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1 2010-04-20  Anatoly Sokolov  <aesok@post.ru
2
3         * double-int.h (double_int_setbit): Declare.
4         * double-int.c (double_int_setbit): New function.
5         * rtl.h (immed_double_int_const): Declare.
6         * emit-rtl.c (immed_double_int_const): New function.
7         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
8         and immed_double_int_const functions.
9         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
10         expand_copysign_bit):  (Ditto.).
11         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
12         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
13         * dojump.c (prefer_and_bit_test): (Ditto.).
14         * expr.c (convert_modes, reduce_to_bit_field_precision,
15         const_vector_from_tree): (Ditto.).
16         * expmed.c (mask_rtx, lshift_value): (Ditto.).
17
18 2010-04-20  Jan Hubicka  <jh@suse.cz>
19
20         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
21         (dump_cgraph_node): Dump new flags.
22         * cgraph.h (struct cgraph_node): Add flags reachable_from_other_partition
23         and in_other_partition.
24         (cgraph_can_remove_if_no_direct_calls_p): Functions used by other partition
25         can not be removed.
26         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by the other
27         partition must be output; silence sanity checking on leaking functions
28         bodies from other paritition.
29         * lto-cgraph.c (reachable_from_other_partition_p): New function.
30         (lto_output_node): Output new flags; do not sanity check that inline
31         clones are output; drop lto_forced_extern_inline_p code; do not mock
32         visibility flags at partition boundaries.
33         (add_node_to): New function.
34         (output_cgraph): Use it to sort functions so masters appear before
35         clones.
36         (input_overwrite_node): Input new flags.
37         * passes.c (ipa_write_summaries): Do not call
38         lto_new_extern_inline_states.
39         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
40         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
41         lto_forced_extern_inline_p): Kill.
42         * lto-streamer.h (lto_new_extern_inline_states,
43         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
44         lto_forced_extern_inline_p): Kill.
45
46 2010-04-20  Richard Guenther  <rguenther@suse.de>
47
48         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
49         from vars that can have pointers.
50         (process_constraint): Dump useless constraints.
51
52 2010-04-20  Richard Guenther  <rguenther@suse.de>
53
54         * tree-ssa-structalias.c (do_structure_copy): Properly handle
55         DEREF.
56         (dump_sa_points_to_info): Remove asserts.
57         (init_base_vars): nothing_id isn't an escape point nor does it
58         have pointers.
59
60 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
61
62         * tree.h (TYPE_REF_IS_RVALUE): Define.
63         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
64         should_move_die_to_comdat, prune_unused_types_walk): Handle
65         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
66         (modified_type_die, gen_reference_type_die): Emit
67         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
68         if TYPE_REF_IS_RVALUE and -gdwarf-4.
69
70 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
71
72         PR target/43635
73         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
74         calls for -fpic -m31 if they have been sibcall optimized.
75
76 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
77
78         PR rtl-optimization/43520
79         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
80         ar.lc fixed and call-used.
81
82         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
83
84 2010-04-19  Jan Hubicka  <jh@suse.cz>
85
86         * opts.c (decode_options): Disable whpr incompatible passes.
87         * lto/lto.c (lto_1_to_1_map): Skip clones.
88         (read_cgraph_and_symbols): Do not mark everything as needed.
89         (do_whole_program_analysis): Do map only after optimizing;
90         set proper cgraph_state; use passmanager.
91
92 2010-04-19  DJ Delorie  <dj@redhat.com>
93
94         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
95         POINTER_PLUS_EXPR and fix them.
96
97 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
98
99         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
100         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
101         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
102         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
103         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
104         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
105         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
106         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
107         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
108         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
109         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
110
111 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
112
113         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
114         (check_cond_move_block): Likewise.
115         (cond_move_process_if_block): Likewise.
116         (noce_find_if_block): Improve formatting.
117         (find_if_header): Pass 0 to memset and tweak conditions.
118         (cond_exec_find_if_block): Fix long lines and tweak conditions.
119
120 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
121
122         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return
123         0 for -gdwarf-4.
124
125         PR middle-end/43337
126         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
127         with non-local decl doesn't need chain.
128
129 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
130
131         * ira-color.c (allocno_reload_assign): Avoid accumulating
132         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
133
134 2010-04-19  Martin Jambor  <mjambor@suse.cz>
135
136         * gimple.h (create_tmp_reg): Declare.
137         * gimplify.c (create_tmp_reg): New function.
138         (gimplify_return_expr): Use create_tmp_reg.
139         (gimplify_omp_atomic): Likewise.
140         (gimple_regimplify_operands): Likewise.
141         * tree-dfa.c (make_rename_temp): Likewise.
142         * tree-predcom.c (predcom_tmp_var): Likewise.
143         (reassociate_to_the_same_stmt): Likewise.
144         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
145         (get_replaced_param_substitute): Likewise.
146         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
147         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
148         * tree-ssa-pre.c (get_representative_for): Likewise.
149         (create_expression_by_pieces): Likewise.
150         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
151         (create_tailcall_accumulator): Likewise.
152
153 2010-04-19  Martin Jambor  <mjambor@suse.cz>
154
155         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
156         new_stmt.
157         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
158
159 2010-04-19  Richard Guenther  <rguenther@suse.de>
160
161         PR tree-optimization/43796
162         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
163         from SCEV in the lattice.
164         (vrp_visit_phi_node): Dump change.
165
166 2010-04-19  Richard Guenther  <rguenther@suse.de>
167
168         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
169         * configure: Re-generated.
170
171 2010-04-19  Richard Guenther  <rguenther@suse.de>
172
173         PR tree-optimization/43783
174         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
175         constant ARRAY_REF operands two and three if possible.
176
177 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
178
179         PR target/43766
180         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
181
182 2010-04-19  Jie Zhang  <jie@codesourcery.com>
183
184         PR target/43662
185         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
186
187 2010-04-19 Ira Rosen <irar@il.ibm.com>
188
189         PR tree-optimization/37027
190         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions 
191         and macro to access it.
192         (vectorizable_reduction): Add argument.
193         (vect_get_slp_defs): Likewise.
194         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
195         statements for possible use in SLP.
196         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
197         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
198         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
199         add new argument.
200         (vectorizable_reduction): Likewise.
201         * tree-vect-stmts.c (vect_get_vec_defs): Update call to 
202         vect_get_slp_defs.
203         (vectorizable_type_demotion, vectorizable_type_promotion,
204         vectorizable_store): Likewise.
205         (vect_analyze_stmt): Update call to vectorizable_reduction.
206         (vect_transform_stmt): Likewise.
207         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
208         (vect_build_slp_tree): Fix indentation. Check that there are no loads
209         from different interleaving chains in same node.
210         (vect_slp_rearrange_stmts): New function.
211         (vect_supported_load_permutation_p): Allow load permutations for 
212         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
213         inside SLP nodes if necessary.
214         (vect_analyze_slp_instance): Handle reductions.
215         (vect_analyze_slp): Try to build SLP instances originating from groups
216         of reductions.
217         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
218         (vect_get_constant_vectors): Create initial vectors for reductions
219         according to reduction code. Add new argument.
220         (vect_get_slp_defs): Add new argument, pass it to 
221         vect_get_constant_vectors.
222         (vect_schedule_slp_instance): Remove SLP tree root statements.
223
224 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
225
226         * tree.h (ENUM_IS_SCOPED): Define.
227         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
228         for ENUM_IS_SCOPED enums.
229
230 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
231
232         * fold-const.c (fold_comparison): Use ssizetype.
233         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
234         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
235         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
236         * tree-object-size.c (compute_object_sizes): Use size_type_node.
237
238         * tree.h (initialize_sizetypes): Remove parameter.
239         (build_common_tree_nodes): Remove second parameter.
240         * stor-layout.c (initialize_sizetypes): Remove parameter.
241         Always create an unsigned type.
242         (set_sizetype): Assert that the passed type is unsigned and simplify.
243         * tree.c (build_common_tree_nodes): Remove second parameter.
244         Adjust call to initialize_sizetypes.
245         * c-decl.c (c_init_decl_processing): Remove second argument in call to
246         build_common_tree_nodes.
247
248 2010-04-18  Matthias Klose  <doko@ubuntu.com>
249
250         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
251
252 2010-04-18 Ira Rosen <irar@il.ibm.com> 
253
254         PR tree-optimization/43771
255         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
256         load permutation doesn't have gaps.
257
258 2010-04-18  Jan Hubicka  <jh@suse.cz>
259
260         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
261         (sse_prologue_save_insn expander): Use new pattern.
262         (sse_prologue_save_insn1): New pattern and splitter.
263         (sse_prologue_save_insn): Update to deal also with 64bit aligned
264         blocks.
265         * i386.c (setup_incoming_varargs_64): Do not compute jump
266         destination here.
267         (ix86_gimplify_va_arg): Update alignment needed.
268         (ix86_local_alignment): Do not align all local arrays to 128bit.
269
270 2010-04-17  Jan Hubicka  <jh@suse.cz>
271
272         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
273
274 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
275
276         * arm.md (negdi2): Remove redundant code to force values into a
277         register.
278
279 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
280
281         * arm/bpabi.S: Add EABI alignment attributes to objects.
282         * arm/bpabi-v6m.S: Likewise.
283         * arm/crti.asm: Likewise.
284         * arm/crtn.asm: Likewise.
285         * arm/lib1funcs.asm: Likewise.
286         * arm/libunwind.S: Likewise.
287
288 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
289
290         * arm-protos.h (tune_params): New structure.
291         * arm.c (current_tune): New variable.
292         (arm_constant_limit): Delete.
293         (struct processors): Add pointer to the tune parameters.
294         (arm_slowmul_tune): New tuning option.
295         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
296         (all_cores): Adjust to pick up the tuning model.
297         (arm_constant_limit): New function.
298         (arm_override_options): Select the appropriate tuning model.  Delete
299         initialization of arm_const_limit.
300         (arm_split_constant): Use the new constant-limit model.
301         (arm_rtx_costs): Pick up the current tuning model.
302         * arm.md (is_strongarm, is_xscale): Delete.
303         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
304         for Xscale variant architectures.
305         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
306
307 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
308
309         * config/arm/arm.c (arm_gen_constant): Remove unused variable
310         can_shift.
311         (arm_rtx_costs_1): Remove unused variable extra_cost.
312         (arm_unwind_emit_set): Use variable offset.
313         (thumb1_output_casesi): Remove unused variable flags.
314
315 2010-04-16  Jeff Law  <law@redhat.com>
316
317         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
318         needing assignment rather than doing a two-phase assignment.  Remove
319         unused variable 'm'.
320
321 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
322
323         PR bootstrap/43767
324         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
325
326 2010-04-16  Doug Kwan  <dougkwan@google.com>
327
328         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
329         (next_operand_entry_id): New static variable.
330         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
331         (add_to_ops_vec): Assigned unique ID to operand entry.
332         (struct oecount_s): New field ID.
333         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
334         (undistribute_ops_list): Assign unique IDs to oecounts.
335         (init_reassoc): reset next_operand_entry_id.
336
337 2010-04-16  Doug Kwan  <dougkwan@google.com>
338
339         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
340         missing left parenthesis.
341         
342 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
343
344         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
345         *btdi_rex64 using SWI48 mode iterator.
346         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
347         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
348         *jcc_btdi_mask_rex64.
349
350 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
351
352         * double-int.h (tree_to_double_int): Convert to macro.
353         * double-int.c (tree_to_double_int): Remove.
354
355 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
356
357         PR debug/43762
358         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
359         with want_address 2 and in case a single element list might be
360         possible, call it again with want_address 0.
361
362 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
363
364         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
365         case 'W' print operands for HI mode.
366         * config/h8300/h8300.h (Y0, Y2) : New constraints.
367         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
368         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
369         * config/h8300/predicate.md (bit_register_indirect_operand): New.
370
371         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
372
373         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx, 
374         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
375         #xx:3 and #xx:4 mode.
376
377         * config/h8300/h8300.md (inverted load with HImode dest): Add
378         support for H8300SX.
379
380         * config/h8300/predicate.md (bit_operand): Allow immediate values that
381         satisfy 'U' constraint.
382
383 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
384
385         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
386         flavor.
387         * configure: Regenerate.
388         * config.in: Regenerate.
389         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
390         works.
391
392 2010-04-16  Richard Guenther  <rguenther@suse.de>
393
394         * tree.h (struct tree_decl_minimal): Move pt_uid ...
395         (struct tree_decl_common): ... here.
396         (DECL_PT_UID): Adjust.
397         (SET_DECL_PT_UID): Likewise.
398         (DECL_PT_UID_SET_P): Likewise.
399
400 2010-04-16  Richard Guenther  <rguenther@suse.de>
401
402         PR tree-optimization/43572
403         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
404         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
405         * tree-flow.h (is_call_clobbered): Remove.
