 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1349
1350         * tree-sra.c (build_access_from_expr_1): The first parameter type
1351         changed to simple tree.
1352         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1353         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1354         renamed as well.
1355         (build_accesses_from_assign): Removed all parameters except for a
1356         simple gimple statement.  Now returns a simple bool.
1357         (scan_function): All non-analysis parts moved to separate functions
1358         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1359         parameters and updated both callers.
1360         (sra_modify_expr): Removed parameter data.
1361         (sra_modify_function_body): New function.
1362         (perform_intra_sra): Call sra_modify_function_body to modify the
1363         function body.
1364         (replace_removed_params_ssa_names): Parameter data changed into
1365         adjustments vector.
1366         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1367         changed the parameter dont_convert to convert with the opposite
1368         meaning.
1369         (sra_ipa_modify_assign): Parameter data changed into adjustments
1370         vector, return value changed to bool.
1371         (ipa_sra_modify_function_body): New function.
1372         (sra_ipa_reset_debug_stmts): Updated a comment.
1373         (modify_function): Use ipa_sra_modify_function_body to modify function
1374         body.
1375
1376 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1377
1378         PR middle-end/43671
1379         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1380         (canon_true_dependence): Likewise.
1381         (write_dependence_p): Likewise.
1382
1383 2010-05-04  Jan Hubicka  <jh@suse.cz>
1384
1385         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1386         * cgraphbuild.c: Include ipa-utils.h
1387         (record_reference_ctx): New struct.
1388         (record_reference): Simplify to work on initializers; not statements.
1389         (mark_address, mark_load, mark_store): New.
1390         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1391         walk PHI nodes too.
1392         (record_references_in_initializer): Update use of record_reference.
1393         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1394         walk PHI nodes too.
1395
1396 2010-05-04  Jan Hubicka  <jh@suse.cz>
1397
1398         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1399         node will be removed anyway.
1400         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1401         relink aliases of node into prevailing node.
1402         * varpool.c (varpool_remove_node): Remove aliases properly;
1403         when removing node, remove all its aliases too; remove DECL_INITIAL
1404         of removed node; ggc_free the varpool node.
1405
1406 2010-05-04  Richard Guenther  <rguenther@suse.de>
1407
1408         PR tree-optimization/43879
1409         * tree-ssa-structalias.c (alias_get_name): Use
1410         DECL_ASSEMBLER_NAME if available.
1411         (create_function_info_for): Return the varinfo node.
1412         (ipa_pta_execute): Associate same-body aliases and extra names
1413         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1414
1415 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1416
1417         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1418
1419 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1420
1421         PR bootstrap/43964
1422         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1423         only if HONOR_REG_ALLOC_ORDER is not defined.
1424
1425 2010-05-04  Richard Guenther  <rguenther@suse.de>
1426
1427         PR tree-optimization/43949
1428         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1429         TRUNC_MOD_EXPR.
1430
1431 2010-04-26  Jason Merrill  <jason@redhat.com>
1432
1433         * c.opt (-fstrict-enums): New.
1434         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1435
1436 2010-05-03  David Ung <davidu@mips.com>
1437             James E. Wilson  <wilson@codesourcery.com>
1438
1439         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1440         emit the trap instruction before the divide for TUNE_74K.
1441
1442 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1443
1444         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1445         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1446         based on the above, for new target hook.
1447
1448         * hooks.c (hook_bool_mode_true): New generic hook.
1449         * hooks.h (hook_bool_mode_true): Add prototype.
1450
1451         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1452         target hook.
1453         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1454         target hook, set to hook_bool_mode_false.
1455         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1456         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1457         with targetm.small_register_classes_for_mode_p.
1458         (find_reusable_reload): Likewise.
1459         (combine_reloads): Likewise.
1460         * reload1.c (reload_as_needed): Likewise.
1461         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1462         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1463         dead_or_predicable): Likewise.
1464         * regmove.c (optimize_reg_copy_1): Likewise.
1465         * calls.c (prepare_call_address): Likewise.
1466         (precompute_register_parameters): Likewise.
1467
1468         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1469         hook definition.
1470         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1471         implementation of the hook that considers all register classes
1472         small except for SH64.
1473         (sh_override_options): Use the new hook.
1474         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1475         Add prototype.
1476
1477         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1478         hook definition.
1479         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1480         implementation of the hook that considers all register classes
1481         small for THUMB1.
1482         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1483         Add prototype.
1484
1485         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1486         hook definition.
1487         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1488         implementation of the hook that considers all register classes
1489         small for MIPS16.
1490         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1491         Add prototype.
1492
1493         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1494         hook definition.
1495         * config/m32c/m32c.h: Likewise.
1496         * config/pdp11/pdp11.h: Likewise.
1497         * config/avr/avr.h: Likewise.
1498         * config/xtensa/xtensa.h: Likewise.
1499         * config/m68hc11/m68hc11.h: Likewise.
1500         * config/mn10300/mn10300.h: Likewise.
1501         * config/mcore/mcore.h: Likewise.
1502         * config/h8300/h8300.h: Likewise.
1503         * config/bfin/bfin.h: Likewise.
1504
1505         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1506         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1507
1508 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1509
1510         * double-int.h (tree_to_double_int): Remove macro.
1511         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1512         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1513         (tree_to_double_int): New function.
1514         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1515         Move ...
1516         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1517
1518 2010-05-03  Richard Guenther  <rguenther@suse.de>
1519
1520         PR tree-optimization/43971
1521         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1522         constraints in the !flag_delete_null_pointer_checks case.
1523
1524 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1525
1526         PR debug/43972
1527         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1528         result mode matches original rtl mode.
1529
1530 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1531
1532         PR target/43888
1533         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1534
1535 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1536
1537         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1538         when processing flag options.
1539
1540 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1541
1542         * gcov-iov.c (main): Change format string placeholder
1543         from %#08x to 0x%08x.
1544         * genchecksum.c (dosum): Change format string placeholder
1545         from %#02x to 0x%02x.
1546
1547 2010-05-02  Richard Guenther  <rguenther@suse.de>
1548
1549         PR tree-optimization/43879
1550         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1551
1552 2010-05-02  Bruno Haible  <bruno@clisp.org>
1553
1554         * doc/extend.texi (Function Attributes): Fix a typo.
1555
1556 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1557
1558         Revert:
1559         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1560         placeholder from 0x%x to %#x.
1561         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1562         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1563         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1564         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1565         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1566         * config/i386/i386.c (ix86_target_string): Ditto.
1567         * config/i386/i386.c (output_pic_addr_const): Ditto.
1568         (print_operand): Ditto.
1569
1570 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1571
1572         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1573         placeholder from 0x%x to %#x.
1574         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1575         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1576         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1577         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1578         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1579         * optc-gen.awk: Ditto.
1580         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1581         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1582         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1583         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1584
1585 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1586
1587         * target.h (struct calls): Add function_value_regno_p field.
1588         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1589         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1590         * targhooks.c (default_function_value_regno_p): New function.
1591         * targhooks.h (default_function_value_regno_p): Declare function.
1592         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1593         * builtins.c. (apply_result_size): (Ditto.).
1594         * combine.c. (likely_spilled_retval_p): (Ditto.).
1595         * mode-switching.c. Include 'target.h'.
1596         (create_pre_exit): Use function_value_regno_p hook.
1597         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1598         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1599         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1600
1601         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1602         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1603         (ix86_function_value_regno_p): Declare as static, change argument
1604         type to const unsigned int.
1605         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1606
1607 2010-05-01  Richard Guenther  <rguenther@suse.de>
1608
1609         PR tree-optimization/43949
1610         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1611         types.
1612         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1613
1614 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1615
1616         * rtl.h (CONST_DOUBLE_P): Define.
1617         (rtx_to_double_int): Declare.
1618         * emit-rtl.c (rtx_to_double_int): New function.
1619         * dwarf2out.c (insert_double): New function.
1620         (loc_descriptor, add_const_value_attribute): Clean up, use
1621         rtx_to_double_int and insert_double functions.
1622
1623 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1624
1625         * doc/extend.texi (Inline): Add missing return keyword to examples.
1626         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1627         "command-line".
1628
1629 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1630
1631         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1632         the variable part of the offset as well.  Use highest_pow2_factor for
1633         all alignment checks.
