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1 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2
3         PR rtl-optimization/43520
4         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
5         ar.lc fixed and call-used.
6
7         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
8
9 2010-04-19  Jan Hubicka  <jh@suse.cz>
10
11         * opts.c (decode_options): Disable whpr incompatible passes.
12         * lto/lto.c (lto_1_to_1_map): Skip clones.
13         (read_cgraph_and_symbols): Do not mark everything as needed.
14         (do_whole_program_analysis): Do map only after optimizing;
15         set proper cgraph_state; use passmanager.
16
17 2010-04-19  DJ Delorie  <dj@redhat.com>
18
19         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
20         POINTER_PLUS_EXPR and fix them.
21
22 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
23
24         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
25         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
26         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
27         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
28         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
29         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
30         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
31         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
32         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
33         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
34         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
35
36 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
37
38         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
39         (check_cond_move_block): Likewise.
40         (cond_move_process_if_block): Likewise.
41         (noce_find_if_block): Improve formatting.
42         (find_if_header): Pass 0 to memset and tweak conditions.
43         (cond_exec_find_if_block): Fix long lines and tweak conditions.
44
45 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
46
47         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return
48         0 for -gdwarf-4.
49
50         PR middle-end/43337
51         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
52         with non-local decl doesn't need chain.
53
54 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
55
56         * ira-color.c (allocno_reload_assign): Avoid accumulating
57         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
58
59 2010-04-19  Martin Jambor  <mjambor@suse.cz>
60
61         * gimple.h (create_tmp_reg): Declare.
62         * gimplify.c (create_tmp_reg): New function.
63         (gimplify_return_expr): Use create_tmp_reg.
64         (gimplify_omp_atomic): Likewise.
65         (gimple_regimplify_operands): Likewise.
66         * tree-dfa.c (make_rename_temp): Likewise.
67         * tree-predcom.c (predcom_tmp_var): Likewise.
68         (reassociate_to_the_same_stmt): Likewise.
69         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
70         (get_replaced_param_substitute): Likewise.
71         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
72         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
73         * tree-ssa-pre.c (get_representative_for): Likewise.
74         (create_expression_by_pieces): Likewise.
75         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
76         (create_tailcall_accumulator): Likewise.
77
78 2010-04-19  Martin Jambor  <mjambor@suse.cz>
79
80         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
81         new_stmt.
82         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
83
84 2010-04-19  Richard Guenther  <rguenther@suse.de>
85
86         PR tree-optimization/43796
87         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
88         from SCEV in the lattice.
89         (vrp_visit_phi_node): Dump change.
90
91 2010-04-19  Richard Guenther  <rguenther@suse.de>
92
93         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
94         * configure: Re-generated.
95
96 2010-04-19  Richard Guenther  <rguenther@suse.de>
97
98         PR tree-optimization/43783
99         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
100         constant ARRAY_REF operands two and three if possible.
101
102 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
103
104         PR target/43766
105         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
106
107 2010-04-19  Jie Zhang  <jie@codesourcery.com>
108
109         PR target/43662
110         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
111
112 2010-04-19 Ira Rosen <irar@il.ibm.com>
113
114         PR tree-optimization/37027
115         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions 
116         and macro to access it.
117         (vectorizable_reduction): Add argument.
118         (vect_get_slp_defs): Likewise.
119         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
120         statements for possible use in SLP.
121         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
122         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
123         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
124         add new argument.
125         (vectorizable_reduction): Likewise.
126         * tree-vect-stmts.c (vect_get_vec_defs): Update call to 
127         vect_get_slp_defs.
128         (vectorizable_type_demotion, vectorizable_type_promotion,
129         vectorizable_store): Likewise.
130         (vect_analyze_stmt): Update call to vectorizable_reduction.
131         (vect_transform_stmt): Likewise.
132         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
133         (vect_build_slp_tree): Fix indentation. Check that there are no loads
134         from different interleaving chains in same node.
135         (vect_slp_rearrange_stmts): New function.
136         (vect_supported_load_permutation_p): Allow load permutations for 
137         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
138         inside SLP nodes if necessary.
139         (vect_analyze_slp_instance): Handle reductions.
140         (vect_analyze_slp): Try to build SLP instances originating from groups
141         of reductions.
142         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
143         (vect_get_constant_vectors): Create initial vectors for reductions
144         according to reduction code. Add new argument.
145         (vect_get_slp_defs): Add new argument, pass it to 
146         vect_get_constant_vectors.
147         (vect_schedule_slp_instance): Remove SLP tree root statements.
148
149 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
150
151         * tree.h (ENUM_IS_SCOPED): Define.
152         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
153         for ENUM_IS_SCOPED enums.
154
155 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
156
157         * fold-const.c (fold_comparison): Use ssizetype.
158         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
159         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
160         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
161         * tree-object-size.c (compute_object_sizes): Use size_type_node.
162
163         * tree.h (initialize_sizetypes): Remove parameter.
164         (build_common_tree_nodes): Remove second parameter.
165         * stor-layout.c (initialize_sizetypes): Remove parameter.
166         Always create an unsigned type.
167         (set_sizetype): Assert that the passed type is unsigned and simplify.
168         * tree.c (build_common_tree_nodes): Remove second parameter.
169         Adjust call to initialize_sizetypes.
170         * c-decl.c (c_init_decl_processing): Remove second argument in call to
171         build_common_tree_nodes.
172
173 2010-04-18  Matthias Klose  <doko@ubuntu.com>
174
175         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
176
177 2010-04-18 Ira Rosen <irar@il.ibm.com> 
178
179         PR tree-optimization/43771
180         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
181         load permutation doesn't have gaps.
182
183 2010-04-18  Jan Hubicka  <jh@suse.cz>
184
185         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
186         (sse_prologue_save_insn expander): Use new pattern.
187         (sse_prologue_save_insn1): New pattern and splitter.
188         (sse_prologue_save_insn): Update to deal also with 64bit aligned
189         blocks.
190         * i386.c (setup_incoming_varargs_64): Do not compute jump
191         destination here.
192         (ix86_gimplify_va_arg): Update alignment needed.
193         (ix86_local_alignment): Do not align all local arrays to 128bit.
194
195 2010-04-17  Jan Hubicka  <jh@suse.cz>
196
197         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
198
199 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
200
201         * arm.md (negdi2): Remove redundant code to force values into a
202         register.
203
204 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
205
206         * arm/bpabi.S: Add EABI alignment attributes to objects.
207         * arm/bpabi-v6m.S: Likewise.
208         * arm/crti.asm: Likewise.
209         * arm/crtn.asm: Likewise.
210         * arm/lib1funcs.asm: Likewise.
211         * arm/libunwind.S: Likewise.
212
213 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
214
215         * arm-protos.h (tune_params): New structure.
216         * arm.c (current_tune): New variable.
217         (arm_constant_limit): Delete.
218         (struct processors): Add pointer to the tune parameters.
219         (arm_slowmul_tune): New tuning option.
220         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
221         (all_cores): Adjust to pick up the tuning model.
222         (arm_constant_limit): New function.
223         (arm_override_options): Select the appropriate tuning model.  Delete
224         initialization of arm_const_limit.
225         (arm_split_constant): Use the new constant-limit model.
226         (arm_rtx_costs): Pick up the current tuning model.
227         * arm.md (is_strongarm, is_xscale): Delete.
228         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
229         for Xscale variant architectures.
230         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
231
232 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
233
234         * config/arm/arm.c (arm_gen_constant): Remove unused variable
235         can_shift.
236         (arm_rtx_costs_1): Remove unused variable extra_cost.
237         (arm_unwind_emit_set): Use variable offset.
238         (thumb1_output_casesi): Remove unused variable flags.
239
240 2010-04-16  Jeff Law  <law@redhat.com>
241
242         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
243         needing assignment rather than doing a two-phase assignment.  Remove
244         unused variable 'm'.
245
246 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
247
248         PR bootstrap/43767
249         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
250
251 2010-04-16  Doug Kwan  <dougkwan@google.com>
252
253         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
254         (next_operand_entry_id): New static variable.
255         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
256         (add_to_ops_vec): Assigned unique ID to operand entry.
257         (struct oecount_s): New field ID.
258         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
259         (undistribute_ops_list): Assign unique IDs to oecounts.
260         (init_reassoc): reset next_operand_entry_id.
261
262 2010-04-16  Doug Kwan  <dougkwan@google.com>
263
264         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
265         missing left parenthesis.
266         
267 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
268
269         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
270         *btdi_rex64 using SWI48 mode iterator.
271         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
272         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
273         *jcc_btdi_mask_rex64.
274
275 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
276
277         * double-int.h (tree_to_double_int): Convert to macro.
278         * double-int.c (tree_to_double_int): Remove.
279
280 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
281
282         PR debug/43762
283         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
284         with want_address 2 and in case a single element list might be
285         possible, call it again with want_address 0.
286
287 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
288
289         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
290         case 'W' print operands for HI mode.
291         * config/h8300/h8300.h (Y0, Y2) : New constraints.
292         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
293         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
294         * config/h8300/predicate.md (bit_register_indirect_operand): New.
295
296         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
297
298         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx, 
299         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
300         #xx:3 and #xx:4 mode.
301
302         * config/h8300/h8300.md (inverted load with HImode dest): Add
303         support for H8300SX.
304
305         * config/h8300/predicate.md (bit_operand): Allow immediate values that
306         satisfy 'U' constraint.
307
308 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
309
310         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
311         flavor.
312         * configure: Regenerate.
313         * config.in: Regenerate.
314         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
315         works.
316
317 2010-04-16  Richard Guenther  <rguenther@suse.de>
318
319         * tree.h (struct tree_decl_minimal): Move pt_uid ...
320         (struct tree_decl_common): ... here.
321         (DECL_PT_UID): Adjust.
322         (SET_DECL_PT_UID): Likewise.
323         (DECL_PT_UID_SET_P): Likewise.
324
325 2010-04-16  Richard Guenther  <rguenther@suse.de>
326
327         PR tree-optimization/43572
328         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
329         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
330         * tree-flow.h (is_call_clobbered): Remove.
331         * tree-flow-inline.h (is_call_clobbered): Likewise.
332         * tree-dfa.c (dump_variable): Do not dump call clobber state.
333         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
334         (execute_return_slot_opt): Adjust.
335         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
336         check for call clobbered vars here.
337         (find_tail_calls): Move tailcall verification to the
338         proper place.
339
340 2010-04-16  Diego Novillo  <dnovillo@google.com>
341
342         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
343         handled.
344
345 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
346
347         PR target/40603
348         * config/arm/arm.md (cbranchqi4): New pattern.
349         * config/arm/predicates.md (const0_operand,
350         cbranchqi4_comparison_operator): New predicates.
351
352 2010-04-16  Richard Guenther  <rguenther@suse.de>
353
354         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
355         (dump_gimple_stmt): Likewise.
356
357 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
358
359         * recog.h (struct recog_data): New field is_operator.
360         (struct insn_operand_data): New field is_operator.
361         * recog.c (extract_insn): Set recog_data.is_operator.
362         * genoutput.c (output_operand_data): Emit code to set the
363         is_operator field.
364         * reload.c (find_reloads): Use it rather than testing for an
365         empty constraint string.
366
367         PR target/41514
368         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
369         If the previous insn is a cbranchsi4_insn with the same arguments,
370         omit the compare instruction.
371
372         * config/arm/arm.md (addsi3_cbranch): If destination is a high
373         register, inputs must be low registers and we need a low register
374         scratch.  Handle alternative 2 like alternative 3.
375
376 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
377
378         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
379         don't call get_addr on both.  If one expression is a VALUE and
380         the other a REG, check VALUE's locs if the REG isn't among them.
381
382 2010-04-16  Christian Bruel  <christian.bruel@st.com>
383
384         * config/sh/sh.h (sh_frame_pointer_required): New function.
385         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
386         (flag_omit_frame_pointer) Set.
387         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
388         (rounded_frame_size): Adjust size with outgoing_args_size.
389         (sh_set_return_address): Must return from stack pointer.
390         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
391         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
392         (ACCUMULATE_OUTGOING_ARGS): Define.
393         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
394         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
395
396 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
397
398         PR target/43471
399         * config/sh/sh.c (sh_legitimize_reload_address): Use
400         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
401         Remove a unneeded check for offset_base.
402
403 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
404
405         * configure: Regenerated.
406
407 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
408
409         * config/s390/s390.c (s390_call_save_register_used): Switch back
410         to HARD_REGNO_NREGS.
411
412 2010-04-15  Richard Guenther  <rguenther@suse.de>
413
414         * alias.c (alias_set_subset_of): Handle alias-set zero
415         child properly.
416
417 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
418             Julian Brown  <julian@codesourcery.com>
419
420         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
421         alternatives according to use of high and low regs.
422         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
423         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
424         optimizing for size on Thumb-2.
