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Add missing comma.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2
3         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
4
5 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
6
7         * config/i386/i386.md (x86_shrd): Add athlon_decode and
8         amdfam10_decode attributes.
9
10 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
11
12         PR middle-end/43570
13         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
14         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
15         (lower_copyprivate_clauses): Use private var in outer
16         context instead of original var.  Make sure the types
17         are correct for VLAs.
18
19 2010-04-21  Richard Guenther  <rguenther@suse.de>
20
21         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
22         to non-pointer objects.
23
24 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
25
26         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
27         last chain entry if it starts with the still current label.
28         (add_location_or_const_value_attribute): Check that
29         loc_list->first->next is NULL instead of comparing ->first with
30         ->last.
31         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
32         to add_var_loc_to_decl.
33
34         * dwarf2out.c (output_call_frame_info): For dw_cie_version
35         >= 4 add also address size and segment size fields into CIE
36         header.
37
38         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
39         long as address size is the same as sizeof (void *) and
40         segment size is 0.
41         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
42         address size or segment size is unexpected, return DW_EH_PE_omit.
43         (classify_object_over_fdes): If get_cie_encoding returned
44         DW_EH_PE_omit, return -1.
45         (init_object): If classify_object_over_fdes returned -1,
46         pretend there were no FDEs at all.
47
48 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
49
50         * config/i386/i386.md (bswap<mode>2): Macroize expander from
51         bswap{si,di}2 using SWI48 mode iterator.
52         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
53         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
54         set modrm attribute of bswap insn to 0 and remove length attribute.
55         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
56         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
57         set mode attribute to <MODE> and remove length attribute.
58
59 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
60
61         PR rtl-optimization/43520
62         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
63         zero available registers.
64
65 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
66
67         * builtins.c (fold_builtin_cproj): Fold more cases.
68
69 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
70
71         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
72         (fold_builtin_1): Fold builtin cproj.
73         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
74         Use ATTR_CONST_NOTHROW_LIST.
75
76 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
77
78         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
79         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
80         ffsi2_no_cmove for !TARGET_CMOVE.
81         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
82         (ffssi2): Remove expander.
83         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
84         mode iterator.
85         (ctz<mode>2): Ditto from ctz{si,di}2.
86         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
87         mode iterator.
88         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
89         mode iterator.
90
91 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
92
93         * dwarf2out.c (AT_linkage_name): Define.
94         (clone_as_declaration): Handle DW_AT_linkage_name.
95         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
96         of DW_AT_MIPS_linkage_name.
97         (move_linkage_attr): Likewise.
98         (dwarf2out_finish): Likewise.
99
100 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
101
102         PR middle-end/41952
103         * fold-const.c (fold_comparison): New folding rule.
104
105 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
106
107         * double-int.h (double_int_setbit): Declare.
108         * double-int.c (double_int_setbit): New function.
109         * rtl.h (immed_double_int_const): Declare.
110         * emit-rtl.c (immed_double_int_const): New function.
111         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
112         and immed_double_int_const functions.
113         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
114         expand_copysign_bit):  (Ditto.).
115         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
116         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
117         * dojump.c (prefer_and_bit_test): (Ditto.).
118         * expr.c (convert_modes, reduce_to_bit_field_precision,
119         const_vector_from_tree): (Ditto.).
120         * expmed.c (mask_rtx, lshift_value): (Ditto.).
121
122 2010-04-20  Jan Hubicka  <jh@suse.cz>
123
124         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
125         (dump_cgraph_node): Dump new flags.
126         * cgraph.h (struct cgraph_node): Add flags
127         reachable_from_other_partition and in_other_partition.
128         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
129         other partition can not be removed.
130         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
131         the other partition must be output; silence sanity checking on
132         leaking functions bodies from other paritition.
133         * lto-cgraph.c (reachable_from_other_partition_p): New function.
134         (lto_output_node): Output new flags; do not sanity check that inline
135         clones are output; drop lto_forced_extern_inline_p code; do not mock
136         visibility flags at partition boundaries.
137         (add_node_to): New function.
138         (output_cgraph): Use it to sort functions so masters appear before
139         clones.
140         (input_overwrite_node): Input new flags.
141         * passes.c (ipa_write_summaries): Do not call
142         lto_new_extern_inline_states.
143         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
144         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
145         lto_forced_extern_inline_p): Kill.
146         * lto-streamer.h (lto_new_extern_inline_states,
147         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
148         lto_forced_extern_inline_p): Kill.
149
150 2010-04-20  Richard Guenther  <rguenther@suse.de>
151
152         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
153         from vars that can have pointers.
154         (process_constraint): Dump useless constraints.
155
156 2010-04-20  Richard Guenther  <rguenther@suse.de>
157
158         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
159         (dump_sa_points_to_info): Remove asserts.
160         (init_base_vars): nothing_id isn't an escape point nor does it
161         have pointers.
162
163 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
164
165         * tree.h (TYPE_REF_IS_RVALUE): Define.
166         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
167         should_move_die_to_comdat, prune_unused_types_walk): Handle
168         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
169         (modified_type_die, gen_reference_type_die): Emit
170         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
171         if TYPE_REF_IS_RVALUE and -gdwarf-4.
172
173 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
174
175         PR target/43635
176         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
177         calls for -fpic -m31 if they have been sibcall optimized.
178
179 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
180
181         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
182         ar.lc fixed and call-used.
183
184         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
185
186 2010-04-19  Jan Hubicka  <jh@suse.cz>
187
188         * opts.c (decode_options): Disable whpr incompatible passes.
189         * lto/lto.c (lto_1_to_1_map): Skip clones.
190         (read_cgraph_and_symbols): Do not mark everything as needed.
191         (do_whole_program_analysis): Do map only after optimizing;
192         set proper cgraph_state; use passmanager.
193
194 2010-04-19  DJ Delorie  <dj@redhat.com>
195
196         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
197         POINTER_PLUS_EXPR and fix them.
198
199 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
200
201         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
202         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
203         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
204         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
205         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
206         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
207         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
208         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
209         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
210         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
211         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
212
213 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
214
215         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
216         (check_cond_move_block): Likewise.
217         (cond_move_process_if_block): Likewise.
218         (noce_find_if_block): Improve formatting.
219         (find_if_header): Pass 0 to memset and tweak conditions.
220         (cond_exec_find_if_block): Fix long lines and tweak conditions.
221
222 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
223
224         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
225         for -gdwarf-4.
226
227         PR middle-end/43337
228         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
229         with non-local decl doesn't need chain.
230
231 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
232
233         * ira-color.c (allocno_reload_assign): Avoid accumulating
234         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
235
236 2010-04-19  Martin Jambor  <mjambor@suse.cz>
237
238         * gimple.h (create_tmp_reg): Declare.
239         * gimplify.c (create_tmp_reg): New function.
240         (gimplify_return_expr): Use create_tmp_reg.
241         (gimplify_omp_atomic): Likewise.
242         (gimple_regimplify_operands): Likewise.
243         * tree-dfa.c (make_rename_temp): Likewise.
244         * tree-predcom.c (predcom_tmp_var): Likewise.
245         (reassociate_to_the_same_stmt): Likewise.
246         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
247         (get_replaced_param_substitute): Likewise.
248         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
249         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
250         * tree-ssa-pre.c (get_representative_for): Likewise.
251         (create_expression_by_pieces): Likewise.
252         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
253         (create_tailcall_accumulator): Likewise.
254
255 2010-04-19  Martin Jambor  <mjambor@suse.cz>
256
257         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
258         new_stmt.
259         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
260
261 2010-04-19  Richard Guenther  <rguenther@suse.de>
262
263         PR tree-optimization/43796
264         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
265         from SCEV in the lattice.
266         (vrp_visit_phi_node): Dump change.
267
268 2010-04-19  Richard Guenther  <rguenther@suse.de>
269
270         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
271         * configure: Re-generated.
272
273 2010-04-19  Richard Guenther  <rguenther@suse.de>
274
275         PR tree-optimization/43783
276         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
277         constant ARRAY_REF operands two and three if possible.
278
279 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
280
281         PR target/43766
282         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
283
284 2010-04-19  Jie Zhang  <jie@codesourcery.com>
285
286         PR target/43662
287         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
288
289 2010-04-19 Ira Rosen <irar@il.ibm.com>
290
291         PR tree-optimization/37027
292         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
293         and macro to access it.
294         (vectorizable_reduction): Add argument.
295         (vect_get_slp_defs): Likewise.
296         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
297         statements for possible use in SLP.
298         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
299         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
300         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
301         add new argument.
302         (vectorizable_reduction): Likewise.
303         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
304         vect_get_slp_defs.
305         (vectorizable_type_demotion, vectorizable_type_promotion,
306         vectorizable_store): Likewise.
307         (vect_analyze_stmt): Update call to vectorizable_reduction.
308         (vect_transform_stmt): Likewise.
309         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
310         (vect_build_slp_tree): Fix indentation. Check that there are no loads
311         from different interleaving chains in same node.
312         (vect_slp_rearrange_stmts): New function.
313         (vect_supported_load_permutation_p): Allow load permutations for
314         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
315         inside SLP nodes if necessary.
316         (vect_analyze_slp_instance): Handle reductions.
317         (vect_analyze_slp): Try to build SLP instances originating from groups
318         of reductions.
319         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
320         (vect_get_constant_vectors): Create initial vectors for reductions
321         according to reduction code. Add new argument.
322         (vect_get_slp_defs): Add new argument, pass it to
323         vect_get_constant_vectors.
324         (vect_schedule_slp_instance): Remove SLP tree root statements.
325
326 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
327
328         * tree.h (ENUM_IS_SCOPED): Define.
329         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
330         for ENUM_IS_SCOPED enums.
331
332 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
333
334         * fold-const.c (fold_comparison): Use ssizetype.
335         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
336         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
337         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
338         * tree-object-size.c (compute_object_sizes): Use size_type_node.
339
340         * tree.h (initialize_sizetypes): Remove parameter.
341         (build_common_tree_nodes): Remove second parameter.
342         * stor-layout.c (initialize_sizetypes): Remove parameter.
343         Always create an unsigned type.
344         (set_sizetype): Assert that the passed type is unsigned and simplify.
345         * tree.c (build_common_tree_nodes): Remove second parameter.
346         Adjust call to initialize_sizetypes.
347         * c-decl.c (c_init_decl_processing): Remove second argument in call to
348         build_common_tree_nodes.
349
350 2010-04-18  Matthias Klose  <doko@ubuntu.com>
351
352         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
353
354 2010-04-18 Ira Rosen <irar@il.ibm.com>
355
356         PR tree-optimization/43771
357         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
358         load permutation doesn't have gaps.
359
360 2010-04-18  Jan Hubicka  <jh@suse.cz>
361
362         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
363         (sse_prologue_save_insn expander): Use new pattern.
364         (sse_prologue_save_insn1): New pattern and splitter.
365         (sse_prologue_save_insn): Update to deal also with 64bit aligned
366         blocks.
367         * i386.c (setup_incoming_varargs_64): Do not compute jump
368         destination here.
369         (ix86_gimplify_va_arg): Update alignment needed.
370         (ix86_local_alignment): Do not align all local arrays to 128bit.
371
372 2010-04-17  Jan Hubicka  <jh@suse.cz>
373
374         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
375
376 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
377
378         * arm.md (negdi2): Remove redundant code to force values into a
379         register.
380
381 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
382
383         * arm/bpabi.S: Add EABI alignment attributes to objects.
384         * arm/bpabi-v6m.S: Likewise.
385         * arm/crti.asm: Likewise.
386         * arm/crtn.asm: Likewise.
387         * arm/lib1funcs.asm: Likewise.
388         * arm/libunwind.S: Likewise.
389
390 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
391
392         * arm-protos.h (tune_params): New structure.
393         * arm.c (current_tune): New variable.
394         (arm_constant_limit): Delete.
395         (struct processors): Add pointer to the tune parameters.
396         (arm_slowmul_tune): New tuning option.
397         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
398         (all_cores): Adjust to pick up the tuning model.
399         (arm_constant_limit): New function.
400         (arm_override_options): Select the appropriate tuning model.  Delete
401         initialization of arm_const_limit.
402         (arm_split_constant): Use the new constant-limit model.
403         (arm_rtx_costs): Pick up the current tuning model.
404         * arm.md (is_strongarm, is_xscale): Delete.
405         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
406         for Xscale variant architectures.
407         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
408
409 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
410
411         * config/arm/arm.c (arm_gen_constant): Remove unused variable
412         can_shift.
413         (arm_rtx_costs_1): Remove unused variable extra_cost.
414         (arm_unwind_emit_set): Use variable offset.
415         (thumb1_output_casesi): Remove unused variable flags.
