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PR debug/40040
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1 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2
3         PR debug/40040
4         * dwarf2out.c (add_name_and_src_coords_attributes): Add
5         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
6
7 2010-04-21  Jan Hubicka  <jh@suse.cz>
8
9         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
10
11 2010-04-21  Jan Hubicka  <jh@suse.cz>
12
13         * varpool.c (decide_is_variable_needed): Variable is always needed
14         during ltrans.
15
16 2010-04-21  Jan Hubicka  <jh@suse.cz>
17
18         * opts.c (decode_options): Enable pure-const pass for whopr.
19
20 2010-04-21  Jan Hubicka  <jh@suse.cz>
21
22         * cgraph.c (dump_cgraph_node): Dump also assembler name.
23         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
24         at WPA dumping.
25         (cgraph_decide_inlining): Do not expect callee to be removed in all
26         cases.
27
28 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
29
30         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
31
32 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
33
34         * config/i386/i386.md (x86_shrd): Add athlon_decode and
35         amdfam10_decode attributes.
36
37 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
38
39         PR middle-end/43570
40         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
41         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
42         (lower_copyprivate_clauses): Use private var in outer
43         context instead of original var.  Make sure the types
44         are correct for VLAs.
45
46 2010-04-21  Richard Guenther  <rguenther@suse.de>
47
48         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
49         to non-pointer objects.
50
51 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
52
53         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
54         last chain entry if it starts with the still current label.
55         (add_location_or_const_value_attribute): Check that
56         loc_list->first->next is NULL instead of comparing ->first with
57         ->last.
58         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
59         to add_var_loc_to_decl.
60
61         * dwarf2out.c (output_call_frame_info): For dw_cie_version
62         >= 4 add also address size and segment size fields into CIE
63         header.
64
65         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
66         long as address size is the same as sizeof (void *) and
67         segment size is 0.
68         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
69         address size or segment size is unexpected, return DW_EH_PE_omit.
70         (classify_object_over_fdes): If get_cie_encoding returned
71         DW_EH_PE_omit, return -1.
72         (init_object): If classify_object_over_fdes returned -1,
73         pretend there were no FDEs at all.
74
75 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
76
77         * config/i386/i386.md (bswap<mode>2): Macroize expander from
78         bswap{si,di}2 using SWI48 mode iterator.
79         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
80         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
81         set modrm attribute of bswap insn to 0 and remove length attribute.
82         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
83         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
84         set mode attribute to <MODE> and remove length attribute.
85
86 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
87
88         PR rtl-optimization/43520
89         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
90         zero available registers.
91
92 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
93
94         * builtins.c (fold_builtin_cproj): Fold more cases.
95
96 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
97
98         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
99         (fold_builtin_1): Fold builtin cproj.
100         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
101         Use ATTR_CONST_NOTHROW_LIST.
102
103 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
104
105         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
106         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
107         ffsi2_no_cmove for !TARGET_CMOVE.
108         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
109         (ffssi2): Remove expander.
110         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
111         mode iterator.
112         (ctz<mode>2): Ditto from ctz{si,di}2.
113         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
114         mode iterator.
115         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
116         mode iterator.
117
118 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
119
120         * dwarf2out.c (AT_linkage_name): Define.
121         (clone_as_declaration): Handle DW_AT_linkage_name.
122         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
123         of DW_AT_MIPS_linkage_name.
124         (move_linkage_attr): Likewise.
125         (dwarf2out_finish): Likewise.
126
127 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
128
129         PR middle-end/41952
130         * fold-const.c (fold_comparison): New folding rule.
131
132 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
133
134         * double-int.h (double_int_setbit): Declare.
135         * double-int.c (double_int_setbit): New function.
136         * rtl.h (immed_double_int_const): Declare.
137         * emit-rtl.c (immed_double_int_const): New function.
138         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
139         and immed_double_int_const functions.
140         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
141         expand_copysign_bit):  (Ditto.).
142         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
143         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
144         * dojump.c (prefer_and_bit_test): (Ditto.).
145         * expr.c (convert_modes, reduce_to_bit_field_precision,
146         const_vector_from_tree): (Ditto.).
147         * expmed.c (mask_rtx, lshift_value): (Ditto.).
148
149 2010-04-20  Jan Hubicka  <jh@suse.cz>
150
151         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
152         (dump_cgraph_node): Dump new flags.
153         * cgraph.h (struct cgraph_node): Add flags
154         reachable_from_other_partition and in_other_partition.
155         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
156         other partition can not be removed.
157         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
158         the other partition must be output; silence sanity checking on
159         leaking functions bodies from other paritition.
160         * lto-cgraph.c (reachable_from_other_partition_p): New function.
161         (lto_output_node): Output new flags; do not sanity check that inline
162         clones are output; drop lto_forced_extern_inline_p code; do not mock
163         visibility flags at partition boundaries.
164         (add_node_to): New function.
165         (output_cgraph): Use it to sort functions so masters appear before
166         clones.
167         (input_overwrite_node): Input new flags.
168         * passes.c (ipa_write_summaries): Do not call
169         lto_new_extern_inline_states.
170         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
171         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
172         lto_forced_extern_inline_p): Kill.
173         * lto-streamer.h (lto_new_extern_inline_states,
174         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
175         lto_forced_extern_inline_p): Kill.
176
177 2010-04-20  Richard Guenther  <rguenther@suse.de>
178
179         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
180         from vars that can have pointers.
181         (process_constraint): Dump useless constraints.
182
183 2010-04-20  Richard Guenther  <rguenther@suse.de>
184
185         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
186         (dump_sa_points_to_info): Remove asserts.
187         (init_base_vars): nothing_id isn't an escape point nor does it
188         have pointers.
189
190 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
191
192         * tree.h (TYPE_REF_IS_RVALUE): Define.
193         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
194         should_move_die_to_comdat, prune_unused_types_walk): Handle
195         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
196         (modified_type_die, gen_reference_type_die): Emit
197         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
198         if TYPE_REF_IS_RVALUE and -gdwarf-4.
199
200 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
201
202         PR target/43635
203         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
204         calls for -fpic -m31 if they have been sibcall optimized.
205
206 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
207
208         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
209         ar.lc fixed and call-used.
210
211         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
212
213 2010-04-19  Jan Hubicka  <jh@suse.cz>
214
215         * opts.c (decode_options): Disable whpr incompatible passes.
216         * lto/lto.c (lto_1_to_1_map): Skip clones.
217         (read_cgraph_and_symbols): Do not mark everything as needed.
218         (do_whole_program_analysis): Do map only after optimizing;
219         set proper cgraph_state; use passmanager.
220
221 2010-04-19  DJ Delorie  <dj@redhat.com>
222
223         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
224         POINTER_PLUS_EXPR and fix them.
225
226 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
227
228         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
229         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
230         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
231         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
232         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
233         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
234         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
235         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
236         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
237         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
238         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
239
240 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
241
242         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
243         (check_cond_move_block): Likewise.
244         (cond_move_process_if_block): Likewise.
245         (noce_find_if_block): Improve formatting.
246         (find_if_header): Pass 0 to memset and tweak conditions.
247         (cond_exec_find_if_block): Fix long lines and tweak conditions.
248
249 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
250
251         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
252         for -gdwarf-4.
253
254         PR middle-end/43337
255         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
256         with non-local decl doesn't need chain.
257
258 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
259
260         * ira-color.c (allocno_reload_assign): Avoid accumulating
261         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
262
263 2010-04-19  Martin Jambor  <mjambor@suse.cz>
264
265         * gimple.h (create_tmp_reg): Declare.
266         * gimplify.c (create_tmp_reg): New function.
267         (gimplify_return_expr): Use create_tmp_reg.
268         (gimplify_omp_atomic): Likewise.
269         (gimple_regimplify_operands): Likewise.
270         * tree-dfa.c (make_rename_temp): Likewise.
271         * tree-predcom.c (predcom_tmp_var): Likewise.
272         (reassociate_to_the_same_stmt): Likewise.
273         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
274         (get_replaced_param_substitute): Likewise.
275         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
276         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
277         * tree-ssa-pre.c (get_representative_for): Likewise.
278         (create_expression_by_pieces): Likewise.
279         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
280         (create_tailcall_accumulator): Likewise.
281
282 2010-04-19  Martin Jambor  <mjambor@suse.cz>
283
284         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
285         new_stmt.
286         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
287
288 2010-04-19  Richard Guenther  <rguenther@suse.de>
289
290         PR tree-optimization/43796
291         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
292         from SCEV in the lattice.
293         (vrp_visit_phi_node): Dump change.
294
295 2010-04-19  Richard Guenther  <rguenther@suse.de>
296
297         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
298         * configure: Re-generated.
299
300 2010-04-19  Richard Guenther  <rguenther@suse.de>
301
302         PR tree-optimization/43783
303         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
304         constant ARRAY_REF operands two and three if possible.
305
306 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
307
308         PR target/43766
309         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
310
311 2010-04-19  Jie Zhang  <jie@codesourcery.com>
312
313         PR target/43662
314         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
315
316 2010-04-19 Ira Rosen <irar@il.ibm.com>
317
318         PR tree-optimization/37027
319         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
320         and macro to access it.
321         (vectorizable_reduction): Add argument.
322         (vect_get_slp_defs): Likewise.
323         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
324         statements for possible use in SLP.
325         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
326         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
327         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
328         add new argument.
329         (vectorizable_reduction): Likewise.
330         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
331         vect_get_slp_defs.
332         (vectorizable_type_demotion, vectorizable_type_promotion,
333         vectorizable_store): Likewise.
334         (vect_analyze_stmt): Update call to vectorizable_reduction.
335         (vect_transform_stmt): Likewise.
336         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
337         (vect_build_slp_tree): Fix indentation. Check that there are no loads
338         from different interleaving chains in same node.
339         (vect_slp_rearrange_stmts): New function.
340         (vect_supported_load_permutation_p): Allow load permutations for
341         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
342         inside SLP nodes if necessary.
343         (vect_analyze_slp_instance): Handle reductions.
344         (vect_analyze_slp): Try to build SLP instances originating from groups
345         of reductions.
346         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
347         (vect_get_constant_vectors): Create initial vectors for reductions
348         according to reduction code. Add new argument.
349         (vect_get_slp_defs): Add new argument, pass it to
350         vect_get_constant_vectors.
351         (vect_schedule_slp_instance): Remove SLP tree root statements.
352
353 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
354
355         * tree.h (ENUM_IS_SCOPED): Define.
356         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
357         for ENUM_IS_SCOPED enums.
358
359 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
360
361         * fold-const.c (fold_comparison): Use ssizetype.
362         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
363         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
364         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
365         * tree-object-size.c (compute_object_sizes): Use size_type_node.
366
367         * tree.h (initialize_sizetypes): Remove parameter.
368         (build_common_tree_nodes): Remove second parameter.
369         * stor-layout.c (initialize_sizetypes): Remove parameter.
370         Always create an unsigned type.
371         (set_sizetype): Assert that the passed type is unsigned and simplify.
372         * tree.c (build_common_tree_nodes): Remove second parameter.
373         Adjust call to initialize_sizetypes.
374         * c-decl.c (c_init_decl_processing): Remove second argument in call to
375         build_common_tree_nodes.
376
377 2010-04-18  Matthias Klose  <doko@ubuntu.com>
378
379         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
380
381 2010-04-18 Ira Rosen <irar@il.ibm.com>
382
383         PR tree-optimization/43771
384         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
385         load permutation doesn't have gaps.
386
387 2010-04-18  Jan Hubicka  <jh@suse.cz>
388
389         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
390         (sse_prologue_save_insn expander): Use new pattern.
391         (sse_prologue_save_insn1): New pattern and splitter.
392         (sse_prologue_save_insn): Update to deal also with 64bit aligned
393         blocks.
394         * i386.c (setup_incoming_varargs_64): Do not compute jump
395         destination here.
396         (ix86_gimplify_va_arg): Update alignment needed.
397         (ix86_local_alignment): Do not align all local arrays to 128bit.
398
399 2010-04-17  Jan Hubicka  <jh@suse.cz>
400
401         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
402
403 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
404
405         * arm.md (negdi2): Remove redundant code to force values into a
406         register.
407
408 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
409
410         * arm/bpabi.S: Add EABI alignment attributes to objects.
411         * arm/bpabi-v6m.S: Likewise.
412         * arm/crti.asm: Likewise.
413         * arm/crtn.asm: Likewise.
414         * arm/lib1funcs.asm: Likewise.
415         * arm/libunwind.S: Likewise.
416
417 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
418
419         * arm-protos.h (tune_params): New structure.
420         * arm.c (current_tune): New variable.
421         (arm_constant_limit): Delete.
422         (struct processors): Add pointer to the tune parameters.
