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* tree.h (TYPE_REF_IS_RVALUE): Define.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2
3         * tree.h (TYPE_REF_IS_RVALUE): Define.
4         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
5         should_move_die_to_comdat, prune_unused_types_walk): Handle
6         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
7         (modified_type_die, gen_reference_type_die): Emit
8         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
9         if TYPE_REF_IS_RVALUE and -gdwarf-4.
10
11 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12
13         PR target/43635
14         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
15         calls for -fpic -m31 if they have been sibcall optimized.
16
17 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
18
19         PR rtl-optimization/43520
20         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
21         ar.lc fixed and call-used.
22
23         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
24
25 2010-04-19  Jan Hubicka  <jh@suse.cz>
26
27         * opts.c (decode_options): Disable whpr incompatible passes.
28         * lto/lto.c (lto_1_to_1_map): Skip clones.
29         (read_cgraph_and_symbols): Do not mark everything as needed.
30         (do_whole_program_analysis): Do map only after optimizing;
31         set proper cgraph_state; use passmanager.
32
33 2010-04-19  DJ Delorie  <dj@redhat.com>
34
35         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
36         POINTER_PLUS_EXPR and fix them.
37
38 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
39
40         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
41         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
42         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
43         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
44         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
45         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
46         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
47         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
48         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
49         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
50         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
51
52 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
53
54         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
55         (check_cond_move_block): Likewise.
56         (cond_move_process_if_block): Likewise.
57         (noce_find_if_block): Improve formatting.
58         (find_if_header): Pass 0 to memset and tweak conditions.
59         (cond_exec_find_if_block): Fix long lines and tweak conditions.
60
61 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
62
63         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return
64         0 for -gdwarf-4.
65
66         PR middle-end/43337
67         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
68         with non-local decl doesn't need chain.
69
70 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
71
72         * ira-color.c (allocno_reload_assign): Avoid accumulating
73         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
74
75 2010-04-19  Martin Jambor  <mjambor@suse.cz>
76
77         * gimple.h (create_tmp_reg): Declare.
78         * gimplify.c (create_tmp_reg): New function.
79         (gimplify_return_expr): Use create_tmp_reg.
80         (gimplify_omp_atomic): Likewise.
81         (gimple_regimplify_operands): Likewise.
82         * tree-dfa.c (make_rename_temp): Likewise.
83         * tree-predcom.c (predcom_tmp_var): Likewise.
84         (reassociate_to_the_same_stmt): Likewise.
85         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
86         (get_replaced_param_substitute): Likewise.
87         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
88         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
89         * tree-ssa-pre.c (get_representative_for): Likewise.
90         (create_expression_by_pieces): Likewise.
91         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
92         (create_tailcall_accumulator): Likewise.
93
94 2010-04-19  Martin Jambor  <mjambor@suse.cz>
95
96         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
97         new_stmt.
98         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
99
100 2010-04-19  Richard Guenther  <rguenther@suse.de>
101
102         PR tree-optimization/43796
103         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
104         from SCEV in the lattice.
105         (vrp_visit_phi_node): Dump change.
106
107 2010-04-19  Richard Guenther  <rguenther@suse.de>
108
109         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
110         * configure: Re-generated.
111
112 2010-04-19  Richard Guenther  <rguenther@suse.de>
113
114         PR tree-optimization/43783
115         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
116         constant ARRAY_REF operands two and three if possible.
117
118 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
119
120         PR target/43766
121         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
122
123 2010-04-19  Jie Zhang  <jie@codesourcery.com>
124
125         PR target/43662
126         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
127
128 2010-04-19 Ira Rosen <irar@il.ibm.com>
129
130         PR tree-optimization/37027
131         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions 
132         and macro to access it.
133         (vectorizable_reduction): Add argument.
134         (vect_get_slp_defs): Likewise.
135         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
136         statements for possible use in SLP.
137         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
138         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
139         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
140         add new argument.
141         (vectorizable_reduction): Likewise.
142         * tree-vect-stmts.c (vect_get_vec_defs): Update call to 
143         vect_get_slp_defs.
144         (vectorizable_type_demotion, vectorizable_type_promotion,
145         vectorizable_store): Likewise.
146         (vect_analyze_stmt): Update call to vectorizable_reduction.
147         (vect_transform_stmt): Likewise.
148         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
149         (vect_build_slp_tree): Fix indentation. Check that there are no loads
150         from different interleaving chains in same node.
151         (vect_slp_rearrange_stmts): New function.
152         (vect_supported_load_permutation_p): Allow load permutations for 
153         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
154         inside SLP nodes if necessary.
155         (vect_analyze_slp_instance): Handle reductions.
156         (vect_analyze_slp): Try to build SLP instances originating from groups
157         of reductions.
158         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
159         (vect_get_constant_vectors): Create initial vectors for reductions
160         according to reduction code. Add new argument.
161         (vect_get_slp_defs): Add new argument, pass it to 
162         vect_get_constant_vectors.
163         (vect_schedule_slp_instance): Remove SLP tree root statements.
164
165 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
166
167         * tree.h (ENUM_IS_SCOPED): Define.
168         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
169         for ENUM_IS_SCOPED enums.
170
171 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
172
173         * fold-const.c (fold_comparison): Use ssizetype.
174         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
175         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
176         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
177         * tree-object-size.c (compute_object_sizes): Use size_type_node.
178
179         * tree.h (initialize_sizetypes): Remove parameter.
180         (build_common_tree_nodes): Remove second parameter.
181         * stor-layout.c (initialize_sizetypes): Remove parameter.
182         Always create an unsigned type.
183         (set_sizetype): Assert that the passed type is unsigned and simplify.
184         * tree.c (build_common_tree_nodes): Remove second parameter.
185         Adjust call to initialize_sizetypes.
186         * c-decl.c (c_init_decl_processing): Remove second argument in call to
187         build_common_tree_nodes.
188
189 2010-04-18  Matthias Klose  <doko@ubuntu.com>
190
191         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
192
193 2010-04-18 Ira Rosen <irar@il.ibm.com> 
194
195         PR tree-optimization/43771
196         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
197         load permutation doesn't have gaps.
198
199 2010-04-18  Jan Hubicka  <jh@suse.cz>
200
201         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
202         (sse_prologue_save_insn expander): Use new pattern.
203         (sse_prologue_save_insn1): New pattern and splitter.
204         (sse_prologue_save_insn): Update to deal also with 64bit aligned
205         blocks.
206         * i386.c (setup_incoming_varargs_64): Do not compute jump
207         destination here.
208         (ix86_gimplify_va_arg): Update alignment needed.
209         (ix86_local_alignment): Do not align all local arrays to 128bit.
210
211 2010-04-17  Jan Hubicka  <jh@suse.cz>
212
213         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
214
215 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
216
217         * arm.md (negdi2): Remove redundant code to force values into a
218         register.
219
220 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
221
222         * arm/bpabi.S: Add EABI alignment attributes to objects.
223         * arm/bpabi-v6m.S: Likewise.
224         * arm/crti.asm: Likewise.
225         * arm/crtn.asm: Likewise.
226         * arm/lib1funcs.asm: Likewise.
227         * arm/libunwind.S: Likewise.
228
229 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
230
231         * arm-protos.h (tune_params): New structure.
232         * arm.c (current_tune): New variable.
233         (arm_constant_limit): Delete.
234         (struct processors): Add pointer to the tune parameters.
235         (arm_slowmul_tune): New tuning option.
236         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
237         (all_cores): Adjust to pick up the tuning model.
238         (arm_constant_limit): New function.
239         (arm_override_options): Select the appropriate tuning model.  Delete
240         initialization of arm_const_limit.
241         (arm_split_constant): Use the new constant-limit model.
242         (arm_rtx_costs): Pick up the current tuning model.
243         * arm.md (is_strongarm, is_xscale): Delete.
244         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
245         for Xscale variant architectures.
246         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
247
248 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
249
250         * config/arm/arm.c (arm_gen_constant): Remove unused variable
251         can_shift.
252         (arm_rtx_costs_1): Remove unused variable extra_cost.
253         (arm_unwind_emit_set): Use variable offset.
254         (thumb1_output_casesi): Remove unused variable flags.
255
256 2010-04-16  Jeff Law  <law@redhat.com>
257
258         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
259         needing assignment rather than doing a two-phase assignment.  Remove
260         unused variable 'm'.
261
262 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
263
264         PR bootstrap/43767
265         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
266
267 2010-04-16  Doug Kwan  <dougkwan@google.com>
268
269         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
270         (next_operand_entry_id): New static variable.
271         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
272         (add_to_ops_vec): Assigned unique ID to operand entry.
273         (struct oecount_s): New field ID.
274         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
275         (undistribute_ops_list): Assign unique IDs to oecounts.
276         (init_reassoc): reset next_operand_entry_id.
277
278 2010-04-16  Doug Kwan  <dougkwan@google.com>
279
280         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
281         missing left parenthesis.
282         
283 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
284
285         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
286         *btdi_rex64 using SWI48 mode iterator.
287         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
288         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
289         *jcc_btdi_mask_rex64.
290
291 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
292
293         * double-int.h (tree_to_double_int): Convert to macro.
294         * double-int.c (tree_to_double_int): Remove.
295
296 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
297
298         PR debug/43762
299         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
300         with want_address 2 and in case a single element list might be
301         possible, call it again with want_address 0.
302
303 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
304
305         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
306         case 'W' print operands for HI mode.
307         * config/h8300/h8300.h (Y0, Y2) : New constraints.
308         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
309         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
310         * config/h8300/predicate.md (bit_register_indirect_operand): New.
311
312         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
313
314         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx, 
315         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
316         #xx:3 and #xx:4 mode.
317
318         * config/h8300/h8300.md (inverted load with HImode dest): Add
319         support for H8300SX.
320
321         * config/h8300/predicate.md (bit_operand): Allow immediate values that
322         satisfy 'U' constraint.
323
324 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
325
326         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
327         flavor.
328         * configure: Regenerate.
329         * config.in: Regenerate.
330         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
331         works.
332
333 2010-04-16  Richard Guenther  <rguenther@suse.de>
334
335         * tree.h (struct tree_decl_minimal): Move pt_uid ...
336         (struct tree_decl_common): ... here.
337         (DECL_PT_UID): Adjust.
338         (SET_DECL_PT_UID): Likewise.
339         (DECL_PT_UID_SET_P): Likewise.
340
341 2010-04-16  Richard Guenther  <rguenther@suse.de>
342
343         PR tree-optimization/43572
344         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
345         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
346         * tree-flow.h (is_call_clobbered): Remove.
347         * tree-flow-inline.h (is_call_clobbered): Likewise.
348         * tree-dfa.c (dump_variable): Do not dump call clobber state.
349         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
350         (execute_return_slot_opt): Adjust.
351         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
352         check for call clobbered vars here.
353         (find_tail_calls): Move tailcall verification to the
354         proper place.
355
356 2010-04-16  Diego Novillo  <dnovillo@google.com>
357
358         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
359         handled.
360
361 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
362
363         PR target/40603
364         * config/arm/arm.md (cbranchqi4): New pattern.
365         * config/arm/predicates.md (const0_operand,
366         cbranchqi4_comparison_operator): New predicates.
367
368 2010-04-16  Richard Guenther  <rguenther@suse.de>
369
370         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
371         (dump_gimple_stmt): Likewise.
372
373 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
374
375         * recog.h (struct recog_data): New field is_operator.
376         (struct insn_operand_data): New field is_operator.
377         * recog.c (extract_insn): Set recog_data.is_operator.
378         * genoutput.c (output_operand_data): Emit code to set the
379         is_operator field.
380         * reload.c (find_reloads): Use it rather than testing for an
381         empty constraint string.
382
383         PR target/41514
384         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
385         If the previous insn is a cbranchsi4_insn with the same arguments,
386         omit the compare instruction.
387
388         * config/arm/arm.md (addsi3_cbranch): If destination is a high
389         register, inputs must be low registers and we need a low register
390         scratch.  Handle alternative 2 like alternative 3.
391
392 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
393
394         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
395         don't call get_addr on both.  If one expression is a VALUE and
396         the other a REG, check VALUE's locs if the REG isn't among them.
397
398 2010-04-16  Christian Bruel  <christian.bruel@st.com>
399
400         * config/sh/sh.h (sh_frame_pointer_required): New function.
401         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
402         (flag_omit_frame_pointer) Set.
403         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
404         (rounded_frame_size): Adjust size with outgoing_args_size.
405         (sh_set_return_address): Must return from stack pointer.
406         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
407         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
408         (ACCUMULATE_OUTGOING_ARGS): Define.
409         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
410         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
411
412 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
413
414         PR target/43471
415         * config/sh/sh.c (sh_legitimize_reload_address): Use
416         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
417         Remove a unneeded check for offset_base.
418
419 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
420
421         * configure: Regenerated.
