OSDN Git Service

* config/i386/i386.md (x86_shrd): Add athlon_decode and
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/i386/i386.md (x86_shrd): Add athlon_decode and
4         amdfam10_decode attributes.
5
6 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
7
8         PR middle-end/43570
9         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
10         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
11         (lower_copyprivate_clauses): Use private var in outer
12         context instead of original var.  Make sure the types
13         are correct for VLAs.
14
15 2010-04-21  Richard Guenther  <rguenther@suse.de>
16
17         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
18         to non-pointer objects.
19
20 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
21
22         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
23         last chain entry if it starts with the still current label.
24         (add_location_or_const_value_attribute): Check that
25         loc_list->first->next is NULL instead of comparing ->first with
26         ->last.
27         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
28         to add_var_loc_to_decl.
29
30         * dwarf2out.c (output_call_frame_info): For dw_cie_version
31         >= 4 add also address size and segment size fields into CIE
32         header.
33
34         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
35         long as address size is the same as sizeof (void *) and
36         segment size is 0.
37         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
38         address size or segment size is unexpected, return DW_EH_PE_omit.
39         (classify_object_over_fdes): If get_cie_encoding returned
40         DW_EH_PE_omit, return -1.
41         (init_object): If classify_object_over_fdes returned -1,
42         pretend there were no FDEs at all.
43
44 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
45
46         * config/i386/i386.md (bswap<mode>2): Macroize expander from
47         bswap{si,di}2 using SWI48 mode iterator.
48         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
49         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
50         set modrm attribute of bswap insn to 0 and remove length attribute.
51         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
52         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
53         set mode attribute to <MODE> and remove length attribute.
54
55 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
56
57         PR rtl-optimization/43520
58         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
59         zero available registers.
60
61 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
62
63         * builtins.c (fold_builtin_cproj): Fold more cases.
64
65 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
66
67         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
68         (fold_builtin_1): Fold builtin cproj.
69         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
70         Use ATTR_CONST_NOTHROW_LIST.
71
72 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
73
74         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
75         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
76         ffsi2_no_cmove for !TARGET_CMOVE.
77         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
78         (ffssi2): Remove expander.
79         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
80         mode iterator.
81         (ctz<mode>2): Ditto from ctz{si,di}2.
82         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
83         mode iterator.
84         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
85         mode iterator.
86
87 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
88
89         * dwarf2out.c (AT_linkage_name): Define.
90         (clone_as_declaration): Handle DW_AT_linkage_name.
91         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
92         of DW_AT_MIPS_linkage_name.
93         (move_linkage_attr): Likewise.
94         (dwarf2out_finish): Likewise.
95
96 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
97
98         PR middle-end/41952
99         * fold-const.c (fold_comparison): New folding rule.
100
101 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
102
103         * double-int.h (double_int_setbit): Declare.
104         * double-int.c (double_int_setbit): New function.
105         * rtl.h (immed_double_int_const): Declare.
106         * emit-rtl.c (immed_double_int_const): New function.
107         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
108         and immed_double_int_const functions.
109         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
110         expand_copysign_bit):  (Ditto.).
111         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
112         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
113         * dojump.c (prefer_and_bit_test): (Ditto.).
114         * expr.c (convert_modes, reduce_to_bit_field_precision,
115         const_vector_from_tree): (Ditto.).
116         * expmed.c (mask_rtx, lshift_value): (Ditto.).
117
118 2010-04-20  Jan Hubicka  <jh@suse.cz>
119
120         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
121         (dump_cgraph_node): Dump new flags.
122         * cgraph.h (struct cgraph_node): Add flags
123         reachable_from_other_partition and in_other_partition.
124         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
125         other partition can not be removed.
126         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
127         the other partition must be output; silence sanity checking on
128         leaking functions bodies from other paritition.
129         * lto-cgraph.c (reachable_from_other_partition_p): New function.
130         (lto_output_node): Output new flags; do not sanity check that inline
131         clones are output; drop lto_forced_extern_inline_p code; do not mock
132         visibility flags at partition boundaries.
133         (add_node_to): New function.
134         (output_cgraph): Use it to sort functions so masters appear before
135         clones.
136         (input_overwrite_node): Input new flags.
137         * passes.c (ipa_write_summaries): Do not call
138         lto_new_extern_inline_states.
139         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
140         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
141         lto_forced_extern_inline_p): Kill.
142         * lto-streamer.h (lto_new_extern_inline_states,
143         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
144         lto_forced_extern_inline_p): Kill.
145
146 2010-04-20  Richard Guenther  <rguenther@suse.de>
147
148         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
149         from vars that can have pointers.
150         (process_constraint): Dump useless constraints.
151
152 2010-04-20  Richard Guenther  <rguenther@suse.de>
153
154         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
155         (dump_sa_points_to_info): Remove asserts.
156         (init_base_vars): nothing_id isn't an escape point nor does it
157         have pointers.
158
159 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
160
161         * tree.h (TYPE_REF_IS_RVALUE): Define.
162         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
163         should_move_die_to_comdat, prune_unused_types_walk): Handle
164         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
165         (modified_type_die, gen_reference_type_die): Emit
166         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
167         if TYPE_REF_IS_RVALUE and -gdwarf-4.
168
169 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
170
171         PR target/43635
172         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
173         calls for -fpic -m31 if they have been sibcall optimized.
174
175 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
176
177         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
178         ar.lc fixed and call-used.
179
180         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
181
182 2010-04-19  Jan Hubicka  <jh@suse.cz>
183
184         * opts.c (decode_options): Disable whpr incompatible passes.
185         * lto/lto.c (lto_1_to_1_map): Skip clones.
186         (read_cgraph_and_symbols): Do not mark everything as needed.
187         (do_whole_program_analysis): Do map only after optimizing;
188         set proper cgraph_state; use passmanager.
189
190 2010-04-19  DJ Delorie  <dj@redhat.com>
191
192         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
193         POINTER_PLUS_EXPR and fix them.
194
195 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
196
197         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
198         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
199         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
200         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
201         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
202         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
203         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
204         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
205         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
206         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
207         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
208
209 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
210
211         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
212         (check_cond_move_block): Likewise.
213         (cond_move_process_if_block): Likewise.
214         (noce_find_if_block): Improve formatting.
215         (find_if_header): Pass 0 to memset and tweak conditions.
216         (cond_exec_find_if_block): Fix long lines and tweak conditions.
217
218 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
219
220         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
221         for -gdwarf-4.
222
223         PR middle-end/43337
224         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
225         with non-local decl doesn't need chain.
226
227 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
228
229         * ira-color.c (allocno_reload_assign): Avoid accumulating
230         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
231
232 2010-04-19  Martin Jambor  <mjambor@suse.cz>
233
234         * gimple.h (create_tmp_reg): Declare.
235         * gimplify.c (create_tmp_reg): New function.
236         (gimplify_return_expr): Use create_tmp_reg.
237         (gimplify_omp_atomic): Likewise.
238         (gimple_regimplify_operands): Likewise.
239         * tree-dfa.c (make_rename_temp): Likewise.
240         * tree-predcom.c (predcom_tmp_var): Likewise.
241         (reassociate_to_the_same_stmt): Likewise.
242         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
243         (get_replaced_param_substitute): Likewise.
244         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
245         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
246         * tree-ssa-pre.c (get_representative_for): Likewise.
247         (create_expression_by_pieces): Likewise.
248         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
249         (create_tailcall_accumulator): Likewise.
250
251 2010-04-19  Martin Jambor  <mjambor@suse.cz>
252
253         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
254         new_stmt.
255         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
256
257 2010-04-19  Richard Guenther  <rguenther@suse.de>
258
259         PR tree-optimization/43796
260         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
261         from SCEV in the lattice.
262         (vrp_visit_phi_node): Dump change.
263
264 2010-04-19  Richard Guenther  <rguenther@suse.de>
265
266         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
267         * configure: Re-generated.
268
269 2010-04-19  Richard Guenther  <rguenther@suse.de>
270
271         PR tree-optimization/43783
272         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
273         constant ARRAY_REF operands two and three if possible.
274
275 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
276
277         PR target/43766
278         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
279
280 2010-04-19  Jie Zhang  <jie@codesourcery.com>
281
282         PR target/43662
283         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
284
285 2010-04-19 Ira Rosen <irar@il.ibm.com>
286
287         PR tree-optimization/37027
288         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
289         and macro to access it.
290         (vectorizable_reduction): Add argument.
291         (vect_get_slp_defs): Likewise.
292         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
293         statements for possible use in SLP.
294         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
295         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
296         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
297         add new argument.
298         (vectorizable_reduction): Likewise.
299         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
300         vect_get_slp_defs.
301         (vectorizable_type_demotion, vectorizable_type_promotion,
302         vectorizable_store): Likewise.
303         (vect_analyze_stmt): Update call to vectorizable_reduction.
304         (vect_transform_stmt): Likewise.
305         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
306         (vect_build_slp_tree): Fix indentation. Check that there are no loads
307         from different interleaving chains in same node.
308         (vect_slp_rearrange_stmts): New function.
309         (vect_supported_load_permutation_p): Allow load permutations for
310         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
311         inside SLP nodes if necessary.
312         (vect_analyze_slp_instance): Handle reductions.
313         (vect_analyze_slp): Try to build SLP instances originating from groups
314         of reductions.
315         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
316         (vect_get_constant_vectors): Create initial vectors for reductions
317         according to reduction code. Add new argument.
318         (vect_get_slp_defs): Add new argument, pass it to
319         vect_get_constant_vectors.
320         (vect_schedule_slp_instance): Remove SLP tree root statements.
321
322 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
323
324         * tree.h (ENUM_IS_SCOPED): Define.
325         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
326         for ENUM_IS_SCOPED enums.
327
328 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
329
330         * fold-const.c (fold_comparison): Use ssizetype.
331         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
332         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
333         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
334         * tree-object-size.c (compute_object_sizes): Use size_type_node.
335
336         * tree.h (initialize_sizetypes): Remove parameter.
337         (build_common_tree_nodes): Remove second parameter.
338         * stor-layout.c (initialize_sizetypes): Remove parameter.
339         Always create an unsigned type.
340         (set_sizetype): Assert that the passed type is unsigned and simplify.
341         * tree.c (build_common_tree_nodes): Remove second parameter.
342         Adjust call to initialize_sizetypes.
343         * c-decl.c (c_init_decl_processing): Remove second argument in call to
344         build_common_tree_nodes.
345
346 2010-04-18  Matthias Klose  <doko@ubuntu.com>
347
348         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
349
350 2010-04-18 Ira Rosen <irar@il.ibm.com>
351
352         PR tree-optimization/43771
353         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
354         load permutation doesn't have gaps.
355
356 2010-04-18  Jan Hubicka  <jh@suse.cz>
357
358         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
359         (sse_prologue_save_insn expander): Use new pattern.
360         (sse_prologue_save_insn1): New pattern and splitter.
361         (sse_prologue_save_insn): Update to deal also with 64bit aligned
362         blocks.
363         * i386.c (setup_incoming_varargs_64): Do not compute jump
364         destination here.
365         (ix86_gimplify_va_arg): Update alignment needed.
366         (ix86_local_alignment): Do not align all local arrays to 128bit.
367
368 2010-04-17  Jan Hubicka  <jh@suse.cz>
369
370         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
371
372 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
373
374         * arm.md (negdi2): Remove redundant code to force values into a
375         register.
376
377 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
378
379         * arm/bpabi.S: Add EABI alignment attributes to objects.
380         * arm/bpabi-v6m.S: Likewise.
381         * arm/crti.asm: Likewise.
382         * arm/crtn.asm: Likewise.
383         * arm/lib1funcs.asm: Likewise.
384         * arm/libunwind.S: Likewise.
385
386 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
387
388         * arm-protos.h (tune_params): New structure.
389         * arm.c (current_tune): New variable.
390         (arm_constant_limit): Delete.
391         (struct processors): Add pointer to the tune parameters.
392         (arm_slowmul_tune): New tuning option.
393         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
394         (all_cores): Adjust to pick up the tuning model.
395         (arm_constant_limit): New function.
396         (arm_override_options): Select the appropriate tuning model.  Delete
397         initialization of arm_const_limit.
398         (arm_split_constant): Use the new constant-limit model.
399         (arm_rtx_costs): Pick up the current tuning model.
400         * arm.md (is_strongarm, is_xscale): Delete.
401         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
402         for Xscale variant architectures.
403         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
404
405 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
406
407         * config/arm/arm.c (arm_gen_constant): Remove unused variable
408         can_shift.
409         (arm_rtx_costs_1): Remove unused variable extra_cost.
410         (arm_unwind_emit_set): Use variable offset.
411         (thumb1_output_casesi): Remove unused variable flags.