423         (arm_slowmul_tune): New tuning option.
424         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
425         (all_cores): Adjust to pick up the tuning model.
426         (arm_constant_limit): New function.
427         (arm_override_options): Select the appropriate tuning model.  Delete
428         initialization of arm_const_limit.
429         (arm_split_constant): Use the new constant-limit model.
430         (arm_rtx_costs): Pick up the current tuning model.
431         * arm.md (is_strongarm, is_xscale): Delete.
432         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
433         for Xscale variant architectures.
434         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
435
436 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
437
438         * config/arm/arm.c (arm_gen_constant): Remove unused variable
439         can_shift.
440         (arm_rtx_costs_1): Remove unused variable extra_cost.
441         (arm_unwind_emit_set): Use variable offset.
442         (thumb1_output_casesi): Remove unused variable flags.
443
444 2010-04-16  Jeff Law  <law@redhat.com>
445
446         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
447         needing assignment rather than doing a two-phase assignment.  Remove
448         unused variable 'm'.
449
450 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
451
452         PR bootstrap/43767
453         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
454
455 2010-04-16  Doug Kwan  <dougkwan@google.com>
456
457         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
458         (next_operand_entry_id): New static variable.
459         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
460         (add_to_ops_vec): Assigned unique ID to operand entry.
461         (struct oecount_s): New field ID.
462         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
463         (undistribute_ops_list): Assign unique IDs to oecounts.
464         (init_reassoc): reset next_operand_entry_id.
465
466 2010-04-16  Doug Kwan  <dougkwan@google.com>
467
468         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
469         missing left parenthesis.
470
471 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
472
473         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
474         *btdi_rex64 using SWI48 mode iterator.
475         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
476         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
477         *jcc_btdi_mask_rex64.
478
479 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
480
481         * double-int.h (tree_to_double_int): Convert to macro.
482         * double-int.c (tree_to_double_int): Remove.
483
484 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
485
486         PR debug/43762
487         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
488         with want_address 2 and in case a single element list might be
489         possible, call it again with want_address 0.
490
491 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
492
493         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
494         case 'W' print operands for HI mode.
495         * config/h8300/h8300.h (Y0, Y2) : New constraints.
496         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
497         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
498         * config/h8300/predicate.md (bit_register_indirect_operand): New.
499
500         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
501
502         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
503         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
504         #xx:3 and #xx:4 mode.
505
506         * config/h8300/h8300.md (inverted load with HImode dest): Add
507         support for H8300SX.
508
509         * config/h8300/predicate.md (bit_operand): Allow immediate values that
510         satisfy 'U' constraint.
511
512 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
513
514         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
515         * configure: Regenerate.
516         * config.in: Regenerate.
517         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
518         works.
519
520 2010-04-16  Richard Guenther  <rguenther@suse.de>
521
522         * tree.h (struct tree_decl_minimal): Move pt_uid ...
523         (struct tree_decl_common): ... here.
524         (DECL_PT_UID): Adjust.
525         (SET_DECL_PT_UID): Likewise.
526         (DECL_PT_UID_SET_P): Likewise.
527
528 2010-04-16  Richard Guenther  <rguenther@suse.de>
529
530         PR tree-optimization/43572
531         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
532         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
533         * tree-flow.h (is_call_clobbered): Remove.
534         * tree-flow-inline.h (is_call_clobbered): Likewise.
535         * tree-dfa.c (dump_variable): Do not dump call clobber state.
536         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
537         (execute_return_slot_opt): Adjust.
538         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
539         check for call clobbered vars here.
540         (find_tail_calls): Move tailcall verification to the
541         proper place.
542
543 2010-04-16  Diego Novillo  <dnovillo@google.com>
544
545         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
546
547 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
548
549         PR target/40603
550         * config/arm/arm.md (cbranchqi4): New pattern.
551         * config/arm/predicates.md (const0_operand,
552         cbranchqi4_comparison_operator): New predicates.
553
554 2010-04-16  Richard Guenther  <rguenther@suse.de>
555
556         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
557         (dump_gimple_stmt): Likewise.
558
559 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
560
561         * recog.h (struct recog_data): New field is_operator.
562         (struct insn_operand_data): New field is_operator.
563         * recog.c (extract_insn): Set recog_data.is_operator.
564         * genoutput.c (output_operand_data): Emit code to set the
565         is_operator field.
566         * reload.c (find_reloads): Use it rather than testing for an
567         empty constraint string.
568
569         PR target/41514
570         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
571         If the previous insn is a cbranchsi4_insn with the same arguments,
572         omit the compare instruction.
573
574         * config/arm/arm.md (addsi3_cbranch): If destination is a high
575         register, inputs must be low registers and we need a low register
576         scratch.  Handle alternative 2 like alternative 3.
577
578 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
579
580         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
581         don't call get_addr on both.  If one expression is a VALUE and
582         the other a REG, check VALUE's locs if the REG isn't among them.
583
584 2010-04-16  Christian Bruel  <christian.bruel@st.com>
585
586         * config/sh/sh.h (sh_frame_pointer_required): New function.
587         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
588         (flag_omit_frame_pointer) Set.
589         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
590         (rounded_frame_size): Adjust size with outgoing_args_size.
591         (sh_set_return_address): Must return from stack pointer.
592         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
593         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
594         (ACCUMULATE_OUTGOING_ARGS): Define.
595         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
596         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
597
598 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
599
600         PR target/43471
601         * config/sh/sh.c (sh_legitimize_reload_address): Use
602         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
603         Remove a unneeded check for offset_base.
604
605 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
606
607         * configure: Regenerated.
608
609 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
610
611         * config/s390/s390.c (s390_call_save_register_used): Switch back
612         to HARD_REGNO_NREGS.
613
614 2010-04-15  Richard Guenther  <rguenther@suse.de>
615
616         * alias.c (alias_set_subset_of): Handle alias-set zero
617         child properly.
618
619 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
620             Julian Brown  <julian@codesourcery.com>
621
622         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
623         alternatives according to use of high and low regs.
624         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
625         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
626         optimizing for size on Thumb-2.
627
628 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
629
630         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
631
632 2010-04-15  Richard Guenther  <rguenther@suse.de>
633
634         * tree-ssa-structalias.c (struct variable_info): Add
635         is_fn_info flag.
636         (new_var_info): Initialize it.
637         (dump_constraints): Support printing last added constraints.
638         (debug_constraints): Adjust.
639         (dump_constraint_graph): Likewise.
640         (make_heapvar_for): Check for NULL cfun.
641         (get_function_part_constraint): New function.
642         (get_fi_for_callee): Likewise.
643         (find_func_aliases): Properly implement IPA PTA constraints.
644         (process_ipa_clobber): New function.
645         (find_func_clobbers): Likewise.
646         (insert_into_field_list_sorted): Remove.
647         (create_function_info_for): Properly allocate vars for IPA mode.
648         Do not use insert_into_field_list_sorted.
649         (create_variable_info_for): Properly generate constraints for
650         global vars in IPA mode.
651         (dump_solution_for_var): Always dump the solution.
652         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
653         (find_what_var_points_to): Adjust.
654         (pt_solution_set): Change.
655         (pt_solution_ior_into): New function.
656         (pt_solution_empty_p): Export.
657         (pt_solution_includes_global): Adjust.
658         (pt_solution_includes_1): Likewise.
659         (pt_solutions_intersect_1): Likewise.
660         (dump_sa_points_to_info): Check some invariants.
661         (solve_constraints): Move constraint dumping ...
662         (compute_points_to_sets): ... here.
663         (ipa_pta_execute): ... and here.
664         (compute_may_aliases): Do not re-compute points-to info
665         locally if IPA info is available.
666         (ipa_escaped_pt): New global var.
667         (ipa_pta_execute): Properly implement IPA PTA.
668         * tree-into-ssa.c (dump_decl_set): Support dumping
669         decls not in referenced-vars.
670         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
671         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
672         (dump_points_to_solution): Likewise.
673         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
674         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
675         (remap_gimple_stmt): Reset call clobber/use information if necessary.
676         (copy_decl_to_var): Copy DECL_PT_UID.
677         (copy_result_decl_to_var): Likewise.
678         * tree.c (make_node_stat): Initialize DECL_PT_UID.
679         (copy_node_stat): Copy it.
680         * tree.h (DECL_PT_UID): New macro.
681         (SET_DECL_PT_UID): Likewise.
682         (DECL_PT_UID_SET_P): Likewise.
683         (struct tree_decl_minimal): Add pt_uid member.
684         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
685         (pt_solution_empty_p): Declare.
686         (pt_solution_set): Adjust.
687         (ipa_escaped_pt): Declare.
688         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
689         * gimple-pretty-print.c (pp_points_to_solution): New function.
690         (dump_gimple_call): Dump call clobber/use information.
691         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
692         * tree-pass.h (TDF_ALIAS): New dump option.
693         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
694         * doc/invoke.texi (-fipa-pta): Update documentation.
695
696 2010-04-15  Richard Guenther  <rguenther@suse.de>
697
698         * Makefile.in (OBJS-common): Add gimple-fold.o.
699         (gimple-fold.o): New rule.
700         * tree.h (maybe_fold_offset_to_reference,
701         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
702         prototypes ...
703         * gimple.h: ... here.
704         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
705         may_propagate_address_into_dereference): Move prototypes ...
706         * gimple.h: ... here.
707         * tree-ssa-ccp.c (get_symbol_constant_value,
708         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
709         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
710         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
711         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
712         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
713         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
714         gimplify_and_update_call_from_tree): Move ...
715         * gimple-fold.c: ... here.  New file.
716         (ccp_fold_builtin): Rename to ...
717         (gimple_fold_builtin): ... this.
718         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
719
720 2010-04-15  Richard Guenther  <rguenther@suse.de>
721
722         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
723         fit_double_type, force_fit_type_double, add_double_with_sign,
724         neg_double, mul_double_with_sign, lshift_double, rshift_double,
725         lrotate_double, rrotate_double, div_and_round_double): Move ...
726         * double-int.c: ... here.
727         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
728         add_double, neg_double, mul_double_with_sign, mul_double,
729         lshift_double, rshift_double, lrotate_double, rrotate_double,
730         div_and_round_double): Move prototypes ...
731         * double-int.h: ... here.
732
733 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
734
735         PR target/43742
736         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
737         matching constraints to ensure inputs match the output.
738
739 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
740
741         PR target/43742
742         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
743         in an input-only operand.
744
745 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
746
747         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
748         (double_int_not, double_int_lshift, double_int_rshift): Declare.
749         (double_int_negative_p): Convert to static inline function.
750         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
751         (double_int_negative_p): Remove.
752         * tree.h (lshift_double, rshift_double):
753         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
754         * fold-const.c (fold_convert_const_int_from_real,
755         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
756         (lshift_double): Change type of arith argument to bool.
757         (rshift_double): Change type of arith argument to bool. Correct
758         comment.
759         * expmed.c (mask_rtx, lshift_value): (Ditto.).
760
761 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
762
763         PR target/21803
764         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
765         at the start and end of the then/else blocks, and omit them from the
766         conversion.
767         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
768         argument; all callers changed.  Pass zero to old_insns_match_p instead.
769         (flow_find_head_matching_sequence): New function.
770         (old_insns_match_p): Check REG_EH_REGION notes for calls.
771         * basic-block.h (flow_find_cross_jump,
772         flow_find_head_matching_sequence): Declare functions.
773
774 2010-04-14  Jason Merrill  <jason@redhat.com>
775
776         PR c++/36625
777         * c-common.c (attribute_takes_identifier_p): New fn.
778         * c-common.h: Declare it.
779
780 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
781
782         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
783         splitter condition.
784         (*udivmod<mode>4): Ditto.
785
786 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
787
788         * config/i386/i386.md (maxmin_int): Rename code attribute from
789         maxminiprefix and update all users.
790         (maxmin_float): Ditto from maxminfprefix.
791         (logic): Ditto from logicprefix.
792         (absneg_mnemonic): Ditto from absnegprefix.
793         * config/i386/mmx.md: Update all users of maxminiprefix,
794         maxminfprefix and logicprefix for rename.
795         * config/i386/sse.md: Ditto.
796         * config/i386/sync.md (sync_<code><mode>): Update for
797         logicprefix rename.
798
799 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
800
801         PR 42966
802         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
803         warnings converted to errors.
804
805 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
806
807         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
808         used insn_type variable.
809         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
810         to avoid set-but-not-used warning.
811
812 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
813
814         * df-core.c (df_ref_debug): Change format string placeholder
815         from 0x%x to %#x.
816         * dwarf2asm.c (dw2_asm_output_data_raw,
817         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
818         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
819         * dwarf2out.c (output_cfi, output_cfi_directive,
820         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
821         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
822         Ditto.
823         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
824         * print-rtl.c (print_rtx): Ditto.
