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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2
3         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
4
5 2010-04-19  Jan Hubicka  <jh@suse.cz>
6
7         * opts.c (decode_options): Disable whpr incompatible passes.
8         * lto/lto.c (lto_1_to_1_map): Skip clones.
9         (read_cgraph_and_symbols): Do not mark everything as needed.
10         (do_whole_program_analysis): Do map only after optimizing;
11         set proper cgraph_state; use passmanager.
12
13 2010-04-19  DJ Delorie  <dj@redhat.com>
14
15         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
16         POINTER_PLUS_EXPR and fix them.
17
18 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
19
20         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
21         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
22         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
23         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
24         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
25         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
26         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
27         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
28         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
29         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
30         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
31
32 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
33
34         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
35         (check_cond_move_block): Likewise.
36         (cond_move_process_if_block): Likewise.
37         (noce_find_if_block): Improve formatting.
38         (find_if_header): Pass 0 to memset and tweak conditions.
39         (cond_exec_find_if_block): Fix long lines and tweak conditions.
40
41 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
42
43         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return
44         0 for -gdwarf-4.
45
46         PR middle-end/43337
47         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
48         with non-local decl doesn't need chain.
49
50 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
51
52         * ira-color.c (allocno_reload_assign): Avoid accumulating
53         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
54
55 2010-04-19  Martin Jambor  <mjambor@suse.cz>
56
57         * gimple.h (create_tmp_reg): Declare.
58         * gimplify.c (create_tmp_reg): New function.
59         (gimplify_return_expr): Use create_tmp_reg.
60         (gimplify_omp_atomic): Likewise.
61         (gimple_regimplify_operands): Likewise.
62         * tree-dfa.c (make_rename_temp): Likewise.
63         * tree-predcom.c (predcom_tmp_var): Likewise.
64         (reassociate_to_the_same_stmt): Likewise.
65         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
66         (get_replaced_param_substitute): Likewise.
67         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
68         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
69         * tree-ssa-pre.c (get_representative_for): Likewise.
70         (create_expression_by_pieces): Likewise.
71         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
72         (create_tailcall_accumulator): Likewise.
73
74 2010-04-19  Martin Jambor  <mjambor@suse.cz>
75
76         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
77         new_stmt.
78         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
79
80 2010-04-19  Richard Guenther  <rguenther@suse.de>
81
82         PR tree-optimization/43796
83         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
84         from SCEV in the lattice.
85         (vrp_visit_phi_node): Dump change.
86
87 2010-04-19  Richard Guenther  <rguenther@suse.de>
88
89         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
90         * configure: Re-generated.
91
92 2010-04-19  Richard Guenther  <rguenther@suse.de>
93
94         PR tree-optimization/43783
95         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
96         constant ARRAY_REF operands two and three if possible.
97
98 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
99
100         PR target/43766
101         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
102
103 2010-04-19  Jie Zhang  <jie@codesourcery.com>
104
105         PR target/43662
106         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
107
108 2010-04-19 Ira Rosen <irar@il.ibm.com>
109
110         PR tree-optimization/37027
111         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions 
112         and macro to access it.
113         (vectorizable_reduction): Add argument.
114         (vect_get_slp_defs): Likewise.
115         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
116         statements for possible use in SLP.
117         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
118         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
119         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
120         add new argument.
121         (vectorizable_reduction): Likewise.
122         * tree-vect-stmts.c (vect_get_vec_defs): Update call to 
123         vect_get_slp_defs.
124         (vectorizable_type_demotion, vectorizable_type_promotion,
125         vectorizable_store): Likewise.
126         (vect_analyze_stmt): Update call to vectorizable_reduction.
127         (vect_transform_stmt): Likewise.
128         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
129         (vect_build_slp_tree): Fix indentation. Check that there are no loads
130         from different interleaving chains in same node.
131         (vect_slp_rearrange_stmts): New function.
132         (vect_supported_load_permutation_p): Allow load permutations for 
133         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
134         inside SLP nodes if necessary.
135         (vect_analyze_slp_instance): Handle reductions.
136         (vect_analyze_slp): Try to build SLP instances originating from groups
137         of reductions.
138         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
139         (vect_get_constant_vectors): Create initial vectors for reductions
140         according to reduction code. Add new argument.