412
413 2010-04-16  Jeff Law  <law@redhat.com>
414
415         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
416         needing assignment rather than doing a two-phase assignment.  Remove
417         unused variable 'm'.
418
419 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
420
421         PR bootstrap/43767
422         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
423
424 2010-04-16  Doug Kwan  <dougkwan@google.com>
425
426         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
427         (next_operand_entry_id): New static variable.
428         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
429         (add_to_ops_vec): Assigned unique ID to operand entry.
430         (struct oecount_s): New field ID.
431         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
432         (undistribute_ops_list): Assign unique IDs to oecounts.
433         (init_reassoc): reset next_operand_entry_id.
434
435 2010-04-16  Doug Kwan  <dougkwan@google.com>
436
437         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
438         missing left parenthesis.
439
440 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
441
442         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
443         *btdi_rex64 using SWI48 mode iterator.
444         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
445         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
446         *jcc_btdi_mask_rex64.
447
448 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
449
450         * double-int.h (tree_to_double_int): Convert to macro.
451         * double-int.c (tree_to_double_int): Remove.
452
453 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
454
455         PR debug/43762
456         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
457         with want_address 2 and in case a single element list might be
458         possible, call it again with want_address 0.
459
460 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
461
462         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
463         case 'W' print operands for HI mode.
464         * config/h8300/h8300.h (Y0, Y2) : New constraints.
465         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
466         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
467         * config/h8300/predicate.md (bit_register_indirect_operand): New.
468
469         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
470
471         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
472         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
473         #xx:3 and #xx:4 mode.
474
475         * config/h8300/h8300.md (inverted load with HImode dest): Add
476         support for H8300SX.
477
478         * config/h8300/predicate.md (bit_operand): Allow immediate values that
479         satisfy 'U' constraint.
480
481 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
482
483         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
484         * configure: Regenerate.
485         * config.in: Regenerate.
486         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
487         works.
488
489 2010-04-16  Richard Guenther  <rguenther@suse.de>
490
491         * tree.h (struct tree_decl_minimal): Move pt_uid ...
492         (struct tree_decl_common): ... here.
493         (DECL_PT_UID): Adjust.
494         (SET_DECL_PT_UID): Likewise.
495         (DECL_PT_UID_SET_P): Likewise.
496
497 2010-04-16  Richard Guenther  <rguenther@suse.de>
498
499         PR tree-optimization/43572
500         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
501         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
502         * tree-flow.h (is_call_clobbered): Remove.
503         * tree-flow-inline.h (is_call_clobbered): Likewise.
504         * tree-dfa.c (dump_variable): Do not dump call clobber state.
505         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
506         (execute_return_slot_opt): Adjust.
507         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
508         check for call clobbered vars here.
509         (find_tail_calls): Move tailcall verification to the
510         proper place.
511
512 2010-04-16  Diego Novillo  <dnovillo@google.com>
513
514         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
515
516 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
517
518         PR target/40603
519         * config/arm/arm.md (cbranchqi4): New pattern.
520         * config/arm/predicates.md (const0_operand,
521         cbranchqi4_comparison_operator): New predicates.
522
523 2010-04-16  Richard Guenther  <rguenther@suse.de>
524
525         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
526         (dump_gimple_stmt): Likewise.
527
528 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
529
530         * recog.h (struct recog_data): New field is_operator.
531         (struct insn_operand_data): New field is_operator.
532         * recog.c (extract_insn): Set recog_data.is_operator.
533         * genoutput.c (output_operand_data): Emit code to set the
534         is_operator field.
535         * reload.c (find_reloads): Use it rather than testing for an
536         empty constraint string.
537
538         PR target/41514
539         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
540         If the previous insn is a cbranchsi4_insn with the same arguments,
541         omit the compare instruction.
542
543         * config/arm/arm.md (addsi3_cbranch): If destination is a high
544         register, inputs must be low registers and we need a low register
545         scratch.  Handle alternative 2 like alternative 3.
546
547 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
548
549         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
550         don't call get_addr on both.  If one expression is a VALUE and
551         the other a REG, check VALUE's locs if the REG isn't among them.
552
553 2010-04-16  Christian Bruel  <christian.bruel@st.com>
554
555         * config/sh/sh.h (sh_frame_pointer_required): New function.
556         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
557         (flag_omit_frame_pointer) Set.
558         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
559         (rounded_frame_size): Adjust size with outgoing_args_size.
560         (sh_set_return_address): Must return from stack pointer.
561         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
562         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
563         (ACCUMULATE_OUTGOING_ARGS): Define.
564         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
565         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
566
567 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
568
569         PR target/43471
570         * config/sh/sh.c (sh_legitimize_reload_address): Use
571         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
572         Remove a unneeded check for offset_base.
573
574 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
575
576         * configure: Regenerated.
577
578 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
579
580         * config/s390/s390.c (s390_call_save_register_used): Switch back
581         to HARD_REGNO_NREGS.
582
583 2010-04-15  Richard Guenther  <rguenther@suse.de>
584
585         * alias.c (alias_set_subset_of): Handle alias-set zero
586         child properly.
587
588 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
589             Julian Brown  <julian@codesourcery.com>
590
591         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
592         alternatives according to use of high and low regs.
593         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
594         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
595         optimizing for size on Thumb-2.
596
597 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
598
599         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
600
601 2010-04-15  Richard Guenther  <rguenther@suse.de>
602
603         * tree-ssa-structalias.c (struct variable_info): Add
604         is_fn_info flag.
605         (new_var_info): Initialize it.
606         (dump_constraints): Support printing last added constraints.
607         (debug_constraints): Adjust.
608         (dump_constraint_graph): Likewise.
609         (make_heapvar_for): Check for NULL cfun.
610         (get_function_part_constraint): New function.
611         (get_fi_for_callee): Likewise.
612         (find_func_aliases): Properly implement IPA PTA constraints.
613         (process_ipa_clobber): New function.
614         (find_func_clobbers): Likewise.
615         (insert_into_field_list_sorted): Remove.
616         (create_function_info_for): Properly allocate vars for IPA mode.
617         Do not use insert_into_field_list_sorted.
618         (create_variable_info_for): Properly generate constraints for
619         global vars in IPA mode.
620         (dump_solution_for_var): Always dump the solution.
621         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
622         (find_what_var_points_to): Adjust.
623         (pt_solution_set): Change.
624         (pt_solution_ior_into): New function.
625         (pt_solution_empty_p): Export.
626         (pt_solution_includes_global): Adjust.
627         (pt_solution_includes_1): Likewise.
628         (pt_solutions_intersect_1): Likewise.
629         (dump_sa_points_to_info): Check some invariants.
630         (solve_constraints): Move constraint dumping ...
631         (compute_points_to_sets): ... here.
632         (ipa_pta_execute): ... and here.
633         (compute_may_aliases): Do not re-compute points-to info
634         locally if IPA info is available.
635         (ipa_escaped_pt): New global var.
636         (ipa_pta_execute): Properly implement IPA PTA.
637         * tree-into-ssa.c (dump_decl_set): Support dumping
638         decls not in referenced-vars.
639         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
640         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
641         (dump_points_to_solution): Likewise.
642         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
643         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
644         (remap_gimple_stmt): Reset call clobber/use information if necessary.
645         (copy_decl_to_var): Copy DECL_PT_UID.
646         (copy_result_decl_to_var): Likewise.
647         * tree.c (make_node_stat): Initialize DECL_PT_UID.
648         (copy_node_stat): Copy it.
649         * tree.h (DECL_PT_UID): New macro.
650         (SET_DECL_PT_UID): Likewise.
651         (DECL_PT_UID_SET_P): Likewise.
652         (struct tree_decl_minimal): Add pt_uid member.
653         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
654         (pt_solution_empty_p): Declare.
655         (pt_solution_set): Adjust.
656         (ipa_escaped_pt): Declare.
657         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
658         * gimple-pretty-print.c (pp_points_to_solution): New function.
659         (dump_gimple_call): Dump call clobber/use information.
660         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
661         * tree-pass.h (TDF_ALIAS): New dump option.
662         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
663         * doc/invoke.texi (-fipa-pta): Update documentation.
664
665 2010-04-15  Richard Guenther  <rguenther@suse.de>
666
667         * Makefile.in (OBJS-common): Add gimple-fold.o.
668         (gimple-fold.o): New rule.
669         * tree.h (maybe_fold_offset_to_reference,
670         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
671         prototypes ...
672         * gimple.h: ... here.
673         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
674         may_propagate_address_into_dereference): Move prototypes ...
675         * gimple.h: ... here.
676         * tree-ssa-ccp.c (get_symbol_constant_value,
677         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
678         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
679         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
680         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
681         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
682         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
683         gimplify_and_update_call_from_tree): Move ...
684         * gimple-fold.c: ... here.  New file.
685         (ccp_fold_builtin): Rename to ...
686         (gimple_fold_builtin): ... this.
687         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
688
689 2010-04-15  Richard Guenther  <rguenther@suse.de>
690
691         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
692         fit_double_type, force_fit_type_double, add_double_with_sign,
693         neg_double, mul_double_with_sign, lshift_double, rshift_double,
694         lrotate_double, rrotate_double, div_and_round_double): Move ...
695         * double-int.c: ... here.
696         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
697         add_double, neg_double, mul_double_with_sign, mul_double,
698         lshift_double, rshift_double, lrotate_double, rrotate_double,
699         div_and_round_double): Move prototypes ...
700         * double-int.h: ... here.
701
702 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
703
704         PR target/43742
705         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
706         matching constraints to ensure inputs match the output.
707
708 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
709
710         PR target/43742
711         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
712         in an input-only operand.
713
714 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
715
716         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
717         (double_int_not, double_int_lshift, double_int_rshift): Declare.
718         (double_int_negative_p): Convert to static inline function.
719         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
720         (double_int_negative_p): Remove.
721         * tree.h (lshift_double, rshift_double):
722         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
723         * fold-const.c (fold_convert_const_int_from_real,
724         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
725         (lshift_double): Change type of arith argument to bool.
726         (rshift_double): Change type of arith argument to bool. Correct
727         comment.
728         * expmed.c (mask_rtx, lshift_value): (Ditto.).
729
730 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
731
732         PR target/21803
733         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
734         at the start and end of the then/else blocks, and omit them from the
735         conversion.
736         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
737         argument; all callers changed.  Pass zero to old_insns_match_p instead.
738         (flow_find_head_matching_sequence): New function.
739         (old_insns_match_p): Check REG_EH_REGION notes for calls.
740         * basic-block.h (flow_find_cross_jump,
741         flow_find_head_matching_sequence): Declare functions.
742
743 2010-04-14  Jason Merrill  <jason@redhat.com>
744
745         PR c++/36625
746         * c-common.c (attribute_takes_identifier_p): New fn.
747         * c-common.h: Declare it.
748
749 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
750
751         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
752         splitter condition.
753         (*udivmod<mode>4): Ditto.
754
755 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
756
757         * config/i386/i386.md (maxmin_int): Rename code attribute from
758         maxminiprefix and update all users.
759         (maxmin_float): Ditto from maxminfprefix.
760         (logic): Ditto from logicprefix.
761         (absneg_mnemonic): Ditto from absnegprefix.
762         * config/i386/mmx.md: Update all users of maxminiprefix,
763         maxminfprefix and logicprefix for rename.
764         * config/i386/sse.md: Ditto.
765         * config/i386/sync.md (sync_<code><mode>): Update for
766         logicprefix rename.
767
768 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
769
770         PR 42966
771         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
772         warnings converted to errors.
773
774 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
775
776         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
777         used insn_type variable.
778         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
779         to avoid set-but-not-used warning.
780
781 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
782
783         * df-core.c (df_ref_debug): Change format string placeholder
784         from 0x%x to %#x.
785         * dwarf2asm.c (dw2_asm_output_data_raw,
786         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
787         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
788         * dwarf2out.c (output_cfi, output_cfi_directive,
789         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
790         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
791         Ditto.
792         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
793         * print-rtl.c (print_rtx): Ditto.
794
795 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
796
797         PR middle-end/42694
798         * builtins.c (expand_builtin_pow_root): New function to expand pow
799         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
800         series of sqrt and cbrt calls under -ffast-math.
801         (expand_builtin_pow): Call it.
802
803 2010-04-14  Michael Matz  <matz@suse.de>
804
805         PR tree-optimization/42963
806         * tree-cfg.c (touched_switch_bbs): New static variable.
807         (group_case_labels_stmt): New function broken out from ...
808         (group_case_labels): ... here, use the above.
809         (start_recording_case_labels): Allocate touched_switch_bbs.
810         (end_recording_case_labels): Deallocate it, call
811         group_case_labels_stmt.
812         (gimple_redirect_edge_and_branch): Remember index of affected BB.
813
814 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
815
816         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
817         from insn template.
