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* builtins.c (fold_builtin_cproj): Fold more cases.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2
3         * builtins.c (fold_builtin_cproj): Fold more cases.
4
5 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6
7         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
8         (fold_builtin_1): Fold builtin cproj.
9         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
10         Use ATTR_CONST_NOTHROW_LIST.
11
12 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
13
14         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
15         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
16         ffsi2_no_cmove for !TARGET_CMOVE.
17         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
18         (ffssi2): Remove expander.
19         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
20         mode iterator.
21         (ctz<mode>2): Ditto from ctz{si,di}2.
22         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
23         mode iterator.
24         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
25         mode iterator.
26
27 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
28
29         * dwarf2out.c (AT_linkage_name): Define.
30         (clone_as_declaration): Handle DW_AT_linkage_name.
31         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
32         of DW_AT_MIPS_linkage_name.
33         (move_linkage_attr): Likewise.
34         (dwarf2out_finish): Likewise.
35
36 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
37
38         PR middle-end/41952
39         * fold-const.c (fold_comparison): New folding rule.
40
41 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
42
43         * double-int.h (double_int_setbit): Declare.
44         * double-int.c (double_int_setbit): New function.
45         * rtl.h (immed_double_int_const): Declare.
46         * emit-rtl.c (immed_double_int_const): New function.
47         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
48         and immed_double_int_const functions.
49         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
50         expand_copysign_bit):  (Ditto.).
51         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
52         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
53         * dojump.c (prefer_and_bit_test): (Ditto.).
54         * expr.c (convert_modes, reduce_to_bit_field_precision,
55         const_vector_from_tree): (Ditto.).
56         * expmed.c (mask_rtx, lshift_value): (Ditto.).
57
58 2010-04-20  Jan Hubicka  <jh@suse.cz>
59
60         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
61         (dump_cgraph_node): Dump new flags.
62         * cgraph.h (struct cgraph_node): Add flags
63         reachable_from_other_partition and in_other_partition.
64         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
65         other partition can not be removed.
66         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
67         the other partition must be output; silence sanity checking on
68         leaking functions bodies from other paritition.
69         * lto-cgraph.c (reachable_from_other_partition_p): New function.
70         (lto_output_node): Output new flags; do not sanity check that inline
71         clones are output; drop lto_forced_extern_inline_p code; do not mock
72         visibility flags at partition boundaries.
73         (add_node_to): New function.
74         (output_cgraph): Use it to sort functions so masters appear before
75         clones.
76         (input_overwrite_node): Input new flags.
77         * passes.c (ipa_write_summaries): Do not call
78         lto_new_extern_inline_states.
79         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
80         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
81         lto_forced_extern_inline_p): Kill.
82         * lto-streamer.h (lto_new_extern_inline_states,
83         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
84         lto_forced_extern_inline_p): Kill.
85
86 2010-04-20  Richard Guenther  <rguenther@suse.de>
87
88         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
89         from vars that can have pointers.
90         (process_constraint): Dump useless constraints.
91
92 2010-04-20  Richard Guenther  <rguenther@suse.de>
93
94         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
95         (dump_sa_points_to_info): Remove asserts.
96         (init_base_vars): nothing_id isn't an escape point nor does it
97         have pointers.
98
99 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
100
101         * tree.h (TYPE_REF_IS_RVALUE): Define.
102         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
103         should_move_die_to_comdat, prune_unused_types_walk): Handle
104         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
105         (modified_type_die, gen_reference_type_die): Emit
106         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
107         if TYPE_REF_IS_RVALUE and -gdwarf-4.
108
109 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
110
111         PR target/43635
112         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
113         calls for -fpic -m31 if they have been sibcall optimized.
114
115 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
116
117         PR rtl-optimization/43520
118         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
119         ar.lc fixed and call-used.
120
121         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
122
123 2010-04-19  Jan Hubicka  <jh@suse.cz>
124
125         * opts.c (decode_options): Disable whpr incompatible passes.
126         * lto/lto.c (lto_1_to_1_map): Skip clones.
127         (read_cgraph_and_symbols): Do not mark everything as needed.
128         (do_whole_program_analysis): Do map only after optimizing;
129         set proper cgraph_state; use passmanager.
130
131 2010-04-19  DJ Delorie  <dj@redhat.com>
132
133         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
134         POINTER_PLUS_EXPR and fix them.
135
136 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
137
138         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
139         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
140         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
141         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
142         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
143         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
144         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
145         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
146         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
147         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
148         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
149
150 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
151
152         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
153         (check_cond_move_block): Likewise.
154         (cond_move_process_if_block): Likewise.
155         (noce_find_if_block): Improve formatting.
156         (find_if_header): Pass 0 to memset and tweak conditions.
157         (cond_exec_find_if_block): Fix long lines and tweak conditions.
158
159 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
160
161         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
162         for -gdwarf-4.
163
164         PR middle-end/43337
165         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
166         with non-local decl doesn't need chain.
167
168 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
169
170         * ira-color.c (allocno_reload_assign): Avoid accumulating
171         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
172
173 2010-04-19  Martin Jambor  <mjambor@suse.cz>
174
175         * gimple.h (create_tmp_reg): Declare.
176         * gimplify.c (create_tmp_reg): New function.
177         (gimplify_return_expr): Use create_tmp_reg.
178         (gimplify_omp_atomic): Likewise.
179         (gimple_regimplify_operands): Likewise.
180         * tree-dfa.c (make_rename_temp): Likewise.
181         * tree-predcom.c (predcom_tmp_var): Likewise.
182         (reassociate_to_the_same_stmt): Likewise.
183         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
184         (get_replaced_param_substitute): Likewise.
185         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
186         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
187         * tree-ssa-pre.c (get_representative_for): Likewise.
188         (create_expression_by_pieces): Likewise.
189         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
190         (create_tailcall_accumulator): Likewise.
191
192 2010-04-19  Martin Jambor  <mjambor@suse.cz>
193
194         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
195         new_stmt.
196         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
197
198 2010-04-19  Richard Guenther  <rguenther@suse.de>
199
200         PR tree-optimization/43796
201         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
202         from SCEV in the lattice.
203         (vrp_visit_phi_node): Dump change.
204
205 2010-04-19  Richard Guenther  <rguenther@suse.de>
206
207         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
208         * configure: Re-generated.
209
210 2010-04-19  Richard Guenther  <rguenther@suse.de>
211
212         PR tree-optimization/43783
213         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
214         constant ARRAY_REF operands two and three if possible.
215
216 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
217
218         PR target/43766
219         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
220
221 2010-04-19  Jie Zhang  <jie@codesourcery.com>
222
223         PR target/43662
224         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
225
226 2010-04-19 Ira Rosen <irar@il.ibm.com>
227
228         PR tree-optimization/37027
229         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
230         and macro to access it.
231         (vectorizable_reduction): Add argument.
232         (vect_get_slp_defs): Likewise.
233         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
234         statements for possible use in SLP.
235         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
236         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
237         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
238         add new argument.
239         (vectorizable_reduction): Likewise.
240         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
241         vect_get_slp_defs.
242         (vectorizable_type_demotion, vectorizable_type_promotion,
243         vectorizable_store): Likewise.
244         (vect_analyze_stmt): Update call to vectorizable_reduction.
245         (vect_transform_stmt): Likewise.
246         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
247         (vect_build_slp_tree): Fix indentation. Check that there are no loads
248         from different interleaving chains in same node.
249         (vect_slp_rearrange_stmts): New function.
250         (vect_supported_load_permutation_p): Allow load permutations for
251         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
252         inside SLP nodes if necessary.
253         (vect_analyze_slp_instance): Handle reductions.
254         (vect_analyze_slp): Try to build SLP instances originating from groups
255         of reductions.
256         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
257         (vect_get_constant_vectors): Create initial vectors for reductions
258         according to reduction code. Add new argument.
259         (vect_get_slp_defs): Add new argument, pass it to
260         vect_get_constant_vectors.
261         (vect_schedule_slp_instance): Remove SLP tree root statements.
262
263 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
264
265         * tree.h (ENUM_IS_SCOPED): Define.
266         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
267         for ENUM_IS_SCOPED enums.
268
269 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
270
271         * fold-const.c (fold_comparison): Use ssizetype.
272         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
273         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
274         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
275         * tree-object-size.c (compute_object_sizes): Use size_type_node.
276
277         * tree.h (initialize_sizetypes): Remove parameter.
278         (build_common_tree_nodes): Remove second parameter.
279         * stor-layout.c (initialize_sizetypes): Remove parameter.
280         Always create an unsigned type.
281         (set_sizetype): Assert that the passed type is unsigned and simplify.
282         * tree.c (build_common_tree_nodes): Remove second parameter.
283         Adjust call to initialize_sizetypes.
284         * c-decl.c (c_init_decl_processing): Remove second argument in call to
285         build_common_tree_nodes.
286
287 2010-04-18  Matthias Klose  <doko@ubuntu.com>
288
289         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
290
291 2010-04-18 Ira Rosen <irar@il.ibm.com>
292
293         PR tree-optimization/43771
294         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
295         load permutation doesn't have gaps.
296
297 2010-04-18  Jan Hubicka  <jh@suse.cz>
298
299         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
300         (sse_prologue_save_insn expander): Use new pattern.
301         (sse_prologue_save_insn1): New pattern and splitter.
302         (sse_prologue_save_insn): Update to deal also with 64bit aligned
303         blocks.
304         * i386.c (setup_incoming_varargs_64): Do not compute jump
305         destination here.
306         (ix86_gimplify_va_arg): Update alignment needed.
307         (ix86_local_alignment): Do not align all local arrays to 128bit.
308
309 2010-04-17  Jan Hubicka  <jh@suse.cz>
310
311         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
312
313 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
314
315         * arm.md (negdi2): Remove redundant code to force values into a
316         register.
317
318 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
319
320         * arm/bpabi.S: Add EABI alignment attributes to objects.
321         * arm/bpabi-v6m.S: Likewise.
322         * arm/crti.asm: Likewise.
323         * arm/crtn.asm: Likewise.
324         * arm/lib1funcs.asm: Likewise.
325         * arm/libunwind.S: Likewise.
326
327 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
328
329         * arm-protos.h (tune_params): New structure.
330         * arm.c (current_tune): New variable.
331         (arm_constant_limit): Delete.
332         (struct processors): Add pointer to the tune parameters.
333         (arm_slowmul_tune): New tuning option.
334         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
335         (all_cores): Adjust to pick up the tuning model.
336         (arm_constant_limit): New function.
337         (arm_override_options): Select the appropriate tuning model.  Delete
338         initialization of arm_const_limit.
339         (arm_split_constant): Use the new constant-limit model.
340         (arm_rtx_costs): Pick up the current tuning model.
341         * arm.md (is_strongarm, is_xscale): Delete.
342         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
343         for Xscale variant architectures.
344         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
345
346 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
347
348         * config/arm/arm.c (arm_gen_constant): Remove unused variable
349         can_shift.
350         (arm_rtx_costs_1): Remove unused variable extra_cost.
351         (arm_unwind_emit_set): Use variable offset.
352         (thumb1_output_casesi): Remove unused variable flags.
353
354 2010-04-16  Jeff Law  <law@redhat.com>
355
356         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
357         needing assignment rather than doing a two-phase assignment.  Remove
358         unused variable 'm'.
359
360 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
361
362         PR bootstrap/43767
363         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
364
365 2010-04-16  Doug Kwan  <dougkwan@google.com>
366
367         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
368         (next_operand_entry_id): New static variable.
369         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
370         (add_to_ops_vec): Assigned unique ID to operand entry.
371         (struct oecount_s): New field ID.
372         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
373         (undistribute_ops_list): Assign unique IDs to oecounts.
374         (init_reassoc): reset next_operand_entry_id.
375
376 2010-04-16  Doug Kwan  <dougkwan@google.com>
377
378         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
379         missing left parenthesis.
380
381 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
382
383         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
384         *btdi_rex64 using SWI48 mode iterator.
385         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
386         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
387         *jcc_btdi_mask_rex64.
388
389 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
390
391         * double-int.h (tree_to_double_int): Convert to macro.
392         * double-int.c (tree_to_double_int): Remove.
393
394 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
395
396         PR debug/43762
397         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
398         with want_address 2 and in case a single element list might be
399         possible, call it again with want_address 0.
400
401 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
402
403         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
404         case 'W' print operands for HI mode.
405         * config/h8300/h8300.h (Y0, Y2) : New constraints.
406         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
407         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
408         * config/h8300/predicate.md (bit_register_indirect_operand): New.
409
410         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
411
412         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
413         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
414         #xx:3 and #xx:4 mode.
415
416         * config/h8300/h8300.md (inverted load with HImode dest): Add
417         support for H8300SX.
418
419         * config/h8300/predicate.md (bit_operand): Allow immediate values that
420         satisfy 'U' constraint.
