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2010-04-21 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-21  Richard Guenther  <rguenther@suse.de>
2
3         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
4         to non-pointer objects.
5
6 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
7
8         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
9         last chain entry if it starts with the still current label.
10         (add_location_or_const_value_attribute): Check that
11         loc_list->first->next is NULL instead of comparing ->first with
12         ->last.
13         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
14         to add_var_loc_to_decl.
15
16         * dwarf2out.c (output_call_frame_info): For dw_cie_version
17         >= 4 add also address size and segment size fields into CIE
18         header.
19
20         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
21         long as address size is the same as sizeof (void *) and
22         segment size is 0.
23         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
24         address size or segment size is unexpected, return DW_EH_PE_omit.
25         (classify_object_over_fdes): If get_cie_encoding returned
26         DW_EH_PE_omit, return -1.
27         (init_object): If classify_object_over_fdes returned -1,
28         pretend there were no FDEs at all.
29
30 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
31
32         * config/i386/i386.md (bswap<mode>2): Macroize expander from
33         bswap{si,di}2 using SWI48 mode iterator.
34         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
35         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
36         set modrm attribute of bswap insn to 0 and remove length attribute.
37         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
38         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
39         set mode attribute to <MODE> and remove length attribute.
40
41 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
42
43         PR rtl-optimization/43520
44         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
45         zero available registers.
46
47 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
48
49         * builtins.c (fold_builtin_cproj): Fold more cases.
50
51 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
52
53         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
54         (fold_builtin_1): Fold builtin cproj.
55         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
56         Use ATTR_CONST_NOTHROW_LIST.
57
58 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
59
60         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
61         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
62         ffsi2_no_cmove for !TARGET_CMOVE.
63         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
64         (ffssi2): Remove expander.
65         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
66         mode iterator.
67         (ctz<mode>2): Ditto from ctz{si,di}2.
68         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
69         mode iterator.
70         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
71         mode iterator.
72
73 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
74
75         * dwarf2out.c (AT_linkage_name): Define.
76         (clone_as_declaration): Handle DW_AT_linkage_name.
77         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
78         of DW_AT_MIPS_linkage_name.
79         (move_linkage_attr): Likewise.
80         (dwarf2out_finish): Likewise.
81
82 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
83
84         PR middle-end/41952
85         * fold-const.c (fold_comparison): New folding rule.
86
87 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
88
89         * double-int.h (double_int_setbit): Declare.
90         * double-int.c (double_int_setbit): New function.
91         * rtl.h (immed_double_int_const): Declare.
92         * emit-rtl.c (immed_double_int_const): New function.
93         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
94         and immed_double_int_const functions.
95         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
96         expand_copysign_bit):  (Ditto.).
97         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
98         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
99         * dojump.c (prefer_and_bit_test): (Ditto.).
100         * expr.c (convert_modes, reduce_to_bit_field_precision,
101         const_vector_from_tree): (Ditto.).
102         * expmed.c (mask_rtx, lshift_value): (Ditto.).
103
104 2010-04-20  Jan Hubicka  <jh@suse.cz>
105
106         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
107         (dump_cgraph_node): Dump new flags.
108         * cgraph.h (struct cgraph_node): Add flags
109         reachable_from_other_partition and in_other_partition.
110         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
111         other partition can not be removed.
112         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
113         the other partition must be output; silence sanity checking on
114         leaking functions bodies from other paritition.
115         * lto-cgraph.c (reachable_from_other_partition_p): New function.
116         (lto_output_node): Output new flags; do not sanity check that inline
117         clones are output; drop lto_forced_extern_inline_p code; do not mock
118         visibility flags at partition boundaries.
119         (add_node_to): New function.
120         (output_cgraph): Use it to sort functions so masters appear before
121         clones.
122         (input_overwrite_node): Input new flags.
123         * passes.c (ipa_write_summaries): Do not call
124         lto_new_extern_inline_states.
125         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
126         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
127         lto_forced_extern_inline_p): Kill.
128         * lto-streamer.h (lto_new_extern_inline_states,
129         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
130         lto_forced_extern_inline_p): Kill.
131
132 2010-04-20  Richard Guenther  <rguenther@suse.de>
133
134         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
135         from vars that can have pointers.
136         (process_constraint): Dump useless constraints.
137
138 2010-04-20  Richard Guenther  <rguenther@suse.de>
139
140         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
141         (dump_sa_points_to_info): Remove asserts.
142         (init_base_vars): nothing_id isn't an escape point nor does it
143         have pointers.
144
145 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
146
147         * tree.h (TYPE_REF_IS_RVALUE): Define.
148         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
149         should_move_die_to_comdat, prune_unused_types_walk): Handle
150         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
151         (modified_type_die, gen_reference_type_die): Emit
152         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
153         if TYPE_REF_IS_RVALUE and -gdwarf-4.
154
155 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
156
157         PR target/43635
158         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
159         calls for -fpic -m31 if they have been sibcall optimized.
160
161 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
162
163         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
164         ar.lc fixed and call-used.
165
166         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
167
168 2010-04-19  Jan Hubicka  <jh@suse.cz>
169
170         * opts.c (decode_options): Disable whpr incompatible passes.
171         * lto/lto.c (lto_1_to_1_map): Skip clones.
172         (read_cgraph_and_symbols): Do not mark everything as needed.
173         (do_whole_program_analysis): Do map only after optimizing;
174         set proper cgraph_state; use passmanager.
175
176 2010-04-19  DJ Delorie  <dj@redhat.com>
177
178         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
179         POINTER_PLUS_EXPR and fix them.
180
181 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
182
183         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
184         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
185         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
186         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
187         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
188         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
189         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
190         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
191         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
192         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
193         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
194
195 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
196
197         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
198         (check_cond_move_block): Likewise.
199         (cond_move_process_if_block): Likewise.
200         (noce_find_if_block): Improve formatting.
201         (find_if_header): Pass 0 to memset and tweak conditions.
202         (cond_exec_find_if_block): Fix long lines and tweak conditions.
203
204 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
205
206         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
207         for -gdwarf-4.
208
209         PR middle-end/43337
210         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
211         with non-local decl doesn't need chain.
212
213 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
214
215         * ira-color.c (allocno_reload_assign): Avoid accumulating
216         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
217
218 2010-04-19  Martin Jambor  <mjambor@suse.cz>
219
220         * gimple.h (create_tmp_reg): Declare.
221         * gimplify.c (create_tmp_reg): New function.
222         (gimplify_return_expr): Use create_tmp_reg.
223         (gimplify_omp_atomic): Likewise.
224         (gimple_regimplify_operands): Likewise.
225         * tree-dfa.c (make_rename_temp): Likewise.
226         * tree-predcom.c (predcom_tmp_var): Likewise.
227         (reassociate_to_the_same_stmt): Likewise.
228         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
229         (get_replaced_param_substitute): Likewise.
230         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
231         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
232         * tree-ssa-pre.c (get_representative_for): Likewise.
233         (create_expression_by_pieces): Likewise.
234         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
235         (create_tailcall_accumulator): Likewise.
236
237 2010-04-19  Martin Jambor  <mjambor@suse.cz>
238
239         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
240         new_stmt.
241         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
242
243 2010-04-19  Richard Guenther  <rguenther@suse.de>
244
245         PR tree-optimization/43796
246         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
247         from SCEV in the lattice.
248         (vrp_visit_phi_node): Dump change.
249
250 2010-04-19  Richard Guenther  <rguenther@suse.de>
251
252         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
253         * configure: Re-generated.
254
255 2010-04-19  Richard Guenther  <rguenther@suse.de>
256
257         PR tree-optimization/43783
258         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
259         constant ARRAY_REF operands two and three if possible.
260
261 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
262
263         PR target/43766
264         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
265
266 2010-04-19  Jie Zhang  <jie@codesourcery.com>
267
268         PR target/43662
269         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
270
271 2010-04-19 Ira Rosen <irar@il.ibm.com>
272
273         PR tree-optimization/37027
274         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
275         and macro to access it.
276         (vectorizable_reduction): Add argument.
277         (vect_get_slp_defs): Likewise.
278         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
279         statements for possible use in SLP.
280         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
281         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
282         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
283         add new argument.
284         (vectorizable_reduction): Likewise.
285         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
286         vect_get_slp_defs.
287         (vectorizable_type_demotion, vectorizable_type_promotion,
288         vectorizable_store): Likewise.
289         (vect_analyze_stmt): Update call to vectorizable_reduction.
290         (vect_transform_stmt): Likewise.
291         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
292         (vect_build_slp_tree): Fix indentation. Check that there are no loads
293         from different interleaving chains in same node.
294         (vect_slp_rearrange_stmts): New function.
295         (vect_supported_load_permutation_p): Allow load permutations for
296         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
297         inside SLP nodes if necessary.
298         (vect_analyze_slp_instance): Handle reductions.
299         (vect_analyze_slp): Try to build SLP instances originating from groups
300         of reductions.
301         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
302         (vect_get_constant_vectors): Create initial vectors for reductions
303         according to reduction code. Add new argument.
304         (vect_get_slp_defs): Add new argument, pass it to
305         vect_get_constant_vectors.
306         (vect_schedule_slp_instance): Remove SLP tree root statements.
307
308 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
309
310         * tree.h (ENUM_IS_SCOPED): Define.
311         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
312         for ENUM_IS_SCOPED enums.
313
314 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
315
316         * fold-const.c (fold_comparison): Use ssizetype.
317         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
318         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
319         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
320         * tree-object-size.c (compute_object_sizes): Use size_type_node.
321
322         * tree.h (initialize_sizetypes): Remove parameter.
323         (build_common_tree_nodes): Remove second parameter.
324         * stor-layout.c (initialize_sizetypes): Remove parameter.
325         Always create an unsigned type.
326         (set_sizetype): Assert that the passed type is unsigned and simplify.
327         * tree.c (build_common_tree_nodes): Remove second parameter.
328         Adjust call to initialize_sizetypes.
329         * c-decl.c (c_init_decl_processing): Remove second argument in call to
330         build_common_tree_nodes.
331
332 2010-04-18  Matthias Klose  <doko@ubuntu.com>
333
334         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
335
336 2010-04-18 Ira Rosen <irar@il.ibm.com>
337
338         PR tree-optimization/43771
339         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
340         load permutation doesn't have gaps.
341
342 2010-04-18  Jan Hubicka  <jh@suse.cz>
343
344         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
345         (sse_prologue_save_insn expander): Use new pattern.
346         (sse_prologue_save_insn1): New pattern and splitter.
347         (sse_prologue_save_insn): Update to deal also with 64bit aligned
348         blocks.
349         * i386.c (setup_incoming_varargs_64): Do not compute jump
350         destination here.
351         (ix86_gimplify_va_arg): Update alignment needed.
352         (ix86_local_alignment): Do not align all local arrays to 128bit.
353
354 2010-04-17  Jan Hubicka  <jh@suse.cz>
355
356         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
357
358 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
359
360         * arm.md (negdi2): Remove redundant code to force values into a
361         register.
362
363 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
364
365         * arm/bpabi.S: Add EABI alignment attributes to objects.
366         * arm/bpabi-v6m.S: Likewise.
367         * arm/crti.asm: Likewise.
368         * arm/crtn.asm: Likewise.
369         * arm/lib1funcs.asm: Likewise.
370         * arm/libunwind.S: Likewise.
371
372 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
373
374         * arm-protos.h (tune_params): New structure.
375         * arm.c (current_tune): New variable.
376         (arm_constant_limit): Delete.
377         (struct processors): Add pointer to the tune parameters.
378         (arm_slowmul_tune): New tuning option.
379         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
380         (all_cores): Adjust to pick up the tuning model.
381         (arm_constant_limit): New function.
382         (arm_override_options): Select the appropriate tuning model.  Delete
383         initialization of arm_const_limit.
384         (arm_split_constant): Use the new constant-limit model.
385         (arm_rtx_costs): Pick up the current tuning model.
386         * arm.md (is_strongarm, is_xscale): Delete.
387         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
388         for Xscale variant architectures.
389         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
390
391 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
392
393         * config/arm/arm.c (arm_gen_constant): Remove unused variable
394         can_shift.
395         (arm_rtx_costs_1): Remove unused variable extra_cost.
396         (arm_unwind_emit_set): Use variable offset.
397         (thumb1_output_casesi): Remove unused variable flags.
398
399 2010-04-16  Jeff Law  <law@redhat.com>
400
401         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
402         needing assignment rather than doing a two-phase assignment.  Remove
403         unused variable 'm'.
404
405 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
406
407         PR bootstrap/43767
408         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
409
410 2010-04-16  Doug Kwan  <dougkwan@google.com>
411
412         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
413         (next_operand_entry_id): New static variable.
414         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
415         (add_to_ops_vec): Assigned unique ID to operand entry.