416
417 2010-04-16  Jeff Law  <law@redhat.com>
418
419         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
420         needing assignment rather than doing a two-phase assignment.  Remove
421         unused variable 'm'.
422
423 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
424
425         PR bootstrap/43767
426         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
427
428 2010-04-16  Doug Kwan  <dougkwan@google.com>
429
430         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
431         (next_operand_entry_id): New static variable.
432         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
433         (add_to_ops_vec): Assigned unique ID to operand entry.
434         (struct oecount_s): New field ID.
435         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
436         (undistribute_ops_list): Assign unique IDs to oecounts.
437         (init_reassoc): reset next_operand_entry_id.
438
439 2010-04-16  Doug Kwan  <dougkwan@google.com>
440
441         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
442         missing left parenthesis.
443
444 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
445
446         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
447         *btdi_rex64 using SWI48 mode iterator.
448         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
449         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
450         *jcc_btdi_mask_rex64.
451
452 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
453
454         * double-int.h (tree_to_double_int): Convert to macro.
455         * double-int.c (tree_to_double_int): Remove.
456
457 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
458
459         PR debug/43762
460         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
461         with want_address 2 and in case a single element list might be
462         possible, call it again with want_address 0.
463
464 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
465
466         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
467         case 'W' print operands for HI mode.
468         * config/h8300/h8300.h (Y0, Y2) : New constraints.
469         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
470         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
471         * config/h8300/predicate.md (bit_register_indirect_operand): New.
472
473         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
474
475         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
476         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
477         #xx:3 and #xx:4 mode.
478
479         * config/h8300/h8300.md (inverted load with HImode dest): Add
480         support for H8300SX.
481
482         * config/h8300/predicate.md (bit_operand): Allow immediate values that
483         satisfy 'U' constraint.
484
485 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
486
487         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
488         * configure: Regenerate.
489         * config.in: Regenerate.
490         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
491         works.
492
493 2010-04-16  Richard Guenther  <rguenther@suse.de>
494
495         * tree.h (struct tree_decl_minimal): Move pt_uid ...
496         (struct tree_decl_common): ... here.
497         (DECL_PT_UID): Adjust.
498         (SET_DECL_PT_UID): Likewise.
499         (DECL_PT_UID_SET_P): Likewise.
500
501 2010-04-16  Richard Guenther  <rguenther@suse.de>
502
503         PR tree-optimization/43572
504         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
505         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
506         * tree-flow.h (is_call_clobbered): Remove.
507         * tree-flow-inline.h (is_call_clobbered): Likewise.
508         * tree-dfa.c (dump_variable): Do not dump call clobber state.
509         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
510         (execute_return_slot_opt): Adjust.
511         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
512         check for call clobbered vars here.
513         (find_tail_calls): Move tailcall verification to the
514         proper place.
515
516 2010-04-16  Diego Novillo  <dnovillo@google.com>
517
518         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
519
520 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
521
522         PR target/40603
523         * config/arm/arm.md (cbranchqi4): New pattern.
524         * config/arm/predicates.md (const0_operand,
525         cbranchqi4_comparison_operator): New predicates.
526
527 2010-04-16  Richard Guenther  <rguenther@suse.de>
528
529         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
530         (dump_gimple_stmt): Likewise.
531
532 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
533
534         * recog.h (struct recog_data): New field is_operator.
535         (struct insn_operand_data): New field is_operator.
536         * recog.c (extract_insn): Set recog_data.is_operator.
537         * genoutput.c (output_operand_data): Emit code to set the
538         is_operator field.
539         * reload.c (find_reloads): Use it rather than testing for an
540         empty constraint string.
541
542         PR target/41514
543         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
544         If the previous insn is a cbranchsi4_insn with the same arguments,
545         omit the compare instruction.
546
547         * config/arm/arm.md (addsi3_cbranch): If destination is a high
548         register, inputs must be low registers and we need a low register
549         scratch.  Handle alternative 2 like alternative 3.
550
551 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
552
553         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
554         don't call get_addr on both.  If one expression is a VALUE and
555         the other a REG, check VALUE's locs if the REG isn't among them.
556
557 2010-04-16  Christian Bruel  <christian.bruel@st.com>
558
559         * config/sh/sh.h (sh_frame_pointer_required): New function.
560         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
561         (flag_omit_frame_pointer) Set.
562         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
563         (rounded_frame_size): Adjust size with outgoing_args_size.
564         (sh_set_return_address): Must return from stack pointer.
565         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
566         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
567         (ACCUMULATE_OUTGOING_ARGS): Define.
568         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
569         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
570
571 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
572
573         PR target/43471
574         * config/sh/sh.c (sh_legitimize_reload_address): Use
575         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
576         Remove a unneeded check for offset_base.
577
578 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
579
580         * configure: Regenerated.
581
582 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
583
584         * config/s390/s390.c (s390_call_save_register_used): Switch back
585         to HARD_REGNO_NREGS.
586
587 2010-04-15  Richard Guenther  <rguenther@suse.de>
588
589         * alias.c (alias_set_subset_of): Handle alias-set zero
590         child properly.
591
592 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
593             Julian Brown  <julian@codesourcery.com>
594
595         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
596         alternatives according to use of high and low regs.
597         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
598         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
599         optimizing for size on Thumb-2.
600
601 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
602
603         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
604
605 2010-04-15  Richard Guenther  <rguenther@suse.de>
606
607         * tree-ssa-structalias.c (struct variable_info): Add
608         is_fn_info flag.
609         (new_var_info): Initialize it.
610         (dump_constraints): Support printing last added constraints.
611         (debug_constraints): Adjust.
612         (dump_constraint_graph): Likewise.
613         (make_heapvar_for): Check for NULL cfun.
614         (get_function_part_constraint): New function.
615         (get_fi_for_callee): Likewise.
616         (find_func_aliases): Properly implement IPA PTA constraints.
617         (process_ipa_clobber): New function.
618         (find_func_clobbers): Likewise.
619         (insert_into_field_list_sorted): Remove.
620         (create_function_info_for): Properly allocate vars for IPA mode.
621         Do not use insert_into_field_list_sorted.
622         (create_variable_info_for): Properly generate constraints for
623         global vars in IPA mode.
624         (dump_solution_for_var): Always dump the solution.
625         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
626         (find_what_var_points_to): Adjust.
627         (pt_solution_set): Change.
628         (pt_solution_ior_into): New function.
629         (pt_solution_empty_p): Export.
630         (pt_solution_includes_global): Adjust.
631         (pt_solution_includes_1): Likewise.
632         (pt_solutions_intersect_1): Likewise.
633         (dump_sa_points_to_info): Check some invariants.
634         (solve_constraints): Move constraint dumping ...
635         (compute_points_to_sets): ... here.
636         (ipa_pta_execute): ... and here.
637         (compute_may_aliases): Do not re-compute points-to info
638         locally if IPA info is available.
639         (ipa_escaped_pt): New global var.
640         (ipa_pta_execute): Properly implement IPA PTA.
641         * tree-into-ssa.c (dump_decl_set): Support dumping
642         decls not in referenced-vars.
643         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
644         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
645         (dump_points_to_solution): Likewise.
646         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
647         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
648         (remap_gimple_stmt): Reset call clobber/use information if necessary.
649         (copy_decl_to_var): Copy DECL_PT_UID.
650         (copy_result_decl_to_var): Likewise.
651         * tree.c (make_node_stat): Initialize DECL_PT_UID.
652         (copy_node_stat): Copy it.
653         * tree.h (DECL_PT_UID): New macro.
654         (SET_DECL_PT_UID): Likewise.
655         (DECL_PT_UID_SET_P): Likewise.
656         (struct tree_decl_minimal): Add pt_uid member.
657         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
658         (pt_solution_empty_p): Declare.
659         (pt_solution_set): Adjust.
660         (ipa_escaped_pt): Declare.
661         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
662         * gimple-pretty-print.c (pp_points_to_solution): New function.
663         (dump_gimple_call): Dump call clobber/use information.
664         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
665         * tree-pass.h (TDF_ALIAS): New dump option.
666         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
667         * doc/invoke.texi (-fipa-pta): Update documentation.
668
669 2010-04-15  Richard Guenther  <rguenther@suse.de>
670
671         * Makefile.in (OBJS-common): Add gimple-fold.o.
672         (gimple-fold.o): New rule.
673         * tree.h (maybe_fold_offset_to_reference,
674         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
675         prototypes ...
676         * gimple.h: ... here.
677         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
678         may_propagate_address_into_dereference): Move prototypes ...
679         * gimple.h: ... here.
680         * tree-ssa-ccp.c (get_symbol_constant_value,
681         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
682         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
683         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
684         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
685         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
686         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
687         gimplify_and_update_call_from_tree): Move ...
688         * gimple-fold.c: ... here.  New file.
689         (ccp_fold_builtin): Rename to ...
690         (gimple_fold_builtin): ... this.
691         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
692
693 2010-04-15  Richard Guenther  <rguenther@suse.de>
694
695         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
696         fit_double_type, force_fit_type_double, add_double_with_sign,
697         neg_double, mul_double_with_sign, lshift_double, rshift_double,
698         lrotate_double, rrotate_double, div_and_round_double): Move ...
699         * double-int.c: ... here.
700         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
701         add_double, neg_double, mul_double_with_sign, mul_double,
702         lshift_double, rshift_double, lrotate_double, rrotate_double,
703         div_and_round_double): Move prototypes ...
704         * double-int.h: ... here.
705
706 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
707
708         PR target/43742
709         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
710         matching constraints to ensure inputs match the output.
711
712 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
713
714         PR target/43742
715         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
716         in an input-only operand.
717
718 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
719
720         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
721         (double_int_not, double_int_lshift, double_int_rshift): Declare.
722         (double_int_negative_p): Convert to static inline function.
723         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
724         (double_int_negative_p): Remove.
725         * tree.h (lshift_double, rshift_double):
726         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
727         * fold-const.c (fold_convert_const_int_from_real,
728         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
729         (lshift_double): Change type of arith argument to bool.
730         (rshift_double): Change type of arith argument to bool. Correct
731         comment.
732         * expmed.c (mask_rtx, lshift_value): (Ditto.).
733
734 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
735
736         PR target/21803
737         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
738         at the start and end of the then/else blocks, and omit them from the
739         conversion.
740         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
741         argument; all callers changed.  Pass zero to old_insns_match_p instead.
742         (flow_find_head_matching_sequence): New function.
743         (old_insns_match_p): Check REG_EH_REGION notes for calls.
744         * basic-block.h (flow_find_cross_jump,
745         flow_find_head_matching_sequence): Declare functions.
746
747 2010-04-14  Jason Merrill  <jason@redhat.com>
748
749         PR c++/36625
750         * c-common.c (attribute_takes_identifier_p): New fn.
751         * c-common.h: Declare it.
752
753 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
754
755         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
756         splitter condition.
757         (*udivmod<mode>4): Ditto.
758
759 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
760
761         * config/i386/i386.md (maxmin_int): Rename code attribute from
762         maxminiprefix and update all users.
763         (maxmin_float): Ditto from maxminfprefix.
764         (logic): Ditto from logicprefix.
765         (absneg_mnemonic): Ditto from absnegprefix.
766         * config/i386/mmx.md: Update all users of maxminiprefix,
767         maxminfprefix and logicprefix for rename.
768         * config/i386/sse.md: Ditto.
769         * config/i386/sync.md (sync_<code><mode>): Update for
770         logicprefix rename.
771
772 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
773
774         PR 42966
775         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
776         warnings converted to errors.
777
778 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
779
780         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
781         used insn_type variable.
782         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
783         to avoid set-but-not-used warning.
784
785 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
786
787         * df-core.c (df_ref_debug): Change format string placeholder
788         from 0x%x to %#x.
789         * dwarf2asm.c (dw2_asm_output_data_raw,
790         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
791         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
792         * dwarf2out.c (output_cfi, output_cfi_directive,
793         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
794         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
795         Ditto.
796         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
797         * print-rtl.c (print_rtx): Ditto.
798
799 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
800
801         PR middle-end/42694
802         * builtins.c (expand_builtin_pow_root): New function to expand pow
803         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
804         series of sqrt and cbrt calls under -ffast-math.
805         (expand_builtin_pow): Call it.
806
807 2010-04-14  Michael Matz  <matz@suse.de>
808
809         PR tree-optimization/42963
810         * tree-cfg.c (touched_switch_bbs): New static variable.
811         (group_case_labels_stmt): New function broken out from ...
812         (group_case_labels): ... here, use the above.
813         (start_recording_case_labels): Allocate touched_switch_bbs.
814         (end_recording_case_labels): Deallocate it, call
815         group_case_labels_stmt.
816         (gimple_redirect_edge_and_branch): Remember index of affected BB.
817
818 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
819
820         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
821         from insn template.