421
422 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
423
424         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
425         * configure: Regenerate.
426         * config.in: Regenerate.
427         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
428         works.
429
430 2010-04-16  Richard Guenther  <rguenther@suse.de>
431
432         * tree.h (struct tree_decl_minimal): Move pt_uid ...
433         (struct tree_decl_common): ... here.
434         (DECL_PT_UID): Adjust.
435         (SET_DECL_PT_UID): Likewise.
436         (DECL_PT_UID_SET_P): Likewise.
437
438 2010-04-16  Richard Guenther  <rguenther@suse.de>
439
440         PR tree-optimization/43572
441         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
442         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
443         * tree-flow.h (is_call_clobbered): Remove.
444         * tree-flow-inline.h (is_call_clobbered): Likewise.
445         * tree-dfa.c (dump_variable): Do not dump call clobber state.
446         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
447         (execute_return_slot_opt): Adjust.
448         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
449         check for call clobbered vars here.
450         (find_tail_calls): Move tailcall verification to the
451         proper place.
452
453 2010-04-16  Diego Novillo  <dnovillo@google.com>
454
455         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
456
457 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
458
459         PR target/40603
460         * config/arm/arm.md (cbranchqi4): New pattern.
461         * config/arm/predicates.md (const0_operand,
462         cbranchqi4_comparison_operator): New predicates.
463
464 2010-04-16  Richard Guenther  <rguenther@suse.de>
465
466         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
467         (dump_gimple_stmt): Likewise.
468
469 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
470
471         * recog.h (struct recog_data): New field is_operator.
472         (struct insn_operand_data): New field is_operator.
473         * recog.c (extract_insn): Set recog_data.is_operator.
474         * genoutput.c (output_operand_data): Emit code to set the
475         is_operator field.
476         * reload.c (find_reloads): Use it rather than testing for an
477         empty constraint string.
478
479         PR target/41514
480         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
481         If the previous insn is a cbranchsi4_insn with the same arguments,
482         omit the compare instruction.
483
484         * config/arm/arm.md (addsi3_cbranch): If destination is a high
485         register, inputs must be low registers and we need a low register
486         scratch.  Handle alternative 2 like alternative 3.
487
488 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
489
490         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
491         don't call get_addr on both.  If one expression is a VALUE and
492         the other a REG, check VALUE's locs if the REG isn't among them.
493
494 2010-04-16  Christian Bruel  <christian.bruel@st.com>
495
496         * config/sh/sh.h (sh_frame_pointer_required): New function.
497         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
498         (flag_omit_frame_pointer) Set.
499         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
500         (rounded_frame_size): Adjust size with outgoing_args_size.
501         (sh_set_return_address): Must return from stack pointer.
502         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
503         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
504         (ACCUMULATE_OUTGOING_ARGS): Define.
505         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
506         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
507
508 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
509
510         PR target/43471
511         * config/sh/sh.c (sh_legitimize_reload_address): Use
512         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
513         Remove a unneeded check for offset_base.
514
515 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
516
517         * configure: Regenerated.
518
519 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
520
521         * config/s390/s390.c (s390_call_save_register_used): Switch back
522         to HARD_REGNO_NREGS.
523
524 2010-04-15  Richard Guenther  <rguenther@suse.de>
525
526         * alias.c (alias_set_subset_of): Handle alias-set zero
527         child properly.
528
529 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
530             Julian Brown  <julian@codesourcery.com>
531
532         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
533         alternatives according to use of high and low regs.
534         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
535         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
536         optimizing for size on Thumb-2.
537
538 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
539
540         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
541
542 2010-04-15  Richard Guenther  <rguenther@suse.de>
543
544         * tree-ssa-structalias.c (struct variable_info): Add
545         is_fn_info flag.
546         (new_var_info): Initialize it.
547         (dump_constraints): Support printing last added constraints.
548         (debug_constraints): Adjust.
549         (dump_constraint_graph): Likewise.
550         (make_heapvar_for): Check for NULL cfun.
551         (get_function_part_constraint): New function.
552         (get_fi_for_callee): Likewise.
553         (find_func_aliases): Properly implement IPA PTA constraints.
554         (process_ipa_clobber): New function.
555         (find_func_clobbers): Likewise.
556         (insert_into_field_list_sorted): Remove.
557         (create_function_info_for): Properly allocate vars for IPA mode.
558         Do not use insert_into_field_list_sorted.
559         (create_variable_info_for): Properly generate constraints for
560         global vars in IPA mode.
561         (dump_solution_for_var): Always dump the solution.
562         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
563         (find_what_var_points_to): Adjust.
564         (pt_solution_set): Change.
565         (pt_solution_ior_into): New function.
566         (pt_solution_empty_p): Export.
567         (pt_solution_includes_global): Adjust.
568         (pt_solution_includes_1): Likewise.
569         (pt_solutions_intersect_1): Likewise.
570         (dump_sa_points_to_info): Check some invariants.
571         (solve_constraints): Move constraint dumping ...
572         (compute_points_to_sets): ... here.
573         (ipa_pta_execute): ... and here.
574         (compute_may_aliases): Do not re-compute points-to info
575         locally if IPA info is available.
576         (ipa_escaped_pt): New global var.
577         (ipa_pta_execute): Properly implement IPA PTA.
578         * tree-into-ssa.c (dump_decl_set): Support dumping
579         decls not in referenced-vars.
580         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
581         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
582         (dump_points_to_solution): Likewise.
583         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
584         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
585         (remap_gimple_stmt): Reset call clobber/use information if necessary.
586         (copy_decl_to_var): Copy DECL_PT_UID.
587         (copy_result_decl_to_var): Likewise.
588         * tree.c (make_node_stat): Initialize DECL_PT_UID.
589         (copy_node_stat): Copy it.
590         * tree.h (DECL_PT_UID): New macro.
591         (SET_DECL_PT_UID): Likewise.
592         (DECL_PT_UID_SET_P): Likewise.
593         (struct tree_decl_minimal): Add pt_uid member.
594         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
595         (pt_solution_empty_p): Declare.
596         (pt_solution_set): Adjust.
597         (ipa_escaped_pt): Declare.
598         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
599         * gimple-pretty-print.c (pp_points_to_solution): New function.
600         (dump_gimple_call): Dump call clobber/use information.
601         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
602         * tree-pass.h (TDF_ALIAS): New dump option.
603         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
604         * doc/invoke.texi (-fipa-pta): Update documentation.
605
606 2010-04-15  Richard Guenther  <rguenther@suse.de>
607
608         * Makefile.in (OBJS-common): Add gimple-fold.o.
609         (gimple-fold.o): New rule.
610         * tree.h (maybe_fold_offset_to_reference,
611         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
612         prototypes ...
613         * gimple.h: ... here.
614         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
615         may_propagate_address_into_dereference): Move prototypes ...
616         * gimple.h: ... here.
617         * tree-ssa-ccp.c (get_symbol_constant_value,
618         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
619         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
620         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
621         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
622         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
623         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
624         gimplify_and_update_call_from_tree): Move ...
625         * gimple-fold.c: ... here.  New file.
626         (ccp_fold_builtin): Rename to ...
627         (gimple_fold_builtin): ... this.
628         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
629
630 2010-04-15  Richard Guenther  <rguenther@suse.de>
631
632         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
633         fit_double_type, force_fit_type_double, add_double_with_sign,
634         neg_double, mul_double_with_sign, lshift_double, rshift_double,
635         lrotate_double, rrotate_double, div_and_round_double): Move ...
636         * double-int.c: ... here.
637         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
638         add_double, neg_double, mul_double_with_sign, mul_double,
639         lshift_double, rshift_double, lrotate_double, rrotate_double,
640         div_and_round_double): Move prototypes ...
641         * double-int.h: ... here.
642
643 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
644
645         PR target/43742
646         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
647         matching constraints to ensure inputs match the output.
648
649 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
650
651         PR target/43742
652         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
653         in an input-only operand.
654
655 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
656
657         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
658         (double_int_not, double_int_lshift, double_int_rshift): Declare.
659         (double_int_negative_p): Convert to static inline function.
660         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
661         (double_int_negative_p): Remove.
662         * tree.h (lshift_double, rshift_double):
663         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
664         * fold-const.c (fold_convert_const_int_from_real,
665         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
666         (lshift_double): Change type of arith argument to bool.
667         (rshift_double): Change type of arith argument to bool. Correct
668         comment.
669         * expmed.c (mask_rtx, lshift_value): (Ditto.).
670
671 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
672
673         PR target/21803
674         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
675         at the start and end of the then/else blocks, and omit them from the
676         conversion.
677         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
678         argument; all callers changed.  Pass zero to old_insns_match_p instead.
679         (flow_find_head_matching_sequence): New function.
680         (old_insns_match_p): Check REG_EH_REGION notes for calls.
681         * basic-block.h (flow_find_cross_jump,
682         flow_find_head_matching_sequence): Declare functions.
683
684 2010-04-14  Jason Merrill  <jason@redhat.com>
685
686         PR c++/36625
687         * c-common.c (attribute_takes_identifier_p): New fn.
688         * c-common.h: Declare it.
689
690 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
691
692         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
693         splitter condition.
694         (*udivmod<mode>4): Ditto.
695
696 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
697
698         * config/i386/i386.md (maxmin_int): Rename code attribute from
699         maxminiprefix and update all users.
700         (maxmin_float): Ditto from maxminfprefix.
701         (logic): Ditto from logicprefix.
702         (absneg_mnemonic): Ditto from absnegprefix.
703         * config/i386/mmx.md: Update all users of maxminiprefix,
704         maxminfprefix and logicprefix for rename.
705         * config/i386/sse.md: Ditto.
706         * config/i386/sync.md (sync_<code><mode>): Update for
707         logicprefix rename.
708
709 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
710
711         PR 42966
712         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
713         warnings converted to errors.
714
715 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
716
717         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
718         used insn_type variable.
719         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
720         to avoid set-but-not-used warning.
721
722 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
723
724         * df-core.c (df_ref_debug): Change format string placeholder
725         from 0x%x to %#x.
726         * dwarf2asm.c (dw2_asm_output_data_raw,
727         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
728         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
729         * dwarf2out.c (output_cfi, output_cfi_directive,
730         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
731         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
732         Ditto.
733         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
734         * print-rtl.c (print_rtx): Ditto.
735
736 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
737
738         PR middle-end/42694
739         * builtins.c (expand_builtin_pow_root): New function to expand pow
740         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
741         series of sqrt and cbrt calls under -ffast-math.
742         (expand_builtin_pow): Call it.
743
744 2010-04-14  Michael Matz  <matz@suse.de>
745
746         PR tree-optimization/42963
747         * tree-cfg.c (touched_switch_bbs): New static variable.
748         (group_case_labels_stmt): New function broken out from ...
749         (group_case_labels): ... here, use the above.
750         (start_recording_case_labels): Allocate touched_switch_bbs.
751         (end_recording_case_labels): Deallocate it, call
752         group_case_labels_stmt.
753         (gimple_redirect_edge_and_branch): Remember index of affected BB.
754
755 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
756
757         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
758         from insn template.
759
760 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
761
762         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
763
764 2010-04-13  Jan Hubicka  <jh@suse.cz>
765
766         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
767         of optimized out static functions.
768         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
769         cost computation.  Also sanity check for overflows.
770         (update_caller_keys): Update cgraph_edge_badness call; properly
771         update fibheap and sanity check that it is up to date.
772         (add_new_edges_to_heap): Update cgraph_edge_badness.
773         (cgraph_decide_inlining_of_small_function): Likewise;
774         add sanity checking that badness in heap is up to date;
775         improve dumping of reason; Update badness of calls to the
776         offline copy of function currently inlined; dump badness
777         of functions not inlined because of unit growth limits.
778
779 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
780
781         PR middle-end/32628
782         * c-common.c (pointer_int_sum): Disregard overflow that occured only
783         because of sign-extension change when converting to sizetype here...
784         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
785
786         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
787         the folding to constants.  Remove redundant final conversion.
788         (fold_binary) <associate>: Do not associate if the re-association of
789         constants alone overflows.
790         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
791         to the end of the list.
792         (multiple_of_p) <COND_EXPR>: New case.
793
794 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
795
796         * opt-functions.awk (opt_sanitized_name): New.
797         (opt_enum): New.
798         * optc-gen.awk: Use it
799         * opth-gen.awk: Use it.
800
801 2010-04-13  Martin Jambor  <mjambor@suse.cz>
802
803         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
804         (sra_modify_assign): Delete stmts loading dead data even if racc has no
805         children.  Call replace_uses_with_default_def_ssa_name to handle
806         SSA_NAES on lhs.
807
808 2010-04-13  Michael Matz  <matz@suse.de>
809
810         PR middle-end/43730
811         * builtins.c (expand_builtin_interclass_mathfn): Also create
812         a register if the predicate doesn't match.