416         (struct oecount_s): New field ID.
417         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
418         (undistribute_ops_list): Assign unique IDs to oecounts.
419         (init_reassoc): reset next_operand_entry_id.
420
421 2010-04-16  Doug Kwan  <dougkwan@google.com>
422
423         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
424         missing left parenthesis.
425
426 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
427
428         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
429         *btdi_rex64 using SWI48 mode iterator.
430         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
431         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
432         *jcc_btdi_mask_rex64.
433
434 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
435
436         * double-int.h (tree_to_double_int): Convert to macro.
437         * double-int.c (tree_to_double_int): Remove.
438
439 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
440
441         PR debug/43762
442         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
443         with want_address 2 and in case a single element list might be
444         possible, call it again with want_address 0.
445
446 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
447
448         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
449         case 'W' print operands for HI mode.
450         * config/h8300/h8300.h (Y0, Y2) : New constraints.
451         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
452         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
453         * config/h8300/predicate.md (bit_register_indirect_operand): New.
454
455         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
456
457         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
458         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
459         #xx:3 and #xx:4 mode.
460
461         * config/h8300/h8300.md (inverted load with HImode dest): Add
462         support for H8300SX.
463
464         * config/h8300/predicate.md (bit_operand): Allow immediate values that
465         satisfy 'U' constraint.
466
467 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
468
469         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
470         * configure: Regenerate.
471         * config.in: Regenerate.
472         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
473         works.
474
475 2010-04-16  Richard Guenther  <rguenther@suse.de>
476
477         * tree.h (struct tree_decl_minimal): Move pt_uid ...
478         (struct tree_decl_common): ... here.
479         (DECL_PT_UID): Adjust.
480         (SET_DECL_PT_UID): Likewise.
481         (DECL_PT_UID_SET_P): Likewise.
482
483 2010-04-16  Richard Guenther  <rguenther@suse.de>
484
485         PR tree-optimization/43572
486         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
487         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
488         * tree-flow.h (is_call_clobbered): Remove.
489         * tree-flow-inline.h (is_call_clobbered): Likewise.
490         * tree-dfa.c (dump_variable): Do not dump call clobber state.
491         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
492         (execute_return_slot_opt): Adjust.
493         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
494         check for call clobbered vars here.
495         (find_tail_calls): Move tailcall verification to the
496         proper place.
497
498 2010-04-16  Diego Novillo  <dnovillo@google.com>
499
500         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
501
502 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
503
504         PR target/40603
505         * config/arm/arm.md (cbranchqi4): New pattern.
506         * config/arm/predicates.md (const0_operand,
507         cbranchqi4_comparison_operator): New predicates.
508
509 2010-04-16  Richard Guenther  <rguenther@suse.de>
510
511         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
512         (dump_gimple_stmt): Likewise.
513
514 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
515
516         * recog.h (struct recog_data): New field is_operator.
517         (struct insn_operand_data): New field is_operator.
518         * recog.c (extract_insn): Set recog_data.is_operator.
519         * genoutput.c (output_operand_data): Emit code to set the
520         is_operator field.
521         * reload.c (find_reloads): Use it rather than testing for an
522         empty constraint string.
523
524         PR target/41514
525         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
526         If the previous insn is a cbranchsi4_insn with the same arguments,
527         omit the compare instruction.
528
529         * config/arm/arm.md (addsi3_cbranch): If destination is a high
530         register, inputs must be low registers and we need a low register
531         scratch.  Handle alternative 2 like alternative 3.
532
533 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
534
535         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
536         don't call get_addr on both.  If one expression is a VALUE and
537         the other a REG, check VALUE's locs if the REG isn't among them.
538
539 2010-04-16  Christian Bruel  <christian.bruel@st.com>
540
541         * config/sh/sh.h (sh_frame_pointer_required): New function.
542         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
543         (flag_omit_frame_pointer) Set.
544         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
545         (rounded_frame_size): Adjust size with outgoing_args_size.
546         (sh_set_return_address): Must return from stack pointer.
547         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
548         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
549         (ACCUMULATE_OUTGOING_ARGS): Define.
550         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
551         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
552
553 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
554
555         PR target/43471
556         * config/sh/sh.c (sh_legitimize_reload_address): Use
557         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
558         Remove a unneeded check for offset_base.
559
560 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
561
562         * configure: Regenerated.
563
564 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
565
566         * config/s390/s390.c (s390_call_save_register_used): Switch back
567         to HARD_REGNO_NREGS.
568
569 2010-04-15  Richard Guenther  <rguenther@suse.de>
570
571         * alias.c (alias_set_subset_of): Handle alias-set zero
572         child properly.
573
574 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
575             Julian Brown  <julian@codesourcery.com>
576
577         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
578         alternatives according to use of high and low regs.
579         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
580         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
581         optimizing for size on Thumb-2.
582
583 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
584
585         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
586
587 2010-04-15  Richard Guenther  <rguenther@suse.de>
588
589         * tree-ssa-structalias.c (struct variable_info): Add
590         is_fn_info flag.
591         (new_var_info): Initialize it.
592         (dump_constraints): Support printing last added constraints.
593         (debug_constraints): Adjust.
594         (dump_constraint_graph): Likewise.
595         (make_heapvar_for): Check for NULL cfun.
596         (get_function_part_constraint): New function.
597         (get_fi_for_callee): Likewise.
598         (find_func_aliases): Properly implement IPA PTA constraints.
599         (process_ipa_clobber): New function.
600         (find_func_clobbers): Likewise.
601         (insert_into_field_list_sorted): Remove.
602         (create_function_info_for): Properly allocate vars for IPA mode.
603         Do not use insert_into_field_list_sorted.
604         (create_variable_info_for): Properly generate constraints for
605         global vars in IPA mode.
606         (dump_solution_for_var): Always dump the solution.
607         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
608         (find_what_var_points_to): Adjust.
609         (pt_solution_set): Change.
610         (pt_solution_ior_into): New function.
611         (pt_solution_empty_p): Export.
612         (pt_solution_includes_global): Adjust.
613         (pt_solution_includes_1): Likewise.
614         (pt_solutions_intersect_1): Likewise.
615         (dump_sa_points_to_info): Check some invariants.
616         (solve_constraints): Move constraint dumping ...
617         (compute_points_to_sets): ... here.
618         (ipa_pta_execute): ... and here.
619         (compute_may_aliases): Do not re-compute points-to info
620         locally if IPA info is available.
621         (ipa_escaped_pt): New global var.
622         (ipa_pta_execute): Properly implement IPA PTA.
623         * tree-into-ssa.c (dump_decl_set): Support dumping
624         decls not in referenced-vars.
625         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
626         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
627         (dump_points_to_solution): Likewise.
628         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
629         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
630         (remap_gimple_stmt): Reset call clobber/use information if necessary.
631         (copy_decl_to_var): Copy DECL_PT_UID.
632         (copy_result_decl_to_var): Likewise.
633         * tree.c (make_node_stat): Initialize DECL_PT_UID.
634         (copy_node_stat): Copy it.
635         * tree.h (DECL_PT_UID): New macro.
636         (SET_DECL_PT_UID): Likewise.
637         (DECL_PT_UID_SET_P): Likewise.
638         (struct tree_decl_minimal): Add pt_uid member.
639         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
640         (pt_solution_empty_p): Declare.
641         (pt_solution_set): Adjust.
642         (ipa_escaped_pt): Declare.
643         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
644         * gimple-pretty-print.c (pp_points_to_solution): New function.
645         (dump_gimple_call): Dump call clobber/use information.
646         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
647         * tree-pass.h (TDF_ALIAS): New dump option.
648         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
649         * doc/invoke.texi (-fipa-pta): Update documentation.
650
651 2010-04-15  Richard Guenther  <rguenther@suse.de>
652
653         * Makefile.in (OBJS-common): Add gimple-fold.o.
654         (gimple-fold.o): New rule.
655         * tree.h (maybe_fold_offset_to_reference,
656         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
657         prototypes ...
658         * gimple.h: ... here.
659         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
660         may_propagate_address_into_dereference): Move prototypes ...
661         * gimple.h: ... here.
662         * tree-ssa-ccp.c (get_symbol_constant_value,
663         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
664         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
665         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
666         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
667         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
668         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
669         gimplify_and_update_call_from_tree): Move ...
670         * gimple-fold.c: ... here.  New file.
671         (ccp_fold_builtin): Rename to ...
672         (gimple_fold_builtin): ... this.
673         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
674
675 2010-04-15  Richard Guenther  <rguenther@suse.de>
676
677         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
678         fit_double_type, force_fit_type_double, add_double_with_sign,
679         neg_double, mul_double_with_sign, lshift_double, rshift_double,
680         lrotate_double, rrotate_double, div_and_round_double): Move ...
681         * double-int.c: ... here.
682         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
683         add_double, neg_double, mul_double_with_sign, mul_double,
684         lshift_double, rshift_double, lrotate_double, rrotate_double,
685         div_and_round_double): Move prototypes ...
686         * double-int.h: ... here.
687
688 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
689
690         PR target/43742
691         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
692         matching constraints to ensure inputs match the output.
693
694 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
695
696         PR target/43742
697         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
698         in an input-only operand.
699
700 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
701
702         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
703         (double_int_not, double_int_lshift, double_int_rshift): Declare.
704         (double_int_negative_p): Convert to static inline function.
705         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
706         (double_int_negative_p): Remove.
707         * tree.h (lshift_double, rshift_double):
708         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
709         * fold-const.c (fold_convert_const_int_from_real,
710         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
711         (lshift_double): Change type of arith argument to bool.
712         (rshift_double): Change type of arith argument to bool. Correct
713         comment.
714         * expmed.c (mask_rtx, lshift_value): (Ditto.).
715
716 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
717
718         PR target/21803
719         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
720         at the start and end of the then/else blocks, and omit them from the
721         conversion.
722         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
723         argument; all callers changed.  Pass zero to old_insns_match_p instead.
724         (flow_find_head_matching_sequence): New function.
725         (old_insns_match_p): Check REG_EH_REGION notes for calls.
726         * basic-block.h (flow_find_cross_jump,
727         flow_find_head_matching_sequence): Declare functions.
728
729 2010-04-14  Jason Merrill  <jason@redhat.com>
730
731         PR c++/36625
732         * c-common.c (attribute_takes_identifier_p): New fn.
733         * c-common.h: Declare it.
734
735 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
736
737         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
738         splitter condition.
739         (*udivmod<mode>4): Ditto.
740
741 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
742
743         * config/i386/i386.md (maxmin_int): Rename code attribute from
744         maxminiprefix and update all users.
745         (maxmin_float): Ditto from maxminfprefix.
746         (logic): Ditto from logicprefix.
747         (absneg_mnemonic): Ditto from absnegprefix.
748         * config/i386/mmx.md: Update all users of maxminiprefix,
749         maxminfprefix and logicprefix for rename.
750         * config/i386/sse.md: Ditto.
751         * config/i386/sync.md (sync_<code><mode>): Update for
752         logicprefix rename.
753
754 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
755
756         PR 42966
757         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
758         warnings converted to errors.
759
760 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
761
762         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
763         used insn_type variable.
764         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
765         to avoid set-but-not-used warning.
766
767 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
768
769         * df-core.c (df_ref_debug): Change format string placeholder
770         from 0x%x to %#x.
771         * dwarf2asm.c (dw2_asm_output_data_raw,
772         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
773         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
774         * dwarf2out.c (output_cfi, output_cfi_directive,
775         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
776         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
777         Ditto.
778         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
779         * print-rtl.c (print_rtx): Ditto.
780
781 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
782
783         PR middle-end/42694
784         * builtins.c (expand_builtin_pow_root): New function to expand pow
785         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
786         series of sqrt and cbrt calls under -ffast-math.
787         (expand_builtin_pow): Call it.
788
789 2010-04-14  Michael Matz  <matz@suse.de>
790
791         PR tree-optimization/42963
792         * tree-cfg.c (touched_switch_bbs): New static variable.
793         (group_case_labels_stmt): New function broken out from ...
794         (group_case_labels): ... here, use the above.
795         (start_recording_case_labels): Allocate touched_switch_bbs.
796         (end_recording_case_labels): Deallocate it, call
797         group_case_labels_stmt.
798         (gimple_redirect_edge_and_branch): Remember index of affected BB.
799
800 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
801
802         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
803         from insn template.
804
805 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
806
807         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
808
809 2010-04-13  Jan Hubicka  <jh@suse.cz>
810
811         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
812         of optimized out static functions.
813         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
814         cost computation.  Also sanity check for overflows.
815         (update_caller_keys): Update cgraph_edge_badness call; properly
816         update fibheap and sanity check that it is up to date.
817         (add_new_edges_to_heap): Update cgraph_edge_badness.