141         (vect_get_slp_defs): Add new argument, pass it to 
142         vect_get_constant_vectors.
143         (vect_schedule_slp_instance): Remove SLP tree root statements.
144
145 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
146
147         * tree.h (ENUM_IS_SCOPED): Define.
148         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
149         for ENUM_IS_SCOPED enums.
150
151 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
152
153         * fold-const.c (fold_comparison): Use ssizetype.
154         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
155         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
156         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
157         * tree-object-size.c (compute_object_sizes): Use size_type_node.
158
159         * tree.h (initialize_sizetypes): Remove parameter.
160         (build_common_tree_nodes): Remove second parameter.
161         * stor-layout.c (initialize_sizetypes): Remove parameter.
162         Always create an unsigned type.
163         (set_sizetype): Assert that the passed type is unsigned and simplify.
164         * tree.c (build_common_tree_nodes): Remove second parameter.
165         Adjust call to initialize_sizetypes.
166         * c-decl.c (c_init_decl_processing): Remove second argument in call to
167         build_common_tree_nodes.
168
169 2010-04-18  Matthias Klose  <doko@ubuntu.com>
170
171         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
172
173 2010-04-18 Ira Rosen <irar@il.ibm.com> 
174
175         PR tree-optimization/43771
176         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
177         load permutation doesn't have gaps.
178
179 2010-04-18  Jan Hubicka  <jh@suse.cz>
180
181         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
182         (sse_prologue_save_insn expander): Use new pattern.
183         (sse_prologue_save_insn1): New pattern and splitter.
184         (sse_prologue_save_insn): Update to deal also with 64bit aligned
185         blocks.
186         * i386.c (setup_incoming_varargs_64): Do not compute jump
187         destination here.
188         (ix86_gimplify_va_arg): Update alignment needed.
189         (ix86_local_alignment): Do not align all local arrays to 128bit.
190
191 2010-04-17  Jan Hubicka  <jh@suse.cz>
192
193         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
194
195 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
196
197         * arm.md (negdi2): Remove redundant code to force values into a
198         register.
199
200 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
201
202         * arm/bpabi.S: Add EABI alignment attributes to objects.
203         * arm/bpabi-v6m.S: Likewise.
204         * arm/crti.asm: Likewise.
205         * arm/crtn.asm: Likewise.
206         * arm/lib1funcs.asm: Likewise.
207         * arm/libunwind.S: Likewise.
208
209 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
210
211         * arm-protos.h (tune_params): New structure.
212         * arm.c (current_tune): New variable.
213         (arm_constant_limit): Delete.
214         (struct processors): Add pointer to the tune parameters.
215         (arm_slowmul_tune): New tuning option.
216         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
217         (all_cores): Adjust to pick up the tuning model.
218         (arm_constant_limit): New function.
219         (arm_override_options): Select the appropriate tuning model.  Delete
220         initialization of arm_const_limit.
221         (arm_split_constant): Use the new constant-limit model.
222         (arm_rtx_costs): Pick up the current tuning model.
223         * arm.md (is_strongarm, is_xscale): Delete.
224         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
225         for Xscale variant architectures.
226         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
227
228 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
229
230         * config/arm/arm.c (arm_gen_constant): Remove unused variable
231         can_shift.
232         (arm_rtx_costs_1): Remove unused variable extra_cost.
233         (arm_unwind_emit_set): Use variable offset.
234         (thumb1_output_casesi): Remove unused variable flags.
235
236 2010-04-16  Jeff Law  <law@redhat.com>
237
238         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
239         needing assignment rather than doing a two-phase assignment.  Remove
240         unused variable 'm'.
241
242 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
243
244         PR bootstrap/43767
245         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
246
247 2010-04-16  Doug Kwan  <dougkwan@google.com>
248
249         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
250         (next_operand_entry_id): New static variable.
251         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
252         (add_to_ops_vec): Assigned unique ID to operand entry.
253         (struct oecount_s): New field ID.
254         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
255         (undistribute_ops_list): Assign unique IDs to oecounts.
256         (init_reassoc): reset next_operand_entry_id.
257
258 2010-04-16  Doug Kwan  <dougkwan@google.com>
259
260         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
261         missing left parenthesis.
262         
263 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
264
265         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
266         *btdi_rex64 using SWI48 mode iterator.
267         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
268         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
269         *jcc_btdi_mask_rex64.