422
423 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
424
425         * config/s390/s390.c (s390_call_save_register_used): Switch back
426         to HARD_REGNO_NREGS.
427
428 2010-04-15  Richard Guenther  <rguenther@suse.de>
429
430         * alias.c (alias_set_subset_of): Handle alias-set zero
431         child properly.
432
433 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
434             Julian Brown  <julian@codesourcery.com>
435
436         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
437         alternatives according to use of high and low regs.
438         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
439         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
440         optimizing for size on Thumb-2.
441
442 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
443
444         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
445
446 2010-04-15  Richard Guenther  <rguenther@suse.de>
447
448         * tree-ssa-structalias.c (struct variable_info): Add
449         is_fn_info flag.
450         (new_var_info): Initialize it.
451         (dump_constraints): Support printing last added constraints.
452         (debug_constraints): Adjust.
453         (dump_constraint_graph): Likewise.
454         (make_heapvar_for): Check for NULL cfun.
455         (get_function_part_constraint): New function.
456         (get_fi_for_callee): Likewise.
457         (find_func_aliases): Properly implement IPA PTA constraints.
458         (process_ipa_clobber): New function.
459         (find_func_clobbers): Likewise.
460         (insert_into_field_list_sorted): Remove.
461         (create_function_info_for): Properly allocate vars for IPA mode.
462         Do not use insert_into_field_list_sorted.
463         (create_variable_info_for): Properly generate constraints for
464         global vars in IPA mode.
465         (dump_solution_for_var): Always dump the solution.
466         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
467         (find_what_var_points_to): Adjust.
468         (pt_solution_set): Change.
469         (pt_solution_ior_into): New function.
470         (pt_solution_empty_p): Export.
471         (pt_solution_includes_global): Adjust.
472         (pt_solution_includes_1): Likewise.
473         (pt_solutions_intersect_1): Likewise.
474         (dump_sa_points_to_info): Check some invariants.
475         (solve_constraints): Move constraint dumping ...
476         (compute_points_to_sets): ... here.
477         (ipa_pta_execute): ... and here.
478         (compute_may_aliases): Do not re-compute points-to info
479         locally if IPA info is available.
480         (ipa_escaped_pt): New global var.
481         (ipa_pta_execute): Properly implement IPA PTA.
482         * tree-into-ssa.c (dump_decl_set): Support dumping
483         decls not in referenced-vars.
484         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
485         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
486         (dump_points_to_solution): Likewise.
487         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
488         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
489         (remap_gimple_stmt): Reset call clobber/use information if
490         necessary.
491         (copy_decl_to_var): Copy DECL_PT_UID.
492         (copy_result_decl_to_var): Likewise.
493         * tree.c (make_node_stat): Initialize DECL_PT_UID.
494         (copy_node_stat): Copy it.
495         * tree.h (DECL_PT_UID): New macro.
496         (SET_DECL_PT_UID): Likewise.
497         (DECL_PT_UID_SET_P): Likewise.
498         (struct tree_decl_minimal): Add pt_uid member.
499         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
500         (pt_solution_empty_p): Declare.
501         (pt_solution_set): Adjust.
502         (ipa_escaped_pt): Declare.
503         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
504         * gimple-pretty-print.c (pp_points_to_solution): New function.
505         (dump_gimple_call): Dump call clobber/use information.
506         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
507         * tree-pass.h (TDF_ALIAS): New dump option.
508         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
509         * doc/invoke.texi (-fipa-pta): Update documentation.
510
511 2010-04-15  Richard Guenther  <rguenther@suse.de>
512
513         * Makefile.in (OBJS-common): Add gimple-fold.o.
514         (gimple-fold.o): New rule.
515         * tree.h (maybe_fold_offset_to_reference,
516         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
517         prototypes ...
518         * gimple.h: ... here.
519         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
520         may_propagate_address_into_dereference): Move prototypes ...
521         * gimple.h: ... here.
522         * tree-ssa-ccp.c (get_symbol_constant_value,
523         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
524         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
525         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
526         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
527         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
528         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
529         gimplify_and_update_call_from_tree): Move ...
530         * gimple-fold.c: ... here.  New file.
531         (ccp_fold_builtin): Rename to ...
532         (gimple_fold_builtin): ... this.
533         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
534
535 2010-04-15  Richard Guenther  <rguenther@suse.de>
536
537         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
538         fit_double_type, force_fit_type_double, add_double_with_sign,
539         neg_double, mul_double_with_sign, lshift_double, rshift_double,
540         lrotate_double, rrotate_double, div_and_round_double): Move ...
541         * double-int.c: ... here.
542         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
543         add_double, neg_double, mul_double_with_sign, mul_double,
544         lshift_double, rshift_double, lrotate_double, rrotate_double,
545         div_and_round_double): Move prototypes ...
546         * double-int.h: ... here.
547
548 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
549
550         PR target/43742
551         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
552         matching constraints to ensure inputs match the output.
553
554 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
555
556         PR target/43742
557         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
558         in an input-only operand.       
559
560 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
561
562         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
563         (double_int_not, double_int_lshift, double_int_rshift): Declare.
564         (double_int_negative_p): Convert to static inline function.
565         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
566         (double_int_negative_p): Remove.
567         * tree.h (lshift_double, rshift_double): 
568         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
569         * fold-const.c (fold_convert_const_int_from_real,
570         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
571         (lshift_double): Change type of arith argument to bool.
572         (rshift_double): Change type of arith argument to bool. Correct
573         comment.
574         * expmed.c (mask_rtx, lshift_value): (Ditto.).
575
576 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
577         
578         PR target/21803
579         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
580         at the start and end of the then/else blocks, and omit them from the
581         conversion.
582         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
583         argument; all callers changed.  Pass zero to old_insns_match_p instead.
584         (flow_find_head_matching_sequence): New function.
585         (old_insns_match_p): Check REG_EH_REGION notes for calls.
586         * basic-block.h (flow_find_cross_jump,
587         flow_find_head_matching_sequence): Declare functions.
588
589 2010-04-14  Jason Merrill  <jason@redhat.com>
590
591         PR c++/36625
592         * c-common.c (attribute_takes_identifier_p): New fn.
593         * c-common.h: Declare it.
594
595 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
596
597         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
598         splitter condition.
599         (*udivmod<mode>4): Ditto.
600
601 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
602
603         * config/i386/i386.md (maxmin_int): Rename code attribute from
604         maxminiprefix and update all users.
605         (maxmin_float): Ditto from maxminfprefix.
606         (logic): Ditto from logicprefix.
607         (absneg_mnemonic): Ditto from absnegprefix.
608         * config/i386/mmx.md: Update all users of maxminiprefix,
609         maxminfprefix and logicprefix for rename.
610         * config/i386/sse.md: Ditto.
611         * config/i386/sync.md (sync_<code><mode>): Update for
612         logicprefix rename.
613
614 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
615
616         PR 42966
617         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
618         warnings converted to errors.
619
620 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
621
622         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
623         used insn_type variable.
624         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
625         to avoid set-but-not-used warning.
626
627 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
628
629         * df-core.c (df_ref_debug): Change format string placeholder
630         from 0x%x to %#x.
631         * dwarf2asm.c (dw2_asm_output_data_raw,
632         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
633         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
634         * dwarf2out.c (output_cfi, output_cfi_directive,
635         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
636         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
637         Ditto.
638         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
639         * print-rtl.c (print_rtx): Ditto.
640
641 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
642
643         PR middle-end/42694
644         * builtins.c (expand_builtin_pow_root): New function to expand pow
645         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
646         series of sqrt and cbrt calls under -ffast-math.
647         (expand_builtin_pow): Call it.
648
649 2010-04-14  Michael Matz  <matz@suse.de>
650
651         PR tree-optimization/42963
652         * tree-cfg.c (touched_switch_bbs): New static variable.
653         (group_case_labels_stmt): New function broken out from ...
654         (group_case_labels): ... here, use the above.
655         (start_recording_case_labels): Allocate touched_switch_bbs.
656         (end_recording_case_labels): Deallocate it, call
657         group_case_labels_stmt.
658         (gimple_redirect_edge_and_branch): Remember index of affected BB.
659
660 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
661
662         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
663         from insn template.
664
665 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
666
667         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
668
669 2010-04-13  Jan Hubicka  <jh@suse.cz>
670
671         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
672         of optimized out static functions.
673         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
674         cost computation.  Also sanity check for overflows.
675         (update_caller_keys): Update cgraph_edge_badness call; properly
676         update fibheap and sanity check that it is up to date.
677         (add_new_edges_to_heap): Update cgraph_edge_badness.
678         (cgraph_decide_inlining_of_small_function): Likewise;
679         add sanity checking that badness in heap is up to date;
680         improve dumping of reason; Update badness of calls to the
681         offline copy of function currently inlined; dump badness
682         of functions not inlined because of unit growth limits.
683
684 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
685
686         PR middle-end/32628
687         * c-common.c (pointer_int_sum): Disregard overflow that occured only
688         because of sign-extension change when converting to sizetype here...
689         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
690
691         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
692         the folding to constants.  Remove redundant final conversion.
693         (fold_binary) <associate>: Do not associate if the re-association of
694         constants alone overflows.
695         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
696         to the end of the list.
697         (multiple_of_p) <COND_EXPR>: New case.
698
699 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
700
701         * opt-functions.awk (opt_sanitized_name): New.
702         (opt_enum): New.
703         * optc-gen.awk: Use it
704         * opth-gen.awk: Use it.
705
706 2010-04-13  Martin Jambor  <mjambor@suse.cz>
707
708         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
709         (sra_modify_assign): Delete stmts loading dead data even if racc has no
710         children.  Call replace_uses_with_default_def_ssa_name to handle
711         SSA_NAES on lhs.
712
713 2010-04-13  Michael Matz  <matz@suse.de>
714
715         PR middle-end/43730
716         * builtins.c (expand_builtin_interclass_mathfn): Also create
717         a register if the predicate doesn't match.
718
719 2010-04-13  Diego Novillo  <dnovillo@google.com>
720
721         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
722         * c-pch.c: Include timevar.h.
723         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
724         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
725         * ggc-common.c: Include timevar.h.
726         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
727         * timevar.def (TV_PCH_SAVE): Define.
728         (TV_PCH_CPP_SAVE): Define.
729         (TV_PCH_PTR_REALLOC): Define.
730         (TV_PCH_PTR_SORT): Define.
731         (TV_PCH_RESTORE): Define.
732         (TV_PCH_CPP_RESTORE): Define.
733
734 2010-04-13  Michael Matz  <matz@suse.de>
735
736         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
737         into MINUS_EXPRs.
738         (can_reassociate_p): New function.
739         (break_up_subtract_bb, reassociate_bb): Use it.
740
741 2010-04-13  Richard Guenther  <rguenther@suse.de>
742
743         PR bootstrap/43737
744         * builtins.c (c_readstr): Fix assert.
745
746 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
747
748         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
749         when generating cltd insn.
750
751         (*ashl<mode>3_1): Remove special handling for register operand 2.
752         (*ashlsi3_1_zext): Ditto.
753         (*ashlhi3_1): Ditto.
754         (*ashlhi3_1_lea): Ditto.
755         (*ashlqi3_1): Ditto.
756         (*ashlqi3_1_lea): Ditto.
757         (*<shiftrt_insn><mode>3_1): Ditto.
758         (*<shiftrt_insn>si3_1_zext): Ditto.
759         (*<shiftrt_insn>qi3_1_slp): Ditto.
760         (*<rotate_insn><mode>3_1): Ditto.
761         (*<rotate_insn>si3_1_zext): Ditto.
762         (*<rotate_insn>qi3_1_slp): Ditto.
763
764 2010-04-13  Richard Guenther  <rguenther@suse.de>
765
766         * tree-ssa-structalias.c (callused_id): Remove.
767         (call_stmt_vars): New.
768         (get_call_vi): Likewise.
769         (lookup_call_use_vi): Likewise.
770         (lookup_call_clobber_vi): Likewise.
771         (get_call_use_vi): Likewise.
772         (get_call_clobber_vi): Likewise.
773         (make_transitive_closure_constraints): Likewise.
774         (handle_const_call): Adjust to do per-call call-used handling.
775         (handle_pure_call): Likewise.
776         (find_what_var_points_to): Remove general callused handling.
777         (init_base_vars): Likewise.
778         (init_alias_vars): Initialize call_stmt_vars.
779         (compute_points_to_sets): Process call-used and call-clobbered
780         vars for call statements.
781         (delete_points_to_sets): Free call_stmt_vars.
782
783 2010-04-13  Richard Guenther  <rguenther@suse.de>
784
785         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
786         Only add RW dependence for dependence distance zero.
787         Adjust maximal vectorization factor according to dependences.
788         Move alignment handling ...
789         (vect_find_same_alignment_drs): ... here.  New function.