825
826 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
827
828         PR middle-end/42694
829         * builtins.c (expand_builtin_pow_root): New function to expand pow
830         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
831         series of sqrt and cbrt calls under -ffast-math.
832         (expand_builtin_pow): Call it.
833
834 2010-04-14  Michael Matz  <matz@suse.de>
835
836         PR tree-optimization/42963
837         * tree-cfg.c (touched_switch_bbs): New static variable.
838         (group_case_labels_stmt): New function broken out from ...
839         (group_case_labels): ... here, use the above.
840         (start_recording_case_labels): Allocate touched_switch_bbs.
841         (end_recording_case_labels): Deallocate it, call
842         group_case_labels_stmt.
843         (gimple_redirect_edge_and_branch): Remember index of affected BB.
844
845 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
846
847         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
848         from insn template.
849
850 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
851
852         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
853
854 2010-04-13  Jan Hubicka  <jh@suse.cz>
855
856         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
857         of optimized out static functions.
858         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
859         cost computation.  Also sanity check for overflows.
860         (update_caller_keys): Update cgraph_edge_badness call; properly
861         update fibheap and sanity check that it is up to date.
862         (add_new_edges_to_heap): Update cgraph_edge_badness.
863         (cgraph_decide_inlining_of_small_function): Likewise;
864         add sanity checking that badness in heap is up to date;
865         improve dumping of reason; Update badness of calls to the
866         offline copy of function currently inlined; dump badness
867         of functions not inlined because of unit growth limits.
868
869 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
870
871         PR middle-end/32628
872         * c-common.c (pointer_int_sum): Disregard overflow that occured only
873         because of sign-extension change when converting to sizetype here...
874         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
875
876         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
877         the folding to constants.  Remove redundant final conversion.
878         (fold_binary) <associate>: Do not associate if the re-association of
879         constants alone overflows.
880         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
881         to the end of the list.
882         (multiple_of_p) <COND_EXPR>: New case.
883
884 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
885
886         * opt-functions.awk (opt_sanitized_name): New.
887         (opt_enum): New.
888         * optc-gen.awk: Use it
889         * opth-gen.awk: Use it.
890
891 2010-04-13  Martin Jambor  <mjambor@suse.cz>
892
893         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
894         (sra_modify_assign): Delete stmts loading dead data even if racc has no
895         children.  Call replace_uses_with_default_def_ssa_name to handle
896         SSA_NAES on lhs.
897
898 2010-04-13  Michael Matz  <matz@suse.de>
899
900         PR middle-end/43730
901         * builtins.c (expand_builtin_interclass_mathfn): Also create
902         a register if the predicate doesn't match.
903
904 2010-04-13  Diego Novillo  <dnovillo@google.com>
905
906         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
907         * c-pch.c: Include timevar.h.
908         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
909         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
910         * ggc-common.c: Include timevar.h.
911         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
912         * timevar.def (TV_PCH_SAVE): Define.
913         (TV_PCH_CPP_SAVE): Define.
914         (TV_PCH_PTR_REALLOC): Define.
915         (TV_PCH_PTR_SORT): Define.
916         (TV_PCH_RESTORE): Define.
917         (TV_PCH_CPP_RESTORE): Define.
918
919 2010-04-13  Michael Matz  <matz@suse.de>
920
921         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
922         into MINUS_EXPRs.
923         (can_reassociate_p): New function.
924         (break_up_subtract_bb, reassociate_bb): Use it.
925
926 2010-04-13  Richard Guenther  <rguenther@suse.de>
927
928         PR bootstrap/43737
929         * builtins.c (c_readstr): Fix assert.
930
931 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
932
933         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
934         when generating cltd insn.
935
936         (*ashl<mode>3_1): Remove special handling for register operand 2.
937         (*ashlsi3_1_zext): Ditto.
938         (*ashlhi3_1): Ditto.
939         (*ashlhi3_1_lea): Ditto.
940         (*ashlqi3_1): Ditto.
941         (*ashlqi3_1_lea): Ditto.
942         (*<shiftrt_insn><mode>3_1): Ditto.
943         (*<shiftrt_insn>si3_1_zext): Ditto.
944         (*<shiftrt_insn>qi3_1_slp): Ditto.
945         (*<rotate_insn><mode>3_1): Ditto.
946         (*<rotate_insn>si3_1_zext): Ditto.
947         (*<rotate_insn>qi3_1_slp): Ditto.
948
949 2010-04-13  Richard Guenther  <rguenther@suse.de>
950
951         * tree-ssa-structalias.c (callused_id): Remove.
952         (call_stmt_vars): New.
953         (get_call_vi): Likewise.
954         (lookup_call_use_vi): Likewise.
955         (lookup_call_clobber_vi): Likewise.
956         (get_call_use_vi): Likewise.
957         (get_call_clobber_vi): Likewise.
958         (make_transitive_closure_constraints): Likewise.
959         (handle_const_call): Adjust to do per-call call-used handling.
960         (handle_pure_call): Likewise.
961         (find_what_var_points_to): Remove general callused handling.
962         (init_base_vars): Likewise.
963         (init_alias_vars): Initialize call_stmt_vars.
964         (compute_points_to_sets): Process call-used and call-clobbered
965         vars for call statements.
966         (delete_points_to_sets): Free call_stmt_vars.
967
968 2010-04-13  Richard Guenther  <rguenther@suse.de>
969
970         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
971         Only add RW dependence for dependence distance zero.
972         Adjust maximal vectorization factor according to dependences.
973         Move alignment handling ...
974         (vect_find_same_alignment_drs): ... here.  New function.
975         (vect_analyze_data_ref_dependences): Adjust.
976         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
977         (vect_analyze_data_refs): Adjust minimal vectorization factor
978         according to data references.
979         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
980         dependences before determining the vectorization factor.
981         Analyze alignment after determining the vectorization factor.
982         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
983         dependences before alignment.
984         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
985         Adjust prototype.
986         (vect_analyze_data_refs): Likewise.
987         (MAX_VECTORIZATION_FACTOR): New define.
988
989 2010-04-13  Duncan Sands  <baldrick@free.fr>
990
991         * except.h (lang_eh_type_covers): Remove.
992         * except.c (lang_eh_type_covers): Likewise.
993
994 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
995             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
996
997         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
998         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
999         UNITS_PER_LONG where it is ABI relevant.
1000         (s390_return_addr_rtx): Likewise.
1001         (s390_back_chain_rtx): Likewise.
1002         (s390_frame_area): Likewise.
1003         (s390_frame_info): Likewise.
1004         (s390_initial_elimination_offset): Likewise.
1005         (save_gprs): Likewise.
1006         (s390_emit_prologue): Likewise.
1007         (s390_emit_epilogue): Likewise.
1008         (s390_function_arg_advance): Likewise.
1009         (s390_function_arg): Likewise.
1010         (s390_va_start): Likewise.
1011         (s390_gimplify_va_arg): Likewise.
1012         (s390_function_profiler): Likewise.
1013         (s390_optimize_prologue): Likewise.
1014         (s390_rtx_costs): Likewise.
1015         (s390_secondary_reload): Likewise.
1016         (s390_promote_function_mode): Likewise.
1017         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1018         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1019         registers available.
1020         (s390_unwind_word_mode): New function.
1021         (s390_function_value): Split 64 bit values into register pair if
1022         used as return value.
1023         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1024         function call parameters.  Handle parallels.
1025         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1026         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1027         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1028         (s390_expand_setmem): Remove unused variable src_addr.
1029         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1030         deal with 64 bit registers.
1031         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1032         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1033         (UNITS_PER_LONG): New macro.
1034         * libjava/include/s390-signal.h: Define extended ucontext
1035         structure containing the upper halfs of the 64 bit registers.
1036
1037 2010-04-13  Simon Baldwin  <simonb@google.com>
1038
1039         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1040
1041 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1042
1043         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1044         rvalue on the RHS if the LHS is of a non-renamable type.
1045         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1046
1047 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1048
1049         * gcc.c (cc1_options): Handle -iplugindir before processing
1050         the cc1 spec. Only add -iplugindir once.
1051         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1052         found.
1053         * common.opt (iplugindir): Remove `Separate' property, initialize.
1054         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1055         option.
1056         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1057         (distclean): Remove plugin dir.
1058         * doc/invoke.texi: Document -iplugindir.
1059
1060 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1061
1062         * doc/plugins.texi (Loading Plugins): Document short
1063         -fplugin=foo option.
1064         (Plugin API): Mention default_plugin_dir_name function.
1065
1066         * gcc.c (find_file_spec_function): Add new declaration.
1067         (static_spec_func): Use it for "find-file".
1068         (find_file_spec_function): Add new function.
1069         (cc1_options): Add -iplugindir option if -fplugin* options found.
1070
1071         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1072
1073         * plugin.c (add_new_plugin): Updated comment, and handle short
1074         plugin name.
1075         (default_plugin_dir_name): Added new function.
1076
1077         * common.opt (iplugindir): New option to set the plugin directory.
1078
1079 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1080
1081         * config/i386/i386.md (any_rotate): New code iterator.
1082         (rotate_insn): New code attribute.
1083         (rotate): Ditto.
1084         (SWIM124): New mode iterator.
1085         (<rotate_insn>ti3): New expander.
1086         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1087         any_rotate code iterator.
1088         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1089         using any_rotate code iterator and SWIM124 mode iterator.
1090         (ix86_rotlti3): New insn_and_split pattern.
1091         (ix86_rotrti3): Ditto.
1092         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1093         ix86_rotl{di,ti}3 patterns.
1094         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1095         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1096         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1097         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1098         code iterator and SWI mode iterator.
1099         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1100         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1101         code iterator.
1102         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1103         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1104         (bswap rotatert splitter): Add splitter.
1105         (bswap splitter): Macroize splitter using any_rotate code iterator.
1106         Add insn predicate to split only for TARGET_USE_XCHGB or when
1107         optimizing function for size.
1108
1109 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1110
1111         * config/pa/pa.c (emit_move_sequence): Remove use of
1112         deleted variable flag_argument_noalias.
1113
1114 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1115
1116         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1117         configurations.
1118         Add to unsupported targets list.
1119         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1120         sparc*-sun-solaris2.[567]* from target lists.
1121         * configure: Regenerate.
1122         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1123         removal.
1124         Remove Solaris 7 patch references.
1125         (Specific, sparc-sun-solaris2.7): Removed.
1126         (sparc-sun-solaris2*): Update Solaris 7 example.
1127         (sparc64-*-solaris2*): Likewise.
1128
1129 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1130
1131         * config.build (alpha*-dec-osf4*): Remove.
1132         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1133         of obsolete configurations.
1134         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1135         support.
1136         * config/alpha/t-osf4: Renamed to ...
1137         * config/alpha/t-osf5: ... this.
1138         * config/alpha/osf.h: Renamed to ...
1139         * config/alpha/osf5.h: ... this.
1140         Merged old osf5.h contents.
1141         Update comments.
1142         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1143         (EXTRA_SPECS): Removed.
1144         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1145         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1146         Document that.
1147
1148 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1149
1150         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1151
1152 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1153
1154         PR/43702
1155         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1156         __thiscall convention.
1157
1158 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1159
1160         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1161         orig_base.
1162         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1163
1164 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1165
1166         * function.c (assign_parms_initialize_all): Add unused attribute
1167         to fntype.
1168
1169 2010-04-12  Richard Guenther  <rguenther@suse.de>
1170
1171         * gsstruct.def (GSS_CALL): New.
1172         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1173         * gimple.h: Include tree-ssa-alias.h.
1174         (struct gimple_statement_call): New.
1175         (union gimple_statement_struct_d): Add gimple_call member.
1176         (gimple_call_reset_alias_info): Declare.
1177         (gimple_call_use_set): New function.
1178         (gimple_call_clobber_set): Likewise.
1179         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1180         * gimple.c (gimple_call_reset_alias_info): New function.
1181         (gimple_build_call_1): Call it.
1182         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1183         * tree-inline.c (remap_gimple_stmt): Likewise.
1184         (expand_call_inline): Remove callused handling.
1185         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1186         * tree-dfa.c (dump_variable): Likewise.
1187         * tree-parloops.c (parallelize_loops): Likewise.
1188         * tree-ssa.c (init_tree_ssa): Likewise.
1189         (delete_tree_ssa): Likewise.
1190         * tree-flow-inline.h (is_call_used): Remove.
1191         * tree-flow.h (struct gimple_df): Remove callused member.
1192         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1193         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1194         (ref_maybe_used_by_call_p_1): Simplify.
1195         (call_may_clobber_ref_p_1): Likewise.
1196         * tree-ssa-structalias.c (compute_points_to_sets): Set
1197         the call stmt used and clobbered sets.