1634
1635 2010-04-30  Richard Guenther  <rguenther@suse.de>
1636
1637         PR tree-optimization/43879
1638         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1639         can have pointers.
1640
1641 2010-04-30  Jan Hubicka  <jh@suse.cz>
1642
1643         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1644         varpool.
1645         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1646
1647 2010-04-30  Jan Hubicka  <jh@suse.cz>
1648
1649         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1650         New.
1651         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1652         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1653         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1654         cgraph_node_set_needs_ltrans_p): Remove.
1655
1656 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1657
1658         * sdbout.c: Include vec.h, do not include varray.h.
1659         (deferred_global_decls, sdbout_global_decl,
1660         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1661         * toplev.c: Do not include varray.h.
1662         (dump_memory_report): Do not dump VARRAY statistics.
1663         * gengtype.c (open_base_file): Ignore varray.h.
1664         * Makefile.in: Update for abovementioned changes.
1665         Remove all traces of varray.c and varray.h.
1666         * varray.c: Remove file.
1667         * varray.h: Remove file.
1668
1669 2010-04-30  Jan Hubicka  <jh@suse.cz>
1670
1671         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1672         references.
1673
1674 2010-04-30  Jan Hubicka  <jh@suse.cz>
1675
1676         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1677         needed.
1678
1679 2010-04-30  Richard Guenther  <rguenther@suse.de>
1680
1681         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1682         constraints for CONSTRUCTOR.
1683
1684 2010-04-30  Richard Guenther  <rguenther@suse.de>
1685
1686         PR lto/43946
1687         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1688         first after all lowering passes.
1689
1690 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1691
1692         * toplev.c: Include varray.h for statistics dumping.
1693         * tree.h: Do not declare varray_head_tag.
1694         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1695         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1696         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1697         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1698         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1699         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1700         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1701         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1702         include varray.h.
1703         * Makefile.in: Update for abovementioned changes.
1704
1705 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1706
1707         PR debug/43942
1708         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1709
1710 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1711
1712         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1713         Use this function to do machine-specific conversion.
1714         (picochip_legitimize_reload_address): Likewise.
1715         (picochip_legitimate_address_p): Check valid base register only if
1716         strict.
1717         (picochip_check_conditional_copy): Check for modw only if opnd is
1718         register.
1719         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1720         to call the function in c.
1721         * config/picochip/picochip-protos.h
1722         (picochip_legitimize_reload_address): Define.
1723         * config/picochip/picochip.md (supported_compare1): Define.
1724
1725 2010-04-30  Jan Hubicka  <jh@suse.cz>
1726
1727         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1728         (cgraph_global_info): Remove inlined.
1729         (LTO_cgraph_tag_names): Remove.
1730         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1731         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1732         simplify cgraph tags and document.
1733         (lto_output_node): Use only LTO_cgraph_unavail_node and
1734         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1735         for_functions_valid, global info, process and output flags.
1736         (input_overwrite_node): Initialize estimated stack size and
1737         estimated growth.  Do not read flags we no longer store.
1738         (input_node): Likewise do not read info no longer stored.
1739         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1740         flag.
1741
1742 2010-04-30  Richard Guenther  <rguenther@suse.de>
1743
1744         PR tree-optimization/43879
1745         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1746         handle non-zero initializers.
1747
1748 2010-04-30  Richard Guenther  <rguenther@suse.de>
1749
1750         * builtins.c (fold_builtin_1): Delete free (0).
1751
1752 2010-04-29  Jan Hubicka  <jh@suse.cz>
1753
1754         * gengtype.c (open_base_files): Add lto-streamer.h
1755         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1756         (pass_ipa_cp): GGC collect.
1757         * toplev. (compile_file): Do not output symbols.
1758         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1759         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1760         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1761         * lto-section-in.c: Include ggc.h
1762         (lto_new_in_decl_state): Alloc in GGC.
1763         (lto_delete_in_decl_state): Likewise.
1764         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1765         Collect.
1766
1767 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1768
1769         PR target/42895
1770         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1771         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1772         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1773         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1774         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1775         account only if HONOR_REG_ALLOC_ORDER is not defined.
1776         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1777         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1778
1779 2010-04-29  Jon Grant  <04@jguk.org>
1780
1781         * collect2.c (vflag): Change type from int to bool.
1782         (debug): Likewise.
1783         (helpflag): New global bool.
1784         (main): Set vflag and debug with boolean, not integer truth values.
1785         Accept new "--help" option and output usage text if found.
1786         * collect2.h (vflag): Update prototype.
1787         (debug): Likewise.
1788
1789 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1790
1791         PR bootstrap/43936
1792         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1793
1794 2010-04-29  Richard Guenther  <rguenther@suse.de>
1795
1796         PR bootstrap/43935
1797         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1798         with ATTRIBUTE_UNUSED.
1799
1800 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1801
1802         PR target/43921
1803         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1804         INSN_P with NONDEBUG_INSN_P.
1805         (distance_non_agu_define): Likewise.
1806         (distance_agu_use): Likewise.
1807
1808 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1809
1810         From Dominique d'Humieres <dominiq@lps.ens.fr>
1811         PR bootstrap/43858
1812         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1813         test_set.
1814
1815 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1816
1817         * plugin.h (invoke_plugin_callbacks): New inline function.
1818         * plugin.c (flag_plugin_added): New global flag.
1819         (add_new_plugin): Initialize above flag.
1820         (invoke_plugin_callbacks): Rename to ...
1821         (invoke_plugin_callbacks_full): ... this.
1822
1823 2010-04-28  Jan Hubicka  <jh@suse.cz>
1824
1825         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1826         (lto_varpool_replace_node): New.
1827         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1828         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1829         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1830         * cgraph.h (varpool_node_ptr): New type.
1831         (varpool_node_ptr): New vector.
1832         (varpool_node_set_def): New structure.
1833         (varpool_node_set): New type.
1834         (varpool_node_set): New vector.
1835         (varpool_node_set_element_def): New structure.
1836         (varpool_node_set_element, const_varpool_node_set_element): New types.
1837         (varpool_node_set_iterator): New type.
1838         (varpool_node): Add prev pointers, add used_from_other_partition,
1839         in_other_partition.
1840         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1841         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1842         varpool_get_node, varpool_remove_node): Declare.
1843         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1844         varpool_node_set_size): New inlines.
1845         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1846         * tree-pass.h (varpool_node_set_def): Forward declare.
1847         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1848         (ipa_write_optimization_summaries): Update prototype.
1849         * ipa-cp.c (ipcp_write_summary): Update.
1850         * ipa-reference.c (ipa_reference_write_summary): Update.
1851         * lto-cgraph.c (lto_output_varpool_node): New static function.
1852         (output_varpool): New function.
1853         (input_varpool_node): New static function.
1854         (input_varpool_1): New function.
1855         (input_cgraph): Input varpool.
1856         * ipa-pure-const.c (pure_const_write_summary): Update.
1857         * lto-streamer-out.c (lto_output): Update, output varpool too.
1858         (write_global_stream): Kill WPA hack.
1859         (produce_asm_for_decls): Update.
1860         (output_alias_pair_p): Handle variables.
1861         (output_unreferenced_globals): Output only needed partition of varpool.
1862         * ipa-inline.c (inline_write_summary): Update.
1863         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1864         cgraph.
1865         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1866         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1867         varpool_node_set_new, varpool_node_set_add,
1868         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1869         debug_varpool_node_set): New functions.
1870         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1871         (execute_one_pass): Process new decls too.
1872         (ipa_write_summaries_2): Pass around vsets.
1873         (ipa_write_summaries_1): Likewise.
1874         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1875         to add.
1876         (ipa_write_optimization_summaries_1): Pass around vsets.
1877         (ipa_write_optimization_summaries): Likewise.
1878         * varpool.c (varpool_get_node): New.
1879         (varpool_node): Update doubly linked lists.
1880         (varpool_remove_node): New.
1881         (dump_varpool_node): More dumping.
1882         (varpool_enqueue_needed_node): Update doubly linked lists.
1883         (decide_is_variable_needed): Kill ltrans hack.
1884         (varpool_finalize_decl): Kill lto hack.
1885         (varpool_assemble_decl): Skip decls in other partitions.
1886         (varpool_assemble_pending_decls): Update doubly linkes lists.
1887         (varpool_empty_needed_queue): Likewise.
1888         (varpool_extra_name_alias): Likewise.