818         (cgraph_decide_inlining_of_small_function): Likewise;
819         add sanity checking that badness in heap is up to date;
820         improve dumping of reason; Update badness of calls to the
821         offline copy of function currently inlined; dump badness
822         of functions not inlined because of unit growth limits.
823
824 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
825
826         PR middle-end/32628
827         * c-common.c (pointer_int_sum): Disregard overflow that occured only
828         because of sign-extension change when converting to sizetype here...
829         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
830
831         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
832         the folding to constants.  Remove redundant final conversion.
833         (fold_binary) <associate>: Do not associate if the re-association of
834         constants alone overflows.
835         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
836         to the end of the list.
837         (multiple_of_p) <COND_EXPR>: New case.
838
839 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
840
841         * opt-functions.awk (opt_sanitized_name): New.
842         (opt_enum): New.
843         * optc-gen.awk: Use it
844         * opth-gen.awk: Use it.
845
846 2010-04-13  Martin Jambor  <mjambor@suse.cz>
847
848         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
849         (sra_modify_assign): Delete stmts loading dead data even if racc has no
850         children.  Call replace_uses_with_default_def_ssa_name to handle
851         SSA_NAES on lhs.
852
853 2010-04-13  Michael Matz  <matz@suse.de>
854
855         PR middle-end/43730
856         * builtins.c (expand_builtin_interclass_mathfn): Also create
857         a register if the predicate doesn't match.
858
859 2010-04-13  Diego Novillo  <dnovillo@google.com>
860
861         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
862         * c-pch.c: Include timevar.h.
863         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
864         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
865         * ggc-common.c: Include timevar.h.
866         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
867         * timevar.def (TV_PCH_SAVE): Define.
868         (TV_PCH_CPP_SAVE): Define.
869         (TV_PCH_PTR_REALLOC): Define.
870         (TV_PCH_PTR_SORT): Define.
871         (TV_PCH_RESTORE): Define.
872         (TV_PCH_CPP_RESTORE): Define.
873
874 2010-04-13  Michael Matz  <matz@suse.de>
875
876         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
877         into MINUS_EXPRs.
878         (can_reassociate_p): New function.
879         (break_up_subtract_bb, reassociate_bb): Use it.
880
881 2010-04-13  Richard Guenther  <rguenther@suse.de>
882
883         PR bootstrap/43737
884         * builtins.c (c_readstr): Fix assert.
885
886 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
887
888         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
889         when generating cltd insn.
890
891         (*ashl<mode>3_1): Remove special handling for register operand 2.
892         (*ashlsi3_1_zext): Ditto.
893         (*ashlhi3_1): Ditto.
894         (*ashlhi3_1_lea): Ditto.
895         (*ashlqi3_1): Ditto.
896         (*ashlqi3_1_lea): Ditto.
897         (*<shiftrt_insn><mode>3_1): Ditto.
898         (*<shiftrt_insn>si3_1_zext): Ditto.
899         (*<shiftrt_insn>qi3_1_slp): Ditto.
900         (*<rotate_insn><mode>3_1): Ditto.
901         (*<rotate_insn>si3_1_zext): Ditto.
902         (*<rotate_insn>qi3_1_slp): Ditto.
903
904 2010-04-13  Richard Guenther  <rguenther@suse.de>
905
906         * tree-ssa-structalias.c (callused_id): Remove.
907         (call_stmt_vars): New.
908         (get_call_vi): Likewise.
909         (lookup_call_use_vi): Likewise.
910         (lookup_call_clobber_vi): Likewise.
911         (get_call_use_vi): Likewise.
912         (get_call_clobber_vi): Likewise.
913         (make_transitive_closure_constraints): Likewise.
914         (handle_const_call): Adjust to do per-call call-used handling.
915         (handle_pure_call): Likewise.
916         (find_what_var_points_to): Remove general callused handling.
917         (init_base_vars): Likewise.
918         (init_alias_vars): Initialize call_stmt_vars.
919         (compute_points_to_sets): Process call-used and call-clobbered
920         vars for call statements.
921         (delete_points_to_sets): Free call_stmt_vars.
922
923 2010-04-13  Richard Guenther  <rguenther@suse.de>
924
925         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
926         Only add RW dependence for dependence distance zero.
927         Adjust maximal vectorization factor according to dependences.
928         Move alignment handling ...
929         (vect_find_same_alignment_drs): ... here.  New function.
930         (vect_analyze_data_ref_dependences): Adjust.
931         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
932         (vect_analyze_data_refs): Adjust minimal vectorization factor
933         according to data references.
934         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
935         dependences before determining the vectorization factor.
936         Analyze alignment after determining the vectorization factor.
937         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
938         dependences before alignment.
939         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
940         Adjust prototype.
941         (vect_analyze_data_refs): Likewise.
942         (MAX_VECTORIZATION_FACTOR): New define.
943
944 2010-04-13  Duncan Sands  <baldrick@free.fr>
945
946         * except.h (lang_eh_type_covers): Remove.
947         * except.c (lang_eh_type_covers): Likewise.
948
949 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
950             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
951
952         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
953         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
954         UNITS_PER_LONG where it is ABI relevant.
955         (s390_return_addr_rtx): Likewise.
956         (s390_back_chain_rtx): Likewise.
957         (s390_frame_area): Likewise.
958         (s390_frame_info): Likewise.
959         (s390_initial_elimination_offset): Likewise.
960         (save_gprs): Likewise.
961         (s390_emit_prologue): Likewise.
962         (s390_emit_epilogue): Likewise.
963         (s390_function_arg_advance): Likewise.
964         (s390_function_arg): Likewise.
965         (s390_va_start): Likewise.
966         (s390_gimplify_va_arg): Likewise.
967         (s390_function_profiler): Likewise.
968         (s390_optimize_prologue): Likewise.
969         (s390_rtx_costs): Likewise.
970         (s390_secondary_reload): Likewise.
971         (s390_promote_function_mode): Likewise.
972         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
973         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
974         registers available.
975         (s390_unwind_word_mode): New function.
976         (s390_function_value): Split 64 bit values into register pair if
977         used as return value.
978         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
979         function call parameters.  Handle parallels.
980         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
981         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
982         (DWARF_CIE_DATA_ALIGNMENT): New macro.
983         (s390_expand_setmem): Remove unused variable src_addr.
984         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
985         deal with 64 bit registers.
986         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
987         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
988         (UNITS_PER_LONG): New macro.
989         * libjava/include/s390-signal.h: Define extended ucontext
990         structure containing the upper halfs of the 64 bit registers.
991
992 2010-04-13  Simon Baldwin  <simonb@google.com>
993
994         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
995
996 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
997
998         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
999         rvalue on the RHS if the LHS is of a non-renamable type.
1000         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1001
1002 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1003
1004         * gcc.c (cc1_options): Handle -iplugindir before processing
1005         the cc1 spec. Only add -iplugindir once.
1006         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1007         found.
1008         * common.opt (iplugindir): Remove `Separate' property, initialize.
1009         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1010         option.
1011         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1012         (distclean): Remove plugin dir.
1013         * doc/invoke.texi: Document -iplugindir.
1014
1015 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1016
1017         * doc/plugins.texi (Loading Plugins): Document short
1018         -fplugin=foo option.
1019         (Plugin API): Mention default_plugin_dir_name function.
1020
1021         * gcc.c (find_file_spec_function): Add new declaration.
1022         (static_spec_func): Use it for "find-file".
1023         (find_file_spec_function): Add new function.
1024         (cc1_options): Add -iplugindir option if -fplugin* options found.
1025
1026         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1027
1028         * plugin.c (add_new_plugin): Updated comment, and handle short
1029         plugin name.
1030         (default_plugin_dir_name): Added new function.
1031
1032         * common.opt (iplugindir): New option to set the plugin directory.
1033
1034 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1035
1036         * config/i386/i386.md (any_rotate): New code iterator.
1037         (rotate_insn): New code attribute.
1038         (rotate): Ditto.
1039         (SWIM124): New mode iterator.
1040         (<rotate_insn>ti3): New expander.
1041         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1042         any_rotate code iterator.
1043         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1044         using any_rotate code iterator and SWIM124 mode iterator.
1045         (ix86_rotlti3): New insn_and_split pattern.
1046         (ix86_rotrti3): Ditto.
1047         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1048         ix86_rotl{di,ti}3 patterns.
1049         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1050         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1051         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1052         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1053         code iterator and SWI mode iterator.
1054         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1055         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1056         code iterator.
1057         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1058         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1059         (bswap rotatert splitter): Add splitter.
1060         (bswap splitter): Macroize splitter using any_rotate code iterator.
1061         Add insn predicate to split only for TARGET_USE_XCHGB or when
1062         optimizing function for size.
1063
1064 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1065
1066         * config/pa/pa.c (emit_move_sequence): Remove use of
1067         deleted variable flag_argument_noalias.
1068
1069 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1070
1071         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1072         configurations.
1073         Add to unsupported targets list.
1074         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1075         sparc*-sun-solaris2.[567]* from target lists.
1076         * configure: Regenerate.
1077         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1078         removal.
1079         Remove Solaris 7 patch references.
1080         (Specific, sparc-sun-solaris2.7): Removed.
1081         (sparc-sun-solaris2*): Update Solaris 7 example.
1082         (sparc64-*-solaris2*): Likewise.
1083
1084 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1085
1086         * config.build (alpha*-dec-osf4*): Remove.
1087         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1088         of obsolete configurations.
1089         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1090         support.
1091         * config/alpha/t-osf4: Renamed to ...
1092         * config/alpha/t-osf5: ... this.
1093         * config/alpha/osf.h: Renamed to ...
1094         * config/alpha/osf5.h: ... this.
1095         Merged old osf5.h contents.
1096         Update comments.
1097         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1098         (EXTRA_SPECS): Removed.
1099         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1100         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1101         Document that.
1102
1103 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1104
1105         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1106
1107 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1108
1109         PR/43702
1110         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1111         __thiscall convention.
1112
1113 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1114
1115         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1116         orig_base.
1117         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1118
1119 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1120
1121         * function.c (assign_parms_initialize_all): Add unused attribute
1122         to fntype.
1123
1124 2010-04-12  Richard Guenther  <rguenther@suse.de>
1125
1126         * gsstruct.def (GSS_CALL): New.
1127         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1128         * gimple.h: Include tree-ssa-alias.h.
1129         (struct gimple_statement_call): New.
1130         (union gimple_statement_struct_d): Add gimple_call member.
1131         (gimple_call_reset_alias_info): Declare.
1132         (gimple_call_use_set): New function.
1133         (gimple_call_clobber_set): Likewise.
1134         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1135         * gimple.c (gimple_call_reset_alias_info): New function.
1136         (gimple_build_call_1): Call it.
1137         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1138         * tree-inline.c (remap_gimple_stmt): Likewise.
1139         (expand_call_inline): Remove callused handling.
1140         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1141         * tree-dfa.c (dump_variable): Likewise.
1142         * tree-parloops.c (parallelize_loops): Likewise.
1143         * tree-ssa.c (init_tree_ssa): Likewise.
1144         (delete_tree_ssa): Likewise.
1145         * tree-flow-inline.h (is_call_used): Remove.
1146         * tree-flow.h (struct gimple_df): Remove callused member.
1147         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1148         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1149         (ref_maybe_used_by_call_p_1): Simplify.
1150         (call_may_clobber_ref_p_1): Likewise.
1151         * tree-ssa-structalias.c (compute_points_to_sets): Set
1152         the call stmt used and clobbered sets.
1153         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1154         (find_tail_calls): Verify the tail call.
1155
1156 2010-04-12  Richard Guenther  <rguenther@suse.de>
1157
1158         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1159         single-iteration always-inline inlining.
1160         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1161         (cgraph_decide_inlining): Do not handle always-inline specially.
1162         (try_inline): Remove always-inline cycle detection special case.
1163         Do not recurse on always-inlines.
1164         (cgraph_early_inlining): Do not iterate if not optimizing.
1165         (cgraph_gate_early_inlining): remove.
1166         (pass_early_inline): Run unconditionally.
1167         (gate_cgraph_decide_inlining): New function.
1168         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1169         not inlining or optimizing.
1170         (cgraph_decide_inlining_of_small_functions): Also consider
1171         always-inline functions.
1172         (cgraph_default_inline_p): Return true for nodes which should
1173         disregard inline limits.
1174         (estimate_function_body_sizes): Assume zero size and time for
1175         nodes which are marked as disregarding inline limits.
1176         (cgraph_decide_recursive_inlining): Do not perform recursive
1177         inlining on always-inline nodes.
1178
1179 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1180
1181         PR bootstrap/43699
1182         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1183         for exprs satisfying handled_component_p.
1184
1185 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1186
1187         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1188         non-constant aggregate elements.
1189
1190         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1191         is a real initialization.