1198         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1199         (find_tail_calls): Verify the tail call.
1200
1201 2010-04-12  Richard Guenther  <rguenther@suse.de>
1202
1203         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1204         single-iteration always-inline inlining.
1205         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1206         (cgraph_decide_inlining): Do not handle always-inline specially.
1207         (try_inline): Remove always-inline cycle detection special case.
1208         Do not recurse on always-inlines.
1209         (cgraph_early_inlining): Do not iterate if not optimizing.
1210         (cgraph_gate_early_inlining): remove.
1211         (pass_early_inline): Run unconditionally.
1212         (gate_cgraph_decide_inlining): New function.
1213         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1214         not inlining or optimizing.
1215         (cgraph_decide_inlining_of_small_functions): Also consider
1216         always-inline functions.
1217         (cgraph_default_inline_p): Return true for nodes which should
1218         disregard inline limits.
1219         (estimate_function_body_sizes): Assume zero size and time for
1220         nodes which are marked as disregarding inline limits.
1221         (cgraph_decide_recursive_inlining): Do not perform recursive
1222         inlining on always-inline nodes.
1223
1224 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1225
1226         PR bootstrap/43699
1227         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1228         for exprs satisfying handled_component_p.
1229
1230 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1231
1232         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1233         non-constant aggregate elements.
1234
1235         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1236         is a real initialization.
1237
1238 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1239
1240         PR c/36774
1241         * c-decl.c (start_function): Move forward check for nested function.
1242
1243 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1244
1245         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1246         * config/sh/sh.c: Include reload.h.
1247         (sh_legitimize_reload_address): New.
1248         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1249         sh_legitimize_reload_address.
1250
1251 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1252
1253         * config/sh/sh.md (*movqi_pop): New insn pattern.
1254         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1255
1256 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1257
1258         * config/i386/i386.md (any_shiftrt): New code iterator.
1259         (shiftrt_insn): New code attribute.
1260         (shiftrt): Ditto.
1261         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1262         using any_shiftrt code iterator.
1263         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1264         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1265         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1266         pattern from corresponding peephole2 patterns.
1267         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1268         using any_shiftrt code iterator.
1269         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1270         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1271         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1272         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1273         *{ashr,lshr}<mode>3_cmp_zext.
1274         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1275
1276 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1277
1278         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1279         scratch register.
1280         (*lshr<mode>3_cconly): Ditto.
1281
1282 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1283
1284         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1285         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1286         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1287         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1288         DWI mode iterator.
1289         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1290         from corresponding peephole2 patterns.
1291         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1292         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1293         and *lshrdi3_1_rex64 using SWI mode iterator.
1294         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1295         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1296         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1297         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1298         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1299         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1300         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1301         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1302         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1303         SWI mode iterator.
1304
1305 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1306
1307         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1308         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1309         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1310         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1311         DWI mode iterator.
1312         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1313         from corresponding peephole2 patterns.
1314         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1315         (ashrsi3_cvt): Rename from ashrsi3_31.
1316         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1317         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1318         and x86_64_shift_adj_3 using SWI48 mode iterator.
1319         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1320         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1321         and *ashrdi3_1_rex64 using SWI mode iterator.
1322         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1323         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1324         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1325         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1326         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1327         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1328         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1329         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1330         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1331         SWI mode iterator.
1332         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1333         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1334         x86_shift<mode>_adj_3 expanders.
1335
1336 2010-04-10  Wei Guozhi  <carrot@google.com>
1337
1338         PR target/42601
1339         * config/arm/arm.c (arm_pic_static_addr): New function.
1340         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1341         a static symbol.
1342         (arm_output_addr_const_extra): Output expression for new pattern.
1343         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1344
1345 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1346
1347         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1348         not enabled.
1349
1350         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1351         * web.c: Include "insn-config.h" and "recog.h".
1352         (union_match_dups): New function.
1353         (web_main): Call it.
1354         (union_defs): Don't try to recognize match_dups.
1355
1356         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1357         if doing so would replace the entire pattern.
1358
1359 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1360
1361         PR target/43707
1362         PR target/43709
1363         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1364         and splitter pattern.  Change splitter operand 1 predicate to
1365         nonmemory_operand.
1366
1367 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1368
1369         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1370         lattices are addresses of CONST_DECLs with the same initial value.
1371         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1372         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1373
1374 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1375             Bernd Schmidt  <bernds@codesourcery.com>
1376
1377         * loop-invariant.c (replace_uses): New static function.
1378         (move_invariant_reg): Use it to ensure we can replace the uses.
1379
1380 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1381
1382         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1383         function template.
1384         (picochip_override_options): Enable section anchors only above -O1.
1385         (picochip_reorg): Fixed a couple of build warnings.
1386
1387 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1388
1389         * configure.ac (plugin -rdynamic test): Log result.
1390         * configure: Regenerate.
1391         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1392         (RDYNAMIC_SPEC): Define.
1393         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1394
1395 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1396
1397         * configure.ac: Determine Sun ld version numbers.
1398         (comdat_group): Restrict GNU ld version checks to gld.
1399         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1400         (enable_comdat): Support --enable-comdat.
1401         * configure: Regenerate.
1402         * doc/install.texi (Configuration): Document --enable-comdat.
1403
1404 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1405
1406         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1407         * config/sol2-gld.h: ... here.
1408         * config.gcc (sparc*-*-solaris2*): Reflect this.
1409         (i[34567]86-*-solaris2*): Use it.
1410
1411 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1412
1413         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1414         setup_clocks_p.
1415         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1416
1417 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1418
1419         PR 42965
1420         * diagnostic.c (diagnostic_initialize): Initialize
1421         some_warnings_are_errors.
1422         (diagnostic_finish): New.
1423         (diagnostic_action_after_output): Call it before exiting.
1424         (diagnostic_report_diagnostic): Do not print message here. Set
1425         some_warnings_are_errors.
1426         * diagnostic.h (diagnostic_context): Delete
1427         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1428         (diagnostic_finish): Declare.
1429         * toplev.c (toplev_main): Call it before exit.
1430
1431 2010-04-09  Jason Merrill  <jason@redhat.com>
1432
1433         PR c++/42623
1434         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1435         for incomplete type.
1436
1437         PR c++/41788
1438         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1439         based on a warning flag.
1440
1441 2010-04-09  Richard Guenther  <rguenther@suse.de>
1442
1443         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1444
1445 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1446
1447         PR bootstrap/43684
1448         * varasm.c (default_assemble_visibility): Wrap vars that are
1449         set, but unused, by targets without GAS.
1450         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1451         Remove set, but unused, vars.
1452         (rs6000_legitimize_tls_address): Likewise.
1453         (altivec_expand_dst_builtin): Likewise.
1454         * config/darwin.c (machopic_classify_symbol): Likewise.
1455         (machopic_indirection_name): Likewise.
1456
1457 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1458
1459         * config/i386/i386.md (DWI): New mode iterator.
1460         (S): New mode attribute.
1461         (shift_operand): Ditto.
1462         (shift_immediate_operand): Ditto.
1463         (ashl_input_operand): Ditto.
1464         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1465         using SDWIM mode iterator.
1466         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1467         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1468         DWI mode iterator.
1469         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1470         from corresponding peephole2 patterns.
1471         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1472         and x86_64_shift_adj_1 using SWI48 mode iterator.
1473         (x86_shift<mode>_adj_2): Ditto.
1474         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1475         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1476         using SWI48 mode iterator.
1477         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1478         *ashldi3_cmp_rex64 using SWI mode iterator.
1479         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1480         *ashldi3_cconly_rex64 using SWI mode iterator.
1481         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1482         x86_shift<mode>_adj_{1,2}.
1483         (ix86_split_ashr): Ditto.
1484         (ix86_split_lshr): Ditto.
1485
1486 2010-04-09  Richard Guenther  <rguenther@suse.de>
1487
1488         * target.h (builtin_conversion): Pass in input and output types.
1489         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1490         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1491         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1492         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1493
1494         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1495         Handle AVX modes.
1496         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1497
1498 2010-04-09  Richard Guenther  <rguenther@suse.de>
1499
1500         PR target/43152
1501         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1502
1503 2010-04-09  Richard Guenther  <rguenther@suse.de>
1504
1505         * tree-vectorizer.h (struct _stmt_vec_info): Document
1506         that vectype is the type of the LHS.
1507         (supportable_widening_operation, supportable_narrowing_operation):
1508         Get both input and output vector types as arguments.
1509         (vect_is_simple_use_1): Declare.
1510         (get_same_sized_vectype): Likewise.
1511         * tree-vect-loop.c (vect_determine_vectorization_factor):
1512         Set STMT_VINFO_VECTYPE to the vector type of the def.
1513         (vectorizable_reduction): Adjust.
1514         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1515         Adjust.  Specify the output vector type.
1516         (vect_pattern_recog_1): Adjust.
1517         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1518         (vectorizable_call): Adjust.
1519         (vectorizable_conversion): Likewise.
1520         (vectorizable_operation): Likewise.
1521         (vectorizable_type_demotion): Likewise.
1522         (vectorizable_type_promotion): Likewise.
1523         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1524         the def.
1525         (vect_is_simple_use_1): New function.
1526         (supportable_widening_operation): Get both input and output
1527         vector types.
1528         (supportable_narrowing_operation): Likewise.
1529         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1530
1531 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1532
1533         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1534         __thiscall and _thiscall as predefined macros.
1535         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1536         thiscall attribute handling.
1537         (ix86_comp_type_attributes): Likewise.
1538         (ix86_function_regparm): Likewise.
1539         (ix86_return_pops_args): Likewise.
1540         (init_cumulative_args): Likewise.
1541         (find_drap_reg): Likewise.
1542         (ix86_static_chain): Likewise.
1543         (x86_this_parameter): Likewise.
1544         (x86_output_mi_thunk): Likewise.
1545         (ix86_attribute_table): Add description for thiscall attribute.
1546         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1547         * doc/extend.texi: Add documentation for thiscall.
1548
1549 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1550
1551         PR c++/28584
1552         * c.opt (Wint-to-pointer-cast): Available in C++.
1553         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1554
1555 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1556
1557         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1558         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1559         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1560         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1561         function type instead.  Reorder and simplify checks.
1562
1563         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1564
1565 2010-04-08  Jing Yu  <jingyu@google.com>
1566             Zdenek Dvorak  <ook@ucw.cz>
1567
1568         PR tree-optimization/42720
1569         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1570         loop unswitch conditions here from ...
1571         (tree_unswitch_single_loop): ... here.
1572
1573 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1574
1575         * tree-if-conv.c: Fix comments and simplify logic.
1576
1577 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1578
1579         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1580         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1581         (main_tree_if_conversion): Update call to tree_if_conversion.
1582
1583 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1584
1585         PR 42485
1586         * doc/invoke.texi (-b,-V): Delete.
1587         * doc/tm.texi: Do not mention -b.
1588         * gcc.c (display_help): Delete -b and -V.
1589         (process_command): Delete -b and -V.
1590         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1591
1592 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1593             Wolfgang Gellerich  <gellerich@de.ibm.com>
1594
1595         Implement target hook for loop unrolling
1596         * target.h (loop_unroll_adjust): Add a new target hook function.
1597         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1598         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1599         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1600         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1601         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1602         target hook.
1603         (decide_unroll_stupid): Likewise.
1604
1605 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1606
1607         PR target/43643
1608         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1609
1610 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1611
1612         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1613         (Specific, *-*-solaris2*): Likewise.
1614         Don't prefer Sun as over GNU as.
1615
1616 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1617
1618         * config/s390/s390.c (override_options): Adjust the z10
1619           defaults for max-unroll-times, max-completely-peeled-insns
1620           and max-completely-peel-times.
1621
1622 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1623
1624         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1625         instructions for z10.
1626         (s390_expand_setmem): Likewise.
1627         (s390_expand_cmpmem): Likewise.
1628
1629 2010-04-08  Richard Guenther  <rguenther@suse.de>
1630
1631         PR tree-optimization/43679
1632         * tree-ssa-pre.c (eliminate): Only propagate copies.
1633
1634 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1635
1636         PR bootstrap/43681
1637         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1638         set but not used variable warning.
1639
1640 2010-04-08  Wei Guozhi  <carrot@google.com>
1641
1642         PR target/41653
1643         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1644         (arm_size_rtx_costs): Call the new function when optimized for size.
1645
1646 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1647
1648         PR debug/43670
1649         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1650         op0 is not a MEM, just return NULL instead of assertion
1651         failure.
1652         (discover_nonconstant_array_refs): Don't walk debug stmts.
1653
1654 2010-04-08  Doug Kwan  <dougkwan@google.com>
1655
1656         * configure.ac: Recognize gold and do not use its version number
1657         to test ld features.
1658         * configure: Regenerate.
