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PR middle-end/43570
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2
3         PR middle-end/43570
4         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
5         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
6         (lower_copyprivate_clauses): Use private var in outer
7         context instead of original var.  Make sure the types
8         are correct for VLAs.
9
10 2010-04-21  Richard Guenther  <rguenther@suse.de>
11
12         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
13         to non-pointer objects.
14
15 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
16
17         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
18         last chain entry if it starts with the still current label.
19         (add_location_or_const_value_attribute): Check that
20         loc_list->first->next is NULL instead of comparing ->first with
21         ->last.
22         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
23         to add_var_loc_to_decl.
24
25         * dwarf2out.c (output_call_frame_info): For dw_cie_version
26         >= 4 add also address size and segment size fields into CIE
27         header.
28
29         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
30         long as address size is the same as sizeof (void *) and
31         segment size is 0.
32         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
33         address size or segment size is unexpected, return DW_EH_PE_omit.
34         (classify_object_over_fdes): If get_cie_encoding returned
35         DW_EH_PE_omit, return -1.
36         (init_object): If classify_object_over_fdes returned -1,
37         pretend there were no FDEs at all.
38
39 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
40
41         * config/i386/i386.md (bswap<mode>2): Macroize expander from
42         bswap{si,di}2 using SWI48 mode iterator.
43         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
44         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
45         set modrm attribute of bswap insn to 0 and remove length attribute.
46         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
47         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
48         set mode attribute to <MODE> and remove length attribute.
49
50 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
51
52         PR rtl-optimization/43520
53         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
54         zero available registers.
55
56 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
57
58         * builtins.c (fold_builtin_cproj): Fold more cases.
59
60 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
61
62         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
63         (fold_builtin_1): Fold builtin cproj.
64         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
65         Use ATTR_CONST_NOTHROW_LIST.
66
67 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
68
69         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
70         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
71         ffsi2_no_cmove for !TARGET_CMOVE.
72         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
73         (ffssi2): Remove expander.
74         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
75         mode iterator.
76         (ctz<mode>2): Ditto from ctz{si,di}2.
77         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
78         mode iterator.
79         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
80         mode iterator.
81
82 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
83
84         * dwarf2out.c (AT_linkage_name): Define.
85         (clone_as_declaration): Handle DW_AT_linkage_name.
86         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
87         of DW_AT_MIPS_linkage_name.
88         (move_linkage_attr): Likewise.
89         (dwarf2out_finish): Likewise.
90
91 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
92
93         PR middle-end/41952
94         * fold-const.c (fold_comparison): New folding rule.
95
96 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
97
98         * double-int.h (double_int_setbit): Declare.
99         * double-int.c (double_int_setbit): New function.
100         * rtl.h (immed_double_int_const): Declare.
101         * emit-rtl.c (immed_double_int_const): New function.
102         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
103         and immed_double_int_const functions.
104         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
105         expand_copysign_bit):  (Ditto.).
106         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
107         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
108         * dojump.c (prefer_and_bit_test): (Ditto.).
109         * expr.c (convert_modes, reduce_to_bit_field_precision,
110         const_vector_from_tree): (Ditto.).
111         * expmed.c (mask_rtx, lshift_value): (Ditto.).
112
113 2010-04-20  Jan Hubicka  <jh@suse.cz>
114
115         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
116         (dump_cgraph_node): Dump new flags.
117         * cgraph.h (struct cgraph_node): Add flags
118         reachable_from_other_partition and in_other_partition.
119         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
120         other partition can not be removed.
121         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
122         the other partition must be output; silence sanity checking on
123         leaking functions bodies from other paritition.
124         * lto-cgraph.c (reachable_from_other_partition_p): New function.
125         (lto_output_node): Output new flags; do not sanity check that inline
126         clones are output; drop lto_forced_extern_inline_p code; do not mock
127         visibility flags at partition boundaries.
128         (add_node_to): New function.
129         (output_cgraph): Use it to sort functions so masters appear before
130         clones.
131         (input_overwrite_node): Input new flags.
132         * passes.c (ipa_write_summaries): Do not call
133         lto_new_extern_inline_states.
134         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
135         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
136         lto_forced_extern_inline_p): Kill.
137         * lto-streamer.h (lto_new_extern_inline_states,
138         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
139         lto_forced_extern_inline_p): Kill.
140
141 2010-04-20  Richard Guenther  <rguenther@suse.de>
142
143         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
144         from vars that can have pointers.
145         (process_constraint): Dump useless constraints.
146
147 2010-04-20  Richard Guenther  <rguenther@suse.de>
148
149         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
150         (dump_sa_points_to_info): Remove asserts.
151         (init_base_vars): nothing_id isn't an escape point nor does it
152         have pointers.
153
154 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
155
156         * tree.h (TYPE_REF_IS_RVALUE): Define.
157         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
158         should_move_die_to_comdat, prune_unused_types_walk): Handle
159         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
160         (modified_type_die, gen_reference_type_die): Emit
161         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
162         if TYPE_REF_IS_RVALUE and -gdwarf-4.
163
164 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
165
166         PR target/43635
167         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
168         calls for -fpic -m31 if they have been sibcall optimized.
169
170 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
171
172         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
173         ar.lc fixed and call-used.
174
175         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
176
177 2010-04-19  Jan Hubicka  <jh@suse.cz>
178
179         * opts.c (decode_options): Disable whpr incompatible passes.
180         * lto/lto.c (lto_1_to_1_map): Skip clones.
181         (read_cgraph_and_symbols): Do not mark everything as needed.
182         (do_whole_program_analysis): Do map only after optimizing;
183         set proper cgraph_state; use passmanager.
184
185 2010-04-19  DJ Delorie  <dj@redhat.com>
186
187         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
188         POINTER_PLUS_EXPR and fix them.
189
190 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
191
192         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
193         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
194         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
195         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
196         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
197         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
198         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
199         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
200         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
201         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
202         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
203
204 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
205
206         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
207         (check_cond_move_block): Likewise.
208         (cond_move_process_if_block): Likewise.
209         (noce_find_if_block): Improve formatting.
210         (find_if_header): Pass 0 to memset and tweak conditions.
211         (cond_exec_find_if_block): Fix long lines and tweak conditions.
212
213 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
214
215         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
216         for -gdwarf-4.
217
218         PR middle-end/43337
219         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
220         with non-local decl doesn't need chain.
221
222 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
223
224         * ira-color.c (allocno_reload_assign): Avoid accumulating
225         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
226
227 2010-04-19  Martin Jambor  <mjambor@suse.cz>
228
229         * gimple.h (create_tmp_reg): Declare.
230         * gimplify.c (create_tmp_reg): New function.
231         (gimplify_return_expr): Use create_tmp_reg.
232         (gimplify_omp_atomic): Likewise.
233         (gimple_regimplify_operands): Likewise.
234         * tree-dfa.c (make_rename_temp): Likewise.
235         * tree-predcom.c (predcom_tmp_var): Likewise.
236         (reassociate_to_the_same_stmt): Likewise.
237         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
238         (get_replaced_param_substitute): Likewise.
239         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
240         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
241         * tree-ssa-pre.c (get_representative_for): Likewise.
242         (create_expression_by_pieces): Likewise.
243         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
244         (create_tailcall_accumulator): Likewise.
245
246 2010-04-19  Martin Jambor  <mjambor@suse.cz>
247
248         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
249         new_stmt.
250         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
251
252 2010-04-19  Richard Guenther  <rguenther@suse.de>
253
254         PR tree-optimization/43796
255         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
256         from SCEV in the lattice.
257         (vrp_visit_phi_node): Dump change.
258
259 2010-04-19  Richard Guenther  <rguenther@suse.de>
260
261         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
262         * configure: Re-generated.
263
264 2010-04-19  Richard Guenther  <rguenther@suse.de>
265
266         PR tree-optimization/43783
267         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
268         constant ARRAY_REF operands two and three if possible.
269
270 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
271
272         PR target/43766
273         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
274
275 2010-04-19  Jie Zhang  <jie@codesourcery.com>
276
277         PR target/43662
278         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
279
280 2010-04-19 Ira Rosen <irar@il.ibm.com>
281
282         PR tree-optimization/37027
283         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
284         and macro to access it.
285         (vectorizable_reduction): Add argument.
286         (vect_get_slp_defs): Likewise.
287         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
288         statements for possible use in SLP.
289         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
290         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
291         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
292         add new argument.
293         (vectorizable_reduction): Likewise.
294         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
295         vect_get_slp_defs.
296         (vectorizable_type_demotion, vectorizable_type_promotion,
297         vectorizable_store): Likewise.
298         (vect_analyze_stmt): Update call to vectorizable_reduction.
299         (vect_transform_stmt): Likewise.
300         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
301         (vect_build_slp_tree): Fix indentation. Check that there are no loads
302         from different interleaving chains in same node.
303         (vect_slp_rearrange_stmts): New function.
304         (vect_supported_load_permutation_p): Allow load permutations for
305         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
306         inside SLP nodes if necessary.
307         (vect_analyze_slp_instance): Handle reductions.
308         (vect_analyze_slp): Try to build SLP instances originating from groups
309         of reductions.
310         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
311         (vect_get_constant_vectors): Create initial vectors for reductions
312         according to reduction code. Add new argument.
313         (vect_get_slp_defs): Add new argument, pass it to
314         vect_get_constant_vectors.
315         (vect_schedule_slp_instance): Remove SLP tree root statements.
316
317 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
318
319         * tree.h (ENUM_IS_SCOPED): Define.
320         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
321         for ENUM_IS_SCOPED enums.
322
323 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
324
325         * fold-const.c (fold_comparison): Use ssizetype.
326         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
327         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
328         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
329         * tree-object-size.c (compute_object_sizes): Use size_type_node.
330
331         * tree.h (initialize_sizetypes): Remove parameter.
332         (build_common_tree_nodes): Remove second parameter.
333         * stor-layout.c (initialize_sizetypes): Remove parameter.
334         Always create an unsigned type.
335         (set_sizetype): Assert that the passed type is unsigned and simplify.
336         * tree.c (build_common_tree_nodes): Remove second parameter.
337         Adjust call to initialize_sizetypes.
338         * c-decl.c (c_init_decl_processing): Remove second argument in call to
339         build_common_tree_nodes.
340
341 2010-04-18  Matthias Klose  <doko@ubuntu.com>
342
343         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
344
345 2010-04-18 Ira Rosen <irar@il.ibm.com>
346
347         PR tree-optimization/43771
348         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
349         load permutation doesn't have gaps.
350
351 2010-04-18  Jan Hubicka  <jh@suse.cz>
352
353         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
354         (sse_prologue_save_insn expander): Use new pattern.
355         (sse_prologue_save_insn1): New pattern and splitter.
356         (sse_prologue_save_insn): Update to deal also with 64bit aligned
357         blocks.
358         * i386.c (setup_incoming_varargs_64): Do not compute jump
359         destination here.
360         (ix86_gimplify_va_arg): Update alignment needed.
361         (ix86_local_alignment): Do not align all local arrays to 128bit.
362
363 2010-04-17  Jan Hubicka  <jh@suse.cz>
364
365         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
366
367 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
368
369         * arm.md (negdi2): Remove redundant code to force values into a
370         register.
371
372 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
373
374         * arm/bpabi.S: Add EABI alignment attributes to objects.
375         * arm/bpabi-v6m.S: Likewise.
376         * arm/crti.asm: Likewise.
377         * arm/crtn.asm: Likewise.
378         * arm/lib1funcs.asm: Likewise.
379         * arm/libunwind.S: Likewise.
380
381 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
382
383         * arm-protos.h (tune_params): New structure.
384         * arm.c (current_tune): New variable.
385         (arm_constant_limit): Delete.
386         (struct processors): Add pointer to the tune parameters.
387         (arm_slowmul_tune): New tuning option.
388         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
389         (all_cores): Adjust to pick up the tuning model.
390         (arm_constant_limit): New function.
391         (arm_override_options): Select the appropriate tuning model.  Delete
392         initialization of arm_const_limit.
393         (arm_split_constant): Use the new constant-limit model.
394         (arm_rtx_costs): Pick up the current tuning model.
395         * arm.md (is_strongarm, is_xscale): Delete.
396         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
397         for Xscale variant architectures.
398         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
399
400 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
401
402         * config/arm/arm.c (arm_gen_constant): Remove unused variable
403         can_shift.
404         (arm_rtx_costs_1): Remove unused variable extra_cost.
405         (arm_unwind_emit_set): Use variable offset.
406         (thumb1_output_casesi): Remove unused variable flags.
407
408 2010-04-16  Jeff Law  <law@redhat.com>
409
410         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
411         needing assignment rather than doing a two-phase assignment.  Remove
412         unused variable 'm'.