425
426 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
427
428         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
429
430 2010-04-15  Richard Guenther  <rguenther@suse.de>
431
432         * tree-ssa-structalias.c (struct variable_info): Add
433         is_fn_info flag.
434         (new_var_info): Initialize it.
435         (dump_constraints): Support printing last added constraints.
436         (debug_constraints): Adjust.
437         (dump_constraint_graph): Likewise.
438         (make_heapvar_for): Check for NULL cfun.
439         (get_function_part_constraint): New function.
440         (get_fi_for_callee): Likewise.
441         (find_func_aliases): Properly implement IPA PTA constraints.
442         (process_ipa_clobber): New function.
443         (find_func_clobbers): Likewise.
444         (insert_into_field_list_sorted): Remove.
445         (create_function_info_for): Properly allocate vars for IPA mode.
446         Do not use insert_into_field_list_sorted.
447         (create_variable_info_for): Properly generate constraints for
448         global vars in IPA mode.
449         (dump_solution_for_var): Always dump the solution.
450         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
451         (find_what_var_points_to): Adjust.
452         (pt_solution_set): Change.
453         (pt_solution_ior_into): New function.
454         (pt_solution_empty_p): Export.
455         (pt_solution_includes_global): Adjust.
456         (pt_solution_includes_1): Likewise.
457         (pt_solutions_intersect_1): Likewise.
458         (dump_sa_points_to_info): Check some invariants.
459         (solve_constraints): Move constraint dumping ...
460         (compute_points_to_sets): ... here.
461         (ipa_pta_execute): ... and here.
462         (compute_may_aliases): Do not re-compute points-to info
463         locally if IPA info is available.
464         (ipa_escaped_pt): New global var.
465         (ipa_pta_execute): Properly implement IPA PTA.
466         * tree-into-ssa.c (dump_decl_set): Support dumping
467         decls not in referenced-vars.
468         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
469         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
470         (dump_points_to_solution): Likewise.
471         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
472         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
473         (remap_gimple_stmt): Reset call clobber/use information if
474         necessary.
475         (copy_decl_to_var): Copy DECL_PT_UID.
476         (copy_result_decl_to_var): Likewise.
477         * tree.c (make_node_stat): Initialize DECL_PT_UID.
478         (copy_node_stat): Copy it.
479         * tree.h (DECL_PT_UID): New macro.
480         (SET_DECL_PT_UID): Likewise.
481         (DECL_PT_UID_SET_P): Likewise.
482         (struct tree_decl_minimal): Add pt_uid member.
483         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
484         (pt_solution_empty_p): Declare.
485         (pt_solution_set): Adjust.
486         (ipa_escaped_pt): Declare.
487         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
488         * gimple-pretty-print.c (pp_points_to_solution): New function.
489         (dump_gimple_call): Dump call clobber/use information.
490         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
491         * tree-pass.h (TDF_ALIAS): New dump option.
492         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
493         * doc/invoke.texi (-fipa-pta): Update documentation.
494
495 2010-04-15  Richard Guenther  <rguenther@suse.de>
496
497         * Makefile.in (OBJS-common): Add gimple-fold.o.
498         (gimple-fold.o): New rule.
499         * tree.h (maybe_fold_offset_to_reference,
500         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
501         prototypes ...
502         * gimple.h: ... here.
503         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
504         may_propagate_address_into_dereference): Move prototypes ...
505         * gimple.h: ... here.
506         * tree-ssa-ccp.c (get_symbol_constant_value,
507         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
508         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
509         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
510         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
511         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
512         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
513         gimplify_and_update_call_from_tree): Move ...
514         * gimple-fold.c: ... here.  New file.
515         (ccp_fold_builtin): Rename to ...
516         (gimple_fold_builtin): ... this.
517         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
518
519 2010-04-15  Richard Guenther  <rguenther@suse.de>
520
521         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
522         fit_double_type, force_fit_type_double, add_double_with_sign,
523         neg_double, mul_double_with_sign, lshift_double, rshift_double,
524         lrotate_double, rrotate_double, div_and_round_double): Move ...
525         * double-int.c: ... here.
526         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
527         add_double, neg_double, mul_double_with_sign, mul_double,
528         lshift_double, rshift_double, lrotate_double, rrotate_double,
529         div_and_round_double): Move prototypes ...
530         * double-int.h: ... here.
531
532 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
533
534         PR target/43742
535         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
536         matching constraints to ensure inputs match the output.
537
538 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
539
540         PR target/43742
541         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
542         in an input-only operand.       
543
544 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
545
546         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
547         (double_int_not, double_int_lshift, double_int_rshift): Declare.
548         (double_int_negative_p): Convert to static inline function.
549         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
550         (double_int_negative_p): Remove.
551         * tree.h (lshift_double, rshift_double): 
552         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
553         * fold-const.c (fold_convert_const_int_from_real,
554         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
555         (lshift_double): Change type of arith argument to bool.
556         (rshift_double): Change type of arith argument to bool. Correct
557         comment.
558         * expmed.c (mask_rtx, lshift_value): (Ditto.).
559
560 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
561         
562         PR target/21803
563         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
564         at the start and end of the then/else blocks, and omit them from the
565         conversion.
566         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
567         argument; all callers changed.  Pass zero to old_insns_match_p instead.
568         (flow_find_head_matching_sequence): New function.
569         (old_insns_match_p): Check REG_EH_REGION notes for calls.
570         * basic-block.h (flow_find_cross_jump,
571         flow_find_head_matching_sequence): Declare functions.
572
573 2010-04-14  Jason Merrill  <jason@redhat.com>
574
575         PR c++/36625
576         * c-common.c (attribute_takes_identifier_p): New fn.
577         * c-common.h: Declare it.
578
579 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
580
581         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
582         splitter condition.
583         (*udivmod<mode>4): Ditto.
584
585 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
586
587         * config/i386/i386.md (maxmin_int): Rename code attribute from
588         maxminiprefix and update all users.
589         (maxmin_float): Ditto from maxminfprefix.
590         (logic): Ditto from logicprefix.
591         (absneg_mnemonic): Ditto from absnegprefix.
592         * config/i386/mmx.md: Update all users of maxminiprefix,
593         maxminfprefix and logicprefix for rename.
594         * config/i386/sse.md: Ditto.
595         * config/i386/sync.md (sync_<code><mode>): Update for
596         logicprefix rename.
597
598 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
599
600         PR 42966
601         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
602         warnings converted to errors.
603
604 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
605
606         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
607         used insn_type variable.
608         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
609         to avoid set-but-not-used warning.
610
611 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
612
613         * df-core.c (df_ref_debug): Change format string placeholder
614         from 0x%x to %#x.
615         * dwarf2asm.c (dw2_asm_output_data_raw,
616         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
617         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
618         * dwarf2out.c (output_cfi, output_cfi_directive,
619         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
620         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
621         Ditto.
622         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
623         * print-rtl.c (print_rtx): Ditto.
624
625 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
626
627         PR middle-end/42694
628         * builtins.c (expand_builtin_pow_root): New function to expand pow
629         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
630         series of sqrt and cbrt calls under -ffast-math.
631         (expand_builtin_pow): Call it.
632
633 2010-04-14  Michael Matz  <matz@suse.de>
634
635         PR tree-optimization/42963
636         * tree-cfg.c (touched_switch_bbs): New static variable.
637         (group_case_labels_stmt): New function broken out from ...
638         (group_case_labels): ... here, use the above.
639         (start_recording_case_labels): Allocate touched_switch_bbs.
640         (end_recording_case_labels): Deallocate it, call
641         group_case_labels_stmt.
642         (gimple_redirect_edge_and_branch): Remember index of affected BB.
643
644 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
645
646         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
647         from insn template.
648
649 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
650
651         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
652
653 2010-04-13  Jan Hubicka  <jh@suse.cz>
654
655         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
656         of optimized out static functions.
657         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
658         cost computation.  Also sanity check for overflows.
659         (update_caller_keys): Update cgraph_edge_badness call; properly
660         update fibheap and sanity check that it is up to date.
661         (add_new_edges_to_heap): Update cgraph_edge_badness.
662         (cgraph_decide_inlining_of_small_function): Likewise;
663         add sanity checking that badness in heap is up to date;
664         improve dumping of reason; Update badness of calls to the
665         offline copy of function currently inlined; dump badness
666         of functions not inlined because of unit growth limits.
667
668 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
669
670         PR middle-end/32628
671         * c-common.c (pointer_int_sum): Disregard overflow that occured only
672         because of sign-extension change when converting to sizetype here...
673         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
674
675         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
676         the folding to constants.  Remove redundant final conversion.
677         (fold_binary) <associate>: Do not associate if the re-association of
678         constants alone overflows.
679         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
680         to the end of the list.
681         (multiple_of_p) <COND_EXPR>: New case.
682
683 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
684
685         * opt-functions.awk (opt_sanitized_name): New.
686         (opt_enum): New.
687         * optc-gen.awk: Use it
688         * opth-gen.awk: Use it.
689
690 2010-04-13  Martin Jambor  <mjambor@suse.cz>
691
692         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
693         (sra_modify_assign): Delete stmts loading dead data even if racc has no
694         children.  Call replace_uses_with_default_def_ssa_name to handle
695         SSA_NAES on lhs.
696
697 2010-04-13  Michael Matz  <matz@suse.de>
698
699         PR middle-end/43730
700         * builtins.c (expand_builtin_interclass_mathfn): Also create
701         a register if the predicate doesn't match.
702
703 2010-04-13  Diego Novillo  <dnovillo@google.com>
704
705         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
706         * c-pch.c: Include timevar.h.
707         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
708         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
709         * ggc-common.c: Include timevar.h.
710         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
711         * timevar.def (TV_PCH_SAVE): Define.
712         (TV_PCH_CPP_SAVE): Define.
713         (TV_PCH_PTR_REALLOC): Define.
714         (TV_PCH_PTR_SORT): Define.
715         (TV_PCH_RESTORE): Define.
716         (TV_PCH_CPP_RESTORE): Define.
717
718 2010-04-13  Michael Matz  <matz@suse.de>
719
720         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
721         into MINUS_EXPRs.
722         (can_reassociate_p): New function.
723         (break_up_subtract_bb, reassociate_bb): Use it.
724
725 2010-04-13  Richard Guenther  <rguenther@suse.de>
726
727         PR bootstrap/43737
728         * builtins.c (c_readstr): Fix assert.
729
730 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
731
732         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
733         when generating cltd insn.
734
735         (*ashl<mode>3_1): Remove special handling for register operand 2.
736         (*ashlsi3_1_zext): Ditto.
737         (*ashlhi3_1): Ditto.
738         (*ashlhi3_1_lea): Ditto.
739         (*ashlqi3_1): Ditto.
740         (*ashlqi3_1_lea): Ditto.
741         (*<shiftrt_insn><mode>3_1): Ditto.
742         (*<shiftrt_insn>si3_1_zext): Ditto.
743         (*<shiftrt_insn>qi3_1_slp): Ditto.
744         (*<rotate_insn><mode>3_1): Ditto.
745         (*<rotate_insn>si3_1_zext): Ditto.
746         (*<rotate_insn>qi3_1_slp): Ditto.
747
748 2010-04-13  Richard Guenther  <rguenther@suse.de>
749
750         * tree-ssa-structalias.c (callused_id): Remove.
751         (call_stmt_vars): New.
752         (get_call_vi): Likewise.
753         (lookup_call_use_vi): Likewise.
754         (lookup_call_clobber_vi): Likewise.
755         (get_call_use_vi): Likewise.
756         (get_call_clobber_vi): Likewise.
757         (make_transitive_closure_constraints): Likewise.
758         (handle_const_call): Adjust to do per-call call-used handling.
759         (handle_pure_call): Likewise.
760         (find_what_var_points_to): Remove general callused handling.
761         (init_base_vars): Likewise.
762         (init_alias_vars): Initialize call_stmt_vars.
763         (compute_points_to_sets): Process call-used and call-clobbered
764         vars for call statements.
765         (delete_points_to_sets): Free call_stmt_vars.
766
767 2010-04-13  Richard Guenther  <rguenther@suse.de>
768
769         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
770         Only add RW dependence for dependence distance zero.
771         Adjust maximal vectorization factor according to dependences.
772         Move alignment handling ...
773         (vect_find_same_alignment_drs): ... here.  New function.
774         (vect_analyze_data_ref_dependences): Adjust.
775         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
776         (vect_analyze_data_refs): Adjust minimal vectorization factor
777         according to data references.
778         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
779         dependences before determining the vectorization factor.
780         Analyze alignment after determining the vectorization factor.
781         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
782         dependences before alignment.
783         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
784         Adjust prototype.
785         (vect_analyze_data_refs): Likewise.
786         (MAX_VECTORIZATION_FACTOR): New define.