822
823 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
824
825         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
826
827 2010-04-13  Jan Hubicka  <jh@suse.cz>
828
829         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
830         of optimized out static functions.
831         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
832         cost computation.  Also sanity check for overflows.
833         (update_caller_keys): Update cgraph_edge_badness call; properly
834         update fibheap and sanity check that it is up to date.
835         (add_new_edges_to_heap): Update cgraph_edge_badness.
836         (cgraph_decide_inlining_of_small_function): Likewise;
837         add sanity checking that badness in heap is up to date;
838         improve dumping of reason; Update badness of calls to the
839         offline copy of function currently inlined; dump badness
840         of functions not inlined because of unit growth limits.
841
842 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
843
844         PR middle-end/32628
845         * c-common.c (pointer_int_sum): Disregard overflow that occured only
846         because of sign-extension change when converting to sizetype here...
847         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
848
849         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
850         the folding to constants.  Remove redundant final conversion.
851         (fold_binary) <associate>: Do not associate if the re-association of
852         constants alone overflows.
853         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
854         to the end of the list.
855         (multiple_of_p) <COND_EXPR>: New case.
856
857 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
858
859         * opt-functions.awk (opt_sanitized_name): New.
860         (opt_enum): New.
861         * optc-gen.awk: Use it
862         * opth-gen.awk: Use it.
863
864 2010-04-13  Martin Jambor  <mjambor@suse.cz>
865
866         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
867         (sra_modify_assign): Delete stmts loading dead data even if racc has no
868         children.  Call replace_uses_with_default_def_ssa_name to handle
869         SSA_NAES on lhs.
870
871 2010-04-13  Michael Matz  <matz@suse.de>
872
873         PR middle-end/43730
874         * builtins.c (expand_builtin_interclass_mathfn): Also create
875         a register if the predicate doesn't match.
876
877 2010-04-13  Diego Novillo  <dnovillo@google.com>
878
879         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
880         * c-pch.c: Include timevar.h.
881         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
882         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
883         * ggc-common.c: Include timevar.h.
884         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
885         * timevar.def (TV_PCH_SAVE): Define.
886         (TV_PCH_CPP_SAVE): Define.
887         (TV_PCH_PTR_REALLOC): Define.
888         (TV_PCH_PTR_SORT): Define.
889         (TV_PCH_RESTORE): Define.
890         (TV_PCH_CPP_RESTORE): Define.
891
892 2010-04-13  Michael Matz  <matz@suse.de>
893
894         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
895         into MINUS_EXPRs.
896         (can_reassociate_p): New function.
897         (break_up_subtract_bb, reassociate_bb): Use it.
898
899 2010-04-13  Richard Guenther  <rguenther@suse.de>
900
901         PR bootstrap/43737
902         * builtins.c (c_readstr): Fix assert.
903
904 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
905
906         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
907         when generating cltd insn.
908
909         (*ashl<mode>3_1): Remove special handling for register operand 2.
910         (*ashlsi3_1_zext): Ditto.
911         (*ashlhi3_1): Ditto.
912         (*ashlhi3_1_lea): Ditto.
913         (*ashlqi3_1): Ditto.
914         (*ashlqi3_1_lea): Ditto.
915         (*<shiftrt_insn><mode>3_1): Ditto.
916         (*<shiftrt_insn>si3_1_zext): Ditto.
917         (*<shiftrt_insn>qi3_1_slp): Ditto.
918         (*<rotate_insn><mode>3_1): Ditto.
919         (*<rotate_insn>si3_1_zext): Ditto.
920         (*<rotate_insn>qi3_1_slp): Ditto.
921
922 2010-04-13  Richard Guenther  <rguenther@suse.de>
923
924         * tree-ssa-structalias.c (callused_id): Remove.
925         (call_stmt_vars): New.
926         (get_call_vi): Likewise.
927         (lookup_call_use_vi): Likewise.
928         (lookup_call_clobber_vi): Likewise.
929         (get_call_use_vi): Likewise.
930         (get_call_clobber_vi): Likewise.
931         (make_transitive_closure_constraints): Likewise.
932         (handle_const_call): Adjust to do per-call call-used handling.
933         (handle_pure_call): Likewise.
934         (find_what_var_points_to): Remove general callused handling.
935         (init_base_vars): Likewise.
936         (init_alias_vars): Initialize call_stmt_vars.
937         (compute_points_to_sets): Process call-used and call-clobbered
938         vars for call statements.
939         (delete_points_to_sets): Free call_stmt_vars.
940
941 2010-04-13  Richard Guenther  <rguenther@suse.de>
942
943         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
944         Only add RW dependence for dependence distance zero.
945         Adjust maximal vectorization factor according to dependences.
946         Move alignment handling ...
947         (vect_find_same_alignment_drs): ... here.  New function.
948         (vect_analyze_data_ref_dependences): Adjust.
949         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
950         (vect_analyze_data_refs): Adjust minimal vectorization factor
951         according to data references.
952         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
953         dependences before determining the vectorization factor.
954         Analyze alignment after determining the vectorization factor.
955         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
956         dependences before alignment.
957         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
958         Adjust prototype.
959         (vect_analyze_data_refs): Likewise.
960         (MAX_VECTORIZATION_FACTOR): New define.
961
962 2010-04-13  Duncan Sands  <baldrick@free.fr>
963
964         * except.h (lang_eh_type_covers): Remove.
965         * except.c (lang_eh_type_covers): Likewise.
966
967 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
968             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
969
970         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
971         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
972         UNITS_PER_LONG where it is ABI relevant.
973         (s390_return_addr_rtx): Likewise.
974         (s390_back_chain_rtx): Likewise.
975         (s390_frame_area): Likewise.
976         (s390_frame_info): Likewise.
977         (s390_initial_elimination_offset): Likewise.
978         (save_gprs): Likewise.
979         (s390_emit_prologue): Likewise.
980         (s390_emit_epilogue): Likewise.
981         (s390_function_arg_advance): Likewise.
982         (s390_function_arg): Likewise.
983         (s390_va_start): Likewise.
984         (s390_gimplify_va_arg): Likewise.
985         (s390_function_profiler): Likewise.
986         (s390_optimize_prologue): Likewise.
987         (s390_rtx_costs): Likewise.
988         (s390_secondary_reload): Likewise.
989         (s390_promote_function_mode): Likewise.
990         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
991         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
992         registers available.
993         (s390_unwind_word_mode): New function.
994         (s390_function_value): Split 64 bit values into register pair if
995         used as return value.
996         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
997         function call parameters.  Handle parallels.
998         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
999         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1000         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1001         (s390_expand_setmem): Remove unused variable src_addr.
1002         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1003         deal with 64 bit registers.
1004         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1005         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1006         (UNITS_PER_LONG): New macro.
1007         * libjava/include/s390-signal.h: Define extended ucontext
1008         structure containing the upper halfs of the 64 bit registers.
1009
1010 2010-04-13  Simon Baldwin  <simonb@google.com>
1011
1012         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1013
1014 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1015
1016         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1017         rvalue on the RHS if the LHS is of a non-renamable type.
1018         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1019
1020 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1021
1022         * gcc.c (cc1_options): Handle -iplugindir before processing
1023         the cc1 spec. Only add -iplugindir once.
1024         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1025         found.
1026         * common.opt (iplugindir): Remove `Separate' property, initialize.
1027         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1028         option.
1029         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1030         (distclean): Remove plugin dir.
1031         * doc/invoke.texi: Document -iplugindir.
1032
1033 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1034
1035         * doc/plugins.texi (Loading Plugins): Document short
1036         -fplugin=foo option.
1037         (Plugin API): Mention default_plugin_dir_name function.
1038
1039         * gcc.c (find_file_spec_function): Add new declaration.
1040         (static_spec_func): Use it for "find-file".
1041         (find_file_spec_function): Add new function.
1042         (cc1_options): Add -iplugindir option if -fplugin* options found.
1043
1044         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1045
1046         * plugin.c (add_new_plugin): Updated comment, and handle short
1047         plugin name.
1048         (default_plugin_dir_name): Added new function.
1049
1050         * common.opt (iplugindir): New option to set the plugin directory.
1051
1052 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1053
1054         * config/i386/i386.md (any_rotate): New code iterator.
1055         (rotate_insn): New code attribute.
1056         (rotate): Ditto.
1057         (SWIM124): New mode iterator.
1058         (<rotate_insn>ti3): New expander.
1059         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1060         any_rotate code iterator.
1061         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1062         using any_rotate code iterator and SWIM124 mode iterator.
1063         (ix86_rotlti3): New insn_and_split pattern.
1064         (ix86_rotrti3): Ditto.
1065         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1066         ix86_rotl{di,ti}3 patterns.
1067         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1068         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1069         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1070         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1071         code iterator and SWI mode iterator.
1072         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1073         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1074         code iterator.
1075         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1076         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1077         (bswap rotatert splitter): Add splitter.
1078         (bswap splitter): Macroize splitter using any_rotate code iterator.
1079         Add insn predicate to split only for TARGET_USE_XCHGB or when
1080         optimizing function for size.
1081
1082 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1083
1084         * config/pa/pa.c (emit_move_sequence): Remove use of
1085         deleted variable flag_argument_noalias.
1086
1087 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1088
1089         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1090         configurations.
1091         Add to unsupported targets list.
1092         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1093         sparc*-sun-solaris2.[567]* from target lists.
1094         * configure: Regenerate.
1095         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1096         removal.
1097         Remove Solaris 7 patch references.
1098         (Specific, sparc-sun-solaris2.7): Removed.
1099         (sparc-sun-solaris2*): Update Solaris 7 example.
1100         (sparc64-*-solaris2*): Likewise.
1101
1102 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1103
1104         * config.build (alpha*-dec-osf4*): Remove.
1105         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1106         of obsolete configurations.
1107         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1108         support.
1109         * config/alpha/t-osf4: Renamed to ...
1110         * config/alpha/t-osf5: ... this.
1111         * config/alpha/osf.h: Renamed to ...
1112         * config/alpha/osf5.h: ... this.
1113         Merged old osf5.h contents.
1114         Update comments.
1115         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1116         (EXTRA_SPECS): Removed.
1117         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1118         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1119         Document that.
1120
1121 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1122
1123         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1124
1125 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1126
1127         PR/43702
1128         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1129         __thiscall convention.
1130
1131 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1132
1133         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1134         orig_base.
1135         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1136
1137 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1138
1139         * function.c (assign_parms_initialize_all): Add unused attribute
1140         to fntype.
1141
1142 2010-04-12  Richard Guenther  <rguenther@suse.de>
1143
1144         * gsstruct.def (GSS_CALL): New.
1145         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1146         * gimple.h: Include tree-ssa-alias.h.
1147         (struct gimple_statement_call): New.
1148         (union gimple_statement_struct_d): Add gimple_call member.
1149         (gimple_call_reset_alias_info): Declare.
1150         (gimple_call_use_set): New function.
1151         (gimple_call_clobber_set): Likewise.
1152         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1153         * gimple.c (gimple_call_reset_alias_info): New function.
1154         (gimple_build_call_1): Call it.
1155         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1156         * tree-inline.c (remap_gimple_stmt): Likewise.
1157         (expand_call_inline): Remove callused handling.
1158         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1159         * tree-dfa.c (dump_variable): Likewise.
1160         * tree-parloops.c (parallelize_loops): Likewise.
1161         * tree-ssa.c (init_tree_ssa): Likewise.
1162         (delete_tree_ssa): Likewise.
1163         * tree-flow-inline.h (is_call_used): Remove.
1164         * tree-flow.h (struct gimple_df): Remove callused member.
1165         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1166         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1167         (ref_maybe_used_by_call_p_1): Simplify.
1168         (call_may_clobber_ref_p_1): Likewise.
1169         * tree-ssa-structalias.c (compute_points_to_sets): Set
1170         the call stmt used and clobbered sets.
1171         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1172         (find_tail_calls): Verify the tail call.
1173
1174 2010-04-12  Richard Guenther  <rguenther@suse.de>
1175
1176         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1177         single-iteration always-inline inlining.
1178         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1179         (cgraph_decide_inlining): Do not handle always-inline specially.
1180         (try_inline): Remove always-inline cycle detection special case.
1181         Do not recurse on always-inlines.
1182         (cgraph_early_inlining): Do not iterate if not optimizing.
1183         (cgraph_gate_early_inlining): remove.
1184         (pass_early_inline): Run unconditionally.
1185         (gate_cgraph_decide_inlining): New function.
1186         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1187         not inlining or optimizing.
1188         (cgraph_decide_inlining_of_small_functions): Also consider
1189         always-inline functions.
1190         (cgraph_default_inline_p): Return true for nodes which should
1191         disregard inline limits.
1192         (estimate_function_body_sizes): Assume zero size and time for
1193         nodes which are marked as disregarding inline limits.