413
414 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
415
416         PR bootstrap/43767
417         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
418
419 2010-04-16  Doug Kwan  <dougkwan@google.com>
420
421         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
422         (next_operand_entry_id): New static variable.
423         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
424         (add_to_ops_vec): Assigned unique ID to operand entry.
425         (struct oecount_s): New field ID.
426         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
427         (undistribute_ops_list): Assign unique IDs to oecounts.
428         (init_reassoc): reset next_operand_entry_id.
429
430 2010-04-16  Doug Kwan  <dougkwan@google.com>
431
432         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
433         missing left parenthesis.
434
435 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
436
437         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
438         *btdi_rex64 using SWI48 mode iterator.
439         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
440         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
441         *jcc_btdi_mask_rex64.
442
443 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
444
445         * double-int.h (tree_to_double_int): Convert to macro.
446         * double-int.c (tree_to_double_int): Remove.
447
448 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
449
450         PR debug/43762
451         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
452         with want_address 2 and in case a single element list might be
453         possible, call it again with want_address 0.
454
455 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
456
457         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
458         case 'W' print operands for HI mode.
459         * config/h8300/h8300.h (Y0, Y2) : New constraints.
460         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
461         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
462         * config/h8300/predicate.md (bit_register_indirect_operand): New.
463
464         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
465
466         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
467         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
468         #xx:3 and #xx:4 mode.
469
470         * config/h8300/h8300.md (inverted load with HImode dest): Add
471         support for H8300SX.
472
473         * config/h8300/predicate.md (bit_operand): Allow immediate values that
474         satisfy 'U' constraint.
475
476 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
477
478         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
479         * configure: Regenerate.
480         * config.in: Regenerate.
481         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
482         works.
483
484 2010-04-16  Richard Guenther  <rguenther@suse.de>
485
486         * tree.h (struct tree_decl_minimal): Move pt_uid ...
487         (struct tree_decl_common): ... here.
488         (DECL_PT_UID): Adjust.
489         (SET_DECL_PT_UID): Likewise.
490         (DECL_PT_UID_SET_P): Likewise.
491
492 2010-04-16  Richard Guenther  <rguenther@suse.de>
493
494         PR tree-optimization/43572
495         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
496         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
497         * tree-flow.h (is_call_clobbered): Remove.
498         * tree-flow-inline.h (is_call_clobbered): Likewise.
499         * tree-dfa.c (dump_variable): Do not dump call clobber state.
500         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
501         (execute_return_slot_opt): Adjust.
502         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
503         check for call clobbered vars here.
504         (find_tail_calls): Move tailcall verification to the
505         proper place.
506
507 2010-04-16  Diego Novillo  <dnovillo@google.com>
508
509         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
510
511 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
512
513         PR target/40603
514         * config/arm/arm.md (cbranchqi4): New pattern.
515         * config/arm/predicates.md (const0_operand,
516         cbranchqi4_comparison_operator): New predicates.
517
518 2010-04-16  Richard Guenther  <rguenther@suse.de>
519
520         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
521         (dump_gimple_stmt): Likewise.
522
523 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
524
525         * recog.h (struct recog_data): New field is_operator.
526         (struct insn_operand_data): New field is_operator.
527         * recog.c (extract_insn): Set recog_data.is_operator.
528         * genoutput.c (output_operand_data): Emit code to set the
529         is_operator field.
530         * reload.c (find_reloads): Use it rather than testing for an
531         empty constraint string.
532
533         PR target/41514
534         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
535         If the previous insn is a cbranchsi4_insn with the same arguments,
536         omit the compare instruction.
537
538         * config/arm/arm.md (addsi3_cbranch): If destination is a high
539         register, inputs must be low registers and we need a low register
540         scratch.  Handle alternative 2 like alternative 3.
541
542 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
543
544         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
545         don't call get_addr on both.  If one expression is a VALUE and
546         the other a REG, check VALUE's locs if the REG isn't among them.
547
548 2010-04-16  Christian Bruel  <christian.bruel@st.com>
549
550         * config/sh/sh.h (sh_frame_pointer_required): New function.
551         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
552         (flag_omit_frame_pointer) Set.
553         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
554         (rounded_frame_size): Adjust size with outgoing_args_size.
555         (sh_set_return_address): Must return from stack pointer.
556         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
557         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
558         (ACCUMULATE_OUTGOING_ARGS): Define.
559         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
560         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
561
562 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
563
564         PR target/43471
565         * config/sh/sh.c (sh_legitimize_reload_address): Use
566         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
567         Remove a unneeded check for offset_base.
568
569 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
570
571         * configure: Regenerated.
572
573 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
574
575         * config/s390/s390.c (s390_call_save_register_used): Switch back
576         to HARD_REGNO_NREGS.
577
578 2010-04-15  Richard Guenther  <rguenther@suse.de>
579
580         * alias.c (alias_set_subset_of): Handle alias-set zero
581         child properly.
582
583 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
584             Julian Brown  <julian@codesourcery.com>
585
586         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
587         alternatives according to use of high and low regs.
588         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
589         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
590         optimizing for size on Thumb-2.
591
592 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
593
594         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
595
596 2010-04-15  Richard Guenther  <rguenther@suse.de>
597
598         * tree-ssa-structalias.c (struct variable_info): Add
599         is_fn_info flag.
600         (new_var_info): Initialize it.
601         (dump_constraints): Support printing last added constraints.
602         (debug_constraints): Adjust.
603         (dump_constraint_graph): Likewise.
604         (make_heapvar_for): Check for NULL cfun.
605         (get_function_part_constraint): New function.
606         (get_fi_for_callee): Likewise.
607         (find_func_aliases): Properly implement IPA PTA constraints.
608         (process_ipa_clobber): New function.
609         (find_func_clobbers): Likewise.
610         (insert_into_field_list_sorted): Remove.
611         (create_function_info_for): Properly allocate vars for IPA mode.
612         Do not use insert_into_field_list_sorted.
613         (create_variable_info_for): Properly generate constraints for
614         global vars in IPA mode.
615         (dump_solution_for_var): Always dump the solution.
616         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
617         (find_what_var_points_to): Adjust.
618         (pt_solution_set): Change.
619         (pt_solution_ior_into): New function.
620         (pt_solution_empty_p): Export.
621         (pt_solution_includes_global): Adjust.
622         (pt_solution_includes_1): Likewise.
623         (pt_solutions_intersect_1): Likewise.
624         (dump_sa_points_to_info): Check some invariants.
625         (solve_constraints): Move constraint dumping ...
626         (compute_points_to_sets): ... here.
627         (ipa_pta_execute): ... and here.
628         (compute_may_aliases): Do not re-compute points-to info
629         locally if IPA info is available.
630         (ipa_escaped_pt): New global var.
631         (ipa_pta_execute): Properly implement IPA PTA.
632         * tree-into-ssa.c (dump_decl_set): Support dumping
633         decls not in referenced-vars.
634         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
635         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
636         (dump_points_to_solution): Likewise.
637         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
638         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
639         (remap_gimple_stmt): Reset call clobber/use information if necessary.
640         (copy_decl_to_var): Copy DECL_PT_UID.
641         (copy_result_decl_to_var): Likewise.
642         * tree.c (make_node_stat): Initialize DECL_PT_UID.
643         (copy_node_stat): Copy it.
644         * tree.h (DECL_PT_UID): New macro.
645         (SET_DECL_PT_UID): Likewise.
646         (DECL_PT_UID_SET_P): Likewise.
647         (struct tree_decl_minimal): Add pt_uid member.
648         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
649         (pt_solution_empty_p): Declare.
650         (pt_solution_set): Adjust.
651         (ipa_escaped_pt): Declare.
652         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
653         * gimple-pretty-print.c (pp_points_to_solution): New function.
654         (dump_gimple_call): Dump call clobber/use information.
655         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
656         * tree-pass.h (TDF_ALIAS): New dump option.
657         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
658         * doc/invoke.texi (-fipa-pta): Update documentation.
659
660 2010-04-15  Richard Guenther  <rguenther@suse.de>
661
662         * Makefile.in (OBJS-common): Add gimple-fold.o.
663         (gimple-fold.o): New rule.
664         * tree.h (maybe_fold_offset_to_reference,
665         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
666         prototypes ...
667         * gimple.h: ... here.
668         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
669         may_propagate_address_into_dereference): Move prototypes ...
670         * gimple.h: ... here.
671         * tree-ssa-ccp.c (get_symbol_constant_value,
672         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
673         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
674         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
675         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
676         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
677         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
678         gimplify_and_update_call_from_tree): Move ...
679         * gimple-fold.c: ... here.  New file.
680         (ccp_fold_builtin): Rename to ...
681         (gimple_fold_builtin): ... this.
682         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
683
684 2010-04-15  Richard Guenther  <rguenther@suse.de>
685
686         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
687         fit_double_type, force_fit_type_double, add_double_with_sign,
688         neg_double, mul_double_with_sign, lshift_double, rshift_double,
689         lrotate_double, rrotate_double, div_and_round_double): Move ...
690         * double-int.c: ... here.
691         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
692         add_double, neg_double, mul_double_with_sign, mul_double,
693         lshift_double, rshift_double, lrotate_double, rrotate_double,
694         div_and_round_double): Move prototypes ...
695         * double-int.h: ... here.
696
697 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
698
699         PR target/43742
700         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
701         matching constraints to ensure inputs match the output.
702
703 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
704
705         PR target/43742
706         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
707         in an input-only operand.
708
709 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
710
711         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
712         (double_int_not, double_int_lshift, double_int_rshift): Declare.
713         (double_int_negative_p): Convert to static inline function.
714         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
715         (double_int_negative_p): Remove.
716         * tree.h (lshift_double, rshift_double):
717         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
718         * fold-const.c (fold_convert_const_int_from_real,
719         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
720         (lshift_double): Change type of arith argument to bool.
721         (rshift_double): Change type of arith argument to bool. Correct
722         comment.
723         * expmed.c (mask_rtx, lshift_value): (Ditto.).
724
725 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
726
727         PR target/21803
728         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
729         at the start and end of the then/else blocks, and omit them from the
730         conversion.
731         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
732         argument; all callers changed.  Pass zero to old_insns_match_p instead.
733         (flow_find_head_matching_sequence): New function.
734         (old_insns_match_p): Check REG_EH_REGION notes for calls.
735         * basic-block.h (flow_find_cross_jump,
736         flow_find_head_matching_sequence): Declare functions.
737
738 2010-04-14  Jason Merrill  <jason@redhat.com>
739
740         PR c++/36625
741         * c-common.c (attribute_takes_identifier_p): New fn.
742         * c-common.h: Declare it.
743
744 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
745
746         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
747         splitter condition.
748         (*udivmod<mode>4): Ditto.
749
750 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
751
752         * config/i386/i386.md (maxmin_int): Rename code attribute from
753         maxminiprefix and update all users.
754         (maxmin_float): Ditto from maxminfprefix.
755         (logic): Ditto from logicprefix.
756         (absneg_mnemonic): Ditto from absnegprefix.
757         * config/i386/mmx.md: Update all users of maxminiprefix,
758         maxminfprefix and logicprefix for rename.
759         * config/i386/sse.md: Ditto.
760         * config/i386/sync.md (sync_<code><mode>): Update for
761         logicprefix rename.
762
763 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
764
765         PR 42966
766         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
767         warnings converted to errors.
768
769 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
770
771         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
772         used insn_type variable.
773         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
774         to avoid set-but-not-used warning.
775
776 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
777
778         * df-core.c (df_ref_debug): Change format string placeholder
779         from 0x%x to %#x.
780         * dwarf2asm.c (dw2_asm_output_data_raw,
781         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
782         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
783         * dwarf2out.c (output_cfi, output_cfi_directive,
784         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
785         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
786         Ditto.
787         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
788         * print-rtl.c (print_rtx): Ditto.
789
790 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
791
792         PR middle-end/42694
793         * builtins.c (expand_builtin_pow_root): New function to expand pow
794         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
795         series of sqrt and cbrt calls under -ffast-math.
796         (expand_builtin_pow): Call it.
797
798 2010-04-14  Michael Matz  <matz@suse.de>
799
800         PR tree-optimization/42963
801         * tree-cfg.c (touched_switch_bbs): New static variable.
802         (group_case_labels_stmt): New function broken out from ...
803         (group_case_labels): ... here, use the above.
804         (start_recording_case_labels): Allocate touched_switch_bbs.
805         (end_recording_case_labels): Deallocate it, call
806         group_case_labels_stmt.
807         (gimple_redirect_edge_and_branch): Remember index of affected BB.
808
809 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
810
811         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
812         from insn template.
813
814 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
815
816         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
817
818 2010-04-13  Jan Hubicka  <jh@suse.cz>
819
820         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
821         of optimized out static functions.
822         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
823         cost computation.  Also sanity check for overflows.