813
814 2010-04-13  Diego Novillo  <dnovillo@google.com>
815
816         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
817         * c-pch.c: Include timevar.h.
818         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
819         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
820         * ggc-common.c: Include timevar.h.
821         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
822         * timevar.def (TV_PCH_SAVE): Define.
823         (TV_PCH_CPP_SAVE): Define.
824         (TV_PCH_PTR_REALLOC): Define.
825         (TV_PCH_PTR_SORT): Define.
826         (TV_PCH_RESTORE): Define.
827         (TV_PCH_CPP_RESTORE): Define.
828
829 2010-04-13  Michael Matz  <matz@suse.de>
830
831         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
832         into MINUS_EXPRs.
833         (can_reassociate_p): New function.
834         (break_up_subtract_bb, reassociate_bb): Use it.
835
836 2010-04-13  Richard Guenther  <rguenther@suse.de>
837
838         PR bootstrap/43737
839         * builtins.c (c_readstr): Fix assert.
840
841 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
842
843         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
844         when generating cltd insn.
845
846         (*ashl<mode>3_1): Remove special handling for register operand 2.
847         (*ashlsi3_1_zext): Ditto.
848         (*ashlhi3_1): Ditto.
849         (*ashlhi3_1_lea): Ditto.
850         (*ashlqi3_1): Ditto.
851         (*ashlqi3_1_lea): Ditto.
852         (*<shiftrt_insn><mode>3_1): Ditto.
853         (*<shiftrt_insn>si3_1_zext): Ditto.
854         (*<shiftrt_insn>qi3_1_slp): Ditto.
855         (*<rotate_insn><mode>3_1): Ditto.
856         (*<rotate_insn>si3_1_zext): Ditto.
857         (*<rotate_insn>qi3_1_slp): Ditto.
858
859 2010-04-13  Richard Guenther  <rguenther@suse.de>
860
861         * tree-ssa-structalias.c (callused_id): Remove.
862         (call_stmt_vars): New.
863         (get_call_vi): Likewise.
864         (lookup_call_use_vi): Likewise.
865         (lookup_call_clobber_vi): Likewise.
866         (get_call_use_vi): Likewise.
867         (get_call_clobber_vi): Likewise.
868         (make_transitive_closure_constraints): Likewise.
869         (handle_const_call): Adjust to do per-call call-used handling.
870         (handle_pure_call): Likewise.
871         (find_what_var_points_to): Remove general callused handling.
872         (init_base_vars): Likewise.
873         (init_alias_vars): Initialize call_stmt_vars.
874         (compute_points_to_sets): Process call-used and call-clobbered
875         vars for call statements.
876         (delete_points_to_sets): Free call_stmt_vars.
877
878 2010-04-13  Richard Guenther  <rguenther@suse.de>
879
880         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
881         Only add RW dependence for dependence distance zero.
882         Adjust maximal vectorization factor according to dependences.
883         Move alignment handling ...
884         (vect_find_same_alignment_drs): ... here.  New function.
885         (vect_analyze_data_ref_dependences): Adjust.
886         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
887         (vect_analyze_data_refs): Adjust minimal vectorization factor
888         according to data references.
889         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
890         dependences before determining the vectorization factor.
891         Analyze alignment after determining the vectorization factor.
892         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
893         dependences before alignment.
894         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
895         Adjust prototype.
896         (vect_analyze_data_refs): Likewise.
897         (MAX_VECTORIZATION_FACTOR): New define.
898
899 2010-04-13  Duncan Sands  <baldrick@free.fr>
900
901         * except.h (lang_eh_type_covers): Remove.
902         * except.c (lang_eh_type_covers): Likewise.
903
904 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
905             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
906
907         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
908         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
909         UNITS_PER_LONG where it is ABI relevant.
910         (s390_return_addr_rtx): Likewise.
911         (s390_back_chain_rtx): Likewise.
912         (s390_frame_area): Likewise.
913         (s390_frame_info): Likewise.
914         (s390_initial_elimination_offset): Likewise.
915         (save_gprs): Likewise.
916         (s390_emit_prologue): Likewise.
917         (s390_emit_epilogue): Likewise.
918         (s390_function_arg_advance): Likewise.
919         (s390_function_arg): Likewise.
920         (s390_va_start): Likewise.
921         (s390_gimplify_va_arg): Likewise.
922         (s390_function_profiler): Likewise.
923         (s390_optimize_prologue): Likewise.
924         (s390_rtx_costs): Likewise.
925         (s390_secondary_reload): Likewise.
926         (s390_promote_function_mode): Likewise.
927         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
928         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
929         registers available.
930         (s390_unwind_word_mode): New function.
931         (s390_function_value): Split 64 bit values into register pair if
932         used as return value.
933         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
934         function call parameters.  Handle parallels.
935         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
936         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
937         (DWARF_CIE_DATA_ALIGNMENT): New macro.
938         (s390_expand_setmem): Remove unused variable src_addr.
939         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
940         deal with 64 bit registers.
941         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
942         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
943         (UNITS_PER_LONG): New macro.
944         * libjava/include/s390-signal.h: Define extended ucontext
945         structure containing the upper halfs of the 64 bit registers.
946
947 2010-04-13  Simon Baldwin  <simonb@google.com>
948
949         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
950
951 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
952
953         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
954         rvalue on the RHS if the LHS is of a non-renamable type.
955         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
956
957 2010-04-13  Matthias Klose  <doko@ubuntu.com>
958
959         * gcc.c (cc1_options): Handle -iplugindir before processing
960         the cc1 spec. Only add -iplugindir once.
961         (cpp_unique_options): Add -iplugindir option if -fplugin* options
962         found.
963         * common.opt (iplugindir): Remove `Separate' property, initialize.
964         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
965         option.
966         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
967         (distclean): Remove plugin dir.
968         * doc/invoke.texi: Document -iplugindir.
969
970 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
971
972         * doc/plugins.texi (Loading Plugins): Document short
973         -fplugin=foo option.
974         (Plugin API): Mention default_plugin_dir_name function.
975
976         * gcc.c (find_file_spec_function): Add new declaration.
977         (static_spec_func): Use it for "find-file".
978         (find_file_spec_function): Add new function.
979         (cc1_options): Add -iplugindir option if -fplugin* options found.
980
981         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
982
983         * plugin.c (add_new_plugin): Updated comment, and handle short
984         plugin name.
985         (default_plugin_dir_name): Added new function.
986
987         * common.opt (iplugindir): New option to set the plugin directory.
988
989 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
990
991         * config/i386/i386.md (any_rotate): New code iterator.
992         (rotate_insn): New code attribute.
993         (rotate): Ditto.
994         (SWIM124): New mode iterator.
995         (<rotate_insn>ti3): New expander.
996         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
997         any_rotate code iterator.
998         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
999         using any_rotate code iterator and SWIM124 mode iterator.
1000         (ix86_rotlti3): New insn_and_split pattern.
1001         (ix86_rotrti3): Ditto.
1002         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1003         ix86_rotl{di,ti}3 patterns.
1004         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1005         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1006         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1007         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1008         code iterator and SWI mode iterator.
1009         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1010         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1011         code iterator.
1012         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1013         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1014         (bswap rotatert splitter): Add splitter.
1015         (bswap splitter): Macroize splitter using any_rotate code iterator.
1016         Add insn predicate to split only for TARGET_USE_XCHGB or when
1017         optimizing function for size.
1018
1019 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1020
1021         * config/pa/pa.c (emit_move_sequence): Remove use of
1022         deleted variable flag_argument_noalias.
1023
1024 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1025
1026         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1027         configurations.
1028         Add to unsupported targets list.
1029         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1030         sparc*-sun-solaris2.[567]* from target lists.
1031         * configure: Regenerate.
1032         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1033         removal.
1034         Remove Solaris 7 patch references.
1035         (Specific, sparc-sun-solaris2.7): Removed.
1036         (sparc-sun-solaris2*): Update Solaris 7 example.
1037         (sparc64-*-solaris2*): Likewise.
1038
1039 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1040
1041         * config.build (alpha*-dec-osf4*): Remove.
1042         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1043         of obsolete configurations.
1044         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1045         support.
1046         * config/alpha/t-osf4: Renamed to ...
1047         * config/alpha/t-osf5: ... this.
1048         * config/alpha/osf.h: Renamed to ...
1049         * config/alpha/osf5.h: ... this.
1050         Merged old osf5.h contents.
1051         Update comments.
1052         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1053         (EXTRA_SPECS): Removed.
1054         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1055         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1056         Document that.
1057
1058 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1059
1060         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1061
1062 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1063
1064         PR/43702
1065         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1066         __thiscall convention.
1067
1068 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1069
1070         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1071         orig_base.
1072         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1073
1074 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1075
1076         * function.c (assign_parms_initialize_all): Add unused attribute
1077         to fntype.
1078
1079 2010-04-12  Richard Guenther  <rguenther@suse.de>
1080
1081         * gsstruct.def (GSS_CALL): New.
1082         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1083         * gimple.h: Include tree-ssa-alias.h.
1084         (struct gimple_statement_call): New.
1085         (union gimple_statement_struct_d): Add gimple_call member.
1086         (gimple_call_reset_alias_info): Declare.
1087         (gimple_call_use_set): New function.
1088         (gimple_call_clobber_set): Likewise.
1089         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1090         * gimple.c (gimple_call_reset_alias_info): New function.
1091         (gimple_build_call_1): Call it.
1092         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1093         * tree-inline.c (remap_gimple_stmt): Likewise.
1094         (expand_call_inline): Remove callused handling.
1095         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1096         * tree-dfa.c (dump_variable): Likewise.
1097         * tree-parloops.c (parallelize_loops): Likewise.
1098         * tree-ssa.c (init_tree_ssa): Likewise.
1099         (delete_tree_ssa): Likewise.
1100         * tree-flow-inline.h (is_call_used): Remove.
1101         * tree-flow.h (struct gimple_df): Remove callused member.
1102         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1103         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1104         (ref_maybe_used_by_call_p_1): Simplify.
1105         (call_may_clobber_ref_p_1): Likewise.
1106         * tree-ssa-structalias.c (compute_points_to_sets): Set
1107         the call stmt used and clobbered sets.
1108         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1109         (find_tail_calls): Verify the tail call.
1110
1111 2010-04-12  Richard Guenther  <rguenther@suse.de>
1112
1113         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1114         single-iteration always-inline inlining.
1115         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1116         (cgraph_decide_inlining): Do not handle always-inline specially.
1117         (try_inline): Remove always-inline cycle detection special case.
1118         Do not recurse on always-inlines.
1119         (cgraph_early_inlining): Do not iterate if not optimizing.
1120         (cgraph_gate_early_inlining): remove.
1121         (pass_early_inline): Run unconditionally.
1122         (gate_cgraph_decide_inlining): New function.
1123         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1124         not inlining or optimizing.
1125         (cgraph_decide_inlining_of_small_functions): Also consider
1126         always-inline functions.
1127         (cgraph_default_inline_p): Return true for nodes which should
1128         disregard inline limits.
1129         (estimate_function_body_sizes): Assume zero size and time for
1130         nodes which are marked as disregarding inline limits.
1131         (cgraph_decide_recursive_inlining): Do not perform recursive
1132         inlining on always-inline nodes.
1133
1134 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1135
1136         PR bootstrap/43699
1137         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1138         for exprs satisfying handled_component_p.
1139
1140 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1141
1142         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1143         non-constant aggregate elements.
1144
1145         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1146         is a real initialization.
1147
1148 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1149
1150         PR c/36774
1151         * c-decl.c (start_function): Move forward check for nested function.
1152
1153 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1154
1155         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1156         * config/sh/sh.c: Include reload.h.
1157         (sh_legitimize_reload_address): New.
1158         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1159         sh_legitimize_reload_address.
1160
1161 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1162
1163         * config/sh/sh.md (*movqi_pop): New insn pattern.
1164         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1165
1166 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1167
1168         * config/i386/i386.md (any_shiftrt): New code iterator.
1169         (shiftrt_insn): New code attribute.
1170         (shiftrt): Ditto.
1171         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1172         using any_shiftrt code iterator.
1173         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1174         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1175         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1176         pattern from corresponding peephole2 patterns.
1177         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1178         using any_shiftrt code iterator.
1179         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1180         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1181         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1182         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1183         *{ashr,lshr}<mode>3_cmp_zext.
1184         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1185
1186 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1187
1188         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1189         scratch register.
1190         (*lshr<mode>3_cconly): Ditto.
1191
1192 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1193
1194         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1195         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1196         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1197         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1198         DWI mode iterator.
1199         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1200         from corresponding peephole2 patterns.
1201         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1202         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1203         and *lshrdi3_1_rex64 using SWI mode iterator.