787
788 2010-04-13  Duncan Sands  <baldrick@free.fr>
789
790         * except.h (lang_eh_type_covers): Remove.
791         * except.c (lang_eh_type_covers): Likewise.
792
793 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
794             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
795
796         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
797         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
798         UNITS_PER_LONG where it is ABI relevant.
799         (s390_return_addr_rtx): Likewise.
800         (s390_back_chain_rtx): Likewise.
801         (s390_frame_area): Likewise.
802         (s390_frame_info): Likewise.
803         (s390_initial_elimination_offset): Likewise.
804         (save_gprs): Likewise.
805         (s390_emit_prologue): Likewise.
806         (s390_emit_epilogue): Likewise.
807         (s390_function_arg_advance): Likewise.
808         (s390_function_arg): Likewise.
809         (s390_va_start): Likewise.
810         (s390_gimplify_va_arg): Likewise.
811         (s390_function_profiler): Likewise.
812         (s390_optimize_prologue): Likewise.
813         (s390_rtx_costs): Likewise.
814         (s390_secondary_reload): Likewise.
815         (s390_promote_function_mode): Likewise.
816         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
817         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
818         registers available.
819         (s390_unwind_word_mode): New function.
820         (s390_function_value): Split 64 bit values into register pair if
821         used as return value.
822         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
823         function call parameters.  Handle parallels.
824         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
825         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
826         (DWARF_CIE_DATA_ALIGNMENT): New macro.
827         (s390_expand_setmem): Remove unused variable src_addr.
828         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
829         deal with 64 bit registers.
830         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
831         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
832         (UNITS_PER_LONG): New macro.
833         * libjava/include/s390-signal.h: Define extended ucontext
834         structure containing the upper halfs of the 64 bit registers.
835
836 2010-04-13  Simon Baldwin  <simonb@google.com>
837
838         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
839
840 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
841
842         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
843         rvalue on the RHS if the LHS is of a non-renamable type.
844         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
845
846 2010-04-13  Matthias Klose  <doko@ubuntu.com>
847
848         * gcc.c (cc1_options): Handle -iplugindir before processing
849         the cc1 spec. Only add -iplugindir once.
850         (cpp_unique_options): Add -iplugindir option if -fplugin* options
851         found.
852         * common.opt (iplugindir): Remove `Separate' property, initialize.
853         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
854         option.
855         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
856         (distclean): Remove plugin dir.
857         * doc/invoke.texi: Document -iplugindir.
858
859 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
860
861         * doc/plugins.texi (Loading Plugins): Document short
862         -fplugin=foo option.
863         (Plugin API): Mention default_plugin_dir_name function.
864
865         * gcc.c (find_file_spec_function): Add new declaration.
866         (static_spec_func): Use it for "find-file".
867         (find_file_spec_function): Add new function.
868         (cc1_options): Add -iplugindir option if -fplugin* options found.
869
870         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
871
872         * plugin.c (add_new_plugin): Updated comment, and handle short
873         plugin name.
874         (default_plugin_dir_name): Added new function.
875
876         * common.opt (iplugindir): New option to set the plugin directory.
877
878 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
879
880         * config/i386/i386.md (any_rotate): New code iterator.
881         (rotate_insn): New code attribute.
882         (rotate): Ditto.
883         (SWIM124): New mode iterator.
884         (<rotate_insn>ti3): New expander.
885         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
886         any_rotate code iterator.
887         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
888         using any_rotate code iterator and SWIM124 mode iterator.
889         (ix86_rotlti3): New insn_and_split pattern.
890         (ix86_rotrti3): Ditto.
891         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
892         ix86_rotl{di,ti}3 patterns.
893         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
894         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
895         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
896         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
897         code iterator and SWI mode iterator.
898         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
899         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
900         code iterator.
901         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
902         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
903         (bswap rotatert splitter): Add splitter.
904         (bswap splitter): Macroize splitter using any_rotate code iterator.
905         Add insn predicate to split only for TARGET_USE_XCHGB or when
906         optimizing function for size.
907
908 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
909
910         * config/pa/pa.c (emit_move_sequence): Remove use of
911         deleted variable flag_argument_noalias.
912
913 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
914
915         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
916         configurations.
917         Add to unsupported targets list.
918         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
919         sparc*-sun-solaris2.[567]* from target lists.
920         * configure: Regenerate.
921         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
922         removal.
923         Remove Solaris 7 patch references.
924         (Specific, sparc-sun-solaris2.7): Removed.
925         (sparc-sun-solaris2*): Update Solaris 7 example.
926         (sparc64-*-solaris2*): Likewise.
927
928 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
929
930         * config.build (alpha*-dec-osf4*): Remove.
931         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
932         of obsolete configurations.
933         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
934         support.
935         * config/alpha/t-osf4: Renamed to ...
936         * config/alpha/t-osf5: ... this.
937         * config/alpha/osf.h: Renamed to ...
938         * config/alpha/osf5.h: ... this.
939         Merged old osf5.h contents.
940         Update comments.
941         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
942         (EXTRA_SPECS): Removed.
943         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
944         reflect removal of Tru64 UNIX V4.0/V5.0 support.
945         Document that.
946
947 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
948
949         * doc/contrib.texi (Contributors, Rainer Orth): Update.
950
951 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
952
953         PR/43702
954         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
955         __thiscall convention.
956
957 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
958
959         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
960         orig_base.
961         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
962
963 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
964
965         * function.c (assign_parms_initialize_all): Add unused attribute
966         to fntype.
967
968 2010-04-12  Richard Guenther  <rguenther@suse.de>
969
970         * gsstruct.def (GSS_CALL): New.
971         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
972         * gimple.h: Include tree-ssa-alias.h.
973         (struct gimple_statement_call): New.
974         (union gimple_statement_struct_d): Add gimple_call member.
975         (gimple_call_reset_alias_info): Declare.
976         (gimple_call_use_set): New function.
977         (gimple_call_clobber_set): Likewise.
978         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
979         * gimple.c (gimple_call_reset_alias_info): New function.
980         (gimple_build_call_1): Call it.
981         * lto-streamer-in.c (input_gimple_stmt): Likewise.
982         * tree-inline.c (remap_gimple_stmt): Likewise.
983         (expand_call_inline): Remove callused handling.
984         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
985         * tree-dfa.c (dump_variable): Likewise.
986         * tree-parloops.c (parallelize_loops): Likewise.
987         * tree-ssa.c (init_tree_ssa): Likewise.
988         (delete_tree_ssa): Likewise.
989         * tree-flow-inline.h (is_call_used): Remove.
990         * tree-flow.h (struct gimple_df): Remove callused member.
991         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
992         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
993         (ref_maybe_used_by_call_p_1): Simplify.
994         (call_may_clobber_ref_p_1): Likewise.
995         * tree-ssa-structalias.c (compute_points_to_sets): Set
996         the call stmt used and clobbered sets.
997         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
998         (find_tail_calls): Verify the tail call.
999
1000 2010-04-12  Richard Guenther  <rguenther@suse.de>
1001
1002         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1003         single-iteration always-inline inlining.
1004         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1005         (cgraph_decide_inlining): Do not handle always-inline specially.
1006         (try_inline): Remove always-inline cycle detection special case.
1007         Do not recurse on always-inlines.
1008         (cgraph_early_inlining): Do not iterate if not optimizing.
1009         (cgraph_gate_early_inlining): remove.
1010         (pass_early_inline): Run unconditionally.
1011         (gate_cgraph_decide_inlining): New function.
1012         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1013         not inlining or optimizing.
1014         (cgraph_decide_inlining_of_small_functions): Also consider
1015         always-inline functions.
1016         (cgraph_default_inline_p): Return true for nodes which should
1017         disregard inline limits.
1018         (estimate_function_body_sizes): Assume zero size and time for
1019         nodes which are marked as disregarding inline limits.
1020         (cgraph_decide_recursive_inlining): Do not perform recursive
1021         inlining on always-inline nodes.
1022
1023 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1024
1025         PR bootstrap/43699
1026         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1027         for exprs satisfying handled_component_p.
1028
1029 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1030
1031         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1032         non-constant aggregate elements.
1033
1034         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1035         is a real initialization.
1036
1037 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1038
1039         PR c/36774
1040         * c-decl.c (start_function): Move forward check for nested function.
1041
1042 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1043
1044         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1045         * config/sh/sh.c: Include reload.h.
1046         (sh_legitimize_reload_address): New.
1047         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1048         sh_legitimize_reload_address.
1049
1050 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1051
1052         * config/sh/sh.md (*movqi_pop): New insn pattern.
1053         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1054
1055 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1056
1057         * config/i386/i386.md (any_shiftrt): New code iterator.
1058         (shiftrt_insn): New code attribute.
1059         (shiftrt): Ditto.
1060         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1061         using any_shiftrt code iterator.
1062         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1063         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1064         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1065         pattern from corresponding peephole2 patterns.
1066         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1067         using any_shiftrt code iterator.
1068         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1069         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1070         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1071         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1072         *{ashr,lshr}<mode>3_cmp_zext.
1073         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1074
1075 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1076
1077         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1078         scratch register.
1079         (*lshr<mode>3_cconly): Ditto.
1080
1081 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1082
1083         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1084         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1085         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1086         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1087         DWI mode iterator.
1088         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1089         from corresponding peephole2 patterns.
1090         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1091         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1092         and *lshrdi3_1_rex64 using SWI mode iterator.
1093         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1094         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1095         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1096         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1097         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1098         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1099         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1100         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1101         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1102         SWI mode iterator.
1103
1104 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1105
1106         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1107         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1108         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1109         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1110         DWI mode iterator.
1111         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1112         from corresponding peephole2 patterns.
1113         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1114         (ashrsi3_cvt): Rename from ashrsi3_31.
1115         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1116         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1117         and x86_64_shift_adj_3 using SWI48 mode iterator.
1118         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1119         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1120         and *ashrdi3_1_rex64 using SWI mode iterator.
1121         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1122         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1123         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1124         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1125         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1126         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1127         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1128         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1129         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1130         SWI mode iterator.
1131         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1132         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1133         x86_shift<mode>_adj_3 expanders.
1134
1135 2010-04-10  Wei Guozhi  <carrot@google.com>
1136
1137         PR target/42601
1138         * config/arm/arm.c (arm_pic_static_addr): New function.
1139         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1140         a static symbol.
1141         (arm_output_addr_const_extra): Output expression for new pattern.
1142         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1143
1144 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1145
1146         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1147         not enabled.
1148
1149         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1150         * web.c: Include "insn-config.h" and "recog.h".
1151         (union_match_dups): New function.
1152         (web_main): Call it.
1153         (union_defs): Don't try to recognize match_dups.
1154
1155         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1156         if doing so would replace the entire pattern.
1157
1158 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1159
1160         PR target/43707
1161         PR target/43709
1162         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1163         and splitter pattern.  Change splitter operand 1 predicate to
1164         nonmemory_operand.
1165
1166 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1167
1168         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1169         lattices are addresses of CONST_DECLs with the same initial value.
1170         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1171         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1172
1173 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1174             Bernd Schmidt  <bernds@codesourcery.com>
1175
1176         * loop-invariant.c (replace_uses): New static function.
1177         (move_invariant_reg): Use it to ensure we can replace the uses.
1178
1179 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1180
1181         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1182         function template.
1183         (picochip_override_options): Enable section anchors only above -O1.
1184         (picochip_reorg): Fixed a couple of build warnings.
1185
1186 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1187
1188         * configure.ac (plugin -rdynamic test): Log result.
1189         * configure: Regenerate.
1190         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1191         (RDYNAMIC_SPEC): Define.
1192         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1193
1194 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1195
1196         * configure.ac: Determine Sun ld version numbers.
1197         (comdat_group): Restrict GNU ld version checks to gld.
1198         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1199         (enable_comdat): Support --enable-comdat.
1200         * configure: Regenerate.
1201         * doc/install.texi (Configuration): Document --enable-comdat.
1202
1203 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1204
1205         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1206         * config/sol2-gld.h: ... here.
1207         * config.gcc (sparc*-*-solaris2*): Reflect this.
1208         (i[34567]86-*-solaris2*): Use it.
1209
1210 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1211
1212         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1213         setup_clocks_p.
1214         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1215
1216 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1217
1218         PR 42965
1219         * diagnostic.c (diagnostic_initialize): Initialize
1220         some_warnings_are_errors.
1221         (diagnostic_finish): New.
1222         (diagnostic_action_after_output): Call it before exiting.
1223         (diagnostic_report_diagnostic): Do not print message here. Set
1224         some_warnings_are_errors.
1225         * diagnostic.h (diagnostic_context): Delete
1226         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1227         (diagnostic_finish): Declare.
1228         * toplev.c (toplev_main): Call it before exit.