1192
1193 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1194
1195         PR c/36774
1196         * c-decl.c (start_function): Move forward check for nested function.
1197
1198 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1199
1200         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1201         * config/sh/sh.c: Include reload.h.
1202         (sh_legitimize_reload_address): New.
1203         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1204         sh_legitimize_reload_address.
1205
1206 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1207
1208         * config/sh/sh.md (*movqi_pop): New insn pattern.
1209         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1210
1211 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1212
1213         * config/i386/i386.md (any_shiftrt): New code iterator.
1214         (shiftrt_insn): New code attribute.
1215         (shiftrt): Ditto.
1216         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1217         using any_shiftrt code iterator.
1218         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1219         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1220         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1221         pattern from corresponding peephole2 patterns.
1222         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1223         using any_shiftrt code iterator.
1224         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1225         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1226         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1227         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1228         *{ashr,lshr}<mode>3_cmp_zext.
1229         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1230
1231 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1232
1233         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1234         scratch register.
1235         (*lshr<mode>3_cconly): Ditto.
1236
1237 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1238
1239         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1240         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1241         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1242         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1243         DWI mode iterator.
1244         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1245         from corresponding peephole2 patterns.
1246         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1247         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1248         and *lshrdi3_1_rex64 using SWI mode iterator.
1249         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1250         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1251         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1252         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1253         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1254         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1255         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1256         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1257         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1258         SWI mode iterator.
1259
1260 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1261
1262         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1263         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1264         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1265         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1266         DWI mode iterator.
1267         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1268         from corresponding peephole2 patterns.
1269         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1270         (ashrsi3_cvt): Rename from ashrsi3_31.
1271         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1272         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1273         and x86_64_shift_adj_3 using SWI48 mode iterator.
1274         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1275         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1276         and *ashrdi3_1_rex64 using SWI mode iterator.
1277         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1278         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1279         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1280         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1281         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1282         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1283         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1284         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1285         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1286         SWI mode iterator.
1287         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1288         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1289         x86_shift<mode>_adj_3 expanders.
1290
1291 2010-04-10  Wei Guozhi  <carrot@google.com>
1292
1293         PR target/42601
1294         * config/arm/arm.c (arm_pic_static_addr): New function.
1295         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1296         a static symbol.
1297         (arm_output_addr_const_extra): Output expression for new pattern.
1298         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1299
1300 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1301
1302         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1303         not enabled.
1304
1305         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1306         * web.c: Include "insn-config.h" and "recog.h".
1307         (union_match_dups): New function.
1308         (web_main): Call it.
1309         (union_defs): Don't try to recognize match_dups.
1310
1311         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1312         if doing so would replace the entire pattern.
1313
1314 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1315
1316         PR target/43707
1317         PR target/43709
1318         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1319         and splitter pattern.  Change splitter operand 1 predicate to
1320         nonmemory_operand.
1321
1322 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1323
1324         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1325         lattices are addresses of CONST_DECLs with the same initial value.
1326         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1327         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1328
1329 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1330             Bernd Schmidt  <bernds@codesourcery.com>
1331
1332         * loop-invariant.c (replace_uses): New static function.
1333         (move_invariant_reg): Use it to ensure we can replace the uses.
1334
1335 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1336
1337         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1338         function template.
1339         (picochip_override_options): Enable section anchors only above -O1.
1340         (picochip_reorg): Fixed a couple of build warnings.
1341
1342 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1343
1344         * configure.ac (plugin -rdynamic test): Log result.
1345         * configure: Regenerate.
1346         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1347         (RDYNAMIC_SPEC): Define.
1348         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1349
1350 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1351
1352         * configure.ac: Determine Sun ld version numbers.
1353         (comdat_group): Restrict GNU ld version checks to gld.
1354         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1355         (enable_comdat): Support --enable-comdat.
1356         * configure: Regenerate.
1357         * doc/install.texi (Configuration): Document --enable-comdat.
1358
1359 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1360
1361         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1362         * config/sol2-gld.h: ... here.
1363         * config.gcc (sparc*-*-solaris2*): Reflect this.
1364         (i[34567]86-*-solaris2*): Use it.
1365
1366 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1367
1368         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1369         setup_clocks_p.
1370         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1371
1372 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1373
1374         PR 42965
1375         * diagnostic.c (diagnostic_initialize): Initialize
1376         some_warnings_are_errors.
1377         (diagnostic_finish): New.
1378         (diagnostic_action_after_output): Call it before exiting.
1379         (diagnostic_report_diagnostic): Do not print message here. Set
1380         some_warnings_are_errors.
1381         * diagnostic.h (diagnostic_context): Delete
1382         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1383         (diagnostic_finish): Declare.
1384         * toplev.c (toplev_main): Call it before exit.
1385
1386 2010-04-09  Jason Merrill  <jason@redhat.com>
1387
1388         PR c++/42623
1389         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1390         for incomplete type.
1391
1392         PR c++/41788
1393         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1394         based on a warning flag.
1395
1396 2010-04-09  Richard Guenther  <rguenther@suse.de>
1397
1398         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1399
1400 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1401
1402         PR bootstrap/43684
1403         * varasm.c (default_assemble_visibility): Wrap vars that are
1404         set, but unused, by targets without GAS.
1405         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1406         Remove set, but unused, vars.
1407         (rs6000_legitimize_tls_address): Likewise.
1408         (altivec_expand_dst_builtin): Likewise.
1409         * config/darwin.c (machopic_classify_symbol): Likewise.
1410         (machopic_indirection_name): Likewise.
1411
1412 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1413
1414         * config/i386/i386.md (DWI): New mode iterator.
1415         (S): New mode attribute.
1416         (shift_operand): Ditto.
1417         (shift_immediate_operand): Ditto.
1418         (ashl_input_operand): Ditto.
1419         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1420         using SDWIM mode iterator.
1421         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1422         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1423         DWI mode iterator.
1424         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1425         from corresponding peephole2 patterns.
1426         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1427         and x86_64_shift_adj_1 using SWI48 mode iterator.
1428         (x86_shift<mode>_adj_2): Ditto.
1429         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1430         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1431         using SWI48 mode iterator.
1432         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1433         *ashldi3_cmp_rex64 using SWI mode iterator.
1434         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1435         *ashldi3_cconly_rex64 using SWI mode iterator.
1436         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1437         x86_shift<mode>_adj_{1,2}.
1438         (ix86_split_ashr): Ditto.
1439         (ix86_split_lshr): Ditto.
1440
1441 2010-04-09  Richard Guenther  <rguenther@suse.de>
1442
1443         * target.h (builtin_conversion): Pass in input and output types.
1444         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1445         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1446         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1447         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1448
1449         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1450         Handle AVX modes.
1451         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1452
1453 2010-04-09  Richard Guenther  <rguenther@suse.de>
1454
1455         PR target/43152
1456         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1457
1458 2010-04-09  Richard Guenther  <rguenther@suse.de>
1459
1460         * tree-vectorizer.h (struct _stmt_vec_info): Document
1461         that vectype is the type of the LHS.
1462         (supportable_widening_operation, supportable_narrowing_operation):
1463         Get both input and output vector types as arguments.
1464         (vect_is_simple_use_1): Declare.
1465         (get_same_sized_vectype): Likewise.
1466         * tree-vect-loop.c (vect_determine_vectorization_factor):
1467         Set STMT_VINFO_VECTYPE to the vector type of the def.
1468         (vectorizable_reduction): Adjust.
1469         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1470         Adjust.  Specify the output vector type.
1471         (vect_pattern_recog_1): Adjust.
1472         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1473         (vectorizable_call): Adjust.
1474         (vectorizable_conversion): Likewise.
1475         (vectorizable_operation): Likewise.
1476         (vectorizable_type_demotion): Likewise.
1477         (vectorizable_type_promotion): Likewise.
1478         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1479         the def.
1480         (vect_is_simple_use_1): New function.
1481         (supportable_widening_operation): Get both input and output
1482         vector types.
1483         (supportable_narrowing_operation): Likewise.
1484         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1485
1486 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1487
1488         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1489         __thiscall and _thiscall as predefined macros.
1490         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1491         thiscall attribute handling.
1492         (ix86_comp_type_attributes): Likewise.
1493         (ix86_function_regparm): Likewise.
1494         (ix86_return_pops_args): Likewise.
1495         (init_cumulative_args): Likewise.
1496         (find_drap_reg): Likewise.
1497         (ix86_static_chain): Likewise.
1498         (x86_this_parameter): Likewise.
1499         (x86_output_mi_thunk): Likewise.
1500         (ix86_attribute_table): Add description for thiscall attribute.
1501         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1502         * doc/extend.texi: Add documentation for thiscall.
1503
1504 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1505
1506         PR c++/28584
1507         * c.opt (Wint-to-pointer-cast): Available in C++.
1508         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1509
1510 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1511
1512         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1513         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1514         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1515         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1516         function type instead.  Reorder and simplify checks.
1517
1518         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1519
1520 2010-04-08  Jing Yu  <jingyu@google.com>
1521             Zdenek Dvorak  <ook@ucw.cz>
1522
1523         PR tree-optimization/42720
1524         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1525         loop unswitch conditions here from ...
1526         (tree_unswitch_single_loop): ... here.
1527
1528 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         * tree-if-conv.c: Fix comments and simplify logic.
1531
1532 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1533
1534         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1535         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1536         (main_tree_if_conversion): Update call to tree_if_conversion.
1537
1538 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1539
1540         PR 42485
1541         * doc/invoke.texi (-b,-V): Delete.
1542         * doc/tm.texi: Do not mention -b.
1543         * gcc.c (display_help): Delete -b and -V.
1544         (process_command): Delete -b and -V.
1545         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1546
1547 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1548             Wolfgang Gellerich  <gellerich@de.ibm.com>
1549
1550         Implement target hook for loop unrolling
1551         * target.h (loop_unroll_adjust): Add a new target hook function.
1552         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1553         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1554         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1555         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1556         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1557         target hook.
1558         (decide_unroll_stupid): Likewise.
1559
1560 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1561
1562         PR target/43643
1563         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1564
1565 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1566
1567         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1568         (Specific, *-*-solaris2*): Likewise.
1569         Don't prefer Sun as over GNU as.
1570
1571 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1572
1573         * config/s390/s390.c (override_options): Adjust the z10
1574           defaults for max-unroll-times, max-completely-peeled-insns
1575           and max-completely-peel-times.
1576
1577 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1578
1579         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1580         instructions for z10.
1581         (s390_expand_setmem): Likewise.
1582         (s390_expand_cmpmem): Likewise.
1583
1584 2010-04-08  Richard Guenther  <rguenther@suse.de>
1585
1586         PR tree-optimization/43679
1587         * tree-ssa-pre.c (eliminate): Only propagate copies.
1588
1589 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1590
1591         PR bootstrap/43681
1592         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1593         set but not used variable warning.
1594
1595 2010-04-08  Wei Guozhi  <carrot@google.com>
1596
1597         PR target/41653
1598         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1599         (arm_size_rtx_costs): Call the new function when optimized for size.
1600
1601 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1602
1603         PR debug/43670
1604         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1605         op0 is not a MEM, just return NULL instead of assertion
1606         failure.
1607         (discover_nonconstant_array_refs): Don't walk debug stmts.
1608
1609 2010-04-08  Doug Kwan  <dougkwan@google.com>
1610
1611         * configure.ac: Recognize gold and do not use its version number
1612         to test ld features.
1613         * configure: Regenerate.
1614
1615 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1616
1617         PR middle-end/40815
1618         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1619         (negate_value): Move code to push elements to broken_up_substracts ...
1620         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1621         negative pair to plus_negates.
1622         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1623
1624 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1625
1626         * doc/install.texi (Configuration): Move description of
1627         --enable-lto, --with-libelf*, --enable-gold from Java section to
1628         general section.
1629
1630         * doc/generic.texi (Working with declarations)
1631         (Function Properties, C and C++ Trees): Fix typos.
1632         * doc/sourcebuild.texi (Top Level): Likewise.
1633
1634 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1635
1636         PR c/18624
1637         * tree.h (DECL_READ_P): Define.
1638         (struct tree_decl_common): Add decl_read_flag.
1639         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1640         a set but not used warning.
1641         (merge_decls): Merge DECL_READ_P flag.
1642         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1643         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1644         * c-common.c (handle_used_attribute, handle_unused_attribute):
1645         Likewise.
1646         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1647         New prototypes.
1648         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1649         New functions.
1650         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1651         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1652         c_parser_binary_expression, c_parser_cast_expression,
1653         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1654         Call default_function_array_read_conversion instead of
1655         default_function_array_conversion where needed.
1656         (c_parser_unary_expression, c_parser_conditional_expression,
1657         c_parser_postfix_expression_after_primary, c_parser_initelt):
1658         Likewise.  Call mark_exp_read where needed.
1659         (c_parser_statement_after_labels, c_parser_asm_operands,
1660         c_parser_typeof_specifier, c_parser_sizeof_expression,
1661         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1662         where needed.