1194         (cgraph_decide_recursive_inlining): Do not perform recursive
1195         inlining on always-inline nodes.
1196
1197 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1198
1199         PR bootstrap/43699
1200         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1201         for exprs satisfying handled_component_p.
1202
1203 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1204
1205         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1206         non-constant aggregate elements.
1207
1208         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1209         is a real initialization.
1210
1211 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1212
1213         PR c/36774
1214         * c-decl.c (start_function): Move forward check for nested function.
1215
1216 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1217
1218         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1219         * config/sh/sh.c: Include reload.h.
1220         (sh_legitimize_reload_address): New.
1221         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1222         sh_legitimize_reload_address.
1223
1224 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1225
1226         * config/sh/sh.md (*movqi_pop): New insn pattern.
1227         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1228
1229 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1230
1231         * config/i386/i386.md (any_shiftrt): New code iterator.
1232         (shiftrt_insn): New code attribute.
1233         (shiftrt): Ditto.
1234         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1235         using any_shiftrt code iterator.
1236         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1237         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1238         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1239         pattern from corresponding peephole2 patterns.
1240         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1241         using any_shiftrt code iterator.
1242         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1243         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1244         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1245         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1246         *{ashr,lshr}<mode>3_cmp_zext.
1247         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1248
1249 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1250
1251         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1252         scratch register.
1253         (*lshr<mode>3_cconly): Ditto.
1254
1255 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1256
1257         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1258         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1259         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1260         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1261         DWI mode iterator.
1262         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1263         from corresponding peephole2 patterns.
1264         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1265         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1266         and *lshrdi3_1_rex64 using SWI mode iterator.
1267         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1268         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1269         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1270         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1271         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1272         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1273         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1274         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1275         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1276         SWI mode iterator.
1277
1278 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1279
1280         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1281         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1282         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1283         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1284         DWI mode iterator.
1285         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1286         from corresponding peephole2 patterns.
1287         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1288         (ashrsi3_cvt): Rename from ashrsi3_31.
1289         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1290         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1291         and x86_64_shift_adj_3 using SWI48 mode iterator.
1292         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1293         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1294         and *ashrdi3_1_rex64 using SWI mode iterator.
1295         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1296         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1297         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1298         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1299         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1300         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1301         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1302         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1303         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1304         SWI mode iterator.
1305         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1306         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1307         x86_shift<mode>_adj_3 expanders.
1308
1309 2010-04-10  Wei Guozhi  <carrot@google.com>
1310
1311         PR target/42601
1312         * config/arm/arm.c (arm_pic_static_addr): New function.
1313         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1314         a static symbol.
1315         (arm_output_addr_const_extra): Output expression for new pattern.
1316         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1317
1318 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1319
1320         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1321         not enabled.
1322
1323         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1324         * web.c: Include "insn-config.h" and "recog.h".
1325         (union_match_dups): New function.
1326         (web_main): Call it.
1327         (union_defs): Don't try to recognize match_dups.
1328
1329         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1330         if doing so would replace the entire pattern.
1331
1332 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1333
1334         PR target/43707
1335         PR target/43709
1336         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1337         and splitter pattern.  Change splitter operand 1 predicate to
1338         nonmemory_operand.
1339
1340 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1341
1342         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1343         lattices are addresses of CONST_DECLs with the same initial value.
1344         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1345         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1346
1347 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1348             Bernd Schmidt  <bernds@codesourcery.com>
1349
1350         * loop-invariant.c (replace_uses): New static function.
1351         (move_invariant_reg): Use it to ensure we can replace the uses.
1352
1353 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1354
1355         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1356         function template.
1357         (picochip_override_options): Enable section anchors only above -O1.
1358         (picochip_reorg): Fixed a couple of build warnings.
1359
1360 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1361
1362         * configure.ac (plugin -rdynamic test): Log result.
1363         * configure: Regenerate.
1364         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1365         (RDYNAMIC_SPEC): Define.
1366         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1367
1368 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1369
1370         * configure.ac: Determine Sun ld version numbers.
1371         (comdat_group): Restrict GNU ld version checks to gld.
1372         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1373         (enable_comdat): Support --enable-comdat.
1374         * configure: Regenerate.
1375         * doc/install.texi (Configuration): Document --enable-comdat.
1376
1377 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1378
1379         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1380         * config/sol2-gld.h: ... here.
1381         * config.gcc (sparc*-*-solaris2*): Reflect this.
1382         (i[34567]86-*-solaris2*): Use it.
1383
1384 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1385
1386         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1387         setup_clocks_p.
1388         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1389
1390 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1391
1392         PR 42965
1393         * diagnostic.c (diagnostic_initialize): Initialize
1394         some_warnings_are_errors.
1395         (diagnostic_finish): New.
1396         (diagnostic_action_after_output): Call it before exiting.
1397         (diagnostic_report_diagnostic): Do not print message here. Set
1398         some_warnings_are_errors.
1399         * diagnostic.h (diagnostic_context): Delete
1400         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1401         (diagnostic_finish): Declare.
1402         * toplev.c (toplev_main): Call it before exit.
1403
1404 2010-04-09  Jason Merrill  <jason@redhat.com>
1405
1406         PR c++/42623
1407         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1408         for incomplete type.
1409
1410         PR c++/41788
1411         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1412         based on a warning flag.
1413
1414 2010-04-09  Richard Guenther  <rguenther@suse.de>
1415
1416         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1417
1418 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1419
1420         PR bootstrap/43684
1421         * varasm.c (default_assemble_visibility): Wrap vars that are
1422         set, but unused, by targets without GAS.
1423         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1424         Remove set, but unused, vars.
1425         (rs6000_legitimize_tls_address): Likewise.
1426         (altivec_expand_dst_builtin): Likewise.
1427         * config/darwin.c (machopic_classify_symbol): Likewise.
1428         (machopic_indirection_name): Likewise.
1429
1430 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1431
1432         * config/i386/i386.md (DWI): New mode iterator.
1433         (S): New mode attribute.
1434         (shift_operand): Ditto.
1435         (shift_immediate_operand): Ditto.
1436         (ashl_input_operand): Ditto.
1437         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1438         using SDWIM mode iterator.
1439         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1440         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1441         DWI mode iterator.
1442         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1443         from corresponding peephole2 patterns.
1444         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1445         and x86_64_shift_adj_1 using SWI48 mode iterator.
1446         (x86_shift<mode>_adj_2): Ditto.
1447         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1448         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1449         using SWI48 mode iterator.
1450         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1451         *ashldi3_cmp_rex64 using SWI mode iterator.
1452         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1453         *ashldi3_cconly_rex64 using SWI mode iterator.
1454         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1455         x86_shift<mode>_adj_{1,2}.
1456         (ix86_split_ashr): Ditto.
1457         (ix86_split_lshr): Ditto.
1458
1459 2010-04-09  Richard Guenther  <rguenther@suse.de>
1460
1461         * target.h (builtin_conversion): Pass in input and output types.
1462         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1463         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1464         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1465         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1466
1467         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1468         Handle AVX modes.
1469         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1470
1471 2010-04-09  Richard Guenther  <rguenther@suse.de>
1472
1473         PR target/43152
1474         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1475
1476 2010-04-09  Richard Guenther  <rguenther@suse.de>
1477
1478         * tree-vectorizer.h (struct _stmt_vec_info): Document
1479         that vectype is the type of the LHS.
1480         (supportable_widening_operation, supportable_narrowing_operation):
1481         Get both input and output vector types as arguments.
1482         (vect_is_simple_use_1): Declare.
1483         (get_same_sized_vectype): Likewise.
1484         * tree-vect-loop.c (vect_determine_vectorization_factor):
1485         Set STMT_VINFO_VECTYPE to the vector type of the def.
1486         (vectorizable_reduction): Adjust.
1487         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1488         Adjust.  Specify the output vector type.
1489         (vect_pattern_recog_1): Adjust.
1490         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1491         (vectorizable_call): Adjust.
1492         (vectorizable_conversion): Likewise.
1493         (vectorizable_operation): Likewise.
1494         (vectorizable_type_demotion): Likewise.
1495         (vectorizable_type_promotion): Likewise.
1496         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1497         the def.
1498         (vect_is_simple_use_1): New function.
1499         (supportable_widening_operation): Get both input and output
1500         vector types.
1501         (supportable_narrowing_operation): Likewise.
1502         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1503
1504 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1505
1506         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1507         __thiscall and _thiscall as predefined macros.
1508         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1509         thiscall attribute handling.
1510         (ix86_comp_type_attributes): Likewise.
1511         (ix86_function_regparm): Likewise.
1512         (ix86_return_pops_args): Likewise.
1513         (init_cumulative_args): Likewise.
1514         (find_drap_reg): Likewise.
1515         (ix86_static_chain): Likewise.
1516         (x86_this_parameter): Likewise.
1517         (x86_output_mi_thunk): Likewise.
1518         (ix86_attribute_table): Add description for thiscall attribute.
1519         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1520         * doc/extend.texi: Add documentation for thiscall.
1521
1522 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1523
1524         PR c++/28584
1525         * c.opt (Wint-to-pointer-cast): Available in C++.
1526         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1527
1528 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1529
1530         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1531         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1532         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1533         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1534         function type instead.  Reorder and simplify checks.
1535
1536         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1537
1538 2010-04-08  Jing Yu  <jingyu@google.com>
1539             Zdenek Dvorak  <ook@ucw.cz>
1540
1541         PR tree-optimization/42720
1542         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1543         loop unswitch conditions here from ...
1544         (tree_unswitch_single_loop): ... here.
1545
1546 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * tree-if-conv.c: Fix comments and simplify logic.
1549
1550 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1551
1552         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1553         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1554         (main_tree_if_conversion): Update call to tree_if_conversion.
1555
1556 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1557
1558         PR 42485
1559         * doc/invoke.texi (-b,-V): Delete.
1560         * doc/tm.texi: Do not mention -b.
1561         * gcc.c (display_help): Delete -b and -V.
1562         (process_command): Delete -b and -V.
1563         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1564
1565 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1566             Wolfgang Gellerich  <gellerich@de.ibm.com>
1567
1568         Implement target hook for loop unrolling
1569         * target.h (loop_unroll_adjust): Add a new target hook function.
1570         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1571         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1572         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1573         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1574         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1575         target hook.
1576         (decide_unroll_stupid): Likewise.
1577
1578 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1579
1580         PR target/43643
1581         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1582
1583 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1584
1585         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1586         (Specific, *-*-solaris2*): Likewise.
1587         Don't prefer Sun as over GNU as.
1588
1589 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1590
1591         * config/s390/s390.c (override_options): Adjust the z10
1592           defaults for max-unroll-times, max-completely-peeled-insns
1593           and max-completely-peel-times.
1594
1595 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1596
1597         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1598         instructions for z10.
1599         (s390_expand_setmem): Likewise.
1600         (s390_expand_cmpmem): Likewise.
1601
1602 2010-04-08  Richard Guenther  <rguenther@suse.de>
1603
1604         PR tree-optimization/43679
1605         * tree-ssa-pre.c (eliminate): Only propagate copies.
1606
1607 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1608
1609         PR bootstrap/43681
1610         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1611         set but not used variable warning.
1612
1613 2010-04-08  Wei Guozhi  <carrot@google.com>
1614
1615         PR target/41653
1616         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1617         (arm_size_rtx_costs): Call the new function when optimized for size.
1618
1619 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1620
1621         PR debug/43670
1622         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1623         op0 is not a MEM, just return NULL instead of assertion
1624         failure.
1625         (discover_nonconstant_array_refs): Don't walk debug stmts.
1626
1627 2010-04-08  Doug Kwan  <dougkwan@google.com>
1628
1629         * configure.ac: Recognize gold and do not use its version number
1630         to test ld features.
1631         * configure: Regenerate.
1632
1633 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1634
1635         PR middle-end/40815
1636         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1637         (negate_value): Move code to push elements to broken_up_substracts ...
1638         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1639         negative pair to plus_negates.
1640         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1641
1642 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1643
1644         * doc/install.texi (Configuration): Move description of
1645         --enable-lto, --with-libelf*, --enable-gold from Java section to
1646         general section.
1647
1648         * doc/generic.texi (Working with declarations)
1649         (Function Properties, C and C++ Trees): Fix typos.
1650         * doc/sourcebuild.texi (Top Level): Likewise.
1651
1652 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1653
1654         PR c/18624
1655         * tree.h (DECL_READ_P): Define.
1656         (struct tree_decl_common): Add decl_read_flag.
1657         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1658         a set but not used warning.
1659         (merge_decls): Merge DECL_READ_P flag.
1660         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1661         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1662         * c-common.c (handle_used_attribute, handle_unused_attribute):
1663         Likewise.
1664         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1665         New prototypes.