824         (update_caller_keys): Update cgraph_edge_badness call; properly
825         update fibheap and sanity check that it is up to date.
826         (add_new_edges_to_heap): Update cgraph_edge_badness.
827         (cgraph_decide_inlining_of_small_function): Likewise;
828         add sanity checking that badness in heap is up to date;
829         improve dumping of reason; Update badness of calls to the
830         offline copy of function currently inlined; dump badness
831         of functions not inlined because of unit growth limits.
832
833 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
834
835         PR middle-end/32628
836         * c-common.c (pointer_int_sum): Disregard overflow that occured only
837         because of sign-extension change when converting to sizetype here...
838         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
839
840         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
841         the folding to constants.  Remove redundant final conversion.
842         (fold_binary) <associate>: Do not associate if the re-association of
843         constants alone overflows.
844         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
845         to the end of the list.
846         (multiple_of_p) <COND_EXPR>: New case.
847
848 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
849
850         * opt-functions.awk (opt_sanitized_name): New.
851         (opt_enum): New.
852         * optc-gen.awk: Use it
853         * opth-gen.awk: Use it.
854
855 2010-04-13  Martin Jambor  <mjambor@suse.cz>
856
857         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
858         (sra_modify_assign): Delete stmts loading dead data even if racc has no
859         children.  Call replace_uses_with_default_def_ssa_name to handle
860         SSA_NAES on lhs.
861
862 2010-04-13  Michael Matz  <matz@suse.de>
863
864         PR middle-end/43730
865         * builtins.c (expand_builtin_interclass_mathfn): Also create
866         a register if the predicate doesn't match.
867
868 2010-04-13  Diego Novillo  <dnovillo@google.com>
869
870         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
871         * c-pch.c: Include timevar.h.
872         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
873         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
874         * ggc-common.c: Include timevar.h.
875         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
876         * timevar.def (TV_PCH_SAVE): Define.
877         (TV_PCH_CPP_SAVE): Define.
878         (TV_PCH_PTR_REALLOC): Define.
879         (TV_PCH_PTR_SORT): Define.
880         (TV_PCH_RESTORE): Define.
881         (TV_PCH_CPP_RESTORE): Define.
882
883 2010-04-13  Michael Matz  <matz@suse.de>
884
885         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
886         into MINUS_EXPRs.
887         (can_reassociate_p): New function.
888         (break_up_subtract_bb, reassociate_bb): Use it.
889
890 2010-04-13  Richard Guenther  <rguenther@suse.de>
891
892         PR bootstrap/43737
893         * builtins.c (c_readstr): Fix assert.
894
895 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
896
897         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
898         when generating cltd insn.
899
900         (*ashl<mode>3_1): Remove special handling for register operand 2.
901         (*ashlsi3_1_zext): Ditto.
902         (*ashlhi3_1): Ditto.
903         (*ashlhi3_1_lea): Ditto.
904         (*ashlqi3_1): Ditto.
905         (*ashlqi3_1_lea): Ditto.
906         (*<shiftrt_insn><mode>3_1): Ditto.
907         (*<shiftrt_insn>si3_1_zext): Ditto.
908         (*<shiftrt_insn>qi3_1_slp): Ditto.
909         (*<rotate_insn><mode>3_1): Ditto.
910         (*<rotate_insn>si3_1_zext): Ditto.
911         (*<rotate_insn>qi3_1_slp): Ditto.
912
913 2010-04-13  Richard Guenther  <rguenther@suse.de>
914
915         * tree-ssa-structalias.c (callused_id): Remove.
916         (call_stmt_vars): New.
917         (get_call_vi): Likewise.
918         (lookup_call_use_vi): Likewise.
919         (lookup_call_clobber_vi): Likewise.
920         (get_call_use_vi): Likewise.
921         (get_call_clobber_vi): Likewise.
922         (make_transitive_closure_constraints): Likewise.
923         (handle_const_call): Adjust to do per-call call-used handling.
924         (handle_pure_call): Likewise.
925         (find_what_var_points_to): Remove general callused handling.
926         (init_base_vars): Likewise.
927         (init_alias_vars): Initialize call_stmt_vars.
928         (compute_points_to_sets): Process call-used and call-clobbered
929         vars for call statements.
930         (delete_points_to_sets): Free call_stmt_vars.
931
932 2010-04-13  Richard Guenther  <rguenther@suse.de>
933
934         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
935         Only add RW dependence for dependence distance zero.
936         Adjust maximal vectorization factor according to dependences.
937         Move alignment handling ...
938         (vect_find_same_alignment_drs): ... here.  New function.
939         (vect_analyze_data_ref_dependences): Adjust.
940         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
941         (vect_analyze_data_refs): Adjust minimal vectorization factor
942         according to data references.
943         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
944         dependences before determining the vectorization factor.
945         Analyze alignment after determining the vectorization factor.
946         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
947         dependences before alignment.
948         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
949         Adjust prototype.
950         (vect_analyze_data_refs): Likewise.
951         (MAX_VECTORIZATION_FACTOR): New define.
952
953 2010-04-13  Duncan Sands  <baldrick@free.fr>
954
955         * except.h (lang_eh_type_covers): Remove.
956         * except.c (lang_eh_type_covers): Likewise.
957
958 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
959             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
960
961         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
962         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
963         UNITS_PER_LONG where it is ABI relevant.
964         (s390_return_addr_rtx): Likewise.
965         (s390_back_chain_rtx): Likewise.
966         (s390_frame_area): Likewise.
967         (s390_frame_info): Likewise.
968         (s390_initial_elimination_offset): Likewise.
969         (save_gprs): Likewise.
970         (s390_emit_prologue): Likewise.
971         (s390_emit_epilogue): Likewise.
972         (s390_function_arg_advance): Likewise.
973         (s390_function_arg): Likewise.
974         (s390_va_start): Likewise.
975         (s390_gimplify_va_arg): Likewise.
976         (s390_function_profiler): Likewise.
977         (s390_optimize_prologue): Likewise.
978         (s390_rtx_costs): Likewise.
979         (s390_secondary_reload): Likewise.
980         (s390_promote_function_mode): Likewise.
981         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
982         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
983         registers available.
984         (s390_unwind_word_mode): New function.
985         (s390_function_value): Split 64 bit values into register pair if
986         used as return value.
987         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
988         function call parameters.  Handle parallels.
989         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
990         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
991         (DWARF_CIE_DATA_ALIGNMENT): New macro.
992         (s390_expand_setmem): Remove unused variable src_addr.
993         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
994         deal with 64 bit registers.
995         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
996         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
997         (UNITS_PER_LONG): New macro.
998         * libjava/include/s390-signal.h: Define extended ucontext
999         structure containing the upper halfs of the 64 bit registers.
1000
1001 2010-04-13  Simon Baldwin  <simonb@google.com>
1002
1003         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1004
1005 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1006
1007         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1008         rvalue on the RHS if the LHS is of a non-renamable type.
1009         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1010
1011 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1012
1013         * gcc.c (cc1_options): Handle -iplugindir before processing
1014         the cc1 spec. Only add -iplugindir once.
1015         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1016         found.
1017         * common.opt (iplugindir): Remove `Separate' property, initialize.
1018         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1019         option.
1020         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1021         (distclean): Remove plugin dir.
1022         * doc/invoke.texi: Document -iplugindir.
1023
1024 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1025
1026         * doc/plugins.texi (Loading Plugins): Document short
1027         -fplugin=foo option.
1028         (Plugin API): Mention default_plugin_dir_name function.
1029
1030         * gcc.c (find_file_spec_function): Add new declaration.
1031         (static_spec_func): Use it for "find-file".
1032         (find_file_spec_function): Add new function.
1033         (cc1_options): Add -iplugindir option if -fplugin* options found.
1034
1035         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1036
1037         * plugin.c (add_new_plugin): Updated comment, and handle short
1038         plugin name.
1039         (default_plugin_dir_name): Added new function.
1040
1041         * common.opt (iplugindir): New option to set the plugin directory.
1042
1043 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1044
1045         * config/i386/i386.md (any_rotate): New code iterator.
1046         (rotate_insn): New code attribute.
1047         (rotate): Ditto.
1048         (SWIM124): New mode iterator.
1049         (<rotate_insn>ti3): New expander.
1050         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1051         any_rotate code iterator.
1052         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1053         using any_rotate code iterator and SWIM124 mode iterator.
1054         (ix86_rotlti3): New insn_and_split pattern.
1055         (ix86_rotrti3): Ditto.
1056         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1057         ix86_rotl{di,ti}3 patterns.
1058         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1059         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1060         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1061         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1062         code iterator and SWI mode iterator.
1063         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1064         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1065         code iterator.
1066         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1067         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1068         (bswap rotatert splitter): Add splitter.
1069         (bswap splitter): Macroize splitter using any_rotate code iterator.
1070         Add insn predicate to split only for TARGET_USE_XCHGB or when
1071         optimizing function for size.
1072
1073 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1074
1075         * config/pa/pa.c (emit_move_sequence): Remove use of
1076         deleted variable flag_argument_noalias.
1077
1078 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1079
1080         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1081         configurations.
1082         Add to unsupported targets list.
1083         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1084         sparc*-sun-solaris2.[567]* from target lists.
1085         * configure: Regenerate.
1086         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1087         removal.
1088         Remove Solaris 7 patch references.
1089         (Specific, sparc-sun-solaris2.7): Removed.
1090         (sparc-sun-solaris2*): Update Solaris 7 example.
1091         (sparc64-*-solaris2*): Likewise.
1092
1093 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1094
1095         * config.build (alpha*-dec-osf4*): Remove.
1096         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1097         of obsolete configurations.
1098         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1099         support.
1100         * config/alpha/t-osf4: Renamed to ...
1101         * config/alpha/t-osf5: ... this.
1102         * config/alpha/osf.h: Renamed to ...
1103         * config/alpha/osf5.h: ... this.
1104         Merged old osf5.h contents.
1105         Update comments.
1106         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1107         (EXTRA_SPECS): Removed.
1108         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1109         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1110         Document that.
1111
1112 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1113
1114         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1115
1116 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1117
1118         PR/43702
1119         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1120         __thiscall convention.
1121
1122 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1123
1124         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1125         orig_base.
1126         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1127
1128 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1129
1130         * function.c (assign_parms_initialize_all): Add unused attribute
1131         to fntype.
1132
1133 2010-04-12  Richard Guenther  <rguenther@suse.de>
1134
1135         * gsstruct.def (GSS_CALL): New.
1136         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1137         * gimple.h: Include tree-ssa-alias.h.
1138         (struct gimple_statement_call): New.
1139         (union gimple_statement_struct_d): Add gimple_call member.
1140         (gimple_call_reset_alias_info): Declare.
1141         (gimple_call_use_set): New function.
1142         (gimple_call_clobber_set): Likewise.
1143         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1144         * gimple.c (gimple_call_reset_alias_info): New function.
1145         (gimple_build_call_1): Call it.
1146         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1147         * tree-inline.c (remap_gimple_stmt): Likewise.
1148         (expand_call_inline): Remove callused handling.
1149         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1150         * tree-dfa.c (dump_variable): Likewise.
1151         * tree-parloops.c (parallelize_loops): Likewise.
1152         * tree-ssa.c (init_tree_ssa): Likewise.
1153         (delete_tree_ssa): Likewise.
1154         * tree-flow-inline.h (is_call_used): Remove.
1155         * tree-flow.h (struct gimple_df): Remove callused member.
1156         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1157         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1158         (ref_maybe_used_by_call_p_1): Simplify.
1159         (call_may_clobber_ref_p_1): Likewise.
1160         * tree-ssa-structalias.c (compute_points_to_sets): Set
1161         the call stmt used and clobbered sets.
1162         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1163         (find_tail_calls): Verify the tail call.
1164
1165 2010-04-12  Richard Guenther  <rguenther@suse.de>
1166
1167         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1168         single-iteration always-inline inlining.
1169         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1170         (cgraph_decide_inlining): Do not handle always-inline specially.
1171         (try_inline): Remove always-inline cycle detection special case.
1172         Do not recurse on always-inlines.
1173         (cgraph_early_inlining): Do not iterate if not optimizing.
1174         (cgraph_gate_early_inlining): remove.
1175         (pass_early_inline): Run unconditionally.
1176         (gate_cgraph_decide_inlining): New function.
1177         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1178         not inlining or optimizing.
1179         (cgraph_decide_inlining_of_small_functions): Also consider
1180         always-inline functions.
1181         (cgraph_default_inline_p): Return true for nodes which should
1182         disregard inline limits.
1183         (estimate_function_body_sizes): Assume zero size and time for
1184         nodes which are marked as disregarding inline limits.
1185         (cgraph_decide_recursive_inlining): Do not perform recursive
1186         inlining on always-inline nodes.