1663         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1664         New.
1665         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1666         (warn_unused_but_set_parameter): Default to warn_unused
1667         && extra_warnings.
1668         * doc/invoke.texi: Document -Wunused-but-set-variable and
1669         -Wunused-but-set-parameter.
1670
1671         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1672         used count variable.
1673         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1674         when operandN variables aren't used in the body of the expander
1675         or splitter.
1676         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1677         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1678         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1679         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1680         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1681         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1682         * tree.c (PROCESS_ARG): Likewise.
1683
1684 2010-04-07  Simon Baldwin  <simonb@google.com>
1685
1686         * diagnostic.h (diagnostic_override_option_index): New macro to
1687         set a diagnostic's option_index.
1688         * c-tree.h (c_cpp_error): Add warning reason argument.
1689         * opts.c (_warning_as_error_callback): New.
1690         (register_warning_as_error_callback): Store callback for
1691         warnings enabled via enable_warning_as_error.
1692         (enable_warning_as_error): Call callback, minor code tidy.
1693         * opts.h (register_warning_as_error_callback): Declare.
1694         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1695         response to -Werror=.
1696         (c_common_init_options): Register warning_as_error_callback in opts.c.
1697         * common.opt: Add -Wno-cpp option.
1698         * c-common.c (struct reason_option_codes_t): Map cpp warning
1699         reason codes to gcc option indexes.
1700         * (c_option_controlling_cpp_error): New function, lookup the gcc
1701         option index for a cpp warning reason code.
1702         * (c_cpp_error): Add warning reason argument, call
1703         c_option_controlling_cpp_error for diagnostic_override_option_index.
1704         * doc/invoke.texi: Document -Wno-cpp.
1705
1706 2010-04-07  Richard Guenther  <rguenther@suse.de>
1707
1708         * ipa-reference.c (mark_load): Use get_base_address.
1709         (mark_store): Likewise.
1710
1711         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1712         inserting GIMPLE_NOPs into the IL.
1713         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1714         Explicitly strip handled components and indirect references.
1715
1716         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1717         folding address expressions.
1718         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1719         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1720         operand_equal_p to compare decls.
1721         (ptr_deref_may_alias_decl_p): Likewise.
1722         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1723         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1724         Handle reversed comparison ops.
1725         * tree-sra.c (asm_visit_addr): Use get_base_address.
1726         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1727         * ipa-reference.c (mark_address): Use get_base_address.
1728
1729 2010-04-07  Richard Guenther  <rguenther@suse.de>
1730
1731         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1732         Propagate constants everywhere.
1733
1734 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1735
1736         PR debug/43516
1737         * tree.c (MAX_INT_CACHED_PREC): Define.
1738         (nonstandard_integer_type_cache): New array.
1739         (build_nonstandard_integer_type): Cache results for precision
1740         <= MAX_INT_CACHED_PREC.
1741
1742 2010-04-07  Richard Guenther  <rguenther@suse.de>
1743
1744         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1745         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1746         * common.opt: Likewise.
1747         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1748         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1749         (nonoverlapping_memrefs_p): Likewise.
1750         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1751         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1752         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1753         OPT_fargument_noalias_global for backward compatibility.
1754
1755 2010-04-07  Richard Guenther  <rguenther@suse.de>
1756
1757         PR tree-optimization/43270
1758         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1759         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1760         * tree-ssa-pre.c (phi_translate_1): Adjust.
1761         (fully_constant_expression): Split out vn_reference handling to ...
1762         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1763         Fold reads from constant strings.
1764         (vn_reference_lookup): Handle fully constant references.
1765         (vn_reference_lookup_pieces): Likewise.
1766         * Makefile.in (expmed.o-warn): Add -Wno-error.
1767
1768 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1769
1770         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1771
1772 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1773
1774         PR driver/41594
1775         * gcc.c: Add -static-libstdc++ to list of recognized options.
1776
1777 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1778
1779         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1780
1781 2010-04-07  Richard Guenther  <rguenther@suse.de>
1782
1783         PR middle-end/42617
1784         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1785         bases build simple mem attributes to retain points-to information.
1786
1787 2010-04-07  Richard Guenther  <rguenther@suse.de>
1788
1789         PR middle-end/42617
1790         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1791         preserve points-to related information.
1792
1793 2010-04-07  Richard Guenther  <rguenther@suse.de>
1794
1795         PR middle-end/42617
1796         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1797         discard plain indirect references.
1798         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1799         * tree.c (tree_nop_conversion): Likewise.
1800
1801 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1802
1803         PR debug/43628
1804         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1805
1806 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1807
1808         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1809         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1810
1811 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1812
1813         * tree-if-conv.c: Fix indentation and comments.
1814
1815 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1816
1817         * tree-if-conv.c: Sort static functions in topological order.
1818
1819 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1820
1821         * tree-if-conv.c: Fix indentation and comments.
1822
1823 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1824
1825         PR middle-end/43519
1826         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1827         lang_hooks.types.type_for_size instead of
1828         build_nonstandard_integer_type.
1829         When converting an unsigned type to signed, double its precision.
1830         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1831         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1832         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1833         use lb <= ub.
1834
1835 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1836
1837         PR middle-end/43519
1838         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1839         POINTER_PLUS_EXPR for pointer types.
1840
1841 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1842
1843         PR middle-end/43519
1844         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1845         * graphite-clast-to-gimple.c: Include langhooks.h.
1846         (max_signed_precision_type): New.
1847         (max_precision_type): Takes two types as arguments.
1848         (precision_for_value): New.
1849         (precision_for_interval): New.
1850         (gcc_type_for_interval): New.
1851         (gcc_type_for_value): New.
1852         (gcc_type_for_clast_term): New.
1853         (gcc_type_for_clast_red): New.
1854         (gcc_type_for_clast_bin): New.
1855         (gcc_type_for_clast_expr): Split up into several functions.
1856         (gcc_type_for_clast_eq): Rewritten.
1857         (compute_bounds_for_level): New.
1858         (compute_type_for_level_1): New.
1859         (compute_type_for_level): New.
1860         (gcc_type_for_cloog_iv): Removed.
1861         (gcc_type_for_iv_of_clast_loop): Rewritten.
1862         (graphite_create_new_loop): Compute the lower and upper bound types
1863         with gcc_type_for_clast_expr.
1864         (graphite_create_new_loop_guard): Same.
1865         (find_cloog_iv_in_expr): Removed.
1866         (compute_cloog_iv_types_1): Removed.
1867         (compute_cloog_iv_types): Removed.
1868         (gloog): Do not call compute_cloog_iv_types.
1869         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1870         GBB_CLOOG_IV_TYPES.
1871         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1872         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1873         (GBB_CLOOG_IV_TYPES): Removed.
1874
1875 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1876
1877         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1878         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1879         (detect_commutative_reduction): Same.
1880
1881 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1882
1883         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1884         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1885         argument.
1886         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1887         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1888         (rewrite_commutative_reductions_out_of_ssa): Same.
1889         * passes.c (execute_function_todo): Call verify_ssa for every pass
1890         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1891         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1892         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1893         with an extra argument.
1894         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1895         verify_ssa only when the extra argument is true.
1896         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1897         with an extra argument.
1898         (tree_transform_and_unroll_loop): Same.
1899
1900 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1901
1902         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1903         for all the passes of the LNO having LOOP_CLOSED_SSA.
1904         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1905         * tree-loop-distribution.c (pass_loop_distribution): Same.
1906         * tree-pass.h (TODO_verify_loops): Removed.
1907         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1908         (pass_lim): Same.
1909         (pass_tree_unswitch): Same.
1910         (pass_predcom): Same.
1911         (pass_vectorize): Same.
1912         (pass_linear_transform): Same.
1913         (pass_graphite_transforms): Same.
1914         (pass_iv_canon): Same.
1915         (pass_complete_unroll): Same.
1916         (pass_complete_unrolli): Same.
1917         (pass_parallelize_loops): Same.
1918         (pass_loop_prefetch): Same.
1919         (pass_iv_optimize): Same.
1920
1921 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1922
1923         PR middle-end/32824
1924         * passes.c (init_optimization_passes): Move pass_lim before
1925         pass_copy_prop and pass_dce_loop.
1926
1927 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1928
1929         PR target/43667
1930         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1931         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1932         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1933         MULTI_* defines for 4 argument vpermil2p* builtins.
1934
1935 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1936
1937         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1938         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1939         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1940         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1941         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1942         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1943         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1944         Use x86_maybe_negate_const_int to output insn mnemonic.
1945         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1946         check from instruction predicate.  Update comments.
1947         * config/i386/sync.md (sync_add<mode>): Use
1948         x86_maybe_negate_const_int to output insn mnemonic.
1949
1950 2010-04-06  Jan Hubicka  <jh@suse.cz>
1951
1952         PR tree-optimization/42906
1953         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1954         IGNORE_SELF argument.  Set visited_control_parents for fully
1955         processed BBs.
1956         (find_obviously_necessary_stmts): Update call of
1957         mark_control_dependent_edges_necessary.
1958         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
1959
1960 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1961
1962         * config/i386/i386.md: Remove comment about 'e' and 'E'
1963         operand modifier.
1964
1965 2010-04-06  Richard Guenther  <rguenther@suse.de>
1966
1967         PR tree-optimization/43627
1968         * tree-vrp.c (extract_range_from_unary_expr): Widenings
1969         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1970         not varying.
1971
1972 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1973
1974         * BASE-VER: Change to 4.6.0.
1975
1976         PR target/43638
1977         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1978         handling.
1979
1980 2010-04-06  Richard Guenther  <rguenther@suse.de>
1981
1982         PR middle-end/43661
1983         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1984
1985 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1986
1987         * doc/invoke.texi (Optimize Options): Document that LTO
1988         won't remove object access purely due to incompatible
1989         declarations.
1990
1991 2010-04-04  Matthias Klose  <doko@ubuntu.com>
1992
1993         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1994         Initialize variable.
1995
1996 2010-04-03  Richard Guenther  <rguenther@suse.de>
1997
1998         PR middle-end/42509
1999         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2000         require a non-NULL MEM_OFFSET.
2001
2002 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2003
2004         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2005         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2006         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2007         config/alpha/predicates.md, config/arm/arm.md,
2008         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2009         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2010         config/darwin9.h, config/darwin.c, config/darwin.h,
2011         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2012         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2013         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2014         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2015         config/mips/mips.md, config/mn10300/mn10300.c,
2016         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2017         config/rs6000/aix.h, config/rs6000/dfp.md,
2018         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2019         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2020         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2021         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2022         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2023         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2024         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2025         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2026         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2027         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2028         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2029         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2030         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2031         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2032         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2033         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2034         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2035         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2036         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2037         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2038         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2039         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2040         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2041         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2042         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2043         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2044         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2045         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2046         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2047         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2048         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2049         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2050         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2051         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2052         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2053         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2054
2055 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2056
2057         PR other/43620
2058         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2059         * aclocal.m4: Regenerate.
2060
2061 2010-04-02  Richard Guenther  <rguenther@suse.de>
2062
2063         PR tree-optimization/43629
2064         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2065         if we have seen a constant value.
2066
2067 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2068
2069         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2070
2071 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2072
2073         PR target/43469
2074         * arm.c (legitimize_tls_address): Adjust call to
2075         gen_tls_load_dot_plus_four.
2076         (arm_note_pic_base): New function.
2077         (arm_cannot_copy_insn_p): Use it.
2078         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2079         constraint.
2080
2081 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2082
2083         PR bootstrap/43531
2084
2085         Revert:
2086         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2087
2088         * Makefile.in ($(out_object_file)): Depend on
2089         gt-$(basename $(notdir $(out_file))).h.
2090
2091 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2092
2093         * config.gcc (lm32-*-rtems*): Add t-lm32.
2094
2095 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2096
2097         * config.gcc: Add lm32-*-rtems*.
2098         * config/lm32/rtems.h: New file.
2099
2100 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2101
2102         PR target/42609
2103         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2104
2105 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2106
2107         * dwarf2out.c (output_compilation_unit_header): For
2108         -gdwarf-4 use version 4 instead of version 3.
2109         (output_line_info): For version 4 and above emit additional
2110         maximum ops per insn header field.
2111         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2112
2113         * dwarf2out.c (is_c_family, is_java): Remove.
2114         (lower_bound_default): New function.
2115         (add_bound_info, gen_descr_array_type_die): Use it.
2116
2117 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2118
2119         PR debug/43325
2120         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2121         re-declaration when it happens in a function.
2122
2123 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2124
2125         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2126         (cgraph_remove_function_insertion_hook): Same.
2127         (cgraph_call_function_insertion_hooks): Same.