790         (vect_analyze_data_ref_dependences): Adjust.
791         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
792         (vect_analyze_data_refs): Adjust minimal vectorization factor
793         according to data references.
794         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
795         dependences before determining the vectorization factor.
796         Analyze alignment after determining the vectorization factor.
797         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
798         dependences before alignment.
799         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
800         Adjust prototype.
801         (vect_analyze_data_refs): Likewise.
802         (MAX_VECTORIZATION_FACTOR): New define.
803
804 2010-04-13  Duncan Sands  <baldrick@free.fr>
805
806         * except.h (lang_eh_type_covers): Remove.
807         * except.c (lang_eh_type_covers): Likewise.
808
809 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
810             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
811
812         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
813         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
814         UNITS_PER_LONG where it is ABI relevant.
815         (s390_return_addr_rtx): Likewise.
816         (s390_back_chain_rtx): Likewise.
817         (s390_frame_area): Likewise.
818         (s390_frame_info): Likewise.
819         (s390_initial_elimination_offset): Likewise.
820         (save_gprs): Likewise.
821         (s390_emit_prologue): Likewise.
822         (s390_emit_epilogue): Likewise.
823         (s390_function_arg_advance): Likewise.
824         (s390_function_arg): Likewise.
825         (s390_va_start): Likewise.
826         (s390_gimplify_va_arg): Likewise.
827         (s390_function_profiler): Likewise.
828         (s390_optimize_prologue): Likewise.
829         (s390_rtx_costs): Likewise.
830         (s390_secondary_reload): Likewise.
831         (s390_promote_function_mode): Likewise.
832         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
833         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
834         registers available.
835         (s390_unwind_word_mode): New function.
836         (s390_function_value): Split 64 bit values into register pair if
837         used as return value.
838         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
839         function call parameters.  Handle parallels.
840         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
841         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
842         (DWARF_CIE_DATA_ALIGNMENT): New macro.
843         (s390_expand_setmem): Remove unused variable src_addr.
844         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
845         deal with 64 bit registers.
846         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
847         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
848         (UNITS_PER_LONG): New macro.
849         * libjava/include/s390-signal.h: Define extended ucontext
850         structure containing the upper halfs of the 64 bit registers.
851
852 2010-04-13  Simon Baldwin  <simonb@google.com>
853
854         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
855
856 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
857
858         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
859         rvalue on the RHS if the LHS is of a non-renamable type.
860         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
861
862 2010-04-13  Matthias Klose  <doko@ubuntu.com>
863
864         * gcc.c (cc1_options): Handle -iplugindir before processing
865         the cc1 spec. Only add -iplugindir once.
866         (cpp_unique_options): Add -iplugindir option if -fplugin* options
867         found.
868         * common.opt (iplugindir): Remove `Separate' property, initialize.
869         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
870         option.
871         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
872         (distclean): Remove plugin dir.
873         * doc/invoke.texi: Document -iplugindir.
874
875 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
876
877         * doc/plugins.texi (Loading Plugins): Document short
878         -fplugin=foo option.
879         (Plugin API): Mention default_plugin_dir_name function.
880
881         * gcc.c (find_file_spec_function): Add new declaration.
882         (static_spec_func): Use it for "find-file".
883         (find_file_spec_function): Add new function.
884         (cc1_options): Add -iplugindir option if -fplugin* options found.
885
886         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
887
888         * plugin.c (add_new_plugin): Updated comment, and handle short
889         plugin name.
890         (default_plugin_dir_name): Added new function.
891
892         * common.opt (iplugindir): New option to set the plugin directory.
893
894 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
895
896         * config/i386/i386.md (any_rotate): New code iterator.
897         (rotate_insn): New code attribute.
898         (rotate): Ditto.
899         (SWIM124): New mode iterator.
900         (<rotate_insn>ti3): New expander.
901         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
902         any_rotate code iterator.
903         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
904         using any_rotate code iterator and SWIM124 mode iterator.
905         (ix86_rotlti3): New insn_and_split pattern.
906         (ix86_rotrti3): Ditto.
907         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
908         ix86_rotl{di,ti}3 patterns.
909         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
910         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
911         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
912         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
913         code iterator and SWI mode iterator.
914         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
915         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
916         code iterator.
917         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
918         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
919         (bswap rotatert splitter): Add splitter.
920         (bswap splitter): Macroize splitter using any_rotate code iterator.
921         Add insn predicate to split only for TARGET_USE_XCHGB or when
922         optimizing function for size.
923
924 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
925
926         * config/pa/pa.c (emit_move_sequence): Remove use of
927         deleted variable flag_argument_noalias.
928
929 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
930
931         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
932         configurations.
933         Add to unsupported targets list.
934         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
935         sparc*-sun-solaris2.[567]* from target lists.
936         * configure: Regenerate.
937         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
938         removal.
939         Remove Solaris 7 patch references.
940         (Specific, sparc-sun-solaris2.7): Removed.
941         (sparc-sun-solaris2*): Update Solaris 7 example.
942         (sparc64-*-solaris2*): Likewise.
943
944 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
945
946         * config.build (alpha*-dec-osf4*): Remove.
947         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
948         of obsolete configurations.
949         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
950         support.
951         * config/alpha/t-osf4: Renamed to ...
952         * config/alpha/t-osf5: ... this.
953         * config/alpha/osf.h: Renamed to ...
954         * config/alpha/osf5.h: ... this.
955         Merged old osf5.h contents.
956         Update comments.
957         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
958         (EXTRA_SPECS): Removed.
959         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
960         reflect removal of Tru64 UNIX V4.0/V5.0 support.
961         Document that.
962
963 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
964
965         * doc/contrib.texi (Contributors, Rainer Orth): Update.
966
967 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
968
969         PR/43702
970         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
971         __thiscall convention.
972
973 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
974
975         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
976         orig_base.
977         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
978
979 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
980
981         * function.c (assign_parms_initialize_all): Add unused attribute
982         to fntype.
983
984 2010-04-12  Richard Guenther  <rguenther@suse.de>
985
986         * gsstruct.def (GSS_CALL): New.
987         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
988         * gimple.h: Include tree-ssa-alias.h.
989         (struct gimple_statement_call): New.
990         (union gimple_statement_struct_d): Add gimple_call member.
991         (gimple_call_reset_alias_info): Declare.
992         (gimple_call_use_set): New function.
993         (gimple_call_clobber_set): Likewise.
994         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
995         * gimple.c (gimple_call_reset_alias_info): New function.
996         (gimple_build_call_1): Call it.
997         * lto-streamer-in.c (input_gimple_stmt): Likewise.
998         * tree-inline.c (remap_gimple_stmt): Likewise.
999         (expand_call_inline): Remove callused handling.
1000         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1001         * tree-dfa.c (dump_variable): Likewise.
1002         * tree-parloops.c (parallelize_loops): Likewise.
1003         * tree-ssa.c (init_tree_ssa): Likewise.
1004         (delete_tree_ssa): Likewise.
1005         * tree-flow-inline.h (is_call_used): Remove.
1006         * tree-flow.h (struct gimple_df): Remove callused member.
1007         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1008         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1009         (ref_maybe_used_by_call_p_1): Simplify.
1010         (call_may_clobber_ref_p_1): Likewise.
1011         * tree-ssa-structalias.c (compute_points_to_sets): Set
1012         the call stmt used and clobbered sets.
1013         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1014         (find_tail_calls): Verify the tail call.
1015
1016 2010-04-12  Richard Guenther  <rguenther@suse.de>
1017
1018         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1019         single-iteration always-inline inlining.
1020         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1021         (cgraph_decide_inlining): Do not handle always-inline specially.
1022         (try_inline): Remove always-inline cycle detection special case.
1023         Do not recurse on always-inlines.
1024         (cgraph_early_inlining): Do not iterate if not optimizing.
1025         (cgraph_gate_early_inlining): remove.
1026         (pass_early_inline): Run unconditionally.
1027         (gate_cgraph_decide_inlining): New function.
1028         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1029         not inlining or optimizing.
1030         (cgraph_decide_inlining_of_small_functions): Also consider
1031         always-inline functions.
1032         (cgraph_default_inline_p): Return true for nodes which should
1033         disregard inline limits.
1034         (estimate_function_body_sizes): Assume zero size and time for
1035         nodes which are marked as disregarding inline limits.
1036         (cgraph_decide_recursive_inlining): Do not perform recursive
1037         inlining on always-inline nodes.
1038
1039 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1040
1041         PR bootstrap/43699
1042         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1043         for exprs satisfying handled_component_p.
1044
1045 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1046
1047         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1048         non-constant aggregate elements.
1049
1050         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1051         is a real initialization.
1052
1053 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1054
1055         PR c/36774
1056         * c-decl.c (start_function): Move forward check for nested function.
1057
1058 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1059
1060         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1061         * config/sh/sh.c: Include reload.h.
1062         (sh_legitimize_reload_address): New.
1063         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1064         sh_legitimize_reload_address.
1065
1066 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1067
1068         * config/sh/sh.md (*movqi_pop): New insn pattern.
1069         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1070
1071 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1072
1073         * config/i386/i386.md (any_shiftrt): New code iterator.
1074         (shiftrt_insn): New code attribute.
1075         (shiftrt): Ditto.
1076         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1077         using any_shiftrt code iterator.
1078         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1079         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1080         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1081         pattern from corresponding peephole2 patterns.
1082         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1083         using any_shiftrt code iterator.
1084         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1085         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1086         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1087         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1088         *{ashr,lshr}<mode>3_cmp_zext.
1089         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1090
1091 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1092
1093         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1094         scratch register.
1095         (*lshr<mode>3_cconly): Ditto.
1096
1097 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1098
1099         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1100         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1101         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1102         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1103         DWI mode iterator.
1104         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1105         from corresponding peephole2 patterns.
1106         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1107         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1108         and *lshrdi3_1_rex64 using SWI mode iterator.
1109         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1110         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1111         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1112         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1113         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1114         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1115         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1116         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1117         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1118         SWI mode iterator.
1119
1120 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1121
1122         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1123         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1124         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1125         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1126         DWI mode iterator.
1127         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1128         from corresponding peephole2 patterns.
1129         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1130         (ashrsi3_cvt): Rename from ashrsi3_31.
1131         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1132         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1133         and x86_64_shift_adj_3 using SWI48 mode iterator.
1134         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1135         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1136         and *ashrdi3_1_rex64 using SWI mode iterator.
1137         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1138         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1139         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1140         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1141         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1142         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1143         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1144         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1145         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1146         SWI mode iterator.
1147         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1148         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1149         x86_shift<mode>_adj_3 expanders.
1150
1151 2010-04-10  Wei Guozhi  <carrot@google.com>
1152
1153         PR target/42601
1154         * config/arm/arm.c (arm_pic_static_addr): New function.
1155         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1156         a static symbol.
1157         (arm_output_addr_const_extra): Output expression for new pattern.
1158         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1159
1160 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1161
1162         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1163         not enabled.
1164
1165         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1166         * web.c: Include "insn-config.h" and "recog.h".
1167         (union_match_dups): New function.
1168         (web_main): Call it.
1169         (union_defs): Don't try to recognize match_dups.
1170
1171         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1172         if doing so would replace the entire pattern.
1173
1174 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1175
1176         PR target/43707
1177         PR target/43709
1178         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1179         and splitter pattern.  Change splitter operand 1 predicate to
1180         nonmemory_operand.
1181
1182 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1183
1184         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1185         lattices are addresses of CONST_DECLs with the same initial value.
1186         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1187         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1188
1189 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1190             Bernd Schmidt  <bernds@codesourcery.com>
1191
1192         * loop-invariant.c (replace_uses): New static function.
1193         (move_invariant_reg): Use it to ensure we can replace the uses.
1194
1195 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1196
1197         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1198         function template.
1199         (picochip_override_options): Enable section anchors only above -O1.
1200         (picochip_reorg): Fixed a couple of build warnings.
1201
1202 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1203
1204         * configure.ac (plugin -rdynamic test): Log result.
1205         * configure: Regenerate.
1206         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1207         (RDYNAMIC_SPEC): Define.
1208         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1209
1210 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1211
1212         * configure.ac: Determine Sun ld version numbers.
1213         (comdat_group): Restrict GNU ld version checks to gld.
1214         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1215         (enable_comdat): Support --enable-comdat.
1216         * configure: Regenerate.
1217         * doc/install.texi (Configuration): Document --enable-comdat.
1218
1219 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1220
1221         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1222         * config/sol2-gld.h: ... here.
1223         * config.gcc (sparc*-*-solaris2*): Reflect this.
1224         (i[34567]86-*-solaris2*): Use it.
1225
1226 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1227
1228         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1229         setup_clocks_p.