1666         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1667         New functions.
1668         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1669         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1670         c_parser_binary_expression, c_parser_cast_expression,
1671         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1672         Call default_function_array_read_conversion instead of
1673         default_function_array_conversion where needed.
1674         (c_parser_unary_expression, c_parser_conditional_expression,
1675         c_parser_postfix_expression_after_primary, c_parser_initelt):
1676         Likewise.  Call mark_exp_read where needed.
1677         (c_parser_statement_after_labels, c_parser_asm_operands,
1678         c_parser_typeof_specifier, c_parser_sizeof_expression,
1679         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1680         where needed.
1681         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1682         New.
1683         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1684         (warn_unused_but_set_parameter): Default to warn_unused
1685         && extra_warnings.
1686         * doc/invoke.texi: Document -Wunused-but-set-variable and
1687         -Wunused-but-set-parameter.
1688
1689         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1690         used count variable.
1691         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1692         when operandN variables aren't used in the body of the expander
1693         or splitter.
1694         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1695         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1696         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1697         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1698         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1699         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1700         * tree.c (PROCESS_ARG): Likewise.
1701
1702 2010-04-07  Simon Baldwin  <simonb@google.com>
1703
1704         * diagnostic.h (diagnostic_override_option_index): New macro to
1705         set a diagnostic's option_index.
1706         * c-tree.h (c_cpp_error): Add warning reason argument.
1707         * opts.c (_warning_as_error_callback): New.
1708         (register_warning_as_error_callback): Store callback for
1709         warnings enabled via enable_warning_as_error.
1710         (enable_warning_as_error): Call callback, minor code tidy.
1711         * opts.h (register_warning_as_error_callback): Declare.
1712         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1713         response to -Werror=.
1714         (c_common_init_options): Register warning_as_error_callback in opts.c.
1715         * common.opt: Add -Wno-cpp option.
1716         * c-common.c (struct reason_option_codes_t): Map cpp warning
1717         reason codes to gcc option indexes.
1718         * (c_option_controlling_cpp_error): New function, lookup the gcc
1719         option index for a cpp warning reason code.
1720         * (c_cpp_error): Add warning reason argument, call
1721         c_option_controlling_cpp_error for diagnostic_override_option_index.
1722         * doc/invoke.texi: Document -Wno-cpp.
1723
1724 2010-04-07  Richard Guenther  <rguenther@suse.de>
1725
1726         * ipa-reference.c (mark_load): Use get_base_address.
1727         (mark_store): Likewise.
1728
1729         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1730         inserting GIMPLE_NOPs into the IL.
1731         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1732         Explicitly strip handled components and indirect references.
1733
1734         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1735         folding address expressions.
1736         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1737         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1738         operand_equal_p to compare decls.
1739         (ptr_deref_may_alias_decl_p): Likewise.
1740         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1741         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1742         Handle reversed comparison ops.
1743         * tree-sra.c (asm_visit_addr): Use get_base_address.
1744         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1745         * ipa-reference.c (mark_address): Use get_base_address.
1746
1747 2010-04-07  Richard Guenther  <rguenther@suse.de>
1748
1749         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1750         Propagate constants everywhere.
1751
1752 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1753
1754         PR debug/43516
1755         * tree.c (MAX_INT_CACHED_PREC): Define.
1756         (nonstandard_integer_type_cache): New array.
1757         (build_nonstandard_integer_type): Cache results for precision
1758         <= MAX_INT_CACHED_PREC.
1759
1760 2010-04-07  Richard Guenther  <rguenther@suse.de>
1761
1762         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1763         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1764         * common.opt: Likewise.
1765         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1766         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1767         (nonoverlapping_memrefs_p): Likewise.
1768         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1769         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1770         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1771         OPT_fargument_noalias_global for backward compatibility.
1772
1773 2010-04-07  Richard Guenther  <rguenther@suse.de>
1774
1775         PR tree-optimization/43270
1776         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1777         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1778         * tree-ssa-pre.c (phi_translate_1): Adjust.
1779         (fully_constant_expression): Split out vn_reference handling to ...
1780         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1781         Fold reads from constant strings.
1782         (vn_reference_lookup): Handle fully constant references.
1783         (vn_reference_lookup_pieces): Likewise.
1784         * Makefile.in (expmed.o-warn): Add -Wno-error.
1785
1786 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1787
1788         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1789
1790 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1791
1792         PR driver/41594
1793         * gcc.c: Add -static-libstdc++ to list of recognized options.
1794
1795 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1796
1797         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1798
1799 2010-04-07  Richard Guenther  <rguenther@suse.de>
1800
1801         PR middle-end/42617
1802         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1803         bases build simple mem attributes to retain points-to information.
1804
1805 2010-04-07  Richard Guenther  <rguenther@suse.de>
1806
1807         PR middle-end/42617
1808         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1809         preserve points-to related information.
1810
1811 2010-04-07  Richard Guenther  <rguenther@suse.de>
1812
1813         PR middle-end/42617
1814         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1815         discard plain indirect references.
1816         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1817         * tree.c (tree_nop_conversion): Likewise.
1818
1819 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1820
1821         PR debug/43628
1822         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1823
1824 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1825
1826         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1827         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1828
1829 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1830
1831         * tree-if-conv.c: Fix indentation and comments.
1832
1833 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1834
1835         * tree-if-conv.c: Sort static functions in topological order.
1836
1837 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1838
1839         * tree-if-conv.c: Fix indentation and comments.
1840
1841 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1842
1843         PR middle-end/43519
1844         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1845         lang_hooks.types.type_for_size instead of
1846         build_nonstandard_integer_type.
1847         When converting an unsigned type to signed, double its precision.
1848         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1849         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1850         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1851         use lb <= ub.
1852
1853 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1854
1855         PR middle-end/43519
1856         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1857         POINTER_PLUS_EXPR for pointer types.
1858
1859 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1860
1861         PR middle-end/43519
1862         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1863         * graphite-clast-to-gimple.c: Include langhooks.h.
1864         (max_signed_precision_type): New.
1865         (max_precision_type): Takes two types as arguments.
1866         (precision_for_value): New.
1867         (precision_for_interval): New.
1868         (gcc_type_for_interval): New.
1869         (gcc_type_for_value): New.
1870         (gcc_type_for_clast_term): New.
1871         (gcc_type_for_clast_red): New.
1872         (gcc_type_for_clast_bin): New.
1873         (gcc_type_for_clast_expr): Split up into several functions.
1874         (gcc_type_for_clast_eq): Rewritten.
1875         (compute_bounds_for_level): New.
1876         (compute_type_for_level_1): New.
1877         (compute_type_for_level): New.
1878         (gcc_type_for_cloog_iv): Removed.
1879         (gcc_type_for_iv_of_clast_loop): Rewritten.
1880         (graphite_create_new_loop): Compute the lower and upper bound types
1881         with gcc_type_for_clast_expr.
1882         (graphite_create_new_loop_guard): Same.
1883         (find_cloog_iv_in_expr): Removed.
1884         (compute_cloog_iv_types_1): Removed.
1885         (compute_cloog_iv_types): Removed.
1886         (gloog): Do not call compute_cloog_iv_types.
1887         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1888         GBB_CLOOG_IV_TYPES.
1889         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1890         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1891         (GBB_CLOOG_IV_TYPES): Removed.
1892
1893 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1894
1895         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1896         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1897         (detect_commutative_reduction): Same.
1898
1899 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1900
1901         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1902         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1903         argument.
1904         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1905         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1906         (rewrite_commutative_reductions_out_of_ssa): Same.
1907         * passes.c (execute_function_todo): Call verify_ssa for every pass
1908         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1909         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1910         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1911         with an extra argument.
1912         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1913         verify_ssa only when the extra argument is true.
1914         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1915         with an extra argument.
1916         (tree_transform_and_unroll_loop): Same.
1917
1918 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1919
1920         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1921         for all the passes of the LNO having LOOP_CLOSED_SSA.
1922         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1923         * tree-loop-distribution.c (pass_loop_distribution): Same.
1924         * tree-pass.h (TODO_verify_loops): Removed.
1925         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1926         (pass_lim): Same.
1927         (pass_tree_unswitch): Same.
1928         (pass_predcom): Same.
1929         (pass_vectorize): Same.
1930         (pass_linear_transform): Same.
1931         (pass_graphite_transforms): Same.
1932         (pass_iv_canon): Same.
1933         (pass_complete_unroll): Same.
1934         (pass_complete_unrolli): Same.
1935         (pass_parallelize_loops): Same.
1936         (pass_loop_prefetch): Same.
1937         (pass_iv_optimize): Same.
1938
1939 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1940
1941         PR middle-end/32824
1942         * passes.c (init_optimization_passes): Move pass_lim before
1943         pass_copy_prop and pass_dce_loop.
1944
1945 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1946
1947         PR target/43667
1948         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1949         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1950         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1951         MULTI_* defines for 4 argument vpermil2p* builtins.
1952
1953 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1954
1955         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1956         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1957         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1958         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1959         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1960         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1961         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1962         Use x86_maybe_negate_const_int to output insn mnemonic.
1963         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1964         check from instruction predicate.  Update comments.
1965         * config/i386/sync.md (sync_add<mode>): Use
1966         x86_maybe_negate_const_int to output insn mnemonic.
1967
1968 2010-04-06  Jan Hubicka  <jh@suse.cz>
1969
1970         PR tree-optimization/42906
1971         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1972         IGNORE_SELF argument.  Set visited_control_parents for fully
1973         processed BBs.
1974         (find_obviously_necessary_stmts): Update call of
1975         mark_control_dependent_edges_necessary.
1976         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
1977
1978 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1979
1980         * config/i386/i386.md: Remove comment about 'e' and 'E'
1981         operand modifier.
1982
1983 2010-04-06  Richard Guenther  <rguenther@suse.de>
1984
1985         PR tree-optimization/43627
1986         * tree-vrp.c (extract_range_from_unary_expr): Widenings
1987         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1988         not varying.
1989
1990 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1991
1992         * BASE-VER: Change to 4.6.0.
1993
1994         PR target/43638
1995         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1996         handling.
1997
1998 2010-04-06  Richard Guenther  <rguenther@suse.de>
1999
2000         PR middle-end/43661
2001         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2002
2003 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2004
2005         * doc/invoke.texi (Optimize Options): Document that LTO
2006         won't remove object access purely due to incompatible
2007         declarations.
2008
2009 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2010
2011         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2012         Initialize variable.
2013
2014 2010-04-03  Richard Guenther  <rguenther@suse.de>
2015
2016         PR middle-end/42509
2017         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2018         require a non-NULL MEM_OFFSET.
2019
2020 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2021
2022         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2023         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2024         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2025         config/alpha/predicates.md, config/arm/arm.md,
2026         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2027         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2028         config/darwin9.h, config/darwin.c, config/darwin.h,
2029         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2030         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2031         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2032         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2033         config/mips/mips.md, config/mn10300/mn10300.c,
2034         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2035         config/rs6000/aix.h, config/rs6000/dfp.md,
2036         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2037         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2038         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2039         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2040         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2041         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2042         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2043         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2044         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2045         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2046         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2047         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2048         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2049         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2050         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2051         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2052         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2053         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2054         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2055         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2056         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2057         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2058         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2059         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2060         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2061         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2062         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2063         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2064         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2065         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2066         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2067         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2068         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2069         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2070         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2071         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2072
2073 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2074
2075         PR other/43620
2076         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2077         * aclocal.m4: Regenerate.
2078
2079 2010-04-02  Richard Guenther  <rguenther@suse.de>
2080
2081         PR tree-optimization/43629
2082         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2083         if we have seen a constant value.
2084
2085 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2086
2087         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2088
2089 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2090
2091         PR target/43469
2092         * arm.c (legitimize_tls_address): Adjust call to
2093         gen_tls_load_dot_plus_four.
2094         (arm_note_pic_base): New function.
2095         (arm_cannot_copy_insn_p): Use it.
2096         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2097         constraint.
2098
2099 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2100
2101         PR bootstrap/43531
2102
2103         Revert:
2104         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2105
2106         * Makefile.in ($(out_object_file)): Depend on
2107         gt-$(basename $(notdir $(out_file))).h.
2108
2109 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2110
2111         * config.gcc (lm32-*-rtems*): Add t-lm32.
2112
2113 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2114
2115         * config.gcc: Add lm32-*-rtems*.
2116         * config/lm32/rtems.h: New file.
2117
2118 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2119
2120         PR target/42609
2121         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2122
2123 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2124
2125         * dwarf2out.c (output_compilation_unit_header): For
2126         -gdwarf-4 use version 4 instead of version 3.
2127         (output_line_info): For version 4 and above emit additional
2128         maximum ops per insn header field.