1187
1188 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1189
1190         PR bootstrap/43699
1191         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1192         for exprs satisfying handled_component_p.
1193
1194 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1195
1196         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1197         non-constant aggregate elements.
1198
1199         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1200         is a real initialization.
1201
1202 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1203
1204         PR c/36774
1205         * c-decl.c (start_function): Move forward check for nested function.
1206
1207 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1208
1209         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1210         * config/sh/sh.c: Include reload.h.
1211         (sh_legitimize_reload_address): New.
1212         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1213         sh_legitimize_reload_address.
1214
1215 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1216
1217         * config/sh/sh.md (*movqi_pop): New insn pattern.
1218         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1219
1220 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1221
1222         * config/i386/i386.md (any_shiftrt): New code iterator.
1223         (shiftrt_insn): New code attribute.
1224         (shiftrt): Ditto.
1225         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1226         using any_shiftrt code iterator.
1227         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1228         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1229         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1230         pattern from corresponding peephole2 patterns.
1231         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1232         using any_shiftrt code iterator.
1233         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1234         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1235         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1236         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1237         *{ashr,lshr}<mode>3_cmp_zext.
1238         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1239
1240 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1241
1242         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1243         scratch register.
1244         (*lshr<mode>3_cconly): Ditto.
1245
1246 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1247
1248         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1249         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1250         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1251         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1252         DWI mode iterator.
1253         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1254         from corresponding peephole2 patterns.
1255         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1256         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1257         and *lshrdi3_1_rex64 using SWI mode iterator.
1258         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1259         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1260         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1261         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1262         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1263         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1264         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1265         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1266         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1267         SWI mode iterator.
1268
1269 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1270
1271         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1272         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1273         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1274         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1275         DWI mode iterator.
1276         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1277         from corresponding peephole2 patterns.
1278         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1279         (ashrsi3_cvt): Rename from ashrsi3_31.
1280         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1281         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1282         and x86_64_shift_adj_3 using SWI48 mode iterator.
1283         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1284         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1285         and *ashrdi3_1_rex64 using SWI mode iterator.
1286         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1287         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1288         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1289         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1290         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1291         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1292         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1293         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1294         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1295         SWI mode iterator.
1296         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1297         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1298         x86_shift<mode>_adj_3 expanders.
1299
1300 2010-04-10  Wei Guozhi  <carrot@google.com>
1301
1302         PR target/42601
1303         * config/arm/arm.c (arm_pic_static_addr): New function.
1304         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1305         a static symbol.
1306         (arm_output_addr_const_extra): Output expression for new pattern.
1307         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1308
1309 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1310
1311         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1312         not enabled.
1313
1314         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1315         * web.c: Include "insn-config.h" and "recog.h".
1316         (union_match_dups): New function.
1317         (web_main): Call it.
1318         (union_defs): Don't try to recognize match_dups.
1319
1320         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1321         if doing so would replace the entire pattern.
1322
1323 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1324
1325         PR target/43707
1326         PR target/43709
1327         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1328         and splitter pattern.  Change splitter operand 1 predicate to
1329         nonmemory_operand.
1330
1331 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1332
1333         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1334         lattices are addresses of CONST_DECLs with the same initial value.
1335         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1336         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1337
1338 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1339             Bernd Schmidt  <bernds@codesourcery.com>
1340
1341         * loop-invariant.c (replace_uses): New static function.
1342         (move_invariant_reg): Use it to ensure we can replace the uses.
1343
1344 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1345
1346         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1347         function template.
1348         (picochip_override_options): Enable section anchors only above -O1.
1349         (picochip_reorg): Fixed a couple of build warnings.
1350
1351 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1352
1353         * configure.ac (plugin -rdynamic test): Log result.
1354         * configure: Regenerate.
1355         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1356         (RDYNAMIC_SPEC): Define.
1357         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1358
1359 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1360
1361         * configure.ac: Determine Sun ld version numbers.
1362         (comdat_group): Restrict GNU ld version checks to gld.
1363         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1364         (enable_comdat): Support --enable-comdat.
1365         * configure: Regenerate.
1366         * doc/install.texi (Configuration): Document --enable-comdat.
1367
1368 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1369
1370         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1371         * config/sol2-gld.h: ... here.
1372         * config.gcc (sparc*-*-solaris2*): Reflect this.
1373         (i[34567]86-*-solaris2*): Use it.
1374
1375 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1376
1377         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1378         setup_clocks_p.
1379         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1380
1381 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1382
1383         PR 42965
1384         * diagnostic.c (diagnostic_initialize): Initialize
1385         some_warnings_are_errors.
1386         (diagnostic_finish): New.
1387         (diagnostic_action_after_output): Call it before exiting.
1388         (diagnostic_report_diagnostic): Do not print message here. Set
1389         some_warnings_are_errors.
1390         * diagnostic.h (diagnostic_context): Delete
1391         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1392         (diagnostic_finish): Declare.
1393         * toplev.c (toplev_main): Call it before exit.
1394
1395 2010-04-09  Jason Merrill  <jason@redhat.com>
1396
1397         PR c++/42623
1398         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1399         for incomplete type.
1400
1401         PR c++/41788
1402         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1403         based on a warning flag.
1404
1405 2010-04-09  Richard Guenther  <rguenther@suse.de>
1406
1407         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1408
1409 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1410
1411         PR bootstrap/43684
1412         * varasm.c (default_assemble_visibility): Wrap vars that are
1413         set, but unused, by targets without GAS.
1414         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1415         Remove set, but unused, vars.
1416         (rs6000_legitimize_tls_address): Likewise.
1417         (altivec_expand_dst_builtin): Likewise.
1418         * config/darwin.c (machopic_classify_symbol): Likewise.
1419         (machopic_indirection_name): Likewise.
1420
1421 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1422
1423         * config/i386/i386.md (DWI): New mode iterator.
1424         (S): New mode attribute.
1425         (shift_operand): Ditto.
1426         (shift_immediate_operand): Ditto.
1427         (ashl_input_operand): Ditto.
1428         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1429         using SDWIM mode iterator.
1430         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1431         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1432         DWI mode iterator.
1433         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1434         from corresponding peephole2 patterns.
1435         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1436         and x86_64_shift_adj_1 using SWI48 mode iterator.
1437         (x86_shift<mode>_adj_2): Ditto.
1438         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1439         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1440         using SWI48 mode iterator.
1441         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1442         *ashldi3_cmp_rex64 using SWI mode iterator.
1443         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1444         *ashldi3_cconly_rex64 using SWI mode iterator.
1445         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1446         x86_shift<mode>_adj_{1,2}.
1447         (ix86_split_ashr): Ditto.
1448         (ix86_split_lshr): Ditto.
1449
1450 2010-04-09  Richard Guenther  <rguenther@suse.de>
1451
1452         * target.h (builtin_conversion): Pass in input and output types.
1453         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1454         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1455         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1456         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1457
1458         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1459         Handle AVX modes.
1460         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1461
1462 2010-04-09  Richard Guenther  <rguenther@suse.de>
1463
1464         PR target/43152
1465         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1466
1467 2010-04-09  Richard Guenther  <rguenther@suse.de>
1468
1469         * tree-vectorizer.h (struct _stmt_vec_info): Document
1470         that vectype is the type of the LHS.
1471         (supportable_widening_operation, supportable_narrowing_operation):
1472         Get both input and output vector types as arguments.
1473         (vect_is_simple_use_1): Declare.
1474         (get_same_sized_vectype): Likewise.
1475         * tree-vect-loop.c (vect_determine_vectorization_factor):
1476         Set STMT_VINFO_VECTYPE to the vector type of the def.
1477         (vectorizable_reduction): Adjust.
1478         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1479         Adjust.  Specify the output vector type.
1480         (vect_pattern_recog_1): Adjust.
1481         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1482         (vectorizable_call): Adjust.
1483         (vectorizable_conversion): Likewise.
1484         (vectorizable_operation): Likewise.
1485         (vectorizable_type_demotion): Likewise.
1486         (vectorizable_type_promotion): Likewise.
1487         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1488         the def.
1489         (vect_is_simple_use_1): New function.
1490         (supportable_widening_operation): Get both input and output
1491         vector types.
1492         (supportable_narrowing_operation): Likewise.
1493         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1494
1495 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1496
1497         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1498         __thiscall and _thiscall as predefined macros.
1499         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1500         thiscall attribute handling.
1501         (ix86_comp_type_attributes): Likewise.
1502         (ix86_function_regparm): Likewise.
1503         (ix86_return_pops_args): Likewise.
1504         (init_cumulative_args): Likewise.
1505         (find_drap_reg): Likewise.
1506         (ix86_static_chain): Likewise.
1507         (x86_this_parameter): Likewise.
1508         (x86_output_mi_thunk): Likewise.
1509         (ix86_attribute_table): Add description for thiscall attribute.
1510         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1511         * doc/extend.texi: Add documentation for thiscall.
1512
1513 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1514
1515         PR c++/28584
1516         * c.opt (Wint-to-pointer-cast): Available in C++.
1517         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1518
1519 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1520
1521         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1522         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1523         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1524         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1525         function type instead.  Reorder and simplify checks.
1526
1527         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1528
1529 2010-04-08  Jing Yu  <jingyu@google.com>
1530             Zdenek Dvorak  <ook@ucw.cz>
1531
1532         PR tree-optimization/42720
1533         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1534         loop unswitch conditions here from ...
1535         (tree_unswitch_single_loop): ... here.
1536
1537 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1538
1539         * tree-if-conv.c: Fix comments and simplify logic.
1540
1541 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1542
1543         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1544         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1545         (main_tree_if_conversion): Update call to tree_if_conversion.
1546
1547 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1548
1549         PR 42485
1550         * doc/invoke.texi (-b,-V): Delete.
1551         * doc/tm.texi: Do not mention -b.
1552         * gcc.c (display_help): Delete -b and -V.
1553         (process_command): Delete -b and -V.
1554         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1555
1556 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1557             Wolfgang Gellerich  <gellerich@de.ibm.com>
1558
1559         Implement target hook for loop unrolling
1560         * target.h (loop_unroll_adjust): Add a new target hook function.
1561         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1562         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1563         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1564         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1565         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1566         target hook.
1567         (decide_unroll_stupid): Likewise.
1568
1569 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1570
1571         PR target/43643
1572         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1573
1574 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1575
1576         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1577         (Specific, *-*-solaris2*): Likewise.
1578         Don't prefer Sun as over GNU as.
1579
1580 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1581
1582         * config/s390/s390.c (override_options): Adjust the z10
1583           defaults for max-unroll-times, max-completely-peeled-insns
1584           and max-completely-peel-times.
1585
1586 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1587
1588         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1589         instructions for z10.
1590         (s390_expand_setmem): Likewise.
1591         (s390_expand_cmpmem): Likewise.
1592
1593 2010-04-08  Richard Guenther  <rguenther@suse.de>
1594
1595         PR tree-optimization/43679
1596         * tree-ssa-pre.c (eliminate): Only propagate copies.
1597
1598 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1599
1600         PR bootstrap/43681
1601         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1602         set but not used variable warning.
1603
1604 2010-04-08  Wei Guozhi  <carrot@google.com>
1605
1606         PR target/41653
1607         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1608         (arm_size_rtx_costs): Call the new function when optimized for size.
1609
1610 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1611
1612         PR debug/43670
1613         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1614         op0 is not a MEM, just return NULL instead of assertion
1615         failure.
1616         (discover_nonconstant_array_refs): Don't walk debug stmts.
1617
1618 2010-04-08  Doug Kwan  <dougkwan@google.com>
1619
1620         * configure.ac: Recognize gold and do not use its version number
1621         to test ld features.
1622         * configure: Regenerate.
1623
1624 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1625
1626         PR middle-end/40815
1627         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1628         (negate_value): Move code to push elements to broken_up_substracts ...
1629         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1630         negative pair to plus_negates.
1631         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1632
1633 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1634
1635         * doc/install.texi (Configuration): Move description of
1636         --enable-lto, --with-libelf*, --enable-gold from Java section to
1637         general section.
1638
1639         * doc/generic.texi (Working with declarations)
1640         (Function Properties, C and C++ Trees): Fix typos.
1641         * doc/sourcebuild.texi (Top Level): Likewise.
1642
1643 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1644
1645         PR c/18624
1646         * tree.h (DECL_READ_P): Define.
1647         (struct tree_decl_common): Add decl_read_flag.
1648         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1649         a set but not used warning.
1650         (merge_decls): Merge DECL_READ_P flag.
1651         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1652         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1653         * c-common.c (handle_used_attribute, handle_unused_attribute):
1654         Likewise.
1655         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1656         New prototypes.
1657         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1658         New functions.