1229
1230 2010-04-09  Jason Merrill  <jason@redhat.com>
1231
1232         PR c++/42623
1233         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1234         for incomplete type.
1235
1236         PR c++/41788
1237         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1238         based on a warning flag.
1239
1240 2010-04-09  Richard Guenther  <rguenther@suse.de>
1241
1242         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1243
1244 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1245
1246         PR bootstrap/43684
1247         * varasm.c (default_assemble_visibility): Wrap vars that are
1248         set, but unused, by targets without GAS.
1249         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1250         Remove set, but unused, vars.
1251         (rs6000_legitimize_tls_address): Likewise.
1252         (altivec_expand_dst_builtin): Likewise.
1253         * config/darwin.c (machopic_classify_symbol): Likewise.
1254         (machopic_indirection_name): Likewise.
1255
1256 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1257
1258         * config/i386/i386.md (DWI): New mode iterator.
1259         (S): New mode attribute.
1260         (shift_operand): Ditto.
1261         (shift_immediate_operand): Ditto.
1262         (ashl_input_operand): Ditto.
1263         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1264         using SDWIM mode iterator.
1265         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1266         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1267         DWI mode iterator.
1268         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1269         from corresponding peephole2 patterns.
1270         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1271         and x86_64_shift_adj_1 using SWI48 mode iterator.
1272         (x86_shift<mode>_adj_2): Ditto.
1273         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1274         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1275         using SWI48 mode iterator.
1276         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1277         *ashldi3_cmp_rex64 using SWI mode iterator.
1278         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1279         *ashldi3_cconly_rex64 using SWI mode iterator.
1280         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1281         x86_shift<mode>_adj_{1,2}.
1282         (ix86_split_ashr): Ditto.
1283         (ix86_split_lshr): Ditto.
1284
1285 2010-04-09  Richard Guenther  <rguenther@suse.de>
1286
1287         * target.h (builtin_conversion): Pass in input and output types.
1288         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1289         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1290         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1291         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1292
1293         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1294         Handle AVX modes.
1295         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1296
1297 2010-04-09  Richard Guenther  <rguenther@suse.de>
1298
1299         PR target/43152
1300         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1301
1302 2010-04-09  Richard Guenther  <rguenther@suse.de>
1303
1304         * tree-vectorizer.h (struct _stmt_vec_info): Document
1305         that vectype is the type of the LHS.
1306         (supportable_widening_operation, supportable_narrowing_operation):
1307         Get both input and output vector types as arguments.
1308         (vect_is_simple_use_1): Declare.
1309         (get_same_sized_vectype): Likewise.
1310         * tree-vect-loop.c (vect_determine_vectorization_factor):
1311         Set STMT_VINFO_VECTYPE to the vector type of the def.
1312         (vectorizable_reduction): Adjust.
1313         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1314         Adjust.  Specify the output vector type.
1315         (vect_pattern_recog_1): Adjust.
1316         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1317         (vectorizable_call): Adjust.
1318         (vectorizable_conversion): Likewise.
1319         (vectorizable_operation): Likewise.
1320         (vectorizable_type_demotion): Likewise.
1321         (vectorizable_type_promotion): Likewise.
1322         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1323         the def.
1324         (vect_is_simple_use_1): New function.
1325         (supportable_widening_operation): Get both input and output
1326         vector types.
1327         (supportable_narrowing_operation): Likewise.
1328         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1329
1330 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1331
1332         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1333         __thiscall and _thiscall as predefined macros.
1334         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1335         thiscall attribute handling.
1336         (ix86_comp_type_attributes): Likewise.
1337         (ix86_function_regparm): Likewise.
1338         (ix86_return_pops_args): Likewise.
1339         (init_cumulative_args): Likewise.
1340         (find_drap_reg): Likewise.
1341         (ix86_static_chain): Likewise.
1342         (x86_this_parameter): Likewise.
1343         (x86_output_mi_thunk): Likewise.
1344         (ix86_attribute_table): Add description for thiscall attribute.
1345         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1346         * doc/extend.texi: Add documentation for thiscall.
1347
1348 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1349
1350         PR c++/28584
1351         * c.opt (Wint-to-pointer-cast): Available in C++.
1352         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1353
1354 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1355
1356         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1357         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1358         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1359         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1360         function type instead.  Reorder and simplify checks.
1361
1362         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1363
1364 2010-04-08  Jing Yu  <jingyu@google.com>
1365             Zdenek Dvorak  <ook@ucw.cz>
1366
1367         PR tree-optimization/42720
1368         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1369         loop unswitch conditions here from ...
1370         (tree_unswitch_single_loop): ... here.
1371
1372 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * tree-if-conv.c: Fix comments and simplify logic.
1375
1376 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1377
1378         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1379         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1380         (main_tree_if_conversion): Update call to tree_if_conversion.
1381
1382 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1383
1384         PR 42485
1385         * doc/invoke.texi (-b,-V): Delete.
1386         * doc/tm.texi: Do not mention -b.
1387         * gcc.c (display_help): Delete -b and -V.
1388         (process_command): Delete -b and -V.
1389         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1390
1391 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1392             Wolfgang Gellerich  <gellerich@de.ibm.com>
1393
1394         Implement target hook for loop unrolling
1395         * target.h (loop_unroll_adjust): Add a new target hook function.
1396         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1397         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1398         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1399         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1400         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1401         target hook.
1402         (decide_unroll_stupid): Likewise.
1403
1404 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1405
1406         PR target/43643
1407         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1408
1409 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1410
1411         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1412         (Specific, *-*-solaris2*): Likewise.
1413         Don't prefer Sun as over GNU as.
1414
1415 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1416
1417         * config/s390/s390.c (override_options): Adjust the z10
1418           defaults for max-unroll-times, max-completely-peeled-insns
1419           and max-completely-peel-times.
1420
1421 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1422
1423         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1424         instructions for z10.
1425         (s390_expand_setmem): Likewise.
1426         (s390_expand_cmpmem): Likewise.
1427
1428 2010-04-08  Richard Guenther  <rguenther@suse.de>
1429
1430         PR tree-optimization/43679
1431         * tree-ssa-pre.c (eliminate): Only propagate copies.
1432
1433 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1434
1435         PR bootstrap/43681
1436         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1437         set but not used variable warning.
1438
1439 2010-04-08  Wei Guozhi  <carrot@google.com>
1440
1441         PR target/41653
1442         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1443         (arm_size_rtx_costs): Call the new function when optimized for size.
1444
1445 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1446
1447         PR debug/43670
1448         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1449         op0 is not a MEM, just return NULL instead of assertion
1450         failure.
1451         (discover_nonconstant_array_refs): Don't walk debug stmts.
1452
1453 2010-04-08  Doug Kwan  <dougkwan@google.com>
1454
1455         * configure.ac: Recognize gold and do not use its version number
1456         to test ld features.
1457         * configure: Regenerate.
1458
1459 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1460
1461         PR middle-end/40815
1462         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1463         (negate_value): Move code to push elements to broken_up_substracts ...
1464         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1465         negative pair to plus_negates.
1466         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1467
1468 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1469
1470         * doc/install.texi (Configuration): Move description of
1471         --enable-lto, --with-libelf*, --enable-gold from Java section to
1472         general section.
1473
1474         * doc/generic.texi (Working with declarations)
1475         (Function Properties, C and C++ Trees): Fix typos.
1476         * doc/sourcebuild.texi (Top Level): Likewise.
1477
1478 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1479
1480         PR c/18624
1481         * tree.h (DECL_READ_P): Define.
1482         (struct tree_decl_common): Add decl_read_flag.
1483         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1484         a set but not used warning.
1485         (merge_decls): Merge DECL_READ_P flag.
1486         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1487         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1488         * c-common.c (handle_used_attribute, handle_unused_attribute):
1489         Likewise.
1490         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1491         New prototypes.
1492         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1493         New functions.
1494         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1495         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1496         c_parser_binary_expression, c_parser_cast_expression,
1497         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1498         Call default_function_array_read_conversion instead of
1499         default_function_array_conversion where needed.
1500         (c_parser_unary_expression, c_parser_conditional_expression,
1501         c_parser_postfix_expression_after_primary, c_parser_initelt):
1502         Likewise.  Call mark_exp_read where needed.
1503         (c_parser_statement_after_labels, c_parser_asm_operands,
1504         c_parser_typeof_specifier, c_parser_sizeof_expression,
1505         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1506         where needed.
1507         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1508         New.
1509         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1510         (warn_unused_but_set_parameter): Default to warn_unused
1511         && extra_warnings.
1512         * doc/invoke.texi: Document -Wunused-but-set-variable and
1513         -Wunused-but-set-parameter.
1514
1515         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1516         used count variable.
1517         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1518         when operandN variables aren't used in the body of the expander
1519         or splitter.
1520         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1521         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1522         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1523         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1524         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1525         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1526         * tree.c (PROCESS_ARG): Likewise.
1527
1528 2010-04-07  Simon Baldwin  <simonb@google.com>
1529
1530         * diagnostic.h (diagnostic_override_option_index): New macro to
1531         set a diagnostic's option_index.
1532         * c-tree.h (c_cpp_error): Add warning reason argument.
1533         * opts.c (_warning_as_error_callback): New.
1534         (register_warning_as_error_callback): Store callback for
1535         warnings enabled via enable_warning_as_error.
1536         (enable_warning_as_error): Call callback, minor code tidy.
1537         * opts.h (register_warning_as_error_callback): Declare.
1538         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1539         response to -Werror=.
1540         (c_common_init_options): Register warning_as_error_callback in opts.c.
1541         * common.opt: Add -Wno-cpp option.
1542         * c-common.c (struct reason_option_codes_t): Map cpp warning
1543         reason codes to gcc option indexes.
1544         * (c_option_controlling_cpp_error): New function, lookup the gcc
1545         option index for a cpp warning reason code.
1546         * (c_cpp_error): Add warning reason argument, call
1547         c_option_controlling_cpp_error for diagnostic_override_option_index.
1548         * doc/invoke.texi: Document -Wno-cpp.
1549
1550 2010-04-07  Richard Guenther  <rguenther@suse.de>
1551
1552         * ipa-reference.c (mark_load): Use get_base_address.
1553         (mark_store): Likewise.
1554
1555         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1556         inserting GIMPLE_NOPs into the IL.
1557         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1558         Explicitly strip handled components and indirect references.
1559
1560         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1561         folding address expressions.
1562         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1563         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1564         operand_equal_p to compare decls.
1565         (ptr_deref_may_alias_decl_p): Likewise.
1566         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1567         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1568         Handle reversed comparison ops.
1569         * tree-sra.c (asm_visit_addr): Use get_base_address.
1570         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1571         * ipa-reference.c (mark_address): Use get_base_address.
1572
1573 2010-04-07  Richard Guenther  <rguenther@suse.de>
1574
1575         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1576         Propagate constants everywhere.
1577
1578 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1579
1580         PR debug/43516
1581         * tree.c (MAX_INT_CACHED_PREC): Define.
1582         (nonstandard_integer_type_cache): New array.
1583         (build_nonstandard_integer_type): Cache results for precision
1584         <= MAX_INT_CACHED_PREC.
1585
1586 2010-04-07  Richard Guenther  <rguenther@suse.de>
1587
1588         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1589         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1590         * common.opt: Likewise.
1591         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1592         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1593         (nonoverlapping_memrefs_p): Likewise.
1594         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1595         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1596         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1597         OPT_fargument_noalias_global for backward compatibility.
1598
1599 2010-04-07  Richard Guenther  <rguenther@suse.de>
1600
1601         PR tree-optimization/43270
1602         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1603         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1604         * tree-ssa-pre.c (phi_translate_1): Adjust.
1605         (fully_constant_expression): Split out vn_reference handling to ...
1606         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1607         Fold reads from constant strings.
1608         (vn_reference_lookup): Handle fully constant references.
1609         (vn_reference_lookup_pieces): Likewise.
1610         * Makefile.in (expmed.o-warn): Add -Wno-error.
1611
1612 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1613
1614         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1615
1616 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1617
1618         PR driver/41594
1619         * gcc.c: Add -static-libstdc++ to list of recognized options.
1620
1621 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1622
1623         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1624
1625 2010-04-07  Richard Guenther  <rguenther@suse.de>
1626
1627         PR middle-end/42617
1628         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1629         bases build simple mem attributes to retain points-to information.
1630
1631 2010-04-07  Richard Guenther  <rguenther@suse.de>
1632
1633         PR middle-end/42617
1634         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1635         preserve points-to related information.
1636
1637 2010-04-07  Richard Guenther  <rguenther@suse.de>
1638
1639         PR middle-end/42617
1640         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1641         discard plain indirect references.
1642         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1643         * tree.c (tree_nop_conversion): Likewise.
1644
1645 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1646
1647         PR debug/43628
1648         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1649
1650 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1651
1652         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1653         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1654
1655 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1656
1657         * tree-if-conv.c: Fix indentation and comments.