1659
1660 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1661
1662         PR middle-end/40815
1663         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1664         (negate_value): Move code to push elements to broken_up_substracts ...
1665         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1666         negative pair to plus_negates.
1667         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1668
1669 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1670
1671         * doc/install.texi (Configuration): Move description of
1672         --enable-lto, --with-libelf*, --enable-gold from Java section to
1673         general section.
1674
1675         * doc/generic.texi (Working with declarations)
1676         (Function Properties, C and C++ Trees): Fix typos.
1677         * doc/sourcebuild.texi (Top Level): Likewise.
1678
1679 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1680
1681         PR c/18624
1682         * tree.h (DECL_READ_P): Define.
1683         (struct tree_decl_common): Add decl_read_flag.
1684         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1685         a set but not used warning.
1686         (merge_decls): Merge DECL_READ_P flag.
1687         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1688         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1689         * c-common.c (handle_used_attribute, handle_unused_attribute):
1690         Likewise.
1691         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1692         New prototypes.
1693         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1694         New functions.
1695         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1696         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1697         c_parser_binary_expression, c_parser_cast_expression,
1698         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1699         Call default_function_array_read_conversion instead of
1700         default_function_array_conversion where needed.
1701         (c_parser_unary_expression, c_parser_conditional_expression,
1702         c_parser_postfix_expression_after_primary, c_parser_initelt):
1703         Likewise.  Call mark_exp_read where needed.
1704         (c_parser_statement_after_labels, c_parser_asm_operands,
1705         c_parser_typeof_specifier, c_parser_sizeof_expression,
1706         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1707         where needed.
1708         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1709         New.
1710         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1711         (warn_unused_but_set_parameter): Default to warn_unused
1712         && extra_warnings.
1713         * doc/invoke.texi: Document -Wunused-but-set-variable and
1714         -Wunused-but-set-parameter.
1715
1716         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1717         used count variable.
1718         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1719         when operandN variables aren't used in the body of the expander
1720         or splitter.
1721         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1722         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1723         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1724         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1725         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1726         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1727         * tree.c (PROCESS_ARG): Likewise.
1728
1729 2010-04-07  Simon Baldwin  <simonb@google.com>
1730
1731         * diagnostic.h (diagnostic_override_option_index): New macro to
1732         set a diagnostic's option_index.
1733         * c-tree.h (c_cpp_error): Add warning reason argument.
1734         * opts.c (_warning_as_error_callback): New.
1735         (register_warning_as_error_callback): Store callback for
1736         warnings enabled via enable_warning_as_error.
1737         (enable_warning_as_error): Call callback, minor code tidy.
1738         * opts.h (register_warning_as_error_callback): Declare.
1739         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1740         response to -Werror=.
1741         (c_common_init_options): Register warning_as_error_callback in opts.c.
1742         * common.opt: Add -Wno-cpp option.
1743         * c-common.c (struct reason_option_codes_t): Map cpp warning
1744         reason codes to gcc option indexes.
1745         * (c_option_controlling_cpp_error): New function, lookup the gcc
1746         option index for a cpp warning reason code.
1747         * (c_cpp_error): Add warning reason argument, call
1748         c_option_controlling_cpp_error for diagnostic_override_option_index.
1749         * doc/invoke.texi: Document -Wno-cpp.
1750
1751 2010-04-07  Richard Guenther  <rguenther@suse.de>
1752
1753         * ipa-reference.c (mark_load): Use get_base_address.
1754         (mark_store): Likewise.
1755
1756         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1757         inserting GIMPLE_NOPs into the IL.
1758         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1759         Explicitly strip handled components and indirect references.
1760
1761         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1762         folding address expressions.
1763         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1764         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1765         operand_equal_p to compare decls.
1766         (ptr_deref_may_alias_decl_p): Likewise.
1767         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1768         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1769         Handle reversed comparison ops.
1770         * tree-sra.c (asm_visit_addr): Use get_base_address.
1771         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1772         * ipa-reference.c (mark_address): Use get_base_address.
1773
1774 2010-04-07  Richard Guenther  <rguenther@suse.de>
1775
1776         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1777         Propagate constants everywhere.
1778
1779 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1780
1781         PR debug/43516
1782         * tree.c (MAX_INT_CACHED_PREC): Define.
1783         (nonstandard_integer_type_cache): New array.
1784         (build_nonstandard_integer_type): Cache results for precision
1785         <= MAX_INT_CACHED_PREC.
1786
1787 2010-04-07  Richard Guenther  <rguenther@suse.de>
1788
1789         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1790         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1791         * common.opt: Likewise.
1792         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1793         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1794         (nonoverlapping_memrefs_p): Likewise.
1795         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1796         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1797         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1798         OPT_fargument_noalias_global for backward compatibility.
1799
1800 2010-04-07  Richard Guenther  <rguenther@suse.de>
1801
1802         PR tree-optimization/43270
1803         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1804         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1805         * tree-ssa-pre.c (phi_translate_1): Adjust.
1806         (fully_constant_expression): Split out vn_reference handling to ...
1807         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1808         Fold reads from constant strings.
1809         (vn_reference_lookup): Handle fully constant references.
1810         (vn_reference_lookup_pieces): Likewise.
1811         * Makefile.in (expmed.o-warn): Add -Wno-error.
1812
1813 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1814
1815         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1816
1817 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1818
1819         PR driver/41594
1820         * gcc.c: Add -static-libstdc++ to list of recognized options.
1821
1822 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1823
1824         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1825
1826 2010-04-07  Richard Guenther  <rguenther@suse.de>
1827
1828         PR middle-end/42617
1829         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1830         bases build simple mem attributes to retain points-to information.
1831
1832 2010-04-07  Richard Guenther  <rguenther@suse.de>
1833
1834         PR middle-end/42617
1835         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1836         preserve points-to related information.
1837
1838 2010-04-07  Richard Guenther  <rguenther@suse.de>
1839
1840         PR middle-end/42617
1841         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1842         discard plain indirect references.
1843         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1844         * tree.c (tree_nop_conversion): Likewise.
1845
1846 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1847
1848         PR debug/43628
1849         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1850
1851 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1852
1853         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1854         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1855
1856 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         * tree-if-conv.c: Fix indentation and comments.
1859
1860 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * tree-if-conv.c: Sort static functions in topological order.
1863
1864 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1865
1866         * tree-if-conv.c: Fix indentation and comments.
1867
1868 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1869
1870         PR middle-end/43519
1871         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1872         lang_hooks.types.type_for_size instead of
1873         build_nonstandard_integer_type.
1874         When converting an unsigned type to signed, double its precision.
1875         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1876         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1877         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1878         use lb <= ub.
1879
1880 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         PR middle-end/43519
1883         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1884         POINTER_PLUS_EXPR for pointer types.
1885
1886 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1887
1888         PR middle-end/43519
1889         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1890         * graphite-clast-to-gimple.c: Include langhooks.h.
1891         (max_signed_precision_type): New.
1892         (max_precision_type): Takes two types as arguments.
1893         (precision_for_value): New.
1894         (precision_for_interval): New.
1895         (gcc_type_for_interval): New.
1896         (gcc_type_for_value): New.
1897         (gcc_type_for_clast_term): New.
1898         (gcc_type_for_clast_red): New.
1899         (gcc_type_for_clast_bin): New.
1900         (gcc_type_for_clast_expr): Split up into several functions.
1901         (gcc_type_for_clast_eq): Rewritten.
1902         (compute_bounds_for_level): New.
1903         (compute_type_for_level_1): New.
1904         (compute_type_for_level): New.
1905         (gcc_type_for_cloog_iv): Removed.
1906         (gcc_type_for_iv_of_clast_loop): Rewritten.
1907         (graphite_create_new_loop): Compute the lower and upper bound types
1908         with gcc_type_for_clast_expr.
1909         (graphite_create_new_loop_guard): Same.
1910         (find_cloog_iv_in_expr): Removed.
1911         (compute_cloog_iv_types_1): Removed.
1912         (compute_cloog_iv_types): Removed.
1913         (gloog): Do not call compute_cloog_iv_types.
1914         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1915         GBB_CLOOG_IV_TYPES.
1916         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1917         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1918         (GBB_CLOOG_IV_TYPES): Removed.
1919
1920 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1921
1922         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1923         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1924         (detect_commutative_reduction): Same.
1925
1926 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1927
1928         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1929         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1930         argument.
1931         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1932         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1933         (rewrite_commutative_reductions_out_of_ssa): Same.
1934         * passes.c (execute_function_todo): Call verify_ssa for every pass
1935         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1936         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1937         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1938         with an extra argument.
1939         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1940         verify_ssa only when the extra argument is true.
1941         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1942         with an extra argument.
1943         (tree_transform_and_unroll_loop): Same.
1944
1945 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1946
1947         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1948         for all the passes of the LNO having LOOP_CLOSED_SSA.
1949         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1950         * tree-loop-distribution.c (pass_loop_distribution): Same.
1951         * tree-pass.h (TODO_verify_loops): Removed.
1952         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1953         (pass_lim): Same.
1954         (pass_tree_unswitch): Same.
1955         (pass_predcom): Same.
1956         (pass_vectorize): Same.
1957         (pass_linear_transform): Same.
1958         (pass_graphite_transforms): Same.
1959         (pass_iv_canon): Same.
1960         (pass_complete_unroll): Same.
1961         (pass_complete_unrolli): Same.
1962         (pass_parallelize_loops): Same.
1963         (pass_loop_prefetch): Same.
1964         (pass_iv_optimize): Same.
1965
1966 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1967
1968         PR middle-end/32824
1969         * passes.c (init_optimization_passes): Move pass_lim before
1970         pass_copy_prop and pass_dce_loop.
1971
1972 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1973
1974         PR target/43667
1975         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1976         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1977         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1978         MULTI_* defines for 4 argument vpermil2p* builtins.
1979
1980 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1981
1982         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1983         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1984         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1985         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1986         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1987         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1988         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1989         Use x86_maybe_negate_const_int to output insn mnemonic.
1990         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1991         check from instruction predicate.  Update comments.
1992         * config/i386/sync.md (sync_add<mode>): Use
1993         x86_maybe_negate_const_int to output insn mnemonic.
1994
1995 2010-04-06  Jan Hubicka  <jh@suse.cz>
1996
1997         PR tree-optimization/42906
1998         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1999         IGNORE_SELF argument.  Set visited_control_parents for fully
2000         processed BBs.
2001         (find_obviously_necessary_stmts): Update call of
2002         mark_control_dependent_edges_necessary.
2003         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2004
2005 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2006
2007         * config/i386/i386.md: Remove comment about 'e' and 'E'
2008         operand modifier.
2009
2010 2010-04-06  Richard Guenther  <rguenther@suse.de>
2011
2012         PR tree-optimization/43627
2013         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2014         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2015         not varying.
2016
2017 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2018
2019         * BASE-VER: Change to 4.6.0.
2020
2021         PR target/43638
2022         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2023         handling.
2024
2025 2010-04-06  Richard Guenther  <rguenther@suse.de>
2026
2027         PR middle-end/43661
2028         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2029
2030 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2031
2032         * doc/invoke.texi (Optimize Options): Document that LTO
2033         won't remove object access purely due to incompatible
2034         declarations.
2035
2036 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2037
2038         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2039         Initialize variable.
2040
2041 2010-04-03  Richard Guenther  <rguenther@suse.de>
2042
2043         PR middle-end/42509
2044         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2045         require a non-NULL MEM_OFFSET.
2046
2047 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2048
2049         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2050         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2051         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2052         config/alpha/predicates.md, config/arm/arm.md,
2053         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2054         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2055         config/darwin9.h, config/darwin.c, config/darwin.h,
2056         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2057         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2058         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2059         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2060         config/mips/mips.md, config/mn10300/mn10300.c,
2061         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2062         config/rs6000/aix.h, config/rs6000/dfp.md,
2063         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2064         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2065         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2066         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2067         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2068         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2069         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2070         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2071         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2072         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2073         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2074         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2075         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2076         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2077         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2078         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2079         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2080         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2081         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2082         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2083         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2084         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2085         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2086         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2087         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2088         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2089         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2090         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2091         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2092         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2093         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2094         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2095         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2096         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2097         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2098         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2099
2100 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2101
2102         PR other/43620
2103         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2104         * aclocal.m4: Regenerate.
2105
2106 2010-04-02  Richard Guenther  <rguenther@suse.de>
2107
2108         PR tree-optimization/43629
2109         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2110         if we have seen a constant value.
2111
2112 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2113
2114         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2115
2116 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2117
2118         PR target/43469
2119         * arm.c (legitimize_tls_address): Adjust call to
2120         gen_tls_load_dot_plus_four.
2121         (arm_note_pic_base): New function.
2122         (arm_cannot_copy_insn_p): Use it.