1889         * lto-streamer.c (lto_get_section_name): Add vars section.
1890         * lto-streamer.h (lto_section_type): Update.
1891         (output_varpool, input_varpool): Declare.
1892
1893 2010-04-28  Mike Stump  <mikestump@comcast.net>
1894
1895         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1896
1897 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1898
1899         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1900         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1901         (lto_input_ts_type_tree_pointers): Likewise.
1902         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1903         (lto_output_ts_type_tree_pointers): Likewise.
1904
1905 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1906
1907         Uniquization of constants at the Tree level
1908         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1909         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1910         bit to the end.
1911         (tree_output_constant_def): Declare.
1912         * gimplify.c (gimplify_init_constructor): When using block copy, first
1913         uniquize the constant constructor on the RHS.
1914         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1915         DECL_IN_CONSTANT_POOL flag.
1916         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1917         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1918         constant pool.
1919         (assemble_variable): Deal with symbols belonging to the tree constant
1920         pool.
1921         (get_constant_section): Add ALIGN parameter and simplify.
1922         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1923         (assemble_constant_contents): Use the expression of the VAR_DECL.
1924         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1925         (tree_output_constant_def): New global function.
1926         (mark_constant): Use the expression of the VAR_DECL.
1927         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1928         its expression.
1929         (output_object_block): Likewise and assemble the expression.
1930
1931 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1932
1933         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1934         hash_tree, eq_tree): New tree hash table.
1935         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1936         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1937         lto_orig_address_remove): Reimplement.
1938
1939 2010-04-28  Xinliang David Li  <davidxl@google.com>
1940
1941         PR c/42643
1942         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1943         (compute_uninit_opnds_pos): New function.
1944         (is_non_loop_exit_postdominating): New function.
1945         (compute_control_dep_chain): New function.
1946         (find_pdom): New function.
1947         (convert_control_dep_chain_into_preds): New function.
1948         (find_predicates): New function.
1949         (find_control_equiv_block): New function.
1950         (collect_phi_def_edges): New function.
1951         (find_def_preds): New function.
1952         (find_dom): New function.
1953         (dump_predicates): New function.
1954         (get_cmp_code): New function.
1955         (is_value_included_in): New function.
1956         (find_matching_predicate_in_rest_chains): New function.
1957         (use_pred_not_overlap_with_undef_path_pred): New function.
1958         (is_use_properly_guarded): New function.
1959         (normalize_cond_1): New function.
1960         (is_and_or_or): New function.
1961         (normalize_cond): New function.
1962         (is_gcond_subset_of): New function.
1963         (is_subset_of_any): New function.
1964         (is_or_set_subset_of): New function.
1965         (is_and_set_subset_of): New function.
1966         (is_norm_cond_subset_of): New function.
1967         (is_pred_expr_subset_of): New function.
1968         (is_pred_chain_subset_of): New function.
1969         (is_included_in): New function.
1970         (is_superset_of): New function.
1971         (find_uninit_use): New function.
1972         (warn_uninitialized_phi): New function.
1973         (compute_possibly_undefined_names): New function.
1974         (ssa_undefined_value_p): New function.
1975         (execute_late_warn_uninitialized): New function.
1976         * tree-ssa.c (ssa_undefined_value_p): Removed.
1977         (warn_uninit): Changed to extern.
1978         (warn_uninitialized_phi): Removed.
1979         (warn_uninitialized_vars): Changed to extern.
1980         (execute_late_warn_uninitialized): Removed
1981         * tree-flow.h: Add new prototypes.
1982         * timevar.def: Add new time variable.
1983         * Makefile.in: Add new build file.
1984
1985 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1986
1987         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1988         type if available.
1989
1990 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1991
1992         PR target/22224
1993         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1994
1995 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1996
1997         * cgraph.h (struct cgraph_node): New field indirect_calls.
1998         (struct cgraph_indirect_call_info): New type.
1999         (struct cgraph_edge): Removed field indirect_call. New fields
2000         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2001         (cgraph_create_indirect_edge): Declare.
2002         (cgraph_make_edge_direct): Likewise.
2003         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2004         * ipa-prop.h (struct ipa_param_call_note): Removed.
2005         (struct ipa_node_params): Removed field param_calls.
2006         (ipa_create_all_structures_for_iinln): Declare.
2007         * cgraph.c: Described indirect edges and uids in initial comment.
2008         (cgraph_add_edge_to_call_site_hash): New function.
2009         (cgraph_edge): Search also among the indirect edges, use
2010         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2011         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2012         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2013         site hash.
2014         (initialize_inline_failed): Assign a reason to indirect edges.
2015         (cgraph_create_edge_1): New function.
2016         (cgraph_create_edge): Moved some functionality to
2017         cgraph_create_edge_1.
2018         (cgraph_create_indirect_edge): New function.
2019         (cgraph_edge_remove_callee): Add an assert checking for
2020         non-indirectness.
2021         (cgraph_edge_remove_caller): Special-case indirect edges.
2022         (cgraph_remove_edge): Likewise.
2023         (cgraph_set_edge_callee): New function.
2024         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2025         (cgraph_make_edge_direct): New function.
2026         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2027         the declaration of the call statement matches.
2028         (cgraph_node_remove_callees): Special-case indirect edges.
2029         (cgraph_clone_edge): Likewise.
2030         (cgraph_clone_node): Clone also the indirect edges.
2031         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2032         indirect_call, dump count of indirect_calls edges.
2033         * ipa-prop.c (iinlining_processed_edges): New variable.
2034         (ipa_note_param_call): Create indirect edges instead of
2035         creating notes.  New parameter node.
2036         (ipa_analyze_call_uses): New parameter node, pass it on to
2037         ipa_note_param_call.
2038         (ipa_analyze_stmt_uses): Likewise.
2039         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2040         (print_edge_addition_message): Work on edges rather than on notes.
2041         (update_call_notes_after_inlining): Likewise, renamed to
2042         update_indirect_edges_after_inlining.
2043         (ipa_create_all_structures_for_iinln): New function.
2044         (ipa_free_node_params_substructures): Do not free notes.
2045         (ipa_edge_duplication_hook): Propagate bits within
2046         iinlining_processed_edges bitmap.
2047         (ipa_node_duplication_hook): Do not duplicate notes.
2048         (free_all_ipa_structures_after_ipa_cp): Renamed to
2049         ipa_free_all_structures_after_ipa_cp.
2050         (free_all_ipa_structures_after_iinln): Renamed to
2051         ipa_free_all_structures_after_iinln.
2052         (ipa_write_param_call_note): Removed.
2053         (ipa_read_param_call_note): Removed.
2054         (ipa_write_indirect_edge_info): New function.
2055         (ipa_read_indirect_edge_info): Likewise.
2056         (ipa_write_node_info): Do not stream notes, do stream information
2057         in indirect edges.
2058         (ipa_read_node_info): Likewise.
2059         (lto_ipa_fixup_call_notes): Removed.
2060         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2061         * ipa-inline.c (pass_ipa_inline): Likewise.
2062         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2063         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2064         * tree-inline.c (copy_bb): Removed an unnecessary double check for
2065         is_gimple_call.
2066         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2067         edges.
2068         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2069         (output_cgraph): Stream also indirect edges.
2070         (lto_output_edge): Added capability to stream indirect edges.
2071         (input_edge): Likewise.
2072         (input_cgraph_1): Likewise.
2073         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2074         of indirect edges.
2075
2076 2010-04-28  Richard Guenther  <rguenther@suse.de>
2077
2078         PR tree-optimization/43879
2079         PR tree-optimization/43909
2080         * tree-ssa-structalias.c (struct variable_info): Add
2081         only_restrict_pointers flag.
2082         (new_var_info): Initialize it.  Increment stats.total_vars here.
2083         (create_function_info_for): Do not increment stats.total_vars here.
2084         (get_function_part_constraint): Fix build with C++.
2085         (insert_into_field_list): Remove.
2086         (push_fields_onto_fieldstack): Properly merge fields.
2087         (create_variable_info_for): Split and simplify.
2088         (create_variable_info_for_1): New piece.
2089         (intra_create_variable_infos): Properly make restrict constraints
2090         from parameters.