1204         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1205         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1206         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1207         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1208         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1209         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1210         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1211         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1212         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1213         SWI mode iterator.
1214
1215 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1216
1217         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1218         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1219         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1220         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1221         DWI mode iterator.
1222         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1223         from corresponding peephole2 patterns.
1224         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1225         (ashrsi3_cvt): Rename from ashrsi3_31.
1226         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1227         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1228         and x86_64_shift_adj_3 using SWI48 mode iterator.
1229         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1230         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1231         and *ashrdi3_1_rex64 using SWI mode iterator.
1232         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1233         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1234         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1235         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1236         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1237         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1238         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1239         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1240         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1241         SWI mode iterator.
1242         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1243         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1244         x86_shift<mode>_adj_3 expanders.
1245
1246 2010-04-10  Wei Guozhi  <carrot@google.com>
1247
1248         PR target/42601
1249         * config/arm/arm.c (arm_pic_static_addr): New function.
1250         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1251         a static symbol.
1252         (arm_output_addr_const_extra): Output expression for new pattern.
1253         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1254
1255 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1256
1257         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1258         not enabled.
1259
1260         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1261         * web.c: Include "insn-config.h" and "recog.h".
1262         (union_match_dups): New function.
1263         (web_main): Call it.
1264         (union_defs): Don't try to recognize match_dups.
1265
1266         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1267         if doing so would replace the entire pattern.
1268
1269 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1270
1271         PR target/43707
1272         PR target/43709
1273         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1274         and splitter pattern.  Change splitter operand 1 predicate to
1275         nonmemory_operand.
1276
1277 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1278
1279         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1280         lattices are addresses of CONST_DECLs with the same initial value.
1281         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1282         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1283
1284 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1285             Bernd Schmidt  <bernds@codesourcery.com>
1286
1287         * loop-invariant.c (replace_uses): New static function.
1288         (move_invariant_reg): Use it to ensure we can replace the uses.
1289
1290 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1291
1292         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1293         function template.
1294         (picochip_override_options): Enable section anchors only above -O1.
1295         (picochip_reorg): Fixed a couple of build warnings.
1296
1297 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1298
1299         * configure.ac (plugin -rdynamic test): Log result.
1300         * configure: Regenerate.
1301         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1302         (RDYNAMIC_SPEC): Define.
1303         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1304
1305 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1306
1307         * configure.ac: Determine Sun ld version numbers.
1308         (comdat_group): Restrict GNU ld version checks to gld.
1309         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1310         (enable_comdat): Support --enable-comdat.
1311         * configure: Regenerate.
1312         * doc/install.texi (Configuration): Document --enable-comdat.
1313
1314 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1315
1316         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1317         * config/sol2-gld.h: ... here.
1318         * config.gcc (sparc*-*-solaris2*): Reflect this.
1319         (i[34567]86-*-solaris2*): Use it.
1320
1321 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1322
1323         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1324         setup_clocks_p.
1325         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1326
1327 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1328
1329         PR 42965
1330         * diagnostic.c (diagnostic_initialize): Initialize
1331         some_warnings_are_errors.
1332         (diagnostic_finish): New.
1333         (diagnostic_action_after_output): Call it before exiting.
1334         (diagnostic_report_diagnostic): Do not print message here. Set
1335         some_warnings_are_errors.
1336         * diagnostic.h (diagnostic_context): Delete
1337         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1338         (diagnostic_finish): Declare.
1339         * toplev.c (toplev_main): Call it before exit.
1340
1341 2010-04-09  Jason Merrill  <jason@redhat.com>
1342
1343         PR c++/42623
1344         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1345         for incomplete type.
1346
1347         PR c++/41788
1348         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1349         based on a warning flag.
1350
1351 2010-04-09  Richard Guenther  <rguenther@suse.de>
1352
1353         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1354
1355 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1356
1357         PR bootstrap/43684
1358         * varasm.c (default_assemble_visibility): Wrap vars that are
1359         set, but unused, by targets without GAS.
1360         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1361         Remove set, but unused, vars.
1362         (rs6000_legitimize_tls_address): Likewise.
1363         (altivec_expand_dst_builtin): Likewise.
1364         * config/darwin.c (machopic_classify_symbol): Likewise.
1365         (machopic_indirection_name): Likewise.
1366
1367 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1368
1369         * config/i386/i386.md (DWI): New mode iterator.
1370         (S): New mode attribute.
1371         (shift_operand): Ditto.
1372         (shift_immediate_operand): Ditto.
1373         (ashl_input_operand): Ditto.
1374         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1375         using SDWIM mode iterator.
1376         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1377         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1378         DWI mode iterator.
1379         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1380         from corresponding peephole2 patterns.
1381         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1382         and x86_64_shift_adj_1 using SWI48 mode iterator.
1383         (x86_shift<mode>_adj_2): Ditto.
1384         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1385         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1386         using SWI48 mode iterator.
1387         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1388         *ashldi3_cmp_rex64 using SWI mode iterator.
1389         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1390         *ashldi3_cconly_rex64 using SWI mode iterator.
1391         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1392         x86_shift<mode>_adj_{1,2}.
1393         (ix86_split_ashr): Ditto.
1394         (ix86_split_lshr): Ditto.
1395
1396 2010-04-09  Richard Guenther  <rguenther@suse.de>
1397
1398         * target.h (builtin_conversion): Pass in input and output types.
1399         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1400         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1401         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1402         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1403
1404         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1405         Handle AVX modes.
1406         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1407
1408 2010-04-09  Richard Guenther  <rguenther@suse.de>
1409
1410         PR target/43152
1411         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1412
1413 2010-04-09  Richard Guenther  <rguenther@suse.de>
1414
1415         * tree-vectorizer.h (struct _stmt_vec_info): Document
1416         that vectype is the type of the LHS.
1417         (supportable_widening_operation, supportable_narrowing_operation):
1418         Get both input and output vector types as arguments.
1419         (vect_is_simple_use_1): Declare.
1420         (get_same_sized_vectype): Likewise.
1421         * tree-vect-loop.c (vect_determine_vectorization_factor):
1422         Set STMT_VINFO_VECTYPE to the vector type of the def.
1423         (vectorizable_reduction): Adjust.
1424         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1425         Adjust.  Specify the output vector type.
1426         (vect_pattern_recog_1): Adjust.
1427         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1428         (vectorizable_call): Adjust.
1429         (vectorizable_conversion): Likewise.
1430         (vectorizable_operation): Likewise.
1431         (vectorizable_type_demotion): Likewise.
1432         (vectorizable_type_promotion): Likewise.
1433         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1434         the def.
1435         (vect_is_simple_use_1): New function.
1436         (supportable_widening_operation): Get both input and output
1437         vector types.
1438         (supportable_narrowing_operation): Likewise.
1439         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1440
1441 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1442
1443         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1444         __thiscall and _thiscall as predefined macros.
1445         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1446         thiscall attribute handling.
1447         (ix86_comp_type_attributes): Likewise.
1448         (ix86_function_regparm): Likewise.
1449         (ix86_return_pops_args): Likewise.
1450         (init_cumulative_args): Likewise.
1451         (find_drap_reg): Likewise.
1452         (ix86_static_chain): Likewise.
1453         (x86_this_parameter): Likewise.
1454         (x86_output_mi_thunk): Likewise.
1455         (ix86_attribute_table): Add description for thiscall attribute.
1456         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1457         * doc/extend.texi: Add documentation for thiscall.
1458
1459 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1460
1461         PR c++/28584
1462         * c.opt (Wint-to-pointer-cast): Available in C++.
1463         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1464
1465 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1466
1467         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1468         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1469         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1470         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1471         function type instead.  Reorder and simplify checks.
1472
1473         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1474
1475 2010-04-08  Jing Yu  <jingyu@google.com>
1476             Zdenek Dvorak  <ook@ucw.cz>
1477
1478         PR tree-optimization/42720
1479         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1480         loop unswitch conditions here from ...
1481         (tree_unswitch_single_loop): ... here.
1482
1483 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1484
1485         * tree-if-conv.c: Fix comments and simplify logic.
1486
1487 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1488
1489         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1490         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1491         (main_tree_if_conversion): Update call to tree_if_conversion.
1492
1493 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1494
1495         PR 42485
1496         * doc/invoke.texi (-b,-V): Delete.
1497         * doc/tm.texi: Do not mention -b.
1498         * gcc.c (display_help): Delete -b and -V.
1499         (process_command): Delete -b and -V.
1500         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1501
1502 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1503             Wolfgang Gellerich  <gellerich@de.ibm.com>
1504
1505         Implement target hook for loop unrolling
1506         * target.h (loop_unroll_adjust): Add a new target hook function.
1507         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1508         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1509         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1510         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1511         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1512         target hook.
1513         (decide_unroll_stupid): Likewise.
1514
1515 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1516
1517         PR target/43643
1518         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1519
1520 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1521
1522         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1523         (Specific, *-*-solaris2*): Likewise.
1524         Don't prefer Sun as over GNU as.
1525
1526 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1527
1528         * config/s390/s390.c (override_options): Adjust the z10
1529           defaults for max-unroll-times, max-completely-peeled-insns
1530           and max-completely-peel-times.
1531
1532 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1533
1534         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1535         instructions for z10.
1536         (s390_expand_setmem): Likewise.
1537         (s390_expand_cmpmem): Likewise.
1538
1539 2010-04-08  Richard Guenther  <rguenther@suse.de>
1540
1541         PR tree-optimization/43679
1542         * tree-ssa-pre.c (eliminate): Only propagate copies.
1543
1544 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1545
1546         PR bootstrap/43681
1547         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1548         set but not used variable warning.
1549
1550 2010-04-08  Wei Guozhi  <carrot@google.com>
1551
1552         PR target/41653
1553         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1554         (arm_size_rtx_costs): Call the new function when optimized for size.
1555
1556 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1557
1558         PR debug/43670
1559         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1560         op0 is not a MEM, just return NULL instead of assertion
1561         failure.
1562         (discover_nonconstant_array_refs): Don't walk debug stmts.
1563
1564 2010-04-08  Doug Kwan  <dougkwan@google.com>
1565
1566         * configure.ac: Recognize gold and do not use its version number
1567         to test ld features.
1568         * configure: Regenerate.
1569
1570 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1571
1572         PR middle-end/40815
1573         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1574         (negate_value): Move code to push elements to broken_up_substracts ...
1575         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1576         negative pair to plus_negates.
1577         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1578
1579 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1580
1581         * doc/install.texi (Configuration): Move description of
1582         --enable-lto, --with-libelf*, --enable-gold from Java section to
1583         general section.
1584
1585         * doc/generic.texi (Working with declarations)
1586         (Function Properties, C and C++ Trees): Fix typos.
1587         * doc/sourcebuild.texi (Top Level): Likewise.
1588
1589 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1590
1591         PR c/18624
1592         * tree.h (DECL_READ_P): Define.
1593         (struct tree_decl_common): Add decl_read_flag.
1594         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1595         a set but not used warning.
1596         (merge_decls): Merge DECL_READ_P flag.
1597         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1598         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1599         * c-common.c (handle_used_attribute, handle_unused_attribute):
1600         Likewise.
1601         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1602         New prototypes.
1603         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1604         New functions.
1605         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1606         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1607         c_parser_binary_expression, c_parser_cast_expression,
1608         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1609         Call default_function_array_read_conversion instead of
1610         default_function_array_conversion where needed.
1611         (c_parser_unary_expression, c_parser_conditional_expression,
1612         c_parser_postfix_expression_after_primary, c_parser_initelt):
1613         Likewise.  Call mark_exp_read where needed.
1614         (c_parser_statement_after_labels, c_parser_asm_operands,
1615         c_parser_typeof_specifier, c_parser_sizeof_expression,
1616         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1617         where needed.
1618         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1619         New.
1620         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1621         (warn_unused_but_set_parameter): Default to warn_unused
1622         && extra_warnings.
1623         * doc/invoke.texi: Document -Wunused-but-set-variable and
1624         -Wunused-but-set-parameter.
1625
1626         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1627         used count variable.
1628         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1629         when operandN variables aren't used in the body of the expander
1630         or splitter.
1631         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1632         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1633         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1634         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1635         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1636         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1637         * tree.c (PROCESS_ARG): Likewise.
1638
1639 2010-04-07  Simon Baldwin  <simonb@google.com>
1640
1641         * diagnostic.h (diagnostic_override_option_index): New macro to
1642         set a diagnostic's option_index.
1643         * c-tree.h (c_cpp_error): Add warning reason argument.
1644         * opts.c (_warning_as_error_callback): New.
1645         (register_warning_as_error_callback): Store callback for
1646         warnings enabled via enable_warning_as_error.
1647         (enable_warning_as_error): Call callback, minor code tidy.