2123         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2124         constraint.
2125
2126 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2127
2128         PR bootstrap/43531
2129
2130         Revert:
2131         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2132
2133         * Makefile.in ($(out_object_file)): Depend on
2134         gt-$(basename $(notdir $(out_file))).h.
2135
2136 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2137
2138         * config.gcc (lm32-*-rtems*): Add t-lm32.
2139
2140 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2141
2142         * config.gcc: Add lm32-*-rtems*.
2143         * config/lm32/rtems.h: New file.
2144
2145 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2146
2147         PR target/42609
2148         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2149
2150 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2151
2152         * dwarf2out.c (output_compilation_unit_header): For
2153         -gdwarf-4 use version 4 instead of version 3.
2154         (output_line_info): For version 4 and above emit additional
2155         maximum ops per insn header field.
2156         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2157
2158         * dwarf2out.c (is_c_family, is_java): Remove.
2159         (lower_bound_default): New function.
2160         (add_bound_info, gen_descr_array_type_die): Use it.
2161
2162 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2163
2164         PR debug/43325
2165         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2166         re-declaration when it happens in a function.
2167
2168 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2169
2170         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2171         (cgraph_remove_function_insertion_hook): Same.
2172         (cgraph_call_function_insertion_hooks): Same.
2173
2174 2010-04-01  Richard Guenther  <rguenther@suse.de>
2175
2176         PR middle-end/43614
2177         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2178         and TREE_THIS_VOLATILE.
2179         (copy_ref_info): Likewise.
2180         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2181         * tree.c (build6_stat): Ignore side-effects of all but arg5
2182         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2183         TARGET_MEM_REF.
2184
2185 2010-04-01  Richard Guenther  <rguenther@suse.de>
2186
2187         PR tree-optimization/43607
2188         * ipa-type-escape.c (check_call): Do not access non-existing
2189         arguments.
2190
2191 2010-04-01  Richard Guenther  <rguenther@suse.de>
2192
2193         PR middle-end/43602
2194         Revert
2195         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2196                     Jack Howarth <howarth@bromo.med.uc.edu>
2197
2198         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2199         variables TLS.
2200
2201 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2202
2203         * doc/install.texi (Prerequisites): Document libelf usability on
2204         IRIX 5/6 and Solaris 2.
2205         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2206         Update GNU as, GNU ld requirements.
2207         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2208         Document Sun Studio compiler download.
2209         Update and simplify as, ld recommendations.
2210         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2211
2212 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2213
2214         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2215         with_tune_32 to pentium4.
2216
2217 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2218
2219         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2220
2221 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2222
2223         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2224         obsoletion, removal.
2225         Update IDO URL.
2226         Document GNU as requirement.
2227         Update configure requirements.
2228         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2229         Recomment IRIX 6.5.18+.
2230         Document IDF/IDL requirement.
2231         Document GNU as requirement.
2232         Document GNU ld bootstrap failure.
2233         Remove freeware.sgi.com reference.
2234
2235 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2236
2237         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2238         UNIX V4.0, V5.0 obsoletion, removal.
2239         Remove --with-gc=simple reference.
2240         Update VM requirements during bootstrap.
2241         Remove -oldas bootstrap description.
2242         Update binutils reference.
2243         Remove comparison failure note.
2244
2245 2010-03-31  Richard Guenther  <rguenther@suse.de>
2246             Zdenek Dvorak  <ook@ucw.cz>
2247             Sebastian Pop  <sebastian.pop@amd.com>
2248
2249         PR middle-end/43464
2250         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2251         with multiple arguments.
2252         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2253
2254 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2255
2256         * graphite-dependences.c (print_pddr): Call print_pdr with an
2257         extra argument.
2258         * graphite-poly.c (debug_pdr): Add an extra argument for the
2259         verbosity level.
2260         (print_pdr): Same.
2261         (print_pbb_domain): Same.
2262         (print_pbb): Same.
2263         (print_scop_context): Same.
2264         (print_scop): Same.
2265         (print_cloog): Same.
2266         (debug_pbb_domain): Same.
2267         (debug_pbb): Same.
2268         (print_pdrs): Same.
2269         (debug_pdrs): Same.
2270         (debug_scop_context): Same.
2271         (debug_scop): Same.
2272         (debug_cloog): Same.
2273         (print_scop_params): Same.
2274         (debug_scop_params): Same.
2275         (print_iteration_domain): Same.
2276         (print_iteration_domains): Same.
2277         (debug_iteration_domain): Same.
2278         (debug_iteration_domains): Same.
2279         (print_scattering_function): Same.
2280         (print_scattering_functions): Same.
2281         (debug_scattering_function): Same.
2282         (debug_scattering_functions): Same.
2283         * graphite-poly.h (debug_pdr): Update declaration.
2284         (print_pdr): Same.
2285         (print_pbb_domain): Same.
2286         (print_pbb): Same.
2287         (print_scop_context): Same.
2288         (print_scop): Same.
2289         (print_cloog): Same.
2290         (debug_pbb_domain): Same.
2291         (debug_pbb): Same.
2292         (print_pdrs): Same.
2293         (debug_pdrs): Same.
2294         (debug_scop_context): Same.
2295         (debug_scop): Same.
2296         (debug_cloog): Same.
2297         (print_scop_params): Same.
2298         (debug_scop_params): Same.
2299         (print_iteration_domain): Same.
2300         (print_iteration_domains): Same.
2301         (debug_iteration_domain): Same.
2302         (debug_iteration_domains): Same.
2303         (print_scattering_function): Same.
2304         (print_scattering_functions): Same.
2305         (debug_scattering_function): Same.
2306         (debug_scattering_functions): Same.
2307
2308 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * graphite-poly.c (print_scattering_function_1): New.
2311         (print_scattering_function): Call it.
2312         (print_scop_params): Remove spaces at the end of lines.
2313         (print_cloog): New.
2314         (debug_cloog): New.
2315         * graphite-poly.h (print_cloog): Declared.
2316         (debug_cloog): Declared.
2317
2318 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2319
2320         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2321         in loop->header.
2322         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2323         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2324         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2325         to switch between adding the IV bump in loop->latch or in loop->header.
2326
2327 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2328
2329         * graphite-poly.c (print_scattering_function): Pretty print following
2330         the scoplib format.
2331         (print_pdr): Same.
2332         (print_pbb_domain): Same.
2333         (dump_gbb_cases): Same.
2334         (dump_gbb_conditions): Same.
2335         (print_pdrs): Same.
2336         (print_pbb): Same.
2337         (print_scop_params): Same.
2338         (print_scop_context): Same.
2339         (print_scop): Same.
2340         (print_pbb_body): New.
2341         (lst_indent_to): New.
2342         (print_lst): Start new lines with a #.
2343         * graphite-poly.h (pbb_bb): New.
2344         (pbb_index): Use pbb_bb.
2345         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2346         disjuncts.
2347         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2348
2349 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2350
2351         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2352         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2353         and 0 instead of 1 for dw_val_class_flag.
2354         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2355         dw_val_class_range_list, dw_val_class_loc_list,
2356         dw_val_class_lineptr and dw_val_class_macptr, use
2357         DW_FORM_flag_present for dw_val_class_flag and
2358         DW_FORM_exprloc for dw_val_class_loc.
2359         (output_die): For -gdwarf-4 print dw_val_class_loc
2360         size as uleb128 instead of 1 or 2 bytes and don't print
2361         anything for dw_val_class_flag.
2362
2363         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2364         instead of cselib_lookup following by tweaking locs->setting_insn.
2365
2366         PR bootstrap/43596
2367         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2368         even before returning from label, setjmp call or volatile asm
2369         handling.
2370
2371 2010-03-31  Richard Guenther  <rguenther@suse.de>
2372
2373         PR middle-end/43600
2374         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2375         temporary data on stack.
2376
2377 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2378
2379         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2380         (PUSHSECTION_ASM_OP): Remove.
2381         (POPSECTION_ASM_OP): Remove.
2382         (PUSHSECTION_FORMAT): Remove.
2383         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2384         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2385         * config/sol2.c (solaris_output_init_fini): Use it.
2386
2387 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2388
2389         PR 43574
2390         * opt-functions.awk (var_type_struct): Use signed char type
2391         for simple variables.
2392
2393 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2394
2395         * config/sol2.c: Include output.h.
2396         (solaris_assemble_visibility): New function.
2397         * config/t-sol2 (sol2.o): Add output.h dependency.
2398         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2399         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2400         Redefine.
2401
2402 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2403
2404         PR target/43580
2405         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2406         V2SImode or XFmode on PRE_DEC.
2407
2408         PR debug/43557
2409         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2410         BLKmode.
2411
2412 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2413
2414         PR 43562
2415         * reload.h (caller_save_initialized_p): Declare.
2416         * toplev.c (backend_init_target): Don't call
2417         init_caller_save but set caller_save_initialized_p to false.
2418         * caller-save.c (caller_save_initialized_p): Define.
2419         (init_caller_save): Check caller_save_initialized_p.
2420         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2421
2422 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2423
2424         PR target/39048
2425         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2426         and soft-fp/t-softfp to tmake_file.
2427         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2428         (LIBGCC2_TF_CEXT): Define.
2429         (TF_SIZE): Define.
2430
2431 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2432
2433         PR debug/42977
2434         * cselib.c (n_useless_values): Document handling of debug locs.
2435         (n_useless_debug_values, n_debug_values): New variables.
2436         (new_elt_loc_list): Don't add to debug values, keep count.
2437         (promote_debug_loc): New.
2438         (cselib_reset_table): Zero new variables.
2439         (entry_and_rtx_equal_p): Promote debug locs.
2440         (discard_useless_locs): Increment n_useless_debug_values for
2441         debug values.
2442         (remove_useless_values): Adjust n_useless_values and n_debug_values
2443         with n_useless_debug_values.
2444         (add_mem_for_addr): Promote debug locs.
2445         (cselib_lookup_mem): Likewise.
2446         (cselib_lookup_addr): Renamed to...
2447         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2448         (cselib_log_lookup): ... this.  Turn into...
2449         (cselib_lookup_addr): ... new wrapper.
2450         (cselib_lookup_from_insn): New.
2451         (cselib_invalidate_regno): Increment n_useless_debug_values for
2452         debug values.
2453         (cselib_invalidate_mem): Likewise.
2454         (cselib_process_insn): Take n_deleted and n_debug_values into
2455         account to guard remove_useless_value call.
2456         (cselib_finish): Zero n_useless_debug_values.
2457         * cselib.h (cselib_lookup_from_insn): Declare.
2458         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2459         (sched_analyze_2): Likewise.
2460
2461 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2462
2463         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2464         functions.
2465         (adjust_mems): Replace narrowing SUBREG of expression containing
2466         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2467         with operations in the narrower mode.
2468
2469         PR debug/43593
2470         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2471         regs_invalidated_by_call instead all call_used_reg_set registers.
2472
2473 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2474
2475         PR middle-end/43430
2476         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2477         pointer comparisons with types_compatible_p.
2478         * tree-vect-stmts.c (vectorizable_call): Same.
2479         (vectorizable_condition): Same.
2480
2481 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2482
2483         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2484         stack check if the mask would be zero.
2485
2486 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2487             Jack Howarth <howarth@bromo.med.uc.edu>
2488
2489         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2490         variables TLS.
2491
2492 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2493
2494         PR other/25232
2495         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2496         and __unordtf2.
2497         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2498         Include ___unordxf2 and ___unordtf2.
2499         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2500         GCC_4.4.0 here.
2501
2502 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2503
2504         * config/lm32/t-lm32: New file.
2505         * config.gcc: Use the above file when targetting lm32.
2506
2507 2010-03-28  Duncan Sands  <baldrick@free.fr>
2508
2509         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2510
2511 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2512
2513         PR middle-end/43431
2514         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2515         Improve vectorization cost model diagnostic.
2516
2517 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2518
2519         PR middle-end/43436
2520         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2521         compute_data_dependences_for_loop returns false, early exit
2522         and output an extra diagnostic for the failed data reference
2523         analysis.
2524
2525 2010-03-29  Richard Guenther  <rguenther@suse.de>
2526
2527         PR tree-optimization/43560
2528         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2529         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2530
2531 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2532
2533         PR 43564
2534         * toplev.c (process_options): Set optimization_default_node
2535         and optimization_current_node.
2536         * opts.c (decode_options): Don't set optimization_default_node
2537         and optimization_current_node.
2538
2539 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2540
2541         * config/rtems.h: Abandon -qrtems_debug.
2542
2543 2010-03-28  Jan Hubicka  <jh@suse.cz>
2544
2545         PR tree-optimization/43505
2546         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2547         map should not be copied.
2548
2549 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2550
2551         PR middle-end/41674
2552         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2553         cdtors, set DECL_PRESERVE_P.