406         * tree-flow-inline.h (is_call_clobbered): Likewise.
407         * tree-dfa.c (dump_variable): Do not dump call clobber state.
408         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
409         (execute_return_slot_opt): Adjust.
410         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
411         check for call clobbered vars here.
412         (find_tail_calls): Move tailcall verification to the
413         proper place.
414
415 2010-04-16  Diego Novillo  <dnovillo@google.com>
416
417         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
418         handled.
419
420 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
421
422         PR target/40603
423         * config/arm/arm.md (cbranchqi4): New pattern.
424         * config/arm/predicates.md (const0_operand,
425         cbranchqi4_comparison_operator): New predicates.
426
427 2010-04-16  Richard Guenther  <rguenther@suse.de>
428
429         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
430         (dump_gimple_stmt): Likewise.
431
432 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
433
434         * recog.h (struct recog_data): New field is_operator.
435         (struct insn_operand_data): New field is_operator.
436         * recog.c (extract_insn): Set recog_data.is_operator.
437         * genoutput.c (output_operand_data): Emit code to set the
438         is_operator field.
439         * reload.c (find_reloads): Use it rather than testing for an
440         empty constraint string.
441
442         PR target/41514
443         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
444         If the previous insn is a cbranchsi4_insn with the same arguments,
445         omit the compare instruction.
446
447         * config/arm/arm.md (addsi3_cbranch): If destination is a high
448         register, inputs must be low registers and we need a low register
449         scratch.  Handle alternative 2 like alternative 3.
450
451 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
452
453         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
454         don't call get_addr on both.  If one expression is a VALUE and
455         the other a REG, check VALUE's locs if the REG isn't among them.
456
457 2010-04-16  Christian Bruel  <christian.bruel@st.com>
458
459         * config/sh/sh.h (sh_frame_pointer_required): New function.
460         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
461         (flag_omit_frame_pointer) Set.
462         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
463         (rounded_frame_size): Adjust size with outgoing_args_size.
464         (sh_set_return_address): Must return from stack pointer.
465         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
466         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
467         (ACCUMULATE_OUTGOING_ARGS): Define.
468         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
469         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
470
471 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
472
473         PR target/43471
474         * config/sh/sh.c (sh_legitimize_reload_address): Use
475         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
476         Remove a unneeded check for offset_base.
477
478 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
479
480         * configure: Regenerated.
481
482 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
483
484         * config/s390/s390.c (s390_call_save_register_used): Switch back
485         to HARD_REGNO_NREGS.
486
487 2010-04-15  Richard Guenther  <rguenther@suse.de>
488
489         * alias.c (alias_set_subset_of): Handle alias-set zero
490         child properly.
491
492 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
493             Julian Brown  <julian@codesourcery.com>
494
495         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
496         alternatives according to use of high and low regs.
497         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
498         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
499         optimizing for size on Thumb-2.
500
501 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
502
503         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
504
505 2010-04-15  Richard Guenther  <rguenther@suse.de>
506
507         * tree-ssa-structalias.c (struct variable_info): Add
508         is_fn_info flag.
509         (new_var_info): Initialize it.
510         (dump_constraints): Support printing last added constraints.
511         (debug_constraints): Adjust.
512         (dump_constraint_graph): Likewise.
513         (make_heapvar_for): Check for NULL cfun.
514         (get_function_part_constraint): New function.
515         (get_fi_for_callee): Likewise.
516         (find_func_aliases): Properly implement IPA PTA constraints.
517         (process_ipa_clobber): New function.
518         (find_func_clobbers): Likewise.
519         (insert_into_field_list_sorted): Remove.
520         (create_function_info_for): Properly allocate vars for IPA mode.
521         Do not use insert_into_field_list_sorted.
522         (create_variable_info_for): Properly generate constraints for
523         global vars in IPA mode.
524         (dump_solution_for_var): Always dump the solution.
525         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
526         (find_what_var_points_to): Adjust.
527         (pt_solution_set): Change.
528         (pt_solution_ior_into): New function.
529         (pt_solution_empty_p): Export.
530         (pt_solution_includes_global): Adjust.
531         (pt_solution_includes_1): Likewise.
532         (pt_solutions_intersect_1): Likewise.
533         (dump_sa_points_to_info): Check some invariants.
534         (solve_constraints): Move constraint dumping ...
535         (compute_points_to_sets): ... here.
536         (ipa_pta_execute): ... and here.
537         (compute_may_aliases): Do not re-compute points-to info
538         locally if IPA info is available.
539         (ipa_escaped_pt): New global var.
540         (ipa_pta_execute): Properly implement IPA PTA.
541         * tree-into-ssa.c (dump_decl_set): Support dumping
542         decls not in referenced-vars.
543         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
544         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
545         (dump_points_to_solution): Likewise.
546         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
547         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
548         (remap_gimple_stmt): Reset call clobber/use information if
549         necessary.
550         (copy_decl_to_var): Copy DECL_PT_UID.
551         (copy_result_decl_to_var): Likewise.
552         * tree.c (make_node_stat): Initialize DECL_PT_UID.
553         (copy_node_stat): Copy it.
554         * tree.h (DECL_PT_UID): New macro.
555         (SET_DECL_PT_UID): Likewise.
556         (DECL_PT_UID_SET_P): Likewise.
557         (struct tree_decl_minimal): Add pt_uid member.
558         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
559         (pt_solution_empty_p): Declare.
560         (pt_solution_set): Adjust.
561         (ipa_escaped_pt): Declare.
562         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
563         * gimple-pretty-print.c (pp_points_to_solution): New function.
564         (dump_gimple_call): Dump call clobber/use information.
565         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
566         * tree-pass.h (TDF_ALIAS): New dump option.
567         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
568         * doc/invoke.texi (-fipa-pta): Update documentation.
569
570 2010-04-15  Richard Guenther  <rguenther@suse.de>
571
572         * Makefile.in (OBJS-common): Add gimple-fold.o.
573         (gimple-fold.o): New rule.
574         * tree.h (maybe_fold_offset_to_reference,
575         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
576         prototypes ...
577         * gimple.h: ... here.
578         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
579         may_propagate_address_into_dereference): Move prototypes ...
580         * gimple.h: ... here.
581         * tree-ssa-ccp.c (get_symbol_constant_value,
582         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
583         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
584         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
585         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
586         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
587         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
588         gimplify_and_update_call_from_tree): Move ...
589         * gimple-fold.c: ... here.  New file.
590         (ccp_fold_builtin): Rename to ...
591         (gimple_fold_builtin): ... this.
592         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
593
594 2010-04-15  Richard Guenther  <rguenther@suse.de>
595
596         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
597         fit_double_type, force_fit_type_double, add_double_with_sign,
598         neg_double, mul_double_with_sign, lshift_double, rshift_double,
599         lrotate_double, rrotate_double, div_and_round_double): Move ...
600         * double-int.c: ... here.
601         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
602         add_double, neg_double, mul_double_with_sign, mul_double,
603         lshift_double, rshift_double, lrotate_double, rrotate_double,
604         div_and_round_double): Move prototypes ...
605         * double-int.h: ... here.
606
607 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
608
609         PR target/43742
610         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
611         matching constraints to ensure inputs match the output.
612
613 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
614
615         PR target/43742
616         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
617         in an input-only operand.       
618
619 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
620
621         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
622         (double_int_not, double_int_lshift, double_int_rshift): Declare.
623         (double_int_negative_p): Convert to static inline function.
624         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
625         (double_int_negative_p): Remove.
626         * tree.h (lshift_double, rshift_double): 
627         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
628         * fold-const.c (fold_convert_const_int_from_real,
629         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
630         (lshift_double): Change type of arith argument to bool.
631         (rshift_double): Change type of arith argument to bool. Correct
632         comment.
633         * expmed.c (mask_rtx, lshift_value): (Ditto.).
634
635 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
636         
637         PR target/21803
638         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
639         at the start and end of the then/else blocks, and omit them from the
640         conversion.
641         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
642         argument; all callers changed.  Pass zero to old_insns_match_p instead.
643         (flow_find_head_matching_sequence): New function.
644         (old_insns_match_p): Check REG_EH_REGION notes for calls.
645         * basic-block.h (flow_find_cross_jump,
646         flow_find_head_matching_sequence): Declare functions.
647
648 2010-04-14  Jason Merrill  <jason@redhat.com>
649
650         PR c++/36625
651         * c-common.c (attribute_takes_identifier_p): New fn.
652         * c-common.h: Declare it.
653
654 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
655
656         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
657         splitter condition.
658         (*udivmod<mode>4): Ditto.
659
660 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
661
662         * config/i386/i386.md (maxmin_int): Rename code attribute from
663         maxminiprefix and update all users.
664         (maxmin_float): Ditto from maxminfprefix.
665         (logic): Ditto from logicprefix.
666         (absneg_mnemonic): Ditto from absnegprefix.
667         * config/i386/mmx.md: Update all users of maxminiprefix,
668         maxminfprefix and logicprefix for rename.
669         * config/i386/sse.md: Ditto.
670         * config/i386/sync.md (sync_<code><mode>): Update for
671         logicprefix rename.
672
673 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
674
675         PR 42966
676         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
677         warnings converted to errors.
678
679 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
680
681         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
682         used insn_type variable.
683         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
684         to avoid set-but-not-used warning.
685
686 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
687
688         * df-core.c (df_ref_debug): Change format string placeholder
689         from 0x%x to %#x.
690         * dwarf2asm.c (dw2_asm_output_data_raw,
691         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
692         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
693         * dwarf2out.c (output_cfi, output_cfi_directive,
694         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
695         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
696         Ditto.
697         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
698         * print-rtl.c (print_rtx): Ditto.
699
700 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
701
702         PR middle-end/42694
703         * builtins.c (expand_builtin_pow_root): New function to expand pow
704         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
705         series of sqrt and cbrt calls under -ffast-math.
706         (expand_builtin_pow): Call it.
707
708 2010-04-14  Michael Matz  <matz@suse.de>
709
710         PR tree-optimization/42963
711         * tree-cfg.c (touched_switch_bbs): New static variable.
712         (group_case_labels_stmt): New function broken out from ...
713         (group_case_labels): ... here, use the above.
714         (start_recording_case_labels): Allocate touched_switch_bbs.
715         (end_recording_case_labels): Deallocate it, call
716         group_case_labels_stmt.
717         (gimple_redirect_edge_and_branch): Remember index of affected BB.
718
719 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
720
721         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
722         from insn template.
723
724 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
725
726         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
727
728 2010-04-13  Jan Hubicka  <jh@suse.cz>
729
730         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
731         of optimized out static functions.
732         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
733         cost computation.  Also sanity check for overflows.
734         (update_caller_keys): Update cgraph_edge_badness call; properly
735         update fibheap and sanity check that it is up to date.
736         (add_new_edges_to_heap): Update cgraph_edge_badness.
737         (cgraph_decide_inlining_of_small_function): Likewise;
738         add sanity checking that badness in heap is up to date;
739         improve dumping of reason; Update badness of calls to the
740         offline copy of function currently inlined; dump badness
741         of functions not inlined because of unit growth limits.
742
743 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
744
745         PR middle-end/32628
746         * c-common.c (pointer_int_sum): Disregard overflow that occured only
747         because of sign-extension change when converting to sizetype here...
748         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
749
750         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
751         the folding to constants.  Remove redundant final conversion.
752         (fold_binary) <associate>: Do not associate if the re-association of
753         constants alone overflows.
754         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
755         to the end of the list.
756         (multiple_of_p) <COND_EXPR>: New case.
757
758 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
759
760         * opt-functions.awk (opt_sanitized_name): New.
761         (opt_enum): New.
762         * optc-gen.awk: Use it
763         * opth-gen.awk: Use it.
764
765 2010-04-13  Martin Jambor  <mjambor@suse.cz>
766
767         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
768         (sra_modify_assign): Delete stmts loading dead data even if racc has no
769         children.  Call replace_uses_with_default_def_ssa_name to handle
770         SSA_NAES on lhs.
771
772 2010-04-13  Michael Matz  <matz@suse.de>
773
774         PR middle-end/43730
775         * builtins.c (expand_builtin_interclass_mathfn): Also create
776         a register if the predicate doesn't match.
777
778 2010-04-13  Diego Novillo  <dnovillo@google.com>
779
780         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
781         * c-pch.c: Include timevar.h.
782         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
783         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
784         * ggc-common.c: Include timevar.h.
785         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
786         * timevar.def (TV_PCH_SAVE): Define.
787         (TV_PCH_CPP_SAVE): Define.
788         (TV_PCH_PTR_REALLOC): Define.
789         (TV_PCH_PTR_SORT): Define.
790         (TV_PCH_RESTORE): Define.
791         (TV_PCH_CPP_RESTORE): Define.
792
793 2010-04-13  Michael Matz  <matz@suse.de>
794
795         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
796         into MINUS_EXPRs.