818
819 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
820
821         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
822
823 2010-04-13  Jan Hubicka  <jh@suse.cz>
824
825         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
826         of optimized out static functions.
827         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
828         cost computation.  Also sanity check for overflows.
829         (update_caller_keys): Update cgraph_edge_badness call; properly
830         update fibheap and sanity check that it is up to date.
831         (add_new_edges_to_heap): Update cgraph_edge_badness.
832         (cgraph_decide_inlining_of_small_function): Likewise;
833         add sanity checking that badness in heap is up to date;
834         improve dumping of reason; Update badness of calls to the
835         offline copy of function currently inlined; dump badness
836         of functions not inlined because of unit growth limits.
837
838 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
839
840         PR middle-end/32628
841         * c-common.c (pointer_int_sum): Disregard overflow that occured only
842         because of sign-extension change when converting to sizetype here...
843         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
844
845         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
846         the folding to constants.  Remove redundant final conversion.
847         (fold_binary) <associate>: Do not associate if the re-association of
848         constants alone overflows.
849         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
850         to the end of the list.
851         (multiple_of_p) <COND_EXPR>: New case.
852
853 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
854
855         * opt-functions.awk (opt_sanitized_name): New.
856         (opt_enum): New.
857         * optc-gen.awk: Use it
858         * opth-gen.awk: Use it.
859
860 2010-04-13  Martin Jambor  <mjambor@suse.cz>
861
862         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
863         (sra_modify_assign): Delete stmts loading dead data even if racc has no
864         children.  Call replace_uses_with_default_def_ssa_name to handle
865         SSA_NAES on lhs.
866
867 2010-04-13  Michael Matz  <matz@suse.de>
868
869         PR middle-end/43730
870         * builtins.c (expand_builtin_interclass_mathfn): Also create
871         a register if the predicate doesn't match.
872
873 2010-04-13  Diego Novillo  <dnovillo@google.com>
874
875         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
876         * c-pch.c: Include timevar.h.
877         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
878         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
879         * ggc-common.c: Include timevar.h.
880         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
881         * timevar.def (TV_PCH_SAVE): Define.
882         (TV_PCH_CPP_SAVE): Define.
883         (TV_PCH_PTR_REALLOC): Define.
884         (TV_PCH_PTR_SORT): Define.
885         (TV_PCH_RESTORE): Define.
886         (TV_PCH_CPP_RESTORE): Define.
887
888 2010-04-13  Michael Matz  <matz@suse.de>
889
890         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
891         into MINUS_EXPRs.
892         (can_reassociate_p): New function.
893         (break_up_subtract_bb, reassociate_bb): Use it.
894
895 2010-04-13  Richard Guenther  <rguenther@suse.de>
896
897         PR bootstrap/43737
898         * builtins.c (c_readstr): Fix assert.
899
900 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
901
902         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
903         when generating cltd insn.
904
905         (*ashl<mode>3_1): Remove special handling for register operand 2.
906         (*ashlsi3_1_zext): Ditto.
907         (*ashlhi3_1): Ditto.
908         (*ashlhi3_1_lea): Ditto.
909         (*ashlqi3_1): Ditto.
910         (*ashlqi3_1_lea): Ditto.
911         (*<shiftrt_insn><mode>3_1): Ditto.
912         (*<shiftrt_insn>si3_1_zext): Ditto.
913         (*<shiftrt_insn>qi3_1_slp): Ditto.
914         (*<rotate_insn><mode>3_1): Ditto.
915         (*<rotate_insn>si3_1_zext): Ditto.
916         (*<rotate_insn>qi3_1_slp): Ditto.
917
918 2010-04-13  Richard Guenther  <rguenther@suse.de>
919
920         * tree-ssa-structalias.c (callused_id): Remove.
921         (call_stmt_vars): New.
922         (get_call_vi): Likewise.
923         (lookup_call_use_vi): Likewise.
924         (lookup_call_clobber_vi): Likewise.
925         (get_call_use_vi): Likewise.
926         (get_call_clobber_vi): Likewise.
927         (make_transitive_closure_constraints): Likewise.
928         (handle_const_call): Adjust to do per-call call-used handling.
929         (handle_pure_call): Likewise.
930         (find_what_var_points_to): Remove general callused handling.
931         (init_base_vars): Likewise.
932         (init_alias_vars): Initialize call_stmt_vars.
933         (compute_points_to_sets): Process call-used and call-clobbered
934         vars for call statements.
935         (delete_points_to_sets): Free call_stmt_vars.
936
937 2010-04-13  Richard Guenther  <rguenther@suse.de>
938
939         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
940         Only add RW dependence for dependence distance zero.
941         Adjust maximal vectorization factor according to dependences.
942         Move alignment handling ...
943         (vect_find_same_alignment_drs): ... here.  New function.
944         (vect_analyze_data_ref_dependences): Adjust.
945         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
946         (vect_analyze_data_refs): Adjust minimal vectorization factor
947         according to data references.
948         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
949         dependences before determining the vectorization factor.
950         Analyze alignment after determining the vectorization factor.
951         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
952         dependences before alignment.
953         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
954         Adjust prototype.
955         (vect_analyze_data_refs): Likewise.
956         (MAX_VECTORIZATION_FACTOR): New define.
957
958 2010-04-13  Duncan Sands  <baldrick@free.fr>
959
960         * except.h (lang_eh_type_covers): Remove.
961         * except.c (lang_eh_type_covers): Likewise.
962
963 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
964             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
965
966         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
967         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
968         UNITS_PER_LONG where it is ABI relevant.
969         (s390_return_addr_rtx): Likewise.
970         (s390_back_chain_rtx): Likewise.
971         (s390_frame_area): Likewise.
972         (s390_frame_info): Likewise.
973         (s390_initial_elimination_offset): Likewise.
974         (save_gprs): Likewise.
975         (s390_emit_prologue): Likewise.
976         (s390_emit_epilogue): Likewise.
977         (s390_function_arg_advance): Likewise.
978         (s390_function_arg): Likewise.
979         (s390_va_start): Likewise.
980         (s390_gimplify_va_arg): Likewise.
981         (s390_function_profiler): Likewise.
982         (s390_optimize_prologue): Likewise.
983         (s390_rtx_costs): Likewise.
984         (s390_secondary_reload): Likewise.
985         (s390_promote_function_mode): Likewise.
986         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
987         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
988         registers available.
989         (s390_unwind_word_mode): New function.
990         (s390_function_value): Split 64 bit values into register pair if
991         used as return value.
992         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
993         function call parameters.  Handle parallels.
994         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
995         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
996         (DWARF_CIE_DATA_ALIGNMENT): New macro.
997         (s390_expand_setmem): Remove unused variable src_addr.
998         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
999         deal with 64 bit registers.
1000         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1001         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1002         (UNITS_PER_LONG): New macro.
1003         * libjava/include/s390-signal.h: Define extended ucontext
1004         structure containing the upper halfs of the 64 bit registers.
1005
1006 2010-04-13  Simon Baldwin  <simonb@google.com>
1007
1008         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1009
1010 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1011
1012         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1013         rvalue on the RHS if the LHS is of a non-renamable type.
1014         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1015
1016 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1017
1018         * gcc.c (cc1_options): Handle -iplugindir before processing
1019         the cc1 spec. Only add -iplugindir once.
1020         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1021         found.
1022         * common.opt (iplugindir): Remove `Separate' property, initialize.
1023         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1024         option.
1025         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1026         (distclean): Remove plugin dir.
1027         * doc/invoke.texi: Document -iplugindir.
1028
1029 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1030
1031         * doc/plugins.texi (Loading Plugins): Document short
1032         -fplugin=foo option.
1033         (Plugin API): Mention default_plugin_dir_name function.
1034
1035         * gcc.c (find_file_spec_function): Add new declaration.
1036         (static_spec_func): Use it for "find-file".
1037         (find_file_spec_function): Add new function.
1038         (cc1_options): Add -iplugindir option if -fplugin* options found.
1039
1040         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1041
1042         * plugin.c (add_new_plugin): Updated comment, and handle short
1043         plugin name.
1044         (default_plugin_dir_name): Added new function.
1045
1046         * common.opt (iplugindir): New option to set the plugin directory.
1047
1048 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1049
1050         * config/i386/i386.md (any_rotate): New code iterator.
1051         (rotate_insn): New code attribute.
1052         (rotate): Ditto.
1053         (SWIM124): New mode iterator.
1054         (<rotate_insn>ti3): New expander.
1055         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1056         any_rotate code iterator.
1057         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1058         using any_rotate code iterator and SWIM124 mode iterator.
1059         (ix86_rotlti3): New insn_and_split pattern.
1060         (ix86_rotrti3): Ditto.
1061         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1062         ix86_rotl{di,ti}3 patterns.
1063         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1064         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1065         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1066         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1067         code iterator and SWI mode iterator.
1068         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1069         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1070         code iterator.
1071         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1072         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1073         (bswap rotatert splitter): Add splitter.
1074         (bswap splitter): Macroize splitter using any_rotate code iterator.
1075         Add insn predicate to split only for TARGET_USE_XCHGB or when
1076         optimizing function for size.
1077
1078 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1079
1080         * config/pa/pa.c (emit_move_sequence): Remove use of
1081         deleted variable flag_argument_noalias.
1082
1083 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1084
1085         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1086         configurations.
1087         Add to unsupported targets list.
1088         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1089         sparc*-sun-solaris2.[567]* from target lists.
1090         * configure: Regenerate.
1091         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1092         removal.
1093         Remove Solaris 7 patch references.
1094         (Specific, sparc-sun-solaris2.7): Removed.
1095         (sparc-sun-solaris2*): Update Solaris 7 example.
1096         (sparc64-*-solaris2*): Likewise.
1097
1098 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1099
1100         * config.build (alpha*-dec-osf4*): Remove.
1101         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1102         of obsolete configurations.
1103         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1104         support.
1105         * config/alpha/t-osf4: Renamed to ...
1106         * config/alpha/t-osf5: ... this.
1107         * config/alpha/osf.h: Renamed to ...
1108         * config/alpha/osf5.h: ... this.
1109         Merged old osf5.h contents.
1110         Update comments.
1111         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1112         (EXTRA_SPECS): Removed.
1113         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1114         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1115         Document that.
1116
1117 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1118
1119         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1120
1121 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1122
1123         PR/43702
1124         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1125         __thiscall convention.
1126
1127 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1128
1129         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1130         orig_base.
1131         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1132
1133 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1134
1135         * function.c (assign_parms_initialize_all): Add unused attribute
1136         to fntype.
1137
1138 2010-04-12  Richard Guenther  <rguenther@suse.de>
1139
1140         * gsstruct.def (GSS_CALL): New.
1141         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1142         * gimple.h: Include tree-ssa-alias.h.
1143         (struct gimple_statement_call): New.
1144         (union gimple_statement_struct_d): Add gimple_call member.
1145         (gimple_call_reset_alias_info): Declare.
1146         (gimple_call_use_set): New function.
1147         (gimple_call_clobber_set): Likewise.
1148         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1149         * gimple.c (gimple_call_reset_alias_info): New function.
1150         (gimple_build_call_1): Call it.
1151         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1152         * tree-inline.c (remap_gimple_stmt): Likewise.
1153         (expand_call_inline): Remove callused handling.
1154         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1155         * tree-dfa.c (dump_variable): Likewise.
1156         * tree-parloops.c (parallelize_loops): Likewise.
1157         * tree-ssa.c (init_tree_ssa): Likewise.
1158         (delete_tree_ssa): Likewise.
1159         * tree-flow-inline.h (is_call_used): Remove.
1160         * tree-flow.h (struct gimple_df): Remove callused member.
1161         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1162         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1163         (ref_maybe_used_by_call_p_1): Simplify.
1164         (call_may_clobber_ref_p_1): Likewise.
1165         * tree-ssa-structalias.c (compute_points_to_sets): Set
1166         the call stmt used and clobbered sets.
1167         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1168         (find_tail_calls): Verify the tail call.
1169
1170 2010-04-12  Richard Guenther  <rguenther@suse.de>
1171
1172         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1173         single-iteration always-inline inlining.
1174         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1175         (cgraph_decide_inlining): Do not handle always-inline specially.
1176         (try_inline): Remove always-inline cycle detection special case.
1177         Do not recurse on always-inlines.
1178         (cgraph_early_inlining): Do not iterate if not optimizing.
1179         (cgraph_gate_early_inlining): remove.
1180         (pass_early_inline): Run unconditionally.
1181         (gate_cgraph_decide_inlining): New function.
1182         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1183         not inlining or optimizing.
1184         (cgraph_decide_inlining_of_small_functions): Also consider
1185         always-inline functions.
1186         (cgraph_default_inline_p): Return true for nodes which should
1187         disregard inline limits.
1188         (estimate_function_body_sizes): Assume zero size and time for
1189         nodes which are marked as disregarding inline limits.