2554         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2555         should be preseved.
2556
2557 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2558
2559         PR tree-optimization/43528
2560         * stor-layout.c (place_field): Check that constant fits into
2561         unsigned HWI when skipping calculation of MS bitfield layout.
2562
2563 2010-03-27  Jan Hubicka  <jh@suse.cz>
2564
2565         PR middle-end/43391
2566         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2567         notice_global_symbol work.
2568
2569 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2570
2571         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2572         instead of dwarf2out_decl.
2573         (struct var_loc_node): Remove section_label field.
2574         (dwarf2out_function_decl): New function.
2575         (dwarf2out_var_location): Don't set section_label field.
2576         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2577
2578 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2579
2580         PR tree-optimization/43544
2581         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2582         First argument for builtin vectorized function hook is now a
2583         tree to be able to distinguish between machine specific and
2584         standard builtins.
2585         * targhooks.c (default_builtin_vectorized_function): Ditto.
2586         * targhooks.h (default_builtin_vectorized_function): Ditto.
2587         * target.h (struct gcc_target): Ditto.
2588         * tree-vect-stmts.c (vectorizable_function): Ditto.
2589         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2590         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2591         Ditto.
2592
2593 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2594
2595         PR c/43381
2596         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2597         nested binding iff it is a FUNCTION_DECL.
2598         (store_parm_decls_newstyle): Pass nested=true to bind for
2599         FUNCTION_DECLs amongst parameters.
2600
2601 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2602
2603         * var-tracking.c (vt_expand_loc_callback): Don't run
2604         cselib_expand_value_rtx_cb in dummy mode if
2605         cselib_dummy_expand_value_rtx_cb returned false.
2606
2607         * var-tracking.c (emit_note_insn_var_location): For one part
2608         notes with offset 0, don't add EXPR_LIST around the location.
2609         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2610         add_location_or_const_value_attribute): Adjust for that change.
2611
2612         PR debug/43540
2613         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2614         into first operand and location into second.
2615         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2616         dw_cfi_oprnd_loc for DW_CFA_expression.
2617         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2618         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2619         assume first argument is regnum and second argument is location.
2620
2621 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2622
2623         PR target/42113
2624         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2625         of scratch register to DImode.  Split to DImode comparison operator.
2626         Use SImode subreg of scratch register in the multiplication.
2627         (*cmp_sadd_sidi): Ditto.
2628         (*cmp_ssub_si): Ditto.
2629         (*cmp_ssub_sidi): Ditto.
2630
2631 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2632
2633         PR target/43524
2634         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2635         Remove invalid assert and wrong comment.
2636
2637 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2638
2639         PR debug/43516
2640         * flags.h (final_insns_dump_p): New extern.
2641         * final.c (final_insns_dump_p): New variable.
2642         (rest_of_clean_state): Set it before -fdump-final-insns=
2643         dumping, clear afterwards.
2644         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2645         MEM_ALIAS_SET on MEMs.
2646
2647 2010-03-26  David S. Miller  <davem@davemloft.net>
2648
2649         * configure.ac: Fix sparc GOTDATA_OP bug check.
2650         * configure: Rebuild.
2651
2652 2010-03-26  Alan Modra  <amodra@gmail.com>
2653
2654         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2655
2656 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2657
2658         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2659         TLS_SECTION_ASM_FLAG.
2660
2661 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2662
2663         PR bootstrap/43511
2664         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2665         Clear first_function_block_is_cold.
2666
2667         PR c/43385
2668         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2669         argument if the argument is truth_value_p.
2670
2671 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2672
2673         * config/rs6000/constraints.md: Update copyright year for my changes.
2674
2675         PR target/43484
2676         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2677         used in reg+reg addressing, swap registers.
2678
2679 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2680
2681         PR debug/43293
2682         * target.h (struct gcc_target): Add code_end hook.
2683         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2684         if not yet defined.
2685         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2686         * toplev.c (compile_file): Call targetm.asm_out.code_end
2687         hook before unwind info/debug info output.
2688         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2689         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2690         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2691         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2692         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2693         * config/i386/i386.c (ix86_file_end): Renamed to...
2694         (ix86_code_end): ... this.  Make static.  Don't call
2695         file_end_indicate_exec_stack.  Emit unwind info using
2696         final_start_function/final_end_function.
2697         (darwin_x86_file_end): Remove.
2698         (TARGET_ASM_CODE_END): Define.
2699         * config/i386/i386.h (TARGET_ASM_FILE_END,
2700         NEED_INDICATE_EXEC_STACK): Don't define.
2701         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2702         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2703         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2704         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2705
2706         PR target/43498
2707         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2708         at the beginning and final_end_function at the end.
2709         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2710
2711 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2712
2713         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2714         and Sun as TLS syntax.
2715         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2716         * configure: Regenerate.
2717         * config.in: Regenerate.
2718         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2719         (default_elf_asm_named_section): Use it.
2720         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2721         (i386_output_dwarf_dtprel): Likewise.
2722         (output_addr_const_extra): Likewise.
2723         (output_pic_addr_const): Lowercase @GOTTPOFF.
2724         (output_addr_const_extra): Likewise.
2725         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2726         (output_addr_const_extra): Likewise.
2727         (output_pic_addr_const): Lowercase @INDNTPOFF.
2728         (output_addr_const_extra): Likewise.
2729         (output_pic_addr_const): Lowercase @NTPOFF.
2730         (output_addr_const_extra): Likewise.
2731         (output_pic_addr_const): Lowercase @TPOFF.
2732         (output_addr_const_extra): Likewise.
2733         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2734         (*tls_global_dynamic_64): Likewise.
2735         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2736         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2737
2738         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2739         (ASM_OUTPUT_TLS_COMMON): Use it.
2740         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2741
2742         PR target/38118
2743         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2744         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2745         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2746         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2747         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2748         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2749
2750 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2751
2752         * config/i386/i386.c (override_options): Don't accept
2753         -mtls-dialect=sun any longer.
2754         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2755         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2756         (*tls_local_dynamic_base_32_sun): Likewise.
2757         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2758
2759 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2760
2761         PR debug/43508
2762         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2763         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2764
2765         PR debug/43479
2766         * ira.c (adjust_cleared_regs): New function.
2767         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2768
2769         PR debug/19192
2770         PR debug/43479
2771         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2772         from gimple_block.
2773         * expr.c (expand_expr_real): Restore previous
2774         curr_insn_source_location and curr_insn_block after
2775         expand_expr_real_1 call.
2776         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2777         instead of expand_expr_real_1.
2778
2779 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2780
2781         PR rtl-optimization/43413
2782         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2783         hard regs too.
2784
2785 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2786
2787         PR target/43348
2788         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2789         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2790
2791 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2792
2793         * config/i386/i386.c (ix86_target_string): Add -mfma.
2794         Fix a typo in comment.
2795
2796 2010-03-22  Mike Stump  <mikestump@comcast.net>
2797
2798         PR target/23071
2799         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2800         Don't overly align based upon packed packed fields.
2801
2802 2010-03-22  Jason Merrill  <jason@redhat.com>
2803
2804         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2805         Use () rather than [], and move before the element type.
2806
2807 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2808
2809         * doc/configfiles.texi (Configuration Files): Removed
2810         fixinc/Makefile*, intl/Makefile.*.
2811         * doc/makefile.texi: Fixed markup. Abstract from version
2812         control system used.
2813         (Makefile): Removed obsolete gcc/java/parse.y example.
2814         * doc/sourcebuild.texi: Likewise.
2815         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2816         libgomp, libssp.  Removed fastjar.
2817         (Miscellaneous Docs): Clarify location.
2818         Added COPYING3, COPYING3.LIB.
2819         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2820
2821 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2822
2823         PR target/38085
2824         * config/i386/i386.c (x86_function_profiler)
2825         [!NO_PROFILE_COUNTERS]: Fix typo.
2826         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2827         instead of callq.
2828
2829 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2830             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2831
2832         * doc/sourcebuild.texi (Test Directives): Split into six
2833         subsections, with most of the current text in new subsections
2834         Directives, Selectors, and Final Actions.
2835         (Directives): Split list of test directives into multiple
2836         subsubsections.
2837         (Selectors): Describe use and syntax of selectors.
2838         (Effective-Target Keywords): Describe all existing keywords.
2839         (Add Options): Describe features for dg-add-options.
2840         (Require Support): Describe variants of dg-require-support.
2841         (Final Actions): Describe commands to use in dg-final.
2842
2843 2010-03-22  Michael Matz  <matz@suse.de>
2844
2845         PR middle-end/43475
2846         * recog.c (validate_replace_rtx_group): Replace also in
2847         REG_EQUAL and REG_EQUIV notes.
2848
2849 2010-03-22  Richard Guenther  <rguenther@suse.de>
2850
2851         PR tree-optimization/43390
2852         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2853         sure vector extracts are type correct.
2854
2855 2010-03-22  Richard Guenther  <rguenther@suse.de>
2856
2857         PR middle-end/40106
2858         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2859         x * sqrt (x) even when optimizing for size if the target
2860         has native support for sqrt.
2861
2862 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2863
2864         * varasm.c (make_decl_rtl_for_debug): Also clear
2865         flag_mudflap for the duration of make_decl_rtl call.
2866
2867         PR debug/43443
2868         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2869         locs from preserved VALUEs.
2870
2871 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2872
2873         PR middle-end/42718
2874         * pa.md (movmemsi): Set align to one if zero.
2875         (movmemdi): Likewise.
2876
2877 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2878
2879         PR target/42321
2880         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2881         with their corresponding prologue pushes.
2882
2883 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2884
2885         PR target/43156
2886         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2887         at the begining or end.
2888         (spu_expand_epilogue): Likewise.
2889
2890 2010-03-20  Richard Guenther  <rguenther@suse.de>
2891
2892         PR rtl-optimization/43438
2893         * combine.c (make_extraction): Properly zero-/sign-extend an
2894         extraction of the low part of a CONST_INT.  Also handle
2895         CONST_DOUBLE.
2896
2897 2010-03-19  Mike Stump  <mikestump@comcast.net>
2898
2899         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2900         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2901         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2902
2903 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2904
2905         PR c/43211
2906         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2907         an error.
2908
2909 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2910
2911         PR rtl-optimization/42258
2912         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2913         use that may match DEF.
2914
2915         PR target/40697
2916         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2917         the cost of loading the constant rather than assuming
2918         COSTS_N_INSNS (1).
2919         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2920         outer code is AND, do the same tests as the andsi3 expander and
2921         return COSTS_N_INSNS (1) if and is cheap.
2922
2923         * optabs.c (avoid_expensive_constant): Fix formatting.
2924
2925 2010-03-19  Michael Matz  <matz@suse.de>
2926
2927         PR c++/43116
2928         * attribs.c (decl_attributes): When rebuilding a function pointer
2929         type use the same qualifiers as the original pointer type.
2930
2931 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2932
2933         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2934         and is_gimple_ip_invariant_address.
2935
2936 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2937
2938         Revert
2939         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2940
2941         * config/arm/arm.c (arm_override_options): Turn off
2942         flag_dwarf2_cfi_asm for AAPCS variants.
2943
2944 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2945
2946         PR target/43399
2947         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2948         Use PRE_MODIFY instead of PRE_DEC.
2949         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2950         (vfp_emit_fstmd): Likewise.
2951
2952 2010-03-19  Michael Matz  <matz@suse.de>
2953
2954         PR target/43305
2955         * builtins.c (expand_builtin_interclass_mathfn,
2956         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2957         if that fails.
2958
2959 2010-03-19  Richard Guenther  <rguenther@suse.de>
2960
2961         PR tree-optimization/43415
2962         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2963         (phi_translate_1): ... this.
2964         (phi_translate): Move all caching here.  Cache all NARY
2965         and REFERENCE translations.
2966
2967 2010-03-19  David S. Miller  <davem@davemloft.net>
2968
2969         With help from Eric Botcazou.
2970         * config/sparc/sparc.c: Include dwarf2out.h.
2971         (emit_pic_helper): Delete.
2972         (pic_helper_symbol_name): Delete.
2973         (pic_helper_emitted_p): Delete.
2974         (pic_helper_needed): New.
2975         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2976         (get_pc_thunk_name): New.
2977         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2978         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2979         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2980         (sparc_expand_prologue): Update load_pic_register call.
2981         (sparc_output_mi_thunk): Likewise.
2982         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2983         thunk if possible.  Output CFI information as needed.
2984
2985 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2986             Jack Howarth <howarth@bromo.med.uc.edu>
2987
2988         PR target/36399
2989         * config/i386/i386.h: Fix ABI on darwin x86-32.
2990
2991 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2992
2993         * tree.h: Declare make_decl_rtl_for_debug.