270
271 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
272
273         * double-int.h (tree_to_double_int): Convert to macro.
274         * double-int.c (tree_to_double_int): Remove.
275
276 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
277
278         PR debug/43762
279         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
280         with want_address 2 and in case a single element list might be
281         possible, call it again with want_address 0.
282
283 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
284
285         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
286         case 'W' print operands for HI mode.
287         * config/h8300/h8300.h (Y0, Y2) : New constraints.
288         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
289         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
290         * config/h8300/predicate.md (bit_register_indirect_operand): New.
291
292         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
293
294         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx, 
295         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
296         #xx:3 and #xx:4 mode.
297
298         * config/h8300/h8300.md (inverted load with HImode dest): Add
299         support for H8300SX.
300
301         * config/h8300/predicate.md (bit_operand): Allow immediate values that
302         satisfy 'U' constraint.
303
304 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
305
306         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
307         flavor.
308         * configure: Regenerate.
309         * config.in: Regenerate.
310         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
311         works.
312
313 2010-04-16  Richard Guenther  <rguenther@suse.de>
314
315         * tree.h (struct tree_decl_minimal): Move pt_uid ...
316         (struct tree_decl_common): ... here.
317         (DECL_PT_UID): Adjust.
318         (SET_DECL_PT_UID): Likewise.
319         (DECL_PT_UID_SET_P): Likewise.
320
321 2010-04-16  Richard Guenther  <rguenther@suse.de>
322
323         PR tree-optimization/43572
324         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
325         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
326         * tree-flow.h (is_call_clobbered): Remove.
327         * tree-flow-inline.h (is_call_clobbered): Likewise.
328         * tree-dfa.c (dump_variable): Do not dump call clobber state.
329         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
330         (execute_return_slot_opt): Adjust.
331         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
332         check for call clobbered vars here.
333         (find_tail_calls): Move tailcall verification to the
334         proper place.
335
336 2010-04-16  Diego Novillo  <dnovillo@google.com>
337
338         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
339         handled.
340
341 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
342
343         PR target/40603
344         * config/arm/arm.md (cbranchqi4): New pattern.
345         * config/arm/predicates.md (const0_operand,
346         cbranchqi4_comparison_operator): New predicates.
347
348 2010-04-16  Richard Guenther  <rguenther@suse.de>
349
350         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
351         (dump_gimple_stmt): Likewise.
352
353 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
354
355         * recog.h (struct recog_data): New field is_operator.
356         (struct insn_operand_data): New field is_operator.
357         * recog.c (extract_insn): Set recog_data.is_operator.
358         * genoutput.c (output_operand_data): Emit code to set the
359         is_operator field.
360         * reload.c (find_reloads): Use it rather than testing for an
361         empty constraint string.
362
363         PR target/41514
364         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
365         If the previous insn is a cbranchsi4_insn with the same arguments,
366         omit the compare instruction.
367
368         * config/arm/arm.md (addsi3_cbranch): If destination is a high
369         register, inputs must be low registers and we need a low register
370         scratch.  Handle alternative 2 like alternative 3.
371
372 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
373
374         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
375         don't call get_addr on both.  If one expression is a VALUE and
376         the other a REG, check VALUE's locs if the REG isn't among them.
377
378 2010-04-16  Christian Bruel  <christian.bruel@st.com>
379
380         * config/sh/sh.h (sh_frame_pointer_required): New function.
381         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
382         (flag_omit_frame_pointer) Set.
383         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
384         (rounded_frame_size): Adjust size with outgoing_args_size.
385         (sh_set_return_address): Must return from stack pointer.
386         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
387         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
388         (ACCUMULATE_OUTGOING_ARGS): Define.
389         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
390         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
391
392 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
393
394         PR target/43471
395         * config/sh/sh.c (sh_legitimize_reload_address): Use
396         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
397         Remove a unneeded check for offset_base.
398
399 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
400
401         * configure: Regenerated.
402
403 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
404
405         * config/s390/s390.c (s390_call_save_register_used): Switch back
406         to HARD_REGNO_NREGS.
407
408 2010-04-15  Richard Guenther  <rguenther@suse.de>
409
410         * alias.c (alias_set_subset_of): Handle alias-set zero
411         child properly.