1190         (cgraph_decide_recursive_inlining): Do not perform recursive
1191         inlining on always-inline nodes.
1192
1193 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1194
1195         PR bootstrap/43699
1196         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1197         for exprs satisfying handled_component_p.
1198
1199 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1200
1201         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1202         non-constant aggregate elements.
1203
1204         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1205         is a real initialization.
1206
1207 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1208
1209         PR c/36774
1210         * c-decl.c (start_function): Move forward check for nested function.
1211
1212 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1213
1214         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1215         * config/sh/sh.c: Include reload.h.
1216         (sh_legitimize_reload_address): New.
1217         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1218         sh_legitimize_reload_address.
1219
1220 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1221
1222         * config/sh/sh.md (*movqi_pop): New insn pattern.
1223         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1224
1225 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1226
1227         * config/i386/i386.md (any_shiftrt): New code iterator.
1228         (shiftrt_insn): New code attribute.
1229         (shiftrt): Ditto.
1230         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1231         using any_shiftrt code iterator.
1232         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1233         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1234         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1235         pattern from corresponding peephole2 patterns.
1236         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1237         using any_shiftrt code iterator.
1238         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1239         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1240         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1241         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1242         *{ashr,lshr}<mode>3_cmp_zext.
1243         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1244
1245 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1246
1247         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1248         scratch register.
1249         (*lshr<mode>3_cconly): Ditto.
1250
1251 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1252
1253         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1254         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1255         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1256         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1257         DWI mode iterator.
1258         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1259         from corresponding peephole2 patterns.
1260         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1261         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1262         and *lshrdi3_1_rex64 using SWI mode iterator.
1263         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1264         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1265         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1266         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1267         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1268         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1269         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1270         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1271         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1272         SWI mode iterator.
1273
1274 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1275
1276         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1277         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1278         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1279         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1280         DWI mode iterator.
1281         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1282         from corresponding peephole2 patterns.
1283         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1284         (ashrsi3_cvt): Rename from ashrsi3_31.
1285         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1286         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1287         and x86_64_shift_adj_3 using SWI48 mode iterator.
1288         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1289         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1290         and *ashrdi3_1_rex64 using SWI mode iterator.
1291         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1292         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1293         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1294         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1295         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1296         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1297         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1298         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1299         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1300         SWI mode iterator.
1301         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1302         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1303         x86_shift<mode>_adj_3 expanders.
1304
1305 2010-04-10  Wei Guozhi  <carrot@google.com>
1306
1307         PR target/42601
1308         * config/arm/arm.c (arm_pic_static_addr): New function.
1309         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1310         a static symbol.
1311         (arm_output_addr_const_extra): Output expression for new pattern.
1312         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1313
1314 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1315
1316         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1317         not enabled.
1318
1319         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1320         * web.c: Include "insn-config.h" and "recog.h".
1321         (union_match_dups): New function.
1322         (web_main): Call it.
1323         (union_defs): Don't try to recognize match_dups.
1324
1325         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1326         if doing so would replace the entire pattern.
1327
1328 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1329
1330         PR target/43707
1331         PR target/43709
1332         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1333         and splitter pattern.  Change splitter operand 1 predicate to
1334         nonmemory_operand.
1335
1336 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1337
1338         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1339         lattices are addresses of CONST_DECLs with the same initial value.
1340         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1341         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1342
1343 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1344             Bernd Schmidt  <bernds@codesourcery.com>
1345
1346         * loop-invariant.c (replace_uses): New static function.
1347         (move_invariant_reg): Use it to ensure we can replace the uses.
1348
1349 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1350
1351         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1352         function template.
1353         (picochip_override_options): Enable section anchors only above -O1.
1354         (picochip_reorg): Fixed a couple of build warnings.
1355
1356 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1357
1358         * configure.ac (plugin -rdynamic test): Log result.
1359         * configure: Regenerate.
1360         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1361         (RDYNAMIC_SPEC): Define.
1362         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1363
1364 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1365
1366         * configure.ac: Determine Sun ld version numbers.
1367         (comdat_group): Restrict GNU ld version checks to gld.
1368         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1369         (enable_comdat): Support --enable-comdat.
1370         * configure: Regenerate.
1371         * doc/install.texi (Configuration): Document --enable-comdat.
1372
1373 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1374
1375         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1376         * config/sol2-gld.h: ... here.
1377         * config.gcc (sparc*-*-solaris2*): Reflect this.
1378         (i[34567]86-*-solaris2*): Use it.
1379
1380 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1381
1382         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1383         setup_clocks_p.
1384         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1385
1386 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1387
1388         PR 42965
1389         * diagnostic.c (diagnostic_initialize): Initialize
1390         some_warnings_are_errors.
1391         (diagnostic_finish): New.
1392         (diagnostic_action_after_output): Call it before exiting.
1393         (diagnostic_report_diagnostic): Do not print message here. Set
1394         some_warnings_are_errors.
1395         * diagnostic.h (diagnostic_context): Delete
1396         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1397         (diagnostic_finish): Declare.
1398         * toplev.c (toplev_main): Call it before exit.
1399
1400 2010-04-09  Jason Merrill  <jason@redhat.com>
1401
1402         PR c++/42623
1403         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1404         for incomplete type.
1405
1406         PR c++/41788
1407         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1408         based on a warning flag.
1409
1410 2010-04-09  Richard Guenther  <rguenther@suse.de>
1411
1412         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1413
1414 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1415
1416         PR bootstrap/43684
1417         * varasm.c (default_assemble_visibility): Wrap vars that are
1418         set, but unused, by targets without GAS.
1419         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1420         Remove set, but unused, vars.
1421         (rs6000_legitimize_tls_address): Likewise.
1422         (altivec_expand_dst_builtin): Likewise.
1423         * config/darwin.c (machopic_classify_symbol): Likewise.
1424         (machopic_indirection_name): Likewise.
1425
1426 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1427
1428         * config/i386/i386.md (DWI): New mode iterator.
1429         (S): New mode attribute.
1430         (shift_operand): Ditto.
1431         (shift_immediate_operand): Ditto.
1432         (ashl_input_operand): Ditto.
1433         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1434         using SDWIM mode iterator.
1435         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1436         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1437         DWI mode iterator.
1438         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1439         from corresponding peephole2 patterns.
1440         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1441         and x86_64_shift_adj_1 using SWI48 mode iterator.
1442         (x86_shift<mode>_adj_2): Ditto.
1443         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1444         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1445         using SWI48 mode iterator.
1446         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1447         *ashldi3_cmp_rex64 using SWI mode iterator.
1448         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1449         *ashldi3_cconly_rex64 using SWI mode iterator.
1450         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1451         x86_shift<mode>_adj_{1,2}.
1452         (ix86_split_ashr): Ditto.
1453         (ix86_split_lshr): Ditto.
1454
1455 2010-04-09  Richard Guenther  <rguenther@suse.de>
1456
1457         * target.h (builtin_conversion): Pass in input and output types.
1458         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1459         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1460         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1461         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1462
1463         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1464         Handle AVX modes.
1465         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1466
1467 2010-04-09  Richard Guenther  <rguenther@suse.de>
1468
1469         PR target/43152
1470         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1471
1472 2010-04-09  Richard Guenther  <rguenther@suse.de>
1473
1474         * tree-vectorizer.h (struct _stmt_vec_info): Document
1475         that vectype is the type of the LHS.
1476         (supportable_widening_operation, supportable_narrowing_operation):
1477         Get both input and output vector types as arguments.
1478         (vect_is_simple_use_1): Declare.
1479         (get_same_sized_vectype): Likewise.
1480         * tree-vect-loop.c (vect_determine_vectorization_factor):
1481         Set STMT_VINFO_VECTYPE to the vector type of the def.
1482         (vectorizable_reduction): Adjust.
1483         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1484         Adjust.  Specify the output vector type.
1485         (vect_pattern_recog_1): Adjust.
1486         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1487         (vectorizable_call): Adjust.
1488         (vectorizable_conversion): Likewise.
1489         (vectorizable_operation): Likewise.
1490         (vectorizable_type_demotion): Likewise.
1491         (vectorizable_type_promotion): Likewise.
1492         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1493         the def.
1494         (vect_is_simple_use_1): New function.
1495         (supportable_widening_operation): Get both input and output
1496         vector types.
1497         (supportable_narrowing_operation): Likewise.
1498         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1499
1500 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1501
1502         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1503         __thiscall and _thiscall as predefined macros.
1504         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1505         thiscall attribute handling.
1506         (ix86_comp_type_attributes): Likewise.
1507         (ix86_function_regparm): Likewise.
1508         (ix86_return_pops_args): Likewise.
1509         (init_cumulative_args): Likewise.
1510         (find_drap_reg): Likewise.
1511         (ix86_static_chain): Likewise.
1512         (x86_this_parameter): Likewise.
1513         (x86_output_mi_thunk): Likewise.
1514         (ix86_attribute_table): Add description for thiscall attribute.
1515         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1516         * doc/extend.texi: Add documentation for thiscall.
1517
1518 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1519
1520         PR c++/28584
1521         * c.opt (Wint-to-pointer-cast): Available in C++.
1522         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1523
1524 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1525
1526         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1527         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1528         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1529         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1530         function type instead.  Reorder and simplify checks.
1531
1532         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1533
1534 2010-04-08  Jing Yu  <jingyu@google.com>
1535             Zdenek Dvorak  <ook@ucw.cz>
1536
1537         PR tree-optimization/42720
1538         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1539         loop unswitch conditions here from ...
1540         (tree_unswitch_single_loop): ... here.
1541
1542 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544         * tree-if-conv.c: Fix comments and simplify logic.
1545
1546 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1549         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1550         (main_tree_if_conversion): Update call to tree_if_conversion.
1551
1552 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1553
1554         PR 42485
1555         * doc/invoke.texi (-b,-V): Delete.
1556         * doc/tm.texi: Do not mention -b.
1557         * gcc.c (display_help): Delete -b and -V.
1558         (process_command): Delete -b and -V.
1559         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1560
1561 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1562             Wolfgang Gellerich  <gellerich@de.ibm.com>
1563
1564         Implement target hook for loop unrolling
1565         * target.h (loop_unroll_adjust): Add a new target hook function.
1566         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1567         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1568         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1569         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1570         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1571         target hook.
1572         (decide_unroll_stupid): Likewise.
1573
1574 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1575
1576         PR target/43643
1577         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1578
1579 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1580
1581         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1582         (Specific, *-*-solaris2*): Likewise.
1583         Don't prefer Sun as over GNU as.
1584
1585 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1586
1587         * config/s390/s390.c (override_options): Adjust the z10
1588           defaults for max-unroll-times, max-completely-peeled-insns
1589           and max-completely-peel-times.
1590
1591 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1592
1593         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1594         instructions for z10.
1595         (s390_expand_setmem): Likewise.
1596         (s390_expand_cmpmem): Likewise.
1597
1598 2010-04-08  Richard Guenther  <rguenther@suse.de>
1599
1600         PR tree-optimization/43679
1601         * tree-ssa-pre.c (eliminate): Only propagate copies.
1602
1603 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1604
1605         PR bootstrap/43681
1606         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1607         set but not used variable warning.
1608
1609 2010-04-08  Wei Guozhi  <carrot@google.com>
1610
1611         PR target/41653
1612         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1613         (arm_size_rtx_costs): Call the new function when optimized for size.
1614
1615 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1616
1617         PR debug/43670
1618         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1619         op0 is not a MEM, just return NULL instead of assertion
1620         failure.
1621         (discover_nonconstant_array_refs): Don't walk debug stmts.
1622
1623 2010-04-08  Doug Kwan  <dougkwan@google.com>
1624
1625         * configure.ac: Recognize gold and do not use its version number
1626         to test ld features.
1627         * configure: Regenerate.
1628
1629 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1630
1631         PR middle-end/40815
1632         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1633         (negate_value): Move code to push elements to broken_up_substracts ...
1634         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1635         negative pair to plus_negates.
1636         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1637
1638 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1639
1640         * doc/install.texi (Configuration): Move description of
1641         --enable-lto, --with-libelf*, --enable-gold from Java section to
1642         general section.
1643
1644         * doc/generic.texi (Working with declarations)
1645         (Function Properties, C and C++ Trees): Fix typos.
1646         * doc/sourcebuild.texi (Top Level): Likewise.
1647
1648 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1649
1650         PR c/18624
1651         * tree.h (DECL_READ_P): Define.
1652         (struct tree_decl_common): Add decl_read_flag.
1653         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1654         a set but not used warning.
1655         (merge_decls): Merge DECL_READ_P flag.
1656         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1657         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1658         * c-common.c (handle_used_attribute, handle_unused_attribute):
1659         Likewise.
1660         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1661         New prototypes.