2994         * varasm.c (make_decl_rtl_for_debug): New.
2995         * dwarf2out.c (rtl_for_decl_location): Call it.
2996         * cfgexpand.c (expand_debug_expr): Call it.
2997
2998 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2999
3000         PR bootstrap/43399
3001         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3002         mem_mode.
3003
3004         PR bootstrap/43403
3005         * var-tracking.c (vt_init_cfa_base): Do nothing if
3006         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3007
3008 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3009
3010         PR debug/42873
3011         * var-tracking.c (canonicalize_vars_star): New.
3012         (dataflow_post_merge_adjust): Use it.
3013
3014 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3015
3016         PR debug/43058
3017         * var-tracking.c (non_suitable_const): New function.
3018         (add_uses): For DEBUG_INSNs with constants, don't record any
3019         value, instead just the constant value itself.
3020         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3021         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3022         (emit_notes_in_bb): Likewise.
3023         (emit_note_insn_var_location): For onepart variables if
3024         cur_loc is a VOIDmode constant, use DECL_MODE.
3025
3026 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3027
3028         PR middle-end/42450
3029         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3030         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3031         all non-clones.  Moved call redirection...
3032         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3033         (cgraph_materialize_all_clones): Dispose of all
3034         combined_args_to_skip bitmaps.
3035         (verify_cgraph_node): Do not check for edges pointing to wrong
3036         nodes in inline clones.
3037         * tree-inline.c (copy_bb): Call
3038         cgraph_redirect_edge_call_stmt_to_callee.
3039         * ipa.c (cgraph_remove_unreachable_nodes): Call
3040         cgraph_node_remove_callees even when there are used clones.
3041
3042 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3043
3044         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3045
3046 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3047
3048         PR target/43383
3049         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3050         for 32bit.
3051
3052 2010-03-18  Michael Matz  <matz@suse.de>
3053
3054         PR middle-end/43419
3055         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3056         into sqrt(x) if we need to preserve signed zeros.
3057
3058 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3059             Eric Botcazou  <ebotcazou@adacore.com>
3060
3061         PR rtl-optimization/43360
3062         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3063         note if we don't know its invariant status.
3064
3065 2010-03-18  Michael Matz  <matz@suse.de>
3066
3067         PR tree-optimization/43402
3068         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3069         PHI chains of ssa names registered for update.
3070
3071 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3072
3073         PR target/42427
3074         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3075         non-offsettable and pre_modify update addressing.
3076         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3077         and "2" alternatives "#".
3078         (*movdd_softfloat32): Make all alternatives "#";
3079         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3080         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3081         (*movdf_softfloat32): Make all alternatives "#";
3082         (movdi): Use the new DIFD mode iterator to create a common splitter
3083         for movdi, movdf and movdd patterns.
3084
3085 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3086
3087         * common.opt (dumpdir): Remove redundant tab.
3088
3089 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3090
3091         PR tree-optimization/43347
3092         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3093         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3094
3095 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3096
3097         PR rtl-optimization/42216
3098         * regrename.c (create_new_chain): New function, broken out from...
3099         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3100         appending a use to an empty chain.
3101         (build_def_use): Remove previous changes that convert OP_INOUT to
3102         OP_OUT operands; instead detect the case where an OP_INOUT operand
3103         uses a previously untracked register and create an empty chain for it.
3104
3105 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3106
3107         * doc/extend.texi (Function Attributes): Rewrite unfinished
3108         sentence in ms_abi documentation.
3109
3110 2010-03-17  Alan Modra  <amodra@gmail.com>
3111
3112         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3113         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3114         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3115         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3116
3117 2010-03-16  Richard Henderson  <rth@redhat.com>
3118
3119         PR middle-end/43365
3120         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3121         (lower_try_finally): Save and restore eh_seq around the expansion
3122         of the try-finally.
3123
3124 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3125
3126         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3127         statements before splitting block.
3128
3129 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3130
3131         * doc/sourcebuild.texi (Testsuites): Fix markup.
3132         Use pathnames relative to gcc/testsuite.
3133         (Test Directives): Move description of how timeout is determined.
3134         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3135         (C Tests): Correct gcc.misc-tests directory.
3136         Framework tests now live in gcc.test-framework.
3137
3138 2010-03-16  Richard Guenther  <rguenther@suse.de>
3139
3140         PR middle-end/43379
3141         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3142         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3143
3144 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3145             Alexandre Oliva  <aoliva@redhat.com>
3146
3147         PR tree-optimization/42917
3148         * lambda-code.c (remove_iv): Skip debug statements.
3149         (lambda_loopnest_to_gcc_loopnest): Likewise.
3150         (not_interesting_stmt): Debug statements are not interesting.
3151
3152 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3153
3154         PR debug/43051
3155         PR debug/43092
3156         * cselib.c (cselib_preserve_constants,
3157         cfa_base_preserved_val): New static variables.
3158         (preserve_only_constants): New function.
3159         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3160         clear its REG_VALUES.  If cselib_preserve_constants, don't
3161         empty the whole hash table, but preserve there VALUEs with constants,
3162         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3163         (cselib_preserve_cfa_base_value): New function.
3164         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3165         (cselib_init): Change argument to int bitfield.  Set
3166         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3167         is in it.
3168         (cselib_finish): Clear cselib_preserve_constants and
3169         cfa_base_preserved_val.
3170         * cselib.h (enum cselib_record_what): New enum.
3171         (cselib_init): Change argument to int.
3172         (cselib_preserve_cfa_base_value): New prototype.
3173         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3174         * dse.c (dse_step1): Likewise.
3175         * cfgcleanup.c (thread_jump): Likewise.
3176         * sched-deps.c (sched_analyze): Likewise.
3177         * gcse.c (local_cprop_pass): Likewise.
3178         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3179         If FN is non-NULL, call the callback always and whenever it returns
3180         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3181         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3182         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3183         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3184         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3185         * var-tracking.c: Include recog.h.
3186         (bb_stack_adjust_offset): Remove.
3187         (vt_stack_adjustments): Don't call it, instead just gather the
3188         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3189         (adjust_stack_reference): Remove.
3190         (compute_cfa_pointer): New function.
3191         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3192         (struct adjust_mem_data): New type.
3193         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3194         functions.
3195         (get_address_mode): New function.
3196         (replace_expr_with_values): Use it.
3197         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3198         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3199         (adjust_sets): Remove.
3200         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3201         Use get_address_mode.
3202         (get_adjusted_src): Remove.
3203         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3204         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3205         (add_with_sets): Don't call adjust_sets.
3206         (fp_setter, vt_init_cfa_base): New functions.
3207         (vt_initialize): Change return type to bool.  Move most of pool etc.
3208         initialization to the beginning of the function from end.  Pass
3209         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3210         If !frame_pointer_needed, call vt_stack_adjustment before mos
3211         vector is filled, call vt_init_cfa_base if argp/framep has been
3212         eliminated to sp.  If frame_pointer_needed and argp/framep has
3213         been eliminated to hard frame pointer, set
3214         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3215         encountering fp setter in the prologue.  For MO_ADJUST, call
3216         log_op_type before pusing the op into mos vector, not afterwards.
3217         Call adjust_insn before cselib_process_insn/add_with_sets,
3218         call cancel_changes (0) afterwards.
3219         (variable_tracking_main_1): Adjust for vt_initialize calling
3220         vt_stack_adjustments and returning whether it succeeded or not.
3221
3222 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3223
3224         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3225         debug statements.
3226
3227 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3228
3229         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3230         has been set.
3231         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3232         drap_reg has not been set.
3233
3234 2010-03-15  Michael Matz  <matz@suse.de>
3235
3236         PR middle-end/43300
3237         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3238         use it to expand block copies.
3239         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3240         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3241         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3242
3243 2010-03-15  Richard Guenther  <rguenther@suse.de>
3244
3245         PR tree-optimization/43367
3246         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3247         elimination check.
3248
3249 2010-03-15  Richard Guenther  <rguenther@suse.de>
3250
3251         PR tree-optimization/43317
3252         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3253
3254 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3255
3256         PR tree-optimization/43141
3257         * tree-sra.c (create_abstract_origin): New function.
3258         (modify_function): Call create_abstract_origin.
3259
3260 2010-03-15  Chris Demetriou  <cgd@google.com>
3261
3262         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3263         wasn't copied.
3264
3265 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3266
3267         PR middle-end/43354
3268         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3269         call insert_out_of_ssa_copy for default definitions.
3270
3271 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * graphite-clast-to-gimple.c (my_long_long): Defined.
3274         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3275         * graphite-sese-to-poly.c (my_long_long): Defined.
3276         (scop_ivs_can_be_represented): Use it.
3277
3278 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3279
3280         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3281         graphite-max-bbs-per-function, and loop-block-tile-size.
3282         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3283         with "maximum".
3284         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3285
3286 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3287
3288         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3289         forward declaration.
3290         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3291         (add_upper_bounds_from_estimated_nit): New.
3292         (build_loop_iteration_domains): Use it.
3293
3294 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3295
3296         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3297
3298 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3299
3300         PR middle-end/43306
3301         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3302         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3303
3304 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3305
3306         * graphite.c (graphite_initialize): To bound the number of bbs per
3307         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3308         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3309         * doc/invoke.texi: Document it.
3310
3311 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3314         * graphite-sese-to-poly.h (build_poly_scop): Same.
3315
3316 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3319         the number of parameters in the scop.  Use as an upper bound
3320         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3321         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3322         * doc/invoke.texi: Document it.
3323
3324 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3325
3326         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3327         * doc/c-tree.texi: Remove.
3328         * doc/generic.texi: Merge c-tree.texi here.
3329         * doc/gccint.texi (Trees): Remove menu entry.
3330         (c-tree.texi): Remove @include.
3331         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3332         * doc/languages.texi (Reading RTL): Ditto.
3333
3334 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3335
3336         PR target/42869
3337         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3338
3339 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3340
3341         PR middle-end/42431
3342         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3343         code added to work around reload clobbering CONST insns.
3344
3345 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3346
3347         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3348         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3349         (cselib_preserve_only_values): Remove retain argument, don't
3350         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3351         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3352         * var-tracking.c (micro_operation): Move insn field before union.
3353         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3354         (struct variable_tracking_info_def): Remove n_mos field, change
3355         mos into a vector of micro_operations.
3356         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3357         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3358         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3359         changing into a vector.
3360         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3361         come before all other uops generated by add_stores.
3362         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3363         argument removal.
3364         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3365         a vector.  Run just one pass over the bbs instead of separate counting
3366         and computation phase.
3367         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3368
3369         PR debug/43329
3370         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3371         into *nonlocalized_list vector.
3372         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3373         even if origin is non-NULL.
3374         (gen_variable_die): Likewise.
3375         (process_scope_var): Don't change origin.
3376         (gen_decl_die): Likewise.
3377         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3378         before adding new edges instead of after it, fix moving over
3379         debug stmts.
3380
3381 2010-03-11  David S. Miller  <davem@davemloft.net>
3382
3383         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3384         of four.
3385         * configure: Rebuild.
3386
3387 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3388
3389         PR tree-optimization/43257
3390         * tree.c (assign_assembler_name_if_neeeded): New function.
3391         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3392         above new function.
3393         * tree.h (assign_assembler_name_if_neeeded): Declare.
3394         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3395         the function if needed.
3396
3397 2010-03-11  Chris Demetriou  <cgd@google.com>
3398
3399         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3400         include/stdint-gcc.h, and include/stdint.h world-readable.
3401
3402 2010-03-11  Richard Guenther  <rguenther@suse.de>
3403
3404         PR tree-optimization/43255
3405         * tree-vrp.c (process_assert_insertions_for): Do not insert
3406         asserts for trivial conditions.
3407
3408 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3409
3410         PR tree-optimization/43280
3411         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3412         generation.  Move calculation of size out of the if branch.
3413         (find_bswap): Modify compare number generation.
3414
3415 2010-03-11  Richard Guenther  <rguenther@suse.de>
3416
3417         PR lto/43200
3418         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3419         (input_gimple_stmt): Fixup handled component types during
3420         operand read.  Also fix up decls in ADDR_EXPRs.
3421
3422 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3423
3424         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3425         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3426
3427 2010-03-10  Jan Hubicka  <jh@suse.cz>
3428
3429         PR c/43288
3430         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3431         * varasm.c (get_variable_section): Don't do that here...
3432         (make_decl_rtl): ... and here.
3433         (do_assemble_alias): Produce decl RTL.
3434         (assemble_alias): Likewise.
3435
3436 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3437
3438         PR debug/43290
3439         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3440         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3441         of fde->vdrap_reg.
3442         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3443         (based_loc_descr): Only express drap or vdrap regno based expressions
3444         using DW_OP_fbreg when not optimizing.
3445         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,