2129         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2130
2131         * dwarf2out.c (is_c_family, is_java): Remove.
2132         (lower_bound_default): New function.
2133         (add_bound_info, gen_descr_array_type_die): Use it.
2134
2135 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2136
2137         PR debug/43325
2138         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2139         re-declaration when it happens in a function.
2140
2141 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2142
2143         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2144         (cgraph_remove_function_insertion_hook): Same.
2145         (cgraph_call_function_insertion_hooks): Same.
2146
2147 2010-04-01  Richard Guenther  <rguenther@suse.de>
2148
2149         PR middle-end/43614
2150         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2151         and TREE_THIS_VOLATILE.
2152         (copy_ref_info): Likewise.
2153         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2154         * tree.c (build6_stat): Ignore side-effects of all but arg5
2155         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2156         TARGET_MEM_REF.
2157
2158 2010-04-01  Richard Guenther  <rguenther@suse.de>
2159
2160         PR tree-optimization/43607
2161         * ipa-type-escape.c (check_call): Do not access non-existing
2162         arguments.
2163
2164 2010-04-01  Richard Guenther  <rguenther@suse.de>
2165
2166         PR middle-end/43602
2167         Revert
2168         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2169                     Jack Howarth <howarth@bromo.med.uc.edu>
2170
2171         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2172         variables TLS.
2173
2174 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2175
2176         * doc/install.texi (Prerequisites): Document libelf usability on
2177         IRIX 5/6 and Solaris 2.
2178         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2179         Update GNU as, GNU ld requirements.
2180         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2181         Document Sun Studio compiler download.
2182         Update and simplify as, ld recommendations.
2183         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2184
2185 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2186
2187         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2188         with_tune_32 to pentium4.
2189
2190 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2191
2192         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2193
2194 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2195
2196         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2197         obsoletion, removal.
2198         Update IDO URL.
2199         Document GNU as requirement.
2200         Update configure requirements.
2201         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2202         Recomment IRIX 6.5.18+.
2203         Document IDF/IDL requirement.
2204         Document GNU as requirement.
2205         Document GNU ld bootstrap failure.
2206         Remove freeware.sgi.com reference.
2207
2208 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2209
2210         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2211         UNIX V4.0, V5.0 obsoletion, removal.
2212         Remove --with-gc=simple reference.
2213         Update VM requirements during bootstrap.
2214         Remove -oldas bootstrap description.
2215         Update binutils reference.
2216         Remove comparison failure note.
2217
2218 2010-03-31  Richard Guenther  <rguenther@suse.de>
2219             Zdenek Dvorak  <ook@ucw.cz>
2220             Sebastian Pop  <sebastian.pop@amd.com>
2221
2222         PR middle-end/43464
2223         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2224         with multiple arguments.
2225         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2226
2227 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2228
2229         * graphite-dependences.c (print_pddr): Call print_pdr with an
2230         extra argument.
2231         * graphite-poly.c (debug_pdr): Add an extra argument for the
2232         verbosity level.
2233         (print_pdr): Same.
2234         (print_pbb_domain): Same.
2235         (print_pbb): Same.
2236         (print_scop_context): Same.
2237         (print_scop): Same.
2238         (print_cloog): Same.
2239         (debug_pbb_domain): Same.
2240         (debug_pbb): Same.
2241         (print_pdrs): Same.
2242         (debug_pdrs): Same.
2243         (debug_scop_context): Same.
2244         (debug_scop): Same.
2245         (debug_cloog): Same.
2246         (print_scop_params): Same.
2247         (debug_scop_params): Same.
2248         (print_iteration_domain): Same.
2249         (print_iteration_domains): Same.
2250         (debug_iteration_domain): Same.
2251         (debug_iteration_domains): Same.
2252         (print_scattering_function): Same.
2253         (print_scattering_functions): Same.
2254         (debug_scattering_function): Same.
2255         (debug_scattering_functions): Same.
2256         * graphite-poly.h (debug_pdr): Update declaration.
2257         (print_pdr): Same.
2258         (print_pbb_domain): Same.
2259         (print_pbb): Same.
2260         (print_scop_context): Same.
2261         (print_scop): Same.
2262         (print_cloog): Same.
2263         (debug_pbb_domain): Same.
2264         (debug_pbb): Same.
2265         (print_pdrs): Same.
2266         (debug_pdrs): Same.
2267         (debug_scop_context): Same.
2268         (debug_scop): Same.
2269         (debug_cloog): Same.
2270         (print_scop_params): Same.
2271         (debug_scop_params): Same.
2272         (print_iteration_domain): Same.
2273         (print_iteration_domains): Same.
2274         (debug_iteration_domain): Same.
2275         (debug_iteration_domains): Same.
2276         (print_scattering_function): Same.
2277         (print_scattering_functions): Same.
2278         (debug_scattering_function): Same.
2279         (debug_scattering_functions): Same.
2280
2281 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2282
2283         * graphite-poly.c (print_scattering_function_1): New.
2284         (print_scattering_function): Call it.
2285         (print_scop_params): Remove spaces at the end of lines.
2286         (print_cloog): New.
2287         (debug_cloog): New.
2288         * graphite-poly.h (print_cloog): Declared.
2289         (debug_cloog): Declared.
2290
2291 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2292
2293         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2294         in loop->header.
2295         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2296         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2297         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2298         to switch between adding the IV bump in loop->latch or in loop->header.
2299
2300 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2301
2302         * graphite-poly.c (print_scattering_function): Pretty print following
2303         the scoplib format.
2304         (print_pdr): Same.
2305         (print_pbb_domain): Same.
2306         (dump_gbb_cases): Same.
2307         (dump_gbb_conditions): Same.
2308         (print_pdrs): Same.
2309         (print_pbb): Same.
2310         (print_scop_params): Same.
2311         (print_scop_context): Same.
2312         (print_scop): Same.
2313         (print_pbb_body): New.
2314         (lst_indent_to): New.
2315         (print_lst): Start new lines with a #.
2316         * graphite-poly.h (pbb_bb): New.
2317         (pbb_index): Use pbb_bb.
2318         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2319         disjuncts.
2320         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2321
2322 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2323
2324         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2325         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2326         and 0 instead of 1 for dw_val_class_flag.
2327         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2328         dw_val_class_range_list, dw_val_class_loc_list,
2329         dw_val_class_lineptr and dw_val_class_macptr, use
2330         DW_FORM_flag_present for dw_val_class_flag and
2331         DW_FORM_exprloc for dw_val_class_loc.
2332         (output_die): For -gdwarf-4 print dw_val_class_loc
2333         size as uleb128 instead of 1 or 2 bytes and don't print
2334         anything for dw_val_class_flag.
2335
2336         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2337         instead of cselib_lookup following by tweaking locs->setting_insn.
2338
2339         PR bootstrap/43596
2340         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2341         even before returning from label, setjmp call or volatile asm
2342         handling.
2343
2344 2010-03-31  Richard Guenther  <rguenther@suse.de>
2345
2346         PR middle-end/43600
2347         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2348         temporary data on stack.
2349
2350 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2351
2352         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2353         (PUSHSECTION_ASM_OP): Remove.
2354         (POPSECTION_ASM_OP): Remove.
2355         (PUSHSECTION_FORMAT): Remove.
2356         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2357         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2358         * config/sol2.c (solaris_output_init_fini): Use it.
2359
2360 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2361
2362         PR 43574
2363         * opt-functions.awk (var_type_struct): Use signed char type
2364         for simple variables.
2365
2366 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2367
2368         * config/sol2.c: Include output.h.
2369         (solaris_assemble_visibility): New function.
2370         * config/t-sol2 (sol2.o): Add output.h dependency.
2371         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2372         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2373         Redefine.
2374
2375 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2376
2377         PR target/43580
2378         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2379         V2SImode or XFmode on PRE_DEC.
2380
2381         PR debug/43557
2382         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2383         BLKmode.
2384
2385 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2386
2387         PR 43562
2388         * reload.h (caller_save_initialized_p): Declare.
2389         * toplev.c (backend_init_target): Don't call
2390         init_caller_save but set caller_save_initialized_p to false.
2391         * caller-save.c (caller_save_initialized_p): Define.
2392         (init_caller_save): Check caller_save_initialized_p.
2393         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2394
2395 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2396
2397         PR target/39048
2398         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2399         and soft-fp/t-softfp to tmake_file.
2400         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2401         (LIBGCC2_TF_CEXT): Define.
2402         (TF_SIZE): Define.
2403
2404 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2405
2406         PR debug/42977
2407         * cselib.c (n_useless_values): Document handling of debug locs.
2408         (n_useless_debug_values, n_debug_values): New variables.
2409         (new_elt_loc_list): Don't add to debug values, keep count.
2410         (promote_debug_loc): New.
2411         (cselib_reset_table): Zero new variables.
2412         (entry_and_rtx_equal_p): Promote debug locs.
2413         (discard_useless_locs): Increment n_useless_debug_values for
2414         debug values.
2415         (remove_useless_values): Adjust n_useless_values and n_debug_values
2416         with n_useless_debug_values.
2417         (add_mem_for_addr): Promote debug locs.
2418         (cselib_lookup_mem): Likewise.
2419         (cselib_lookup_addr): Renamed to...
2420         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2421         (cselib_log_lookup): ... this.  Turn into...
2422         (cselib_lookup_addr): ... new wrapper.
2423         (cselib_lookup_from_insn): New.
2424         (cselib_invalidate_regno): Increment n_useless_debug_values for
2425         debug values.
2426         (cselib_invalidate_mem): Likewise.
2427         (cselib_process_insn): Take n_deleted and n_debug_values into
2428         account to guard remove_useless_value call.
2429         (cselib_finish): Zero n_useless_debug_values.
2430         * cselib.h (cselib_lookup_from_insn): Declare.
2431         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2432         (sched_analyze_2): Likewise.
2433
2434 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2435
2436         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2437         functions.
2438         (adjust_mems): Replace narrowing SUBREG of expression containing
2439         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2440         with operations in the narrower mode.
2441
2442         PR debug/43593
2443         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2444         regs_invalidated_by_call instead all call_used_reg_set registers.
2445
2446 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2447
2448         PR middle-end/43430
2449         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2450         pointer comparisons with types_compatible_p.
2451         * tree-vect-stmts.c (vectorizable_call): Same.
2452         (vectorizable_condition): Same.
2453
2454 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2455
2456         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2457         stack check if the mask would be zero.
2458
2459 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2460             Jack Howarth <howarth@bromo.med.uc.edu>
2461
2462         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2463         variables TLS.
2464
2465 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2466
2467         PR other/25232
2468         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2469         and __unordtf2.
2470         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2471         Include ___unordxf2 and ___unordtf2.
2472         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2473         GCC_4.4.0 here.
2474
2475 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2476
2477         * config/lm32/t-lm32: New file.
2478         * config.gcc: Use the above file when targetting lm32.
2479
2480 2010-03-28  Duncan Sands  <baldrick@free.fr>
2481
2482         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2483
2484 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2485
2486         PR middle-end/43431
2487         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2488         Improve vectorization cost model diagnostic.
2489
2490 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2491
2492         PR middle-end/43436
2493         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2494         compute_data_dependences_for_loop returns false, early exit
2495         and output an extra diagnostic for the failed data reference
2496         analysis.
2497
2498 2010-03-29  Richard Guenther  <rguenther@suse.de>
2499
2500         PR tree-optimization/43560
2501         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2502         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2503
2504 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2505
2506         PR 43564
2507         * toplev.c (process_options): Set optimization_default_node
2508         and optimization_current_node.
2509         * opts.c (decode_options): Don't set optimization_default_node
2510         and optimization_current_node.
2511
2512 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2513
2514         * config/rtems.h: Abandon -qrtems_debug.
2515
2516 2010-03-28  Jan Hubicka  <jh@suse.cz>
2517
2518         PR tree-optimization/43505
2519         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2520         map should not be copied.
2521
2522 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2523
2524         PR middle-end/41674
2525         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2526         cdtors, set DECL_PRESERVE_P.
2527         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2528         should be preseved.
2529
2530 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2531
2532         PR tree-optimization/43528
2533         * stor-layout.c (place_field): Check that constant fits into
2534         unsigned HWI when skipping calculation of MS bitfield layout.
2535
2536 2010-03-27  Jan Hubicka  <jh@suse.cz>
2537
2538         PR middle-end/43391
2539         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2540         notice_global_symbol work.
2541
2542 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2543
2544         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2545         instead of dwarf2out_decl.
2546         (struct var_loc_node): Remove section_label field.
2547         (dwarf2out_function_decl): New function.
2548         (dwarf2out_var_location): Don't set section_label field.
2549         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2550
2551 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2552
2553         PR tree-optimization/43544
2554         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2555         First argument for builtin vectorized function hook is now a
2556         tree to be able to distinguish between machine specific and
2557         standard builtins.