1662         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1663         New functions.
1664         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1665         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1666         c_parser_binary_expression, c_parser_cast_expression,
1667         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1668         Call default_function_array_read_conversion instead of
1669         default_function_array_conversion where needed.
1670         (c_parser_unary_expression, c_parser_conditional_expression,
1671         c_parser_postfix_expression_after_primary, c_parser_initelt):
1672         Likewise.  Call mark_exp_read where needed.
1673         (c_parser_statement_after_labels, c_parser_asm_operands,
1674         c_parser_typeof_specifier, c_parser_sizeof_expression,
1675         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1676         where needed.
1677         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1678         New.
1679         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1680         (warn_unused_but_set_parameter): Default to warn_unused
1681         && extra_warnings.
1682         * doc/invoke.texi: Document -Wunused-but-set-variable and
1683         -Wunused-but-set-parameter.
1684
1685         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1686         used count variable.
1687         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1688         when operandN variables aren't used in the body of the expander
1689         or splitter.
1690         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1691         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1692         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1693         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1694         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1695         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1696         * tree.c (PROCESS_ARG): Likewise.
1697
1698 2010-04-07  Simon Baldwin  <simonb@google.com>
1699
1700         * diagnostic.h (diagnostic_override_option_index): New macro to
1701         set a diagnostic's option_index.
1702         * c-tree.h (c_cpp_error): Add warning reason argument.
1703         * opts.c (_warning_as_error_callback): New.
1704         (register_warning_as_error_callback): Store callback for
1705         warnings enabled via enable_warning_as_error.
1706         (enable_warning_as_error): Call callback, minor code tidy.
1707         * opts.h (register_warning_as_error_callback): Declare.
1708         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1709         response to -Werror=.
1710         (c_common_init_options): Register warning_as_error_callback in opts.c.
1711         * common.opt: Add -Wno-cpp option.
1712         * c-common.c (struct reason_option_codes_t): Map cpp warning
1713         reason codes to gcc option indexes.
1714         * (c_option_controlling_cpp_error): New function, lookup the gcc
1715         option index for a cpp warning reason code.
1716         * (c_cpp_error): Add warning reason argument, call
1717         c_option_controlling_cpp_error for diagnostic_override_option_index.
1718         * doc/invoke.texi: Document -Wno-cpp.
1719
1720 2010-04-07  Richard Guenther  <rguenther@suse.de>
1721
1722         * ipa-reference.c (mark_load): Use get_base_address.
1723         (mark_store): Likewise.
1724
1725         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1726         inserting GIMPLE_NOPs into the IL.
1727         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1728         Explicitly strip handled components and indirect references.
1729
1730         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1731         folding address expressions.
1732         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1733         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1734         operand_equal_p to compare decls.
1735         (ptr_deref_may_alias_decl_p): Likewise.
1736         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1737         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1738         Handle reversed comparison ops.
1739         * tree-sra.c (asm_visit_addr): Use get_base_address.
1740         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1741         * ipa-reference.c (mark_address): Use get_base_address.
1742
1743 2010-04-07  Richard Guenther  <rguenther@suse.de>
1744
1745         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1746         Propagate constants everywhere.
1747
1748 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1749
1750         PR debug/43516
1751         * tree.c (MAX_INT_CACHED_PREC): Define.
1752         (nonstandard_integer_type_cache): New array.
1753         (build_nonstandard_integer_type): Cache results for precision
1754         <= MAX_INT_CACHED_PREC.
1755
1756 2010-04-07  Richard Guenther  <rguenther@suse.de>
1757
1758         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1759         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1760         * common.opt: Likewise.
1761         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1762         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1763         (nonoverlapping_memrefs_p): Likewise.
1764         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1765         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1766         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1767         OPT_fargument_noalias_global for backward compatibility.
1768
1769 2010-04-07  Richard Guenther  <rguenther@suse.de>
1770
1771         PR tree-optimization/43270
1772         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1773         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1774         * tree-ssa-pre.c (phi_translate_1): Adjust.
1775         (fully_constant_expression): Split out vn_reference handling to ...
1776         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1777         Fold reads from constant strings.
1778         (vn_reference_lookup): Handle fully constant references.
1779         (vn_reference_lookup_pieces): Likewise.
1780         * Makefile.in (expmed.o-warn): Add -Wno-error.
1781
1782 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1783
1784         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1785
1786 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1787
1788         PR driver/41594
1789         * gcc.c: Add -static-libstdc++ to list of recognized options.
1790
1791 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1792
1793         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1794
1795 2010-04-07  Richard Guenther  <rguenther@suse.de>
1796
1797         PR middle-end/42617
1798         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1799         bases build simple mem attributes to retain points-to information.
1800
1801 2010-04-07  Richard Guenther  <rguenther@suse.de>
1802
1803         PR middle-end/42617
1804         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1805         preserve points-to related information.
1806
1807 2010-04-07  Richard Guenther  <rguenther@suse.de>
1808
1809         PR middle-end/42617
1810         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1811         discard plain indirect references.
1812         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1813         * tree.c (tree_nop_conversion): Likewise.
1814
1815 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1816
1817         PR debug/43628
1818         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1819
1820 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1821
1822         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1823         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1824
1825 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1826
1827         * tree-if-conv.c: Fix indentation and comments.
1828
1829 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1830
1831         * tree-if-conv.c: Sort static functions in topological order.
1832
1833 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1834
1835         * tree-if-conv.c: Fix indentation and comments.
1836
1837 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1838
1839         PR middle-end/43519
1840         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1841         lang_hooks.types.type_for_size instead of
1842         build_nonstandard_integer_type.
1843         When converting an unsigned type to signed, double its precision.
1844         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1845         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1846         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1847         use lb <= ub.
1848
1849 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1850
1851         PR middle-end/43519
1852         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1853         POINTER_PLUS_EXPR for pointer types.
1854
1855 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1856
1857         PR middle-end/43519
1858         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1859         * graphite-clast-to-gimple.c: Include langhooks.h.
1860         (max_signed_precision_type): New.
1861         (max_precision_type): Takes two types as arguments.
1862         (precision_for_value): New.
1863         (precision_for_interval): New.
1864         (gcc_type_for_interval): New.
1865         (gcc_type_for_value): New.
1866         (gcc_type_for_clast_term): New.
1867         (gcc_type_for_clast_red): New.
1868         (gcc_type_for_clast_bin): New.
1869         (gcc_type_for_clast_expr): Split up into several functions.
1870         (gcc_type_for_clast_eq): Rewritten.
1871         (compute_bounds_for_level): New.
1872         (compute_type_for_level_1): New.
1873         (compute_type_for_level): New.
1874         (gcc_type_for_cloog_iv): Removed.
1875         (gcc_type_for_iv_of_clast_loop): Rewritten.
1876         (graphite_create_new_loop): Compute the lower and upper bound types
1877         with gcc_type_for_clast_expr.
1878         (graphite_create_new_loop_guard): Same.
1879         (find_cloog_iv_in_expr): Removed.
1880         (compute_cloog_iv_types_1): Removed.
1881         (compute_cloog_iv_types): Removed.
1882         (gloog): Do not call compute_cloog_iv_types.
1883         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1884         GBB_CLOOG_IV_TYPES.
1885         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1886         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1887         (GBB_CLOOG_IV_TYPES): Removed.
1888
1889 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1890
1891         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1892         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1893         (detect_commutative_reduction): Same.
1894
1895 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1896
1897         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1898         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1899         argument.
1900         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1901         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1902         (rewrite_commutative_reductions_out_of_ssa): Same.
1903         * passes.c (execute_function_todo): Call verify_ssa for every pass
1904         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1905         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1906         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1907         with an extra argument.
1908         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1909         verify_ssa only when the extra argument is true.
1910         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1911         with an extra argument.
1912         (tree_transform_and_unroll_loop): Same.
1913
1914 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1915
1916         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1917         for all the passes of the LNO having LOOP_CLOSED_SSA.
1918         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1919         * tree-loop-distribution.c (pass_loop_distribution): Same.
1920         * tree-pass.h (TODO_verify_loops): Removed.
1921         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1922         (pass_lim): Same.
1923         (pass_tree_unswitch): Same.
1924         (pass_predcom): Same.
1925         (pass_vectorize): Same.
1926         (pass_linear_transform): Same.
1927         (pass_graphite_transforms): Same.
1928         (pass_iv_canon): Same.
1929         (pass_complete_unroll): Same.
1930         (pass_complete_unrolli): Same.
1931         (pass_parallelize_loops): Same.
1932         (pass_loop_prefetch): Same.
1933         (pass_iv_optimize): Same.
1934
1935 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1936
1937         PR middle-end/32824
1938         * passes.c (init_optimization_passes): Move pass_lim before
1939         pass_copy_prop and pass_dce_loop.
1940
1941 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1942
1943         PR target/43667
1944         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1945         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1946         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1947         MULTI_* defines for 4 argument vpermil2p* builtins.
1948
1949 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1950
1951         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1952         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1953         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1954         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1955         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1956         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1957         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1958         Use x86_maybe_negate_const_int to output insn mnemonic.
1959         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1960         check from instruction predicate.  Update comments.
1961         * config/i386/sync.md (sync_add<mode>): Use
1962         x86_maybe_negate_const_int to output insn mnemonic.
1963
1964 2010-04-06  Jan Hubicka  <jh@suse.cz>
1965
1966         PR tree-optimization/42906
1967         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1968         IGNORE_SELF argument.  Set visited_control_parents for fully
1969         processed BBs.
1970         (find_obviously_necessary_stmts): Update call of
1971         mark_control_dependent_edges_necessary.
1972         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
1973
1974 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1975
1976         * config/i386/i386.md: Remove comment about 'e' and 'E'
1977         operand modifier.
1978
1979 2010-04-06  Richard Guenther  <rguenther@suse.de>
1980
1981         PR tree-optimization/43627
1982         * tree-vrp.c (extract_range_from_unary_expr): Widenings
1983         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1984         not varying.
1985
1986 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1987
1988         * BASE-VER: Change to 4.6.0.
1989
1990         PR target/43638
1991         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1992         handling.
1993
1994 2010-04-06  Richard Guenther  <rguenther@suse.de>
1995
1996         PR middle-end/43661
1997         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1998
1999 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2000
2001         * doc/invoke.texi (Optimize Options): Document that LTO
2002         won't remove object access purely due to incompatible
2003         declarations.
2004
2005 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2006
2007         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2008         Initialize variable.
2009
2010 2010-04-03  Richard Guenther  <rguenther@suse.de>
2011
2012         PR middle-end/42509
2013         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2014         require a non-NULL MEM_OFFSET.
2015
2016 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2017
2018         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2019         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2020         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2021         config/alpha/predicates.md, config/arm/arm.md,
2022         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2023         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2024         config/darwin9.h, config/darwin.c, config/darwin.h,
2025         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2026         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2027         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2028         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2029         config/mips/mips.md, config/mn10300/mn10300.c,
2030         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2031         config/rs6000/aix.h, config/rs6000/dfp.md,
2032         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2033         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2034         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2035         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2036         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2037         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2038         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2039         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2040         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2041         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2042         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2043         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2044         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2045         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2046         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2047         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2048         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2049         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2050         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2051         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2052         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2053         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2054         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2055         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2056         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2057         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2058         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2059         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2060         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2061         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2062         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2063         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2064         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2065         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2066         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2067         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2068
2069 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2070
2071         PR other/43620
2072         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2073         * aclocal.m4: Regenerate.
2074
2075 2010-04-02  Richard Guenther  <rguenther@suse.de>
2076
2077         PR tree-optimization/43629
2078         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2079         if we have seen a constant value.
2080
2081 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2082
2083         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2084
2085 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2086
2087         PR target/43469
2088         * arm.c (legitimize_tls_address): Adjust call to
2089         gen_tls_load_dot_plus_four.
2090         (arm_note_pic_base): New function.
2091         (arm_cannot_copy_insn_p): Use it.
2092         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2093         constraint.
2094
2095 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2096
2097         PR bootstrap/43531
2098
2099         Revert:
2100         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2101
2102         * Makefile.in ($(out_object_file)): Depend on
2103         gt-$(basename $(notdir $(out_file))).h.
2104
2105 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2106
2107         * config.gcc (lm32-*-rtems*): Add t-lm32.
2108
2109 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2110
2111         * config.gcc: Add lm32-*-rtems*.
2112         * config/lm32/rtems.h: New file.
2113
2114 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2115
2116         PR target/42609
2117         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2118
2119 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2120
2121         * dwarf2out.c (output_compilation_unit_header): For
2122         -gdwarf-4 use version 4 instead of version 3.
2123         (output_line_info): For version 4 and above emit additional
2124         maximum ops per insn header field.
2125         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2126
2127         * dwarf2out.c (is_c_family, is_java): Remove.