797         (can_reassociate_p): New function.
798         (break_up_subtract_bb, reassociate_bb): Use it.
799
800 2010-04-13  Richard Guenther  <rguenther@suse.de>
801
802         PR bootstrap/43737
803         * builtins.c (c_readstr): Fix assert.
804
805 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
806
807         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
808         when generating cltd insn.
809
810         (*ashl<mode>3_1): Remove special handling for register operand 2.
811         (*ashlsi3_1_zext): Ditto.
812         (*ashlhi3_1): Ditto.
813         (*ashlhi3_1_lea): Ditto.
814         (*ashlqi3_1): Ditto.
815         (*ashlqi3_1_lea): Ditto.
816         (*<shiftrt_insn><mode>3_1): Ditto.
817         (*<shiftrt_insn>si3_1_zext): Ditto.
818         (*<shiftrt_insn>qi3_1_slp): Ditto.
819         (*<rotate_insn><mode>3_1): Ditto.
820         (*<rotate_insn>si3_1_zext): Ditto.
821         (*<rotate_insn>qi3_1_slp): Ditto.
822
823 2010-04-13  Richard Guenther  <rguenther@suse.de>
824
825         * tree-ssa-structalias.c (callused_id): Remove.
826         (call_stmt_vars): New.
827         (get_call_vi): Likewise.
828         (lookup_call_use_vi): Likewise.
829         (lookup_call_clobber_vi): Likewise.
830         (get_call_use_vi): Likewise.
831         (get_call_clobber_vi): Likewise.
832         (make_transitive_closure_constraints): Likewise.
833         (handle_const_call): Adjust to do per-call call-used handling.
834         (handle_pure_call): Likewise.
835         (find_what_var_points_to): Remove general callused handling.
836         (init_base_vars): Likewise.
837         (init_alias_vars): Initialize call_stmt_vars.
838         (compute_points_to_sets): Process call-used and call-clobbered
839         vars for call statements.
840         (delete_points_to_sets): Free call_stmt_vars.
841
842 2010-04-13  Richard Guenther  <rguenther@suse.de>
843
844         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
845         Only add RW dependence for dependence distance zero.
846         Adjust maximal vectorization factor according to dependences.
847         Move alignment handling ...
848         (vect_find_same_alignment_drs): ... here.  New function.
849         (vect_analyze_data_ref_dependences): Adjust.
850         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
851         (vect_analyze_data_refs): Adjust minimal vectorization factor
852         according to data references.
853         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
854         dependences before determining the vectorization factor.
855         Analyze alignment after determining the vectorization factor.
856         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
857         dependences before alignment.
858         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
859         Adjust prototype.
860         (vect_analyze_data_refs): Likewise.
861         (MAX_VECTORIZATION_FACTOR): New define.
862
863 2010-04-13  Duncan Sands  <baldrick@free.fr>
864
865         * except.h (lang_eh_type_covers): Remove.
866         * except.c (lang_eh_type_covers): Likewise.
867
868 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
869             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
870
871         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
872         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
873         UNITS_PER_LONG where it is ABI relevant.
874         (s390_return_addr_rtx): Likewise.
875         (s390_back_chain_rtx): Likewise.
876         (s390_frame_area): Likewise.
877         (s390_frame_info): Likewise.
878         (s390_initial_elimination_offset): Likewise.
879         (save_gprs): Likewise.
880         (s390_emit_prologue): Likewise.
881         (s390_emit_epilogue): Likewise.
882         (s390_function_arg_advance): Likewise.
883         (s390_function_arg): Likewise.
884         (s390_va_start): Likewise.
885         (s390_gimplify_va_arg): Likewise.
886         (s390_function_profiler): Likewise.
887         (s390_optimize_prologue): Likewise.
888         (s390_rtx_costs): Likewise.
889         (s390_secondary_reload): Likewise.
890         (s390_promote_function_mode): Likewise.
891         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
892         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
893         registers available.
894         (s390_unwind_word_mode): New function.
895         (s390_function_value): Split 64 bit values into register pair if
896         used as return value.
897         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
898         function call parameters.  Handle parallels.
899         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
900         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
901         (DWARF_CIE_DATA_ALIGNMENT): New macro.
902         (s390_expand_setmem): Remove unused variable src_addr.
903         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
904         deal with 64 bit registers.
905         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
906         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
907         (UNITS_PER_LONG): New macro.
908         * libjava/include/s390-signal.h: Define extended ucontext
909         structure containing the upper halfs of the 64 bit registers.
910
911 2010-04-13  Simon Baldwin  <simonb@google.com>
912
913         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
914
915 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
916
917         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
918         rvalue on the RHS if the LHS is of a non-renamable type.
919         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
920
921 2010-04-13  Matthias Klose  <doko@ubuntu.com>
922
923         * gcc.c (cc1_options): Handle -iplugindir before processing
924         the cc1 spec. Only add -iplugindir once.
925         (cpp_unique_options): Add -iplugindir option if -fplugin* options
926         found.
927         * common.opt (iplugindir): Remove `Separate' property, initialize.
928         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
929         option.
930         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
931         (distclean): Remove plugin dir.
932         * doc/invoke.texi: Document -iplugindir.
933
934 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
935
936         * doc/plugins.texi (Loading Plugins): Document short
937         -fplugin=foo option.
938         (Plugin API): Mention default_plugin_dir_name function.
939
940         * gcc.c (find_file_spec_function): Add new declaration.
941         (static_spec_func): Use it for "find-file".
942         (find_file_spec_function): Add new function.
943         (cc1_options): Add -iplugindir option if -fplugin* options found.
944
945         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
946
947         * plugin.c (add_new_plugin): Updated comment, and handle short
948         plugin name.
949         (default_plugin_dir_name): Added new function.
950
951         * common.opt (iplugindir): New option to set the plugin directory.
952
953 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
954
955         * config/i386/i386.md (any_rotate): New code iterator.
956         (rotate_insn): New code attribute.
957         (rotate): Ditto.
958         (SWIM124): New mode iterator.
959         (<rotate_insn>ti3): New expander.
960         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
961         any_rotate code iterator.
962         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
963         using any_rotate code iterator and SWIM124 mode iterator.
964         (ix86_rotlti3): New insn_and_split pattern.
965         (ix86_rotrti3): Ditto.
966         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
967         ix86_rotl{di,ti}3 patterns.
968         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
969         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
970         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
971         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
972         code iterator and SWI mode iterator.
973         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
974         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
975         code iterator.
976         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
977         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
978         (bswap rotatert splitter): Add splitter.
979         (bswap splitter): Macroize splitter using any_rotate code iterator.
980         Add insn predicate to split only for TARGET_USE_XCHGB or when
981         optimizing function for size.
982
983 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
984
985         * config/pa/pa.c (emit_move_sequence): Remove use of
986         deleted variable flag_argument_noalias.
987
988 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
989
990         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
991         configurations.
992         Add to unsupported targets list.
993         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
994         sparc*-sun-solaris2.[567]* from target lists.
995         * configure: Regenerate.
996         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
997         removal.
998         Remove Solaris 7 patch references.
999         (Specific, sparc-sun-solaris2.7): Removed.
1000         (sparc-sun-solaris2*): Update Solaris 7 example.
1001         (sparc64-*-solaris2*): Likewise.
1002
1003 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1004
1005         * config.build (alpha*-dec-osf4*): Remove.
1006         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1007         of obsolete configurations.
1008         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1009         support.
1010         * config/alpha/t-osf4: Renamed to ...
1011         * config/alpha/t-osf5: ... this.
1012         * config/alpha/osf.h: Renamed to ...
1013         * config/alpha/osf5.h: ... this.
1014         Merged old osf5.h contents.
1015         Update comments.
1016         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1017         (EXTRA_SPECS): Removed.
1018         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1019         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1020         Document that.
1021
1022 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1023
1024         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1025
1026 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1027
1028         PR/43702
1029         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1030         __thiscall convention.
1031
1032 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1033
1034         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1035         orig_base.
1036         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1037
1038 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1039
1040         * function.c (assign_parms_initialize_all): Add unused attribute
1041         to fntype.
1042
1043 2010-04-12  Richard Guenther  <rguenther@suse.de>
1044
1045         * gsstruct.def (GSS_CALL): New.
1046         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1047         * gimple.h: Include tree-ssa-alias.h.
1048         (struct gimple_statement_call): New.
1049         (union gimple_statement_struct_d): Add gimple_call member.
1050         (gimple_call_reset_alias_info): Declare.
1051         (gimple_call_use_set): New function.
1052         (gimple_call_clobber_set): Likewise.
1053         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1054         * gimple.c (gimple_call_reset_alias_info): New function.
1055         (gimple_build_call_1): Call it.
1056         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1057         * tree-inline.c (remap_gimple_stmt): Likewise.
1058         (expand_call_inline): Remove callused handling.
1059         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1060         * tree-dfa.c (dump_variable): Likewise.
1061         * tree-parloops.c (parallelize_loops): Likewise.
1062         * tree-ssa.c (init_tree_ssa): Likewise.
1063         (delete_tree_ssa): Likewise.
1064         * tree-flow-inline.h (is_call_used): Remove.
1065         * tree-flow.h (struct gimple_df): Remove callused member.
1066         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1067         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1068         (ref_maybe_used_by_call_p_1): Simplify.
1069         (call_may_clobber_ref_p_1): Likewise.
1070         * tree-ssa-structalias.c (compute_points_to_sets): Set
1071         the call stmt used and clobbered sets.
1072         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1073         (find_tail_calls): Verify the tail call.
1074
1075 2010-04-12  Richard Guenther  <rguenther@suse.de>
1076
1077         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1078         single-iteration always-inline inlining.
1079         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1080         (cgraph_decide_inlining): Do not handle always-inline specially.
1081         (try_inline): Remove always-inline cycle detection special case.
1082         Do not recurse on always-inlines.
1083         (cgraph_early_inlining): Do not iterate if not optimizing.
1084         (cgraph_gate_early_inlining): remove.
1085         (pass_early_inline): Run unconditionally.
1086         (gate_cgraph_decide_inlining): New function.
1087         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1088         not inlining or optimizing.
1089         (cgraph_decide_inlining_of_small_functions): Also consider
1090         always-inline functions.
1091         (cgraph_default_inline_p): Return true for nodes which should
1092         disregard inline limits.
1093         (estimate_function_body_sizes): Assume zero size and time for
1094         nodes which are marked as disregarding inline limits.
1095         (cgraph_decide_recursive_inlining): Do not perform recursive
1096         inlining on always-inline nodes.
1097
1098 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1099
1100         PR bootstrap/43699
1101         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1102         for exprs satisfying handled_component_p.
1103
1104 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1105
1106         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1107         non-constant aggregate elements.
1108
1109         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1110         is a real initialization.
1111
1112 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1113
1114         PR c/36774
1115         * c-decl.c (start_function): Move forward check for nested function.
1116
1117 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1118
1119         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1120         * config/sh/sh.c: Include reload.h.
1121         (sh_legitimize_reload_address): New.
1122         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1123         sh_legitimize_reload_address.
1124
1125 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1126
1127         * config/sh/sh.md (*movqi_pop): New insn pattern.
1128         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1129
1130 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1131
1132         * config/i386/i386.md (any_shiftrt): New code iterator.
1133         (shiftrt_insn): New code attribute.
1134         (shiftrt): Ditto.
1135         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1136         using any_shiftrt code iterator.
1137         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1138         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1139         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1140         pattern from corresponding peephole2 patterns.
1141         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1142         using any_shiftrt code iterator.
1143         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1144         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1145         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1146         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1147         *{ashr,lshr}<mode>3_cmp_zext.
1148         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1149
1150 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1151
1152         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1153         scratch register.
1154         (*lshr<mode>3_cconly): Ditto.
1155
1156 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1157
1158         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1159         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1160         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1161         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1162         DWI mode iterator.
1163         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1164         from corresponding peephole2 patterns.
1165         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1166         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1167         and *lshrdi3_1_rex64 using SWI mode iterator.
1168         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1169         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1170         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1171         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1172         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1173         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1174         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1175         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1176         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1177         SWI mode iterator.
1178
1179 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1180
1181         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1182         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1183         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1184         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1185         DWI mode iterator.
1186         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1187         from corresponding peephole2 patterns.
1188         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1189         (ashrsi3_cvt): Rename from ashrsi3_31.
1190         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1191         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1192         and x86_64_shift_adj_3 using SWI48 mode iterator.
1193         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1194         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1195         and *ashrdi3_1_rex64 using SWI mode iterator.
1196         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1197         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1198         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1199         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1200         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1201         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1202         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1203         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1204         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1205         SWI mode iterator.
1206         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1207         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1208         x86_shift<mode>_adj_3 expanders.