1230         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1231
1232 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1233
1234         PR 42965
1235         * diagnostic.c (diagnostic_initialize): Initialize
1236         some_warnings_are_errors.
1237         (diagnostic_finish): New.
1238         (diagnostic_action_after_output): Call it before exiting.
1239         (diagnostic_report_diagnostic): Do not print message here. Set
1240         some_warnings_are_errors.
1241         * diagnostic.h (diagnostic_context): Delete
1242         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1243         (diagnostic_finish): Declare.
1244         * toplev.c (toplev_main): Call it before exit.
1245
1246 2010-04-09  Jason Merrill  <jason@redhat.com>
1247
1248         PR c++/42623
1249         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1250         for incomplete type.
1251
1252         PR c++/41788
1253         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1254         based on a warning flag.
1255
1256 2010-04-09  Richard Guenther  <rguenther@suse.de>
1257
1258         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1259
1260 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1261
1262         PR bootstrap/43684
1263         * varasm.c (default_assemble_visibility): Wrap vars that are
1264         set, but unused, by targets without GAS.
1265         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1266         Remove set, but unused, vars.
1267         (rs6000_legitimize_tls_address): Likewise.
1268         (altivec_expand_dst_builtin): Likewise.
1269         * config/darwin.c (machopic_classify_symbol): Likewise.
1270         (machopic_indirection_name): Likewise.
1271
1272 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1273
1274         * config/i386/i386.md (DWI): New mode iterator.
1275         (S): New mode attribute.
1276         (shift_operand): Ditto.
1277         (shift_immediate_operand): Ditto.
1278         (ashl_input_operand): Ditto.
1279         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1280         using SDWIM mode iterator.
1281         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1282         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1283         DWI mode iterator.
1284         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1285         from corresponding peephole2 patterns.
1286         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1287         and x86_64_shift_adj_1 using SWI48 mode iterator.
1288         (x86_shift<mode>_adj_2): Ditto.
1289         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1290         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1291         using SWI48 mode iterator.
1292         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1293         *ashldi3_cmp_rex64 using SWI mode iterator.
1294         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1295         *ashldi3_cconly_rex64 using SWI mode iterator.
1296         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1297         x86_shift<mode>_adj_{1,2}.
1298         (ix86_split_ashr): Ditto.
1299         (ix86_split_lshr): Ditto.
1300
1301 2010-04-09  Richard Guenther  <rguenther@suse.de>
1302
1303         * target.h (builtin_conversion): Pass in input and output types.
1304         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1305         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1306         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1307         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1308
1309         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1310         Handle AVX modes.
1311         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1312
1313 2010-04-09  Richard Guenther  <rguenther@suse.de>
1314
1315         PR target/43152
1316         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1317
1318 2010-04-09  Richard Guenther  <rguenther@suse.de>
1319
1320         * tree-vectorizer.h (struct _stmt_vec_info): Document
1321         that vectype is the type of the LHS.
1322         (supportable_widening_operation, supportable_narrowing_operation):
1323         Get both input and output vector types as arguments.
1324         (vect_is_simple_use_1): Declare.
1325         (get_same_sized_vectype): Likewise.
1326         * tree-vect-loop.c (vect_determine_vectorization_factor):
1327         Set STMT_VINFO_VECTYPE to the vector type of the def.
1328         (vectorizable_reduction): Adjust.
1329         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1330         Adjust.  Specify the output vector type.
1331         (vect_pattern_recog_1): Adjust.
1332         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1333         (vectorizable_call): Adjust.
1334         (vectorizable_conversion): Likewise.
1335         (vectorizable_operation): Likewise.
1336         (vectorizable_type_demotion): Likewise.
1337         (vectorizable_type_promotion): Likewise.
1338         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1339         the def.
1340         (vect_is_simple_use_1): New function.
1341         (supportable_widening_operation): Get both input and output
1342         vector types.
1343         (supportable_narrowing_operation): Likewise.
1344         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1345
1346 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1347
1348         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1349         __thiscall and _thiscall as predefined macros.
1350         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1351         thiscall attribute handling.
1352         (ix86_comp_type_attributes): Likewise.
1353         (ix86_function_regparm): Likewise.
1354         (ix86_return_pops_args): Likewise.
1355         (init_cumulative_args): Likewise.
1356         (find_drap_reg): Likewise.
1357         (ix86_static_chain): Likewise.
1358         (x86_this_parameter): Likewise.
1359         (x86_output_mi_thunk): Likewise.
1360         (ix86_attribute_table): Add description for thiscall attribute.
1361         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1362         * doc/extend.texi: Add documentation for thiscall.
1363
1364 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1365
1366         PR c++/28584
1367         * c.opt (Wint-to-pointer-cast): Available in C++.
1368         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1369
1370 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1371
1372         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1373         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1374         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1375         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1376         function type instead.  Reorder and simplify checks.
1377
1378         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1379
1380 2010-04-08  Jing Yu  <jingyu@google.com>
1381             Zdenek Dvorak  <ook@ucw.cz>
1382
1383         PR tree-optimization/42720
1384         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1385         loop unswitch conditions here from ...
1386         (tree_unswitch_single_loop): ... here.
1387
1388 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1389
1390         * tree-if-conv.c: Fix comments and simplify logic.
1391
1392 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1393
1394         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1395         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1396         (main_tree_if_conversion): Update call to tree_if_conversion.
1397
1398 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1399
1400         PR 42485
1401         * doc/invoke.texi (-b,-V): Delete.
1402         * doc/tm.texi: Do not mention -b.
1403         * gcc.c (display_help): Delete -b and -V.
1404         (process_command): Delete -b and -V.
1405         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1406
1407 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1408             Wolfgang Gellerich  <gellerich@de.ibm.com>
1409
1410         Implement target hook for loop unrolling
1411         * target.h (loop_unroll_adjust): Add a new target hook function.
1412         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1413         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1414         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1415         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1416         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1417         target hook.
1418         (decide_unroll_stupid): Likewise.
1419
1420 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1421
1422         PR target/43643
1423         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1424
1425 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1426
1427         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1428         (Specific, *-*-solaris2*): Likewise.
1429         Don't prefer Sun as over GNU as.
1430
1431 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1432
1433         * config/s390/s390.c (override_options): Adjust the z10
1434           defaults for max-unroll-times, max-completely-peeled-insns
1435           and max-completely-peel-times.
1436
1437 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1438
1439         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1440         instructions for z10.
1441         (s390_expand_setmem): Likewise.
1442         (s390_expand_cmpmem): Likewise.
1443
1444 2010-04-08  Richard Guenther  <rguenther@suse.de>
1445
1446         PR tree-optimization/43679
1447         * tree-ssa-pre.c (eliminate): Only propagate copies.
1448
1449 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1450
1451         PR bootstrap/43681
1452         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1453         set but not used variable warning.
1454
1455 2010-04-08  Wei Guozhi  <carrot@google.com>
1456
1457         PR target/41653
1458         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1459         (arm_size_rtx_costs): Call the new function when optimized for size.
1460
1461 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1462
1463         PR debug/43670
1464         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1465         op0 is not a MEM, just return NULL instead of assertion
1466         failure.
1467         (discover_nonconstant_array_refs): Don't walk debug stmts.
1468
1469 2010-04-08  Doug Kwan  <dougkwan@google.com>
1470
1471         * configure.ac: Recognize gold and do not use its version number
1472         to test ld features.
1473         * configure: Regenerate.
1474
1475 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1476
1477         PR middle-end/40815
1478         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1479         (negate_value): Move code to push elements to broken_up_substracts ...
1480         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1481         negative pair to plus_negates.
1482         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1483
1484 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1485
1486         * doc/install.texi (Configuration): Move description of
1487         --enable-lto, --with-libelf*, --enable-gold from Java section to
1488         general section.
1489
1490         * doc/generic.texi (Working with declarations)
1491         (Function Properties, C and C++ Trees): Fix typos.
1492         * doc/sourcebuild.texi (Top Level): Likewise.
1493
1494 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1495
1496         PR c/18624
1497         * tree.h (DECL_READ_P): Define.
1498         (struct tree_decl_common): Add decl_read_flag.
1499         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1500         a set but not used warning.
1501         (merge_decls): Merge DECL_READ_P flag.
1502         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1503         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1504         * c-common.c (handle_used_attribute, handle_unused_attribute):
1505         Likewise.
1506         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1507         New prototypes.
1508         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1509         New functions.
1510         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1511         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1512         c_parser_binary_expression, c_parser_cast_expression,
1513         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1514         Call default_function_array_read_conversion instead of
1515         default_function_array_conversion where needed.
1516         (c_parser_unary_expression, c_parser_conditional_expression,
1517         c_parser_postfix_expression_after_primary, c_parser_initelt):
1518         Likewise.  Call mark_exp_read where needed.
1519         (c_parser_statement_after_labels, c_parser_asm_operands,
1520         c_parser_typeof_specifier, c_parser_sizeof_expression,
1521         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1522         where needed.
1523         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1524         New.
1525         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1526         (warn_unused_but_set_parameter): Default to warn_unused
1527         && extra_warnings.
1528         * doc/invoke.texi: Document -Wunused-but-set-variable and
1529         -Wunused-but-set-parameter.
1530
1531         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1532         used count variable.
1533         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1534         when operandN variables aren't used in the body of the expander
1535         or splitter.
1536         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1537         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1538         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1539         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1540         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1541         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1542         * tree.c (PROCESS_ARG): Likewise.
1543
1544 2010-04-07  Simon Baldwin  <simonb@google.com>
1545
1546         * diagnostic.h (diagnostic_override_option_index): New macro to
1547         set a diagnostic's option_index.
1548         * c-tree.h (c_cpp_error): Add warning reason argument.
1549         * opts.c (_warning_as_error_callback): New.
1550         (register_warning_as_error_callback): Store callback for
1551         warnings enabled via enable_warning_as_error.
1552         (enable_warning_as_error): Call callback, minor code tidy.
1553         * opts.h (register_warning_as_error_callback): Declare.
1554         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1555         response to -Werror=.
1556         (c_common_init_options): Register warning_as_error_callback in opts.c.
1557         * common.opt: Add -Wno-cpp option.
1558         * c-common.c (struct reason_option_codes_t): Map cpp warning
1559         reason codes to gcc option indexes.
1560         * (c_option_controlling_cpp_error): New function, lookup the gcc
1561         option index for a cpp warning reason code.
1562         * (c_cpp_error): Add warning reason argument, call
1563         c_option_controlling_cpp_error for diagnostic_override_option_index.
1564         * doc/invoke.texi: Document -Wno-cpp.
1565
1566 2010-04-07  Richard Guenther  <rguenther@suse.de>
1567
1568         * ipa-reference.c (mark_load): Use get_base_address.
1569         (mark_store): Likewise.
1570
1571         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1572         inserting GIMPLE_NOPs into the IL.
1573         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1574         Explicitly strip handled components and indirect references.
1575
1576         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1577         folding address expressions.
1578         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1579         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1580         operand_equal_p to compare decls.
1581         (ptr_deref_may_alias_decl_p): Likewise.
1582         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1583         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1584         Handle reversed comparison ops.
1585         * tree-sra.c (asm_visit_addr): Use get_base_address.
1586         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1587         * ipa-reference.c (mark_address): Use get_base_address.
1588
1589 2010-04-07  Richard Guenther  <rguenther@suse.de>
1590
1591         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1592         Propagate constants everywhere.
1593
1594 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1595
1596         PR debug/43516
1597         * tree.c (MAX_INT_CACHED_PREC): Define.
1598         (nonstandard_integer_type_cache): New array.
1599         (build_nonstandard_integer_type): Cache results for precision
1600         <= MAX_INT_CACHED_PREC.
1601
1602 2010-04-07  Richard Guenther  <rguenther@suse.de>
1603
1604         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1605         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1606         * common.opt: Likewise.
1607         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1608         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1609         (nonoverlapping_memrefs_p): Likewise.
1610         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1611         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1612         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1613         OPT_fargument_noalias_global for backward compatibility.
1614
1615 2010-04-07  Richard Guenther  <rguenther@suse.de>
1616
1617         PR tree-optimization/43270
1618         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1619         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1620         * tree-ssa-pre.c (phi_translate_1): Adjust.
1621         (fully_constant_expression): Split out vn_reference handling to ...
1622         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1623         Fold reads from constant strings.
1624         (vn_reference_lookup): Handle fully constant references.
1625         (vn_reference_lookup_pieces): Likewise.
1626         * Makefile.in (expmed.o-warn): Add -Wno-error.
1627
1628 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1629
1630         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1631
1632 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1633
1634         PR driver/41594
1635         * gcc.c: Add -static-libstdc++ to list of recognized options.
1636
1637 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1638
1639         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1640
1641 2010-04-07  Richard Guenther  <rguenther@suse.de>
1642
1643         PR middle-end/42617
1644         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1645         bases build simple mem attributes to retain points-to information.