2128
2129 2010-04-01  Richard Guenther  <rguenther@suse.de>
2130
2131         PR middle-end/43614
2132         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2133         and TREE_THIS_VOLATILE.
2134         (copy_ref_info): Likewise.
2135         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2136         * tree.c (build6_stat): Ignore side-effects of all but arg5
2137         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2138         TARGET_MEM_REF.
2139
2140 2010-04-01  Richard Guenther  <rguenther@suse.de>
2141
2142         PR tree-optimization/43607
2143         * ipa-type-escape.c (check_call): Do not access non-existing
2144         arguments.
2145
2146 2010-04-01  Richard Guenther  <rguenther@suse.de>
2147
2148         PR middle-end/43602
2149         Revert
2150         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2151                     Jack Howarth <howarth@bromo.med.uc.edu>
2152
2153         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2154         variables TLS.
2155
2156 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2157
2158         * doc/install.texi (Prerequisites): Document libelf usability on
2159         IRIX 5/6 and Solaris 2.
2160         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2161         Update GNU as, GNU ld requirements.
2162         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2163         Document Sun Studio compiler download.
2164         Update and simplify as, ld recommendations.
2165         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2166
2167 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2168
2169         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2170         with_tune_32 to pentium4.
2171
2172 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2173
2174         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2175
2176 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2177
2178         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2179         obsoletion, removal.
2180         Update IDO URL.
2181         Document GNU as requirement.
2182         Update configure requirements.
2183         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2184         Recomment IRIX 6.5.18+.
2185         Document IDF/IDL requirement.
2186         Document GNU as requirement.
2187         Document GNU ld bootstrap failure.
2188         Remove freeware.sgi.com reference.
2189
2190 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2191
2192         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2193         UNIX V4.0, V5.0 obsoletion, removal.
2194         Remove --with-gc=simple reference.
2195         Update VM requirements during bootstrap.
2196         Remove -oldas bootstrap description.
2197         Update binutils reference.
2198         Remove comparison failure note.
2199
2200 2010-03-31  Richard Guenther  <rguenther@suse.de>
2201             Zdenek Dvorak  <ook@ucw.cz>
2202             Sebastian Pop  <sebastian.pop@amd.com>
2203
2204         PR middle-end/43464
2205         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2206         with multiple arguments.
2207         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2208
2209 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2210
2211         * graphite-dependences.c (print_pddr): Call print_pdr with an
2212         extra argument.
2213         * graphite-poly.c (debug_pdr): Add an extra argument for the
2214         verbosity level.
2215         (print_pdr): Same.
2216         (print_pbb_domain): Same.
2217         (print_pbb): Same.
2218         (print_scop_context): Same.
2219         (print_scop): Same.
2220         (print_cloog): Same.
2221         (debug_pbb_domain): Same.
2222         (debug_pbb): Same.
2223         (print_pdrs): Same.
2224         (debug_pdrs): Same.
2225         (debug_scop_context): Same.
2226         (debug_scop): Same.
2227         (debug_cloog): Same.
2228         (print_scop_params): Same.
2229         (debug_scop_params): Same.
2230         (print_iteration_domain): Same.
2231         (print_iteration_domains): Same.
2232         (debug_iteration_domain): Same.
2233         (debug_iteration_domains): Same.
2234         (print_scattering_function): Same.
2235         (print_scattering_functions): Same.
2236         (debug_scattering_function): Same.
2237         (debug_scattering_functions): Same.
2238         * graphite-poly.h (debug_pdr): Update declaration.
2239         (print_pdr): Same.
2240         (print_pbb_domain): Same.
2241         (print_pbb): Same.
2242         (print_scop_context): Same.
2243         (print_scop): Same.
2244         (print_cloog): Same.
2245         (debug_pbb_domain): Same.
2246         (debug_pbb): Same.
2247         (print_pdrs): Same.
2248         (debug_pdrs): Same.
2249         (debug_scop_context): Same.
2250         (debug_scop): Same.
2251         (debug_cloog): Same.
2252         (print_scop_params): Same.
2253         (debug_scop_params): Same.
2254         (print_iteration_domain): Same.
2255         (print_iteration_domains): Same.
2256         (debug_iteration_domain): Same.
2257         (debug_iteration_domains): Same.
2258         (print_scattering_function): Same.
2259         (print_scattering_functions): Same.
2260         (debug_scattering_function): Same.
2261         (debug_scattering_functions): Same.
2262
2263 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2264
2265         * graphite-poly.c (print_scattering_function_1): New.
2266         (print_scattering_function): Call it.
2267         (print_scop_params): Remove spaces at the end of lines.
2268         (print_cloog): New.
2269         (debug_cloog): New.
2270         * graphite-poly.h (print_cloog): Declared.
2271         (debug_cloog): Declared.
2272
2273 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2274
2275         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2276         in loop->header.
2277         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2278         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2279         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2280         to switch between adding the IV bump in loop->latch or in loop->header.
2281
2282 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2283
2284         * graphite-poly.c (print_scattering_function): Pretty print following
2285         the scoplib format.
2286         (print_pdr): Same.
2287         (print_pbb_domain): Same.
2288         (dump_gbb_cases): Same.
2289         (dump_gbb_conditions): Same.
2290         (print_pdrs): Same.
2291         (print_pbb): Same.
2292         (print_scop_params): Same.
2293         (print_scop_context): Same.
2294         (print_scop): Same.
2295         (print_pbb_body): New.
2296         (lst_indent_to): New.
2297         (print_lst): Start new lines with a #.
2298         * graphite-poly.h (pbb_bb): New.
2299         (pbb_index): Use pbb_bb.
2300         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2301         disjuncts.
2302         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2303
2304 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2305
2306         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2307         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2308         and 0 instead of 1 for dw_val_class_flag.
2309         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2310         dw_val_class_range_list, dw_val_class_loc_list,
2311         dw_val_class_lineptr and dw_val_class_macptr, use
2312         DW_FORM_flag_present for dw_val_class_flag and
2313         DW_FORM_exprloc for dw_val_class_loc.
2314         (output_die): For -gdwarf-4 print dw_val_class_loc
2315         size as uleb128 instead of 1 or 2 bytes and don't print
2316         anything for dw_val_class_flag.
2317
2318         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2319         instead of cselib_lookup following by tweaking locs->setting_insn.
2320
2321         PR bootstrap/43596
2322         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2323         even before returning from label, setjmp call or volatile asm
2324         handling.
2325
2326 2010-03-31  Richard Guenther  <rguenther@suse.de>
2327
2328         PR middle-end/43600
2329         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2330         temporary data on stack.
2331
2332 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2333
2334         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2335         (PUSHSECTION_ASM_OP): Remove.
2336         (POPSECTION_ASM_OP): Remove.
2337         (PUSHSECTION_FORMAT): Remove.
2338         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2339         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2340         * config/sol2.c (solaris_output_init_fini): Use it.
2341
2342 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2343
2344         PR 43574
2345         * opt-functions.awk (var_type_struct): Use signed char type
2346         for simple variables.
2347
2348 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2349
2350         * config/sol2.c: Include output.h.
2351         (solaris_assemble_visibility): New function.
2352         * config/t-sol2 (sol2.o): Add output.h dependency.
2353         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2354         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2355         Redefine.
2356
2357 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2358
2359         PR target/43580
2360         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2361         V2SImode or XFmode on PRE_DEC.
2362
2363         PR debug/43557
2364         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2365         BLKmode.
2366
2367 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2368
2369         PR 43562
2370         * reload.h (caller_save_initialized_p): Declare.
2371         * toplev.c (backend_init_target): Don't call
2372         init_caller_save but set caller_save_initialized_p to false.
2373         * caller-save.c (caller_save_initialized_p): Define.
2374         (init_caller_save): Check caller_save_initialized_p.
2375         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2376
2377 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2378
2379         PR target/39048
2380         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2381         and soft-fp/t-softfp to tmake_file.
2382         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2383         (LIBGCC2_TF_CEXT): Define.
2384         (TF_SIZE): Define.
2385
2386 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2387
2388         PR debug/42977
2389         * cselib.c (n_useless_values): Document handling of debug locs.
2390         (n_useless_debug_values, n_debug_values): New variables.
2391         (new_elt_loc_list): Don't add to debug values, keep count.
2392         (promote_debug_loc): New.
2393         (cselib_reset_table): Zero new variables.
2394         (entry_and_rtx_equal_p): Promote debug locs.
2395         (discard_useless_locs): Increment n_useless_debug_values for
2396         debug values.
2397         (remove_useless_values): Adjust n_useless_values and n_debug_values
2398         with n_useless_debug_values.
2399         (add_mem_for_addr): Promote debug locs.
2400         (cselib_lookup_mem): Likewise.
2401         (cselib_lookup_addr): Renamed to...
2402         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2403         (cselib_log_lookup): ... this.  Turn into...
2404         (cselib_lookup_addr): ... new wrapper.
2405         (cselib_lookup_from_insn): New.
2406         (cselib_invalidate_regno): Increment n_useless_debug_values for
2407         debug values.
2408         (cselib_invalidate_mem): Likewise.
2409         (cselib_process_insn): Take n_deleted and n_debug_values into
2410         account to guard remove_useless_value call.
2411         (cselib_finish): Zero n_useless_debug_values.
2412         * cselib.h (cselib_lookup_from_insn): Declare.
2413         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2414         (sched_analyze_2): Likewise.
2415
2416 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2417
2418         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2419         functions.
2420         (adjust_mems): Replace narrowing SUBREG of expression containing
2421         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2422         with operations in the narrower mode.
2423
2424         PR debug/43593
2425         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2426         regs_invalidated_by_call instead all call_used_reg_set registers.
2427
2428 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2429
2430         PR middle-end/43430
2431         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2432         pointer comparisons with types_compatible_p.
2433         * tree-vect-stmts.c (vectorizable_call): Same.
2434         (vectorizable_condition): Same.
2435
2436 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2437
2438         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2439         stack check if the mask would be zero.
2440
2441 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2442             Jack Howarth <howarth@bromo.med.uc.edu>
2443
2444         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2445         variables TLS.
2446
2447 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2448
2449         PR other/25232
2450         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2451         and __unordtf2.
2452         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2453         Include ___unordxf2 and ___unordtf2.
2454         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2455         GCC_4.4.0 here.
2456
2457 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2458
2459         * config/lm32/t-lm32: New file.
2460         * config.gcc: Use the above file when targetting lm32.
2461
2462 2010-03-28  Duncan Sands  <baldrick@free.fr>
2463
2464         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2465
2466 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2467
2468         PR middle-end/43431
2469         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2470         Improve vectorization cost model diagnostic.
2471
2472 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2473
2474         PR middle-end/43436
2475         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2476         compute_data_dependences_for_loop returns false, early exit
2477         and output an extra diagnostic for the failed data reference
2478         analysis.
2479
2480 2010-03-29  Richard Guenther  <rguenther@suse.de>
2481
2482         PR tree-optimization/43560
2483         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2484         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2485
2486 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2487
2488         PR 43564
2489         * toplev.c (process_options): Set optimization_default_node
2490         and optimization_current_node.
2491         * opts.c (decode_options): Don't set optimization_default_node
2492         and optimization_current_node.
2493
2494 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2495
2496         * config/rtems.h: Abandon -qrtems_debug.
2497
2498 2010-03-28  Jan Hubicka  <jh@suse.cz>
2499
2500         PR tree-optimization/43505
2501         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2502         map should not be copied.
2503
2504 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2505
2506         PR middle-end/41674
2507         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2508         cdtors, set DECL_PRESERVE_P.
2509         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2510         should be preseved.
2511
2512 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2513
2514         PR tree-optimization/43528
2515         * stor-layout.c (place_field): Check that constant fits into
2516         unsigned HWI when skipping calculation of MS bitfield layout.
2517
2518 2010-03-27  Jan Hubicka  <jh@suse.cz>
2519
2520         PR middle-end/43391
2521         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2522         notice_global_symbol work.
2523
2524 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2525
2526         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2527         instead of dwarf2out_decl.
2528         (struct var_loc_node): Remove section_label field.
2529         (dwarf2out_function_decl): New function.
2530         (dwarf2out_var_location): Don't set section_label field.
2531         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2532
2533 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2534
2535         PR tree-optimization/43544
2536         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2537         First argument for builtin vectorized function hook is now a
2538         tree to be able to distinguish between machine specific and
2539         standard builtins.
2540         * targhooks.c (default_builtin_vectorized_function): Ditto.
2541         * targhooks.h (default_builtin_vectorized_function): Ditto.
2542         * target.h (struct gcc_target): Ditto.
2543         * tree-vect-stmts.c (vectorizable_function): Ditto.
2544         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2545         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2546         Ditto.
2547
2548 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2549
2550         PR c/43381
2551         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2552         nested binding iff it is a FUNCTION_DECL.