1209
1210 2010-04-10  Wei Guozhi  <carrot@google.com>
1211
1212         PR target/42601
1213         * config/arm/arm.c (arm_pic_static_addr): New function.
1214         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1215         a static symbol.
1216         (arm_output_addr_const_extra): Output expression for new pattern.
1217         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1218
1219 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1220
1221         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1222         not enabled.
1223
1224         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1225         * web.c: Include "insn-config.h" and "recog.h".
1226         (union_match_dups): New function.
1227         (web_main): Call it.
1228         (union_defs): Don't try to recognize match_dups.
1229
1230         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1231         if doing so would replace the entire pattern.
1232
1233 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1234
1235         PR target/43707
1236         PR target/43709
1237         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1238         and splitter pattern.  Change splitter operand 1 predicate to
1239         nonmemory_operand.
1240
1241 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1242
1243         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1244         lattices are addresses of CONST_DECLs with the same initial value.
1245         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1246         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1247
1248 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1249             Bernd Schmidt  <bernds@codesourcery.com>
1250
1251         * loop-invariant.c (replace_uses): New static function.
1252         (move_invariant_reg): Use it to ensure we can replace the uses.
1253
1254 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1255
1256         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1257         function template.
1258         (picochip_override_options): Enable section anchors only above -O1.
1259         (picochip_reorg): Fixed a couple of build warnings.
1260
1261 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1262
1263         * configure.ac (plugin -rdynamic test): Log result.
1264         * configure: Regenerate.
1265         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1266         (RDYNAMIC_SPEC): Define.
1267         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1268
1269 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1270
1271         * configure.ac: Determine Sun ld version numbers.
1272         (comdat_group): Restrict GNU ld version checks to gld.
1273         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1274         (enable_comdat): Support --enable-comdat.
1275         * configure: Regenerate.
1276         * doc/install.texi (Configuration): Document --enable-comdat.
1277
1278 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1279
1280         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1281         * config/sol2-gld.h: ... here.
1282         * config.gcc (sparc*-*-solaris2*): Reflect this.
1283         (i[34567]86-*-solaris2*): Use it.
1284
1285 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1286
1287         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1288         setup_clocks_p.
1289         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1290
1291 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1292
1293         PR 42965
1294         * diagnostic.c (diagnostic_initialize): Initialize
1295         some_warnings_are_errors.
1296         (diagnostic_finish): New.
1297         (diagnostic_action_after_output): Call it before exiting.
1298         (diagnostic_report_diagnostic): Do not print message here. Set
1299         some_warnings_are_errors.
1300         * diagnostic.h (diagnostic_context): Delete
1301         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1302         (diagnostic_finish): Declare.
1303         * toplev.c (toplev_main): Call it before exit.
1304
1305 2010-04-09  Jason Merrill  <jason@redhat.com>
1306
1307         PR c++/42623
1308         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1309         for incomplete type.
1310
1311         PR c++/41788
1312         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1313         based on a warning flag.
1314
1315 2010-04-09  Richard Guenther  <rguenther@suse.de>
1316
1317         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1318
1319 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1320
1321         PR bootstrap/43684
1322         * varasm.c (default_assemble_visibility): Wrap vars that are
1323         set, but unused, by targets without GAS.
1324         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1325         Remove set, but unused, vars.
1326         (rs6000_legitimize_tls_address): Likewise.
1327         (altivec_expand_dst_builtin): Likewise.
1328         * config/darwin.c (machopic_classify_symbol): Likewise.
1329         (machopic_indirection_name): Likewise.
1330
1331 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1332
1333         * config/i386/i386.md (DWI): New mode iterator.
1334         (S): New mode attribute.
1335         (shift_operand): Ditto.
1336         (shift_immediate_operand): Ditto.
1337         (ashl_input_operand): Ditto.
1338         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1339         using SDWIM mode iterator.
1340         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1341         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1342         DWI mode iterator.
1343         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1344         from corresponding peephole2 patterns.
1345         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1346         and x86_64_shift_adj_1 using SWI48 mode iterator.
1347         (x86_shift<mode>_adj_2): Ditto.
1348         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1349         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1350         using SWI48 mode iterator.
1351         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1352         *ashldi3_cmp_rex64 using SWI mode iterator.
1353         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1354         *ashldi3_cconly_rex64 using SWI mode iterator.
1355         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1356         x86_shift<mode>_adj_{1,2}.
1357         (ix86_split_ashr): Ditto.
1358         (ix86_split_lshr): Ditto.
1359
1360 2010-04-09  Richard Guenther  <rguenther@suse.de>
1361
1362         * target.h (builtin_conversion): Pass in input and output types.
1363         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1364         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1365         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1366         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1367
1368         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1369         Handle AVX modes.
1370         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1371
1372 2010-04-09  Richard Guenther  <rguenther@suse.de>
1373
1374         PR target/43152
1375         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1376
1377 2010-04-09  Richard Guenther  <rguenther@suse.de>
1378
1379         * tree-vectorizer.h (struct _stmt_vec_info): Document
1380         that vectype is the type of the LHS.
1381         (supportable_widening_operation, supportable_narrowing_operation):
1382         Get both input and output vector types as arguments.
1383         (vect_is_simple_use_1): Declare.
1384         (get_same_sized_vectype): Likewise.
1385         * tree-vect-loop.c (vect_determine_vectorization_factor):
1386         Set STMT_VINFO_VECTYPE to the vector type of the def.
1387         (vectorizable_reduction): Adjust.
1388         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1389         Adjust.  Specify the output vector type.
1390         (vect_pattern_recog_1): Adjust.
1391         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1392         (vectorizable_call): Adjust.
1393         (vectorizable_conversion): Likewise.
1394         (vectorizable_operation): Likewise.
1395         (vectorizable_type_demotion): Likewise.
1396         (vectorizable_type_promotion): Likewise.
1397         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1398         the def.
1399         (vect_is_simple_use_1): New function.
1400         (supportable_widening_operation): Get both input and output
1401         vector types.
1402         (supportable_narrowing_operation): Likewise.
1403         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1404
1405 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1406
1407         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1408         __thiscall and _thiscall as predefined macros.
1409         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1410         thiscall attribute handling.
1411         (ix86_comp_type_attributes): Likewise.
1412         (ix86_function_regparm): Likewise.
1413         (ix86_return_pops_args): Likewise.
1414         (init_cumulative_args): Likewise.
1415         (find_drap_reg): Likewise.
1416         (ix86_static_chain): Likewise.
1417         (x86_this_parameter): Likewise.
1418         (x86_output_mi_thunk): Likewise.
1419         (ix86_attribute_table): Add description for thiscall attribute.
1420         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1421         * doc/extend.texi: Add documentation for thiscall.
1422
1423 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1424
1425         PR c++/28584
1426         * c.opt (Wint-to-pointer-cast): Available in C++.
1427         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1428
1429 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1430
1431         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1432         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1433         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1434         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1435         function type instead.  Reorder and simplify checks.
1436
1437         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1438
1439 2010-04-08  Jing Yu  <jingyu@google.com>
1440             Zdenek Dvorak  <ook@ucw.cz>
1441
1442         PR tree-optimization/42720
1443         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1444         loop unswitch conditions here from ...
1445         (tree_unswitch_single_loop): ... here.
1446
1447 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1448
1449         * tree-if-conv.c: Fix comments and simplify logic.
1450
1451 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1452
1453         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1454         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1455         (main_tree_if_conversion): Update call to tree_if_conversion.
1456
1457 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1458
1459         PR 42485
1460         * doc/invoke.texi (-b,-V): Delete.
1461         * doc/tm.texi: Do not mention -b.
1462         * gcc.c (display_help): Delete -b and -V.
1463         (process_command): Delete -b and -V.
1464         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1465
1466 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1467             Wolfgang Gellerich  <gellerich@de.ibm.com>
1468
1469         Implement target hook for loop unrolling
1470         * target.h (loop_unroll_adjust): Add a new target hook function.
1471         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1472         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1473         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1474         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1475         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1476         target hook.
1477         (decide_unroll_stupid): Likewise.
1478
1479 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1480
1481         PR target/43643
1482         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1483
1484 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1485
1486         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1487         (Specific, *-*-solaris2*): Likewise.
1488         Don't prefer Sun as over GNU as.
1489
1490 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1491
1492         * config/s390/s390.c (override_options): Adjust the z10
1493           defaults for max-unroll-times, max-completely-peeled-insns
1494           and max-completely-peel-times.
1495
1496 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1497
1498         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1499         instructions for z10.
1500         (s390_expand_setmem): Likewise.
1501         (s390_expand_cmpmem): Likewise.
1502
1503 2010-04-08  Richard Guenther  <rguenther@suse.de>
1504
1505         PR tree-optimization/43679
1506         * tree-ssa-pre.c (eliminate): Only propagate copies.
1507
1508 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1509
1510         PR bootstrap/43681
1511         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1512         set but not used variable warning.
1513
1514 2010-04-08  Wei Guozhi  <carrot@google.com>
1515
1516         PR target/41653
1517         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1518         (arm_size_rtx_costs): Call the new function when optimized for size.
1519
1520 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1521
1522         PR debug/43670
1523         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1524         op0 is not a MEM, just return NULL instead of assertion
1525         failure.
1526         (discover_nonconstant_array_refs): Don't walk debug stmts.
1527
1528 2010-04-08  Doug Kwan  <dougkwan@google.com>
1529
1530         * configure.ac: Recognize gold and do not use its version number
1531         to test ld features.
1532         * configure: Regenerate.
1533
1534 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1535
1536         PR middle-end/40815
1537         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1538         (negate_value): Move code to push elements to broken_up_substracts ...
1539         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1540         negative pair to plus_negates.
1541         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1542
1543 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1544
1545         * doc/install.texi (Configuration): Move description of
1546         --enable-lto, --with-libelf*, --enable-gold from Java section to
1547         general section.
1548
1549         * doc/generic.texi (Working with declarations)
1550         (Function Properties, C and C++ Trees): Fix typos.
1551         * doc/sourcebuild.texi (Top Level): Likewise.
1552
1553 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1554
1555         PR c/18624
1556         * tree.h (DECL_READ_P): Define.
1557         (struct tree_decl_common): Add decl_read_flag.
1558         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1559         a set but not used warning.
1560         (merge_decls): Merge DECL_READ_P flag.
1561         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1562         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1563         * c-common.c (handle_used_attribute, handle_unused_attribute):
1564         Likewise.
1565         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1566         New prototypes.
1567         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1568         New functions.
1569         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1570         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1571         c_parser_binary_expression, c_parser_cast_expression,
1572         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1573         Call default_function_array_read_conversion instead of
1574         default_function_array_conversion where needed.
1575         (c_parser_unary_expression, c_parser_conditional_expression,
1576         c_parser_postfix_expression_after_primary, c_parser_initelt):
1577         Likewise.  Call mark_exp_read where needed.
1578         (c_parser_statement_after_labels, c_parser_asm_operands,
1579         c_parser_typeof_specifier, c_parser_sizeof_expression,
1580         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1581         where needed.
1582         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1583         New.
1584         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1585         (warn_unused_but_set_parameter): Default to warn_unused
1586         && extra_warnings.
1587         * doc/invoke.texi: Document -Wunused-but-set-variable and
1588         -Wunused-but-set-parameter.
1589
1590         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1591         used count variable.
1592         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1593         when operandN variables aren't used in the body of the expander
1594         or splitter.
1595         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1596         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1597         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1598         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1599         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1600         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1601         * tree.c (PROCESS_ARG): Likewise.
1602
1603 2010-04-07  Simon Baldwin  <simonb@google.com>
1604
1605         * diagnostic.h (diagnostic_override_option_index): New macro to
1606         set a diagnostic's option_index.
1607         * c-tree.h (c_cpp_error): Add warning reason argument.
1608         * opts.c (_warning_as_error_callback): New.
1609         (register_warning_as_error_callback): Store callback for
1610         warnings enabled via enable_warning_as_error.
1611         (enable_warning_as_error): Call callback, minor code tidy.
1612         * opts.h (register_warning_as_error_callback): Declare.
1613         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1614         response to -Werror=.
1615         (c_common_init_options): Register warning_as_error_callback in opts.c.
1616         * common.opt: Add -Wno-cpp option.
1617         * c-common.c (struct reason_option_codes_t): Map cpp warning
1618         reason codes to gcc option indexes.
1619         * (c_option_controlling_cpp_error): New function, lookup the gcc
1620         option index for a cpp warning reason code.
1621         * (c_cpp_error): Add warning reason argument, call
1622         c_option_controlling_cpp_error for diagnostic_override_option_index.
1623         * doc/invoke.texi: Document -Wno-cpp.
1624
1625 2010-04-07  Richard Guenther  <rguenther@suse.de>
1626
1627         * ipa-reference.c (mark_load): Use get_base_address.
1628         (mark_store): Likewise.