2091
2092 2010-04-28  Richard Guenther  <rguenther@suse.de>
2093
2094         PR c++/43880
2095         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2096
2097 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2098             Jan Hubicka <hubicka@ucw.cz>
2099
2100         * doc/invoke.texi (-Wsuggest-attribute=const,
2101         -Wsuggest-attribute=pure): Document.
2102         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2103         (function_always_visible_to_compiler_p,
2104         suggest_attribute, warn_function_pure, warn_function_const):
2105         New functions.
2106         (check_call): Improve debug info.
2107         (analyze_function): Do not check availability.
2108         (add_new_function): Check availability.
2109         (propagate): Output warnings.
2110         (skip_function_for_local_pure_const): New function.
2111         (local_pure_const): Use it; output warnings.
2112         * common.opt (Wsuggest-attribute=const,
2113         Wsuggest-attribute=pure): New.
2114
2115 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2116
2117         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2118         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2119         or DW_CFA_def_cfa_offset{,_sf}.
2120
2121 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2122
2123         * tree.h: Fix truncated long macros.
2124
2125 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
2126
2127         * collect2.c (TARGET_64BIT): Redefine to target's default.
2128         * tlink.c: Likewise.
2129         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2130         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2131         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2132         for underscoring __USER_LABEL_PREFIX__.
2133         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2134         (SUB_LINK_ENTRY32): New.
2135         (SUB_LINK_ENTRY64): New.
2136         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2137         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2138         (SUB_LINK_ENTRY64): New.
2139         (SUB_LINK_ENTRY): New.
2140         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2141         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2142         x64 target is choosen.
2143         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2144         * configure: Regenerated.
2145         * configure.ac (leading-mingw64-underscores): Option added.
2146
2147 2010-04-27  Jan Hubicka  <jh@suse.cz>
2148
2149         * doc/invoke.texi (-fipa-profile): Document.
2150         * opts.c (decode_options): Enable ipa-profile at -O1.
2151         * timevar.def (TV_IPA_PROFILE): Define.
2152         * common.opt (fipa-profile): Add.
2153         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2154         flag for clones.
2155         (cgraph_propagate_frequency): Handle only local ones.
2156         * tree-pass.h (pass_ipa_profile): Declare.
2157         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2158         (pass_ipa_profile): Use TV_IPA_PROFILE.
2159         * ipa.c (ipa_profile): New function.
2160         (gate_ipa_profile): Likewise.
2161         (pass_ipa_profile): New global variable.
2162         * passes.c (pass_ipa_profile): New.
2163
2164 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
2165
2166         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2167
2168 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2169
2170         PR middle-end/43812
2171         * ipa.c (dissolve_same_comdat_group_list): New function.
2172         (function_and_variable_visibility): Call
2173         dissolve_same_comdat_group_list when comdat group contains external or
2174         newly local nodes.
2175         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2176         lists are circular and that they contain only DECL_ONE_ONLY nodes.
2177
2178 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2179
2180         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2181         (const_hash_1) <VECTOR_CST>: New case.
2182         (compare_constant) <VECTOR_CST>: Likewise.
2183         <ADDR_EXPR>: Deal with LABEL_REFs.
2184         (copy_constant) <VECTOR_CST>: New case.
2185
2186 2010-04-27  Jan Hubicka  <jh@suse.cz>
2187
2188         * cgraph.c (cgraph_propagate_frequency): New function.
2189         * cgraph.h (cgraph_propagate_frequency): Declare.
2190         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2191         cgraph_propagate_frequency.
2192
2193 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2194
2195         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2196
2197 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
2198
2199         PR target/40657
2200         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2201         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2202         here to determine which regs to push and how much stack to reserve.
2203
2204 2010-04-27  Jie Zhang  <jie@codesourcery.com>
2205
2206         * doc/gimple.texi (gimple_statement_with_ops): Remove
2207         addresses_taken field.
2208         (gimple_statement_with_memory_ops): Likewise.
2209
2210 2010-04-27  Jan Hubicka  <jh@suse.cz>
2211
2212         * tree-inline.c (eni_inlining_weights): Remove.
2213         (estimate_num_insns): Special case more builtins.
2214
2215 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2216
2217         PR c/32207
2218         * c-typeck.c (build_binary_op): Move forward check for comparison
2219         pointer with null pointer constant and adjust the diagnostic message.
2220
2221 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
2222
2223         PR lto/42776
2224         * configure.ac (gcc_cv_as_section_has_align): Set if installed
2225         binutils supports extended .section directive needed by LTO, or
2226         warn if older binutils found.
2227         (LTO_BINARY_READER): New AC_SUBST'd variable.
2228         (LTO_USE_LIBELF): Likewise.
2229         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2230         variable.
2231         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2232         (LTO_USE_LIBELF): Likewise.
2233         * configure: Regenerate.
2234
2235         * collect2.c (is_elf): Rename from this ...
2236         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2237          object files in addition to ELF-formatted ones.
2238         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2239         symbol to be prefixed or not by an extra underscore.
2240
2241         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2242         * config/i386/winnt.c: Also #include lto-streamer.h
2243         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2244         LTO named sections.
2245         (i386_pe_asm_output_aligned_decl_common): Add comment.
2246         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2247
2248 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2249
2250         PR target/43889
2251         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2252         Add missing earlyclobber for second alternative.
2253
2254 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2255
2256         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2257         bits for artificial defs at the top of the block.
2258         * fwprop.c (single_def_use_enter_block): Don't call it.
2259
2260 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2261
2262         PR 43715
2263         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2264         instead of "$gcc_cv_objdump -T".
2265         Use "-undefined dynamic_lookup" on darwin.
2266         * gcc/configure: Regenerate.
2267
2268 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2269
2270         PR c/43893
2271         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2272
2273 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2274
2275         * c-parser.c (struct c_token): Move location field up.
2276         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2277         (struct c_declspecs): Convert typespec_word, storage_class, and
2278         default_int_p into bitfields.
2279         (struct c_declarator): Move loc field up.
2280
2281 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2282
2283         * cfgloop.h (struct loop): Move can_be_parallel field up.
2284         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2285         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2286         down.
2287         (struct iv_cand): Convert pos field into a bitfield.
2288         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2289         field up.
2290         (struct _stmt_vec_info): Shuffle fields for better packing.
2291
2292 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2293
2294         * varasm.c (IN_NAMED_SECTION): Remove guard.
2295         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2296         (IN_NAMED_SECTION_P): ...this.
2297         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2298         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2299
2300 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2301
2302         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2303         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2304         of shadowing it.  Fix comments.
2305
2306 2010-04-26  Jan Hubicka  <jh@suse.cz>
2307
2308         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2309         (cgraph_clone_node): Copy function frequency.
2310         * cgraph.h (node_frequency): New enum
2311         (struct cgraph_node): Add.
2312         * final.c (rest_of_clean_state): Update.
2313         * lto-cgraph.c (lto_output_node): Output node frequency.
2314         (input_overwrite_node): Input node frequency.
2315         * tre-ssa-loop-ivopts (computation_cost): Update.
2316         * lto-streamer-out.c (output_function): Do not output function
2317         frequency.
2318         * predict.c (maybe_hot_frequency_p): Update and handle functions
2319         executed once.
2320         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2321         attribute lookup.
2322         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2323         (compute_function_frequency): Set noreturn functions to be executed
2324         once.
2325         (choose_function_section): Update.
2326         * lto-streamer-in.c (input_function): Do not input function frequency.
2327         * function.c (allocate_struct_function): Do not initialize function
2328         frequency.
2329         * function.h (function_frequency): Remove.
2330         (struct function): Remove function frequency.
2331         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2332         (try_update): Update.
2333         * tree-inline.c (initialize_cfun): Do not update function frequency.
2334         * passes.c (pass_init_dump_file): Update.
2335         * i386.c (ix86_compute_frame_layout): Update.
2336         (ix86_pad_returns): Update.
2337
2338 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2339
2340         PR tree-optimization/43833
2341         * tree-vrp.c (range_int_cst_p): New.
2342         (range_int_cst_singleton_p): New.
2343         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2344         when both operands are constants.  Use range_int_cst_p in
2345         BIT_IOR_EXPR case.
2346
2347 2010-04-26  Jan Hubicka  <jh@suse.cz>
2348
2349         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2350
2351 2010-04-26  Richard Guenther  <rguenther@suse.de>
2352
2353         PR lto/43080
2354         * gimple.c (gimple_decl_printable_name): Deal gracefully
2355         with a NULL DECL_NAME.