2553         (store_parm_decls_newstyle): Pass nested=true to bind for
2554         FUNCTION_DECLs amongst parameters.
2555
2556 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2557
2558         * var-tracking.c (vt_expand_loc_callback): Don't run
2559         cselib_expand_value_rtx_cb in dummy mode if
2560         cselib_dummy_expand_value_rtx_cb returned false.
2561
2562         * var-tracking.c (emit_note_insn_var_location): For one part
2563         notes with offset 0, don't add EXPR_LIST around the location.
2564         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2565         add_location_or_const_value_attribute): Adjust for that change.
2566
2567         PR debug/43540
2568         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2569         into first operand and location into second.
2570         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2571         dw_cfi_oprnd_loc for DW_CFA_expression.
2572         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2573         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2574         assume first argument is regnum and second argument is location.
2575
2576 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2577
2578         PR target/42113
2579         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2580         of scratch register to DImode.  Split to DImode comparison operator.
2581         Use SImode subreg of scratch register in the multiplication.
2582         (*cmp_sadd_sidi): Ditto.
2583         (*cmp_ssub_si): Ditto.
2584         (*cmp_ssub_sidi): Ditto.
2585
2586 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2587
2588         PR target/43524
2589         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2590         Remove invalid assert and wrong comment.
2591
2592 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2593
2594         PR debug/43516
2595         * flags.h (final_insns_dump_p): New extern.
2596         * final.c (final_insns_dump_p): New variable.
2597         (rest_of_clean_state): Set it before -fdump-final-insns=
2598         dumping, clear afterwards.
2599         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2600         MEM_ALIAS_SET on MEMs.
2601
2602 2010-03-26  David S. Miller  <davem@davemloft.net>
2603
2604         * configure.ac: Fix sparc GOTDATA_OP bug check.
2605         * configure: Rebuild.
2606
2607 2010-03-26  Alan Modra  <amodra@gmail.com>
2608
2609         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2610
2611 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2612
2613         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2614         TLS_SECTION_ASM_FLAG.
2615
2616 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2617
2618         PR bootstrap/43511
2619         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2620         Clear first_function_block_is_cold.
2621
2622         PR c/43385
2623         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2624         argument if the argument is truth_value_p.
2625
2626 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2627
2628         * config/rs6000/constraints.md: Update copyright year for my changes.
2629
2630         PR target/43484
2631         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2632         used in reg+reg addressing, swap registers.
2633
2634 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2635
2636         PR debug/43293
2637         * target.h (struct gcc_target): Add code_end hook.
2638         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2639         if not yet defined.
2640         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2641         * toplev.c (compile_file): Call targetm.asm_out.code_end
2642         hook before unwind info/debug info output.
2643         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2644         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2645         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2646         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2647         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2648         * config/i386/i386.c (ix86_file_end): Renamed to...
2649         (ix86_code_end): ... this.  Make static.  Don't call
2650         file_end_indicate_exec_stack.  Emit unwind info using
2651         final_start_function/final_end_function.
2652         (darwin_x86_file_end): Remove.
2653         (TARGET_ASM_CODE_END): Define.
2654         * config/i386/i386.h (TARGET_ASM_FILE_END,
2655         NEED_INDICATE_EXEC_STACK): Don't define.
2656         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2657         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2658         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2659         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2660
2661         PR target/43498
2662         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2663         at the beginning and final_end_function at the end.
2664         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2665
2666 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2667
2668         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2669         and Sun as TLS syntax.
2670         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2671         * configure: Regenerate.
2672         * config.in: Regenerate.
2673         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2674         (default_elf_asm_named_section): Use it.
2675         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2676         (i386_output_dwarf_dtprel): Likewise.
2677         (output_addr_const_extra): Likewise.
2678         (output_pic_addr_const): Lowercase @GOTTPOFF.
2679         (output_addr_const_extra): Likewise.
2680         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2681         (output_addr_const_extra): Likewise.
2682         (output_pic_addr_const): Lowercase @INDNTPOFF.
2683         (output_addr_const_extra): Likewise.
2684         (output_pic_addr_const): Lowercase @NTPOFF.
2685         (output_addr_const_extra): Likewise.
2686         (output_pic_addr_const): Lowercase @TPOFF.
2687         (output_addr_const_extra): Likewise.
2688         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2689         (*tls_global_dynamic_64): Likewise.
2690         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2691         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2692
2693         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2694         (ASM_OUTPUT_TLS_COMMON): Use it.
2695         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2696
2697         PR target/38118
2698         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2699         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2700         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2701         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2702         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2703         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2704
2705 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2706
2707         * config/i386/i386.c (override_options): Don't accept
2708         -mtls-dialect=sun any longer.
2709         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2710         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2711         (*tls_local_dynamic_base_32_sun): Likewise.
2712         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2713
2714 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2715
2716         PR debug/43508
2717         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2718         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2719
2720         PR debug/43479
2721         * ira.c (adjust_cleared_regs): New function.
2722         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2723
2724         PR debug/19192
2725         PR debug/43479
2726         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2727         from gimple_block.
2728         * expr.c (expand_expr_real): Restore previous
2729         curr_insn_source_location and curr_insn_block after
2730         expand_expr_real_1 call.
2731         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2732         instead of expand_expr_real_1.
2733
2734 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2735
2736         PR rtl-optimization/43413
2737         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2738         hard regs too.
2739
2740 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2741
2742         PR target/43348
2743         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2744         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2745
2746 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2747
2748         * config/i386/i386.c (ix86_target_string): Add -mfma.
2749         Fix a typo in comment.
2750
2751 2010-03-22  Mike Stump  <mikestump@comcast.net>
2752
2753         PR target/23071
2754         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2755         Don't overly align based upon packed packed fields.
2756
2757 2010-03-22  Jason Merrill  <jason@redhat.com>
2758
2759         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2760         Use () rather than [], and move before the element type.
2761
2762 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2763
2764         * doc/configfiles.texi (Configuration Files): Removed
2765         fixinc/Makefile*, intl/Makefile.*.
2766         * doc/makefile.texi: Fixed markup. Abstract from version
2767         control system used.
2768         (Makefile): Removed obsolete gcc/java/parse.y example.
2769         * doc/sourcebuild.texi: Likewise.
2770         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2771         libgomp, libssp.  Removed fastjar.
2772         (Miscellaneous Docs): Clarify location.
2773         Added COPYING3, COPYING3.LIB.
2774         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2775
2776 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2777
2778         PR target/38085
2779         * config/i386/i386.c (x86_function_profiler)
2780         [!NO_PROFILE_COUNTERS]: Fix typo.
2781         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2782         instead of callq.
2783
2784 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2785             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2786
2787         * doc/sourcebuild.texi (Test Directives): Split into six
2788         subsections, with most of the current text in new subsections
2789         Directives, Selectors, and Final Actions.
2790         (Directives): Split list of test directives into multiple
2791         subsubsections.
2792         (Selectors): Describe use and syntax of selectors.
2793         (Effective-Target Keywords): Describe all existing keywords.
2794         (Add Options): Describe features for dg-add-options.
2795         (Require Support): Describe variants of dg-require-support.
2796         (Final Actions): Describe commands to use in dg-final.
2797
2798 2010-03-22  Michael Matz  <matz@suse.de>
2799
2800         PR middle-end/43475
2801         * recog.c (validate_replace_rtx_group): Replace also in
2802         REG_EQUAL and REG_EQUIV notes.
2803
2804 2010-03-22  Richard Guenther  <rguenther@suse.de>
2805
2806         PR tree-optimization/43390
2807         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2808         sure vector extracts are type correct.
2809
2810 2010-03-22  Richard Guenther  <rguenther@suse.de>
2811
2812         PR middle-end/40106
2813         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2814         x * sqrt (x) even when optimizing for size if the target
2815         has native support for sqrt.
2816
2817 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2818
2819         * varasm.c (make_decl_rtl_for_debug): Also clear
2820         flag_mudflap for the duration of make_decl_rtl call.
2821
2822         PR debug/43443
2823         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2824         locs from preserved VALUEs.
2825
2826 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2827
2828         PR middle-end/42718
2829         * pa.md (movmemsi): Set align to one if zero.
2830         (movmemdi): Likewise.
2831
2832 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2833
2834         PR target/42321
2835         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2836         with their corresponding prologue pushes.
2837
2838 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2839
2840         PR target/43156
2841         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2842         at the begining or end.
2843         (spu_expand_epilogue): Likewise.
2844
2845 2010-03-20  Richard Guenther  <rguenther@suse.de>
2846
2847         PR rtl-optimization/43438
2848         * combine.c (make_extraction): Properly zero-/sign-extend an
2849         extraction of the low part of a CONST_INT.  Also handle
2850         CONST_DOUBLE.
2851
2852 2010-03-19  Mike Stump  <mikestump@comcast.net>
2853
2854         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2855         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2856         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2857
2858 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2859
2860         PR c/43211
2861         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2862         an error.
2863
2864 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2865
2866         PR rtl-optimization/42258
2867         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2868         use that may match DEF.
2869
2870         PR target/40697
2871         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2872         the cost of loading the constant rather than assuming
2873         COSTS_N_INSNS (1).
2874         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2875         outer code is AND, do the same tests as the andsi3 expander and
2876         return COSTS_N_INSNS (1) if and is cheap.
2877
2878         * optabs.c (avoid_expensive_constant): Fix formatting.
2879
2880 2010-03-19  Michael Matz  <matz@suse.de>
2881
2882         PR c++/43116
2883         * attribs.c (decl_attributes): When rebuilding a function pointer
2884         type use the same qualifiers as the original pointer type.
2885
2886 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2887
2888         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2889         and is_gimple_ip_invariant_address.
2890
2891 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2892
2893         Revert
2894         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2895
2896         * config/arm/arm.c (arm_override_options): Turn off
2897         flag_dwarf2_cfi_asm for AAPCS variants.
2898
2899 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2900
2901         PR target/43399
2902         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2903         Use PRE_MODIFY instead of PRE_DEC.
2904         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2905         (vfp_emit_fstmd): Likewise.
2906
2907 2010-03-19  Michael Matz  <matz@suse.de>
2908
2909         PR target/43305
2910         * builtins.c (expand_builtin_interclass_mathfn,
2911         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2912         if that fails.
2913
2914 2010-03-19  Richard Guenther  <rguenther@suse.de>
2915
2916         PR tree-optimization/43415
2917         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2918         (phi_translate_1): ... this.
2919         (phi_translate): Move all caching here.  Cache all NARY
2920         and REFERENCE translations.
2921
2922 2010-03-19  David S. Miller  <davem@davemloft.net>
2923
2924         With help from Eric Botcazou.
2925         * config/sparc/sparc.c: Include dwarf2out.h.
2926         (emit_pic_helper): Delete.
2927         (pic_helper_symbol_name): Delete.
2928         (pic_helper_emitted_p): Delete.
2929         (pic_helper_needed): New.
2930         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2931         (get_pc_thunk_name): New.
2932         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2933         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2934         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2935         (sparc_expand_prologue): Update load_pic_register call.
2936         (sparc_output_mi_thunk): Likewise.
2937         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2938         thunk if possible.  Output CFI information as needed.
2939
2940 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2941             Jack Howarth <howarth@bromo.med.uc.edu>
2942
2943         PR target/36399
2944         * config/i386/i386.h: Fix ABI on darwin x86-32.
2945
2946 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2947
2948         * tree.h: Declare make_decl_rtl_for_debug.
2949         * varasm.c (make_decl_rtl_for_debug): New.
2950         * dwarf2out.c (rtl_for_decl_location): Call it.
2951         * cfgexpand.c (expand_debug_expr): Call it.
2952
2953 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2954
2955         PR bootstrap/43399
2956         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2957         mem_mode.
2958
2959         PR bootstrap/43403
2960         * var-tracking.c (vt_init_cfa_base): Do nothing if
2961         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2962
2963 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
2964
2965         PR debug/42873
2966         * var-tracking.c (canonicalize_vars_star): New.
2967         (dataflow_post_merge_adjust): Use it.
2968
2969 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2970
2971         PR debug/43058
2972         * var-tracking.c (non_suitable_const): New function.
2973         (add_uses): For DEBUG_INSNs with constants, don't record any
2974         value, instead just the constant value itself.
2975         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2976         is not VAR_LOC_UNKNOWN_P, set var to the constant.
2977         (emit_notes_in_bb): Likewise.
2978         (emit_note_insn_var_location): For onepart variables if
2979         cur_loc is a VOIDmode constant, use DECL_MODE.
2980
2981 2010-03-18  Martin Jambor  <mjambor@suse.cz>
2982
2983         PR middle-end/42450
2984         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2985         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2986         all non-clones.  Moved call redirection...