1658
1659 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1660
1661         * tree-if-conv.c: Sort static functions in topological order.
1662
1663 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         * tree-if-conv.c: Fix indentation and comments.
1666
1667 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1668
1669         PR middle-end/43519
1670         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1671         lang_hooks.types.type_for_size instead of
1672         build_nonstandard_integer_type.
1673         When converting an unsigned type to signed, double its precision.
1674         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1675         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1676         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1677         use lb <= ub.
1678
1679 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1680
1681         PR middle-end/43519
1682         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1683         POINTER_PLUS_EXPR for pointer types.
1684
1685 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1686
1687         PR middle-end/43519
1688         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1689         * graphite-clast-to-gimple.c: Include langhooks.h.
1690         (max_signed_precision_type): New.
1691         (max_precision_type): Takes two types as arguments.
1692         (precision_for_value): New.
1693         (precision_for_interval): New.
1694         (gcc_type_for_interval): New.
1695         (gcc_type_for_value): New.
1696         (gcc_type_for_clast_term): New.
1697         (gcc_type_for_clast_red): New.
1698         (gcc_type_for_clast_bin): New.
1699         (gcc_type_for_clast_expr): Split up into several functions.
1700         (gcc_type_for_clast_eq): Rewritten.
1701         (compute_bounds_for_level): New.
1702         (compute_type_for_level_1): New.
1703         (compute_type_for_level): New.
1704         (gcc_type_for_cloog_iv): Removed.
1705         (gcc_type_for_iv_of_clast_loop): Rewritten.
1706         (graphite_create_new_loop): Compute the lower and upper bound types
1707         with gcc_type_for_clast_expr.
1708         (graphite_create_new_loop_guard): Same.
1709         (find_cloog_iv_in_expr): Removed.
1710         (compute_cloog_iv_types_1): Removed.
1711         (compute_cloog_iv_types): Removed.
1712         (gloog): Do not call compute_cloog_iv_types.
1713         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1714         GBB_CLOOG_IV_TYPES.
1715         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1716         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1717         (GBB_CLOOG_IV_TYPES): Removed.
1718
1719 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1720
1721         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1722         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1723         (detect_commutative_reduction): Same.
1724
1725 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1726
1727         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1728         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1729         argument.
1730         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1731         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1732         (rewrite_commutative_reductions_out_of_ssa): Same.
1733         * passes.c (execute_function_todo): Call verify_ssa for every pass
1734         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1735         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1736         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1737         with an extra argument.
1738         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1739         verify_ssa only when the extra argument is true.
1740         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1741         with an extra argument.
1742         (tree_transform_and_unroll_loop): Same.
1743
1744 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1745
1746         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1747         for all the passes of the LNO having LOOP_CLOSED_SSA.
1748         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1749         * tree-loop-distribution.c (pass_loop_distribution): Same.
1750         * tree-pass.h (TODO_verify_loops): Removed.
1751         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1752         (pass_lim): Same.
1753         (pass_tree_unswitch): Same.
1754         (pass_predcom): Same.
1755         (pass_vectorize): Same.
1756         (pass_linear_transform): Same.
1757         (pass_graphite_transforms): Same.
1758         (pass_iv_canon): Same.
1759         (pass_complete_unroll): Same.
1760         (pass_complete_unrolli): Same.
1761         (pass_parallelize_loops): Same.
1762         (pass_loop_prefetch): Same.
1763         (pass_iv_optimize): Same.
1764
1765 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1766
1767         PR middle-end/32824
1768         * passes.c (init_optimization_passes): Move pass_lim before
1769         pass_copy_prop and pass_dce_loop.
1770
1771 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1772
1773         PR target/43667
1774         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1775         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1776         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1777         MULTI_* defines for 4 argument vpermil2p* builtins.
1778
1779 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1780
1781         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1782         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1783         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1784         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1785         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1786         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1787         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1788         Use x86_maybe_negate_const_int to output insn mnemonic.
1789         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1790         check from instruction predicate.  Update comments.
1791         * config/i386/sync.md (sync_add<mode>): Use
1792         x86_maybe_negate_const_int to output insn mnemonic.
1793
1794 2010-04-06  Jan Hubicka  <jh@suse.cz>
1795
1796         PR tree-optimization/42906
1797         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1798         IGNORE_SELF argument.  Set visited_control_parents for fully
1799         processed BBs.
1800         (find_obviously_necessary_stmts): Update call of
1801         mark_control_dependent_edges_necessary.
1802         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
1803
1804 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1805
1806         * config/i386/i386.md: Remove comment about 'e' and 'E'
1807         operand modifier.
1808
1809 2010-04-06  Richard Guenther  <rguenther@suse.de>
1810
1811         PR tree-optimization/43627
1812         * tree-vrp.c (extract_range_from_unary_expr): Widenings
1813         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1814         not varying.
1815
1816 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1817
1818         * BASE-VER: Change to 4.6.0.
1819
1820         PR target/43638
1821         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1822         handling.
1823
1824 2010-04-06  Richard Guenther  <rguenther@suse.de>
1825
1826         PR middle-end/43661
1827         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1828
1829 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1830
1831         * doc/invoke.texi (Optimize Options): Document that LTO
1832         won't remove object access purely due to incompatible
1833         declarations.
1834
1835 2010-04-04  Matthias Klose  <doko@ubuntu.com>
1836
1837         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1838         Initialize variable.
1839
1840 2010-04-03  Richard Guenther  <rguenther@suse.de>
1841
1842         PR middle-end/42509
1843         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1844         require a non-NULL MEM_OFFSET.
1845
1846 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
1847
1848         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1849         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1850         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1851         config/alpha/predicates.md, config/arm/arm.md,
1852         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1853         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1854         config/darwin9.h, config/darwin.c, config/darwin.h,
1855         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1856         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1857         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1858         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1859         config/mips/mips.md, config/mn10300/mn10300.c,
1860         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1861         config/rs6000/aix.h, config/rs6000/dfp.md,
1862         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1863         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1864         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1865         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1866         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1867         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1868         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1869         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1870         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1871         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1872         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1873         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1874         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1875         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1876         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1877         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1878         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1879         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1880         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1881         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1882         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1883         opt-functions.awk, opth-gen.awk, params.def, passes.c,
1884         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1885         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1886         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1887         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1888         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1889         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1890         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1891         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1892         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1893         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1894         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1895         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1896         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1897         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1898
1899 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1900
1901         PR other/43620
1902         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1903         * aclocal.m4: Regenerate.
1904
1905 2010-04-02  Richard Guenther  <rguenther@suse.de>
1906
1907         PR tree-optimization/43629
1908         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1909         if we have seen a constant value.
1910
1911 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
1912
1913         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1914
1915 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
1916
1917         PR target/43469
1918         * arm.c (legitimize_tls_address): Adjust call to
1919         gen_tls_load_dot_plus_four.
1920         (arm_note_pic_base): New function.
1921         (arm_cannot_copy_insn_p): Use it.
1922         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1923         constraint.
1924
1925 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1926
1927         PR bootstrap/43531
1928
1929         Revert:
1930         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1931
1932         * Makefile.in ($(out_object_file)): Depend on
1933         gt-$(basename $(notdir $(out_file))).h.
1934
1935 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
1936
1937         * config.gcc (lm32-*-rtems*): Add t-lm32.
1938
1939 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
1940
1941         * config.gcc: Add lm32-*-rtems*.
1942         * config/lm32/rtems.h: New file.
1943
1944 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
1945
1946         PR target/42609
1947         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1948
1949 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
1950
1951         * dwarf2out.c (output_compilation_unit_header): For
1952         -gdwarf-4 use version 4 instead of version 3.
1953         (output_line_info): For version 4 and above emit additional
1954         maximum ops per insn header field.
1955         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1956
1957         * dwarf2out.c (is_c_family, is_java): Remove.
1958         (lower_bound_default): New function.
1959         (add_bound_info, gen_descr_array_type_die): Use it.
1960
1961 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
1962
1963         PR debug/43325
1964         * dwarf2out.c (gen_variable_die): Allow debug info for variable
1965         re-declaration when it happens in a function.
1966
1967 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
1968
1969         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1970         (cgraph_remove_function_insertion_hook): Same.
1971         (cgraph_call_function_insertion_hooks): Same.
1972
1973 2010-04-01  Richard Guenther  <rguenther@suse.de>
1974
1975         PR middle-end/43614
1976         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1977         and TREE_THIS_VOLATILE.
1978         (copy_ref_info): Likewise.
1979         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1980         * tree.c (build6_stat): Ignore side-effects of all but arg5
1981         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
1982         TARGET_MEM_REF.
1983
1984 2010-04-01  Richard Guenther  <rguenther@suse.de>
1985
1986         PR tree-optimization/43607
1987         * ipa-type-escape.c (check_call): Do not access non-existing
1988         arguments.
1989
1990 2010-04-01  Richard Guenther  <rguenther@suse.de>
1991
1992         PR middle-end/43602
1993         Revert
1994         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
1995                     Jack Howarth <howarth@bromo.med.uc.edu>
1996
1997         * tree-profile.c (tree_init_ic_make_global_vars): Make static
1998         variables TLS.
1999
2000 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2001
2002         * doc/install.texi (Prerequisites): Document libelf usability on
2003         IRIX 5/6 and Solaris 2.
2004         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2005         Update GNU as, GNU ld requirements.
2006         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2007         Document Sun Studio compiler download.
2008         Update and simplify as, ld recommendations.
2009         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2010
2011 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2012
2013         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2014         with_tune_32 to pentium4.
2015
2016 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2017
2018         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2019
2020 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2021
2022         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2023         obsoletion, removal.
2024         Update IDO URL.
2025         Document GNU as requirement.
2026         Update configure requirements.
2027         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2028         Recomment IRIX 6.5.18+.
2029         Document IDF/IDL requirement.
2030         Document GNU as requirement.
2031         Document GNU ld bootstrap failure.
2032         Remove freeware.sgi.com reference.
2033
2034 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2035
2036         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2037         UNIX V4.0, V5.0 obsoletion, removal.
2038         Remove --with-gc=simple reference.
2039         Update VM requirements during bootstrap.
2040         Remove -oldas bootstrap description.
2041         Update binutils reference.
2042         Remove comparison failure note.
2043
2044 2010-03-31  Richard Guenther  <rguenther@suse.de>
2045             Zdenek Dvorak  <ook@ucw.cz>
2046             Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         PR middle-end/43464
2049         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2050         with multiple arguments.
2051         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2052
2053 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2054
2055         * graphite-dependences.c (print_pddr): Call print_pdr with an
2056         extra argument.
2057         * graphite-poly.c (debug_pdr): Add an extra argument for the
2058         verbosity level.
2059         (print_pdr): Same.
2060         (print_pbb_domain): Same.
2061         (print_pbb): Same.
2062         (print_scop_context): Same.
2063         (print_scop): Same.
2064         (print_cloog): Same.
2065         (debug_pbb_domain): Same.
2066         (debug_pbb): Same.
2067         (print_pdrs): Same.
2068         (debug_pdrs): Same.
2069         (debug_scop_context): Same.
2070         (debug_scop): Same.
2071         (debug_cloog): Same.
2072         (print_scop_params): Same.
2073         (debug_scop_params): Same.
2074         (print_iteration_domain): Same.
2075         (print_iteration_domains): Same.
2076         (debug_iteration_domain): Same.
2077         (debug_iteration_domains): Same.
2078         (print_scattering_function): Same.
2079         (print_scattering_functions): Same.
2080         (debug_scattering_function): Same.
2081         (debug_scattering_functions): Same.
2082         * graphite-poly.h (debug_pdr): Update declaration.
2083         (print_pdr): Same.
2084         (print_pbb_domain): Same.
2085         (print_pbb): Same.
2086         (print_scop_context): Same.
2087         (print_scop): Same.
2088         (print_cloog): Same.
2089         (debug_pbb_domain): Same.
2090         (debug_pbb): Same.
2091         (print_pdrs): Same.
2092         (debug_pdrs): Same.
2093         (debug_scop_context): Same.
2094         (debug_scop): Same.
2095         (debug_cloog): Same.
2096         (print_scop_params): Same.
2097         (debug_scop_params): Same.
2098         (print_iteration_domain): Same.
2099         (print_iteration_domains): Same.
2100         (debug_iteration_domain): Same.
2101         (debug_iteration_domains): Same.
2102         (print_scattering_function): Same.
2103         (print_scattering_functions): Same.
2104         (debug_scattering_function): Same.
2105         (debug_scattering_functions): Same.
2106
2107 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         * graphite-poly.c (print_scattering_function_1): New.
2110         (print_scattering_function): Call it.
2111         (print_scop_params): Remove spaces at the end of lines.
2112         (print_cloog): New.
2113         (debug_cloog): New.