2356
2357 2010-04-26  Richard Guenther  <rguenther@suse.de>
2358
2359         PR lto/42425
2360         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2361         if emitting debug information and it is either a function
2362         or a namespace decl.
2363
2364 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2365
2366         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2367         determine if the statement is vectorizable, and a macro to access it.
2368         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2369         Skip statements that can't be vectorized. If the analysis fails,
2370         mark the statement as unvectorizable if vectorizing basic block.
2371         (vect_compute_data_refs_alignment): Likewise.
2372         (vect_verify_datarefs_alignment): Skip statements marked as
2373         unvectorizable. Add print.
2374         (vect_analyze_group_access): Skip statements that can't be
2375         vectorized. If the analysis fails, mark the statement as
2376         unvectorizable if vectorizing basic block.
2377         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2378         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2379         generated stmts for SLP.
2380         (new_stmt_vec_info): Initialize the new field.
2381         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2382         statements marked as unvectorizable.
2383
2384 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2385
2386         * c-common.c (flag_isoc1x): New.
2387         (flag_isoc99): Update comment.
2388         * c-common.h (flag_isoc1x): New.
2389         (flag_isoc99): Update comment.
2390         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2391         __<type>_DECIMAL_DIG__.
2392         * c-opts.c (set_std_c1x): New.
2393         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2394         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2395         * c.opt (-std=c1x, -std=gnu1x): New options.
2396         * doc/cpp.texi: Mention -std=c1x.
2397         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2398         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2399         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2400         * doc/standards.texi: Mention C1X.
2401         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2402         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2403         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2404         Define for C1X.
2405
2406 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2407
2408         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2409         placeholder from 0x%x to %#x.
2410         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2411         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2412         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2413         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2414         * config/i386/i386.c (ix86_target_string): Ditto.
2415         (output_pic_addr_const): Ditto.
2416         (print_operand): Ditto.
2417
2418 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2419
2420         * combine.c (find_split_point): Add third argument.  Use it
2421         to find nested multiply-accumulate instructions.  Adjust calls.
2422         (try_combine): Adjust call to find_split_point.
2423
2424 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2425
2426         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2427
2428 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2429
2430         PR tree-optimization/41442
2431         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2432         (fold_binary_loc): Call it.
2433
2434 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2435
2436         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2437         * opts.c (common_handle_option): Allow disabling it.
2438         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2439
2440 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2441
2442         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2443         between modes if both types are integral.
2444
2445 2010-04-23  Richard Guenther  <rguenther@suse.de>
2446
2447         PR tree-optimization/43572
2448         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2449
2450 2010-04-23  Richard Guenther  <rguenther@suse.de>
2451
2452         PR lto/43455
2453         * tree-inline.c (tree_can_inline_p): Also check compatibility
2454         of return types.
2455
2456 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2457
2458         PR tree-optimization/43846
2459         * tree-sra.c (struct access): New flag grp_assignment_read.
2460         (build_accesses_from_assign): Set grp_assignment_read.
2461         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2462         (enum mark_read_status): New type.
2463         (analyze_access_subtree): Propagate grp_assignment_read, create
2464         accesses also if both direct_read and root->grp_assignment_read.
2465
2466 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2467
2468         PR middle-end/43835
2469         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2470         function does not have type attributes.
2471
2472 2010-04-23  Richard Guenther  <rguenther@suse.de>
2473
2474         PR lto/42653
2475         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2476         of FUNCTION_DECLs.
2477
2478 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2479
2480         * sese.h (create_if_region_on_edge): Remove.
2481
2482         * sese.c (create_if_region_on_edge): Make static.
2483
2484         * tree-inline.c: Do not include ggc.h.
2485
2486         * expr.c: Do not include ggc.h.
2487
2488         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2489         dependencies.
2490
2491 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2492
2493         PR target/43744
2494         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2495         in the middle of insns for casesi_worker_2.
2496
2497 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2498
2499         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2500
2501 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2502
2503         PR tree-optimization/43842
2504         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2505         loop unrolling in update of exit phis. Fix comment.
2506         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2507         least two reduction statements in the loop before starting SLP
2508         analysis.
2509
2510 2010-04-22  Nick Clifton  <nickc@redhat.com>
2511
2512         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2513
2514 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2515
2516         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2517         to simplify a + ~a.
2518
2519 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2520
2521         * tree-parloops.c (loop_parallel_p): New argument
2522         parloop_obstack.  Pass it down.
2523         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2524         pass it down, free it.
2525
2526         * tree-loop-linear.c (linear_transform_loops): Pass down
2527         lambda_obstack.
2528
2529         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2530         of type struct obstack *.
2531
2532         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2533         scratch_obstack.  Initialize it, pass down, free it.
2534
2535         * lambda.h (lambda_loop_new): Remove.
2536         (lambda_matrix_new, lambda_matrix_inverse)
2537         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2538         argument of type struct obstack *.
2539
2540         * lambda-trans.c (lambda_trans_matrix_new): New argument
2541         lambda_obstack.  Pass it down, use obstack allocation for ret.
2542         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2543         it down.
2544
2545         * lambda-mat.c (lambda_matrix_get_column)
2546         (lambda_matrix_project_to_null): Remove.
2547         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2548         allocation for mat.
2549         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2550         lambda_obstack.
2551
2552         * lambda-code.c (lambda_loop_new): New function.
2553         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2554         (lambda_compute_auxillary_space, lambda_compute_target_space)
2555         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2556         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2557         (build_access_matrix): New argument lambda_obstack.  Use obstack
2558         allocation for am.
2559         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2560         argument lambda_obstack.  Pass it down.
2561
2562 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2563
2564         * optabs.h (expand_widening_mult): Declare.
2565
2566 2010-04-22  Richard Guenther  <rguenther@suse.de>
2567
2568         PR tree-optimization/43845
2569         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2570         lookup the CALL_EXPR function and arguments.
2571
2572 2010-04-22  Nick Clifton  <nickc@redhat.com>
2573
2574         * config/stormy16/stormy16.c
2575         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2576         * config/stormy16/stormy16.h: Tidy up formatting.
2577         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2578         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2579         (ineqbranchsi): Delete pattern.
2580         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2581         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2582         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2583         stormy16-lib2-ucmpsi2.c.
2584
2585 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2586
2587         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2588         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2589         extra set merge_set_noclobber, and use it to relax the final test
2590         slightly.
2591         * df.h (df_simulate_find_noclobber_defs): Declare.
2592         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2593         conditional defs.
2594         (df_simulate_find_noclobber_defs): New function.
2595
2596 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2597
2598         * config/i386/i386.md: Use {} around multi-line preparation statements.
2599
2600 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2601
2602         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2603         (process_init_element): New argument of type struct obstack *.
2604
2605         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2606         (set_init_index, set_init_label, set_nonincremental_init)
2607         (set_nonincremental_init_from_string, find_init_member)
2608         (output_init_element, output_pending_init_elements)
2609         (process_init_element): New argument braced_init_obstack.  Pass it
2610         down.
2611         (push_range_stack, add_pending_init): New argument
2612         braced_init_obstack.  Use obstack allocation.
2613
2614         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2615         braced_init_obstack.  Pass it down.
2616         (c_parser_braced_init): New variables ret, braced_init_obstack.
2617         Initialize obstack, pass it down and finally free it.
2618
2619 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2620
2621         PR middle-end/29274
2622         * tree-pass.h (pass_optimize_widening_mul): Declare.
2623         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2624         gate_optimize_widening_mul): New static functions.
2625         (pass_optimize_widening_mul): New.
2626         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2627         <case MULT_EXPR>: Remove support for widening multiplies.
2628         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2629         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2630         simplify_gen_unary rather than directly building extensions.
2631         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2632         WIDEN_MULT_EXPR.
2633         * expmed.c (expand_widening_mult): New function.
2634         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2635
2636 2010-04-21  Jan Hubicka  <jh@suse.cz>
2637
2638         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2639         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2640         * lto-wpa-fixup.c: Remove.
2641         * Makefile.in (lto-wpa-fixup.o): Remove.
2642         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2643         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2644         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2645
2646 2010-04-21  Jan Hubicka  <jh@suse.cz>
2647
2648         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2649         add write_optimization_summary, read_optimization_summary.
2650         (ipa_write_summaries_of_cgraph_node_set): Remove.