1648         * opts.h (register_warning_as_error_callback): Declare.
1649         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1650         response to -Werror=.
1651         (c_common_init_options): Register warning_as_error_callback in opts.c.
1652         * common.opt: Add -Wno-cpp option.
1653         * c-common.c (struct reason_option_codes_t): Map cpp warning
1654         reason codes to gcc option indexes.
1655         * (c_option_controlling_cpp_error): New function, lookup the gcc
1656         option index for a cpp warning reason code.
1657         * (c_cpp_error): Add warning reason argument, call
1658         c_option_controlling_cpp_error for diagnostic_override_option_index.
1659         * doc/invoke.texi: Document -Wno-cpp.
1660
1661 2010-04-07  Richard Guenther  <rguenther@suse.de>
1662
1663         * ipa-reference.c (mark_load): Use get_base_address.
1664         (mark_store): Likewise.
1665
1666         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1667         inserting GIMPLE_NOPs into the IL.
1668         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1669         Explicitly strip handled components and indirect references.
1670
1671         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1672         folding address expressions.
1673         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1674         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1675         operand_equal_p to compare decls.
1676         (ptr_deref_may_alias_decl_p): Likewise.
1677         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1678         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1679         Handle reversed comparison ops.
1680         * tree-sra.c (asm_visit_addr): Use get_base_address.
1681         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1682         * ipa-reference.c (mark_address): Use get_base_address.
1683
1684 2010-04-07  Richard Guenther  <rguenther@suse.de>
1685
1686         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1687         Propagate constants everywhere.
1688
1689 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1690
1691         PR debug/43516
1692         * tree.c (MAX_INT_CACHED_PREC): Define.
1693         (nonstandard_integer_type_cache): New array.
1694         (build_nonstandard_integer_type): Cache results for precision
1695         <= MAX_INT_CACHED_PREC.
1696
1697 2010-04-07  Richard Guenther  <rguenther@suse.de>
1698
1699         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1700         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1701         * common.opt: Likewise.
1702         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1703         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1704         (nonoverlapping_memrefs_p): Likewise.
1705         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1706         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1707         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1708         OPT_fargument_noalias_global for backward compatibility.
1709
1710 2010-04-07  Richard Guenther  <rguenther@suse.de>
1711
1712         PR tree-optimization/43270
1713         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1714         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1715         * tree-ssa-pre.c (phi_translate_1): Adjust.
1716         (fully_constant_expression): Split out vn_reference handling to ...
1717         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1718         Fold reads from constant strings.
1719         (vn_reference_lookup): Handle fully constant references.
1720         (vn_reference_lookup_pieces): Likewise.
1721         * Makefile.in (expmed.o-warn): Add -Wno-error.
1722
1723 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1724
1725         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1726
1727 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1728
1729         PR driver/41594
1730         * gcc.c: Add -static-libstdc++ to list of recognized options.
1731
1732 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1733
1734         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1735
1736 2010-04-07  Richard Guenther  <rguenther@suse.de>
1737
1738         PR middle-end/42617
1739         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1740         bases build simple mem attributes to retain points-to information.
1741
1742 2010-04-07  Richard Guenther  <rguenther@suse.de>
1743
1744         PR middle-end/42617
1745         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1746         preserve points-to related information.
1747
1748 2010-04-07  Richard Guenther  <rguenther@suse.de>
1749
1750         PR middle-end/42617
1751         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1752         discard plain indirect references.
1753         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1754         * tree.c (tree_nop_conversion): Likewise.
1755
1756 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1757
1758         PR debug/43628
1759         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1760
1761 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1762
1763         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1764         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1765
1766 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         * tree-if-conv.c: Fix indentation and comments.
1769
1770 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1771
1772         * tree-if-conv.c: Sort static functions in topological order.
1773
1774 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1775
1776         * tree-if-conv.c: Fix indentation and comments.
1777
1778 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1779
1780         PR middle-end/43519
1781         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1782         lang_hooks.types.type_for_size instead of
1783         build_nonstandard_integer_type.
1784         When converting an unsigned type to signed, double its precision.
1785         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1786         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1787         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1788         use lb <= ub.
1789
1790 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1791
1792         PR middle-end/43519
1793         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1794         POINTER_PLUS_EXPR for pointer types.
1795
1796 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         PR middle-end/43519
1799         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1800         * graphite-clast-to-gimple.c: Include langhooks.h.
1801         (max_signed_precision_type): New.
1802         (max_precision_type): Takes two types as arguments.
1803         (precision_for_value): New.
1804         (precision_for_interval): New.
1805         (gcc_type_for_interval): New.
1806         (gcc_type_for_value): New.
1807         (gcc_type_for_clast_term): New.
1808         (gcc_type_for_clast_red): New.
1809         (gcc_type_for_clast_bin): New.
1810         (gcc_type_for_clast_expr): Split up into several functions.
1811         (gcc_type_for_clast_eq): Rewritten.
1812         (compute_bounds_for_level): New.
1813         (compute_type_for_level_1): New.
1814         (compute_type_for_level): New.
1815         (gcc_type_for_cloog_iv): Removed.
1816         (gcc_type_for_iv_of_clast_loop): Rewritten.
1817         (graphite_create_new_loop): Compute the lower and upper bound types
1818         with gcc_type_for_clast_expr.
1819         (graphite_create_new_loop_guard): Same.
1820         (find_cloog_iv_in_expr): Removed.
1821         (compute_cloog_iv_types_1): Removed.
1822         (compute_cloog_iv_types): Removed.
1823         (gloog): Do not call compute_cloog_iv_types.
1824         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1825         GBB_CLOOG_IV_TYPES.
1826         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1827         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1828         (GBB_CLOOG_IV_TYPES): Removed.
1829
1830 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1831
1832         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1833         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1834         (detect_commutative_reduction): Same.
1835
1836 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1837
1838         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1839         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1840         argument.
1841         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1842         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1843         (rewrite_commutative_reductions_out_of_ssa): Same.
1844         * passes.c (execute_function_todo): Call verify_ssa for every pass
1845         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1846         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1847         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1848         with an extra argument.
1849         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1850         verify_ssa only when the extra argument is true.
1851         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1852         with an extra argument.
1853         (tree_transform_and_unroll_loop): Same.
1854
1855 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1856
1857         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1858         for all the passes of the LNO having LOOP_CLOSED_SSA.
1859         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1860         * tree-loop-distribution.c (pass_loop_distribution): Same.
1861         * tree-pass.h (TODO_verify_loops): Removed.
1862         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1863         (pass_lim): Same.
1864         (pass_tree_unswitch): Same.
1865         (pass_predcom): Same.
1866         (pass_vectorize): Same.
1867         (pass_linear_transform): Same.
1868         (pass_graphite_transforms): Same.
1869         (pass_iv_canon): Same.
1870         (pass_complete_unroll): Same.
1871         (pass_complete_unrolli): Same.
1872         (pass_parallelize_loops): Same.
1873         (pass_loop_prefetch): Same.
1874         (pass_iv_optimize): Same.
1875
1876 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1877
1878         PR middle-end/32824
1879         * passes.c (init_optimization_passes): Move pass_lim before
1880         pass_copy_prop and pass_dce_loop.
1881
1882 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1883
1884         PR target/43667
1885         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1886         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1887         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1888         MULTI_* defines for 4 argument vpermil2p* builtins.
1889
1890 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1891
1892         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1893         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1894         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1895         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1896         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1897         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1898         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1899         Use x86_maybe_negate_const_int to output insn mnemonic.
1900         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1901         check from instruction predicate.  Update comments.
1902         * config/i386/sync.md (sync_add<mode>): Use
1903         x86_maybe_negate_const_int to output insn mnemonic.
1904
1905 2010-04-06  Jan Hubicka  <jh@suse.cz>
1906
1907         PR tree-optimization/42906
1908         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1909         IGNORE_SELF argument.  Set visited_control_parents for fully
1910         processed BBs.
1911         (find_obviously_necessary_stmts): Update call of
1912         mark_control_dependent_edges_necessary.
1913         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
1914
1915 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1916
1917         * config/i386/i386.md: Remove comment about 'e' and 'E'
1918         operand modifier.
1919
1920 2010-04-06  Richard Guenther  <rguenther@suse.de>
1921
1922         PR tree-optimization/43627
1923         * tree-vrp.c (extract_range_from_unary_expr): Widenings
1924         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1925         not varying.
1926
1927 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1928
1929         * BASE-VER: Change to 4.6.0.
1930
1931         PR target/43638
1932         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1933         handling.
1934
1935 2010-04-06  Richard Guenther  <rguenther@suse.de>
1936
1937         PR middle-end/43661
1938         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1939
1940 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1941
1942         * doc/invoke.texi (Optimize Options): Document that LTO
1943         won't remove object access purely due to incompatible
1944         declarations.
1945
1946 2010-04-04  Matthias Klose  <doko@ubuntu.com>
1947
1948         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1949         Initialize variable.
1950
1951 2010-04-03  Richard Guenther  <rguenther@suse.de>
1952
1953         PR middle-end/42509
1954         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1955         require a non-NULL MEM_OFFSET.
1956
1957 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
1958
1959         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1960         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1961         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1962         config/alpha/predicates.md, config/arm/arm.md,
1963         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1964         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1965         config/darwin9.h, config/darwin.c, config/darwin.h,
1966         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1967         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1968         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1969         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1970         config/mips/mips.md, config/mn10300/mn10300.c,
1971         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1972         config/rs6000/aix.h, config/rs6000/dfp.md,
1973         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1974         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1975         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1976         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1977         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1978         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1979         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1980         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1981         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1982         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1983         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1984         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1985         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1986         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1987         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1988         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1989         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1990         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1991         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1992         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1993         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1994         opt-functions.awk, opth-gen.awk, params.def, passes.c,
1995         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1996         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1997         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1998         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1999         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2000         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2001         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2002         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2003         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2004         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2005         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2006         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2007         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2008         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2009
2010 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2011
2012         PR other/43620
2013         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2014         * aclocal.m4: Regenerate.
2015
2016 2010-04-02  Richard Guenther  <rguenther@suse.de>
2017
2018         PR tree-optimization/43629
2019         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2020         if we have seen a constant value.
2021
2022 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2023
2024         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2025
2026 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2027
2028         PR target/43469
2029         * arm.c (legitimize_tls_address): Adjust call to
2030         gen_tls_load_dot_plus_four.
2031         (arm_note_pic_base): New function.
2032         (arm_cannot_copy_insn_p): Use it.
2033         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2034         constraint.
2035
2036 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2037
2038         PR bootstrap/43531
2039
2040         Revert:
2041         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2042
2043         * Makefile.in ($(out_object_file)): Depend on
2044         gt-$(basename $(notdir $(out_file))).h.
2045
2046 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2047
2048         * config.gcc (lm32-*-rtems*): Add t-lm32.
2049
2050 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2051
2052         * config.gcc: Add lm32-*-rtems*.
2053         * config/lm32/rtems.h: New file.
2054
2055 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2056
2057         PR target/42609
2058         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2059
2060 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2061
2062         * dwarf2out.c (output_compilation_unit_header): For
2063         -gdwarf-4 use version 4 instead of version 3.
2064         (output_line_info): For version 4 and above emit additional
2065         maximum ops per insn header field.
2066         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2067
2068         * dwarf2out.c (is_c_family, is_java): Remove.
2069         (lower_bound_default): New function.
2070         (add_bound_info, gen_descr_array_type_die): Use it.
2071
2072 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2073
2074         PR debug/43325
2075         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2076         re-declaration when it happens in a function.
2077
2078 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2079
2080         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2081         (cgraph_remove_function_insertion_hook): Same.
2082         (cgraph_call_function_insertion_hooks): Same.
2083
2084 2010-04-01  Richard Guenther  <rguenther@suse.de>
2085
2086         PR middle-end/43614
2087         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2088         and TREE_THIS_VOLATILE.
2089         (copy_ref_info): Likewise.
2090         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2091         * tree.c (build6_stat): Ignore side-effects of all but arg5
2092         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2093         TARGET_MEM_REF.
2094
2095 2010-04-01  Richard Guenther  <rguenther@suse.de>
2096
2097         PR tree-optimization/43607
2098         * ipa-type-escape.c (check_call): Do not access non-existing
2099         arguments.
2100
2101 2010-04-01  Richard Guenther  <rguenther@suse.de>
2102
2103         PR middle-end/43602
2104         Revert
2105         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2106                     Jack Howarth <howarth@bromo.med.uc.edu>
2107
2108         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2109         variables TLS.
2110
2111 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2112
2113         * doc/install.texi (Prerequisites): Document libelf usability on
2114         IRIX 5/6 and Solaris 2.
2115         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2116         Update GNU as, GNU ld requirements.
2117         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2118         Document Sun Studio compiler download.