2558         * targhooks.c (default_builtin_vectorized_function): Ditto.
2559         * targhooks.h (default_builtin_vectorized_function): Ditto.
2560         * target.h (struct gcc_target): Ditto.
2561         * tree-vect-stmts.c (vectorizable_function): Ditto.
2562         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2563         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2564         Ditto.
2565
2566 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2567
2568         PR c/43381
2569         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2570         nested binding iff it is a FUNCTION_DECL.
2571         (store_parm_decls_newstyle): Pass nested=true to bind for
2572         FUNCTION_DECLs amongst parameters.
2573
2574 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2575
2576         * var-tracking.c (vt_expand_loc_callback): Don't run
2577         cselib_expand_value_rtx_cb in dummy mode if
2578         cselib_dummy_expand_value_rtx_cb returned false.
2579
2580         * var-tracking.c (emit_note_insn_var_location): For one part
2581         notes with offset 0, don't add EXPR_LIST around the location.
2582         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2583         add_location_or_const_value_attribute): Adjust for that change.
2584
2585         PR debug/43540
2586         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2587         into first operand and location into second.
2588         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2589         dw_cfi_oprnd_loc for DW_CFA_expression.
2590         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2591         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2592         assume first argument is regnum and second argument is location.
2593
2594 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2595
2596         PR target/42113
2597         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2598         of scratch register to DImode.  Split to DImode comparison operator.
2599         Use SImode subreg of scratch register in the multiplication.
2600         (*cmp_sadd_sidi): Ditto.
2601         (*cmp_ssub_si): Ditto.
2602         (*cmp_ssub_sidi): Ditto.
2603
2604 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2605
2606         PR target/43524
2607         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2608         Remove invalid assert and wrong comment.
2609
2610 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2611
2612         PR debug/43516
2613         * flags.h (final_insns_dump_p): New extern.
2614         * final.c (final_insns_dump_p): New variable.
2615         (rest_of_clean_state): Set it before -fdump-final-insns=
2616         dumping, clear afterwards.
2617         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2618         MEM_ALIAS_SET on MEMs.
2619
2620 2010-03-26  David S. Miller  <davem@davemloft.net>
2621
2622         * configure.ac: Fix sparc GOTDATA_OP bug check.
2623         * configure: Rebuild.
2624
2625 2010-03-26  Alan Modra  <amodra@gmail.com>
2626
2627         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2628
2629 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2630
2631         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2632         TLS_SECTION_ASM_FLAG.
2633
2634 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2635
2636         PR bootstrap/43511
2637         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2638         Clear first_function_block_is_cold.
2639
2640         PR c/43385
2641         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2642         argument if the argument is truth_value_p.
2643
2644 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2645
2646         * config/rs6000/constraints.md: Update copyright year for my changes.
2647
2648         PR target/43484
2649         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2650         used in reg+reg addressing, swap registers.
2651
2652 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2653
2654         PR debug/43293
2655         * target.h (struct gcc_target): Add code_end hook.
2656         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2657         if not yet defined.
2658         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2659         * toplev.c (compile_file): Call targetm.asm_out.code_end
2660         hook before unwind info/debug info output.
2661         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2662         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2663         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2664         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2665         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2666         * config/i386/i386.c (ix86_file_end): Renamed to...
2667         (ix86_code_end): ... this.  Make static.  Don't call
2668         file_end_indicate_exec_stack.  Emit unwind info using
2669         final_start_function/final_end_function.
2670         (darwin_x86_file_end): Remove.
2671         (TARGET_ASM_CODE_END): Define.
2672         * config/i386/i386.h (TARGET_ASM_FILE_END,
2673         NEED_INDICATE_EXEC_STACK): Don't define.
2674         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2675         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2676         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2677         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2678
2679         PR target/43498
2680         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2681         at the beginning and final_end_function at the end.
2682         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2683
2684 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2685
2686         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2687         and Sun as TLS syntax.
2688         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2689         * configure: Regenerate.
2690         * config.in: Regenerate.
2691         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2692         (default_elf_asm_named_section): Use it.
2693         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2694         (i386_output_dwarf_dtprel): Likewise.
2695         (output_addr_const_extra): Likewise.
2696         (output_pic_addr_const): Lowercase @GOTTPOFF.
2697         (output_addr_const_extra): Likewise.
2698         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2699         (output_addr_const_extra): Likewise.
2700         (output_pic_addr_const): Lowercase @INDNTPOFF.
2701         (output_addr_const_extra): Likewise.
2702         (output_pic_addr_const): Lowercase @NTPOFF.
2703         (output_addr_const_extra): Likewise.
2704         (output_pic_addr_const): Lowercase @TPOFF.
2705         (output_addr_const_extra): Likewise.
2706         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2707         (*tls_global_dynamic_64): Likewise.
2708         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2709         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2710
2711         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2712         (ASM_OUTPUT_TLS_COMMON): Use it.
2713         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2714
2715         PR target/38118
2716         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2717         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2718         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2719         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2720         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2721         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2722
2723 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2724
2725         * config/i386/i386.c (override_options): Don't accept
2726         -mtls-dialect=sun any longer.
2727         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2728         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2729         (*tls_local_dynamic_base_32_sun): Likewise.
2730         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2731
2732 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2733
2734         PR debug/43508
2735         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2736         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2737
2738         PR debug/43479
2739         * ira.c (adjust_cleared_regs): New function.
2740         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2741
2742         PR debug/19192
2743         PR debug/43479
2744         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2745         from gimple_block.
2746         * expr.c (expand_expr_real): Restore previous
2747         curr_insn_source_location and curr_insn_block after
2748         expand_expr_real_1 call.
2749         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2750         instead of expand_expr_real_1.
2751
2752 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2753
2754         PR rtl-optimization/43413
2755         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2756         hard regs too.
2757
2758 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2759
2760         PR target/43348
2761         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2762         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2763
2764 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2765
2766         * config/i386/i386.c (ix86_target_string): Add -mfma.
2767         Fix a typo in comment.
2768
2769 2010-03-22  Mike Stump  <mikestump@comcast.net>
2770
2771         PR target/23071
2772         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2773         Don't overly align based upon packed packed fields.
2774
2775 2010-03-22  Jason Merrill  <jason@redhat.com>
2776
2777         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2778         Use () rather than [], and move before the element type.
2779
2780 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2781
2782         * doc/configfiles.texi (Configuration Files): Removed
2783         fixinc/Makefile*, intl/Makefile.*.
2784         * doc/makefile.texi: Fixed markup. Abstract from version
2785         control system used.
2786         (Makefile): Removed obsolete gcc/java/parse.y example.
2787         * doc/sourcebuild.texi: Likewise.
2788         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2789         libgomp, libssp.  Removed fastjar.
2790         (Miscellaneous Docs): Clarify location.
2791         Added COPYING3, COPYING3.LIB.
2792         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2793
2794 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2795
2796         PR target/38085
2797         * config/i386/i386.c (x86_function_profiler)
2798         [!NO_PROFILE_COUNTERS]: Fix typo.
2799         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2800         instead of callq.
2801
2802 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2803             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2804
2805         * doc/sourcebuild.texi (Test Directives): Split into six
2806         subsections, with most of the current text in new subsections
2807         Directives, Selectors, and Final Actions.
2808         (Directives): Split list of test directives into multiple
2809         subsubsections.
2810         (Selectors): Describe use and syntax of selectors.
2811         (Effective-Target Keywords): Describe all existing keywords.
2812         (Add Options): Describe features for dg-add-options.
2813         (Require Support): Describe variants of dg-require-support.
2814         (Final Actions): Describe commands to use in dg-final.
2815
2816 2010-03-22  Michael Matz  <matz@suse.de>
2817
2818         PR middle-end/43475
2819         * recog.c (validate_replace_rtx_group): Replace also in
2820         REG_EQUAL and REG_EQUIV notes.
2821
2822 2010-03-22  Richard Guenther  <rguenther@suse.de>
2823
2824         PR tree-optimization/43390
2825         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2826         sure vector extracts are type correct.
2827
2828 2010-03-22  Richard Guenther  <rguenther@suse.de>
2829
2830         PR middle-end/40106
2831         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2832         x * sqrt (x) even when optimizing for size if the target
2833         has native support for sqrt.
2834
2835 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2836
2837         * varasm.c (make_decl_rtl_for_debug): Also clear
2838         flag_mudflap for the duration of make_decl_rtl call.
2839
2840         PR debug/43443
2841         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2842         locs from preserved VALUEs.
2843
2844 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2845
2846         PR middle-end/42718
2847         * pa.md (movmemsi): Set align to one if zero.
2848         (movmemdi): Likewise.
2849
2850 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2851
2852         PR target/42321
2853         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2854         with their corresponding prologue pushes.
2855
2856 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2857
2858         PR target/43156
2859         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2860         at the begining or end.
2861         (spu_expand_epilogue): Likewise.
2862
2863 2010-03-20  Richard Guenther  <rguenther@suse.de>
2864
2865         PR rtl-optimization/43438
2866         * combine.c (make_extraction): Properly zero-/sign-extend an
2867         extraction of the low part of a CONST_INT.  Also handle
2868         CONST_DOUBLE.
2869
2870 2010-03-19  Mike Stump  <mikestump@comcast.net>
2871
2872         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2873         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2874         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2875
2876 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2877
2878         PR c/43211
2879         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2880         an error.
2881
2882 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2883
2884         PR rtl-optimization/42258
2885         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2886         use that may match DEF.
2887
2888         PR target/40697
2889         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2890         the cost of loading the constant rather than assuming
2891         COSTS_N_INSNS (1).
2892         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2893         outer code is AND, do the same tests as the andsi3 expander and
2894         return COSTS_N_INSNS (1) if and is cheap.
2895
2896         * optabs.c (avoid_expensive_constant): Fix formatting.
2897
2898 2010-03-19  Michael Matz  <matz@suse.de>
2899
2900         PR c++/43116
2901         * attribs.c (decl_attributes): When rebuilding a function pointer
2902         type use the same qualifiers as the original pointer type.
2903
2904 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2905
2906         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2907         and is_gimple_ip_invariant_address.
2908
2909 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2910
2911         Revert
2912         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2913
2914         * config/arm/arm.c (arm_override_options): Turn off
2915         flag_dwarf2_cfi_asm for AAPCS variants.
2916
2917 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2918
2919         PR target/43399
2920         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2921         Use PRE_MODIFY instead of PRE_DEC.
2922         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2923         (vfp_emit_fstmd): Likewise.
2924
2925 2010-03-19  Michael Matz  <matz@suse.de>
2926
2927         PR target/43305
2928         * builtins.c (expand_builtin_interclass_mathfn,
2929         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2930         if that fails.
2931
2932 2010-03-19  Richard Guenther  <rguenther@suse.de>
2933
2934         PR tree-optimization/43415
2935         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2936         (phi_translate_1): ... this.
2937         (phi_translate): Move all caching here.  Cache all NARY
2938         and REFERENCE translations.
2939
2940 2010-03-19  David S. Miller  <davem@davemloft.net>
2941
2942         With help from Eric Botcazou.
2943         * config/sparc/sparc.c: Include dwarf2out.h.
2944         (emit_pic_helper): Delete.
2945         (pic_helper_symbol_name): Delete.
2946         (pic_helper_emitted_p): Delete.
2947         (pic_helper_needed): New.
2948         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2949         (get_pc_thunk_name): New.
2950         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2951         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2952         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2953         (sparc_expand_prologue): Update load_pic_register call.
2954         (sparc_output_mi_thunk): Likewise.
2955         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2956         thunk if possible.  Output CFI information as needed.
2957
2958 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2959             Jack Howarth <howarth@bromo.med.uc.edu>
2960
2961         PR target/36399
2962         * config/i386/i386.h: Fix ABI on darwin x86-32.
2963
2964 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2965
2966         * tree.h: Declare make_decl_rtl_for_debug.
2967         * varasm.c (make_decl_rtl_for_debug): New.
2968         * dwarf2out.c (rtl_for_decl_location): Call it.
2969         * cfgexpand.c (expand_debug_expr): Call it.
2970
2971 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2972
2973         PR bootstrap/43399
2974         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2975         mem_mode.
2976
2977         PR bootstrap/43403
2978         * var-tracking.c (vt_init_cfa_base): Do nothing if
2979         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2980
2981 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
2982
2983         PR debug/42873
2984         * var-tracking.c (canonicalize_vars_star): New.
2985         (dataflow_post_merge_adjust): Use it.
2986
2987 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2988
2989         PR debug/43058
2990         * var-tracking.c (non_suitable_const): New function.
2991         (add_uses): For DEBUG_INSNs with constants, don't record any
2992         value, instead just the constant value itself.