2128         (lower_bound_default): New function.
2129         (add_bound_info, gen_descr_array_type_die): Use it.
2130
2131 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2132
2133         PR debug/43325
2134         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2135         re-declaration when it happens in a function.
2136
2137 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2138
2139         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2140         (cgraph_remove_function_insertion_hook): Same.
2141         (cgraph_call_function_insertion_hooks): Same.
2142
2143 2010-04-01  Richard Guenther  <rguenther@suse.de>
2144
2145         PR middle-end/43614
2146         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2147         and TREE_THIS_VOLATILE.
2148         (copy_ref_info): Likewise.
2149         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2150         * tree.c (build6_stat): Ignore side-effects of all but arg5
2151         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2152         TARGET_MEM_REF.
2153
2154 2010-04-01  Richard Guenther  <rguenther@suse.de>
2155
2156         PR tree-optimization/43607
2157         * ipa-type-escape.c (check_call): Do not access non-existing
2158         arguments.
2159
2160 2010-04-01  Richard Guenther  <rguenther@suse.de>
2161
2162         PR middle-end/43602
2163         Revert
2164         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2165                     Jack Howarth <howarth@bromo.med.uc.edu>
2166
2167         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2168         variables TLS.
2169
2170 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2171
2172         * doc/install.texi (Prerequisites): Document libelf usability on
2173         IRIX 5/6 and Solaris 2.
2174         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2175         Update GNU as, GNU ld requirements.
2176         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2177         Document Sun Studio compiler download.
2178         Update and simplify as, ld recommendations.
2179         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2180
2181 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2182
2183         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2184         with_tune_32 to pentium4.
2185
2186 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2187
2188         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2189
2190 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2191
2192         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2193         obsoletion, removal.
2194         Update IDO URL.
2195         Document GNU as requirement.
2196         Update configure requirements.
2197         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2198         Recomment IRIX 6.5.18+.
2199         Document IDF/IDL requirement.
2200         Document GNU as requirement.
2201         Document GNU ld bootstrap failure.
2202         Remove freeware.sgi.com reference.
2203
2204 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2205
2206         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2207         UNIX V4.0, V5.0 obsoletion, removal.
2208         Remove --with-gc=simple reference.
2209         Update VM requirements during bootstrap.
2210         Remove -oldas bootstrap description.
2211         Update binutils reference.
2212         Remove comparison failure note.
2213
2214 2010-03-31  Richard Guenther  <rguenther@suse.de>
2215             Zdenek Dvorak  <ook@ucw.cz>
2216             Sebastian Pop  <sebastian.pop@amd.com>
2217
2218         PR middle-end/43464
2219         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2220         with multiple arguments.
2221         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2222
2223 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2224
2225         * graphite-dependences.c (print_pddr): Call print_pdr with an
2226         extra argument.
2227         * graphite-poly.c (debug_pdr): Add an extra argument for the
2228         verbosity level.
2229         (print_pdr): Same.
2230         (print_pbb_domain): Same.
2231         (print_pbb): Same.
2232         (print_scop_context): Same.
2233         (print_scop): Same.
2234         (print_cloog): Same.
2235         (debug_pbb_domain): Same.
2236         (debug_pbb): Same.
2237         (print_pdrs): Same.
2238         (debug_pdrs): Same.
2239         (debug_scop_context): Same.
2240         (debug_scop): Same.
2241         (debug_cloog): Same.
2242         (print_scop_params): Same.
2243         (debug_scop_params): Same.
2244         (print_iteration_domain): Same.
2245         (print_iteration_domains): Same.
2246         (debug_iteration_domain): Same.
2247         (debug_iteration_domains): Same.
2248         (print_scattering_function): Same.
2249         (print_scattering_functions): Same.
2250         (debug_scattering_function): Same.
2251         (debug_scattering_functions): Same.
2252         * graphite-poly.h (debug_pdr): Update declaration.
2253         (print_pdr): Same.
2254         (print_pbb_domain): Same.
2255         (print_pbb): Same.
2256         (print_scop_context): Same.
2257         (print_scop): Same.
2258         (print_cloog): Same.
2259         (debug_pbb_domain): Same.
2260         (debug_pbb): Same.
2261         (print_pdrs): Same.
2262         (debug_pdrs): Same.
2263         (debug_scop_context): Same.
2264         (debug_scop): Same.
2265         (debug_cloog): Same.
2266         (print_scop_params): Same.
2267         (debug_scop_params): Same.
2268         (print_iteration_domain): Same.
2269         (print_iteration_domains): Same.
2270         (debug_iteration_domain): Same.
2271         (debug_iteration_domains): Same.
2272         (print_scattering_function): Same.
2273         (print_scattering_functions): Same.
2274         (debug_scattering_function): Same.
2275         (debug_scattering_functions): Same.
2276
2277 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2278
2279         * graphite-poly.c (print_scattering_function_1): New.
2280         (print_scattering_function): Call it.
2281         (print_scop_params): Remove spaces at the end of lines.
2282         (print_cloog): New.
2283         (debug_cloog): New.
2284         * graphite-poly.h (print_cloog): Declared.
2285         (debug_cloog): Declared.
2286
2287 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2288
2289         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2290         in loop->header.
2291         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2292         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2293         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2294         to switch between adding the IV bump in loop->latch or in loop->header.
2295
2296 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2297
2298         * graphite-poly.c (print_scattering_function): Pretty print following
2299         the scoplib format.
2300         (print_pdr): Same.
2301         (print_pbb_domain): Same.
2302         (dump_gbb_cases): Same.
2303         (dump_gbb_conditions): Same.
2304         (print_pdrs): Same.
2305         (print_pbb): Same.
2306         (print_scop_params): Same.
2307         (print_scop_context): Same.
2308         (print_scop): Same.
2309         (print_pbb_body): New.
2310         (lst_indent_to): New.
2311         (print_lst): Start new lines with a #.
2312         * graphite-poly.h (pbb_bb): New.
2313         (pbb_index): Use pbb_bb.
2314         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2315         disjuncts.
2316         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2317
2318 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2319
2320         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2321         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2322         and 0 instead of 1 for dw_val_class_flag.
2323         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2324         dw_val_class_range_list, dw_val_class_loc_list,
2325         dw_val_class_lineptr and dw_val_class_macptr, use
2326         DW_FORM_flag_present for dw_val_class_flag and
2327         DW_FORM_exprloc for dw_val_class_loc.
2328         (output_die): For -gdwarf-4 print dw_val_class_loc
2329         size as uleb128 instead of 1 or 2 bytes and don't print
2330         anything for dw_val_class_flag.
2331
2332         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2333         instead of cselib_lookup following by tweaking locs->setting_insn.
2334
2335         PR bootstrap/43596
2336         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2337         even before returning from label, setjmp call or volatile asm
2338         handling.
2339
2340 2010-03-31  Richard Guenther  <rguenther@suse.de>
2341
2342         PR middle-end/43600
2343         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2344         temporary data on stack.
2345
2346 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2347
2348         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2349         (PUSHSECTION_ASM_OP): Remove.
2350         (POPSECTION_ASM_OP): Remove.
2351         (PUSHSECTION_FORMAT): Remove.
2352         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2353         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2354         * config/sol2.c (solaris_output_init_fini): Use it.
2355
2356 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2357
2358         PR 43574
2359         * opt-functions.awk (var_type_struct): Use signed char type
2360         for simple variables.
2361
2362 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2363
2364         * config/sol2.c: Include output.h.
2365         (solaris_assemble_visibility): New function.
2366         * config/t-sol2 (sol2.o): Add output.h dependency.
2367         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2368         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2369         Redefine.
2370
2371 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2372
2373         PR target/43580
2374         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2375         V2SImode or XFmode on PRE_DEC.
2376
2377         PR debug/43557
2378         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2379         BLKmode.
2380
2381 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2382
2383         PR 43562
2384         * reload.h (caller_save_initialized_p): Declare.
2385         * toplev.c (backend_init_target): Don't call
2386         init_caller_save but set caller_save_initialized_p to false.
2387         * caller-save.c (caller_save_initialized_p): Define.
2388         (init_caller_save): Check caller_save_initialized_p.
2389         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2390
2391 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2392
2393         PR target/39048
2394         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2395         and soft-fp/t-softfp to tmake_file.
2396         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2397         (LIBGCC2_TF_CEXT): Define.
2398         (TF_SIZE): Define.
2399
2400 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2401
2402         PR debug/42977
2403         * cselib.c (n_useless_values): Document handling of debug locs.
2404         (n_useless_debug_values, n_debug_values): New variables.
2405         (new_elt_loc_list): Don't add to debug values, keep count.
2406         (promote_debug_loc): New.
2407         (cselib_reset_table): Zero new variables.
2408         (entry_and_rtx_equal_p): Promote debug locs.
2409         (discard_useless_locs): Increment n_useless_debug_values for
2410         debug values.
2411         (remove_useless_values): Adjust n_useless_values and n_debug_values
2412         with n_useless_debug_values.
2413         (add_mem_for_addr): Promote debug locs.
2414         (cselib_lookup_mem): Likewise.
2415         (cselib_lookup_addr): Renamed to...
2416         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2417         (cselib_log_lookup): ... this.  Turn into...
2418         (cselib_lookup_addr): ... new wrapper.
2419         (cselib_lookup_from_insn): New.
2420         (cselib_invalidate_regno): Increment n_useless_debug_values for
2421         debug values.
2422         (cselib_invalidate_mem): Likewise.
2423         (cselib_process_insn): Take n_deleted and n_debug_values into
2424         account to guard remove_useless_value call.
2425         (cselib_finish): Zero n_useless_debug_values.
2426         * cselib.h (cselib_lookup_from_insn): Declare.
2427         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2428         (sched_analyze_2): Likewise.
2429
2430 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2431
2432         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2433         functions.
2434         (adjust_mems): Replace narrowing SUBREG of expression containing
2435         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2436         with operations in the narrower mode.
2437
2438         PR debug/43593
2439         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2440         regs_invalidated_by_call instead all call_used_reg_set registers.
2441
2442 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2443
2444         PR middle-end/43430
2445         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2446         pointer comparisons with types_compatible_p.
2447         * tree-vect-stmts.c (vectorizable_call): Same.
2448         (vectorizable_condition): Same.
2449
2450 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2451
2452         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2453         stack check if the mask would be zero.
2454
2455 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2456             Jack Howarth <howarth@bromo.med.uc.edu>
2457
2458         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2459         variables TLS.
2460
2461 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2462
2463         PR other/25232
2464         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2465         and __unordtf2.
2466         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2467         Include ___unordxf2 and ___unordtf2.
2468         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2469         GCC_4.4.0 here.
2470
2471 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2472
2473         * config/lm32/t-lm32: New file.
2474         * config.gcc: Use the above file when targetting lm32.
2475
2476 2010-03-28  Duncan Sands  <baldrick@free.fr>
2477
2478         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2479
2480 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2481
2482         PR middle-end/43431
2483         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2484         Improve vectorization cost model diagnostic.
2485
2486 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2487
2488         PR middle-end/43436
2489         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2490         compute_data_dependences_for_loop returns false, early exit
2491         and output an extra diagnostic for the failed data reference
2492         analysis.
2493
2494 2010-03-29  Richard Guenther  <rguenther@suse.de>
2495
2496         PR tree-optimization/43560
2497         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2498         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2499
2500 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2501
2502         PR 43564
2503         * toplev.c (process_options): Set optimization_default_node
2504         and optimization_current_node.
2505         * opts.c (decode_options): Don't set optimization_default_node
2506         and optimization_current_node.
2507
2508 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2509
2510         * config/rtems.h: Abandon -qrtems_debug.
2511
2512 2010-03-28  Jan Hubicka  <jh@suse.cz>
2513
2514         PR tree-optimization/43505
2515         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2516         map should not be copied.
2517
2518 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2519
2520         PR middle-end/41674
2521         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2522         cdtors, set DECL_PRESERVE_P.
2523         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2524         should be preseved.
2525
2526 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2527
2528         PR tree-optimization/43528
2529         * stor-layout.c (place_field): Check that constant fits into
2530         unsigned HWI when skipping calculation of MS bitfield layout.
2531
2532 2010-03-27  Jan Hubicka  <jh@suse.cz>
2533
2534         PR middle-end/43391
2535         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2536         notice_global_symbol work.
2537
2538 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2539
2540         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2541         instead of dwarf2out_decl.
2542         (struct var_loc_node): Remove section_label field.
2543         (dwarf2out_function_decl): New function.
2544         (dwarf2out_var_location): Don't set section_label field.
2545         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2546
2547 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2548
2549         PR tree-optimization/43544
2550         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2551         First argument for builtin vectorized function hook is now a
2552         tree to be able to distinguish between machine specific and
2553         standard builtins.
2554         * targhooks.c (default_builtin_vectorized_function): Ditto.