412
413 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
414             Julian Brown  <julian@codesourcery.com>
415
416         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
417         alternatives according to use of high and low regs.
418         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
419         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
420         optimizing for size on Thumb-2.
421
422 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
423
424         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
425
426 2010-04-15  Richard Guenther  <rguenther@suse.de>
427
428         * tree-ssa-structalias.c (struct variable_info): Add
429         is_fn_info flag.
430         (new_var_info): Initialize it.
431         (dump_constraints): Support printing last added constraints.
432         (debug_constraints): Adjust.
433         (dump_constraint_graph): Likewise.
434         (make_heapvar_for): Check for NULL cfun.
435         (get_function_part_constraint): New function.
436         (get_fi_for_callee): Likewise.
437         (find_func_aliases): Properly implement IPA PTA constraints.
438         (process_ipa_clobber): New function.
439         (find_func_clobbers): Likewise.
440         (insert_into_field_list_sorted): Remove.
441         (create_function_info_for): Properly allocate vars for IPA mode.
442         Do not use insert_into_field_list_sorted.
443         (create_variable_info_for): Properly generate constraints for
444         global vars in IPA mode.
445         (dump_solution_for_var): Always dump the solution.
446         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
447         (find_what_var_points_to): Adjust.
448         (pt_solution_set): Change.
449         (pt_solution_ior_into): New function.
450         (pt_solution_empty_p): Export.
451         (pt_solution_includes_global): Adjust.
452         (pt_solution_includes_1): Likewise.
453         (pt_solutions_intersect_1): Likewise.
454         (dump_sa_points_to_info): Check some invariants.
455         (solve_constraints): Move constraint dumping ...
456         (compute_points_to_sets): ... here.
457         (ipa_pta_execute): ... and here.
458         (compute_may_aliases): Do not re-compute points-to info
459         locally if IPA info is available.
460         (ipa_escaped_pt): New global var.
461         (ipa_pta_execute): Properly implement IPA PTA.
462         * tree-into-ssa.c (dump_decl_set): Support dumping
463         decls not in referenced-vars.
464         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
465         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
466         (dump_points_to_solution): Likewise.
467         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
468         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
469         (remap_gimple_stmt): Reset call clobber/use information if
470         necessary.
471         (copy_decl_to_var): Copy DECL_PT_UID.
472         (copy_result_decl_to_var): Likewise.
473         * tree.c (make_node_stat): Initialize DECL_PT_UID.
474         (copy_node_stat): Copy it.
475         * tree.h (DECL_PT_UID): New macro.
476         (SET_DECL_PT_UID): Likewise.
477         (DECL_PT_UID_SET_P): Likewise.
478         (struct tree_decl_minimal): Add pt_uid member.
479         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
480         (pt_solution_empty_p): Declare.
481         (pt_solution_set): Adjust.
482         (ipa_escaped_pt): Declare.
483         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
484         * gimple-pretty-print.c (pp_points_to_solution): New function.
485         (dump_gimple_call): Dump call clobber/use information.
486         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
487         * tree-pass.h (TDF_ALIAS): New dump option.
488         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
489         * doc/invoke.texi (-fipa-pta): Update documentation.
490
491 2010-04-15  Richard Guenther  <rguenther@suse.de>
492
493         * Makefile.in (OBJS-common): Add gimple-fold.o.
494         (gimple-fold.o): New rule.
495         * tree.h (maybe_fold_offset_to_reference,
496         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
497         prototypes ...
498         * gimple.h: ... here.
499         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
500         may_propagate_address_into_dereference): Move prototypes ...
501         * gimple.h: ... here.
502         * tree-ssa-ccp.c (get_symbol_constant_value,
503         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
504         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
505         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
506         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
507         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
508         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
509         gimplify_and_update_call_from_tree): Move ...
510         * gimple-fold.c: ... here.  New file.
511         (ccp_fold_builtin): Rename to ...
512         (gimple_fold_builtin): ... this.
513         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
514
515 2010-04-15  Richard Guenther  <rguenther@suse.de>
516
517         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
518         fit_double_type, force_fit_type_double, add_double_with_sign,
519         neg_double, mul_double_with_sign, lshift_double, rshift_double,
520         lrotate_double, rrotate_double, div_and_round_double): Move ...
521         * double-int.c: ... here.