1629
1630         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1631         inserting GIMPLE_NOPs into the IL.
1632         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1633         Explicitly strip handled components and indirect references.
1634
1635         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1636         folding address expressions.
1637         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1638         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1639         operand_equal_p to compare decls.
1640         (ptr_deref_may_alias_decl_p): Likewise.
1641         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1642         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1643         Handle reversed comparison ops.
1644         * tree-sra.c (asm_visit_addr): Use get_base_address.
1645         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1646         * ipa-reference.c (mark_address): Use get_base_address.
1647
1648 2010-04-07  Richard Guenther  <rguenther@suse.de>
1649
1650         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1651         Propagate constants everywhere.
1652
1653 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1654
1655         PR debug/43516
1656         * tree.c (MAX_INT_CACHED_PREC): Define.
1657         (nonstandard_integer_type_cache): New array.
1658         (build_nonstandard_integer_type): Cache results for precision
1659         <= MAX_INT_CACHED_PREC.
1660
1661 2010-04-07  Richard Guenther  <rguenther@suse.de>
1662
1663         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1664         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1665         * common.opt: Likewise.
1666         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1667         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1668         (nonoverlapping_memrefs_p): Likewise.
1669         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1670         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1671         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1672         OPT_fargument_noalias_global for backward compatibility.
1673
1674 2010-04-07  Richard Guenther  <rguenther@suse.de>
1675
1676         PR tree-optimization/43270
1677         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1678         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1679         * tree-ssa-pre.c (phi_translate_1): Adjust.
1680         (fully_constant_expression): Split out vn_reference handling to ...
1681         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1682         Fold reads from constant strings.
1683         (vn_reference_lookup): Handle fully constant references.
1684         (vn_reference_lookup_pieces): Likewise.
1685         * Makefile.in (expmed.o-warn): Add -Wno-error.
1686
1687 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1688
1689         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1690
1691 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1692
1693         PR driver/41594
1694         * gcc.c: Add -static-libstdc++ to list of recognized options.
1695
1696 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1697
1698         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1699
1700 2010-04-07  Richard Guenther  <rguenther@suse.de>
1701
1702         PR middle-end/42617
1703         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1704         bases build simple mem attributes to retain points-to information.
1705
1706 2010-04-07  Richard Guenther  <rguenther@suse.de>
1707
1708         PR middle-end/42617
1709         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1710         preserve points-to related information.
1711
1712 2010-04-07  Richard Guenther  <rguenther@suse.de>
1713
1714         PR middle-end/42617
1715         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1716         discard plain indirect references.
1717         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1718         * tree.c (tree_nop_conversion): Likewise.
1719
1720 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1721
1722         PR debug/43628
1723         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1724
1725 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1726
1727         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1728         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1729
1730 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1731
1732         * tree-if-conv.c: Fix indentation and comments.
1733
1734 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1735
1736         * tree-if-conv.c: Sort static functions in topological order.
1737
1738 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1739
1740         * tree-if-conv.c: Fix indentation and comments.
1741
1742 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1743
1744         PR middle-end/43519
1745         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1746         lang_hooks.types.type_for_size instead of
1747         build_nonstandard_integer_type.
1748         When converting an unsigned type to signed, double its precision.
1749         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1750         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1751         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1752         use lb <= ub.
1753
1754 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1755
1756         PR middle-end/43519
1757         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1758         POINTER_PLUS_EXPR for pointer types.
1759
1760 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         PR middle-end/43519
1763         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1764         * graphite-clast-to-gimple.c: Include langhooks.h.
1765         (max_signed_precision_type): New.
1766         (max_precision_type): Takes two types as arguments.
1767         (precision_for_value): New.
1768         (precision_for_interval): New.
1769         (gcc_type_for_interval): New.
1770         (gcc_type_for_value): New.
1771         (gcc_type_for_clast_term): New.
1772         (gcc_type_for_clast_red): New.
1773         (gcc_type_for_clast_bin): New.
1774         (gcc_type_for_clast_expr): Split up into several functions.
1775         (gcc_type_for_clast_eq): Rewritten.
1776         (compute_bounds_for_level): New.
1777         (compute_type_for_level_1): New.
1778         (compute_type_for_level): New.
1779         (gcc_type_for_cloog_iv): Removed.
1780         (gcc_type_for_iv_of_clast_loop): Rewritten.
1781         (graphite_create_new_loop): Compute the lower and upper bound types
1782         with gcc_type_for_clast_expr.
1783         (graphite_create_new_loop_guard): Same.
1784         (find_cloog_iv_in_expr): Removed.
1785         (compute_cloog_iv_types_1): Removed.
1786         (compute_cloog_iv_types): Removed.
1787         (gloog): Do not call compute_cloog_iv_types.
1788         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1789         GBB_CLOOG_IV_TYPES.
1790         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1791         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1792         (GBB_CLOOG_IV_TYPES): Removed.
1793
1794 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1795
1796         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1797         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1798         (detect_commutative_reduction): Same.
1799
1800 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1801
1802         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1803         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1804         argument.
1805         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1806         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1807         (rewrite_commutative_reductions_out_of_ssa): Same.
1808         * passes.c (execute_function_todo): Call verify_ssa for every pass
1809         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1810         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1811         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1812         with an extra argument.
1813         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1814         verify_ssa only when the extra argument is true.
1815         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1816         with an extra argument.
1817         (tree_transform_and_unroll_loop): Same.
1818
1819 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1820
1821         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1822         for all the passes of the LNO having LOOP_CLOSED_SSA.
1823         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1824         * tree-loop-distribution.c (pass_loop_distribution): Same.
1825         * tree-pass.h (TODO_verify_loops): Removed.
1826         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1827         (pass_lim): Same.
1828         (pass_tree_unswitch): Same.
1829         (pass_predcom): Same.
1830         (pass_vectorize): Same.
1831         (pass_linear_transform): Same.
1832         (pass_graphite_transforms): Same.
1833         (pass_iv_canon): Same.
1834         (pass_complete_unroll): Same.
1835         (pass_complete_unrolli): Same.
1836         (pass_parallelize_loops): Same.
1837         (pass_loop_prefetch): Same.
1838         (pass_iv_optimize): Same.
1839
1840 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1841
1842         PR middle-end/32824
1843         * passes.c (init_optimization_passes): Move pass_lim before
1844         pass_copy_prop and pass_dce_loop.
1845
1846 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1847
1848         PR target/43667
1849         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1850         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1851         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1852         MULTI_* defines for 4 argument vpermil2p* builtins.
1853
1854 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1855
1856         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1857         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1858         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1859         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1860         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1861         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1862         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1863         Use x86_maybe_negate_const_int to output insn mnemonic.
1864         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1865         check from instruction predicate.  Update comments.
1866         * config/i386/sync.md (sync_add<mode>): Use
1867         x86_maybe_negate_const_int to output insn mnemonic.
1868
1869 2010-04-06  Jan Hubicka  <jh@suse.cz>
1870
1871         PR tree-optimization/42906
1872         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1873         IGNORE_SELF argument.  Set visited_control_parents for fully
1874         processed BBs.
1875         (find_obviously_necessary_stmts): Update call of
1876         mark_control_dependent_edges_necessary.
1877         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
1878
1879 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1880
1881         * config/i386/i386.md: Remove comment about 'e' and 'E'
1882         operand modifier.
1883
1884 2010-04-06  Richard Guenther  <rguenther@suse.de>
1885
1886         PR tree-optimization/43627
1887         * tree-vrp.c (extract_range_from_unary_expr): Widenings
1888         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1889         not varying.
1890
1891 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1892
1893         * BASE-VER: Change to 4.6.0.
1894
1895         PR target/43638
1896         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1897         handling.
1898
1899 2010-04-06  Richard Guenther  <rguenther@suse.de>
1900
1901         PR middle-end/43661
1902         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1903
1904 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1905
1906         * doc/invoke.texi (Optimize Options): Document that LTO
1907         won't remove object access purely due to incompatible
1908         declarations.
1909
1910 2010-04-04  Matthias Klose  <doko@ubuntu.com>
1911
1912         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1913         Initialize variable.
1914
1915 2010-04-03  Richard Guenther  <rguenther@suse.de>
1916
1917         PR middle-end/42509
1918         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1919         require a non-NULL MEM_OFFSET.
1920
1921 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
1922
1923         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1924         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1925         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1926         config/alpha/predicates.md, config/arm/arm.md,
1927         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1928         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1929         config/darwin9.h, config/darwin.c, config/darwin.h,
1930         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1931         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1932         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1933         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1934         config/mips/mips.md, config/mn10300/mn10300.c,
1935         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1936         config/rs6000/aix.h, config/rs6000/dfp.md,
1937         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1938         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1939         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1940         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1941         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1942         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1943         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1944         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1945         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1946         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1947         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1948         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1949         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1950         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1951         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1952         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1953         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1954         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1955         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1956         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1957         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1958         opt-functions.awk, opth-gen.awk, params.def, passes.c,
1959         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1960         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1961         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1962         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1963         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1964         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1965         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1966         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1967         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1968         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1969         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1970         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1971         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1972         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1973
1974 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1975
1976         PR other/43620
1977         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1978         * aclocal.m4: Regenerate.
1979
1980 2010-04-02  Richard Guenther  <rguenther@suse.de>
1981
1982         PR tree-optimization/43629
1983         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1984         if we have seen a constant value.
1985
1986 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
1987
1988         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1989
1990 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
1991
1992         PR target/43469
1993         * arm.c (legitimize_tls_address): Adjust call to
1994         gen_tls_load_dot_plus_four.
1995         (arm_note_pic_base): New function.
1996         (arm_cannot_copy_insn_p): Use it.
1997         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1998         constraint.
1999
2000 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2001
2002         PR bootstrap/43531
2003
2004         Revert:
2005         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2006
2007         * Makefile.in ($(out_object_file)): Depend on
2008         gt-$(basename $(notdir $(out_file))).h.
2009
2010 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2011
2012         * config.gcc (lm32-*-rtems*): Add t-lm32.
2013
2014 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2015
2016         * config.gcc: Add lm32-*-rtems*.
2017         * config/lm32/rtems.h: New file.
2018
2019 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2020
2021         PR target/42609
2022         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2023
2024 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2025
2026         * dwarf2out.c (output_compilation_unit_header): For
2027         -gdwarf-4 use version 4 instead of version 3.
2028         (output_line_info): For version 4 and above emit additional
2029         maximum ops per insn header field.
2030         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2031
2032         * dwarf2out.c (is_c_family, is_java): Remove.
2033         (lower_bound_default): New function.
2034         (add_bound_info, gen_descr_array_type_die): Use it.
2035
2036 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2037
2038         PR debug/43325
2039         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2040         re-declaration when it happens in a function.
2041
2042 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2043
2044         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2045         (cgraph_remove_function_insertion_hook): Same.
2046         (cgraph_call_function_insertion_hooks): Same.
2047
2048 2010-04-01  Richard Guenther  <rguenther@suse.de>
2049
2050         PR middle-end/43614
2051         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2052         and TREE_THIS_VOLATILE.
2053         (copy_ref_info): Likewise.
2054         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2055         * tree.c (build6_stat): Ignore side-effects of all but arg5
2056         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2057         TARGET_MEM_REF.
2058
2059 2010-04-01  Richard Guenther  <rguenther@suse.de>
2060
2061         PR tree-optimization/43607
2062         * ipa-type-escape.c (check_call): Do not access non-existing
2063         arguments.
2064
2065 2010-04-01  Richard Guenther  <rguenther@suse.de>
2066
2067         PR middle-end/43602
2068         Revert
2069         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2070                     Jack Howarth <howarth@bromo.med.uc.edu>
2071
2072         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2073         variables TLS.
2074
2075 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2076
2077         * doc/install.texi (Prerequisites): Document libelf usability on
2078         IRIX 5/6 and Solaris 2.
2079         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2080         Update GNU as, GNU ld requirements.
2081         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2082         Document Sun Studio compiler download.
2083         Update and simplify as, ld recommendations.
2084         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2085
2086 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2087
2088         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2089         with_tune_32 to pentium4.
2090
2091 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2092
2093         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2094
2095 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2096
2097         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2098         obsoletion, removal.
2099         Update IDO URL.
2100         Document GNU as requirement.
2101         Update configure requirements.
2102         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2103         Recomment IRIX 6.5.18+.
2104         Document IDF/IDL requirement.
2105         Document GNU as requirement.
2106         Document GNU ld bootstrap failure.
2107         Remove freeware.sgi.com reference.
2108
2109 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2110
2111         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2112         UNIX V4.0, V5.0 obsoletion, removal.
2113         Remove --with-gc=simple reference.
2114         Update VM requirements during bootstrap.
2115         Remove -oldas bootstrap description.
2116         Update binutils reference.
2117         Remove comparison failure note.
2118
2119 2010-03-31  Richard Guenther  <rguenther@suse.de>
2120             Zdenek Dvorak  <ook@ucw.cz>
2121             Sebastian Pop  <sebastian.pop@amd.com>
2122
2123         PR middle-end/43464
2124         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2125         with multiple arguments.