1646
1647 2010-04-07  Richard Guenther  <rguenther@suse.de>
1648
1649         PR middle-end/42617
1650         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1651         preserve points-to related information.
1652
1653 2010-04-07  Richard Guenther  <rguenther@suse.de>
1654
1655         PR middle-end/42617
1656         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1657         discard plain indirect references.
1658         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1659         * tree.c (tree_nop_conversion): Likewise.
1660
1661 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1662
1663         PR debug/43628
1664         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1665
1666 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1667
1668         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1669         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1670
1671 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1672
1673         * tree-if-conv.c: Fix indentation and comments.
1674
1675 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1676
1677         * tree-if-conv.c: Sort static functions in topological order.
1678
1679 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1680
1681         * tree-if-conv.c: Fix indentation and comments.
1682
1683 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1684
1685         PR middle-end/43519
1686         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1687         lang_hooks.types.type_for_size instead of
1688         build_nonstandard_integer_type.
1689         When converting an unsigned type to signed, double its precision.
1690         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1691         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1692         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1693         use lb <= ub.
1694
1695 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1696
1697         PR middle-end/43519
1698         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1699         POINTER_PLUS_EXPR for pointer types.
1700
1701 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1702
1703         PR middle-end/43519
1704         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1705         * graphite-clast-to-gimple.c: Include langhooks.h.
1706         (max_signed_precision_type): New.
1707         (max_precision_type): Takes two types as arguments.
1708         (precision_for_value): New.
1709         (precision_for_interval): New.
1710         (gcc_type_for_interval): New.
1711         (gcc_type_for_value): New.
1712         (gcc_type_for_clast_term): New.
1713         (gcc_type_for_clast_red): New.
1714         (gcc_type_for_clast_bin): New.
1715         (gcc_type_for_clast_expr): Split up into several functions.
1716         (gcc_type_for_clast_eq): Rewritten.
1717         (compute_bounds_for_level): New.
1718         (compute_type_for_level_1): New.
1719         (compute_type_for_level): New.
1720         (gcc_type_for_cloog_iv): Removed.
1721         (gcc_type_for_iv_of_clast_loop): Rewritten.
1722         (graphite_create_new_loop): Compute the lower and upper bound types
1723         with gcc_type_for_clast_expr.
1724         (graphite_create_new_loop_guard): Same.
1725         (find_cloog_iv_in_expr): Removed.
1726         (compute_cloog_iv_types_1): Removed.
1727         (compute_cloog_iv_types): Removed.
1728         (gloog): Do not call compute_cloog_iv_types.
1729         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1730         GBB_CLOOG_IV_TYPES.
1731         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1732         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1733         (GBB_CLOOG_IV_TYPES): Removed.
1734
1735 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1736
1737         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1738         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1739         (detect_commutative_reduction): Same.
1740
1741 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1742
1743         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1744         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1745         argument.
1746         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1747         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1748         (rewrite_commutative_reductions_out_of_ssa): Same.
1749         * passes.c (execute_function_todo): Call verify_ssa for every pass
1750         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1751         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1752         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1753         with an extra argument.
1754         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1755         verify_ssa only when the extra argument is true.
1756         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1757         with an extra argument.
1758         (tree_transform_and_unroll_loop): Same.
1759
1760 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1763         for all the passes of the LNO having LOOP_CLOSED_SSA.
1764         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1765         * tree-loop-distribution.c (pass_loop_distribution): Same.
1766         * tree-pass.h (TODO_verify_loops): Removed.
1767         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1768         (pass_lim): Same.
1769         (pass_tree_unswitch): Same.
1770         (pass_predcom): Same.
1771         (pass_vectorize): Same.
1772         (pass_linear_transform): Same.
1773         (pass_graphite_transforms): Same.
1774         (pass_iv_canon): Same.
1775         (pass_complete_unroll): Same.
1776         (pass_complete_unrolli): Same.
1777         (pass_parallelize_loops): Same.
1778         (pass_loop_prefetch): Same.
1779         (pass_iv_optimize): Same.
1780
1781 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1782
1783         PR middle-end/32824
1784         * passes.c (init_optimization_passes): Move pass_lim before
1785         pass_copy_prop and pass_dce_loop.
1786
1787 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1788
1789         PR target/43667
1790         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1791         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1792         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1793         MULTI_* defines for 4 argument vpermil2p* builtins.
1794
1795 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1796
1797         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1798         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1799         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1800         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1801         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1802         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1803         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1804         Use x86_maybe_negate_const_int to output insn mnemonic.
1805         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1806         check from instruction predicate.  Update comments.
1807         * config/i386/sync.md (sync_add<mode>): Use
1808         x86_maybe_negate_const_int to output insn mnemonic.
1809
1810 2010-04-06  Jan Hubicka  <jh@suse.cz>
1811
1812         PR tree-optimization/42906
1813         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1814         IGNORE_SELF argument.  Set visited_control_parents for fully
1815         processed BBs.
1816         (find_obviously_necessary_stmts): Update call of
1817         mark_control_dependent_edges_necessary.
1818         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
1819
1820 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1821
1822         * config/i386/i386.md: Remove comment about 'e' and 'E'
1823         operand modifier.
1824
1825 2010-04-06  Richard Guenther  <rguenther@suse.de>
1826
1827         PR tree-optimization/43627
1828         * tree-vrp.c (extract_range_from_unary_expr): Widenings
1829         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1830         not varying.
1831
1832 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1833
1834         * BASE-VER: Change to 4.6.0.
1835
1836         PR target/43638
1837         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1838         handling.
1839
1840 2010-04-06  Richard Guenther  <rguenther@suse.de>
1841
1842         PR middle-end/43661
1843         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1844
1845 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1846
1847         * doc/invoke.texi (Optimize Options): Document that LTO
1848         won't remove object access purely due to incompatible
1849         declarations.
1850
1851 2010-04-04  Matthias Klose  <doko@ubuntu.com>
1852
1853         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1854         Initialize variable.
1855
1856 2010-04-03  Richard Guenther  <rguenther@suse.de>
1857
1858         PR middle-end/42509
1859         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1860         require a non-NULL MEM_OFFSET.
1861
1862 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
1863
1864         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1865         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1866         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1867         config/alpha/predicates.md, config/arm/arm.md,
1868         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1869         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1870         config/darwin9.h, config/darwin.c, config/darwin.h,
1871         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1872         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1873         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1874         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1875         config/mips/mips.md, config/mn10300/mn10300.c,
1876         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1877         config/rs6000/aix.h, config/rs6000/dfp.md,
1878         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1879         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1880         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1881         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1882         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1883         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1884         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1885         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1886         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1887         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1888         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1889         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1890         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1891         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1892         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1893         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1894         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1895         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1896         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1897         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1898         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1899         opt-functions.awk, opth-gen.awk, params.def, passes.c,
1900         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1901         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1902         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1903         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1904         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1905         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1906         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1907         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1908         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1909         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1910         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1911         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1912         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1913         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1914
1915 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1916
1917         PR other/43620
1918         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1919         * aclocal.m4: Regenerate.
1920
1921 2010-04-02  Richard Guenther  <rguenther@suse.de>
1922
1923         PR tree-optimization/43629
1924         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1925         if we have seen a constant value.
1926
1927 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
1928
1929         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1930
1931 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
1932
1933         PR target/43469
1934         * arm.c (legitimize_tls_address): Adjust call to
1935         gen_tls_load_dot_plus_four.
1936         (arm_note_pic_base): New function.
1937         (arm_cannot_copy_insn_p): Use it.
1938         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1939         constraint.
1940
1941 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1942
1943         PR bootstrap/43531
1944
1945         Revert:
1946         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1947
1948         * Makefile.in ($(out_object_file)): Depend on
1949         gt-$(basename $(notdir $(out_file))).h.
1950
1951 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
1952
1953         * config.gcc (lm32-*-rtems*): Add t-lm32.
1954
1955 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
1956
1957         * config.gcc: Add lm32-*-rtems*.
1958         * config/lm32/rtems.h: New file.
1959
1960 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
1961
1962         PR target/42609
1963         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1964
1965 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
1966
1967         * dwarf2out.c (output_compilation_unit_header): For
1968         -gdwarf-4 use version 4 instead of version 3.
1969         (output_line_info): For version 4 and above emit additional
1970         maximum ops per insn header field.
1971         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1972
1973         * dwarf2out.c (is_c_family, is_java): Remove.
1974         (lower_bound_default): New function.
1975         (add_bound_info, gen_descr_array_type_die): Use it.
1976
1977 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
1978
1979         PR debug/43325
1980         * dwarf2out.c (gen_variable_die): Allow debug info for variable
1981         re-declaration when it happens in a function.
1982
1983 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
1984
1985         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1986         (cgraph_remove_function_insertion_hook): Same.
1987         (cgraph_call_function_insertion_hooks): Same.
1988
1989 2010-04-01  Richard Guenther  <rguenther@suse.de>
1990
1991         PR middle-end/43614
1992         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1993         and TREE_THIS_VOLATILE.
1994         (copy_ref_info): Likewise.
1995         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1996         * tree.c (build6_stat): Ignore side-effects of all but arg5
1997         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
1998         TARGET_MEM_REF.
1999
2000 2010-04-01  Richard Guenther  <rguenther@suse.de>
2001
2002         PR tree-optimization/43607
2003         * ipa-type-escape.c (check_call): Do not access non-existing
2004         arguments.
2005
2006 2010-04-01  Richard Guenther  <rguenther@suse.de>
2007
2008         PR middle-end/43602
2009         Revert
2010         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2011                     Jack Howarth <howarth@bromo.med.uc.edu>
2012
2013         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2014         variables TLS.
2015
2016 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2017
2018         * doc/install.texi (Prerequisites): Document libelf usability on
2019         IRIX 5/6 and Solaris 2.
2020         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2021         Update GNU as, GNU ld requirements.
2022         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2023         Document Sun Studio compiler download.
2024         Update and simplify as, ld recommendations.
2025         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2026
2027 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2028
2029         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2030         with_tune_32 to pentium4.
2031
2032 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2033
2034         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2035
2036 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2037
2038         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2039         obsoletion, removal.
2040         Update IDO URL.
2041         Document GNU as requirement.
2042         Update configure requirements.
2043         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2044         Recomment IRIX 6.5.18+.
2045         Document IDF/IDL requirement.
2046         Document GNU as requirement.
2047         Document GNU ld bootstrap failure.
2048         Remove freeware.sgi.com reference.
2049
2050 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2051
2052         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2053         UNIX V4.0, V5.0 obsoletion, removal.
2054         Remove --with-gc=simple reference.
2055         Update VM requirements during bootstrap.
2056         Remove -oldas bootstrap description.
2057         Update binutils reference.
2058         Remove comparison failure note.
2059
2060 2010-03-31  Richard Guenther  <rguenther@suse.de>
2061             Zdenek Dvorak  <ook@ucw.cz>
2062             Sebastian Pop  <sebastian.pop@amd.com>
2063
2064         PR middle-end/43464
2065         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2066         with multiple arguments.
2067         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2068
2069 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2070
2071         * graphite-dependences.c (print_pddr): Call print_pdr with an
2072         extra argument.
2073         * graphite-poly.c (debug_pdr): Add an extra argument for the
2074         verbosity level.
2075         (print_pdr): Same.
2076         (print_pbb_domain): Same.
2077         (print_pbb): Same.
2078         (print_scop_context): Same.
2079         (print_scop): Same.
2080         (print_cloog): Same.
2081         (debug_pbb_domain): Same.
2082         (debug_pbb): Same.
2083         (print_pdrs): Same.
2084         (debug_pdrs): Same.
2085         (debug_scop_context): Same.
2086         (debug_scop): Same.
2087         (debug_cloog): Same.
2088         (print_scop_params): Same.
2089         (debug_scop_params): Same.
2090         (print_iteration_domain): Same.
2091         (print_iteration_domains): Same.
2092         (debug_iteration_domain): Same.
2093         (debug_iteration_domains): Same.
2094         (print_scattering_function): Same.
2095         (print_scattering_functions): Same.
2096         (debug_scattering_function): Same.
2097         (debug_scattering_functions): Same.
2098         * graphite-poly.h (debug_pdr): Update declaration.
2099         (print_pdr): Same.
2100         (print_pbb_domain): Same.
2101         (print_pbb): Same.
2102         (print_scop_context): Same.
2103         (print_scop): Same.
2104         (print_cloog): Same.
2105         (debug_pbb_domain): Same.
2106         (debug_pbb): Same.
2107         (print_pdrs): Same.
2108         (debug_pdrs): Same.
2109         (debug_scop_context): Same.
2110         (debug_scop): Same.
2111         (debug_cloog): Same.
2112         (print_scop_params): Same.
2113         (debug_scop_params): Same.