2555         * targhooks.h (default_builtin_vectorized_function): Ditto.
2556         * target.h (struct gcc_target): Ditto.
2557         * tree-vect-stmts.c (vectorizable_function): Ditto.
2558         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2559         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2560         Ditto.
2561
2562 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2563
2564         PR c/43381
2565         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2566         nested binding iff it is a FUNCTION_DECL.
2567         (store_parm_decls_newstyle): Pass nested=true to bind for
2568         FUNCTION_DECLs amongst parameters.
2569
2570 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2571
2572         * var-tracking.c (vt_expand_loc_callback): Don't run
2573         cselib_expand_value_rtx_cb in dummy mode if
2574         cselib_dummy_expand_value_rtx_cb returned false.
2575
2576         * var-tracking.c (emit_note_insn_var_location): For one part
2577         notes with offset 0, don't add EXPR_LIST around the location.
2578         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2579         add_location_or_const_value_attribute): Adjust for that change.
2580
2581         PR debug/43540
2582         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2583         into first operand and location into second.
2584         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2585         dw_cfi_oprnd_loc for DW_CFA_expression.
2586         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2587         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2588         assume first argument is regnum and second argument is location.
2589
2590 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2591
2592         PR target/42113
2593         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2594         of scratch register to DImode.  Split to DImode comparison operator.
2595         Use SImode subreg of scratch register in the multiplication.
2596         (*cmp_sadd_sidi): Ditto.
2597         (*cmp_ssub_si): Ditto.
2598         (*cmp_ssub_sidi): Ditto.
2599
2600 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2601
2602         PR target/43524
2603         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2604         Remove invalid assert and wrong comment.
2605
2606 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2607
2608         PR debug/43516
2609         * flags.h (final_insns_dump_p): New extern.
2610         * final.c (final_insns_dump_p): New variable.
2611         (rest_of_clean_state): Set it before -fdump-final-insns=
2612         dumping, clear afterwards.
2613         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2614         MEM_ALIAS_SET on MEMs.
2615
2616 2010-03-26  David S. Miller  <davem@davemloft.net>
2617
2618         * configure.ac: Fix sparc GOTDATA_OP bug check.
2619         * configure: Rebuild.
2620
2621 2010-03-26  Alan Modra  <amodra@gmail.com>
2622
2623         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2624
2625 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2626
2627         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2628         TLS_SECTION_ASM_FLAG.
2629
2630 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2631
2632         PR bootstrap/43511
2633         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2634         Clear first_function_block_is_cold.
2635
2636         PR c/43385
2637         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2638         argument if the argument is truth_value_p.
2639
2640 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2641
2642         * config/rs6000/constraints.md: Update copyright year for my changes.
2643
2644         PR target/43484
2645         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2646         used in reg+reg addressing, swap registers.
2647
2648 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2649
2650         PR debug/43293
2651         * target.h (struct gcc_target): Add code_end hook.
2652         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2653         if not yet defined.
2654         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2655         * toplev.c (compile_file): Call targetm.asm_out.code_end
2656         hook before unwind info/debug info output.
2657         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2658         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2659         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2660         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2661         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2662         * config/i386/i386.c (ix86_file_end): Renamed to...
2663         (ix86_code_end): ... this.  Make static.  Don't call
2664         file_end_indicate_exec_stack.  Emit unwind info using
2665         final_start_function/final_end_function.
2666         (darwin_x86_file_end): Remove.
2667         (TARGET_ASM_CODE_END): Define.
2668         * config/i386/i386.h (TARGET_ASM_FILE_END,
2669         NEED_INDICATE_EXEC_STACK): Don't define.
2670         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2671         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2672         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2673         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2674
2675         PR target/43498
2676         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2677         at the beginning and final_end_function at the end.
2678         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2679
2680 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2681
2682         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2683         and Sun as TLS syntax.
2684         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2685         * configure: Regenerate.
2686         * config.in: Regenerate.
2687         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2688         (default_elf_asm_named_section): Use it.
2689         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2690         (i386_output_dwarf_dtprel): Likewise.
2691         (output_addr_const_extra): Likewise.
2692         (output_pic_addr_const): Lowercase @GOTTPOFF.
2693         (output_addr_const_extra): Likewise.
2694         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2695         (output_addr_const_extra): Likewise.
2696         (output_pic_addr_const): Lowercase @INDNTPOFF.
2697         (output_addr_const_extra): Likewise.
2698         (output_pic_addr_const): Lowercase @NTPOFF.
2699         (output_addr_const_extra): Likewise.
2700         (output_pic_addr_const): Lowercase @TPOFF.
2701         (output_addr_const_extra): Likewise.
2702         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2703         (*tls_global_dynamic_64): Likewise.
2704         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2705         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2706
2707         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2708         (ASM_OUTPUT_TLS_COMMON): Use it.
2709         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2710
2711         PR target/38118
2712         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2713         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2714         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2715         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2716         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2717         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2718
2719 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2720
2721         * config/i386/i386.c (override_options): Don't accept
2722         -mtls-dialect=sun any longer.
2723         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2724         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2725         (*tls_local_dynamic_base_32_sun): Likewise.
2726         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2727
2728 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2729
2730         PR debug/43508
2731         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2732         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2733
2734         PR debug/43479
2735         * ira.c (adjust_cleared_regs): New function.
2736         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2737
2738         PR debug/19192
2739         PR debug/43479
2740         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2741         from gimple_block.
2742         * expr.c (expand_expr_real): Restore previous
2743         curr_insn_source_location and curr_insn_block after
2744         expand_expr_real_1 call.
2745         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2746         instead of expand_expr_real_1.
2747
2748 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2749
2750         PR rtl-optimization/43413
2751         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2752         hard regs too.
2753
2754 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2755
2756         PR target/43348
2757         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2758         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2759
2760 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2761
2762         * config/i386/i386.c (ix86_target_string): Add -mfma.
2763         Fix a typo in comment.
2764
2765 2010-03-22  Mike Stump  <mikestump@comcast.net>
2766
2767         PR target/23071
2768         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2769         Don't overly align based upon packed packed fields.
2770
2771 2010-03-22  Jason Merrill  <jason@redhat.com>
2772
2773         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2774         Use () rather than [], and move before the element type.
2775
2776 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2777
2778         * doc/configfiles.texi (Configuration Files): Removed
2779         fixinc/Makefile*, intl/Makefile.*.
2780         * doc/makefile.texi: Fixed markup. Abstract from version
2781         control system used.
2782         (Makefile): Removed obsolete gcc/java/parse.y example.
2783         * doc/sourcebuild.texi: Likewise.
2784         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2785         libgomp, libssp.  Removed fastjar.
2786         (Miscellaneous Docs): Clarify location.
2787         Added COPYING3, COPYING3.LIB.
2788         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2789
2790 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2791
2792         PR target/38085
2793         * config/i386/i386.c (x86_function_profiler)
2794         [!NO_PROFILE_COUNTERS]: Fix typo.
2795         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2796         instead of callq.
2797
2798 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2799             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2800
2801         * doc/sourcebuild.texi (Test Directives): Split into six
2802         subsections, with most of the current text in new subsections
2803         Directives, Selectors, and Final Actions.
2804         (Directives): Split list of test directives into multiple
2805         subsubsections.
2806         (Selectors): Describe use and syntax of selectors.
2807         (Effective-Target Keywords): Describe all existing keywords.
2808         (Add Options): Describe features for dg-add-options.
2809         (Require Support): Describe variants of dg-require-support.
2810         (Final Actions): Describe commands to use in dg-final.
2811
2812 2010-03-22  Michael Matz  <matz@suse.de>
2813
2814         PR middle-end/43475
2815         * recog.c (validate_replace_rtx_group): Replace also in
2816         REG_EQUAL and REG_EQUIV notes.
2817
2818 2010-03-22  Richard Guenther  <rguenther@suse.de>
2819
2820         PR tree-optimization/43390
2821         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2822         sure vector extracts are type correct.
2823
2824 2010-03-22  Richard Guenther  <rguenther@suse.de>
2825
2826         PR middle-end/40106
2827         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2828         x * sqrt (x) even when optimizing for size if the target
2829         has native support for sqrt.
2830
2831 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2832
2833         * varasm.c (make_decl_rtl_for_debug): Also clear
2834         flag_mudflap for the duration of make_decl_rtl call.
2835
2836         PR debug/43443
2837         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2838         locs from preserved VALUEs.
2839
2840 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2841
2842         PR middle-end/42718
2843         * pa.md (movmemsi): Set align to one if zero.
2844         (movmemdi): Likewise.
2845
2846 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2847
2848         PR target/42321
2849         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2850         with their corresponding prologue pushes.
2851
2852 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2853
2854         PR target/43156
2855         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2856         at the begining or end.
2857         (spu_expand_epilogue): Likewise.
2858
2859 2010-03-20  Richard Guenther  <rguenther@suse.de>
2860
2861         PR rtl-optimization/43438
2862         * combine.c (make_extraction): Properly zero-/sign-extend an
2863         extraction of the low part of a CONST_INT.  Also handle
2864         CONST_DOUBLE.
2865
2866 2010-03-19  Mike Stump  <mikestump@comcast.net>
2867
2868         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2869         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2870         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2871
2872 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2873
2874         PR c/43211
2875         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2876         an error.
2877
2878 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2879
2880         PR rtl-optimization/42258
2881         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2882         use that may match DEF.
2883
2884         PR target/40697
2885         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2886         the cost of loading the constant rather than assuming
2887         COSTS_N_INSNS (1).
2888         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2889         outer code is AND, do the same tests as the andsi3 expander and
2890         return COSTS_N_INSNS (1) if and is cheap.
2891
2892         * optabs.c (avoid_expensive_constant): Fix formatting.
2893
2894 2010-03-19  Michael Matz  <matz@suse.de>
2895
2896         PR c++/43116
2897         * attribs.c (decl_attributes): When rebuilding a function pointer
2898         type use the same qualifiers as the original pointer type.
2899
2900 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2901
2902         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2903         and is_gimple_ip_invariant_address.
2904
2905 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2906
2907         Revert
2908         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2909
2910         * config/arm/arm.c (arm_override_options): Turn off
2911         flag_dwarf2_cfi_asm for AAPCS variants.
2912
2913 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2914
2915         PR target/43399
2916         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2917         Use PRE_MODIFY instead of PRE_DEC.
2918         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2919         (vfp_emit_fstmd): Likewise.
2920
2921 2010-03-19  Michael Matz  <matz@suse.de>
2922
2923         PR target/43305
2924         * builtins.c (expand_builtin_interclass_mathfn,
2925         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2926         if that fails.
2927
2928 2010-03-19  Richard Guenther  <rguenther@suse.de>
2929
2930         PR tree-optimization/43415
2931         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2932         (phi_translate_1): ... this.
2933         (phi_translate): Move all caching here.  Cache all NARY
2934         and REFERENCE translations.
2935
2936 2010-03-19  David S. Miller  <davem@davemloft.net>
2937
2938         With help from Eric Botcazou.
2939         * config/sparc/sparc.c: Include dwarf2out.h.
2940         (emit_pic_helper): Delete.
2941         (pic_helper_symbol_name): Delete.
2942         (pic_helper_emitted_p): Delete.
2943         (pic_helper_needed): New.
2944         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2945         (get_pc_thunk_name): New.
2946         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2947         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2948         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2949         (sparc_expand_prologue): Update load_pic_register call.
2950         (sparc_output_mi_thunk): Likewise.
2951         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2952         thunk if possible.  Output CFI information as needed.
2953
2954 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2955             Jack Howarth <howarth@bromo.med.uc.edu>
2956
2957         PR target/36399
2958         * config/i386/i386.h: Fix ABI on darwin x86-32.
2959
2960 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2961
2962         * tree.h: Declare make_decl_rtl_for_debug.
2963         * varasm.c (make_decl_rtl_for_debug): New.
2964         * dwarf2out.c (rtl_for_decl_location): Call it.
2965         * cfgexpand.c (expand_debug_expr): Call it.
2966
2967 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2968
2969         PR bootstrap/43399
2970         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2971         mem_mode.
2972
2973         PR bootstrap/43403
2974         * var-tracking.c (vt_init_cfa_base): Do nothing if
2975         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2976
2977 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
2978
2979         PR debug/42873
2980         * var-tracking.c (canonicalize_vars_star): New.
2981         (dataflow_post_merge_adjust): Use it.
2982
2983 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2984
2985         PR debug/43058
2986         * var-tracking.c (non_suitable_const): New function.
2987         (add_uses): For DEBUG_INSNs with constants, don't record any
2988         value, instead just the constant value itself.
2989         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2990         is not VAR_LOC_UNKNOWN_P, set var to the constant.
2991         (emit_notes_in_bb): Likewise.