2114         * graphite-poly.h (print_cloog): Declared.
2115         (debug_cloog): Declared.
2116
2117 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2118
2119         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2120         in loop->header.
2121         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2122         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2123         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2124         to switch between adding the IV bump in loop->latch or in loop->header.
2125
2126 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2127
2128         * graphite-poly.c (print_scattering_function): Pretty print following
2129         the scoplib format.
2130         (print_pdr): Same.
2131         (print_pbb_domain): Same.
2132         (dump_gbb_cases): Same.
2133         (dump_gbb_conditions): Same.
2134         (print_pdrs): Same.
2135         (print_pbb): Same.
2136         (print_scop_params): Same.
2137         (print_scop_context): Same.
2138         (print_scop): Same.
2139         (print_pbb_body): New.
2140         (lst_indent_to): New.
2141         (print_lst): Start new lines with a #.
2142         * graphite-poly.h (pbb_bb): New.
2143         (pbb_index): Use pbb_bb.
2144         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2145         disjuncts.
2146         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2147
2148 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2149
2150         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2151         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2152         and 0 instead of 1 for dw_val_class_flag.
2153         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2154         dw_val_class_range_list, dw_val_class_loc_list,
2155         dw_val_class_lineptr and dw_val_class_macptr, use
2156         DW_FORM_flag_present for dw_val_class_flag and
2157         DW_FORM_exprloc for dw_val_class_loc.
2158         (output_die): For -gdwarf-4 print dw_val_class_loc
2159         size as uleb128 instead of 1 or 2 bytes and don't print
2160         anything for dw_val_class_flag.
2161
2162         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2163         instead of cselib_lookup following by tweaking locs->setting_insn.
2164
2165         PR bootstrap/43596
2166         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2167         even before returning from label, setjmp call or volatile asm
2168         handling.
2169
2170 2010-03-31  Richard Guenther  <rguenther@suse.de>
2171
2172         PR middle-end/43600
2173         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2174         temporary data on stack.
2175
2176 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2177
2178         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2179         (PUSHSECTION_ASM_OP): Remove.
2180         (POPSECTION_ASM_OP): Remove.
2181         (PUSHSECTION_FORMAT): Remove.
2182         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2183         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2184         * config/sol2.c (solaris_output_init_fini): Use it.
2185
2186 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2187
2188         PR 43574
2189         * opt-functions.awk (var_type_struct): Use signed char type
2190         for simple variables.
2191
2192 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2193
2194         * config/sol2.c: Include output.h.
2195         (solaris_assemble_visibility): New function.
2196         * config/t-sol2 (sol2.o): Add output.h dependency.
2197         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2198         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2199         Redefine.
2200
2201 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2202
2203         PR target/43580
2204         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2205         V2SImode or XFmode on PRE_DEC.
2206
2207         PR debug/43557
2208         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2209         BLKmode.
2210
2211 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2212
2213         PR 43562
2214         * reload.h (caller_save_initialized_p): Declare.
2215         * toplev.c (backend_init_target): Don't call
2216         init_caller_save but set caller_save_initialized_p to false.
2217         * caller-save.c (caller_save_initialized_p): Define.
2218         (init_caller_save): Check caller_save_initialized_p.
2219         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2220
2221 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2222
2223         PR target/39048
2224         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2225         and soft-fp/t-softfp to tmake_file.
2226         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2227         (LIBGCC2_TF_CEXT): Define.
2228         (TF_SIZE): Define.
2229
2230 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2231
2232         PR debug/42977
2233         * cselib.c (n_useless_values): Document handling of debug locs.
2234         (n_useless_debug_values, n_debug_values): New variables.
2235         (new_elt_loc_list): Don't add to debug values, keep count.
2236         (promote_debug_loc): New.
2237         (cselib_reset_table): Zero new variables.
2238         (entry_and_rtx_equal_p): Promote debug locs.
2239         (discard_useless_locs): Increment n_useless_debug_values for
2240         debug values.
2241         (remove_useless_values): Adjust n_useless_values and n_debug_values
2242         with n_useless_debug_values.
2243         (add_mem_for_addr): Promote debug locs.
2244         (cselib_lookup_mem): Likewise.
2245         (cselib_lookup_addr): Renamed to...
2246         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2247         (cselib_log_lookup): ... this.  Turn into...
2248         (cselib_lookup_addr): ... new wrapper.
2249         (cselib_lookup_from_insn): New.
2250         (cselib_invalidate_regno): Increment n_useless_debug_values for
2251         debug values.
2252         (cselib_invalidate_mem): Likewise.
2253         (cselib_process_insn): Take n_deleted and n_debug_values into
2254         account to guard remove_useless_value call.
2255         (cselib_finish): Zero n_useless_debug_values.
2256         * cselib.h (cselib_lookup_from_insn): Declare.
2257         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2258         (sched_analyze_2): Likewise.
2259
2260 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2261
2262         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2263         functions.
2264         (adjust_mems): Replace narrowing SUBREG of expression containing
2265         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2266         with operations in the narrower mode.
2267
2268         PR debug/43593
2269         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2270         regs_invalidated_by_call instead all call_used_reg_set registers.
2271
2272 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274         PR middle-end/43430
2275         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2276         pointer comparisons with types_compatible_p.
2277         * tree-vect-stmts.c (vectorizable_call): Same.
2278         (vectorizable_condition): Same.
2279
2280 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2281
2282         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2283         stack check if the mask would be zero.
2284
2285 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2286             Jack Howarth <howarth@bromo.med.uc.edu>
2287
2288         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2289         variables TLS.
2290
2291 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2292
2293         PR other/25232
2294         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2295         and __unordtf2.
2296         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2297         Include ___unordxf2 and ___unordtf2.
2298         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2299         GCC_4.4.0 here.
2300
2301 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2302
2303         * config/lm32/t-lm32: New file.
2304         * config.gcc: Use the above file when targetting lm32.
2305
2306 2010-03-28  Duncan Sands  <baldrick@free.fr>
2307
2308         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2309
2310 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2311
2312         PR middle-end/43431
2313         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2314         Improve vectorization cost model diagnostic.
2315
2316 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         PR middle-end/43436
2319         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2320         compute_data_dependences_for_loop returns false, early exit
2321         and output an extra diagnostic for the failed data reference
2322         analysis.
2323
2324 2010-03-29  Richard Guenther  <rguenther@suse.de>
2325
2326         PR tree-optimization/43560
2327         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2328         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2329
2330 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2331
2332         PR 43564
2333         * toplev.c (process_options): Set optimization_default_node
2334         and optimization_current_node.
2335         * opts.c (decode_options): Don't set optimization_default_node
2336         and optimization_current_node.
2337
2338 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2339
2340         * config/rtems.h: Abandon -qrtems_debug.
2341
2342 2010-03-28  Jan Hubicka  <jh@suse.cz>
2343
2344         PR tree-optimization/43505
2345         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2346         map should not be copied.
2347
2348 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2349
2350         PR middle-end/41674
2351         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2352         cdtors, set DECL_PRESERVE_P.
2353         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2354         should be preseved.
2355
2356 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2357
2358         PR tree-optimization/43528
2359         * stor-layout.c (place_field): Check that constant fits into
2360         unsigned HWI when skipping calculation of MS bitfield layout.
2361
2362 2010-03-27  Jan Hubicka  <jh@suse.cz>
2363
2364         PR middle-end/43391
2365         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2366         notice_global_symbol work.
2367
2368 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2369
2370         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2371         instead of dwarf2out_decl.
2372         (struct var_loc_node): Remove section_label field.
2373         (dwarf2out_function_decl): New function.
2374         (dwarf2out_var_location): Don't set section_label field.
2375         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2376
2377 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2378
2379         PR tree-optimization/43544
2380         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2381         First argument for builtin vectorized function hook is now a
2382         tree to be able to distinguish between machine specific and
2383         standard builtins.
2384         * targhooks.c (default_builtin_vectorized_function): Ditto.
2385         * targhooks.h (default_builtin_vectorized_function): Ditto.
2386         * target.h (struct gcc_target): Ditto.
2387         * tree-vect-stmts.c (vectorizable_function): Ditto.
2388         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2389         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2390         Ditto.
2391
2392 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2393
2394         PR c/43381
2395         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2396         nested binding iff it is a FUNCTION_DECL.
2397         (store_parm_decls_newstyle): Pass nested=true to bind for
2398         FUNCTION_DECLs amongst parameters.
2399
2400 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2401
2402         * var-tracking.c (vt_expand_loc_callback): Don't run
2403         cselib_expand_value_rtx_cb in dummy mode if
2404         cselib_dummy_expand_value_rtx_cb returned false.
2405
2406         * var-tracking.c (emit_note_insn_var_location): For one part
2407         notes with offset 0, don't add EXPR_LIST around the location.
2408         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2409         add_location_or_const_value_attribute): Adjust for that change.
2410
2411         PR debug/43540
2412         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2413         into first operand and location into second.
2414         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2415         dw_cfi_oprnd_loc for DW_CFA_expression.
2416         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2417         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2418         assume first argument is regnum and second argument is location.
2419
2420 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2421
2422         PR target/42113
2423         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2424         of scratch register to DImode.  Split to DImode comparison operator.
2425         Use SImode subreg of scratch register in the multiplication.
2426         (*cmp_sadd_sidi): Ditto.
2427         (*cmp_ssub_si): Ditto.
2428         (*cmp_ssub_sidi): Ditto.
2429
2430 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2431
2432         PR target/43524
2433         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2434         Remove invalid assert and wrong comment.
2435
2436 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2437
2438         PR debug/43516
2439         * flags.h (final_insns_dump_p): New extern.
2440         * final.c (final_insns_dump_p): New variable.
2441         (rest_of_clean_state): Set it before -fdump-final-insns=
2442         dumping, clear afterwards.
2443         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2444         MEM_ALIAS_SET on MEMs.
2445
2446 2010-03-26  David S. Miller  <davem@davemloft.net>
2447
2448         * configure.ac: Fix sparc GOTDATA_OP bug check.
2449         * configure: Rebuild.
2450
2451 2010-03-26  Alan Modra  <amodra@gmail.com>
2452
2453         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2454
2455 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2456
2457         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2458         TLS_SECTION_ASM_FLAG.
2459
2460 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2461
2462         PR bootstrap/43511
2463         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2464         Clear first_function_block_is_cold.
2465
2466         PR c/43385
2467         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2468         argument if the argument is truth_value_p.
2469
2470 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2471
2472         * config/rs6000/constraints.md: Update copyright year for my changes.
2473
2474         PR target/43484
2475         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2476         used in reg+reg addressing, swap registers.
2477
2478 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2479
2480         PR debug/43293
2481         * target.h (struct gcc_target): Add code_end hook.
2482         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2483         if not yet defined.
2484         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2485         * toplev.c (compile_file): Call targetm.asm_out.code_end
2486         hook before unwind info/debug info output.
2487         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2488         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2489         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2490         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2491         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2492         * config/i386/i386.c (ix86_file_end): Renamed to...
2493         (ix86_code_end): ... this.  Make static.  Don't call
2494         file_end_indicate_exec_stack.  Emit unwind info using
2495         final_start_function/final_end_function.
2496         (darwin_x86_file_end): Remove.
2497         (TARGET_ASM_CODE_END): Define.
2498         * config/i386/i386.h (TARGET_ASM_FILE_END,
2499         NEED_INDICATE_EXEC_STACK): Don't define.
2500         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2501         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2502         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2503         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2504
2505         PR target/43498
2506         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2507         at the beginning and final_end_function at the end.
2508         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2509
2510 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2511
2512         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2513         and Sun as TLS syntax.
2514         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2515         * configure: Regenerate.
2516         * config.in: Regenerate.
2517         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2518         (default_elf_asm_named_section): Use it.
2519         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2520         (i386_output_dwarf_dtprel): Likewise.
2521         (output_addr_const_extra): Likewise.
2522         (output_pic_addr_const): Lowercase @GOTTPOFF.
2523         (output_addr_const_extra): Likewise.
2524         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2525         (output_addr_const_extra): Likewise.
2526         (output_pic_addr_const): Lowercase @INDNTPOFF.
2527         (output_addr_const_extra): Likewise.
2528         (output_pic_addr_const): Lowercase @NTPOFF.
2529         (output_addr_const_extra): Likewise.
2530         (output_pic_addr_const): Lowercase @TPOFF.
2531         (output_addr_const_extra): Likewise.
2532         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2533         (*tls_global_dynamic_64): Likewise.
2534         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2535         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2536
2537         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2538         (ASM_OUTPUT_TLS_COMMON): Use it.
2539         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2540
2541         PR target/38118
2542         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2543         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2544         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2545         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2546         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2547         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2548
2549 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2550
2551         * config/i386/i386.c (override_options): Don't accept
2552         -mtls-dialect=sun any longer.