2114         (print_iteration_domain): Same.
2115         (print_iteration_domains): Same.
2116         (debug_iteration_domain): Same.
2117         (debug_iteration_domains): Same.
2118         (print_scattering_function): Same.
2119         (print_scattering_functions): Same.
2120         (debug_scattering_function): Same.
2121         (debug_scattering_functions): Same.
2122
2123 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2124
2125         * graphite-poly.c (print_scattering_function_1): New.
2126         (print_scattering_function): Call it.
2127         (print_scop_params): Remove spaces at the end of lines.
2128         (print_cloog): New.
2129         (debug_cloog): New.
2130         * graphite-poly.h (print_cloog): Declared.
2131         (debug_cloog): Declared.
2132
2133 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2136         in loop->header.
2137         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2138         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2139         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2140         to switch between adding the IV bump in loop->latch or in loop->header.
2141
2142 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2143
2144         * graphite-poly.c (print_scattering_function): Pretty print following
2145         the scoplib format.
2146         (print_pdr): Same.
2147         (print_pbb_domain): Same.
2148         (dump_gbb_cases): Same.
2149         (dump_gbb_conditions): Same.
2150         (print_pdrs): Same.
2151         (print_pbb): Same.
2152         (print_scop_params): Same.
2153         (print_scop_context): Same.
2154         (print_scop): Same.
2155         (print_pbb_body): New.
2156         (lst_indent_to): New.
2157         (print_lst): Start new lines with a #.
2158         * graphite-poly.h (pbb_bb): New.
2159         (pbb_index): Use pbb_bb.
2160         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2161         disjuncts.
2162         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2163
2164 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2165
2166         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2167         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2168         and 0 instead of 1 for dw_val_class_flag.
2169         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2170         dw_val_class_range_list, dw_val_class_loc_list,
2171         dw_val_class_lineptr and dw_val_class_macptr, use
2172         DW_FORM_flag_present for dw_val_class_flag and
2173         DW_FORM_exprloc for dw_val_class_loc.
2174         (output_die): For -gdwarf-4 print dw_val_class_loc
2175         size as uleb128 instead of 1 or 2 bytes and don't print
2176         anything for dw_val_class_flag.
2177
2178         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2179         instead of cselib_lookup following by tweaking locs->setting_insn.
2180
2181         PR bootstrap/43596
2182         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2183         even before returning from label, setjmp call or volatile asm
2184         handling.
2185
2186 2010-03-31  Richard Guenther  <rguenther@suse.de>
2187
2188         PR middle-end/43600
2189         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2190         temporary data on stack.
2191
2192 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2193
2194         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2195         (PUSHSECTION_ASM_OP): Remove.
2196         (POPSECTION_ASM_OP): Remove.
2197         (PUSHSECTION_FORMAT): Remove.
2198         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2199         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2200         * config/sol2.c (solaris_output_init_fini): Use it.
2201
2202 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2203
2204         PR 43574
2205         * opt-functions.awk (var_type_struct): Use signed char type
2206         for simple variables.
2207
2208 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2209
2210         * config/sol2.c: Include output.h.
2211         (solaris_assemble_visibility): New function.
2212         * config/t-sol2 (sol2.o): Add output.h dependency.
2213         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2214         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2215         Redefine.
2216
2217 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2218
2219         PR target/43580
2220         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2221         V2SImode or XFmode on PRE_DEC.
2222
2223         PR debug/43557
2224         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2225         BLKmode.
2226
2227 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2228
2229         PR 43562
2230         * reload.h (caller_save_initialized_p): Declare.
2231         * toplev.c (backend_init_target): Don't call
2232         init_caller_save but set caller_save_initialized_p to false.
2233         * caller-save.c (caller_save_initialized_p): Define.
2234         (init_caller_save): Check caller_save_initialized_p.
2235         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2236
2237 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2238
2239         PR target/39048
2240         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2241         and soft-fp/t-softfp to tmake_file.
2242         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2243         (LIBGCC2_TF_CEXT): Define.
2244         (TF_SIZE): Define.
2245
2246 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2247
2248         PR debug/42977
2249         * cselib.c (n_useless_values): Document handling of debug locs.
2250         (n_useless_debug_values, n_debug_values): New variables.
2251         (new_elt_loc_list): Don't add to debug values, keep count.
2252         (promote_debug_loc): New.
2253         (cselib_reset_table): Zero new variables.
2254         (entry_and_rtx_equal_p): Promote debug locs.
2255         (discard_useless_locs): Increment n_useless_debug_values for
2256         debug values.
2257         (remove_useless_values): Adjust n_useless_values and n_debug_values
2258         with n_useless_debug_values.
2259         (add_mem_for_addr): Promote debug locs.
2260         (cselib_lookup_mem): Likewise.
2261         (cselib_lookup_addr): Renamed to...
2262         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2263         (cselib_log_lookup): ... this.  Turn into...
2264         (cselib_lookup_addr): ... new wrapper.
2265         (cselib_lookup_from_insn): New.
2266         (cselib_invalidate_regno): Increment n_useless_debug_values for
2267         debug values.
2268         (cselib_invalidate_mem): Likewise.
2269         (cselib_process_insn): Take n_deleted and n_debug_values into
2270         account to guard remove_useless_value call.
2271         (cselib_finish): Zero n_useless_debug_values.
2272         * cselib.h (cselib_lookup_from_insn): Declare.
2273         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2274         (sched_analyze_2): Likewise.
2275
2276 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2277
2278         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2279         functions.
2280         (adjust_mems): Replace narrowing SUBREG of expression containing
2281         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2282         with operations in the narrower mode.
2283
2284         PR debug/43593
2285         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2286         regs_invalidated_by_call instead all call_used_reg_set registers.
2287
2288 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2289
2290         PR middle-end/43430
2291         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2292         pointer comparisons with types_compatible_p.
2293         * tree-vect-stmts.c (vectorizable_call): Same.
2294         (vectorizable_condition): Same.
2295
2296 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2297
2298         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2299         stack check if the mask would be zero.
2300
2301 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2302             Jack Howarth <howarth@bromo.med.uc.edu>
2303
2304         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2305         variables TLS.
2306
2307 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2308
2309         PR other/25232
2310         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2311         and __unordtf2.
2312         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2313         Include ___unordxf2 and ___unordtf2.
2314         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2315         GCC_4.4.0 here.
2316
2317 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2318
2319         * config/lm32/t-lm32: New file.
2320         * config.gcc: Use the above file when targetting lm32.
2321
2322 2010-03-28  Duncan Sands  <baldrick@free.fr>
2323
2324         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2325
2326 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2327
2328         PR middle-end/43431
2329         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2330         Improve vectorization cost model diagnostic.
2331
2332 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2333
2334         PR middle-end/43436
2335         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2336         compute_data_dependences_for_loop returns false, early exit
2337         and output an extra diagnostic for the failed data reference
2338         analysis.
2339
2340 2010-03-29  Richard Guenther  <rguenther@suse.de>
2341
2342         PR tree-optimization/43560
2343         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2344         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2345
2346 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2347
2348         PR 43564
2349         * toplev.c (process_options): Set optimization_default_node
2350         and optimization_current_node.
2351         * opts.c (decode_options): Don't set optimization_default_node
2352         and optimization_current_node.
2353
2354 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2355
2356         * config/rtems.h: Abandon -qrtems_debug.
2357
2358 2010-03-28  Jan Hubicka  <jh@suse.cz>
2359
2360         PR tree-optimization/43505
2361         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2362         map should not be copied.
2363
2364 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2365
2366         PR middle-end/41674
2367         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2368         cdtors, set DECL_PRESERVE_P.
2369         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2370         should be preseved.
2371
2372 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2373
2374         PR tree-optimization/43528
2375         * stor-layout.c (place_field): Check that constant fits into
2376         unsigned HWI when skipping calculation of MS bitfield layout.
2377
2378 2010-03-27  Jan Hubicka  <jh@suse.cz>
2379
2380         PR middle-end/43391
2381         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2382         notice_global_symbol work.
2383
2384 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2385
2386         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2387         instead of dwarf2out_decl.
2388         (struct var_loc_node): Remove section_label field.
2389         (dwarf2out_function_decl): New function.
2390         (dwarf2out_var_location): Don't set section_label field.
2391         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2392
2393 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2394
2395         PR tree-optimization/43544
2396         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2397         First argument for builtin vectorized function hook is now a
2398         tree to be able to distinguish between machine specific and
2399         standard builtins.
2400         * targhooks.c (default_builtin_vectorized_function): Ditto.
2401         * targhooks.h (default_builtin_vectorized_function): Ditto.
2402         * target.h (struct gcc_target): Ditto.
2403         * tree-vect-stmts.c (vectorizable_function): Ditto.
2404         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2405         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2406         Ditto.
2407
2408 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2409
2410         PR c/43381
2411         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2412         nested binding iff it is a FUNCTION_DECL.
2413         (store_parm_decls_newstyle): Pass nested=true to bind for
2414         FUNCTION_DECLs amongst parameters.
2415
2416 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2417
2418         * var-tracking.c (vt_expand_loc_callback): Don't run
2419         cselib_expand_value_rtx_cb in dummy mode if
2420         cselib_dummy_expand_value_rtx_cb returned false.
2421
2422         * var-tracking.c (emit_note_insn_var_location): For one part
2423         notes with offset 0, don't add EXPR_LIST around the location.
2424         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2425         add_location_or_const_value_attribute): Adjust for that change.
2426
2427         PR debug/43540
2428         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2429         into first operand and location into second.
2430         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2431         dw_cfi_oprnd_loc for DW_CFA_expression.
2432         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2433         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2434         assume first argument is regnum and second argument is location.
2435
2436 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2437
2438         PR target/42113
2439         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2440         of scratch register to DImode.  Split to DImode comparison operator.
2441         Use SImode subreg of scratch register in the multiplication.
2442         (*cmp_sadd_sidi): Ditto.
2443         (*cmp_ssub_si): Ditto.
2444         (*cmp_ssub_sidi): Ditto.
2445
2446 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2447
2448         PR target/43524
2449         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2450         Remove invalid assert and wrong comment.
2451
2452 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2453
2454         PR debug/43516
2455         * flags.h (final_insns_dump_p): New extern.
2456         * final.c (final_insns_dump_p): New variable.
2457         (rest_of_clean_state): Set it before -fdump-final-insns=
2458         dumping, clear afterwards.
2459         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2460         MEM_ALIAS_SET on MEMs.
2461
2462 2010-03-26  David S. Miller  <davem@davemloft.net>
2463
2464         * configure.ac: Fix sparc GOTDATA_OP bug check.
2465         * configure: Rebuild.
2466
2467 2010-03-26  Alan Modra  <amodra@gmail.com>
2468
2469         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2470
2471 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2472
2473         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2474         TLS_SECTION_ASM_FLAG.
2475
2476 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2477
2478         PR bootstrap/43511
2479         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2480         Clear first_function_block_is_cold.
2481
2482         PR c/43385
2483         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2484         argument if the argument is truth_value_p.
2485
2486 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2487
2488         * config/rs6000/constraints.md: Update copyright year for my changes.
2489
2490         PR target/43484
2491         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2492         used in reg+reg addressing, swap registers.
2493
2494 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2495
2496         PR debug/43293
2497         * target.h (struct gcc_target): Add code_end hook.
2498         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2499         if not yet defined.
2500         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2501         * toplev.c (compile_file): Call targetm.asm_out.code_end
2502         hook before unwind info/debug info output.
2503         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2504         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2505         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2506         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2507         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2508         * config/i386/i386.c (ix86_file_end): Renamed to...
2509         (ix86_code_end): ... this.  Make static.  Don't call
2510         file_end_indicate_exec_stack.  Emit unwind info using
2511         final_start_function/final_end_function.
2512         (darwin_x86_file_end): Remove.
2513         (TARGET_ASM_CODE_END): Define.
2514         * config/i386/i386.h (TARGET_ASM_FILE_END,
2515         NEED_INDICATE_EXEC_STACK): Don't define.
2516         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2517         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2518         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2519         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2520
2521         PR target/43498
2522         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2523         at the beginning and final_end_function at the end.
2524         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2525
2526 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2527
2528         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2529         and Sun as TLS syntax.
2530         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2531         * configure: Regenerate.
2532         * config.in: Regenerate.
2533         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2534         (default_elf_asm_named_section): Use it.
2535         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2536         (i386_output_dwarf_dtprel): Likewise.
2537         (output_addr_const_extra): Likewise.
2538         (output_pic_addr_const): Lowercase @GOTTPOFF.
2539         (output_addr_const_extra): Likewise.
2540         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2541         (output_addr_const_extra): Likewise.
2542         (output_pic_addr_const): Lowercase @INDNTPOFF.
2543         (output_addr_const_extra): Likewise.