2119         Update and simplify as, ld recommendations.
2120         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2121
2122 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2123
2124         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2125         with_tune_32 to pentium4.
2126
2127 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2128
2129         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2130
2131 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2132
2133         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2134         obsoletion, removal.
2135         Update IDO URL.
2136         Document GNU as requirement.
2137         Update configure requirements.
2138         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2139         Recomment IRIX 6.5.18+.
2140         Document IDF/IDL requirement.
2141         Document GNU as requirement.
2142         Document GNU ld bootstrap failure.
2143         Remove freeware.sgi.com reference.
2144
2145 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2146
2147         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2148         UNIX V4.0, V5.0 obsoletion, removal.
2149         Remove --with-gc=simple reference.
2150         Update VM requirements during bootstrap.
2151         Remove -oldas bootstrap description.
2152         Update binutils reference.
2153         Remove comparison failure note.
2154
2155 2010-03-31  Richard Guenther  <rguenther@suse.de>
2156             Zdenek Dvorak  <ook@ucw.cz>
2157             Sebastian Pop  <sebastian.pop@amd.com>
2158
2159         PR middle-end/43464
2160         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2161         with multiple arguments.
2162         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2163
2164 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2165
2166         * graphite-dependences.c (print_pddr): Call print_pdr with an
2167         extra argument.
2168         * graphite-poly.c (debug_pdr): Add an extra argument for the
2169         verbosity level.
2170         (print_pdr): Same.
2171         (print_pbb_domain): Same.
2172         (print_pbb): Same.
2173         (print_scop_context): Same.
2174         (print_scop): Same.
2175         (print_cloog): Same.
2176         (debug_pbb_domain): Same.
2177         (debug_pbb): Same.
2178         (print_pdrs): Same.
2179         (debug_pdrs): Same.
2180         (debug_scop_context): Same.
2181         (debug_scop): Same.
2182         (debug_cloog): Same.
2183         (print_scop_params): Same.
2184         (debug_scop_params): Same.
2185         (print_iteration_domain): Same.
2186         (print_iteration_domains): Same.
2187         (debug_iteration_domain): Same.
2188         (debug_iteration_domains): Same.
2189         (print_scattering_function): Same.
2190         (print_scattering_functions): Same.
2191         (debug_scattering_function): Same.
2192         (debug_scattering_functions): Same.
2193         * graphite-poly.h (debug_pdr): Update declaration.
2194         (print_pdr): Same.
2195         (print_pbb_domain): Same.
2196         (print_pbb): Same.
2197         (print_scop_context): Same.
2198         (print_scop): Same.
2199         (print_cloog): Same.
2200         (debug_pbb_domain): Same.
2201         (debug_pbb): Same.
2202         (print_pdrs): Same.
2203         (debug_pdrs): Same.
2204         (debug_scop_context): Same.
2205         (debug_scop): Same.
2206         (debug_cloog): Same.
2207         (print_scop_params): Same.
2208         (debug_scop_params): Same.
2209         (print_iteration_domain): Same.
2210         (print_iteration_domains): Same.
2211         (debug_iteration_domain): Same.
2212         (debug_iteration_domains): Same.
2213         (print_scattering_function): Same.
2214         (print_scattering_functions): Same.
2215         (debug_scattering_function): Same.
2216         (debug_scattering_functions): Same.
2217
2218 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2219
2220         * graphite-poly.c (print_scattering_function_1): New.
2221         (print_scattering_function): Call it.
2222         (print_scop_params): Remove spaces at the end of lines.
2223         (print_cloog): New.
2224         (debug_cloog): New.
2225         * graphite-poly.h (print_cloog): Declared.
2226         (debug_cloog): Declared.
2227
2228 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2229
2230         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2231         in loop->header.
2232         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2233         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2234         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2235         to switch between adding the IV bump in loop->latch or in loop->header.
2236
2237 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2238
2239         * graphite-poly.c (print_scattering_function): Pretty print following
2240         the scoplib format.
2241         (print_pdr): Same.
2242         (print_pbb_domain): Same.
2243         (dump_gbb_cases): Same.
2244         (dump_gbb_conditions): Same.
2245         (print_pdrs): Same.
2246         (print_pbb): Same.
2247         (print_scop_params): Same.
2248         (print_scop_context): Same.
2249         (print_scop): Same.
2250         (print_pbb_body): New.
2251         (lst_indent_to): New.
2252         (print_lst): Start new lines with a #.
2253         * graphite-poly.h (pbb_bb): New.
2254         (pbb_index): Use pbb_bb.
2255         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2256         disjuncts.
2257         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2258
2259 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2260
2261         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2262         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2263         and 0 instead of 1 for dw_val_class_flag.
2264         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2265         dw_val_class_range_list, dw_val_class_loc_list,
2266         dw_val_class_lineptr and dw_val_class_macptr, use
2267         DW_FORM_flag_present for dw_val_class_flag and
2268         DW_FORM_exprloc for dw_val_class_loc.
2269         (output_die): For -gdwarf-4 print dw_val_class_loc
2270         size as uleb128 instead of 1 or 2 bytes and don't print
2271         anything for dw_val_class_flag.
2272
2273         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2274         instead of cselib_lookup following by tweaking locs->setting_insn.
2275
2276         PR bootstrap/43596
2277         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2278         even before returning from label, setjmp call or volatile asm
2279         handling.
2280
2281 2010-03-31  Richard Guenther  <rguenther@suse.de>
2282
2283         PR middle-end/43600
2284         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2285         temporary data on stack.
2286
2287 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2288
2289         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2290         (PUSHSECTION_ASM_OP): Remove.
2291         (POPSECTION_ASM_OP): Remove.
2292         (PUSHSECTION_FORMAT): Remove.
2293         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2294         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2295         * config/sol2.c (solaris_output_init_fini): Use it.
2296
2297 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2298
2299         PR 43574
2300         * opt-functions.awk (var_type_struct): Use signed char type
2301         for simple variables.
2302
2303 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2304
2305         * config/sol2.c: Include output.h.
2306         (solaris_assemble_visibility): New function.
2307         * config/t-sol2 (sol2.o): Add output.h dependency.
2308         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2309         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2310         Redefine.
2311
2312 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2313
2314         PR target/43580
2315         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2316         V2SImode or XFmode on PRE_DEC.
2317
2318         PR debug/43557
2319         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2320         BLKmode.
2321
2322 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2323
2324         PR 43562
2325         * reload.h (caller_save_initialized_p): Declare.
2326         * toplev.c (backend_init_target): Don't call
2327         init_caller_save but set caller_save_initialized_p to false.
2328         * caller-save.c (caller_save_initialized_p): Define.
2329         (init_caller_save): Check caller_save_initialized_p.
2330         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2331
2332 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2333
2334         PR target/39048
2335         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2336         and soft-fp/t-softfp to tmake_file.
2337         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2338         (LIBGCC2_TF_CEXT): Define.
2339         (TF_SIZE): Define.
2340
2341 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2342
2343         PR debug/42977
2344         * cselib.c (n_useless_values): Document handling of debug locs.
2345         (n_useless_debug_values, n_debug_values): New variables.
2346         (new_elt_loc_list): Don't add to debug values, keep count.
2347         (promote_debug_loc): New.
2348         (cselib_reset_table): Zero new variables.
2349         (entry_and_rtx_equal_p): Promote debug locs.
2350         (discard_useless_locs): Increment n_useless_debug_values for
2351         debug values.
2352         (remove_useless_values): Adjust n_useless_values and n_debug_values
2353         with n_useless_debug_values.
2354         (add_mem_for_addr): Promote debug locs.
2355         (cselib_lookup_mem): Likewise.
2356         (cselib_lookup_addr): Renamed to...
2357         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2358         (cselib_log_lookup): ... this.  Turn into...
2359         (cselib_lookup_addr): ... new wrapper.
2360         (cselib_lookup_from_insn): New.
2361         (cselib_invalidate_regno): Increment n_useless_debug_values for
2362         debug values.
2363         (cselib_invalidate_mem): Likewise.
2364         (cselib_process_insn): Take n_deleted and n_debug_values into
2365         account to guard remove_useless_value call.
2366         (cselib_finish): Zero n_useless_debug_values.
2367         * cselib.h (cselib_lookup_from_insn): Declare.
2368         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2369         (sched_analyze_2): Likewise.
2370
2371 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2372
2373         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2374         functions.
2375         (adjust_mems): Replace narrowing SUBREG of expression containing
2376         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2377         with operations in the narrower mode.
2378
2379         PR debug/43593
2380         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2381         regs_invalidated_by_call instead all call_used_reg_set registers.
2382
2383 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2384
2385         PR middle-end/43430
2386         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2387         pointer comparisons with types_compatible_p.
2388         * tree-vect-stmts.c (vectorizable_call): Same.
2389         (vectorizable_condition): Same.
2390
2391 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2392
2393         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2394         stack check if the mask would be zero.
2395
2396 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2397             Jack Howarth <howarth@bromo.med.uc.edu>
2398
2399         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2400         variables TLS.
2401
2402 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2403
2404         PR other/25232
2405         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2406         and __unordtf2.
2407         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2408         Include ___unordxf2 and ___unordtf2.
2409         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2410         GCC_4.4.0 here.
2411
2412 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2413
2414         * config/lm32/t-lm32: New file.
2415         * config.gcc: Use the above file when targetting lm32.
2416
2417 2010-03-28  Duncan Sands  <baldrick@free.fr>
2418
2419         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2420
2421 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2422
2423         PR middle-end/43431
2424         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2425         Improve vectorization cost model diagnostic.
2426
2427 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         PR middle-end/43436
2430         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2431         compute_data_dependences_for_loop returns false, early exit
2432         and output an extra diagnostic for the failed data reference
2433         analysis.
2434
2435 2010-03-29  Richard Guenther  <rguenther@suse.de>
2436
2437         PR tree-optimization/43560
2438         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2439         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2440
2441 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2442
2443         PR 43564
2444         * toplev.c (process_options): Set optimization_default_node
2445         and optimization_current_node.
2446         * opts.c (decode_options): Don't set optimization_default_node
2447         and optimization_current_node.
2448
2449 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2450
2451         * config/rtems.h: Abandon -qrtems_debug.
2452
2453 2010-03-28  Jan Hubicka  <jh@suse.cz>
2454
2455         PR tree-optimization/43505
2456         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2457         map should not be copied.
2458
2459 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2460
2461         PR middle-end/41674
2462         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2463         cdtors, set DECL_PRESERVE_P.
2464         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2465         should be preseved.
2466
2467 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2468
2469         PR tree-optimization/43528
2470         * stor-layout.c (place_field): Check that constant fits into
2471         unsigned HWI when skipping calculation of MS bitfield layout.
2472
2473 2010-03-27  Jan Hubicka  <jh@suse.cz>
2474
2475         PR middle-end/43391
2476         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2477         notice_global_symbol work.
2478
2479 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2480
2481         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2482         instead of dwarf2out_decl.
2483         (struct var_loc_node): Remove section_label field.
2484         (dwarf2out_function_decl): New function.
2485         (dwarf2out_var_location): Don't set section_label field.
2486         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2487
2488 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2489
2490         PR tree-optimization/43544
2491         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2492         First argument for builtin vectorized function hook is now a
2493         tree to be able to distinguish between machine specific and
2494         standard builtins.
2495         * targhooks.c (default_builtin_vectorized_function): Ditto.
2496         * targhooks.h (default_builtin_vectorized_function): Ditto.
2497         * target.h (struct gcc_target): Ditto.
2498         * tree-vect-stmts.c (vectorizable_function): Ditto.
2499         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2500         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2501         Ditto.
2502
2503 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2504
2505         PR c/43381
2506         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2507         nested binding iff it is a FUNCTION_DECL.
2508         (store_parm_decls_newstyle): Pass nested=true to bind for
2509         FUNCTION_DECLs amongst parameters.
2510
2511 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2512
2513         * var-tracking.c (vt_expand_loc_callback): Don't run
2514         cselib_expand_value_rtx_cb in dummy mode if
2515         cselib_dummy_expand_value_rtx_cb returned false.
2516
2517         * var-tracking.c (emit_note_insn_var_location): For one part
2518         notes with offset 0, don't add EXPR_LIST around the location.
2519         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2520         add_location_or_const_value_attribute): Adjust for that change.
2521
2522         PR debug/43540
2523         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2524         into first operand and location into second.
2525         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2526         dw_cfi_oprnd_loc for DW_CFA_expression.
2527         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2528         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2529         assume first argument is regnum and second argument is location.
2530
2531 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2532
2533         PR target/42113
2534         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2535         of scratch register to DImode.  Split to DImode comparison operator.
2536         Use SImode subreg of scratch register in the multiplication.
2537         (*cmp_sadd_sidi): Ditto.
2538         (*cmp_ssub_si): Ditto.