2126         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2127
2128 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * graphite-dependences.c (print_pddr): Call print_pdr with an
2131         extra argument.
2132         * graphite-poly.c (debug_pdr): Add an extra argument for the
2133         verbosity level.
2134         (print_pdr): Same.
2135         (print_pbb_domain): Same.
2136         (print_pbb): Same.
2137         (print_scop_context): Same.
2138         (print_scop): Same.
2139         (print_cloog): Same.
2140         (debug_pbb_domain): Same.
2141         (debug_pbb): Same.
2142         (print_pdrs): Same.
2143         (debug_pdrs): Same.
2144         (debug_scop_context): Same.
2145         (debug_scop): Same.
2146         (debug_cloog): Same.
2147         (print_scop_params): Same.
2148         (debug_scop_params): Same.
2149         (print_iteration_domain): Same.
2150         (print_iteration_domains): Same.
2151         (debug_iteration_domain): Same.
2152         (debug_iteration_domains): Same.
2153         (print_scattering_function): Same.
2154         (print_scattering_functions): Same.
2155         (debug_scattering_function): Same.
2156         (debug_scattering_functions): Same.
2157         * graphite-poly.h (debug_pdr): Update declaration.
2158         (print_pdr): Same.
2159         (print_pbb_domain): Same.
2160         (print_pbb): Same.
2161         (print_scop_context): Same.
2162         (print_scop): Same.
2163         (print_cloog): Same.
2164         (debug_pbb_domain): Same.
2165         (debug_pbb): Same.
2166         (print_pdrs): Same.
2167         (debug_pdrs): Same.
2168         (debug_scop_context): Same.
2169         (debug_scop): Same.
2170         (debug_cloog): Same.
2171         (print_scop_params): Same.
2172         (debug_scop_params): Same.
2173         (print_iteration_domain): Same.
2174         (print_iteration_domains): Same.
2175         (debug_iteration_domain): Same.
2176         (debug_iteration_domains): Same.
2177         (print_scattering_function): Same.
2178         (print_scattering_functions): Same.
2179         (debug_scattering_function): Same.
2180         (debug_scattering_functions): Same.
2181
2182 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2183
2184         * graphite-poly.c (print_scattering_function_1): New.
2185         (print_scattering_function): Call it.
2186         (print_scop_params): Remove spaces at the end of lines.
2187         (print_cloog): New.
2188         (debug_cloog): New.
2189         * graphite-poly.h (print_cloog): Declared.
2190         (debug_cloog): Declared.
2191
2192 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2193
2194         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2195         in loop->header.
2196         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2197         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2198         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2199         to switch between adding the IV bump in loop->latch or in loop->header.
2200
2201 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2202
2203         * graphite-poly.c (print_scattering_function): Pretty print following
2204         the scoplib format.
2205         (print_pdr): Same.
2206         (print_pbb_domain): Same.
2207         (dump_gbb_cases): Same.
2208         (dump_gbb_conditions): Same.
2209         (print_pdrs): Same.
2210         (print_pbb): Same.
2211         (print_scop_params): Same.
2212         (print_scop_context): Same.
2213         (print_scop): Same.
2214         (print_pbb_body): New.
2215         (lst_indent_to): New.
2216         (print_lst): Start new lines with a #.
2217         * graphite-poly.h (pbb_bb): New.
2218         (pbb_index): Use pbb_bb.
2219         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2220         disjuncts.
2221         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2222
2223 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2224
2225         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2226         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2227         and 0 instead of 1 for dw_val_class_flag.
2228         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2229         dw_val_class_range_list, dw_val_class_loc_list,
2230         dw_val_class_lineptr and dw_val_class_macptr, use
2231         DW_FORM_flag_present for dw_val_class_flag and
2232         DW_FORM_exprloc for dw_val_class_loc.
2233         (output_die): For -gdwarf-4 print dw_val_class_loc
2234         size as uleb128 instead of 1 or 2 bytes and don't print
2235         anything for dw_val_class_flag.
2236
2237         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2238         instead of cselib_lookup following by tweaking locs->setting_insn.
2239
2240         PR bootstrap/43596
2241         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2242         even before returning from label, setjmp call or volatile asm
2243         handling.
2244
2245 2010-03-31  Richard Guenther  <rguenther@suse.de>
2246
2247         PR middle-end/43600
2248         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2249         temporary data on stack.
2250
2251 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2252
2253         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2254         (PUSHSECTION_ASM_OP): Remove.
2255         (POPSECTION_ASM_OP): Remove.
2256         (PUSHSECTION_FORMAT): Remove.
2257         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2258         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2259         * config/sol2.c (solaris_output_init_fini): Use it.
2260
2261 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2262
2263         PR 43574
2264         * opt-functions.awk (var_type_struct): Use signed char type
2265         for simple variables.
2266
2267 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2268
2269         * config/sol2.c: Include output.h.
2270         (solaris_assemble_visibility): New function.
2271         * config/t-sol2 (sol2.o): Add output.h dependency.
2272         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2273         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2274         Redefine.
2275
2276 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2277
2278         PR target/43580
2279         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2280         V2SImode or XFmode on PRE_DEC.
2281
2282         PR debug/43557
2283         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2284         BLKmode.
2285
2286 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2287
2288         PR 43562
2289         * reload.h (caller_save_initialized_p): Declare.
2290         * toplev.c (backend_init_target): Don't call
2291         init_caller_save but set caller_save_initialized_p to false.
2292         * caller-save.c (caller_save_initialized_p): Define.
2293         (init_caller_save): Check caller_save_initialized_p.
2294         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2295
2296 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2297
2298         PR target/39048
2299         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2300         and soft-fp/t-softfp to tmake_file.
2301         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2302         (LIBGCC2_TF_CEXT): Define.
2303         (TF_SIZE): Define.
2304
2305 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2306
2307         PR debug/42977
2308         * cselib.c (n_useless_values): Document handling of debug locs.
2309         (n_useless_debug_values, n_debug_values): New variables.
2310         (new_elt_loc_list): Don't add to debug values, keep count.
2311         (promote_debug_loc): New.
2312         (cselib_reset_table): Zero new variables.
2313         (entry_and_rtx_equal_p): Promote debug locs.
2314         (discard_useless_locs): Increment n_useless_debug_values for
2315         debug values.
2316         (remove_useless_values): Adjust n_useless_values and n_debug_values
2317         with n_useless_debug_values.
2318         (add_mem_for_addr): Promote debug locs.
2319         (cselib_lookup_mem): Likewise.
2320         (cselib_lookup_addr): Renamed to...
2321         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2322         (cselib_log_lookup): ... this.  Turn into...
2323         (cselib_lookup_addr): ... new wrapper.
2324         (cselib_lookup_from_insn): New.
2325         (cselib_invalidate_regno): Increment n_useless_debug_values for
2326         debug values.
2327         (cselib_invalidate_mem): Likewise.
2328         (cselib_process_insn): Take n_deleted and n_debug_values into
2329         account to guard remove_useless_value call.
2330         (cselib_finish): Zero n_useless_debug_values.
2331         * cselib.h (cselib_lookup_from_insn): Declare.
2332         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2333         (sched_analyze_2): Likewise.
2334
2335 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2336
2337         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2338         functions.
2339         (adjust_mems): Replace narrowing SUBREG of expression containing
2340         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2341         with operations in the narrower mode.
2342
2343         PR debug/43593
2344         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2345         regs_invalidated_by_call instead all call_used_reg_set registers.
2346
2347 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2348
2349         PR middle-end/43430
2350         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2351         pointer comparisons with types_compatible_p.
2352         * tree-vect-stmts.c (vectorizable_call): Same.
2353         (vectorizable_condition): Same.
2354
2355 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2356
2357         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2358         stack check if the mask would be zero.
2359
2360 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2361             Jack Howarth <howarth@bromo.med.uc.edu>
2362
2363         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2364         variables TLS.
2365
2366 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2367
2368         PR other/25232
2369         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2370         and __unordtf2.
2371         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2372         Include ___unordxf2 and ___unordtf2.
2373         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2374         GCC_4.4.0 here.
2375
2376 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2377
2378         * config/lm32/t-lm32: New file.
2379         * config.gcc: Use the above file when targetting lm32.
2380
2381 2010-03-28  Duncan Sands  <baldrick@free.fr>
2382
2383         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2384
2385 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2386
2387         PR middle-end/43431
2388         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2389         Improve vectorization cost model diagnostic.
2390
2391 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2392
2393         PR middle-end/43436
2394         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2395         compute_data_dependences_for_loop returns false, early exit
2396         and output an extra diagnostic for the failed data reference
2397         analysis.
2398
2399 2010-03-29  Richard Guenther  <rguenther@suse.de>
2400
2401         PR tree-optimization/43560
2402         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2403         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2404
2405 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2406
2407         PR 43564
2408         * toplev.c (process_options): Set optimization_default_node
2409         and optimization_current_node.
2410         * opts.c (decode_options): Don't set optimization_default_node
2411         and optimization_current_node.
2412
2413 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2414
2415         * config/rtems.h: Abandon -qrtems_debug.
2416
2417 2010-03-28  Jan Hubicka  <jh@suse.cz>
2418
2419         PR tree-optimization/43505
2420         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2421         map should not be copied.
2422
2423 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2424
2425         PR middle-end/41674
2426         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2427         cdtors, set DECL_PRESERVE_P.
2428         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2429         should be preseved.
2430
2431 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2432
2433         PR tree-optimization/43528
2434         * stor-layout.c (place_field): Check that constant fits into
2435         unsigned HWI when skipping calculation of MS bitfield layout.
2436
2437 2010-03-27  Jan Hubicka  <jh@suse.cz>
2438
2439         PR middle-end/43391
2440         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2441         notice_global_symbol work.
2442
2443 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2444
2445         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2446         instead of dwarf2out_decl.
2447         (struct var_loc_node): Remove section_label field.
2448         (dwarf2out_function_decl): New function.
2449         (dwarf2out_var_location): Don't set section_label field.
2450         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2451
2452 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2453
2454         PR tree-optimization/43544
2455         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2456         First argument for builtin vectorized function hook is now a
2457         tree to be able to distinguish between machine specific and
2458         standard builtins.
2459         * targhooks.c (default_builtin_vectorized_function): Ditto.
2460         * targhooks.h (default_builtin_vectorized_function): Ditto.
2461         * target.h (struct gcc_target): Ditto.
2462         * tree-vect-stmts.c (vectorizable_function): Ditto.
2463         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2464         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2465         Ditto.
2466
2467 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2468
2469         PR c/43381
2470         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2471         nested binding iff it is a FUNCTION_DECL.
2472         (store_parm_decls_newstyle): Pass nested=true to bind for
2473         FUNCTION_DECLs amongst parameters.
2474
2475 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2476
2477         * var-tracking.c (vt_expand_loc_callback): Don't run
2478         cselib_expand_value_rtx_cb in dummy mode if
2479         cselib_dummy_expand_value_rtx_cb returned false.
2480
2481         * var-tracking.c (emit_note_insn_var_location): For one part
2482         notes with offset 0, don't add EXPR_LIST around the location.
2483         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2484         add_location_or_const_value_attribute): Adjust for that change.
2485
2486         PR debug/43540
2487         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2488         into first operand and location into second.
2489         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2490         dw_cfi_oprnd_loc for DW_CFA_expression.
2491         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2492         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2493         assume first argument is regnum and second argument is location.
2494
2495 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2496
2497         PR target/42113
2498         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2499         of scratch register to DImode.  Split to DImode comparison operator.
2500         Use SImode subreg of scratch register in the multiplication.
2501         (*cmp_sadd_sidi): Ditto.
2502         (*cmp_ssub_si): Ditto.
2503         (*cmp_ssub_sidi): Ditto.
2504
2505 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2506
2507         PR target/43524
2508         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2509         Remove invalid assert and wrong comment.
2510
2511 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2512
2513         PR debug/43516
2514         * flags.h (final_insns_dump_p): New extern.
2515         * final.c (final_insns_dump_p): New variable.
2516         (rest_of_clean_state): Set it before -fdump-final-insns=
2517         dumping, clear afterwards.
2518         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2519         MEM_ALIAS_SET on MEMs.
2520
2521 2010-03-26  David S. Miller  <davem@davemloft.net>
2522
2523         * configure.ac: Fix sparc GOTDATA_OP bug check.
2524         * configure: Rebuild.
2525
2526 2010-03-26  Alan Modra  <amodra@gmail.com>
2527
2528         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2529
2530 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2531
2532         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2533         TLS_SECTION_ASM_FLAG.