2992         (emit_note_insn_var_location): For onepart variables if
2993         cur_loc is a VOIDmode constant, use DECL_MODE.
2994
2995 2010-03-18  Martin Jambor  <mjambor@suse.cz>
2996
2997         PR middle-end/42450
2998         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2999         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3000         all non-clones.  Moved call redirection...
3001         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3002         (cgraph_materialize_all_clones): Dispose of all
3003         combined_args_to_skip bitmaps.
3004         (verify_cgraph_node): Do not check for edges pointing to wrong
3005         nodes in inline clones.
3006         * tree-inline.c (copy_bb): Call
3007         cgraph_redirect_edge_call_stmt_to_callee.
3008         * ipa.c (cgraph_remove_unreachable_nodes): Call
3009         cgraph_node_remove_callees even when there are used clones.
3010
3011 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3012
3013         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3014
3015 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3016
3017         PR target/43383
3018         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3019         for 32bit.
3020
3021 2010-03-18  Michael Matz  <matz@suse.de>
3022
3023         PR middle-end/43419
3024         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3025         into sqrt(x) if we need to preserve signed zeros.
3026
3027 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3028             Eric Botcazou  <ebotcazou@adacore.com>
3029
3030         PR rtl-optimization/43360
3031         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3032         note if we don't know its invariant status.
3033
3034 2010-03-18  Michael Matz  <matz@suse.de>
3035
3036         PR tree-optimization/43402
3037         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3038         PHI chains of ssa names registered for update.
3039
3040 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3041
3042         PR target/42427
3043         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3044         non-offsettable and pre_modify update addressing.
3045         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3046         and "2" alternatives "#".
3047         (*movdd_softfloat32): Make all alternatives "#";
3048         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3049         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3050         (*movdf_softfloat32): Make all alternatives "#";
3051         (movdi): Use the new DIFD mode iterator to create a common splitter
3052         for movdi, movdf and movdd patterns.
3053
3054 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3055
3056         * common.opt (dumpdir): Remove redundant tab.
3057
3058 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3059
3060         PR tree-optimization/43347
3061         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3062         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3063
3064 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3065
3066         PR rtl-optimization/42216
3067         * regrename.c (create_new_chain): New function, broken out from...
3068         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3069         appending a use to an empty chain.
3070         (build_def_use): Remove previous changes that convert OP_INOUT to
3071         OP_OUT operands; instead detect the case where an OP_INOUT operand
3072         uses a previously untracked register and create an empty chain for it.
3073
3074 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3075
3076         * doc/extend.texi (Function Attributes): Rewrite unfinished
3077         sentence in ms_abi documentation.
3078
3079 2010-03-17  Alan Modra  <amodra@gmail.com>
3080
3081         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3082         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3083         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3084         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3085
3086 2010-03-16  Richard Henderson  <rth@redhat.com>
3087
3088         PR middle-end/43365
3089         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3090         (lower_try_finally): Save and restore eh_seq around the expansion
3091         of the try-finally.
3092
3093 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3094
3095         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3096         statements before splitting block.
3097
3098 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3099
3100         * doc/sourcebuild.texi (Testsuites): Fix markup.
3101         Use pathnames relative to gcc/testsuite.
3102         (Test Directives): Move description of how timeout is determined.
3103         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3104         (C Tests): Correct gcc.misc-tests directory.
3105         Framework tests now live in gcc.test-framework.
3106
3107 2010-03-16  Richard Guenther  <rguenther@suse.de>
3108
3109         PR middle-end/43379
3110         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3111         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3112
3113 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3114             Alexandre Oliva  <aoliva@redhat.com>
3115
3116         PR tree-optimization/42917
3117         * lambda-code.c (remove_iv): Skip debug statements.
3118         (lambda_loopnest_to_gcc_loopnest): Likewise.
3119         (not_interesting_stmt): Debug statements are not interesting.
3120
3121 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3122
3123         PR debug/43051
3124         PR debug/43092
3125         * cselib.c (cselib_preserve_constants,
3126         cfa_base_preserved_val): New static variables.
3127         (preserve_only_constants): New function.
3128         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3129         clear its REG_VALUES.  If cselib_preserve_constants, don't
3130         empty the whole hash table, but preserve there VALUEs with constants,
3131         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3132         (cselib_preserve_cfa_base_value): New function.
3133         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3134         (cselib_init): Change argument to int bitfield.  Set
3135         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3136         is in it.
3137         (cselib_finish): Clear cselib_preserve_constants and
3138         cfa_base_preserved_val.
3139         * cselib.h (enum cselib_record_what): New enum.
3140         (cselib_init): Change argument to int.
3141         (cselib_preserve_cfa_base_value): New prototype.
3142         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3143         * dse.c (dse_step1): Likewise.
3144         * cfgcleanup.c (thread_jump): Likewise.
3145         * sched-deps.c (sched_analyze): Likewise.
3146         * gcse.c (local_cprop_pass): Likewise.
3147         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3148         If FN is non-NULL, call the callback always and whenever it returns
3149         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3150         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3151         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3152         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3153         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3154         * var-tracking.c: Include recog.h.
3155         (bb_stack_adjust_offset): Remove.
3156         (vt_stack_adjustments): Don't call it, instead just gather the
3157         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3158         (adjust_stack_reference): Remove.
3159         (compute_cfa_pointer): New function.
3160         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3161         (struct adjust_mem_data): New type.
3162         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3163         functions.
3164         (get_address_mode): New function.
3165         (replace_expr_with_values): Use it.
3166         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3167         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3168         (adjust_sets): Remove.
3169         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3170         Use get_address_mode.
3171         (get_adjusted_src): Remove.
3172         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3173         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3174         (add_with_sets): Don't call adjust_sets.
3175         (fp_setter, vt_init_cfa_base): New functions.
3176         (vt_initialize): Change return type to bool.  Move most of pool etc.
3177         initialization to the beginning of the function from end.  Pass
3178         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3179         If !frame_pointer_needed, call vt_stack_adjustment before mos
3180         vector is filled, call vt_init_cfa_base if argp/framep has been
3181         eliminated to sp.  If frame_pointer_needed and argp/framep has
3182         been eliminated to hard frame pointer, set
3183         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3184         encountering fp setter in the prologue.  For MO_ADJUST, call
3185         log_op_type before pusing the op into mos vector, not afterwards.
3186         Call adjust_insn before cselib_process_insn/add_with_sets,
3187         call cancel_changes (0) afterwards.
3188         (variable_tracking_main_1): Adjust for vt_initialize calling
3189         vt_stack_adjustments and returning whether it succeeded or not.
3190
3191 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3192
3193         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3194         debug statements.
3195
3196 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3197
3198         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3199         has been set.
3200         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3201         drap_reg has not been set.
3202
3203 2010-03-15  Michael Matz  <matz@suse.de>
3204
3205         PR middle-end/43300
3206         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3207         use it to expand block copies.
3208         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3209         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3210         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3211
3212 2010-03-15  Richard Guenther  <rguenther@suse.de>
3213
3214         PR tree-optimization/43367
3215         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3216         elimination check.
3217
3218 2010-03-15  Richard Guenther  <rguenther@suse.de>
3219
3220         PR tree-optimization/43317
3221         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3222
3223 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3224
3225         PR tree-optimization/43141
3226         * tree-sra.c (create_abstract_origin): New function.
3227         (modify_function): Call create_abstract_origin.
3228
3229 2010-03-15  Chris Demetriou  <cgd@google.com>
3230
3231         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3232         wasn't copied.
3233
3234 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3235
3236         PR middle-end/43354
3237         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3238         call insert_out_of_ssa_copy for default definitions.
3239
3240 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3241
3242         * graphite-clast-to-gimple.c (my_long_long): Defined.
3243         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3244         * graphite-sese-to-poly.c (my_long_long): Defined.
3245         (scop_ivs_can_be_represented): Use it.
3246
3247 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3248
3249         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3250         graphite-max-bbs-per-function, and loop-block-tile-size.
3251         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3252         with "maximum".
3253         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3254
3255 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3256
3257         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3258         forward declaration.
3259         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3260         (add_upper_bounds_from_estimated_nit): New.
3261         (build_loop_iteration_domains): Use it.
3262
3263 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3264
3265         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3266
3267 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3268
3269         PR middle-end/43306
3270         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3271         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3272
3273 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3274
3275         * graphite.c (graphite_initialize): To bound the number of bbs per
3276         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3277         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3278         * doc/invoke.texi: Document it.
3279
3280 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3281
3282         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3283         * graphite-sese-to-poly.h (build_poly_scop): Same.
3284
3285 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3286
3287         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3288         the number of parameters in the scop.  Use as an upper bound
3289         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3290         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3291         * doc/invoke.texi: Document it.
3292
3293 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3294
3295         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3296         * doc/c-tree.texi: Remove.
3297         * doc/generic.texi: Merge c-tree.texi here.
3298         * doc/gccint.texi (Trees): Remove menu entry.
3299         (c-tree.texi): Remove @include.
3300         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3301         * doc/languages.texi (Reading RTL): Ditto.
3302
3303 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3304
3305         PR target/42869
3306         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3307
3308 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3309
3310         PR middle-end/42431
3311         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3312         code added to work around reload clobbering CONST insns.
3313
3314 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3315
3316         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3317         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3318         (cselib_preserve_only_values): Remove retain argument, don't
3319         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3320         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3321         * var-tracking.c (micro_operation): Move insn field before union.
3322         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3323         (struct variable_tracking_info_def): Remove n_mos field, change
3324         mos into a vector of micro_operations.
3325         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3326         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3327         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3328         changing into a vector.
3329         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3330         come before all other uops generated by add_stores.
3331         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3332         argument removal.
3333         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3334         a vector.  Run just one pass over the bbs instead of separate counting
3335         and computation phase.
3336         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3337
3338         PR debug/43329
3339         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3340         into *nonlocalized_list vector.
3341         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3342         even if origin is non-NULL.
3343         (gen_variable_die): Likewise.
3344         (process_scope_var): Don't change origin.
3345         (gen_decl_die): Likewise.
3346         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3347         before adding new edges instead of after it, fix moving over
3348         debug stmts.
3349
3350 2010-03-11  David S. Miller  <davem@davemloft.net>
3351
3352         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3353         of four.
3354         * configure: Rebuild.
3355
3356 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3357
3358         PR tree-optimization/43257
3359         * tree.c (assign_assembler_name_if_neeeded): New function.
3360         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3361         above new function.
3362         * tree.h (assign_assembler_name_if_neeeded): Declare.
3363         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3364         the function if needed.
3365
3366 2010-03-11  Chris Demetriou  <cgd@google.com>
3367
3368         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3369         include/stdint-gcc.h, and include/stdint.h world-readable.
3370
3371 2010-03-11  Richard Guenther  <rguenther@suse.de>
3372
3373         PR tree-optimization/43255
3374         * tree-vrp.c (process_assert_insertions_for): Do not insert
3375         asserts for trivial conditions.
3376
3377 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3378
3379         PR tree-optimization/43280
3380         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3381         generation.  Move calculation of size out of the if branch.
3382         (find_bswap): Modify compare number generation.
3383
3384 2010-03-11  Richard Guenther  <rguenther@suse.de>
3385
3386         PR lto/43200
3387         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3388         (input_gimple_stmt): Fixup handled component types during
3389         operand read.  Also fix up decls in ADDR_EXPRs.
3390
3391 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3392
3393         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3394         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3395
3396 2010-03-10  Jan Hubicka  <jh@suse.cz>
3397
3398         PR c/43288
3399         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3400         * varasm.c (get_variable_section): Don't do that here...
3401         (make_decl_rtl): ... and here.
3402         (do_assemble_alias): Produce decl RTL.
3403         (assemble_alias): Likewise.
3404
3405 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3406
3407         PR debug/43290
3408         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3409         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3410         of fde->vdrap_reg.
3411         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3412         (based_loc_descr): Only express drap or vdrap regno based expressions
3413         using DW_OP_fbreg when not optimizing.
3414         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3415         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3416         REG_CFA_SET_VDRAP note.
3417
3418 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3419
3420         PR tree-optimization/43236
3421         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3422         error in calculation of base address in reverse iteration case.
3423         (generate_builtin): Take number of latch executions if the statement
3424         is in the latch.
3425
3426 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3427
3428         PR middle-end/42859
3429         * tree-eh.c: Include pointer-set.h.
3430         (lower_eh_dispatch): Filter out duplicate case labels and
3431         remove the unneeded edge when the label is unused.  Return
3432         true when some edges are removed.
3433         (execute_lower_eh_dispatch): When any lowering resulted in
3434         removing an edge, also delete unreachable blocks.
3435
3436 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3437
3438         PR bootstrap/43287
3439         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3440         UNSPEC_MACHOPIC_OFFSET.
3441
3442 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3443
3444