2544         (output_pic_addr_const): Lowercase @NTPOFF.
2545         (output_addr_const_extra): Likewise.
2546         (output_pic_addr_const): Lowercase @TPOFF.
2547         (output_addr_const_extra): Likewise.
2548         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2549         (*tls_global_dynamic_64): Likewise.
2550         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2551         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2552
2553         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2554         (ASM_OUTPUT_TLS_COMMON): Use it.
2555         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2556
2557         PR target/38118
2558         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2559         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2560         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2561         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2562         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2563         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2564
2565 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2566
2567         * config/i386/i386.c (override_options): Don't accept
2568         -mtls-dialect=sun any longer.
2569         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2570         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2571         (*tls_local_dynamic_base_32_sun): Likewise.
2572         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2573
2574 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2575
2576         PR debug/43508
2577         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2578         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2579
2580         PR debug/43479
2581         * ira.c (adjust_cleared_regs): New function.
2582         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2583
2584         PR debug/19192
2585         PR debug/43479
2586         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2587         from gimple_block.
2588         * expr.c (expand_expr_real): Restore previous
2589         curr_insn_source_location and curr_insn_block after
2590         expand_expr_real_1 call.
2591         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2592         instead of expand_expr_real_1.
2593
2594 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2595
2596         PR rtl-optimization/43413
2597         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2598         hard regs too.
2599
2600 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2601
2602         PR target/43348
2603         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2604         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2605
2606 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2607
2608         * config/i386/i386.c (ix86_target_string): Add -mfma.
2609         Fix a typo in comment.
2610
2611 2010-03-22  Mike Stump  <mikestump@comcast.net>
2612
2613         PR target/23071
2614         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2615         Don't overly align based upon packed packed fields.
2616
2617 2010-03-22  Jason Merrill  <jason@redhat.com>
2618
2619         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2620         Use () rather than [], and move before the element type.
2621
2622 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2623
2624         * doc/configfiles.texi (Configuration Files): Removed
2625         fixinc/Makefile*, intl/Makefile.*.
2626         * doc/makefile.texi: Fixed markup. Abstract from version
2627         control system used.
2628         (Makefile): Removed obsolete gcc/java/parse.y example.
2629         * doc/sourcebuild.texi: Likewise.
2630         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2631         libgomp, libssp.  Removed fastjar.
2632         (Miscellaneous Docs): Clarify location.
2633         Added COPYING3, COPYING3.LIB.
2634         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2635
2636 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2637
2638         PR target/38085
2639         * config/i386/i386.c (x86_function_profiler)
2640         [!NO_PROFILE_COUNTERS]: Fix typo.
2641         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2642         instead of callq.
2643
2644 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2645             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2646
2647         * doc/sourcebuild.texi (Test Directives): Split into six
2648         subsections, with most of the current text in new subsections
2649         Directives, Selectors, and Final Actions.
2650         (Directives): Split list of test directives into multiple
2651         subsubsections.
2652         (Selectors): Describe use and syntax of selectors.
2653         (Effective-Target Keywords): Describe all existing keywords.
2654         (Add Options): Describe features for dg-add-options.
2655         (Require Support): Describe variants of dg-require-support.
2656         (Final Actions): Describe commands to use in dg-final.
2657
2658 2010-03-22  Michael Matz  <matz@suse.de>
2659
2660         PR middle-end/43475
2661         * recog.c (validate_replace_rtx_group): Replace also in
2662         REG_EQUAL and REG_EQUIV notes.
2663
2664 2010-03-22  Richard Guenther  <rguenther@suse.de>
2665
2666         PR tree-optimization/43390
2667         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2668         sure vector extracts are type correct.
2669
2670 2010-03-22  Richard Guenther  <rguenther@suse.de>
2671
2672         PR middle-end/40106
2673         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2674         x * sqrt (x) even when optimizing for size if the target
2675         has native support for sqrt.
2676
2677 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2678
2679         * varasm.c (make_decl_rtl_for_debug): Also clear
2680         flag_mudflap for the duration of make_decl_rtl call.
2681
2682         PR debug/43443
2683         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2684         locs from preserved VALUEs.
2685
2686 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2687
2688         PR middle-end/42718
2689         * pa.md (movmemsi): Set align to one if zero.
2690         (movmemdi): Likewise.
2691
2692 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2693
2694         PR target/42321
2695         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2696         with their corresponding prologue pushes.
2697
2698 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2699
2700         PR target/43156
2701         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2702         at the begining or end.
2703         (spu_expand_epilogue): Likewise.
2704
2705 2010-03-20  Richard Guenther  <rguenther@suse.de>
2706
2707         PR rtl-optimization/43438
2708         * combine.c (make_extraction): Properly zero-/sign-extend an
2709         extraction of the low part of a CONST_INT.  Also handle
2710         CONST_DOUBLE.
2711
2712 2010-03-19  Mike Stump  <mikestump@comcast.net>
2713
2714         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2715         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2716         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2717
2718 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2719
2720         PR c/43211
2721         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2722         an error.
2723
2724 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2725
2726         PR rtl-optimization/42258
2727         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2728         use that may match DEF.
2729
2730         PR target/40697
2731         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2732         the cost of loading the constant rather than assuming
2733         COSTS_N_INSNS (1).
2734         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2735         outer code is AND, do the same tests as the andsi3 expander and
2736         return COSTS_N_INSNS (1) if and is cheap.
2737
2738         * optabs.c (avoid_expensive_constant): Fix formatting.
2739
2740 2010-03-19  Michael Matz  <matz@suse.de>
2741
2742         PR c++/43116
2743         * attribs.c (decl_attributes): When rebuilding a function pointer
2744         type use the same qualifiers as the original pointer type.
2745
2746 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2747
2748         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2749         and is_gimple_ip_invariant_address.
2750
2751 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2752
2753         Revert
2754         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2755
2756         * config/arm/arm.c (arm_override_options): Turn off
2757         flag_dwarf2_cfi_asm for AAPCS variants.
2758
2759 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2760
2761         PR target/43399
2762         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2763         Use PRE_MODIFY instead of PRE_DEC.
2764         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2765         (vfp_emit_fstmd): Likewise.
2766
2767 2010-03-19  Michael Matz  <matz@suse.de>
2768
2769         PR target/43305
2770         * builtins.c (expand_builtin_interclass_mathfn,
2771         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2772         if that fails.
2773
2774 2010-03-19  Richard Guenther  <rguenther@suse.de>
2775
2776         PR tree-optimization/43415
2777         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2778         (phi_translate_1): ... this.
2779         (phi_translate): Move all caching here.  Cache all NARY
2780         and REFERENCE translations.
2781
2782 2010-03-19  David S. Miller  <davem@davemloft.net>
2783
2784         With help from Eric Botcazou.
2785         * config/sparc/sparc.c: Include dwarf2out.h.
2786         (emit_pic_helper): Delete.
2787         (pic_helper_symbol_name): Delete.
2788         (pic_helper_emitted_p): Delete.
2789         (pic_helper_needed): New.
2790         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2791         (get_pc_thunk_name): New.
2792         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2793         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2794         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2795         (sparc_expand_prologue): Update load_pic_register call.
2796         (sparc_output_mi_thunk): Likewise.
2797         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2798         thunk if possible.  Output CFI information as needed.
2799
2800 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2801             Jack Howarth <howarth@bromo.med.uc.edu>
2802
2803         PR target/36399
2804         * config/i386/i386.h: Fix ABI on darwin x86-32.
2805
2806 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2807
2808         * tree.h: Declare make_decl_rtl_for_debug.
2809         * varasm.c (make_decl_rtl_for_debug): New.
2810         * dwarf2out.c (rtl_for_decl_location): Call it.
2811         * cfgexpand.c (expand_debug_expr): Call it.
2812
2813 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2814
2815         PR bootstrap/43399
2816         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2817         mem_mode.
2818
2819         PR bootstrap/43403
2820         * var-tracking.c (vt_init_cfa_base): Do nothing if
2821         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2822
2823 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
2824
2825         PR debug/42873
2826         * var-tracking.c (canonicalize_vars_star): New.
2827         (dataflow_post_merge_adjust): Use it.
2828
2829 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2830
2831         PR debug/43058
2832         * var-tracking.c (non_suitable_const): New function.
2833         (add_uses): For DEBUG_INSNs with constants, don't record any
2834         value, instead just the constant value itself.
2835         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2836         is not VAR_LOC_UNKNOWN_P, set var to the constant.
2837         (emit_notes_in_bb): Likewise.
2838         (emit_note_insn_var_location): For onepart variables if
2839         cur_loc is a VOIDmode constant, use DECL_MODE.
2840
2841 2010-03-18  Martin Jambor  <mjambor@suse.cz>
2842
2843         PR middle-end/42450
2844         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2845         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2846         all non-clones.  Moved call redirection...
2847         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2848         (cgraph_materialize_all_clones): Dispose of all
2849         combined_args_to_skip bitmaps.
2850         (verify_cgraph_node): Do not check for edges pointing to wrong
2851         nodes in inline clones.
2852         * tree-inline.c (copy_bb): Call
2853         cgraph_redirect_edge_call_stmt_to_callee.
2854         * ipa.c (cgraph_remove_unreachable_nodes): Call
2855         cgraph_node_remove_callees even when there are used clones.
2856
2857 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2858
2859         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2860
2861 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2862
2863         PR target/43383
2864         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2865         for 32bit.
2866
2867 2010-03-18  Michael Matz  <matz@suse.de>
2868
2869         PR middle-end/43419
2870         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2871         into sqrt(x) if we need to preserve signed zeros.
2872
2873 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
2874             Eric Botcazou  <ebotcazou@adacore.com>
2875
2876         PR rtl-optimization/43360
2877         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2878         note if we don't know its invariant status.
2879
2880 2010-03-18  Michael Matz  <matz@suse.de>
2881
2882         PR tree-optimization/43402
2883         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2884         PHI chains of ssa names registered for update.
2885
2886 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
2887
2888         PR target/42427
2889         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2890         non-offsettable and pre_modify update addressing.
2891         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2892         and "2" alternatives "#".
2893         (*movdd_softfloat32): Make all alternatives "#";
2894         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2895         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2896         (*movdf_softfloat32): Make all alternatives "#";
2897         (movdi): Use the new DIFD mode iterator to create a common splitter
2898         for movdi, movdf and movdd patterns.
2899
2900 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
2901
2902         * common.opt (dumpdir): Remove redundant tab.
2903
2904 2010-03-17  Martin Jambor  <mjambor@suse.cz>
2905
2906         PR tree-optimization/43347
2907         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2908         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2909
2910 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2911
2912         PR rtl-optimization/42216
2913         * regrename.c (create_new_chain): New function, broken out from...
2914         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
2915         appending a use to an empty chain.
2916         (build_def_use): Remove previous changes that convert OP_INOUT to
2917         OP_OUT operands; instead detect the case where an OP_INOUT operand
2918         uses a previously untracked register and create an empty chain for it.
2919
2920 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2921
2922         * doc/extend.texi (Function Attributes): Rewrite unfinished
2923         sentence in ms_abi documentation.
2924
2925 2010-03-17  Alan Modra  <amodra@gmail.com>
2926
2927         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2928         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2929         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2930         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2931
2932 2010-03-16  Richard Henderson  <rth@redhat.com>
2933
2934         PR middle-end/43365
2935         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2936         (lower_try_finally): Save and restore eh_seq around the expansion
2937         of the try-finally.
2938
2939 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
2940
2941         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2942         statements before splitting block.
2943
2944 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2945
2946         * doc/sourcebuild.texi (Testsuites): Fix markup.
2947         Use pathnames relative to gcc/testsuite.
2948         (Test Directives): Move description of how timeout is determined.
2949         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2950         (C Tests): Correct gcc.misc-tests directory.
2951         Framework tests now live in gcc.test-framework.
2952
2953 2010-03-16  Richard Guenther  <rguenther@suse.de>
2954
2955         PR middle-end/43379
2956         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2957         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2958
2959 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
2960             Alexandre Oliva  <aoliva@redhat.com>
2961
2962         PR tree-optimization/42917
2963         * lambda-code.c (remove_iv): Skip debug statements.
2964         (lambda_loopnest_to_gcc_loopnest): Likewise.
2965         (not_interesting_stmt): Debug statements are not interesting.
2966
2967 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
2968
2969         PR debug/43051
2970         PR debug/43092
2971         * cselib.c (cselib_preserve_constants,
2972         cfa_base_preserved_val): New static variables.
2973         (preserve_only_constants): New function.
2974         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2975         clear its REG_VALUES.  If cselib_preserve_constants, don't
2976         empty the whole hash table, but preserve there VALUEs with constants,
2977         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2978         (cselib_preserve_cfa_base_value): New function.
2979         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2980         (cselib_init): Change argument to int bitfield.  Set
2981         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2982         is in it.