2534
2535 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2536
2537         PR bootstrap/43511
2538         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2539         Clear first_function_block_is_cold.
2540
2541         PR c/43385
2542         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2543         argument if the argument is truth_value_p.
2544
2545 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2546
2547         * config/rs6000/constraints.md: Update copyright year for my changes.
2548
2549         PR target/43484
2550         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2551         used in reg+reg addressing, swap registers.
2552
2553 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2554
2555         PR debug/43293
2556         * target.h (struct gcc_target): Add code_end hook.
2557         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2558         if not yet defined.
2559         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2560         * toplev.c (compile_file): Call targetm.asm_out.code_end
2561         hook before unwind info/debug info output.
2562         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2563         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2564         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2565         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2566         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2567         * config/i386/i386.c (ix86_file_end): Renamed to...
2568         (ix86_code_end): ... this.  Make static.  Don't call
2569         file_end_indicate_exec_stack.  Emit unwind info using
2570         final_start_function/final_end_function.
2571         (darwin_x86_file_end): Remove.
2572         (TARGET_ASM_CODE_END): Define.
2573         * config/i386/i386.h (TARGET_ASM_FILE_END,
2574         NEED_INDICATE_EXEC_STACK): Don't define.
2575         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2576         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2577         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2578         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2579
2580         PR target/43498
2581         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2582         at the beginning and final_end_function at the end.
2583         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2584
2585 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2586
2587         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2588         and Sun as TLS syntax.
2589         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2590         * configure: Regenerate.
2591         * config.in: Regenerate.
2592         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2593         (default_elf_asm_named_section): Use it.
2594         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2595         (i386_output_dwarf_dtprel): Likewise.
2596         (output_addr_const_extra): Likewise.
2597         (output_pic_addr_const): Lowercase @GOTTPOFF.
2598         (output_addr_const_extra): Likewise.
2599         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2600         (output_addr_const_extra): Likewise.
2601         (output_pic_addr_const): Lowercase @INDNTPOFF.
2602         (output_addr_const_extra): Likewise.
2603         (output_pic_addr_const): Lowercase @NTPOFF.
2604         (output_addr_const_extra): Likewise.
2605         (output_pic_addr_const): Lowercase @TPOFF.
2606         (output_addr_const_extra): Likewise.
2607         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2608         (*tls_global_dynamic_64): Likewise.
2609         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2610         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2611
2612         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2613         (ASM_OUTPUT_TLS_COMMON): Use it.
2614         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2615
2616         PR target/38118
2617         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2618         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2619         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2620         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2621         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2622         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2623
2624 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2625
2626         * config/i386/i386.c (override_options): Don't accept
2627         -mtls-dialect=sun any longer.
2628         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2629         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2630         (*tls_local_dynamic_base_32_sun): Likewise.
2631         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2632
2633 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2634
2635         PR debug/43508
2636         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2637         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2638
2639         PR debug/43479
2640         * ira.c (adjust_cleared_regs): New function.
2641         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2642
2643         PR debug/19192
2644         PR debug/43479
2645         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2646         from gimple_block.
2647         * expr.c (expand_expr_real): Restore previous
2648         curr_insn_source_location and curr_insn_block after
2649         expand_expr_real_1 call.
2650         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2651         instead of expand_expr_real_1.
2652
2653 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2654
2655         PR rtl-optimization/43413
2656         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2657         hard regs too.
2658
2659 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2660
2661         PR target/43348
2662         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2663         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2664
2665 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2666
2667         * config/i386/i386.c (ix86_target_string): Add -mfma.
2668         Fix a typo in comment.
2669
2670 2010-03-22  Mike Stump  <mikestump@comcast.net>
2671
2672         PR target/23071
2673         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2674         Don't overly align based upon packed packed fields.
2675
2676 2010-03-22  Jason Merrill  <jason@redhat.com>
2677
2678         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2679         Use () rather than [], and move before the element type.
2680
2681 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2682
2683         * doc/configfiles.texi (Configuration Files): Removed
2684         fixinc/Makefile*, intl/Makefile.*.
2685         * doc/makefile.texi: Fixed markup. Abstract from version
2686         control system used.
2687         (Makefile): Removed obsolete gcc/java/parse.y example.
2688         * doc/sourcebuild.texi: Likewise.
2689         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2690         libgomp, libssp.  Removed fastjar.
2691         (Miscellaneous Docs): Clarify location.
2692         Added COPYING3, COPYING3.LIB.
2693         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2694
2695 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2696
2697         PR target/38085
2698         * config/i386/i386.c (x86_function_profiler)
2699         [!NO_PROFILE_COUNTERS]: Fix typo.
2700         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2701         instead of callq.
2702
2703 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2704             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2705
2706         * doc/sourcebuild.texi (Test Directives): Split into six
2707         subsections, with most of the current text in new subsections
2708         Directives, Selectors, and Final Actions.
2709         (Directives): Split list of test directives into multiple
2710         subsubsections.
2711         (Selectors): Describe use and syntax of selectors.
2712         (Effective-Target Keywords): Describe all existing keywords.
2713         (Add Options): Describe features for dg-add-options.
2714         (Require Support): Describe variants of dg-require-support.
2715         (Final Actions): Describe commands to use in dg-final.
2716
2717 2010-03-22  Michael Matz  <matz@suse.de>
2718
2719         PR middle-end/43475
2720         * recog.c (validate_replace_rtx_group): Replace also in
2721         REG_EQUAL and REG_EQUIV notes.
2722
2723 2010-03-22  Richard Guenther  <rguenther@suse.de>
2724
2725         PR tree-optimization/43390
2726         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2727         sure vector extracts are type correct.
2728
2729 2010-03-22  Richard Guenther  <rguenther@suse.de>
2730
2731         PR middle-end/40106
2732         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2733         x * sqrt (x) even when optimizing for size if the target
2734         has native support for sqrt.
2735
2736 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2737
2738         * varasm.c (make_decl_rtl_for_debug): Also clear
2739         flag_mudflap for the duration of make_decl_rtl call.
2740
2741         PR debug/43443
2742         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2743         locs from preserved VALUEs.
2744
2745 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2746
2747         PR middle-end/42718
2748         * pa.md (movmemsi): Set align to one if zero.
2749         (movmemdi): Likewise.
2750
2751 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2752
2753         PR target/42321
2754         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2755         with their corresponding prologue pushes.
2756
2757 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2758
2759         PR target/43156
2760         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2761         at the begining or end.
2762         (spu_expand_epilogue): Likewise.
2763
2764 2010-03-20  Richard Guenther  <rguenther@suse.de>
2765
2766         PR rtl-optimization/43438
2767         * combine.c (make_extraction): Properly zero-/sign-extend an
2768         extraction of the low part of a CONST_INT.  Also handle
2769         CONST_DOUBLE.
2770
2771 2010-03-19  Mike Stump  <mikestump@comcast.net>
2772
2773         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2774         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2775         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2776
2777 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2778
2779         PR c/43211
2780         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2781         an error.
2782
2783 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2784
2785         PR rtl-optimization/42258
2786         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2787         use that may match DEF.
2788
2789         PR target/40697
2790         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2791         the cost of loading the constant rather than assuming
2792         COSTS_N_INSNS (1).
2793         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2794         outer code is AND, do the same tests as the andsi3 expander and
2795         return COSTS_N_INSNS (1) if and is cheap.
2796
2797         * optabs.c (avoid_expensive_constant): Fix formatting.
2798
2799 2010-03-19  Michael Matz  <matz@suse.de>
2800
2801         PR c++/43116
2802         * attribs.c (decl_attributes): When rebuilding a function pointer
2803         type use the same qualifiers as the original pointer type.
2804
2805 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2806
2807         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2808         and is_gimple_ip_invariant_address.
2809
2810 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2811
2812         Revert
2813         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2814
2815         * config/arm/arm.c (arm_override_options): Turn off
2816         flag_dwarf2_cfi_asm for AAPCS variants.
2817
2818 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2819
2820         PR target/43399
2821         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2822         Use PRE_MODIFY instead of PRE_DEC.
2823         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2824         (vfp_emit_fstmd): Likewise.
2825
2826 2010-03-19  Michael Matz  <matz@suse.de>
2827
2828         PR target/43305
2829         * builtins.c (expand_builtin_interclass_mathfn,
2830         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2831         if that fails.
2832
2833 2010-03-19  Richard Guenther  <rguenther@suse.de>
2834
2835         PR tree-optimization/43415
2836         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2837         (phi_translate_1): ... this.
2838         (phi_translate): Move all caching here.  Cache all NARY
2839         and REFERENCE translations.
2840
2841 2010-03-19  David S. Miller  <davem@davemloft.net>
2842
2843         With help from Eric Botcazou.
2844         * config/sparc/sparc.c: Include dwarf2out.h.
2845         (emit_pic_helper): Delete.
2846         (pic_helper_symbol_name): Delete.
2847         (pic_helper_emitted_p): Delete.
2848         (pic_helper_needed): New.
2849         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2850         (get_pc_thunk_name): New.
2851         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2852         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2853         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2854         (sparc_expand_prologue): Update load_pic_register call.
2855         (sparc_output_mi_thunk): Likewise.
2856         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2857         thunk if possible.  Output CFI information as needed.
2858
2859 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2860             Jack Howarth <howarth@bromo.med.uc.edu>
2861
2862         PR target/36399
2863         * config/i386/i386.h: Fix ABI on darwin x86-32.
2864
2865 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2866
2867         * tree.h: Declare make_decl_rtl_for_debug.
2868         * varasm.c (make_decl_rtl_for_debug): New.
2869         * dwarf2out.c (rtl_for_decl_location): Call it.
2870         * cfgexpand.c (expand_debug_expr): Call it.
2871
2872 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2873
2874         PR bootstrap/43399
2875         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2876         mem_mode.
2877
2878         PR bootstrap/43403
2879         * var-tracking.c (vt_init_cfa_base): Do nothing if
2880         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2881
2882 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
2883
2884         PR debug/42873
2885         * var-tracking.c (canonicalize_vars_star): New.
2886         (dataflow_post_merge_adjust): Use it.
2887
2888 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2889
2890         PR debug/43058
2891         * var-tracking.c (non_suitable_const): New function.
2892         (add_uses): For DEBUG_INSNs with constants, don't record any
2893         value, instead just the constant value itself.
2894         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2895         is not VAR_LOC_UNKNOWN_P, set var to the constant.
2896         (emit_notes_in_bb): Likewise.
2897         (emit_note_insn_var_location): For onepart variables if
2898         cur_loc is a VOIDmode constant, use DECL_MODE.
2899
2900 2010-03-18  Martin Jambor  <mjambor@suse.cz>
2901
2902         PR middle-end/42450
2903         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2904         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2905         all non-clones.  Moved call redirection...
2906         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2907         (cgraph_materialize_all_clones): Dispose of all
2908         combined_args_to_skip bitmaps.
2909         (verify_cgraph_node): Do not check for edges pointing to wrong
2910         nodes in inline clones.
2911         * tree-inline.c (copy_bb): Call
2912         cgraph_redirect_edge_call_stmt_to_callee.
2913         * ipa.c (cgraph_remove_unreachable_nodes): Call
2914         cgraph_node_remove_callees even when there are used clones.
2915
2916 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2917
2918         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2919
2920 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2921
2922         PR target/43383
2923         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2924         for 32bit.
2925
2926 2010-03-18  Michael Matz  <matz@suse.de>
2927
2928         PR middle-end/43419
2929         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2930         into sqrt(x) if we need to preserve signed zeros.
2931
2932 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
2933             Eric Botcazou  <ebotcazou@adacore.com>
2934
2935         PR rtl-optimization/43360
2936         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2937         note if we don't know its invariant status.
2938
2939 2010-03-18  Michael Matz  <matz@suse.de>
2940
2941         PR tree-optimization/43402
2942         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2943         PHI chains of ssa names registered for update.
2944
2945 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
2946
2947         PR target/42427
2948         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2949         non-offsettable and pre_modify update addressing.
2950         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2951         and "2" alternatives "#".
2952         (*movdd_softfloat32): Make all alternatives "#";
2953         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2954         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2955         (*movdf_softfloat32): Make all alternatives "#";
2956         (movdi): Use the new DIFD mode iterator to create a common splitter
2957         for movdi, movdf and movdd patterns.
2958
2959 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
2960
2961         * common.opt (dumpdir): Remove redundant tab.
2962
2963 2010-03-17  Martin Jambor  <mjambor@suse.cz>
2964
2965         PR tree-optimization/43347
2966         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2967         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2968
2969 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2970
2971         PR rtl-optimization/42216
2972         * regrename.c (create_new_chain): New function, broken out from...
2973         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
2974         appending a use to an empty chain.
2975         (build_def_use): Remove previous changes that convert OP_INOUT to
2976         OP_OUT operands; instead detect the case where an OP_INOUT operand
2977         uses a previously untracked register and create an empty chain for it.