2651         (ipa_write_optimization_summaries): Declare.
2652         (ipa_read_optimization_summaries): Declare.
2653         * ipa-cp.c (pass_ipa_cp): Update.
2654         * ipa-reference.c (pass_ipa_reference): Update.
2655         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2656         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2657         Update.
2658         * ipa-inline.c (pass_ipa_inline): Update.
2659         * ipa.c (pass_ipa_whole_program): Update.
2660         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2661         * passes.c (ipa_write_summaries_1): Do not test wpa.
2662         (ipa_write_optimization_summaries_1): New.
2663         (ipa_write_optimization_summaries): New.
2664         (ipa_read_summaries): Do not test ltrans.
2665         (ipa_read_optimization_summaries_1): New.
2666         (ipa_read_optimization_summaries): New.
2667
2668 2010-04-21  Jan Hubicka  <jh@suse.cz>
2669
2670         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2671         for boundary nodes.
2672         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2673
2674 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2675
2676         PR debug/40040
2677         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2678         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2679
2680 2010-04-21  Jan Hubicka  <jh@suse.cz>
2681
2682         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2683
2684 2010-04-21  Jan Hubicka  <jh@suse.cz>
2685
2686         * varpool.c (decide_is_variable_needed): Variable is always needed
2687         during ltrans.
2688
2689 2010-04-21  Jan Hubicka  <jh@suse.cz>
2690
2691         * opts.c (decode_options): Enable pure-const pass for whopr.
2692
2693 2010-04-21  Jan Hubicka  <jh@suse.cz>
2694
2695         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2696         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2697         at WPA dumping.
2698         (cgraph_decide_inlining): Do not expect callee to be removed in all
2699         cases.
2700
2701 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2702
2703         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2704
2705 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2706
2707         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2708         amdfam10_decode attributes.
2709
2710 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2711
2712         PR middle-end/43570
2713         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2714         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2715         (lower_copyprivate_clauses): Use private var in outer
2716         context instead of original var.  Make sure the types
2717         are correct for VLAs.
2718
2719 2010-04-21  Richard Guenther  <rguenther@suse.de>
2720
2721         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2722         to non-pointer objects.
2723
2724 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2725
2726         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2727         last chain entry if it starts with the still current label.
2728         (add_location_or_const_value_attribute): Check that
2729         loc_list->first->next is NULL instead of comparing ->first with ->last.
2730         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2731         to add_var_loc_to_decl.
2732
2733         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2734         >= 4 add also address size and segment size fields into CIE header.
2735
2736         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2737         long as address size is the same as sizeof (void *) and
2738         segment size is 0.
2739         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2740         address size or segment size is unexpected, return DW_EH_PE_omit.
2741         (classify_object_over_fdes): If get_cie_encoding returned
2742         DW_EH_PE_omit, return -1.
2743         (init_object): If classify_object_over_fdes returned -1,
2744         pretend there were no FDEs at all.
2745
2746 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2747
2748         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2749         bswap{si,di}2 using SWI48 mode iterator.
2750         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2751         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2752         set modrm attribute of bswap insn to 0 and remove length attribute.
2753         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2754         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2755         set mode attribute to <MODE> and remove length attribute.
2756
2757 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2758
2759         PR rtl-optimization/43520
2760         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2761         zero available registers.
2762
2763 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2764
2765         * builtins.c (fold_builtin_cproj): Fold more cases.
2766
2767 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2768
2769         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2770         (fold_builtin_1): Fold builtin cproj.
2771         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2772         Use ATTR_CONST_NOTHROW_LIST.
2773
2774 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2775
2776         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2777         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2778         ffsi2_no_cmove for !TARGET_CMOVE.
2779         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2780         (ffssi2): Remove expander.
2781         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2782         mode iterator.
2783         (ctz<mode>2): Ditto from ctz{si,di}2.
2784         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2785         mode iterator.
2786         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2787         mode iterator.
2788
2789 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2790
2791         * dwarf2out.c (AT_linkage_name): Define.
2792         (clone_as_declaration): Handle DW_AT_linkage_name.
2793         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2794         of DW_AT_MIPS_linkage_name.
2795         (move_linkage_attr): Likewise.
2796         (dwarf2out_finish): Likewise.
2797
2798 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2799
2800         PR middle-end/41952
2801         * fold-const.c (fold_comparison): New folding rule.
2802
2803 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2804
2805         * double-int.h (double_int_setbit): Declare.
2806         * double-int.c (double_int_setbit): New function.
2807         * rtl.h (immed_double_int_const): Declare.
2808         * emit-rtl.c (immed_double_int_const): New function.
2809         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2810         and immed_double_int_const functions.
2811         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2812         expand_copysign_bit):  (Ditto.).
2813         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2814         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2815         * dojump.c (prefer_and_bit_test): (Ditto.).
2816         * expr.c (convert_modes, reduce_to_bit_field_precision,
2817         const_vector_from_tree): (Ditto.).
2818         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2819
2820 2010-04-20  Jan Hubicka  <jh@suse.cz>
2821
2822         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2823         (dump_cgraph_node): Dump new flags.
2824         * cgraph.h (struct cgraph_node): Add flags
2825         reachable_from_other_partition and in_other_partition.
2826         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2827         other partition can not be removed.
2828         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2829         the other partition must be output; silence sanity checking on
2830         leaking functions bodies from other paritition.
2831         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2832         (lto_output_node): Output new flags; do not sanity check that inline
2833         clones are output; drop lto_forced_extern_inline_p code; do not mock
2834         visibility flags at partition boundaries.
2835         (add_node_to): New function.
2836         (output_cgraph): Use it to sort functions so masters appear before
2837         clones.
2838         (input_overwrite_node): Input new flags.
2839         * passes.c (ipa_write_summaries): Do not call
2840         lto_new_extern_inline_states.
2841         * lto-section-out.c (forced_extern_inline,
2842         lto_new_extern_inline_states lto_delete_extern_inline_states,
2843         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2844         * lto-streamer.h (lto_new_extern_inline_states,
2845         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2846         lto_forced_extern_inline_p): Kill.
2847
2848 2010-04-20  Richard Guenther  <rguenther@suse.de>
2849
2850         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2851         from vars that can have pointers.
2852         (process_constraint): Dump useless constraints.
2853
2854 2010-04-20  Richard Guenther  <rguenther@suse.de>
2855
2856         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2857         (dump_sa_points_to_info): Remove asserts.
2858         (init_base_vars): nothing_id isn't an escape point nor does it
2859         have pointers.
2860
2861 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2862
2863         * tree.h (TYPE_REF_IS_RVALUE): Define.
2864         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2865         should_move_die_to_comdat, prune_unused_types_walk): Handle
2866         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2867         (modified_type_die, gen_reference_type_die): Emit
2868         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2869         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2870
2871 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2872
2873         PR target/43635
2874         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2875         calls for -fpic -m31 if they have been sibcall optimized.
2876
2877 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2878
2879         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2880         ar.lc fixed and call-used.
2881
2882         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2883
2884 2010-04-19  Jan Hubicka  <jh@suse.cz>
2885
2886         * opts.c (decode_options): Disable whpr incompatible passes.
2887         * lto/lto.c (lto_1_to_1_map): Skip clones.
2888         (read_cgraph_and_symbols): Do not mark everything as needed.
2889         (do_whole_program_analysis): Do map only after optimizing;
2890         set proper cgraph_state; use passmanager.
2891
2892 2010-04-19  DJ Delorie  <dj@redhat.com>
2893
2894         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2895         POINTER_PLUS_EXPR and fix them.
2896
2897 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2898
2899         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2900         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2901         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2902         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2903         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2904         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2905         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2906         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2907         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2908         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2909         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2910
2911 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2912
2913         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2914         (check_cond_move_block): Likewise.
2915         (cond_move_process_if_block): Likewise.
2916         (noce_find_if_block): Improve formatting.
2917         (find_if_header): Pass 0 to memset and tweak conditions.
2918         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2919
2920 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2921
2922         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2923         for -gdwarf-4.
2924
2925         PR middle-end/43337
2926         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2927         with non-local decl doesn't need chain.
2928
2929 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2930
2931         * ira-color.c (allocno_reload_assign): Avoid accumulating
2932         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2933
2934 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2935
2936         * gimple.h (create_tmp_reg): Declare.