2553         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2554         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2555         (*tls_local_dynamic_base_32_sun): Likewise.
2556         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2557
2558 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2559
2560         PR debug/43508
2561         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2562         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2563
2564         PR debug/43479
2565         * ira.c (adjust_cleared_regs): New function.
2566         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2567
2568         PR debug/19192
2569         PR debug/43479
2570         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2571         from gimple_block.
2572         * expr.c (expand_expr_real): Restore previous
2573         curr_insn_source_location and curr_insn_block after
2574         expand_expr_real_1 call.
2575         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2576         instead of expand_expr_real_1.
2577
2578 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2579
2580         PR rtl-optimization/43413
2581         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2582         hard regs too.
2583
2584 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2585
2586         PR target/43348
2587         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2588         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2589
2590 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2591
2592         * config/i386/i386.c (ix86_target_string): Add -mfma.
2593         Fix a typo in comment.
2594
2595 2010-03-22  Mike Stump  <mikestump@comcast.net>
2596
2597         PR target/23071
2598         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2599         Don't overly align based upon packed packed fields.
2600
2601 2010-03-22  Jason Merrill  <jason@redhat.com>
2602
2603         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2604         Use () rather than [], and move before the element type.
2605
2606 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2607
2608         * doc/configfiles.texi (Configuration Files): Removed
2609         fixinc/Makefile*, intl/Makefile.*.
2610         * doc/makefile.texi: Fixed markup. Abstract from version
2611         control system used.
2612         (Makefile): Removed obsolete gcc/java/parse.y example.
2613         * doc/sourcebuild.texi: Likewise.
2614         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2615         libgomp, libssp.  Removed fastjar.
2616         (Miscellaneous Docs): Clarify location.
2617         Added COPYING3, COPYING3.LIB.
2618         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2619
2620 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2621
2622         PR target/38085
2623         * config/i386/i386.c (x86_function_profiler)
2624         [!NO_PROFILE_COUNTERS]: Fix typo.
2625         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2626         instead of callq.
2627
2628 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2629             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2630
2631         * doc/sourcebuild.texi (Test Directives): Split into six
2632         subsections, with most of the current text in new subsections
2633         Directives, Selectors, and Final Actions.
2634         (Directives): Split list of test directives into multiple
2635         subsubsections.
2636         (Selectors): Describe use and syntax of selectors.
2637         (Effective-Target Keywords): Describe all existing keywords.
2638         (Add Options): Describe features for dg-add-options.
2639         (Require Support): Describe variants of dg-require-support.
2640         (Final Actions): Describe commands to use in dg-final.
2641
2642 2010-03-22  Michael Matz  <matz@suse.de>
2643
2644         PR middle-end/43475
2645         * recog.c (validate_replace_rtx_group): Replace also in
2646         REG_EQUAL and REG_EQUIV notes.
2647
2648 2010-03-22  Richard Guenther  <rguenther@suse.de>
2649
2650         PR tree-optimization/43390
2651         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2652         sure vector extracts are type correct.
2653
2654 2010-03-22  Richard Guenther  <rguenther@suse.de>
2655
2656         PR middle-end/40106
2657         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2658         x * sqrt (x) even when optimizing for size if the target
2659         has native support for sqrt.
2660
2661 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2662
2663         * varasm.c (make_decl_rtl_for_debug): Also clear
2664         flag_mudflap for the duration of make_decl_rtl call.
2665
2666         PR debug/43443
2667         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2668         locs from preserved VALUEs.
2669
2670 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2671
2672         PR middle-end/42718
2673         * pa.md (movmemsi): Set align to one if zero.
2674         (movmemdi): Likewise.
2675
2676 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2677
2678         PR target/42321
2679         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2680         with their corresponding prologue pushes.
2681
2682 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2683
2684         PR target/43156
2685         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2686         at the begining or end.
2687         (spu_expand_epilogue): Likewise.
2688
2689 2010-03-20  Richard Guenther  <rguenther@suse.de>
2690
2691         PR rtl-optimization/43438
2692         * combine.c (make_extraction): Properly zero-/sign-extend an
2693         extraction of the low part of a CONST_INT.  Also handle
2694         CONST_DOUBLE.
2695
2696 2010-03-19  Mike Stump  <mikestump@comcast.net>
2697
2698         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2699         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2700         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2701
2702 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2703
2704         PR c/43211
2705         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2706         an error.
2707
2708 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2709
2710         PR rtl-optimization/42258
2711         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2712         use that may match DEF.
2713
2714         PR target/40697
2715         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2716         the cost of loading the constant rather than assuming
2717         COSTS_N_INSNS (1).
2718         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2719         outer code is AND, do the same tests as the andsi3 expander and
2720         return COSTS_N_INSNS (1) if and is cheap.
2721
2722         * optabs.c (avoid_expensive_constant): Fix formatting.
2723
2724 2010-03-19  Michael Matz  <matz@suse.de>
2725
2726         PR c++/43116
2727         * attribs.c (decl_attributes): When rebuilding a function pointer
2728         type use the same qualifiers as the original pointer type.
2729
2730 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2731
2732         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2733         and is_gimple_ip_invariant_address.
2734
2735 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2736
2737         Revert
2738         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2739
2740         * config/arm/arm.c (arm_override_options): Turn off
2741         flag_dwarf2_cfi_asm for AAPCS variants.
2742
2743 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2744
2745         PR target/43399
2746         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2747         Use PRE_MODIFY instead of PRE_DEC.
2748         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2749         (vfp_emit_fstmd): Likewise.
2750
2751 2010-03-19  Michael Matz  <matz@suse.de>
2752
2753         PR target/43305
2754         * builtins.c (expand_builtin_interclass_mathfn,
2755         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2756         if that fails.
2757
2758 2010-03-19  Richard Guenther  <rguenther@suse.de>
2759
2760         PR tree-optimization/43415
2761         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2762         (phi_translate_1): ... this.
2763         (phi_translate): Move all caching here.  Cache all NARY
2764         and REFERENCE translations.
2765
2766 2010-03-19  David S. Miller  <davem@davemloft.net>
2767
2768         With help from Eric Botcazou.
2769         * config/sparc/sparc.c: Include dwarf2out.h.
2770         (emit_pic_helper): Delete.
2771         (pic_helper_symbol_name): Delete.
2772         (pic_helper_emitted_p): Delete.
2773         (pic_helper_needed): New.
2774         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2775         (get_pc_thunk_name): New.
2776         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2777         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2778         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2779         (sparc_expand_prologue): Update load_pic_register call.
2780         (sparc_output_mi_thunk): Likewise.
2781         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2782         thunk if possible.  Output CFI information as needed.
2783
2784 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2785             Jack Howarth <howarth@bromo.med.uc.edu>
2786
2787         PR target/36399
2788         * config/i386/i386.h: Fix ABI on darwin x86-32.
2789
2790 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2791
2792         * tree.h: Declare make_decl_rtl_for_debug.
2793         * varasm.c (make_decl_rtl_for_debug): New.
2794         * dwarf2out.c (rtl_for_decl_location): Call it.
2795         * cfgexpand.c (expand_debug_expr): Call it.
2796
2797 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2798
2799         PR bootstrap/43399
2800         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2801         mem_mode.
2802
2803         PR bootstrap/43403
2804         * var-tracking.c (vt_init_cfa_base): Do nothing if
2805         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2806
2807 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
2808
2809         PR debug/42873
2810         * var-tracking.c (canonicalize_vars_star): New.
2811         (dataflow_post_merge_adjust): Use it.
2812
2813 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2814
2815         PR debug/43058
2816         * var-tracking.c (non_suitable_const): New function.
2817         (add_uses): For DEBUG_INSNs with constants, don't record any
2818         value, instead just the constant value itself.
2819         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2820         is not VAR_LOC_UNKNOWN_P, set var to the constant.
2821         (emit_notes_in_bb): Likewise.
2822         (emit_note_insn_var_location): For onepart variables if
2823         cur_loc is a VOIDmode constant, use DECL_MODE.
2824
2825 2010-03-18  Martin Jambor  <mjambor@suse.cz>
2826
2827         PR middle-end/42450
2828         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2829         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2830         all non-clones.  Moved call redirection...
2831         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2832         (cgraph_materialize_all_clones): Dispose of all
2833         combined_args_to_skip bitmaps.
2834         (verify_cgraph_node): Do not check for edges pointing to wrong
2835         nodes in inline clones.
2836         * tree-inline.c (copy_bb): Call
2837         cgraph_redirect_edge_call_stmt_to_callee.
2838         * ipa.c (cgraph_remove_unreachable_nodes): Call
2839         cgraph_node_remove_callees even when there are used clones.
2840
2841 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2842
2843         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2844
2845 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2846
2847         PR target/43383
2848         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2849         for 32bit.
2850
2851 2010-03-18  Michael Matz  <matz@suse.de>
2852
2853         PR middle-end/43419
2854         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2855         into sqrt(x) if we need to preserve signed zeros.
2856
2857 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
2858             Eric Botcazou  <ebotcazou@adacore.com>
2859
2860         PR rtl-optimization/43360
2861         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2862         note if we don't know its invariant status.
2863
2864 2010-03-18  Michael Matz  <matz@suse.de>
2865
2866         PR tree-optimization/43402
2867         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2868         PHI chains of ssa names registered for update.
2869
2870 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
2871
2872         PR target/42427
2873         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2874         non-offsettable and pre_modify update addressing.
2875         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2876         and "2" alternatives "#".
2877         (*movdd_softfloat32): Make all alternatives "#";
2878         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2879         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2880         (*movdf_softfloat32): Make all alternatives "#";
2881         (movdi): Use the new DIFD mode iterator to create a common splitter
2882         for movdi, movdf and movdd patterns.
2883
2884 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
2885
2886         * common.opt (dumpdir): Remove redundant tab.
2887
2888 2010-03-17  Martin Jambor  <mjambor@suse.cz>
2889
2890         PR tree-optimization/43347
2891         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2892         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2893
2894 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2895
2896         PR rtl-optimization/42216
2897         * regrename.c (create_new_chain): New function, broken out from...
2898         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
2899         appending a use to an empty chain.
2900         (build_def_use): Remove previous changes that convert OP_INOUT to
2901         OP_OUT operands; instead detect the case where an OP_INOUT operand
2902         uses a previously untracked register and create an empty chain for it.
2903
2904 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2905
2906         * doc/extend.texi (Function Attributes): Rewrite unfinished
2907         sentence in ms_abi documentation.
2908
2909 2010-03-17  Alan Modra  <amodra@gmail.com>
2910
2911         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2912         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2913         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2914         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2915
2916 2010-03-16  Richard Henderson  <rth@redhat.com>
2917
2918         PR middle-end/43365
2919         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2920         (lower_try_finally): Save and restore eh_seq around the expansion
2921         of the try-finally.
2922
2923 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
2924
2925         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2926         statements before splitting block.
2927
2928 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2929
2930         * doc/sourcebuild.texi (Testsuites): Fix markup.
2931         Use pathnames relative to gcc/testsuite.
2932         (Test Directives): Move description of how timeout is determined.
2933         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2934         (C Tests): Correct gcc.misc-tests directory.
2935         Framework tests now live in gcc.test-framework.
2936
2937 2010-03-16  Richard Guenther  <rguenther@suse.de>
2938
2939         PR middle-end/43379
2940         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2941         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2942
2943 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
2944             Alexandre Oliva  <aoliva@redhat.com>
2945
2946         PR tree-optimization/42917
2947         * lambda-code.c (remove_iv): Skip debug statements.
2948         (lambda_loopnest_to_gcc_loopnest): Likewise.
2949         (not_interesting_stmt): Debug statements are not interesting.
2950
2951 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
2952
2953         PR debug/43051
2954         PR debug/43092
2955         * cselib.c (cselib_preserve_constants,
2956         cfa_base_preserved_val): New static variables.
2957         (preserve_only_constants): New function.
2958         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2959         clear its REG_VALUES.  If cselib_preserve_constants, don't
2960         empty the whole hash table, but preserve there VALUEs with constants,
2961         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2962         (cselib_preserve_cfa_base_value): New function.
2963         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2964         (cselib_init): Change argument to int bitfield.  Set
2965         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2966         is in it.
2967         (cselib_finish): Clear cselib_preserve_constants and
2968         cfa_base_preserved_val.
2969         * cselib.h (enum cselib_record_what): New enum.
2970         (cselib_init): Change argument to int.
2971         (cselib_preserve_cfa_base_value): New prototype.
2972         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2973         * dse.c (dse_step1): Likewise.
2974         * cfgcleanup.c (thread_jump): Likewise.
2975         * sched-deps.c (sched_analyze): Likewise.
2976         * gcse.c (local_cprop_pass): Likewise.