2539         (*cmp_ssub_sidi): Ditto.
2540
2541 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2542
2543         PR target/43524
2544         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2545         Remove invalid assert and wrong comment.
2546
2547 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2548
2549         PR debug/43516
2550         * flags.h (final_insns_dump_p): New extern.
2551         * final.c (final_insns_dump_p): New variable.
2552         (rest_of_clean_state): Set it before -fdump-final-insns=
2553         dumping, clear afterwards.
2554         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2555         MEM_ALIAS_SET on MEMs.
2556
2557 2010-03-26  David S. Miller  <davem@davemloft.net>
2558
2559         * configure.ac: Fix sparc GOTDATA_OP bug check.
2560         * configure: Rebuild.
2561
2562 2010-03-26  Alan Modra  <amodra@gmail.com>
2563
2564         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2565
2566 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2567
2568         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2569         TLS_SECTION_ASM_FLAG.
2570
2571 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2572
2573         PR bootstrap/43511
2574         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2575         Clear first_function_block_is_cold.
2576
2577         PR c/43385
2578         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2579         argument if the argument is truth_value_p.
2580
2581 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2582
2583         * config/rs6000/constraints.md: Update copyright year for my changes.
2584
2585         PR target/43484
2586         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2587         used in reg+reg addressing, swap registers.
2588
2589 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2590
2591         PR debug/43293
2592         * target.h (struct gcc_target): Add code_end hook.
2593         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2594         if not yet defined.
2595         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2596         * toplev.c (compile_file): Call targetm.asm_out.code_end
2597         hook before unwind info/debug info output.
2598         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2599         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2600         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2601         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2602         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2603         * config/i386/i386.c (ix86_file_end): Renamed to...
2604         (ix86_code_end): ... this.  Make static.  Don't call
2605         file_end_indicate_exec_stack.  Emit unwind info using
2606         final_start_function/final_end_function.
2607         (darwin_x86_file_end): Remove.
2608         (TARGET_ASM_CODE_END): Define.
2609         * config/i386/i386.h (TARGET_ASM_FILE_END,
2610         NEED_INDICATE_EXEC_STACK): Don't define.
2611         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2612         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2613         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2614         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2615
2616         PR target/43498
2617         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2618         at the beginning and final_end_function at the end.
2619         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2620
2621 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2622
2623         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2624         and Sun as TLS syntax.
2625         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2626         * configure: Regenerate.
2627         * config.in: Regenerate.
2628         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2629         (default_elf_asm_named_section): Use it.
2630         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2631         (i386_output_dwarf_dtprel): Likewise.
2632         (output_addr_const_extra): Likewise.
2633         (output_pic_addr_const): Lowercase @GOTTPOFF.
2634         (output_addr_const_extra): Likewise.
2635         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2636         (output_addr_const_extra): Likewise.
2637         (output_pic_addr_const): Lowercase @INDNTPOFF.
2638         (output_addr_const_extra): Likewise.
2639         (output_pic_addr_const): Lowercase @NTPOFF.
2640         (output_addr_const_extra): Likewise.
2641         (output_pic_addr_const): Lowercase @TPOFF.
2642         (output_addr_const_extra): Likewise.
2643         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2644         (*tls_global_dynamic_64): Likewise.
2645         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2646         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2647
2648         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2649         (ASM_OUTPUT_TLS_COMMON): Use it.
2650         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2651
2652         PR target/38118
2653         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2654         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2655         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2656         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2657         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2658         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2659
2660 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2661
2662         * config/i386/i386.c (override_options): Don't accept
2663         -mtls-dialect=sun any longer.
2664         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2665         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2666         (*tls_local_dynamic_base_32_sun): Likewise.
2667         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2668
2669 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2670
2671         PR debug/43508
2672         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2673         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2674
2675         PR debug/43479
2676         * ira.c (adjust_cleared_regs): New function.
2677         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2678
2679         PR debug/19192
2680         PR debug/43479
2681         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2682         from gimple_block.
2683         * expr.c (expand_expr_real): Restore previous
2684         curr_insn_source_location and curr_insn_block after
2685         expand_expr_real_1 call.
2686         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2687         instead of expand_expr_real_1.
2688
2689 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2690
2691         PR rtl-optimization/43413
2692         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2693         hard regs too.
2694
2695 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2696
2697         PR target/43348
2698         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2699         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2700
2701 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2702
2703         * config/i386/i386.c (ix86_target_string): Add -mfma.
2704         Fix a typo in comment.
2705
2706 2010-03-22  Mike Stump  <mikestump@comcast.net>
2707
2708         PR target/23071
2709         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2710         Don't overly align based upon packed packed fields.
2711
2712 2010-03-22  Jason Merrill  <jason@redhat.com>
2713
2714         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2715         Use () rather than [], and move before the element type.
2716
2717 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2718
2719         * doc/configfiles.texi (Configuration Files): Removed
2720         fixinc/Makefile*, intl/Makefile.*.
2721         * doc/makefile.texi: Fixed markup. Abstract from version
2722         control system used.
2723         (Makefile): Removed obsolete gcc/java/parse.y example.
2724         * doc/sourcebuild.texi: Likewise.
2725         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2726         libgomp, libssp.  Removed fastjar.
2727         (Miscellaneous Docs): Clarify location.
2728         Added COPYING3, COPYING3.LIB.
2729         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2730
2731 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2732
2733         PR target/38085
2734         * config/i386/i386.c (x86_function_profiler)
2735         [!NO_PROFILE_COUNTERS]: Fix typo.
2736         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2737         instead of callq.
2738
2739 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2740             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2741
2742         * doc/sourcebuild.texi (Test Directives): Split into six
2743         subsections, with most of the current text in new subsections
2744         Directives, Selectors, and Final Actions.
2745         (Directives): Split list of test directives into multiple
2746         subsubsections.
2747         (Selectors): Describe use and syntax of selectors.
2748         (Effective-Target Keywords): Describe all existing keywords.
2749         (Add Options): Describe features for dg-add-options.
2750         (Require Support): Describe variants of dg-require-support.
2751         (Final Actions): Describe commands to use in dg-final.
2752
2753 2010-03-22  Michael Matz  <matz@suse.de>
2754
2755         PR middle-end/43475
2756         * recog.c (validate_replace_rtx_group): Replace also in
2757         REG_EQUAL and REG_EQUIV notes.
2758
2759 2010-03-22  Richard Guenther  <rguenther@suse.de>
2760
2761         PR tree-optimization/43390
2762         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2763         sure vector extracts are type correct.
2764
2765 2010-03-22  Richard Guenther  <rguenther@suse.de>
2766
2767         PR middle-end/40106
2768         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2769         x * sqrt (x) even when optimizing for size if the target
2770         has native support for sqrt.
2771
2772 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2773
2774         * varasm.c (make_decl_rtl_for_debug): Also clear
2775         flag_mudflap for the duration of make_decl_rtl call.
2776
2777         PR debug/43443
2778         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2779         locs from preserved VALUEs.
2780
2781 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2782
2783         PR middle-end/42718
2784         * pa.md (movmemsi): Set align to one if zero.
2785         (movmemdi): Likewise.
2786
2787 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2788
2789         PR target/42321
2790         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2791         with their corresponding prologue pushes.
2792
2793 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2794
2795         PR target/43156
2796         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2797         at the begining or end.
2798         (spu_expand_epilogue): Likewise.
2799
2800 2010-03-20  Richard Guenther  <rguenther@suse.de>
2801
2802         PR rtl-optimization/43438
2803         * combine.c (make_extraction): Properly zero-/sign-extend an
2804         extraction of the low part of a CONST_INT.  Also handle
2805         CONST_DOUBLE.
2806
2807 2010-03-19  Mike Stump  <mikestump@comcast.net>
2808
2809         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2810         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2811         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2812
2813 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2814
2815         PR c/43211
2816         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2817         an error.
2818
2819 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2820
2821         PR rtl-optimization/42258
2822         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2823         use that may match DEF.
2824
2825         PR target/40697
2826         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2827         the cost of loading the constant rather than assuming
2828         COSTS_N_INSNS (1).
2829         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2830         outer code is AND, do the same tests as the andsi3 expander and
2831         return COSTS_N_INSNS (1) if and is cheap.
2832
2833         * optabs.c (avoid_expensive_constant): Fix formatting.
2834
2835 2010-03-19  Michael Matz  <matz@suse.de>
2836
2837         PR c++/43116
2838         * attribs.c (decl_attributes): When rebuilding a function pointer
2839         type use the same qualifiers as the original pointer type.
2840
2841 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2842
2843         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2844         and is_gimple_ip_invariant_address.
2845
2846 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2847
2848         Revert
2849         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2850
2851         * config/arm/arm.c (arm_override_options): Turn off
2852         flag_dwarf2_cfi_asm for AAPCS variants.
2853
2854 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2855
2856         PR target/43399
2857         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2858         Use PRE_MODIFY instead of PRE_DEC.
2859         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2860         (vfp_emit_fstmd): Likewise.
2861
2862 2010-03-19  Michael Matz  <matz@suse.de>
2863
2864         PR target/43305
2865         * builtins.c (expand_builtin_interclass_mathfn,
2866         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2867         if that fails.
2868
2869 2010-03-19  Richard Guenther  <rguenther@suse.de>
2870
2871         PR tree-optimization/43415
2872         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2873         (phi_translate_1): ... this.
2874         (phi_translate): Move all caching here.  Cache all NARY
2875         and REFERENCE translations.
2876
2877 2010-03-19  David S. Miller  <davem@davemloft.net>
2878
2879         With help from Eric Botcazou.
2880         * config/sparc/sparc.c: Include dwarf2out.h.
2881         (emit_pic_helper): Delete.
2882         (pic_helper_symbol_name): Delete.
2883         (pic_helper_emitted_p): Delete.
2884         (pic_helper_needed): New.
2885         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2886         (get_pc_thunk_name): New.
2887         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2888         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2889         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2890         (sparc_expand_prologue): Update load_pic_register call.
2891         (sparc_output_mi_thunk): Likewise.
2892         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2893         thunk if possible.  Output CFI information as needed.
2894
2895 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2896             Jack Howarth <howarth@bromo.med.uc.edu>
2897
2898         PR target/36399
2899         * config/i386/i386.h: Fix ABI on darwin x86-32.
2900
2901 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2902
2903         * tree.h: Declare make_decl_rtl_for_debug.
2904         * varasm.c (make_decl_rtl_for_debug): New.
2905         * dwarf2out.c (rtl_for_decl_location): Call it.
2906         * cfgexpand.c (expand_debug_expr): Call it.
2907
2908 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2909
2910         PR bootstrap/43399
2911         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2912         mem_mode.
2913
2914         PR bootstrap/43403
2915         * var-tracking.c (vt_init_cfa_base): Do nothing if
2916         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2917
2918 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
2919
2920         PR debug/42873
2921         * var-tracking.c (canonicalize_vars_star): New.
2922         (dataflow_post_merge_adjust): Use it.
2923
2924 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2925
2926         PR debug/43058
2927         * var-tracking.c (non_suitable_const): New function.
2928         (add_uses): For DEBUG_INSNs with constants, don't record any
2929         value, instead just the constant value itself.
2930         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2931         is not VAR_LOC_UNKNOWN_P, set var to the constant.
2932         (emit_notes_in_bb): Likewise.
2933         (emit_note_insn_var_location): For onepart variables if
2934         cur_loc is a VOIDmode constant, use DECL_MODE.
2935
2936 2010-03-18  Martin Jambor  <mjambor@suse.cz>
2937
2938         PR middle-end/42450
2939         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2940         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2941         all non-clones.  Moved call redirection...
2942         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2943         (cgraph_materialize_all_clones): Dispose of all
2944         combined_args_to_skip bitmaps.
2945         (verify_cgraph_node): Do not check for edges pointing to wrong
2946         nodes in inline clones.
2947         * tree-inline.c (copy_bb): Call
2948         cgraph_redirect_edge_call_stmt_to_callee.
2949         * ipa.c (cgraph_remove_unreachable_nodes): Call
2950         cgraph_node_remove_callees even when there are used clones.
2951
2952 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2953
2954         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2955
2956 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2957
2958         PR target/43383
2959         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2960         for 32bit.
2961
2962 2010-03-18  Michael Matz  <matz@suse.de>
2963
2964         PR middle-end/43419
2965         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2966         into sqrt(x) if we need to preserve signed zeros.
2967
2968 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
2969             Eric Botcazou  <ebotcazou@adacore.com>
2970
2971         PR rtl-optimization/43360
2972         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2973         note if we don't know its invariant status.
2974
2975 2010-03-18  Michael Matz  <matz@suse.de>
2976
2977         PR tree-optimization/43402
2978         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2979         PHI chains of ssa names registered for update.
2980
2981 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
2982
2983         PR target/42427
2984         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2985         non-offsettable and pre_modify update addressing.