2937         * gimplify.c (create_tmp_reg): New function.
2938         (gimplify_return_expr): Use create_tmp_reg.
2939         (gimplify_omp_atomic): Likewise.
2940         (gimple_regimplify_operands): Likewise.
2941         * tree-dfa.c (make_rename_temp): Likewise.
2942         * tree-predcom.c (predcom_tmp_var): Likewise.
2943         (reassociate_to_the_same_stmt): Likewise.
2944         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2945         (get_replaced_param_substitute): Likewise.
2946         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2947         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2948         * tree-ssa-pre.c (get_representative_for): Likewise.
2949         (create_expression_by_pieces): Likewise.
2950         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2951         (create_tailcall_accumulator): Likewise.
2952
2953 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2954
2955         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2956         new_stmt.
2957         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2958
2959 2010-04-19  Richard Guenther  <rguenther@suse.de>
2960
2961         PR tree-optimization/43796
2962         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2963         from SCEV in the lattice.
2964         (vrp_visit_phi_node): Dump change.
2965
2966 2010-04-19  Richard Guenther  <rguenther@suse.de>
2967
2968         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2969         * configure: Re-generated.
2970
2971 2010-04-19  Richard Guenther  <rguenther@suse.de>
2972
2973         PR tree-optimization/43783
2974         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2975         constant ARRAY_REF operands two and three if possible.
2976
2977 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2978
2979         PR target/43766
2980         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2981
2982 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2983
2984         PR target/43662
2985         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2986
2987 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2988
2989         PR tree-optimization/37027
2990         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2991         and macro to access it.
2992         (vectorizable_reduction): Add argument.
2993         (vect_get_slp_defs): Likewise.
2994         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2995         statements for possible use in SLP.
2996         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2997         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2998         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2999         add new argument.
3000         (vectorizable_reduction): Likewise.
3001         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3002         vect_get_slp_defs.
3003         (vectorizable_type_demotion, vectorizable_type_promotion,
3004         vectorizable_store): Likewise.
3005         (vect_analyze_stmt): Update call to vectorizable_reduction.
3006         (vect_transform_stmt): Likewise.
3007         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3008         (vect_build_slp_tree): Fix indentation. Check that there are no loads
3009         from different interleaving chains in same node.
3010         (vect_slp_rearrange_stmts): New function.
3011         (vect_supported_load_permutation_p): Allow load permutations for
3012         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3013         inside SLP nodes if necessary.
3014         (vect_analyze_slp_instance): Handle reductions.
3015         (vect_analyze_slp): Try to build SLP instances originating from groups
3016         of reductions.
3017         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3018         (vect_get_constant_vectors): Create initial vectors for reductions
3019         according to reduction code. Add new argument.
3020         (vect_get_slp_defs): Add new argument, pass it to
3021         vect_get_constant_vectors.
3022         (vect_schedule_slp_instance): Remove SLP tree root statements.
3023
3024 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
3025
3026         * tree.h (ENUM_IS_SCOPED): Define.
3027         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3028         for ENUM_IS_SCOPED enums.
3029
3030 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3031
3032         * fold-const.c (fold_comparison): Use ssizetype.
3033         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3034         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3035         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3036         * tree-object-size.c (compute_object_sizes): Use size_type_node.
3037
3038         * tree.h (initialize_sizetypes): Remove parameter.
3039         (build_common_tree_nodes): Remove second parameter.
3040         * stor-layout.c (initialize_sizetypes): Remove parameter.
3041         Always create an unsigned type.
3042         (set_sizetype): Assert that the passed type is unsigned and simplify.
3043         * tree.c (build_common_tree_nodes): Remove second parameter.
3044         Adjust call to initialize_sizetypes.
3045         * c-decl.c (c_init_decl_processing): Remove second argument in call to
3046         build_common_tree_nodes.
3047
3048 2010-04-18  Matthias Klose  <doko@ubuntu.com>
3049
3050         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3051
3052 2010-04-18  Ira Rosen  <irar@il.ibm.com>
3053
3054         PR tree-optimization/43771
3055         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3056         load permutation doesn't have gaps.
3057
3058 2010-04-18  Jan Hubicka  <jh@suse.cz>
3059
3060         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3061         (sse_prologue_save_insn expander): Use new pattern.
3062         (sse_prologue_save_insn1): New pattern and splitter.
3063         (sse_prologue_save_insn): Update to deal also with 64bit aligned
3064         blocks.
3065         * i386.c (setup_incoming_varargs_64): Do not compute jump
3066         destination here.
3067         (ix86_gimplify_va_arg): Update alignment needed.
3068         (ix86_local_alignment): Do not align all local arrays to 128bit.
3069
3070 2010-04-17  Jan Hubicka  <jh@suse.cz>
3071
3072         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3073
3074 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3075
3076         * arm.md (negdi2): Remove redundant code to force values into a
3077         register.
3078
3079 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3080
3081         * arm/bpabi.S: Add EABI alignment attributes to objects.
3082         * arm/bpabi-v6m.S: Likewise.
3083         * arm/crti.asm: Likewise.
3084         * arm/crtn.asm: Likewise.
3085         * arm/lib1funcs.asm: Likewise.
3086         * arm/libunwind.S: Likewise.
3087
3088 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
3089
3090         * arm-protos.h (tune_params): New structure.
3091         * arm.c (current_tune): New variable.
3092         (arm_constant_limit): Delete.
3093         (struct processors): Add pointer to the tune parameters.
3094         (arm_slowmul_tune): New tuning option.
3095         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3096         (all_cores): Adjust to pick up the tuning model.
3097         (arm_constant_limit): New function.
3098         (arm_override_options): Select the appropriate tuning model.  Delete
3099         initialization of arm_const_limit.
3100         (arm_split_constant): Use the new constant-limit model.
3101         (arm_rtx_costs): Pick up the current tuning model.
3102         * arm.md (is_strongarm, is_xscale): Delete.
3103         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3104         for Xscale variant architectures.
3105         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3106
3107 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3108
3109         * config/arm/arm.c (arm_gen_constant): Remove unused variable
3110         can_shift.
3111         (arm_rtx_costs_1): Remove unused variable extra_cost.
3112         (arm_unwind_emit_set): Use variable offset.
3113         (thumb1_output_casesi): Remove unused variable flags.
3114
3115 2010-04-16  Jeff Law  <law@redhat.com>
3116
3117         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3118         needing assignment rather than doing a two-phase assignment.  Remove
3119         unused variable 'm'.
3120
3121 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3122
3123         PR bootstrap/43767
3124         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3125
3126 2010-04-16  Doug Kwan  <dougkwan@google.com>
3127
3128         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3129         (next_operand_entry_id): New static variable.
3130         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3131         (add_to_ops_vec): Assigned unique ID to operand entry.
3132         (struct oecount_s): New field ID.
3133         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3134         (undistribute_ops_list): Assign unique IDs to oecounts.
3135         (init_reassoc): reset next_operand_entry_id.
3136
3137 2010-04-16  Doug Kwan  <dougkwan@google.com>
3138
3139         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3140         missing left parenthesis.
3141
3142 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
3143
3144         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3145         *btdi_rex64 using SWI48 mode iterator.
3146         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3147         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3148         *jcc_btdi_mask_rex64.
3149
3150 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
3151
3152         * double-int.h (tree_to_double_int): Convert to macro.
3153         * double-int.c (tree_to_double_int): Remove.
3154
3155 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3156
3157         PR debug/43762
3158         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3159         with want_address 2 and in case a single element list might be
3160         possible, call it again with want_address 0.
3161
3162 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3163
3164         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3165         case 'W' print operands for HI mode.
3166         * config/h8300/h8300.h (Y0, Y2) : New constraints.
3167         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3168         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3169         * config/h8300/predicate.md (bit_register_indirect_operand): New.
3170
3171         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3172
3173         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3174         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3175         #xx:3 and #xx:4 mode.
3176
3177         * config/h8300/h8300.md (inverted load with HImode dest): Add
3178         support for H8300SX.
3179
3180         * config/h8300/predicate.md (bit_operand): Allow immediate values that
3181         satisfy 'U' constraint.
3182
3183 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3184
3185         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3186         * configure: Regenerate.
3187         * config.in: Regenerate.
3188         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3189         works.
3190
3191 2010-04-16  Richard Guenther  <rguenther@suse.de>
3192
3193         * tree.h (struct tree_decl_minimal): Move pt_uid ...