2977         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2978         If FN is non-NULL, call the callback always and whenever it returns
2979         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
2980         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2981         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2982         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2983         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2984         * var-tracking.c: Include recog.h.
2985         (bb_stack_adjust_offset): Remove.
2986         (vt_stack_adjustments): Don't call it, instead just gather the
2987         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2988         (adjust_stack_reference): Remove.
2989         (compute_cfa_pointer): New function.
2990         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2991         (struct adjust_mem_data): New type.
2992         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2993         functions.
2994         (get_address_mode): New function.
2995         (replace_expr_with_values): Use it.
2996         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2997         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
2998         (adjust_sets): Remove.
2999         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3000         Use get_address_mode.
3001         (get_adjusted_src): Remove.
3002         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3003         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3004         (add_with_sets): Don't call adjust_sets.
3005         (fp_setter, vt_init_cfa_base): New functions.
3006         (vt_initialize): Change return type to bool.  Move most of pool etc.
3007         initialization to the beginning of the function from end.  Pass
3008         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3009         If !frame_pointer_needed, call vt_stack_adjustment before mos
3010         vector is filled, call vt_init_cfa_base if argp/framep has been
3011         eliminated to sp.  If frame_pointer_needed and argp/framep has
3012         been eliminated to hard frame pointer, set
3013         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3014         encountering fp setter in the prologue.  For MO_ADJUST, call
3015         log_op_type before pusing the op into mos vector, not afterwards.
3016         Call adjust_insn before cselib_process_insn/add_with_sets,
3017         call cancel_changes (0) afterwards.
3018         (variable_tracking_main_1): Adjust for vt_initialize calling
3019         vt_stack_adjustments and returning whether it succeeded or not.
3020
3021 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3022
3023         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3024         debug statements.
3025
3026 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3027
3028         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3029         has been set.
3030         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3031         drap_reg has not been set.
3032
3033 2010-03-15  Michael Matz  <matz@suse.de>
3034
3035         PR middle-end/43300
3036         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3037         use it to expand block copies.
3038         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3039         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3040         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3041
3042 2010-03-15  Richard Guenther  <rguenther@suse.de>
3043
3044         PR tree-optimization/43367
3045         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3046         elimination check.
3047
3048 2010-03-15  Richard Guenther  <rguenther@suse.de>
3049
3050         PR tree-optimization/43317
3051         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3052
3053 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3054
3055         PR tree-optimization/43141
3056         * tree-sra.c (create_abstract_origin): New function.
3057         (modify_function): Call create_abstract_origin.
3058
3059 2010-03-15  Chris Demetriou  <cgd@google.com>
3060
3061         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3062         wasn't copied.
3063
3064 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3065
3066         PR middle-end/43354
3067         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3068         call insert_out_of_ssa_copy for default definitions.
3069
3070 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3071
3072         * graphite-clast-to-gimple.c (my_long_long): Defined.
3073         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3074         * graphite-sese-to-poly.c (my_long_long): Defined.
3075         (scop_ivs_can_be_represented): Use it.
3076
3077 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3078
3079         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3080         graphite-max-bbs-per-function, and loop-block-tile-size.
3081         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3082         with "maximum".
3083         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3084
3085 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3086
3087         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3088         forward declaration.
3089         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3090         (add_upper_bounds_from_estimated_nit): New.
3091         (build_loop_iteration_domains): Use it.
3092
3093 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3096
3097 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         PR middle-end/43306
3100         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3101         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3102
3103 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3104
3105         * graphite.c (graphite_initialize): To bound the number of bbs per
3106         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3107         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3108         * doc/invoke.texi: Document it.
3109
3110 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3111
3112         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3113         * graphite-sese-to-poly.h (build_poly_scop): Same.
3114
3115 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3116
3117         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3118         the number of parameters in the scop.  Use as an upper bound
3119         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3120         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3121         * doc/invoke.texi: Document it.
3122
3123 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3124
3125         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3126         * doc/c-tree.texi: Remove.
3127         * doc/generic.texi: Merge c-tree.texi here.
3128         * doc/gccint.texi (Trees): Remove menu entry.
3129         (c-tree.texi): Remove @include.
3130         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3131         * doc/languages.texi (Reading RTL): Ditto.
3132
3133 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3134
3135         PR target/42869
3136         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3137
3138 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3139
3140         PR middle-end/42431
3141         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3142         code added to work around reload clobbering CONST insns.
3143
3144 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3145
3146         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3147         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3148         (cselib_preserve_only_values): Remove retain argument, don't
3149         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3150         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3151         * var-tracking.c (micro_operation): Move insn field before union.
3152         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3153         (struct variable_tracking_info_def): Remove n_mos field, change
3154         mos into a vector of micro_operations.
3155         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3156         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3157         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3158         changing into a vector.
3159         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3160         come before all other uops generated by add_stores.
3161         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3162         argument removal.
3163         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3164         a vector.  Run just one pass over the bbs instead of separate counting
3165         and computation phase.
3166         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3167
3168         PR debug/43329
3169         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3170         into *nonlocalized_list vector.
3171         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3172         even if origin is non-NULL.
3173         (gen_variable_die): Likewise.
3174         (process_scope_var): Don't change origin.
3175         (gen_decl_die): Likewise.
3176         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3177         before adding new edges instead of after it, fix moving over
3178         debug stmts.
3179
3180 2010-03-11  David S. Miller  <davem@davemloft.net>
3181
3182         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3183         of four.
3184         * configure: Rebuild.
3185
3186 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3187
3188         PR tree-optimization/43257
3189         * tree.c (assign_assembler_name_if_neeeded): New function.
3190         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3191         above new function.
3192         * tree.h (assign_assembler_name_if_neeeded): Declare.
3193         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3194         the function if needed.
3195
3196 2010-03-11  Chris Demetriou  <cgd@google.com>
3197
3198         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3199         include/stdint-gcc.h, and include/stdint.h world-readable.
3200
3201 2010-03-11  Richard Guenther  <rguenther@suse.de>
3202
3203         PR tree-optimization/43255
3204         * tree-vrp.c (process_assert_insertions_for): Do not insert
3205         asserts for trivial conditions.
3206
3207 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3208
3209         PR tree-optimization/43280
3210         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3211         generation.  Move calculation of size out of the if branch.
3212         (find_bswap): Modify compare number generation.
3213
3214 2010-03-11  Richard Guenther  <rguenther@suse.de>
3215
3216         PR lto/43200
3217         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3218         (input_gimple_stmt): Fixup handled component types during
3219         operand read.  Also fix up decls in ADDR_EXPRs.
3220
3221 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3222
3223         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3224         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3225
3226 2010-03-10  Jan Hubicka  <jh@suse.cz>
3227
3228         PR c/43288
3229         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3230         * varasm.c (get_variable_section): Don't do that here...
3231         (make_decl_rtl): ... and here.
3232         (do_assemble_alias): Produce decl RTL.
3233         (assemble_alias): Likewise.
3234
3235 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3236
3237         PR debug/43290
3238         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3239         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3240         of fde->vdrap_reg.
3241         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3242         (based_loc_descr): Only express drap or vdrap regno based expressions
3243         using DW_OP_fbreg when not optimizing.
3244         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3245         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3246         REG_CFA_SET_VDRAP note.
3247
3248 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3249
3250         PR tree-optimization/43236
3251         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3252         error in calculation of base address in reverse iteration case.
3253         (generate_builtin): Take number of latch executions if the statement
3254         is in the latch.
3255
3256 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3257
3258         PR middle-end/42859
3259         * tree-eh.c: Include pointer-set.h.
3260         (lower_eh_dispatch): Filter out duplicate case labels and
3261         remove the unneeded edge when the label is unused.  Return
3262         true when some edges are removed.
3263         (execute_lower_eh_dispatch): When any lowering resulted in
3264         removing an edge, also delete unreachable blocks.
3265
3266 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3267
3268         PR bootstrap/43287
3269         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3270         UNSPEC_MACHOPIC_OFFSET.
3271
3272 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3273
3274         PR target/43294
3275         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3276         (m68k_delegitimize_address): New function.
3277
3278 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3279
3280         PR debug/43299
3281         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3282
3283         PR debug/43299
3284         * var-tracking.c (adjust_sets): New function.
3285         (count_with_sets, add_with_sets): Use it.
3286         (get_adjusted_src): New inline function.
3287         (add_stores): Use it.
3288
3289         PR debug/43304
3290         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3291         call cselib_dummy_expand_value_rtx_cb instead of
3292         cselib_expand_value_rtx_cb.
3293
3294         PR debug/43293
3295         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3296         * config/i386/i386.c: Include debug.h and dwarf2out.h.
3297         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3298         and .cfi_endproc around the pic thunks.
3299         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3300         all queued unwind info register saves are saved before the call.
3301         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3302         considered as sp-=4 for unwind info and the pop as sp+=4 which
3303         also clobbers dest, but doesn't actually restore it.
3304
3305         PR debug/43290
3306         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3307         RTX_FRAME_RELATED_P.
3308
3309 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3310
3311         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3312         whitespaces in output template.
3313
3314 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3315
3316         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3317         out array boundary.
3318
3319 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3320
3321         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3322         builtins.exp in a separate job.
3323
3324 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3325
3326         * graphite-sese-to-poly.c (add_param_constraints): Use
3327         lower_bound_in_type and upper_bound_in_type.
3328
3329 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3330
3331         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3332         instead of unsigned_type_node.
3333
3334 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3335             Reza Yazdani  <reza.yazdani@amd.com>
3336
3337         PR middle-end/43065
3338         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3339         on pointer type parameters.
3340
3341 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3342
3343         PR middle-end/42644
3344         PR middle-end/42130
3345         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3346         handle conversions from pointer to integers.
3347         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3348         induction variable, to be able to work with code generated by CLooG.
3349         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3350         (build_poly_scop): Bail out if we cannot codegen a loop.
3351
3352 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3353
3354         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3355         code generation with gloog_error.
3356
3357 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3358
3359         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3360         Call fold_convert on all the returned values.
3361         (expand_scalar_variables_expr): Pass to
3362         expand_scalar_variables_ssa_name the type of the resulting expression.
3363
3364 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3365
3366         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3367         ppl_min_for_le_pointset.
3368         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3369         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3370
3371 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3372
3373         * graphite-dependences.c (map_into_dep_poly): Removed.
3374         (dependence_polyhedron_1): Use combine_context_id_scat.
3375
3376 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3377
3378         * graphite-poly.h (struct poly_scattering): Add layout documentation.
3379         (struct poly_bb): Same.
3380         (combine_context_id_scat): New.
3381
3382 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3383
3384         PR middle-end/42326
3385         * sese.c (name_defined_in_loop_p): Return false for default
3386         definitions.
3387
3388 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3389
3390         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3391         and clean up the logic.
3392
3393 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3394
3395         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3396         early return.
3397
3398 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3399
3400         * var-tracking.c (remove_cselib_value_chains): Define only for
3401         ENABLE_CHECKING.
3402         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3403         delete_slot_part, emit_notes_for_differences_1): Don't call
3404         remove_cselib_value_chains here.
3405         (set_slot_part, emit_notes_for_differences_2): Don't call
3406         add_cselib_value_chains here.
3407         (preserved_values): New vector.
3408         (preserve_value): New function.
3409         (add_uses, add_stores, vt_add_function_parameters): Use it
3410         instead of cselib_preserve_value.
3411         (changed_values_stack): New vector.
3412         (check_changed_vars_0): New function.
3413         (check_changed_vars_1, check_changed_vars_2): Use it.
3414         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3415         changed_values_stack VALUEs.
3416         (vt_emit_notes): For all preserved_values call
3417         add_cselib_value_chains.  If ENABLE_CHECKING call
3418         remove_cselib_value_chains before verifying value_chains is empty.
3419         Initialize and free changed_values_stack.
3420         (vt_initialize): Initialize preserved_values.
3421         (vt_finalize): Free preserved_values.
3422
3423 2010-03-08  Richard Guenther  <rguenther@suse.de>
3424
3425         PR tree-optimization/43269
3426         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3427         region detection.
3428
3429 2010-03-08  Martin Jambor  <mjambor@suse.cz>
3430
3431         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3432         (ipa_is_param_called): Removed.
3433         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3434         (ipa_print_node_params): Do not print the called flag.
3435         (ipa_write_node_info): Do not stream the called flag.
3436         (ipa_read_node_info): Likewise.
3437
3438 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
3439
3440         PR debug/43176
3441         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3442         * cselib.c (struct expand_value_data): Add dummy field.
3443         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3444         dummy to false.
3445         (cselib_dummy_expand_value_rtx_cb): New function.
3446         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3447         any rtl.
3448         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3449         * var-tracking.c: Include pointer-set.h.
3450         (variable): Change n_var_parts to char from int.  Add
3451         cur_loc_changed and in_changed_variables fields.
3452         (variable_canonicalize): Remove.
3453      &nb