1659         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1660         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1661         c_parser_binary_expression, c_parser_cast_expression,
1662         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1663         Call default_function_array_read_conversion instead of
1664         default_function_array_conversion where needed.
1665         (c_parser_unary_expression, c_parser_conditional_expression,
1666         c_parser_postfix_expression_after_primary, c_parser_initelt):
1667         Likewise.  Call mark_exp_read where needed.
1668         (c_parser_statement_after_labels, c_parser_asm_operands,
1669         c_parser_typeof_specifier, c_parser_sizeof_expression,
1670         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1671         where needed.
1672         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1673         New.
1674         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1675         (warn_unused_but_set_parameter): Default to warn_unused
1676         && extra_warnings.
1677         * doc/invoke.texi: Document -Wunused-but-set-variable and
1678         -Wunused-but-set-parameter.
1679
1680         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1681         used count variable.
1682         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1683         when operandN variables aren't used in the body of the expander
1684         or splitter.
1685         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1686         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1687         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1688         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1689         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1690         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1691         * tree.c (PROCESS_ARG): Likewise.
1692
1693 2010-04-07  Simon Baldwin  <simonb@google.com>
1694
1695         * diagnostic.h (diagnostic_override_option_index): New macro to
1696         set a diagnostic's option_index.
1697         * c-tree.h (c_cpp_error): Add warning reason argument.
1698         * opts.c (_warning_as_error_callback): New.
1699         (register_warning_as_error_callback): Store callback for
1700         warnings enabled via enable_warning_as_error.
1701         (enable_warning_as_error): Call callback, minor code tidy.
1702         * opts.h (register_warning_as_error_callback): Declare.
1703         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1704         response to -Werror=.
1705         (c_common_init_options): Register warning_as_error_callback in opts.c.
1706         * common.opt: Add -Wno-cpp option.
1707         * c-common.c (struct reason_option_codes_t): Map cpp warning
1708         reason codes to gcc option indexes.
1709         * (c_option_controlling_cpp_error): New function, lookup the gcc
1710         option index for a cpp warning reason code.
1711         * (c_cpp_error): Add warning reason argument, call
1712         c_option_controlling_cpp_error for diagnostic_override_option_index.
1713         * doc/invoke.texi: Document -Wno-cpp.
1714
1715 2010-04-07  Richard Guenther  <rguenther@suse.de>
1716
1717         * ipa-reference.c (mark_load): Use get_base_address.
1718         (mark_store): Likewise.
1719
1720         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1721         inserting GIMPLE_NOPs into the IL.
1722         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1723         Explicitly strip handled components and indirect references.
1724
1725         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1726         folding address expressions.
1727         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1728         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1729         operand_equal_p to compare decls.
1730         (ptr_deref_may_alias_decl_p): Likewise.
1731         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1732         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1733         Handle reversed comparison ops.
1734         * tree-sra.c (asm_visit_addr): Use get_base_address.
1735         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1736         * ipa-reference.c (mark_address): Use get_base_address.
1737
1738 2010-04-07  Richard Guenther  <rguenther@suse.de>
1739
1740         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1741         Propagate constants everywhere.
1742
1743 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1744
1745         PR debug/43516
1746         * tree.c (MAX_INT_CACHED_PREC): Define.
1747         (nonstandard_integer_type_cache): New array.
1748         (build_nonstandard_integer_type): Cache results for precision
1749         <= MAX_INT_CACHED_PREC.
1750
1751 2010-04-07  Richard Guenther  <rguenther@suse.de>
1752
1753         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1754         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1755         * common.opt: Likewise.
1756         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1757         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1758         (nonoverlapping_memrefs_p): Likewise.
1759         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1760         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1761         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1762         OPT_fargument_noalias_global for backward compatibility.
1763
1764 2010-04-07  Richard Guenther  <rguenther@suse.de>
1765
1766         PR tree-optimization/43270
1767         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1768         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1769         * tree-ssa-pre.c (phi_translate_1): Adjust.
1770         (fully_constant_expression): Split out vn_reference handling to ...
1771         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1772         Fold reads from constant strings.
1773         (vn_reference_lookup): Handle fully constant references.
1774         (vn_reference_lookup_pieces): Likewise.
1775         * Makefile.in (expmed.o-warn): Add -Wno-error.
1776
1777 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1778
1779         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1780
1781 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1782
1783         PR driver/41594
1784         * gcc.c: Add -static-libstdc++ to list of recognized options.
1785
1786 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1787
1788         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1789
1790 2010-04-07  Richard Guenther  <rguenther@suse.de>
1791
1792         PR middle-end/42617
1793         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1794         bases build simple mem attributes to retain points-to information.
1795
1796 2010-04-07  Richard Guenther  <rguenther@suse.de>
1797
1798         PR middle-end/42617
1799         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1800         preserve points-to related information.
1801
1802 2010-04-07  Richard Guenther  <rguenther@suse.de>
1803
1804         PR middle-end/42617
1805         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1806         discard plain indirect references.
1807         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1808         * tree.c (tree_nop_conversion): Likewise.
1809
1810 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1811
1812         PR debug/43628
1813         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1814
1815 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1816
1817         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1818         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1819
1820 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1821
1822         * tree-if-conv.c: Fix indentation and comments.
1823
1824 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1825
1826         * tree-if-conv.c: Sort static functions in topological order.
1827
1828 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1829
1830         * tree-if-conv.c: Fix indentation and comments.
1831
1832 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1833
1834         PR middle-end/43519
1835         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1836         lang_hooks.types.type_for_size instead of
1837         build_nonstandard_integer_type.
1838         When converting an unsigned type to signed, double its precision.
1839         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1840         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1841         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1842         use lb <= ub.
1843
1844 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1845
1846         PR middle-end/43519
1847         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1848         POINTER_PLUS_EXPR for pointer types.
1849
1850 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1851
1852         PR middle-end/43519
1853         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1854         * graphite-clast-to-gimple.c: Include langhooks.h.
1855         (max_signed_precision_type): New.
1856         (max_precision_type): Takes two types as arguments.
1857         (precision_for_value): New.
1858         (precision_for_interval): New.
1859         (gcc_type_for_interval): New.
1860         (gcc_type_for_value): New.
1861         (gcc_type_for_clast_term): New.
1862         (gcc_type_for_clast_red): New.
1863         (gcc_type_for_clast_bin): New.
1864         (gcc_type_for_clast_expr): Split up into several functions.
1865         (gcc_type_for_clast_eq): Rewritten.
1866         (compute_bounds_for_level): New.
1867         (compute_type_for_level_1): New.
1868         (compute_type_for_level): New.
1869         (gcc_type_for_cloog_iv): Removed.
1870         (gcc_type_for_iv_of_clast_loop): Rewritten.
1871         (graphite_create_new_loop): Compute the lower and upper bound types
1872         with gcc_type_for_clast_expr.
1873         (graphite_create_new_loop_guard): Same.
1874         (find_cloog_iv_in_expr): Removed.
1875         (compute_cloog_iv_types_1): Removed.
1876         (compute_cloog_iv_types): Removed.
1877         (gloog): Do not call compute_cloog_iv_types.
1878         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1879         GBB_CLOOG_IV_TYPES.
1880         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1881         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1882         (GBB_CLOOG_IV_TYPES): Removed.
1883
1884 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1885
1886         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1887         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1888         (detect_commutative_reduction): Same.
1889
1890 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1893         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1894         argument.
1895         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1896         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1897         (rewrite_commutative_reductions_out_of_ssa): Same.
1898         * passes.c (execute_function_todo): Call verify_ssa for every pass
1899         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1900         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1901         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1902         with an extra argument.
1903         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1904         verify_ssa only when the extra argument is true.
1905         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1906         with an extra argument.
1907         (tree_transform_and_unroll_loop): Same.
1908
1909 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1910
1911         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1912         for all the passes of the LNO having LOOP_CLOSED_SSA.
1913         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1914         * tree-loop-distribution.c (pass_loop_distribution): Same.
1915         * tree-pass.h (TODO_verify_loops): Removed.
1916         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1917         (pass_lim): Same.
1918         (pass_tree_unswitch): Same.
1919         (pass_predcom): Same.
1920         (pass_vectorize): Same.
1921         (pass_linear_transform): Same.
1922         (pass_graphite_transforms): Same.
1923         (pass_iv_canon): Same.
1924         (pass_complete_unroll): Same.
1925         (pass_complete_unrolli): Same.
1926         (pass_parallelize_loops): Same.
1927         (pass_loop_prefetch): Same.
1928         (pass_iv_optimize): Same.
1929
1930 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1931
1932         PR middle-end/32824
1933         * passes.c (init_optimization_passes): Move pass_lim before
1934         pass_copy_prop and pass_dce_loop.
1935
1936 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1937
1938         PR target/43667
1939         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1940         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1941         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1942         MULTI_* defines for 4 argument vpermil2p* builtins.
1943
1944 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1945
1946         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1947         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1948         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1949         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1950         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1951         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1952         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1953         Use x86_maybe_negate_const_int to output insn mnemonic.
1954         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1955         check from instruction predicate.  Update comments.
1956         * config/i386/sync.md (sync_add<mode>): Use
1957         x86_maybe_negate_const_int to output insn mnemonic.
1958
1959 2010-04-06  Jan Hubicka  <jh@suse.cz>
1960
1961         PR tree-optimization/42906
1962         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1963         IGNORE_SELF argument.  Set visited_control_parents for fully
1964         processed BBs.
1965         (find_obviously_necessary_stmts): Update call of
1966         mark_control_dependent_edges_necessary.
1967         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
1968
1969 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1970
1971         * config/i386/i386.md: Remove comment about 'e' and 'E'
1972         operand modifier.
1973
1974 2010-04-06  Richard Guenther  <rguenther@suse.de>
1975
1976         PR tree-optimization/43627
1977         * tree-vrp.c (extract_range_from_unary_expr): Widenings
1978         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1979         not varying.
1980
1981 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1982
1983         * BASE-VER: Change to 4.6.0.
1984
1985         PR target/43638
1986         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1987         handling.
1988
1989 2010-04-06  Richard Guenther  <rguenther@suse.de>
1990
1991         PR middle-end/43661
1992         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1993
1994 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1995
1996         * doc/invoke.texi (Optimize Options): Document that LTO
1997         won't remove object access purely due to incompatible
1998         declarations.
1999
2000 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2001
2002         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2003         Initialize variable.
2004
2005 2010-04-03  Richard Guenther  <rguenther@suse.de>
2006
2007         PR middle-end/42509
2008         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2009         require a non-NULL MEM_OFFSET.
2010
2011 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2012
2013         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2014         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2015         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2016         config/alpha/predicates.md, config/arm/arm.md,
2017         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2018         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2019         config/darwin9.h, config/darwin.c, config/darwin.h,
2020         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2021         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2022         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2023         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2024         config/mips/mips.md, config/mn10300/mn10300.c,
2025         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2026         config/rs6000/aix.h, config/rs6000/dfp.md,
2027         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2028         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2029         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2030         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2031         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2032         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2033         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2034         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2035         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2036         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2037         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2038         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2039         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2040         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2041         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2042         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2043         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2044         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2045         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2046         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2047         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2048         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2049         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2050         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2051         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2052         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2053         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2054         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2055         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2056         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2057         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2058         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2059         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2060         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2061         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2062         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2063
2064 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2065
2066         PR other/43620
2067         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2068         * aclocal.m4: Regenerate.
2069
2070 2010-04-02  Richard Guenther  <rguenther@suse.de>
2071
2072         PR tree-optimization/43629
2073         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2074         if we have seen a constant value.
2075
2076 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2077
2078         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2079
2080 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2081
2082         PR target/43469
2083         * arm.c (legitimize_tls_address): Adjust call to
2084         gen_tls_load_dot_plus_four.
2085         (arm_note_pic_base): New function.
2086         (arm_cannot_copy_insn_p): Use it.
2087         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2088         constraint.
2089
2090 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2091
2092         PR bootstrap/43531
2093
2094         Revert:
2095         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2096
2097         * Makefile.in ($(out_object_file)): Depend on
2098         gt-$(basename $(notdir $(out_file))).h.
2099
2100 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2101
2102         * config.gcc (lm32-*-rtems*): Add t-lm32.
2103
2104 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2105
2106         * config.gcc: Add lm32-*-rtems*.
2107         * config/lm32/rtems.h: New file.
2108
2109 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2110
2111         PR target/42609
2112         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2113
2114 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2115
2116         * dwarf2out.c (output_compilation_unit_header): For
2117         -gdwarf-4 use version 4 instead of version 3.
2118         (output_line_info): For version 4 and above emit additional
2119         maximum ops per insn header field.
2120         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2121
2122         * dwarf2out.c (is_c_family, is_java): Remove.
2123         (lower_bound_default): New function.
2124         (add_bound_info, gen_descr_array_type_die): Use it.