3194         (struct tree_decl_common): ... here.
3195         (DECL_PT_UID): Adjust.
3196         (SET_DECL_PT_UID): Likewise.
3197         (DECL_PT_UID_SET_P): Likewise.
3198
3199 2010-04-16  Richard Guenther  <rguenther@suse.de>
3200
3201         PR tree-optimization/43572
3202         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3203         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3204         * tree-flow.h (is_call_clobbered): Remove.
3205         * tree-flow-inline.h (is_call_clobbered): Likewise.
3206         * tree-dfa.c (dump_variable): Do not dump call clobber state.
3207         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3208         (execute_return_slot_opt): Adjust.
3209         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3210         check for call clobbered vars here.
3211         (find_tail_calls): Move tailcall verification to the
3212         proper place.
3213
3214 2010-04-16  Diego Novillo  <dnovillo@google.com>
3215
3216         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3217
3218 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3219
3220         PR target/40603
3221         * config/arm/arm.md (cbranchqi4): New pattern.
3222         * config/arm/predicates.md (const0_operand,
3223         cbranchqi4_comparison_operator): New predicates.
3224
3225 2010-04-16  Richard Guenther  <rguenther@suse.de>
3226
3227         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3228         (dump_gimple_stmt): Likewise.
3229
3230 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3231
3232         * recog.h (struct recog_data): New field is_operator.
3233         (struct insn_operand_data): New field is_operator.
3234         * recog.c (extract_insn): Set recog_data.is_operator.
3235         * genoutput.c (output_operand_data): Emit code to set the
3236         is_operator field.
3237         * reload.c (find_reloads): Use it rather than testing for an
3238         empty constraint string.
3239
3240         PR target/41514
3241         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3242         If the previous insn is a cbranchsi4_insn with the same arguments,
3243         omit the compare instruction.
3244
3245         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3246         register, inputs must be low registers and we need a low register
3247         scratch.  Handle alternative 2 like alternative 3.
3248
3249 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3250
3251         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3252         don't call get_addr on both.  If one expression is a VALUE and
3253         the other a REG, check VALUE's locs if the REG isn't among them.
3254
3255 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3256
3257         * config/sh/sh.h (sh_frame_pointer_required): New function.
3258         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3259         (flag_omit_frame_pointer) Set.
3260         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3261         (rounded_frame_size): Adjust size with outgoing_args_size.
3262         (sh_set_return_address): Must return from stack pointer.
3263         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3264         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3265         (ACCUMULATE_OUTGOING_ARGS): Define.
3266         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3267         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3268
3269 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3270
3271         PR target/43471
3272         * config/sh/sh.c (sh_legitimize_reload_address): Use
3273         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3274         Remove a unneeded check for offset_base.
3275
3276 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3277
3278         * configure: Regenerated.
3279
3280 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3281
3282         * config/s390/s390.c (s390_call_save_register_used): Switch back
3283         to HARD_REGNO_NREGS.
3284
3285 2010-04-15  Richard Guenther  <rguenther@suse.de>
3286
3287         * alias.c (alias_set_subset_of): Handle alias-set zero
3288         child properly.
3289
3290 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3291             Julian Brown  <julian@codesourcery.com>
3292
3293         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3294         alternatives according to use of high and low regs.
3295         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3296         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3297         optimizing for size on Thumb-2.
3298
3299 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3300
3301         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3302
3303 2010-04-15  Richard Guenther  <rguenther@suse.de>
3304
3305         * tree-ssa-structalias.c (struct variable_info): Add
3306         is_fn_info flag.
3307         (new_var_info): Initialize it.
3308         (dump_constraints): Support printing last added constraints.
3309         (debug_constraints): Adjust.
3310         (dump_constraint_graph): Likewise.
3311         (make_heapvar_for): Check for NULL cfun.
3312         (get_function_part_constraint): New function.
3313         (get_fi_for_callee): Likewise.
3314         (find_func_aliases): Properly implement IPA PTA constraints.
3315         (process_ipa_clobber): New function.
3316         (find_func_clobbers): Likewise.
3317         (insert_into_field_list_sorted): Remove.
3318         (create_function_info_for): Properly allocate vars for IPA mode.
3319         Do not use insert_into_field_list_sorted.
3320         (create_variable_info_for): Properly generate constraints for
3321         global vars in IPA mode.
3322         (dump_solution_for_var): Always dump the solution.
3323         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3324         (find_what_var_points_to): Adjust.
3325         (pt_solution_set): Change.
3326         (pt_solution_ior_into): New function.
3327         (pt_solution_empty_p): Export.
3328         (pt_solution_includes_global): Adjust.
3329         (pt_solution_includes_1): Likewise.
3330         (pt_solutions_intersect_1): Likewise.
3331         (dump_sa_points_to_info): Check some invariants.
3332         (solve_constraints): Move constraint dumping ...
3333         (compute_points_to_sets): ... here.
3334         (ipa_pta_execute): ... and here.
3335         (compute_may_aliases): Do not re-compute points-to info
3336         locally if IPA info is available.
3337         (ipa_escaped_pt): New global var.
3338         (ipa_pta_execute): Properly implement IPA PTA.
3339         * tree-into-ssa.c (dump_decl_set): Support dumping
3340         decls not in referenced-vars.
3341         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3342         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3343         (dump_points_to_solution): Likewise.
3344         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3345         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3346         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3347         (copy_decl_to_var): Copy DECL_PT_UID.
3348         (copy_result_decl_to_var): Likewise.
3349         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3350         (copy_node_stat): Copy it.
3351         * tree.h (DECL_PT_UID): New macro.
3352         (SET_DECL_PT_UID): Likewise.
3353         (DECL_PT_UID_SET_P): Likewise.
3354         (struct tree_decl_minimal): Add pt_uid member.
3355         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3356         (pt_solution_empty_p): Declare.
3357         (pt_solution_set): Adjust.
3358         (ipa_escaped_pt): Declare.
3359         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3360         * gimple-pretty-print.c (pp_points_to_solution): New function.
3361         (dump_gimple_call): Dump call clobber/use information.
3362         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3363         * tree-pass.h (TDF_ALIAS): New dump option.
3364         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3365         * doc/invoke.texi (-fipa-pta): Update documentation.
3366
3367 2010-04-15  Richard Guenther  <rguenther@suse.de>
3368
3369         * Makefile.in (OBJS-common): Add gimple-fold.o.
3370         (gimple-fold.o): New rule.
3371         * tree.h (maybe_fold_offset_to_reference,
3372         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3373         prototypes ...
3374         * gimple.h: ... here.
3375         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3376         may_propagate_address_into_dereference): Move prototypes ...
3377         * gimple.h: ... here.
3378         * tree-ssa-ccp.c (get_symbol_constant_value,
3379         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3380         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3381         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3382         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3383         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3384         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3385         gimplify_and_update_call_from_tree): Move ...
3386         * gimple-fold.c: ... here.  New file.
3387         (ccp_fold_builtin): Rename to ...
3388         (gimple_fold_builtin): ... this.
3389         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3390
3391 2010-04-15  Richard Guenther  <rguenther@suse.de>
3392
3393         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3394         fit_double_type, force_fit_type_double, add_double_with_sign,
3395         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3396         lrotate_double, rrotate_double, div_and_round_double): Move ...
3397         * double-int.c: ... here.
3398         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3399         add_double, neg_double, mul_double_with_sign, mul_double,
3400         lshift_double, rshift_double, lrotate_double, rrotate_double,
3401         div_and_round_double): Move prototypes ...
3402         * double-int.h: ... here.
3403
3404 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3405
3406         PR target/43742
3407         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3408         matching constraints to ensure inputs match the output.
3409
3410 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3411
3412         PR target/43742
3413         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3414         in an input-only operand.
3415
3416 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3417
3418         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3419         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3420         (double_int_negative_p): Convert to static inline function.
3421         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3422         (double_int_negative_p): Remove.
3423         * tree.h (lshift_double, rshift_double):
3424         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3425         * fold-const.c (fold_convert_const_int_from_real,
3426         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3427         (lshift_double): Change type of arith argument to bool.
3428         (rshift_double): Change type of arith argument to bool. Correct
3429         comment.
3430         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3431
3432 2010-04-14  Bernd Schmidt  <bernds@