2993         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2994         is not VAR_LOC_UNKNOWN_P, set var to the constant.
2995         (emit_notes_in_bb): Likewise.
2996         (emit_note_insn_var_location): For onepart variables if
2997         cur_loc is a VOIDmode constant, use DECL_MODE.
2998
2999 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3000
3001         PR middle-end/42450
3002         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3003         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3004         all non-clones.  Moved call redirection...
3005         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3006         (cgraph_materialize_all_clones): Dispose of all
3007         combined_args_to_skip bitmaps.
3008         (verify_cgraph_node): Do not check for edges pointing to wrong
3009         nodes in inline clones.
3010         * tree-inline.c (copy_bb): Call
3011         cgraph_redirect_edge_call_stmt_to_callee.
3012         * ipa.c (cgraph_remove_unreachable_nodes): Call
3013         cgraph_node_remove_callees even when there are used clones.
3014
3015 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3016
3017         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3018
3019 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3020
3021         PR target/43383
3022         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3023         for 32bit.
3024
3025 2010-03-18  Michael Matz  <matz@suse.de>
3026
3027         PR middle-end/43419
3028         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3029         into sqrt(x) if we need to preserve signed zeros.
3030
3031 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3032             Eric Botcazou  <ebotcazou@adacore.com>
3033
3034         PR rtl-optimization/43360
3035         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3036         note if we don't know its invariant status.
3037
3038 2010-03-18  Michael Matz  <matz@suse.de>
3039
3040         PR tree-optimization/43402
3041         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3042         PHI chains of ssa names registered for update.
3043
3044 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3045
3046         PR target/42427
3047         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3048         non-offsettable and pre_modify update addressing.
3049         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3050         and "2" alternatives "#".
3051         (*movdd_softfloat32): Make all alternatives "#";
3052         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3053         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3054         (*movdf_softfloat32): Make all alternatives "#";
3055         (movdi): Use the new DIFD mode iterator to create a common splitter
3056         for movdi, movdf and movdd patterns.
3057
3058 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3059
3060         * common.opt (dumpdir): Remove redundant tab.
3061
3062 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3063
3064         PR tree-optimization/43347
3065         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3066         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3067
3068 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3069
3070         PR rtl-optimization/42216
3071         * regrename.c (create_new_chain): New function, broken out from...
3072         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3073         appending a use to an empty chain.
3074         (build_def_use): Remove previous changes that convert OP_INOUT to
3075         OP_OUT operands; instead detect the case where an OP_INOUT operand
3076         uses a previously untracked register and create an empty chain for it.
3077
3078 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3079
3080         * doc/extend.texi (Function Attributes): Rewrite unfinished
3081         sentence in ms_abi documentation.
3082
3083 2010-03-17  Alan Modra  <amodra@gmail.com>
3084
3085         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3086         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3087         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3088         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3089
3090 2010-03-16  Richard Henderson  <rth@redhat.com>
3091
3092         PR middle-end/43365
3093         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3094         (lower_try_finally): Save and restore eh_seq around the expansion
3095         of the try-finally.
3096
3097 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3098
3099         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3100         statements before splitting block.
3101
3102 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3103
3104         * doc/sourcebuild.texi (Testsuites): Fix markup.
3105         Use pathnames relative to gcc/testsuite.
3106         (Test Directives): Move description of how timeout is determined.
3107         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3108         (C Tests): Correct gcc.misc-tests directory.
3109         Framework tests now live in gcc.test-framework.
3110
3111 2010-03-16  Richard Guenther  <rguenther@suse.de>
3112
3113         PR middle-end/43379
3114         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3115         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3116
3117 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3118             Alexandre Oliva  <aoliva@redhat.com>
3119
3120         PR tree-optimization/42917
3121         * lambda-code.c (remove_iv): Skip debug statements.
3122         (lambda_loopnest_to_gcc_loopnest): Likewise.
3123         (not_interesting_stmt): Debug statements are not interesting.
3124
3125 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3126
3127         PR debug/43051
3128         PR debug/43092
3129         * cselib.c (cselib_preserve_constants,
3130         cfa_base_preserved_val): New static variables.
3131         (preserve_only_constants): New function.
3132         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3133         clear its REG_VALUES.  If cselib_preserve_constants, don't
3134         empty the whole hash table, but preserve there VALUEs with constants,
3135         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3136         (cselib_preserve_cfa_base_value): New function.
3137         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3138         (cselib_init): Change argument to int bitfield.  Set
3139         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3140         is in it.
3141         (cselib_finish): Clear cselib_preserve_constants and
3142         cfa_base_preserved_val.
3143         * cselib.h (enum cselib_record_what): New enum.
3144         (cselib_init): Change argument to int.
3145         (cselib_preserve_cfa_base_value): New prototype.
3146         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3147         * dse.c (dse_step1): Likewise.
3148         * cfgcleanup.c (thread_jump): Likewise.
3149         * sched-deps.c (sched_analyze): Likewise.
3150         * gcse.c (local_cprop_pass): Likewise.
3151         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3152         If FN is non-NULL, call the callback always and whenever it returns
3153         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3154         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3155         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3156         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3157         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3158         * var-tracking.c: Include recog.h.
3159         (bb_stack_adjust_offset): Remove.
3160         (vt_stack_adjustments): Don't call it, instead just gather the
3161         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3162         (adjust_stack_reference): Remove.
3163         (compute_cfa_pointer): New function.
3164         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3165         (struct adjust_mem_data): New type.
3166         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3167         functions.
3168         (get_address_mode): New function.
3169         (replace_expr_with_values): Use it.
3170         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3171         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3172         (adjust_sets): Remove.
3173         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3174         Use get_address_mode.
3175         (get_adjusted_src): Remove.
3176         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3177         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3178         (add_with_sets): Don't call adjust_sets.
3179         (fp_setter, vt_init_cfa_base): New functions.
3180         (vt_initialize): Change return type to bool.  Move most of pool etc.
3181         initialization to the beginning of the function from end.  Pass
3182         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3183         If !frame_pointer_needed, call vt_stack_adjustment before mos
3184         vector is filled, call vt_init_cfa_base if argp/framep has been
3185         eliminated to sp.  If frame_pointer_needed and argp/framep has
3186         been eliminated to hard frame pointer, set
3187         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3188         encountering fp setter in the prologue.  For MO_ADJUST, call
3189         log_op_type before pusing the op into mos vector, not afterwards.
3190         Call adjust_insn before cselib_process_insn/add_with_sets,
3191         call cancel_changes (0) afterwards.
3192         (variable_tracking_main_1): Adjust for vt_initialize calling
3193         vt_stack_adjustments and returning whether it succeeded or not.
3194
3195 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3196
3197         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3198         debug statements.
3199
3200 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3201
3202         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3203         has been set.
3204         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3205         drap_reg has not been set.
3206
3207 2010-03-15  Michael Matz  <matz@suse.de>
3208
3209         PR middle-end/43300
3210         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3211         use it to expand block copies.
3212         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3213         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3214         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3215
3216 2010-03-15  Richard Guenther  <rguenther@suse.de>
3217
3218         PR tree-optimization/43367
3219         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3220         elimination check.
3221
3222 2010-03-15  Richard Guenther  <rguenther@suse.de>
3223
3224         PR tree-optimization/43317
3225         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3226
3227 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3228
3229         PR tree-optimization/43141
3230         * tree-sra.c (create_abstract_origin): New function.
3231         (modify_function): Call create_abstract_origin.
3232
3233 2010-03-15  Chris Demetriou  <cgd@google.com>
3234
3235         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3236         wasn't copied.
3237
3238 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3239
3240         PR middle-end/43354
3241         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3242         call insert_out_of_ssa_copy for default definitions.
3243
3244 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         * graphite-clast-to-gimple.c (my_long_long): Defined.
3247         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3248         * graphite-sese-to-poly.c (my_long_long): Defined.
3249         (scop_ivs_can_be_represented): Use it.
3250
3251 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3252
3253         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3254         graphite-max-bbs-per-function, and loop-block-tile-size.
3255         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3256         with "maximum".
3257         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3258
3259 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3260
3261         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3262         forward declaration.
3263         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3264         (add_upper_bounds_from_estimated_nit): New.
3265         (build_loop_iteration_domains): Use it.
3266
3267 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3268
3269         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3270
3271 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         PR middle-end/43306
3274         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3275         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3276
3277 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3278
3279         * graphite.c (graphite_initialize): To bound the number of bbs per
3280         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3281         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3282         * doc/invoke.texi: Document it.
3283
3284 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3285
3286         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3287         * graphite-sese-to-poly.h (build_poly_scop): Same.
3288
3289 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3290
3291         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3292         the number of parameters in the scop.  Use as an upper bound
3293         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3294         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3295         * doc/invoke.texi: Document it.
3296
3297 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3298
3299         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3300         * doc/c-tree.texi: Remove.
3301         * doc/generic.texi: Merge c-tree.texi here.
3302         * doc/gccint.texi (Trees): Remove menu entry.
3303         (c-tree.texi): Remove @include.
3304         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3305         * doc/languages.texi (Reading RTL): Ditto.
3306
3307 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3308
3309         PR target/42869
3310         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3311
3312 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3313
3314         PR middle-end/42431
3315         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3316         code added to work around reload clobbering CONST insns.
3317
3318 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3319
3320         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3321         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3322         (cselib_preserve_only_values): Remove retain argument, don't
3323         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3324         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3325         * var-tracking.c (micro_operation): Move insn field before union.
3326         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3327         (struct variable_tracking_info_def): Remove n_mos field, change
3328         mos into a vector of micro_operations.
3329         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3330         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3331         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3332         changing into a vector.
3333         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3334         come before all other uops generated by add_stores.
3335         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3336         argument removal.
3337         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3338         a vector.  Run just one pass over the bbs instead of separate counting
3339         and computation phase.
3340         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3341
3342         PR debug/43329
3343         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3344         into *nonlocalized_list vector.
3345         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3346         even if origin is non-NULL.
3347         (gen_variable_die): Likewise.
3348         (process_scope_var): Don't change origin.
3349         (gen_decl_die): Likewise.
3350         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3351         before adding new edges instead of after it, fix moving over
3352         debug stmts.
3353
3354 2010-03-11  David S. Miller  <davem@davemloft.net>
3355
3356         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3357         of four.
3358         * configure: Rebuild.
3359
3360 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3361
3362         PR tree-optimization/43257
3363         * tree.c (assign_assembler_name_if_neeeded): New function.
3364         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3365         above new function.
3366         * tree.h (assign_assembler_name_if_neeeded): Declare.
3367         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3368         the function if needed.
3369
3370 2010-03-11  Chris Demetriou  <cgd@google.com>
3371
3372         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3373         include/stdint-gcc.h, and include/stdint.h world-readable.
3374
3375 2010-03-11  Richard Guenther  <rguenther@suse.de>
3376
3377         PR tree-optimization/43255
3378         * tree-vrp.c (process_assert_insertions_for): Do not insert
3379         asserts for trivial conditions.
3380
3381 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3382
3383         PR tree-optimization/43280
3384         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3385         generation.  Move calculation of size out of the if branch.
3386         (find_bswap): Modify compare number generation.
3387
3388 2010-03-11  Richard Guenther  <rguenther@suse.de>
3389
3390         PR lto/43200
3391         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3392         (input_gimple_stmt): Fixup handled component types during
3393         operand read.  Also fix up decls in ADDR_EXPRs.
3394
3395 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3396
3397         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3398         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3399
3400 2010-03-10  Jan Hubicka  <jh@suse.cz>
3401
3402         PR c/43288
3403         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3404         * varasm.c (get_variable_section): Don't do that here...
3405         (make_decl_rtl): ... and here.
3406         (do_assemble_alias): Produce decl RTL.
3407         (assemble_alias): Likewise.
3408
3409 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3410
3411         PR debug/43290
3412         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3413         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3414         of fde->vdrap_reg.
3415         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3416         (based_loc_descr): Only express drap or vdrap regno based expressions
3417         using DW_OP_fbreg when not optimizing.
3418         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3419         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3420         REG_CFA_SET_VDRAP note.
3421
3422 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3423
3424         PR tree-optimization/43236
3425         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3426         error in calculation of base address in reverse iteration case.
3427         (generate_builtin): Take number of latch executions if the statement
3428         is in the latch.
3429
3430 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3431
3432         PR middle-end/42859
3433         * tree-eh.c: Include pointer-set.h.
3434         (lower_eh_dispatch): Filter out duplicate case labels and
3435         remove the unneeded edge when the label is unused.  Return
3436         true when some edges are removed.
3437         (execute_lower_eh_dispatch): When any lowering resulted in
3438         removing an edge, also delete unreachable blocks.
3439
3440 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3441
3442         PR bootstrap/43287
3443         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3444 &n