2987         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2988         (cgraph_materialize_all_clones): Dispose of all
2989         combined_args_to_skip bitmaps.
2990         (verify_cgraph_node): Do not check for edges pointing to wrong
2991         nodes in inline clones.
2992         * tree-inline.c (copy_bb): Call
2993         cgraph_redirect_edge_call_stmt_to_callee.
2994         * ipa.c (cgraph_remove_unreachable_nodes): Call
2995         cgraph_node_remove_callees even when there are used clones.
2996
2997 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2998
2999         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3000
3001 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3002
3003         PR target/43383
3004         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3005         for 32bit.
3006
3007 2010-03-18  Michael Matz  <matz@suse.de>
3008
3009         PR middle-end/43419
3010         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3011         into sqrt(x) if we need to preserve signed zeros.
3012
3013 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3014             Eric Botcazou  <ebotcazou@adacore.com>
3015
3016         PR rtl-optimization/43360
3017         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3018         note if we don't know its invariant status.
3019
3020 2010-03-18  Michael Matz  <matz@suse.de>
3021
3022         PR tree-optimization/43402
3023         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3024         PHI chains of ssa names registered for update.
3025
3026 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3027
3028         PR target/42427
3029         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3030         non-offsettable and pre_modify update addressing.
3031         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3032         and "2" alternatives "#".
3033         (*movdd_softfloat32): Make all alternatives "#";
3034         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3035         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3036         (*movdf_softfloat32): Make all alternatives "#";
3037         (movdi): Use the new DIFD mode iterator to create a common splitter
3038         for movdi, movdf and movdd patterns.
3039
3040 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3041
3042         * common.opt (dumpdir): Remove redundant tab.
3043
3044 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3045
3046         PR tree-optimization/43347
3047         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3048         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3049
3050 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3051
3052         PR rtl-optimization/42216
3053         * regrename.c (create_new_chain): New function, broken out from...
3054         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3055         appending a use to an empty chain.
3056         (build_def_use): Remove previous changes that convert OP_INOUT to
3057         OP_OUT operands; instead detect the case where an OP_INOUT operand
3058         uses a previously untracked register and create an empty chain for it.
3059
3060 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3061
3062         * doc/extend.texi (Function Attributes): Rewrite unfinished
3063         sentence in ms_abi documentation.
3064
3065 2010-03-17  Alan Modra  <amodra@gmail.com>
3066
3067         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3068         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3069         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3070         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3071
3072 2010-03-16  Richard Henderson  <rth@redhat.com>
3073
3074         PR middle-end/43365
3075         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3076         (lower_try_finally): Save and restore eh_seq around the expansion
3077         of the try-finally.
3078
3079 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3080
3081         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3082         statements before splitting block.
3083
3084 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3085
3086         * doc/sourcebuild.texi (Testsuites): Fix markup.
3087         Use pathnames relative to gcc/testsuite.
3088         (Test Directives): Move description of how timeout is determined.
3089         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3090         (C Tests): Correct gcc.misc-tests directory.
3091         Framework tests now live in gcc.test-framework.
3092
3093 2010-03-16  Richard Guenther  <rguenther@suse.de>
3094
3095         PR middle-end/43379
3096         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3097         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3098
3099 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3100             Alexandre Oliva  <aoliva@redhat.com>
3101
3102         PR tree-optimization/42917
3103         * lambda-code.c (remove_iv): Skip debug statements.
3104         (lambda_loopnest_to_gcc_loopnest): Likewise.
3105         (not_interesting_stmt): Debug statements are not interesting.
3106
3107 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3108
3109         PR debug/43051
3110         PR debug/43092
3111         * cselib.c (cselib_preserve_constants,
3112         cfa_base_preserved_val): New static variables.
3113         (preserve_only_constants): New function.
3114         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3115         clear its REG_VALUES.  If cselib_preserve_constants, don't
3116         empty the whole hash table, but preserve there VALUEs with constants,
3117         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3118         (cselib_preserve_cfa_base_value): New function.
3119         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3120         (cselib_init): Change argument to int bitfield.  Set
3121         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3122         is in it.
3123         (cselib_finish): Clear cselib_preserve_constants and
3124         cfa_base_preserved_val.
3125         * cselib.h (enum cselib_record_what): New enum.
3126         (cselib_init): Change argument to int.
3127         (cselib_preserve_cfa_base_value): New prototype.
3128         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3129         * dse.c (dse_step1): Likewise.
3130         * cfgcleanup.c (thread_jump): Likewise.
3131         * sched-deps.c (sched_analyze): Likewise.
3132         * gcse.c (local_cprop_pass): Likewise.
3133         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3134         If FN is non-NULL, call the callback always and whenever it returns
3135         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3136         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3137         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3138         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3139         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3140         * var-tracking.c: Include recog.h.
3141         (bb_stack_adjust_offset): Remove.
3142         (vt_stack_adjustments): Don't call it, instead just gather the
3143         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3144         (adjust_stack_reference): Remove.
3145         (compute_cfa_pointer): New function.
3146         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3147         (struct adjust_mem_data): New type.
3148         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3149         functions.
3150         (get_address_mode): New function.
3151         (replace_expr_with_values): Use it.
3152         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3153         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3154         (adjust_sets): Remove.
3155         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3156         Use get_address_mode.
3157         (get_adjusted_src): Remove.
3158         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3159         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3160         (add_with_sets): Don't call adjust_sets.
3161         (fp_setter, vt_init_cfa_base): New functions.
3162         (vt_initialize): Change return type to bool.  Move most of pool etc.
3163         initialization to the beginning of the function from end.  Pass
3164         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3165         If !frame_pointer_needed, call vt_stack_adjustment before mos
3166         vector is filled, call vt_init_cfa_base if argp/framep has been
3167         eliminated to sp.  If frame_pointer_needed and argp/framep has
3168         been eliminated to hard frame pointer, set
3169         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3170         encountering fp setter in the prologue.  For MO_ADJUST, call
3171         log_op_type before pusing the op into mos vector, not afterwards.
3172         Call adjust_insn before cselib_process_insn/add_with_sets,
3173         call cancel_changes (0) afterwards.
3174         (variable_tracking_main_1): Adjust for vt_initialize calling
3175         vt_stack_adjustments and returning whether it succeeded or not.
3176
3177 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3178
3179         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3180         debug statements.
3181
3182 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3183
3184         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3185         has been set.
3186         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3187         drap_reg has not been set.
3188
3189 2010-03-15  Michael Matz  <matz@suse.de>
3190
3191         PR middle-end/43300
3192         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3193         use it to expand block copies.
3194         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3195         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3196         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3197
3198 2010-03-15  Richard Guenther  <rguenther@suse.de>
3199
3200         PR tree-optimization/43367
3201         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3202         elimination check.
3203
3204 2010-03-15  Richard Guenther  <rguenther@suse.de>
3205
3206         PR tree-optimization/43317
3207         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3208
3209 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3210
3211         PR tree-optimization/43141
3212         * tree-sra.c (create_abstract_origin): New function.
3213         (modify_function): Call create_abstract_origin.
3214
3215 2010-03-15  Chris Demetriou  <cgd@google.com>
3216
3217         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3218         wasn't copied.
3219
3220 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3221
3222         PR middle-end/43354
3223         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3224         call insert_out_of_ssa_copy for default definitions.
3225
3226 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3227
3228         * graphite-clast-to-gimple.c (my_long_long): Defined.
3229         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3230         * graphite-sese-to-poly.c (my_long_long): Defined.
3231         (scop_ivs_can_be_represented): Use it.
3232
3233 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3234
3235         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3236         graphite-max-bbs-per-function, and loop-block-tile-size.
3237         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3238         with "maximum".
3239         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3240
3241 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3242
3243         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3244         forward declaration.
3245         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3246         (add_upper_bounds_from_estimated_nit): New.
3247         (build_loop_iteration_domains): Use it.
3248
3249 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3250
3251         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3252
3253 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3254
3255         PR middle-end/43306
3256         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3257         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3258
3259 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3260
3261         * graphite.c (graphite_initialize): To bound the number of bbs per
3262         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3263         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3264         * doc/invoke.texi: Document it.
3265
3266 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3267
3268         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3269         * graphite-sese-to-poly.h (build_poly_scop): Same.
3270
3271 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3274         the number of parameters in the scop.  Use as an upper bound
3275         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3276         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3277         * doc/invoke.texi: Document it.
3278
3279 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3280
3281         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3282         * doc/c-tree.texi: Remove.
3283         * doc/generic.texi: Merge c-tree.texi here.
3284         * doc/gccint.texi (Trees): Remove menu entry.
3285         (c-tree.texi): Remove @include.
3286         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3287         * doc/languages.texi (Reading RTL): Ditto.
3288
3289 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3290
3291         PR target/42869
3292         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3293
3294 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3295
3296         PR middle-end/42431
3297         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3298         code added to work around reload clobbering CONST insns.
3299
3300 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3301
3302         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3303         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3304         (cselib_preserve_only_values): Remove retain argument, don't
3305         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3306         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3307         * var-tracking.c (micro_operation): Move insn field before union.
3308         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3309         (struct variable_tracking_info_def): Remove n_mos field, change
3310         mos into a vector of micro_operations.
3311         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3312         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3313         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3314         changing into a vector.
3315         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3316         come before all other uops generated by add_stores.
3317         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3318         argument removal.
3319         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3320         a vector.  Run just one pass over the bbs instead of separate counting
3321         and computation phase.
3322         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3323
3324         PR debug/43329
3325         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3326         into *nonlocalized_list vector.
3327         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3328         even if origin is non-NULL.
3329         (gen_variable_die): Likewise.
3330         (process_scope_var): Don't change origin.
3331         (gen_decl_die): Likewise.
3332         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3333         before adding new edges instead of after it, fix moving over
3334         debug stmts.
3335
3336 2010-03-11  David S. Miller  <davem@davemloft.net>
3337
3338         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3339         of four.
3340         * configure: Rebuild.
3341
3342 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3343
3344         PR tree-optimization/43257
3345         * tree.c (assign_assembler_name_if_neeeded): New function.
3346         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3347         above new function.
3348         * tree.h (assign_assembler_name_if_neeeded): Declare.
3349         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3350         the function if needed.
3351
3352 2010-03-11  Chris Demetriou  <cgd@google.com>
3353
3354         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3355         include/stdint-gcc.h, and include/stdint.h world-readable.
3356
3357 2010-03-11  Richard Guenther  <rguenther@suse.de>
3358
3359         PR tree-optimization/43255
3360         * tree-vrp.c (process_assert_insertions_for): Do not insert
3361         asserts for trivial conditions.
3362
3363 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3364
3365         PR tree-optimization/43280
3366         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3367         generation.  Move calculation of size out of the if branch.
3368         (find_bswap): Modify compare number generation.
3369
3370 2010-03-11  Richard Guenther  <rguenther@suse.de>
3371
3372         PR lto/43200
3373         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3374         (input_gimple_stmt): Fixup handled component types during
3375         operand read.  Also fix up decls in ADDR_EXPRs.
3376
3377 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3378
3379         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3380         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3381
3382 2010-03-10  Jan Hubicka  <jh@suse.cz>
3383
3384         PR c/43288
3385         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3386         * varasm.c (get_variable_section): Don't do that here...
3387         (make_decl_rtl): ... and here.
3388         (do_assemble_alias): Produce decl RTL.
3389         (assemble_alias): Likewise.
3390
3391 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3392
3393         PR debug/43290
3394         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3395         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3396         of fde->vdrap_reg.
3397         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3398         (based_loc_descr): Only express drap or vdrap regno based expressions
3399         using DW_OP_fbreg when not optimizing.
3400         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3401         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3402         REG_CFA_SET_VDRAP note.
3403
3404 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3405
3406         PR tree-optimization/43236
3407         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3408         error in calculation of base address in reverse iteration case.
3409         (generate_builtin): Take number of latch executions if the statement
3410         is in the latch.
3411
3412 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3413
3414         PR middle-end/42859
3415         * tree-eh.c: Include pointer-set.h.
3416         (lower_eh_dispatch): Filter out duplicate case labels and
3417         remove the unneeded edge when the label is unused.  Return
3418         true when some edges are removed.
3419         (execute_lower_eh_dispatch): When any lowering resulted in
3420         removing an edge, also delete unreachable blocks.
3421
3422 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3423
3424         PR bootstrap/43287
3425         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3426         UNSPEC_MACHOPIC_OFFSET.
3427
3428 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3429
3430         PR target/43294
3431         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3432         (m68k_delegitimize_address): New function.
3433
3434 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3435
3436         PR debug/43299
3437         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3438
3439         PR debug/43299
3440         * var-tracking.c (adjust_sets): New function.
3441         (count_with_sets, add_with_sets): Use it.
3442         (get_adjusted_src): New inline function.
3443         (add_stores): Use it.
3444