2983         (cselib_finish): Clear cselib_preserve_constants and
2984         cfa_base_preserved_val.
2985         * cselib.h (enum cselib_record_what): New enum.
2986         (cselib_init): Change argument to int.
2987         (cselib_preserve_cfa_base_value): New prototype.
2988         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2989         * dse.c (dse_step1): Likewise.
2990         * cfgcleanup.c (thread_jump): Likewise.
2991         * sched-deps.c (sched_analyze): Likewise.
2992         * gcse.c (local_cprop_pass): Likewise.
2993         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2994         If FN is non-NULL, call the callback always and whenever it returns
2995         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
2996         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2997         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2998         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2999         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3000         * var-tracking.c: Include recog.h.
3001         (bb_stack_adjust_offset): Remove.
3002         (vt_stack_adjustments): Don't call it, instead just gather the
3003         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3004         (adjust_stack_reference): Remove.
3005         (compute_cfa_pointer): New function.
3006         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3007         (struct adjust_mem_data): New type.
3008         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3009         functions.
3010         (get_address_mode): New function.
3011         (replace_expr_with_values): Use it.
3012         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3013         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3014         (adjust_sets): Remove.
3015         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3016         Use get_address_mode.
3017         (get_adjusted_src): Remove.
3018         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3019         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3020         (add_with_sets): Don't call adjust_sets.
3021         (fp_setter, vt_init_cfa_base): New functions.
3022         (vt_initialize): Change return type to bool.  Move most of pool etc.
3023         initialization to the beginning of the function from end.  Pass
3024         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3025         If !frame_pointer_needed, call vt_stack_adjustment before mos
3026         vector is filled, call vt_init_cfa_base if argp/framep has been
3027         eliminated to sp.  If frame_pointer_needed and argp/framep has
3028         been eliminated to hard frame pointer, set
3029         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3030         encountering fp setter in the prologue.  For MO_ADJUST, call
3031         log_op_type before pusing the op into mos vector, not afterwards.
3032         Call adjust_insn before cselib_process_insn/add_with_sets,
3033         call cancel_changes (0) afterwards.
3034         (variable_tracking_main_1): Adjust for vt_initialize calling
3035         vt_stack_adjustments and returning whether it succeeded or not.
3036
3037 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3038
3039         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3040         debug statements.
3041
3042 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3043
3044         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3045         has been set.
3046         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3047         drap_reg has not been set.
3048
3049 2010-03-15  Michael Matz  <matz@suse.de>
3050
3051         PR middle-end/43300
3052         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3053         use it to expand block copies.
3054         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3055         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3056         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3057
3058 2010-03-15  Richard Guenther  <rguenther@suse.de>
3059
3060         PR tree-optimization/43367
3061         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3062         elimination check.
3063
3064 2010-03-15  Richard Guenther  <rguenther@suse.de>
3065
3066         PR tree-optimization/43317
3067         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3068
3069 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3070
3071         PR tree-optimization/43141
3072         * tree-sra.c (create_abstract_origin): New function.
3073         (modify_function): Call create_abstract_origin.
3074
3075 2010-03-15  Chris Demetriou  <cgd@google.com>
3076
3077         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3078         wasn't copied.
3079
3080 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3081
3082         PR middle-end/43354
3083         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3084         call insert_out_of_ssa_copy for default definitions.
3085
3086 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3087
3088         * graphite-clast-to-gimple.c (my_long_long): Defined.
3089         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3090         * graphite-sese-to-poly.c (my_long_long): Defined.
3091         (scop_ivs_can_be_represented): Use it.
3092
3093 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3096         graphite-max-bbs-per-function, and loop-block-tile-size.
3097         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3098         with "maximum".
3099         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3100
3101 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3102
3103         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3104         forward declaration.
3105         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3106         (add_upper_bounds_from_estimated_nit): New.
3107         (build_loop_iteration_domains): Use it.
3108
3109 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3110
3111         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3112
3113 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3114
3115         PR middle-end/43306
3116         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3117         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3118
3119 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3120
3121         * graphite.c (graphite_initialize): To bound the number of bbs per
3122         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3123         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3124         * doc/invoke.texi: Document it.
3125
3126 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3127
3128         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3129         * graphite-sese-to-poly.h (build_poly_scop): Same.
3130
3131 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3132
3133         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3134         the number of parameters in the scop.  Use as an upper bound
3135         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3136         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3137         * doc/invoke.texi: Document it.
3138
3139 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3140
3141         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3142         * doc/c-tree.texi: Remove.
3143         * doc/generic.texi: Merge c-tree.texi here.
3144         * doc/gccint.texi (Trees): Remove menu entry.
3145         (c-tree.texi): Remove @include.
3146         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3147         * doc/languages.texi (Reading RTL): Ditto.
3148
3149 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3150
3151         PR target/42869
3152         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3153
3154 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3155
3156         PR middle-end/42431
3157         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3158         code added to work around reload clobbering CONST insns.
3159
3160 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3161
3162         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3163         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3164         (cselib_preserve_only_values): Remove retain argument, don't
3165         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3166         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3167         * var-tracking.c (micro_operation): Move insn field before union.
3168         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3169         (struct variable_tracking_info_def): Remove n_mos field, change
3170         mos into a vector of micro_operations.
3171         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3172         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3173         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3174         changing into a vector.
3175         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3176         come before all other uops generated by add_stores.
3177         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3178         argument removal.
3179         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3180         a vector.  Run just one pass over the bbs instead of separate counting
3181         and computation phase.
3182         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3183
3184         PR debug/43329
3185         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3186         into *nonlocalized_list vector.
3187         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3188         even if origin is non-NULL.
3189         (gen_variable_die): Likewise.
3190         (process_scope_var): Don't change origin.
3191         (gen_decl_die): Likewise.
3192         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3193         before adding new edges instead of after it, fix moving over
3194         debug stmts.
3195
3196 2010-03-11  David S. Miller  <davem@davemloft.net>
3197
3198         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3199         of four.
3200         * configure: Rebuild.
3201
3202 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3203
3204         PR tree-optimization/43257
3205         * tree.c (assign_assembler_name_if_neeeded): New function.
3206         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3207         above new function.
3208         * tree.h (assign_assembler_name_if_neeeded): Declare.
3209         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3210         the function if needed.
3211
3212 2010-03-11  Chris Demetriou  <cgd@google.com>
3213
3214         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3215         include/stdint-gcc.h, and include/stdint.h world-readable.
3216
3217 2010-03-11  Richard Guenther  <rguenther@suse.de>
3218
3219         PR tree-optimization/43255
3220         * tree-vrp.c (process_assert_insertions_for): Do not insert
3221         asserts for trivial conditions.
3222
3223 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3224
3225         PR tree-optimization/43280
3226         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3227         generation.  Move calculation of size out of the if branch.
3228         (find_bswap): Modify compare number generation.
3229
3230 2010-03-11  Richard Guenther  <rguenther@suse.de>
3231
3232         PR lto/43200
3233         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3234         (input_gimple_stmt): Fixup handled component types during
3235         operand read.  Also fix up decls in ADDR_EXPRs.
3236
3237 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3238
3239         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3240         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3241
3242 2010-03-10  Jan Hubicka  <jh@suse.cz>
3243
3244         PR c/43288
3245         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3246         * varasm.c (get_variable_section): Don't do that here...
3247         (make_decl_rtl): ... and here.
3248         (do_assemble_alias): Produce decl RTL.
3249         (assemble_alias): Likewise.
3250
3251 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3252
3253         PR debug/43290
3254         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3255         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3256         of fde->vdrap_reg.
3257         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3258         (based_loc_descr): Only express drap or vdrap regno based expressions
3259         using DW_OP_fbreg when not optimizing.
3260         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3261         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3262         REG_CFA_SET_VDRAP note.
3263
3264 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3265
3266         PR tree-optimization/43236
3267         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3268         error in calculation of base address in reverse iteration case.
3269         (generate_builtin): Take number of latch executions if the statement
3270         is in the latch.
3271
3272 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3273
3274         PR middle-end/42859
3275         * tree-eh.c: Include pointer-set.h.
3276         (lower_eh_dispatch): Filter out duplicate case labels and
3277         remove the unneeded edge when the label is unused.  Return
3278         true when some edges are removed.
3279         (execute_lower_eh_dispatch): When any lowering resulted in
3280         removing an edge, also delete unreachable blocks.
3281
3282 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3283
3284         PR bootstrap/43287
3285         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3286         UNSPEC_MACHOPIC_OFFSET.
3287
3288 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3289
3290         PR target/43294
3291         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3292         (m68k_delegitimize_address): New function.
3293
3294 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3295
3296         PR debug/43299
3297         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3298
3299         PR debug/43299
3300         * var-tracking.c (adjust_sets): New function.
3301         (count_with_sets, add_with_sets): Use it.
3302         (get_adjusted_src): New inline function.
3303         (add_stores): Use it.
3304
3305         PR debug/43304
3306         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3307         call cselib_dummy_expand_value_rtx_cb instead of
3308         cselib_expand_value_rtx_cb.
3309
3310         PR debug/43293
3311         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3312         * config/i386/i386.c: Include debug.h and dwarf2out.h.
3313         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3314         and .cfi_endproc around the pic thunks.
3315         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3316         all queued unwind info register saves are saved before the call.
3317         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3318         considered as sp-=4 for unwind info and the pop as sp+=4 which
3319         also clobbers dest, but doesn't actually restore it.
3320
3321         PR debug/43290
3322         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3323         RTX_FRAME_RELATED_P.
3324
3325 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3326
3327         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3328         whitespaces in output template.
3329
3330 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3331
3332         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3333         out array boundary.
3334
3335 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3336
3337         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3338         builtins.exp in a separate job.
3339
3340 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3341
3342         * graphite-sese-to-poly.c (add_param_constraints): Use
3343         lower_bound_in_type and upper_bound_in_type.
3344
3345 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3346
3347         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3348         instead of unsigned_type_node.
3349
3350 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3351             Reza Yazdani  <reza.yazdani@amd.com>
3352
3353         PR middle-end/43065
3354         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3355         on pointer type parameters.
3356
3357 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3358
3359         PR middle-end/42644
3360         PR middle-end/42130
3361         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3362         handle conversions from pointer to integers.
3363         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3364         induction variable, to be able to work with code generated by CLooG.
3365         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3366         (build_poly_scop): Bail out if we cannot codegen a loop.
3367
3368 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3369
3370         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3371         code generation with gloog_error.
3372
3373 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3374
3375         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3376         Call fold_convert on all the returned values.
3377         (expand_scalar_variables_expr): Pass to
3378         expand_scalar_variables_ssa_name the type of the resulting expression.
3379
3380 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3381
3382         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3383         ppl_min_for_le_pointset.
3384         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3385         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3386
3387 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3388
3389         * graphite-dependences.c (map_into_dep_poly): Removed.
3390         (dependence_polyhedron_1): Use combine_context_id_scat.
3391
3392 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3393
3394         * graphite-poly.h (struct poly_scattering): Add layout documentation.
3395         (struct poly_bb): Same.
3396         (combine_context_id_scat): New.
3397
3398 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3399
3400         PR middle-end/42326
3401         * sese.c (name_defined_in_loop_p): Return false for default
3402         definitions.
3403
3404 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3405
3406         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3407         and clean up the logic.
3408
3409 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3410
3411         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3412         early return.
3413
3414 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3415
3416         * var-tracking.c (remove_cselib_value_chains): Define only for
3417         ENABLE_CHECKING.
3418         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3419         delete_slot_part, emit_notes_for_differences_1): Don't call
3420         remove_cselib_value_chains here.
3421         (set_slot_part, emit_notes_for_differences_2): Don't call
3422         add_cselib_value_chains here.
3423         (preserved_values): New vector.
3424         (preserve_value): New function.
3425         (add_uses, add_stores, vt_add_function_parameters): Use it
3426         instead of cselib_preserve_value.
3427         (changed_values_stack): New vector.
3428         (check_changed_vars_0): New function.
3429         (check_changed_vars_1, check_changed_vars_2): Use it.
3430         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3431         changed_values_stack VALUEs.
3432         (vt_emit_notes): For all preserved_values call
3433         add_cselib_value_chains.  If ENABLE_CHECKING call
3434         remove_cselib_value_chains before verifying value_chains is empty.
3435         Initialize and free changed_values_stack.
3436         (vt_initialize): Initialize preserved_values.
3437         (vt_finalize): Free preserved_values.
3438
3439 2010-03-08  Richard Guenther  <rguenther@suse.de>
3440
3441         PR tree-optimization/43269
3442         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3443         region detection.
3444
3445 2010-03-08  Martin Jambor  <mjambor@suse.cz>
3446
3447         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3448         (ipa_is_param_called): Removed.
3449         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3450         (ipa_print_node_params): Do not