2986         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2987         and "2" alternatives "#".
2988         (*movdd_softfloat32): Make all alternatives "#";
2989         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2990         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2991         (*movdf_softfloat32): Make all alternatives "#";
2992         (movdi): Use the new DIFD mode iterator to create a common splitter
2993         for movdi, movdf and movdd patterns.
2994
2995 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
2996
2997         * common.opt (dumpdir): Remove redundant tab.
2998
2999 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3000
3001         PR tree-optimization/43347
3002         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3003         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3004
3005 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3006
3007         PR rtl-optimization/42216
3008         * regrename.c (create_new_chain): New function, broken out from...
3009         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3010         appending a use to an empty chain.
3011         (build_def_use): Remove previous changes that convert OP_INOUT to
3012         OP_OUT operands; instead detect the case where an OP_INOUT operand
3013         uses a previously untracked register and create an empty chain for it.
3014
3015 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3016
3017         * doc/extend.texi (Function Attributes): Rewrite unfinished
3018         sentence in ms_abi documentation.
3019
3020 2010-03-17  Alan Modra  <amodra@gmail.com>
3021
3022         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3023         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3024         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3025         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3026
3027 2010-03-16  Richard Henderson  <rth@redhat.com>
3028
3029         PR middle-end/43365
3030         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3031         (lower_try_finally): Save and restore eh_seq around the expansion
3032         of the try-finally.
3033
3034 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3035
3036         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3037         statements before splitting block.
3038
3039 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3040
3041         * doc/sourcebuild.texi (Testsuites): Fix markup.
3042         Use pathnames relative to gcc/testsuite.
3043         (Test Directives): Move description of how timeout is determined.
3044         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3045         (C Tests): Correct gcc.misc-tests directory.
3046         Framework tests now live in gcc.test-framework.
3047
3048 2010-03-16  Richard Guenther  <rguenther@suse.de>
3049
3050         PR middle-end/43379
3051         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3052         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3053
3054 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3055             Alexandre Oliva  <aoliva@redhat.com>
3056
3057         PR tree-optimization/42917
3058         * lambda-code.c (remove_iv): Skip debug statements.
3059         (lambda_loopnest_to_gcc_loopnest): Likewise.
3060         (not_interesting_stmt): Debug statements are not interesting.
3061
3062 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3063
3064         PR debug/43051
3065         PR debug/43092
3066         * cselib.c (cselib_preserve_constants,
3067         cfa_base_preserved_val): New static variables.
3068         (preserve_only_constants): New function.
3069         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3070         clear its REG_VALUES.  If cselib_preserve_constants, don't
3071         empty the whole hash table, but preserve there VALUEs with constants,
3072         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3073         (cselib_preserve_cfa_base_value): New function.
3074         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3075         (cselib_init): Change argument to int bitfield.  Set
3076         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3077         is in it.
3078         (cselib_finish): Clear cselib_preserve_constants and
3079         cfa_base_preserved_val.
3080         * cselib.h (enum cselib_record_what): New enum.
3081         (cselib_init): Change argument to int.
3082         (cselib_preserve_cfa_base_value): New prototype.
3083         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3084         * dse.c (dse_step1): Likewise.
3085         * cfgcleanup.c (thread_jump): Likewise.
3086         * sched-deps.c (sched_analyze): Likewise.
3087         * gcse.c (local_cprop_pass): Likewise.
3088         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3089         If FN is non-NULL, call the callback always and whenever it returns
3090         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3091         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3092         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3093         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3094         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3095         * var-tracking.c: Include recog.h.
3096         (bb_stack_adjust_offset): Remove.
3097         (vt_stack_adjustments): Don't call it, instead just gather the
3098         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3099         (adjust_stack_reference): Remove.
3100         (compute_cfa_pointer): New function.
3101         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3102         (struct adjust_mem_data): New type.
3103         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3104         functions.
3105         (get_address_mode): New function.
3106         (replace_expr_with_values): Use it.
3107         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3108         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3109         (adjust_sets): Remove.
3110         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3111         Use get_address_mode.
3112         (get_adjusted_src): Remove.
3113         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3114         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3115         (add_with_sets): Don't call adjust_sets.
3116         (fp_setter, vt_init_cfa_base): New functions.
3117         (vt_initialize): Change return type to bool.  Move most of pool etc.
3118         initialization to the beginning of the function from end.  Pass
3119         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3120         If !frame_pointer_needed, call vt_stack_adjustment before mos
3121         vector is filled, call vt_init_cfa_base if argp/framep has been
3122         eliminated to sp.  If frame_pointer_needed and argp/framep has
3123         been eliminated to hard frame pointer, set
3124         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3125         encountering fp setter in the prologue.  For MO_ADJUST, call
3126         log_op_type before pusing the op into mos vector, not afterwards.
3127         Call adjust_insn before cselib_process_insn/add_with_sets,
3128         call cancel_changes (0) afterwards.
3129         (variable_tracking_main_1): Adjust for vt_initialize calling
3130         vt_stack_adjustments and returning whether it succeeded or not.
3131
3132 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3133
3134         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3135         debug statements.
3136
3137 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3138
3139         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3140         has been set.
3141         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3142         drap_reg has not been set.
3143
3144 2010-03-15  Michael Matz  <matz@suse.de>
3145
3146         PR middle-end/43300
3147         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3148         use it to expand block copies.
3149         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3150         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3151         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3152
3153 2010-03-15  Richard Guenther  <rguenther@suse.de>
3154
3155         PR tree-optimization/43367
3156         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3157         elimination check.
3158
3159 2010-03-15  Richard Guenther  <rguenther@suse.de>
3160
3161         PR tree-optimization/43317
3162         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3163
3164 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3165
3166         PR tree-optimization/43141
3167         * tree-sra.c (create_abstract_origin): New function.
3168         (modify_function): Call create_abstract_origin.
3169
3170 2010-03-15  Chris Demetriou  <cgd@google.com>
3171
3172         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3173         wasn't copied.
3174
3175 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3176
3177         PR middle-end/43354
3178         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3179         call insert_out_of_ssa_copy for default definitions.
3180
3181 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3182
3183         * graphite-clast-to-gimple.c (my_long_long): Defined.
3184         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3185         * graphite-sese-to-poly.c (my_long_long): Defined.
3186         (scop_ivs_can_be_represented): Use it.
3187
3188 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3189
3190         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3191         graphite-max-bbs-per-function, and loop-block-tile-size.
3192         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3193         with "maximum".
3194         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3195
3196 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3197
3198         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3199         forward declaration.
3200         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3201         (add_upper_bounds_from_estimated_nit): New.
3202         (build_loop_iteration_domains): Use it.
3203
3204 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3205
3206         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3207
3208 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3209
3210         PR middle-end/43306
3211         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3212         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3213
3214 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3215
3216         * graphite.c (graphite_initialize): To bound the number of bbs per
3217         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3218         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3219         * doc/invoke.texi: Document it.
3220
3221 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3222
3223         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3224         * graphite-sese-to-poly.h (build_poly_scop): Same.
3225
3226 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3227
3228         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3229         the number of parameters in the scop.  Use as an upper bound
3230         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3231         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3232         * doc/invoke.texi: Document it.
3233
3234 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3235
3236         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3237         * doc/c-tree.texi: Remove.
3238         * doc/generic.texi: Merge c-tree.texi here.
3239         * doc/gccint.texi (Trees): Remove menu entry.
3240         (c-tree.texi): Remove @include.
3241         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3242         * doc/languages.texi (Reading RTL): Ditto.
3243
3244 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3245
3246         PR target/42869
3247         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3248
3249 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3250
3251         PR middle-end/42431
3252         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3253         code added to work around reload clobbering CONST insns.
3254
3255 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3256
3257         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3258         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3259         (cselib_preserve_only_values): Remove retain argument, don't
3260         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3261         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3262         * var-tracking.c (micro_operation): Move insn field before union.
3263         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3264         (struct variable_tracking_info_def): Remove n_mos field, change
3265         mos into a vector of micro_operations.
3266         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3267         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3268         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3269         changing into a vector.
3270         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3271         come before all other uops generated by add_stores.
3272         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3273         argument removal.
3274         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3275         a vector.  Run just one pass over the bbs instead of separate counting
3276         and computation phase.
3277         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3278
3279         PR debug/43329
3280         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3281         into *nonlocalized_list vector.
3282         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3283         even if origin is non-NULL.
3284         (gen_variable_die): Likewise.
3285         (process_scope_var): Don't change origin.
3286         (gen_decl_die): Likewise.
3287         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3288         before adding new edges instead of after it, fix moving over
3289         debug stmts.
3290
3291 2010-03-11  David S. Miller  <davem@davemloft.net>
3292
3293         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3294         of four.
3295         * configure: Rebuild.
3296
3297 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3298
3299         PR tree-optimization/43257
3300         * tree.c (assign_assembler_name_if_neeeded): New function.
3301         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3302         above new function.
3303         * tree.h (assign_assembler_name_if_neeeded): Declare.
3304         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3305         the function if needed.
3306
3307 2010-03-11  Chris Demetriou  <cgd@google.com>
3308
3309         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3310         include/stdint-gcc.h, and include/stdint.h world-readable.
3311
3312 2010-03-11  Richard Guenther  <rguenther@suse.de>
3313
3314         PR tree-optimization/43255
3315         * tree-vrp.c (process_assert_insertions_for): Do not insert
3316         asserts for trivial conditions.
3317
3318 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3319
3320         PR tree-optimization/43280
3321         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3322         generation.  Move calculation of size out of the if branch.
3323         (find_bswap): Modify compare number generation.
3324
3325 2010-03-11  Richard Guenther  <rguenther@suse.de>
3326
3327         PR lto/43200
3328         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3329         (input_gimple_stmt): Fixup handled component types during
3330         operand read.  Also fix up decls in ADDR_EXPRs.
3331
3332 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3333
3334         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3335         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3336
3337 2010-03-10  Jan Hubicka  <jh@suse.cz>
3338
3339         PR c/43288
3340         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3341         * varasm.c (get_variable_section): Don't do that here...
3342         (make_decl_rtl): ... and here.
3343         (do_assemble_alias): Produce decl RTL.
3344         (assemble_alias): Likewise.
3345
3346 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3347
3348         PR debug/43290
3349         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3350         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3351         of fde->vdrap_reg.
3352         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3353         (based_loc_descr): Only express drap or vdrap regno based expressions
3354         using DW_OP_fbreg when not optimizing.
3355         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3356         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3357         REG_CFA_SET_VDRAP note.
3358
3359 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3360
3361         PR tree-optimization/43236
3362         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3363         error in calculation of base address in reverse iteration case.
3364         (generate_builtin): Take number of latch executions if the statement
3365         is in the latch.
3366
3367 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3368
3369         PR middle-end/42859
3370         * tree-eh.c: Include pointer-set.h.
3371         (lower_eh_dispatch): Filter out duplicate case labels and
3372         remove the unneeded edge when the label is unused.  Return
3373         true when some edges are removed.
3374         (execute_lower_eh_dispatch): When any lowering resulted in
3375         removing an edge, also delete unreachable blocks.
3376
3377 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3378
3379         PR bootstrap/43287
3380         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3381         UNSPEC_MACHOPIC_OFFSET.
3382
3383 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3384
3385         PR target/43294
3386         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3387         (m68k_delegitimize_address): New function.
3388
3389 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3390
3391         PR debug/43299
3392         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3393
3394         PR debug/43299
3395         * var-tracking.c (adjust_sets): New function.
3396         (count_with_sets, add_with_sets): Use it.
3397         (get_adjusted_src): New inline function.
3398         (add_stores): Use it.
3399
3400         PR debug/43304
3401         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3402         call cselib_dummy_expand_value_rtx_cb instead of
3403         cselib_expand_value_rtx_cb.
3404
3405         PR debug/43293
3406         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3407         * config/i386/i386.c: Include debug.h and dwarf2out.h.
3408         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3409         and .cfi_endproc around the pic thunks.
3410         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3411         all queued unwind info register saves are saved before the call.
3412         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3413         considered as sp-=4 for unwind info and the pop as sp+=4 which
3414         also clobbers dest, but doesn't actually restore it.
3415
3416         PR debug/43290
3417         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3418         RTX_FRAME_RELATED_P.
3419
3420 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3421
3422         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3423         whitespaces in output template.
3424
3425 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3426
3427         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3428         out array boundary.
3429
3430 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3431
3432         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3433         builtins.exp in a separate job.
3434
3435 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3436
3437         * graphite-sese-to-poly.c (add_param_constraints): Use
3438         lower_bound_in_type and upper_bound_in_type.
3439
3440 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3441
3442         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3443         instead of unsigned_type_node.
3444
3445 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3446             Reza Yazdani  <reza.yazdani@amd.com>