2978
2979 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2980
2981         * doc/extend.texi (Function Attributes): Rewrite unfinished
2982         sentence in ms_abi documentation.
2983
2984 2010-03-17  Alan Modra  <amodra@gmail.com>
2985
2986         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2987         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2988         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2989         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2990
2991 2010-03-16  Richard Henderson  <rth@redhat.com>
2992
2993         PR middle-end/43365
2994         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2995         (lower_try_finally): Save and restore eh_seq around the expansion
2996         of the try-finally.
2997
2998 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
2999
3000         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3001         statements before splitting block.
3002
3003 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3004
3005         * doc/sourcebuild.texi (Testsuites): Fix markup.
3006         Use pathnames relative to gcc/testsuite.
3007         (Test Directives): Move description of how timeout is determined.
3008         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3009         (C Tests): Correct gcc.misc-tests directory.
3010         Framework tests now live in gcc.test-framework.
3011
3012 2010-03-16  Richard Guenther  <rguenther@suse.de>
3013
3014         PR middle-end/43379
3015         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3016         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3017
3018 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3019             Alexandre Oliva  <aoliva@redhat.com>
3020
3021         PR tree-optimization/42917
3022         * lambda-code.c (remove_iv): Skip debug statements.
3023         (lambda_loopnest_to_gcc_loopnest): Likewise.
3024         (not_interesting_stmt): Debug statements are not interesting.
3025
3026 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3027
3028         PR debug/43051
3029         PR debug/43092
3030         * cselib.c (cselib_preserve_constants,
3031         cfa_base_preserved_val): New static variables.
3032         (preserve_only_constants): New function.
3033         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3034         clear its REG_VALUES.  If cselib_preserve_constants, don't
3035         empty the whole hash table, but preserve there VALUEs with constants,
3036         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3037         (cselib_preserve_cfa_base_value): New function.
3038         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3039         (cselib_init): Change argument to int bitfield.  Set
3040         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3041         is in it.
3042         (cselib_finish): Clear cselib_preserve_constants and
3043         cfa_base_preserved_val.
3044         * cselib.h (enum cselib_record_what): New enum.
3045         (cselib_init): Change argument to int.
3046         (cselib_preserve_cfa_base_value): New prototype.
3047         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3048         * dse.c (dse_step1): Likewise.
3049         * cfgcleanup.c (thread_jump): Likewise.
3050         * sched-deps.c (sched_analyze): Likewise.
3051         * gcse.c (local_cprop_pass): Likewise.
3052         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3053         If FN is non-NULL, call the callback always and whenever it returns
3054         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3055         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3056         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3057         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3058         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3059         * var-tracking.c: Include recog.h.
3060         (bb_stack_adjust_offset): Remove.
3061         (vt_stack_adjustments): Don't call it, instead just gather the
3062         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3063         (adjust_stack_reference): Remove.
3064         (compute_cfa_pointer): New function.
3065         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3066         (struct adjust_mem_data): New type.
3067         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3068         functions.
3069         (get_address_mode): New function.
3070         (replace_expr_with_values): Use it.
3071         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3072         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3073         (adjust_sets): Remove.
3074         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3075         Use get_address_mode.
3076         (get_adjusted_src): Remove.
3077         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3078         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3079         (add_with_sets): Don't call adjust_sets.
3080         (fp_setter, vt_init_cfa_base): New functions.
3081         (vt_initialize): Change return type to bool.  Move most of pool etc.
3082         initialization to the beginning of the function from end.  Pass
3083         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3084         If !frame_pointer_needed, call vt_stack_adjustment before mos
3085         vector is filled, call vt_init_cfa_base if argp/framep has been
3086         eliminated to sp.  If frame_pointer_needed and argp/framep has
3087         been eliminated to hard frame pointer, set
3088         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3089         encountering fp setter in the prologue.  For MO_ADJUST, call
3090         log_op_type before pusing the op into mos vector, not afterwards.
3091         Call adjust_insn before cselib_process_insn/add_with_sets,
3092         call cancel_changes (0) afterwards.
3093         (variable_tracking_main_1): Adjust for vt_initialize calling
3094         vt_stack_adjustments and returning whether it succeeded or not.
3095
3096 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3097
3098         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3099         debug statements.
3100
3101 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3102
3103         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3104         has been set.
3105         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3106         drap_reg has not been set.
3107
3108 2010-03-15  Michael Matz  <matz@suse.de>
3109
3110         PR middle-end/43300
3111         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3112         use it to expand block copies.
3113         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3114         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3115         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3116
3117 2010-03-15  Richard Guenther  <rguenther@suse.de>
3118
3119         PR tree-optimization/43367
3120         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3121         elimination check.
3122
3123 2010-03-15  Richard Guenther  <rguenther@suse.de>
3124
3125         PR tree-optimization/43317
3126         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3127
3128 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3129
3130         PR tree-optimization/43141
3131         * tree-sra.c (create_abstract_origin): New function.
3132         (modify_function): Call create_abstract_origin.
3133
3134 2010-03-15  Chris Demetriou  <cgd@google.com>
3135
3136         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3137         wasn't copied.
3138
3139 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3140
3141         PR middle-end/43354
3142         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3143         call insert_out_of_ssa_copy for default definitions.
3144
3145 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3146
3147         * graphite-clast-to-gimple.c (my_long_long): Defined.
3148         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3149         * graphite-sese-to-poly.c (my_long_long): Defined.
3150         (scop_ivs_can_be_represented): Use it.
3151
3152 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3153
3154         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3155         graphite-max-bbs-per-function, and loop-block-tile-size.
3156         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3157         with "maximum".
3158         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3159
3160 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3161
3162         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3163         forward declaration.
3164         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3165         (add_upper_bounds_from_estimated_nit): New.
3166         (build_loop_iteration_domains): Use it.
3167
3168 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3169
3170         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3171
3172 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3173
3174         PR middle-end/43306
3175         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3176         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3177
3178 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3179
3180         * graphite.c (graphite_initialize): To bound the number of bbs per
3181         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3182         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3183         * doc/invoke.texi: Document it.
3184
3185 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3186
3187         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3188         * graphite-sese-to-poly.h (build_poly_scop): Same.
3189
3190 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3191
3192         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3193         the number of parameters in the scop.  Use as an upper bound
3194         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3195         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3196         * doc/invoke.texi: Document it.
3197
3198 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3199
3200         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3201         * doc/c-tree.texi: Remove.
3202         * doc/generic.texi: Merge c-tree.texi here.
3203         * doc/gccint.texi (Trees): Remove menu entry.
3204         (c-tree.texi): Remove @include.
3205         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3206         * doc/languages.texi (Reading RTL): Ditto.
3207
3208 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3209
3210         PR target/42869
3211         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3212
3213 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3214
3215         PR middle-end/42431
3216         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3217         code added to work around reload clobbering CONST insns.
3218
3219 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3220
3221         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3222         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3223         (cselib_preserve_only_values): Remove retain argument, don't
3224         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3225         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3226         * var-tracking.c (micro_operation): Move insn field before union.
3227         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3228         (struct variable_tracking_info_def): Remove n_mos field, change
3229         mos into a vector of micro_operations.
3230         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3231         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3232         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3233         changing into a vector.
3234         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3235         come before all other uops generated by add_stores.
3236         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3237         argument removal.
3238         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3239         a vector.  Run just one pass over the bbs instead of separate counting
3240         and computation phase.
3241         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3242
3243         PR debug/43329
3244         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3245         into *nonlocalized_list vector.
3246         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3247         even if origin is non-NULL.
3248         (gen_variable_die): Likewise.
3249         (process_scope_var): Don't change origin.
3250         (gen_decl_die): Likewise.
3251         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3252         before adding new edges instead of after it, fix moving over
3253         debug stmts.
3254
3255 2010-03-11  David S. Miller  <davem@davemloft.net>
3256
3257         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3258         of four.
3259         * configure: Rebuild.
3260
3261 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3262
3263         PR tree-optimization/43257
3264         * tree.c (assign_assembler_name_if_neeeded): New function.
3265         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3266         above new function.
3267         * tree.h (assign_assembler_name_if_neeeded): Declare.
3268         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3269         the function if needed.
3270
3271 2010-03-11  Chris Demetriou  <cgd@google.com>
3272
3273         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3274         include/stdint-gcc.h, and include/stdint.h world-readable.
3275
3276 2010-03-11  Richard Guenther  <rguenther@suse.de>
3277
3278         PR tree-optimization/43255
3279         * tree-vrp.c (process_assert_insertions_for): Do not insert
3280         asserts for trivial conditions.
3281
3282 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3283
3284         PR tree-optimization/43280
3285         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3286         generation.  Move calculation of size out of the if branch.
3287         (find_bswap): Modify compare number generation.
3288
3289 2010-03-11  Richard Guenther  <rguenther@suse.de>
3290
3291         PR lto/43200
3292         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3293         (input_gimple_stmt): Fixup handled component types during
3294         operand read.  Also fix up decls in ADDR_EXPRs.
3295
3296 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3297
3298         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3299         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3300
3301 2010-03-10  Jan Hubicka  <jh@suse.cz>
3302
3303         PR c/43288
3304         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3305         * varasm.c (get_variable_section): Don't do that here...
3306         (make_decl_rtl): ... and here.
3307         (do_assemble_alias): Produce decl RTL.
3308         (assemble_alias): Likewise.
3309
3310 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3311
3312         PR debug/43290
3313         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3314         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3315         of fde->vdrap_reg.
3316         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3317         (based_loc_descr): Only express drap or vdrap regno based expressions
3318         using DW_OP_fbreg when not optimizing.
3319         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3320         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3321         REG_CFA_SET_VDRAP note.
3322
3323 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3324
3325         PR tree-optimization/43236
3326         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3327         error in calculation of base address in reverse iteration case.
3328         (generate_builtin): Take number of latch executions if the statement
3329         is in the latch.
3330
3331 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3332
3333         PR middle-end/42859
3334         * tree-eh.c: Include pointer-set.h.
3335         (lower_eh_dispatch): Filter out duplicate case labels and
3336         remove the unneeded edge when the label is unused.  Return
3337         true when some edges are removed.
3338         (execute_lower_eh_dispatch): When any lowering resulted in
3339         removing an edge, also delete unreachable blocks.
3340
3341 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3342
3343         PR bootstrap/43287
3344         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3345         UNSPEC_MACHOPIC_OFFSET.
3346
3347 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3348
3349         PR target/43294
3350         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3351         (m68k_delegitimize_address): New function.
3352
3353 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3354
3355         PR debug/43299
3356         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3357
3358         PR debug/43299
3359         * var-tracking.c (adjust_sets): New function.
3360         (count_with_sets, add_with_sets): Use it.
3361         (get_adjusted_src): New inline function.
3362         (add_stores): Use it.
3363
3364         PR debug/43304
3365         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3366         call cselib_dummy_expand_value_rtx_cb instead of
3367         cselib_expand_value_rtx_cb.
3368
3369         PR debug/43293
3370         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3371         * config/i386/i386.c: Include debug.h and dwarf2out.h.
3372         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3373         and .cfi_endproc around the pic thunks.
3374         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3375         all queued unwind info register saves are saved before the call.
3376         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3377         considered as sp-=4 for unwind info and the pop as sp+=4 which
3378         also clobbers dest, but doesn't actually restore it.
3379
3380         PR debug/43290
3381         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3382         RTX_FRAME_RELATED_P.
3383
3384 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3385
3386         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3387         whitespaces in output template.
3388
3389 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3390
3391         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3392         out array boundary.
3393
3394 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3395
3396         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3397         builtins.exp in a separate job.
3398
3399 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3400
3401         * graphite-sese-to-poly.c (add_param_constraints): Use
3402         lower_bound_in_type and upper_bound_in_type.
3403
3404 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3405
3406         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3407         instead of unsigned_type_node.
3408
3409 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3410             Reza Yazdani  <reza.yazdani@amd.com>
3411
3412         PR middle-end/43065
3413         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3414         on pointer type parameters.
3415
3416 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3417
3418         PR middle-end/42644
3419         PR middle-end/42130
3420         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3421         handle conversions from pointer to integers.
3422         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3423         induction variable, to be able to work with code generated by CLooG.
3424         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3425         (build_poly_scop): Bail out if we cannot codegen a loop.
3426
3427 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3428
3429         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3430         code generation with gloog_error.
3431
3432 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3433
3434         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3435         Call fold_convert on all the returned values.
3436         (expand_scalar_variables_expr): Pass to
3437         expand_scalar_variables_ssa_name the type of the resulting expression.
3438
3439 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3442         ppl_min_for_le_pointset.
3443         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3444         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3445
3446 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3447
3448         * graphite-dependences.c (map_into_dep_poly): Removed.
3449         (dependence_polyhedron_1): Use combine_context_id_scat.
3450