2125
2126 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2127
2128         PR debug/43325
2129         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2130         re-declaration when it happens in a function.
2131
2132 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2133
2134         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2135         (cgraph_remove_function_insertion_hook): Same.
2136         (cgraph_call_function_insertion_hooks): Same.
2137
2138 2010-04-01  Richard Guenther  <rguenther@suse.de>
2139
2140         PR middle-end/43614
2141         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2142         and TREE_THIS_VOLATILE.
2143         (copy_ref_info): Likewise.
2144         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2145         * tree.c (build6_stat): Ignore side-effects of all but arg5
2146         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2147         TARGET_MEM_REF.
2148
2149 2010-04-01  Richard Guenther  <rguenther@suse.de>
2150
2151         PR tree-optimization/43607
2152         * ipa-type-escape.c (check_call): Do not access non-existing
2153         arguments.
2154
2155 2010-04-01  Richard Guenther  <rguenther@suse.de>
2156
2157         PR middle-end/43602
2158         Revert
2159         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2160                     Jack Howarth <howarth@bromo.med.uc.edu>
2161
2162         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2163         variables TLS.
2164
2165 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2166
2167         * doc/install.texi (Prerequisites): Document libelf usability on
2168         IRIX 5/6 and Solaris 2.
2169         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2170         Update GNU as, GNU ld requirements.
2171         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2172         Document Sun Studio compiler download.
2173         Update and simplify as, ld recommendations.
2174         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2175
2176 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2177
2178         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2179         with_tune_32 to pentium4.
2180
2181 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2182
2183         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2184
2185 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2186
2187         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2188         obsoletion, removal.
2189         Update IDO URL.
2190         Document GNU as requirement.
2191         Update configure requirements.
2192         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2193         Recomment IRIX 6.5.18+.
2194         Document IDF/IDL requirement.
2195         Document GNU as requirement.
2196         Document GNU ld bootstrap failure.
2197         Remove freeware.sgi.com reference.
2198
2199 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2200
2201         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2202         UNIX V4.0, V5.0 obsoletion, removal.
2203         Remove --with-gc=simple reference.
2204         Update VM requirements during bootstrap.
2205         Remove -oldas bootstrap description.
2206         Update binutils reference.
2207         Remove comparison failure note.
2208
2209 2010-03-31  Richard Guenther  <rguenther@suse.de>
2210             Zdenek Dvorak  <ook@ucw.cz>
2211             Sebastian Pop  <sebastian.pop@amd.com>
2212
2213         PR middle-end/43464
2214         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2215         with multiple arguments.
2216         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2217
2218 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2219
2220         * graphite-dependences.c (print_pddr): Call print_pdr with an
2221         extra argument.
2222         * graphite-poly.c (debug_pdr): Add an extra argument for the
2223         verbosity level.
2224         (print_pdr): Same.
2225         (print_pbb_domain): Same.
2226         (print_pbb): Same.
2227         (print_scop_context): Same.
2228         (print_scop): Same.
2229         (print_cloog): Same.
2230         (debug_pbb_domain): Same.
2231         (debug_pbb): Same.
2232         (print_pdrs): Same.
2233         (debug_pdrs): Same.
2234         (debug_scop_context): Same.
2235         (debug_scop): Same.
2236         (debug_cloog): Same.
2237         (print_scop_params): Same.
2238         (debug_scop_params): Same.
2239         (print_iteration_domain): Same.
2240         (print_iteration_domains): Same.
2241         (debug_iteration_domain): Same.
2242         (debug_iteration_domains): Same.
2243         (print_scattering_function): Same.
2244         (print_scattering_functions): Same.
2245         (debug_scattering_function): Same.
2246         (debug_scattering_functions): Same.
2247         * graphite-poly.h (debug_pdr): Update declaration.
2248         (print_pdr): Same.
2249         (print_pbb_domain): Same.
2250         (print_pbb): Same.
2251         (print_scop_context): Same.
2252         (print_scop): Same.
2253         (print_cloog): Same.
2254         (debug_pbb_domain): Same.
2255         (debug_pbb): Same.
2256         (print_pdrs): Same.
2257         (debug_pdrs): Same.
2258         (debug_scop_context): Same.
2259         (debug_scop): Same.
2260         (debug_cloog): Same.
2261         (print_scop_params): Same.
2262         (debug_scop_params): Same.
2263         (print_iteration_domain): Same.
2264         (print_iteration_domains): Same.
2265         (debug_iteration_domain): Same.
2266         (debug_iteration_domains): Same.
2267         (print_scattering_function): Same.
2268         (print_scattering_functions): Same.
2269         (debug_scattering_function): Same.
2270         (debug_scattering_functions): Same.
2271
2272 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274         * graphite-poly.c (print_scattering_function_1): New.
2275         (print_scattering_function): Call it.
2276         (print_scop_params): Remove spaces at the end of lines.
2277         (print_cloog): New.
2278         (debug_cloog): New.
2279         * graphite-poly.h (print_cloog): Declared.
2280         (debug_cloog): Declared.
2281
2282 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2283
2284         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2285         in loop->header.
2286         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2287         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2288         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2289         to switch between adding the IV bump in loop->latch or in loop->header.
2290
2291 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2292
2293         * graphite-poly.c (print_scattering_function): Pretty print following
2294         the scoplib format.
2295         (print_pdr): Same.
2296         (print_pbb_domain): Same.
2297         (dump_gbb_cases): Same.
2298         (dump_gbb_conditions): Same.
2299         (print_pdrs): Same.
2300         (print_pbb): Same.
2301         (print_scop_params): Same.
2302         (print_scop_context): Same.
2303         (print_scop): Same.
2304         (print_pbb_body): New.
2305         (lst_indent_to): New.
2306         (print_lst): Start new lines with a #.
2307         * graphite-poly.h (pbb_bb): New.
2308         (pbb_index): Use pbb_bb.
2309         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2310         disjuncts.
2311         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2312
2313 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2314
2315         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2316         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2317         and 0 instead of 1 for dw_val_class_flag.
2318         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2319         dw_val_class_range_list, dw_val_class_loc_list,
2320         dw_val_class_lineptr and dw_val_class_macptr, use
2321         DW_FORM_flag_present for dw_val_class_flag and
2322         DW_FORM_exprloc for dw_val_class_loc.
2323         (output_die): For -gdwarf-4 print dw_val_class_loc
2324         size as uleb128 instead of 1 or 2 bytes and don't print
2325         anything for dw_val_class_flag.
2326
2327         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2328         instead of cselib_lookup following by tweaking locs->setting_insn.
2329
2330         PR bootstrap/43596
2331         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2332         even before returning from label, setjmp call or volatile asm
2333         handling.
2334
2335 2010-03-31  Richard Guenther  <rguenther@suse.de>
2336
2337         PR middle-end/43600
2338         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2339         temporary data on stack.
2340
2341 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2342
2343         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2344         (PUSHSECTION_ASM_OP): Remove.
2345         (POPSECTION_ASM_OP): Remove.
2346         (PUSHSECTION_FORMAT): Remove.
2347         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2348         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2349         * config/sol2.c (solaris_output_init_fini): Use it.
2350
2351 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2352
2353         PR 43574
2354         * opt-functions.awk (var_type_struct): Use signed char type
2355         for simple variables.
2356
2357 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2358
2359         * config/sol2.c: Include output.h.
2360         (solaris_assemble_visibility): New function.
2361         * config/t-sol2 (sol2.o): Add output.h dependency.
2362         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2363         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2364         Redefine.
2365
2366 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2367
2368         PR target/43580
2369         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2370         V2SImode or XFmode on PRE_DEC.
2371
2372         PR debug/43557
2373         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2374         BLKmode.
2375
2376 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2377
2378         PR 43562
2379         * reload.h (caller_save_initialized_p): Declare.
2380         * toplev.c (backend_init_target): Don't call
2381         init_caller_save but set caller_save_initialized_p to false.
2382         * caller-save.c (caller_save_initialized_p): Define.
2383         (init_caller_save): Check caller_save_initialized_p.
2384         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2385
2386 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2387
2388         PR target/39048
2389         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2390         and soft-fp/t-softfp to tmake_file.
2391         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2392         (LIBGCC2_TF_CEXT): Define.
2393         (TF_SIZE): Define.
2394
2395 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2396
2397         PR debug/42977
2398         * cselib.c (n_useless_values): Document handling of debug locs.
2399         (n_useless_debug_values, n_debug_values): New variables.
2400         (new_elt_loc_list): Don't add to debug values, keep count.
2401         (promote_debug_loc): New.
2402         (cselib_reset_table): Zero new variables.
2403         (entry_and_rtx_equal_p): Promote debug locs.
2404         (discard_useless_locs): Increment n_useless_debug_values for
2405         debug values.
2406         (remove_useless_values): Adjust n_useless_values and n_debug_values
2407         with n_useless_debug_values.
2408         (add_mem_for_addr): Promote debug locs.
2409         (cselib_lookup_mem): Likewise.
2410         (cselib_lookup_addr): Renamed to...
2411         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2412         (cselib_log_lookup): ... this.  Turn into...
2413         (cselib_lookup_addr): ... new wrapper.
2414         (cselib_lookup_from_insn): New.
2415         (cselib_invalidate_regno): Increment n_useless_debug_values for
2416         debug values.
2417         (cselib_invalidate_mem): Likewise.
2418         (cselib_process_insn): Take n_deleted and n_debug_values into
2419         account to guard remove_useless_value call.
2420         (cselib_finish): Zero n_useless_debug_values.
2421         * cselib.h (cselib_lookup_from_insn): Declare.
2422         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2423         (sched_analyze_2): Likewise.
2424
2425 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2426
2427         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2428         functions.
2429         (adjust_mems): Replace narrowing SUBREG of expression containing
2430         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2431         with operations in the narrower mode.
2432
2433         PR debug/43593
2434         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2435         regs_invalidated_by_call instead all call_used_reg_set registers.
2436
2437 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2438
2439         PR middle-end/43430
2440         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2441         pointer comparisons with types_compatible_p.
2442         * tree-vect-stmts.c (vectorizable_call): Same.
2443         (vectorizable_condition): Same.
2444
2445 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2446
2447         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2448         stack check if the mask would be zero.
2449
2450 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2451             Jack Howarth <howarth@bromo.med.uc.edu>
2452
2453         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2454         variables TLS.
2455
2456 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2457
2458         PR other/25232
2459         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2460         and __unordtf2.
2461         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2462         Include ___unordxf2 and ___unordtf2.
2463         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2464         GCC_4.4.0 here.
2465
2466 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2467
2468         * config/lm32/t-lm32: New file.
2469         * config.gcc: Use the above file when targetting lm32.
2470
2471 2010-03-28  Duncan Sands  <baldrick@free.fr>
2472
2473         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2474
2475 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2476
2477         PR middle-end/43431
2478         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2479         Improve vectorization cost model diagnostic.
2480
2481 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2482
2483         PR middle-end/43436
2484         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2485         compute_data_dependences_for_loop returns false, early exit
2486         and output an extra diagnostic for the failed data reference
2487         analysis.
2488
2489 2010-03-29  Richard Guenther  <rguenther@suse.de>
2490
2491         PR tree-optimization/43560
2492         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2493         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2494
2495 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2496
2497         PR 43564
2498         * toplev.c (process_options): Set optimization_default_node
2499         and optimization_current_node.
2500         * opts.c (decode_options): Don't set optimization_default_node
2501         and optimization_current_node.
2502
2503 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2504
2505         * config/rtems.h: Abandon -qrtems_debug.
2506
2507 2010-03-28  Jan Hubicka  <jh@suse.cz>
2508
2509         PR tree-optimization/43505
2510         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2511         map should not be copied.
2512
2513 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2514
2515         PR middle-end/41674
2516         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2517         cdtors, set DECL_PRESERVE_P.
2518         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2519         should be preseved.
2520
2521 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2522
2523         PR tree-optimization/43528
2524         * stor-layout.c (place_field): Check that constant fits into
2525         unsigned HWI when skipping calculation of MS bitfield layout.
2526
2527 2010-03-27  Jan Hubicka  <jh@suse.cz>
2528
2529         PR middle-end/43391
2530         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2531         notice_global_symbol work.
2532
2533 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2534
2535         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2536         instead of dwarf2out_decl.
2537         (struct var_loc_node): Remove section_label field.
2538         (dwarf2out_function_decl): New function.
2539         (dwarf2out_var_location): Don't set section_label field.
2540         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2541
2542 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2543
2544         PR tree-optimization/43544
2545         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2546         First argument for builtin vectorized function hook is now a
2547         tree to be able to distinguish between machine specific and
2548         standard builtins.
2549         * targhooks.c (default_builtin_vectorized_function): Ditto.
2550         * targhooks.h (default_builtin_vectorized_function): Ditto.
2551         * target.h (struct gcc_target): Ditto.
2552         * tree-vect-stmts.c (vectorizable_function): Ditto.
2553         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2554         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2555         Ditto.
2556
2557 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2558
2559         PR c/43381
2560         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2561         nested binding iff it is a FUNCTION_DECL.
2562         (store_parm_decls_newstyle): Pass nested=true to bind for
2563         FUNCTION_DECLs amongst parameters.
2564
2565 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2566
2567         * var-tracking.c (vt_expand_loc_callback): Don't run
2568         cselib_expand_value_rtx_cb in dummy mode if
2569         cselib_dummy_expand_value_rtx_cb returned false.
2570
2571         * var-tracking.c (emit_note_insn_var_location): For one part
2572         notes with offset 0, don't add EXPR_LIST around the location.
2573         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2574         add_location_or_const_value_attribute): Adjust for that change.
2575
2576         PR debug/43540
2577         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2578         into first operand and location into second.
2579         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2580         dw_cfi_oprnd_loc for DW_CFA_expression.
2581         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2582         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2583         assume first argument is regnum and second argument is location.
2584
2585 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2586
2587         PR target/42113
2588         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2589         of scratch register to DImode.  Split to DImode comparison operator.
2590         Use SImode subreg of scratch register in the multiplication.
2591         (*cmp_sadd_sidi): Ditto.
2592         (*cmp_ssub_si): Ditto.
2593         (*cmp_ssub_sidi): Ditto.
2594
2595 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2596
2597         PR target/43524
2598         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2599         Remove invalid assert and wrong comment.
2600
2601 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2602
2603         PR debug/43516
2604         * flags.h (final_insns_dump_p): New extern.
2605         * final.c (final_insns_dump_p): New variable.
2606         (rest_of_clean_state): Set it before -fdump-final-insns=
2607         dumping, clear afterwards.
2608         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2609         MEM_ALIAS_SET on MEMs.
2610
2611 2010-03-26  David S. Miller  <davem@davemloft.net>
2612
2613         * configure.ac: Fix sparc GOTDATA_OP bug check.
2614         * configure: Rebuild.
2615
2616 2010-03-26  Alan Modra  <amodra@gmail.com>
2617
2618         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2619
2620 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2621
2622         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2623         TLS_SECTION_ASM_FLAG.
2624
2625 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2626
2627         PR bootstrap/43511
2628         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2629         Clear first_function_block_is_cold.
2630
2631         PR c/43385
2632         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2633         argument if the argument is truth_value_p.
2634
2635 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2636
2637         * config/rs6000/constraints.md: Update copyright year for my changes.
2638
2639         PR target/43484
2640         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2641         used in reg+reg addressing, swap registers.
2642
2643 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2644
2645         PR debug/43293
2646         * target.h (struct gcc_target): Add code_end hook.
2647         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2648         if not yet defined.
2649         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2650         * toplev.c (compile_file): Call targetm.asm_out.code_end
2651         hook before unwind info/debug info output.
2652         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2653         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2654         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2655         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2656         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2657         * config/i386/i386.c (ix86_file_end): Renamed to...
2658         (ix86_code_end): ... this.  Make static.  Don't call
2659         file_end_indicate_exec_stack.  Emit unwind info using
2660         final_start_function/final_end_function.
2661         (darwin_x86_file_end): Remove.
2662         (TARGET_ASM_CODE_END): Define.
2663         * config/i386/i386.h (TARGET_ASM_FILE_END,
2664         NEED_INDICATE_EXEC_STACK): Don't define.
2665         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2666         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2667         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2668         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2669
2670         PR target/43498
2671         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2672         at the beginning and final_end_function at the end.
2673         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2674
2675 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2676
2677         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2678         and Sun as TLS syntax.
2679         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2680         * configure: Regenerate.
2681         * config.in: Regenerate.
2682         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2683         (default_elf_asm_named_section): Use it.
2684         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2685         (i386_output_dwarf_dtprel): Likewise.
2686         (output_addr_const_extra): Likewise.
2687         (output_pic_addr_const): Lowercase @GOTTPOFF.
2688         (output_addr_const_extra): Likewise.
2689         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2690         (output_addr_const_extra): Likewise.
2691         (output_pic_addr_const): Lowercase @INDNTPOFF.
2692         (output_addr_const_extra): Likewise.
2693         (output_pic_addr_const): Lowercase @NTPOFF.
2694         (output_addr_const_extra): Likewise.
2695         (output_pic_addr_const): Lowercase @TPOFF.
2696         (output_addr_const_extra): Likewise.
2697         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2698         (*tls_global_dynamic_64): Likewise.
2699         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2700         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2701
2702         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2703         (ASM_OUTPUT_TLS_COMMON): Use it.
2704         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2705
2706         PR target/38118
2707         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2708         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2709         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2710         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2711         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2712         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2713
2714 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2715
2716         * config/i386/i386.c (override_options): Don't accept
2717         -mtls-dialect=sun any longer.
2718         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2719         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2720         (*tls_local_dynamic_base_32_sun): Likewise.
2721         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2722
2723 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2724
2725         PR debug/43508
2726         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2727         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2728
2729         PR debug/43479
2730         * ira.c (adjust_cleared_regs): New function.
2731         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2732
2733         PR debug/19192
2734         PR debug/43479
2735         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2736         from gimple_block.
2737         * expr.c (expand_expr_real): Restore previous
2738         curr_insn_source_location and curr_insn_block after
2739         expand_expr_real_1 call.
2740         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2741         instead of expand_expr_real_1.
2742
2743 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2744
2745         PR rtl-optimization/43413
2746         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2747         hard regs too.
2748
2749 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2750
2751         PR target/43348
2752         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2753         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2754
2755 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2756
2757         * config/i386/i386.c (ix86_target_string): Add -mfma.
2758         Fix a typo in comment.
2759
2760 2010-03-22  Mike Stump  <mikestump@comcast.net>
2761
2762         PR target/23071
2763         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2764         Don't overly align based upon packed packed fields.
2765
2766 2010-03-22  Jason Merrill  <jason@redhat.com>
2767
2768         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2769         Use () rather than [], and move before the element type.
2770
2771 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2772
2773         * doc/configfiles.texi (Configuration Files): Removed
2774         fixinc/Makefile*, intl/Makefile.*.
2775         * doc/makefile.texi: Fixed markup. Abstract from version
2776         control system used.
2777         (Makefile): Removed obsolete gcc/java/parse.y example.
2778         * doc/sourcebuild.texi: Likewise.
2779         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2780         libgomp, libssp.  Removed fastjar.
2781         (Miscellaneous Docs): Clarify location.
2782         Added COPYING3, COPYING3.LIB.
2783         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2784
2785 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2786
2787         PR target/38085
2788         * config/i386/i386.c (x86_function_profiler)
2789         [!NO_PROFILE_COUNTERS]: Fix typo.
2790         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2791         instead of callq.
2792
2793 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2794             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2795
2796         * doc/sourcebuild.texi (Test Directives): Split into six
2797         subsections, with most of the current text in new subsections
2798         Directives, Selectors, and Final Actions.
2799         (Directives): Split list of test directives into multiple
2800         subsubsections.
2801         (Selectors): Describe use and syntax of selectors.
2802         (Effective-Target Keywords): Describe all existing keywords.
2803         (Add Options): Describe features for dg-add-options.
2804         (Require Support): Describe variants of dg-require-support.
2805         (Final Actions): Describe commands to use in dg-final.
2806
2807 2010-03-22  Michael Matz  <matz@suse.de>
2808
2809         PR middle-end/43475
2810         * recog.c (validate_replace_rtx_group): Replace also in
2811         REG_EQUAL and REG_EQUIV notes.
2812
2813 2010-03-22  Richard Guenther  <rguenther@suse.de>
2814
2815         PR tree-optimization/43390
2816         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2817         sure vector extracts are type correct.
2818
2819 2010-03-22  Richard Guenther  <rguenther@suse.de>
2820
2821         PR middle-end/40106
2822         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2823         x * sqrt (x) even when optimizing for size if the target
2824         has native support for sqrt.
2825
2826 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2827
2828         * varasm.c (make_decl_rtl_for_debug): Also clear
2829         flag_mudflap for the duration of make_decl_rtl call.
2830
2831         PR debug/43443
2832         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2833         locs from preserved VALUEs.
2834
2835 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2836
2837         PR middle-end/42718
2838         * pa.md (movmemsi): Set align to one if zero.
2839         (movmemdi): Likewise.
2840
2841 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2842
2843         PR target/42321
2844         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2845         with their corresponding prologue pushes.
2846
2847 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2848
2849         PR target/43156
2850         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2851         at the begining or end.
2852         (spu_expand_epilogue): Likewise.
2853
2854 2010-03-20  Richard Guenther  <rguenther@suse.de>
2855
2856         PR rtl-optimization/43438
2857         * combine.c (make_extraction): Properly zero-/sign-extend an
2858         extraction of the low part of a CONST_INT.  Also handle
2859         CONST_DOUBLE.
2860
2861 2010-03-19  Mike Stump  <mikestump@comcast.net>
2862
2863         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2864         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2865         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2866
2867 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2868
2869         PR c/43211
2870         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2871         an error.
2872
2873 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2874
2875         PR rtl-optimization/42258
2876         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2877         use that may match DEF.
2878
2879         PR target/40697
2880         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2881         the cost of loading the constant rather than assuming
2882         COSTS_N_INSNS (1).
2883         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2884         outer code is AND, do the same tests as the andsi3 expander and
2885         return COSTS_N_INSNS (1) if and is cheap.
2886
2887         * optabs.c (avoid_expensive_constant): Fix formatting.
2888
2889 2010-03-19  Michael Matz  <matz@suse.de>
2890
2891         PR c++/43116
2892         * attribs.c (decl_attributes): When rebuilding a function pointer
2893         type use the same qualifiers as the original pointer type.
2894
2895 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2896
2897         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2898         and is_gimple_ip_invariant_address.
2899
2900 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2901
2902         Revert
2903         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2904
2905         * config/arm/arm.c (arm_override_options): Turn off
2906         flag_dwarf2_cfi_asm for AAPCS variants.
2907
2908 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2909
2910         PR target/43399
2911         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2912         Use PRE_MODIFY instead of PRE_DEC.
2913         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2914         (vfp_emit_fstmd): Likewise.
2915
2916 2010-03-19  Michael Matz  <matz@suse.de>
2917
2918         PR target/43305
2919         * builtins.c (expand_builtin_interclass_mathfn,
2920         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2921         if that fails.
2922
2923 2010-03-19  Richard Guenther  <rguenther@suse.de>
2924
2925         PR tree-optimization/43415
2926         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2927         (phi_translate_1): ... this.
2928         (phi_translate): Move all caching here.  Cache all NARY
2929         and REFERENCE translations.
2930
2931 2010-03-19  David S. Miller  <davem@davemloft.net>
2932
2933         With help from Eric Botcazou.
2934         * config/sparc/sparc.c: Include dwarf2out.h.
2935         (emit_pic_helper): Delete.
2936         (pic_helper_symbol_name): Delete.
2937         (pic_helper_emitted_p): Delete.
2938         (pic_helper_needed): New.
2939         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2940         (get_pc_thunk_name): New.
2941         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2942         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2943         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2944         (sparc_expand_prologue): Update load_pic_register call.
2945         (sparc_output_mi_thunk): Likewise.
2946         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2947         thunk if possible.  Output CFI information as needed.
2948
2949 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2950             Jack Howarth <howarth@bromo.med.uc.edu>
2951
2952         PR target/36399
2953         * config/i386/i386.h: Fix ABI on darwin x86-32.
2954
2955 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2956
2957         * tree.h: Declare make_decl_rtl_for_debug.
2958         * varasm.c (make_decl_rtl_for_debug): New.
2959         * dwarf2out.c (rtl_for_decl_location): Call it.
2960         * cfgexpand.c (expand_debug_expr): Call it.
2961
2962 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2963
2964         PR bootstrap/43399
2965         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2966         mem_mode.
2967
2968         PR bootstrap/43403
2969         * var-tracking.c (vt_init_cfa_base): Do nothing if
2970         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2971
2972 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
2973
2974         PR debug/42873
2975         * var-tracking.c (canonicalize_vars_star): New.
2976         (dataflow_post_merge_adjust): Use it.
2977
2978 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2979
2980         PR debug/43058
2981         * var-tracking.c (non_suitable_const): New function.
2982         (add_uses): For DEBUG_INSNs with constants, don't record any
2983         value, instead just the constant value itself.
2984         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2985         is not VAR_LOC_UNKNOWN_P, set var to the constant.
2986         (emit_notes_in_bb): Likewise.
2987         (emit_note_insn_var_location): For onepart variables if
2988         cur_loc is a VOIDmode constant, use DECL_MODE.
2989
2990 2010-03-18  Martin Jambor  <mjambor@suse.cz>
2991
2992         PR middle-end/42450
2993         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2994         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2995         all non-clones.  Moved call redirection...
2996         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2997         (cgraph_materialize_all_clones): Dispose of all
2998         combined_args_to_skip bitmaps.
2999         (verify_cgraph_node): Do not check for edges pointing to wrong
3000         nodes in inline clones.
3001         * tree-inline.c (copy_bb): Call
3002         cgraph_redirect_edge_call_stmt_to_callee.
3003         * ipa.c (cgraph_remove_unreachable_nodes): Call
3004         cgraph_node_remove_callees even when there are used clones.
3005
3006 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3007
3008         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3009
3010 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3011
3012         PR target/43383
3013         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3014         for 32bit.
3015
3016 2010-03-18  Michael Matz  <matz@suse.de>
3017
3018         PR middle-end/43419
3019         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3020         into sqrt(x) if we need to preserve signed zeros.
3021
3022 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3023             Eric Botcazou  <ebotcazou@adacore.com>
3024
3025         PR rtl-optimization/43360
3026         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3027         note if we don't know its invariant status.
3028
3029 2010-03-18  Michael Matz  <matz@suse.de>
3030
3031         PR tree-optimization/43402
3032         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3033         PHI chains of ssa names registered for update.
3034
3035 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3036
3037         PR target/42427
3038         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3039         non-offsettable and pre_modify update addressing.
3040         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3041         and "2" alternatives "#".
3042         (*movdd_softfloat32): Make all alternatives "#";
3043         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3044         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3045         (*movdf_softfloat32): Make all alternatives "#";
3046         (movdi): Use the new DIFD mode iterator to create a common splitter
3047         for movdi, movdf and movdd patterns.
3048
3049 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3050
3051         * common.opt (dumpdir): Remove redundant tab.
3052
3053 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3054
3055         PR tree-optimization/43347
3056         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3057         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3058
3059 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3060
3061         PR rtl-optimization/42216
3062         * regrename.c (create_new_chain): New function, broken out from...
3063         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3064         appending a use to an empty chain.
3065         (build_def_use): Remove previous changes that convert OP_INOUT to
3066         OP_OUT operands; instead detect the case where an OP_INOUT operand
3067         uses a previously untracked register and create an empty chain for it.
3068
3069 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3070
3071         * doc/extend.texi (Function Attributes): Rewrite unfinished
3072         sentence in ms_abi documentation.
3073
3074 2010-03-17  Alan Modra  <amodra@gmail.com>
3075
3076         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3077         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3078         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3079         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3080
3081 2010-03-16  Richard Henderson  <rth@redhat.com>
3082
3083         PR middle-end/43365
3084         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3085         (lower_try_finally): Save and restore eh_seq around the expansion
3086         of the try-finally.
3087
3088 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3089
3090         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3091         statements before splitting block.
3092
3093 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3094
3095         * doc/sourcebuild.texi (Testsuites): Fix markup.
3096         Use pathnames relative to gcc/testsuite.
3097         (Test Directives): Move description of how timeout is determined.
3098         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3099         (C Tests): Correct gcc.misc-tests directory.
3100         Framework tests now live in gcc.test-framework.
3101
3102 2010-03-16  Richard Guenther  <rguenther@suse.de>
3103
3104         PR middle-end/43379
3105         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3106         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3107
3108 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3109             Alexandre Oliva  <aoliva@redhat.com>
3110
3111         PR tree-optimization/42917
3112         * lambda-code.c (remove_iv): Skip debug statements.
3113         (lambda_loopnest_to_gcc_loopnest): Likewise.
3114         (not_interesting_stmt): Debug statements are not interesting.
3115
3116 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3117
3118         PR debug/43051
3119         PR debug/43092
3120         * cselib.c (cselib_preserve_constants,
3121         cfa_base_preserved_val): New static variables.
3122         (preserve_only_constants): New function.
3123         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3124         clear its REG_VALUES.  If cselib_preserve_constants, don't
3125         empty the whole hash table, but preserve there VALUEs with constants,
3126         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3127         (cselib_preserve_cfa_base_value): New function.
3128         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3129         (cselib_init): Change argument to int bitfield.  Set
3130         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3131         is in it.
3132         (cselib_finish): Clear cselib_preserve_constants and
3133         cfa_base_preserved_val.
3134         * cselib.h (enum cselib_record_what): New enum.
3135         (cselib_init): Change argument to int.
3136         (cselib_preserve_cfa_base_value): New prototype.
3137         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3138         * dse.c (dse_step1): Likewise.
3139         * cfgcleanup.c (thread_jump): Likewise.
3140         * sched-deps.c (sched_analyze): Likewise.
3141         * gcse.c (local_cprop_pass): Likewise.
3142         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3143         If FN is non-NULL, call the callback always and whenever it returns
3144         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3145         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3146         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3147         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3148         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3149         * var-tracking.c: Include recog.h.
3150         (bb_stack_adjust_offset): Remove.
3151         (vt_stack_adjustments): Don't call it, instead just gather the
3152         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3153         (adjust_stack_reference): Remove.
3154         (compute_cfa_pointer): New function.
3155         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3156         (struct adjust_mem_data): New type.
3157         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3158         functions.
3159         (get_address_mode): New function.
3160         (replace_expr_with_values): Use it.
3161         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3162         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3163         (adjust_sets): Remove.
3164         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3165         Use get_address_mode.
3166         (get_adjusted_src): Remove.
3167         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3168         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3169         (add_with_sets): Don't call adjust_sets.
3170         (fp_setter, vt_init_cfa_base): New functions.
3171         (vt_initialize): Change return type to bool.  Move most of pool etc.
3172         initialization to the beginning of the function from end.  Pass
3173         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3174         If !frame_pointer_needed, call vt_stack_adjustment before mos
3175         vector is filled, call vt_init_cfa_base if argp/framep has been
3176         eliminated to sp.  If frame_pointer_needed and argp/framep has
3177         been eliminated to hard frame pointer, set
3178         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3179         encountering fp setter in the prologue.  For MO_ADJUST, call
3180         log_op_type before pusing the op into mos vector, not afterwards.
3181         Call adjust_insn before cselib_process_insn/add_with_sets,
3182         call cancel_changes (0) afterwards.
3183         (variable_tracking_main_1): Adjust for vt_initialize calling
3184         vt_stack_adjustments and returning whether it succeeded or not.
3185
3186 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3187
3188         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3189         debug statements.
3190
3191 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3192
3193         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3194         has been set.
3195         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3196         drap_reg has not been set.
3197
3198 2010-03-15  Michael Matz  <matz@suse.de>
3199
3200         PR middle-end/43300
3201         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3202         use it to expand block copies.
3203         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3204         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3205         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3206
3207 2010-03-15  Richard Guenther  <rguenther@suse.de>
3208
3209         PR tree-optimization/43367
3210         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3211         elimination check.
3212
3213 2010-03-15  Richard Guenther  <rguenther@suse.de>
3214
3215         PR tree-optimization/43317
3216         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3217
3218 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3219
3220         PR tree-optimization/43141
3221         * tree-sra.c (create_abstract_origin): New function.
3222         (modify_function): Call create_abstract_origin.
3223
3224 2010-03-15  Chris Demetriou  <cgd@google.com>
3225
3226         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3227         wasn't copied.
3228
3229 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3230
3231         PR middle-end/43354
3232         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3233         call insert_out_of_ssa_copy for default definitions.
3234
3235 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3236
3237         * graphite-clast-to-gimple.c (my_long_long): Defined.
3238         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3239         * graphite-sese-to-poly.c (my_long_long): Defined.
3240         (scop_ivs_can_be_represented): Use it.
3241
3242 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3243
3244         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3245         graphite-max-bbs-per-function, and loop-block-tile-size.
3246         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3247         with "maximum".
3248         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3249
3250 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3253         forward declaration.
3254         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3255         (add_upper_bounds_from_estimated_nit): New.
3256         (build_loop_iteration_domains): Use it.
3257
3258 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3259
3260         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3261
3262 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3263
3264         PR middle-end/43306
3265         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3266         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3267
3268 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3269
3270         * graphite.c (graphite_initialize): To bound the number of bbs per
3271         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3272         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3273         * doc/invoke.texi: Document it.
3274
3275 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3276
3277         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3278         * graphite-sese-to-poly.h (build_poly_scop): Same.
3279
3280 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3281
3282         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3283         the number of parameters in the scop.  Use as an upper bound
3284         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3285         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3286         * doc/invoke.texi: Document it.
3287
3288 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3289
3290         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3291         * doc/c-tree.texi: Remove.
3292         * doc/generic.texi: Merge c-tree.texi here.
3293         * doc/gccint.texi (Trees): Remove menu entry.
3294         (c-tree.texi): Remove @include.
3295         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3296         * doc/languages.texi (Reading RTL): Ditto.
3297
3298 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3299
3300         PR target/42869
3301         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3302
3303 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3304
3305         PR middle-end/42431
3306         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3307         code added to work around reload clobbering CONST insns.
3308
3309 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3310
3311         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3312         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3313         (cselib_preserve_only_values): Remove retain argument, don't
3314         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3315         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3316         * var-tracking.c (micro_operation): Move insn field before union.
3317         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3318         (struct variable_tracking_info_def): Remove n_mos field, change
3319         mos into a vector of micro_operations.
3320         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3321         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3322         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3323         changing into a vector.
3324         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3325         come before all other uops generated by add_stores.
3326         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3327         argument removal.
3328         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3329         a vector.  Run just one pass over the bbs instead of separate counting
3330         and computation phase.
3331         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3332
3333         PR debug/43329
3334         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3335         into *nonlocalized_list vector.
3336         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3337         even if origin is non-NULL.
3338         (gen_variable_die): Likewise.
3339         (process_scope_var): Don't change origin.
3340         (gen_decl_die): Likewise.
3341         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3342         before adding new edges instead of after it, fix moving over
3343         debug stmts.
3344
3345 2010-03-11  David S. Miller  <davem@davemloft.net>
3346
3347         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3348         of four.
3349         * configure: Rebuild.
3350
3351 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3352
3353         PR tree-optimization/43257
3354         * tree.c (assign_assembler_name_if_neeeded): New function.
3355         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3356         above new function.
3357         * tree.h (assign_assembler_name_if_neeeded): Declare.
3358         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3359         the function if needed.
3360
3361 2010-03-11  Chris Demetriou  <cgd@google.com>
3362
3363         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3364         include/stdint-gcc.h, and include/stdint.h world-readable.
3365
3366 2010-03-11  Richard Guenther  <rguenther@suse.de>
3367
3368         PR tree-optimization/43255
3369         * tree-vrp.c (process_assert_insertions_for): Do not insert
3370         asserts for trivial conditions.
3371
3372 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3373
3374         PR tree-optimization/43280
3375         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3376         generation.  Move calculation of size out of the if branch.
3377         (find_bswap): Modify compare number generation.
3378
3379 2010-03-11  Richard Guenther  <rguenther@suse.de>
3380
3381         PR lto/43200
3382         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3383         (input_gimple_stmt): Fixup handled component types during
3384         operand read.  Also fix up decls in ADDR_EXPRs.
3385
3386 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3387
3388         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3389         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3390
3391 2010-03-10  Jan Hubicka  <jh@suse.cz>
3392
3393         PR c/43288
3394         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3395         * varasm.c (get_variable_section): Don't do that here...
3396         (make_decl_rtl): ... and here.
3397         (do_assemble_alias): Produce decl RTL.
3398         (assemble_alias): Likewise.
3399
3400 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3401
3402         PR debug/43290
3403         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3404         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3405         of fde->vdrap_reg.
3406         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3407         (based_loc_descr): Only express drap or vdrap regno based expressions
3408         using DW_OP_fbreg when not optimizing.
3409         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3410         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3411         REG_CFA_SET_VDRAP note.
3412
3413 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3414
3415         PR tree-optimization/43236
3416         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3417         error in calculation of base address in reverse iteration case.
3418         (generate_builtin): Take number of latch executions if the statement
3419         is in the latch.
3420
3421 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3422
3423         PR middle-end/42859
3424         * tree-eh.c: Include pointer-set.h.
3425         (lower_eh_dispatch): Filter out duplicate case labels and
3426         remove the unneeded edge when the label is unused.  Return
3427         true when some edges are removed.
3428         (execute_lower_eh_dispatch): When any lowering resulted in
3429         removing an edge, also delete unreachable blocks.
3430
3431 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3432
3433         PR bootstrap/43287
3434         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3435         UNSPEC_MACHOPIC_OFFSET.
3436
3437 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3438
3439         PR target/43294
3440         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3441         (m68k_delegitimize_address): New function.
3442
3443 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
344