522         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
523         add_double, neg_double, mul_double_with_sign, mul_double,
524         lshift_double, rshift_double, lrotate_double, rrotate_double,
525         div_and_round_double): Move prototypes ...
526         * double-int.h: ... here.
527
528 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
529
530         PR target/43742
531         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
532         matching constraints to ensure inputs match the output.
533
534 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
535
536         PR target/43742
537         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
538         in an input-only operand.       
539
540 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
541
542         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
543         (double_int_not, double_int_lshift, double_int_rshift): Declare.
544         (double_int_negative_p): Convert to static inline function.
545         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
546         (double_int_negative_p): Remove.
547         * tree.h (lshift_double, rshift_double): 
548         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
549         * fold-const.c (fold_convert_const_int_from_real,
550         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
551         (lshift_double): Change type of arith argument to bool.
552         (rshift_double): Change type of arith argument to bool. Correct
553         comment.
554         * expmed.c (mask_rtx, lshift_value): (Ditto.).
555
556 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
557         
558         PR target/21803
559         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
560         at the start and end of the then/else blocks, and omit them from the
561         conversion.
562         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
563         argument; all callers changed.  Pass zero to old_insns_match_p instead.
564         (flow_find_head_matching_sequence): New function.
565         (old_insns_match_p): Check REG_EH_REGION notes for calls.
566         * basic-block.h (flow_find_cross_jump,
567         flow_find_head_matching_sequence): Declare functions.
568
569 2010-04-14  Jason Merrill  <jason@redhat.com>
570
571         PR c++/36625
572         * c-common.c (attribute_takes_identifier_p): New fn.
573         * c-common.h: Declare it.
574
575 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
576
577         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
578         splitter condition.
579         (*udivmod<mode>4): Ditto.
580
581 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
582
583         * config/i386/i386.md (maxmin_int): Rename code attribute from
584         maxminiprefix and update all users.
585         (maxmin_float): Ditto from maxminfprefix.
586         (logic): Ditto from logicprefix.
587         (absneg_mnemonic): Ditto from absnegprefix.
588         * config/i386/mmx.md: Update all users of maxminiprefix,
589         maxminfprefix and logicprefix for rename.
590         * config/i386/sse.md: Ditto.
591         * config/i386/sync.md (sync_<code><mode>): Update for
592         logicprefix rename.
593
594 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
595
596         PR 42966
597         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
598         warnings converted to errors.
599
600 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
601
602         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
603         used insn_type variable.
604         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
605         to avoid set-but-not-used warning.
606
607 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
608
609         * df-core.c (df_ref_debug): Change format string placeholder
610         from 0x%x to %#x.
611         * dwarf2asm.c (dw2_asm_output_data_raw,
612         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
613         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
614         * dwarf2out.c (output_cfi, output_cfi_directive,
615         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
616         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
617         Ditto.
618         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
619         * print-rtl.c (print_rtx): Ditto.
620
621 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
622
623         PR middle-end/42694
624         * builtins.c (expand_builtin_pow_root): New function to expand pow
625         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
626         series of sqrt and cbrt calls under -ffast-math.
627         (expand_builtin_pow): Call it.
628
629 2010-04-14  Michael Matz  <matz@suse.de>
630
631         PR tree-optimization/42963
632         * tree-cfg.c (touched_switch_bbs): New static variable.
633         (group_case_labels_stmt): New function broken out from ...
634         (group_case_labels): ... here, use the above.
635         (start_recording_case_labels): Allocate touched_switch_bbs.
636         (end_recording_case_labels): Deallocate it, call
637         group_case_labels_stmt.
638         (gimple_redirect_edge_and_branch): Remember index of affected BB.
639
640 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
641
642         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
643         from insn template.
644
645 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
646
647         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
648
649 2010-04-13  Jan Hubicka  <jh@suse.cz>
650
651         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
652         of optimized out static functions.
653         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
654         cost computation.  Also sanity check for overflows.
655         (update_caller_keys): Update cgraph_edge_badness call; properly
656         update fibheap and sanity check that it is up to date.
657         (add_new_edges_to_heap): Update cgraph_edge_badness.
658         (cgraph_decide_inlining_of_small_function): Likewise;
659         add sanity checking that badness in heap is up to date;
660         improve dumping of reason; Update badness of calls to the
661         offline copy of function currently inlined; dump badness
662         of functions not inlined because of unit growth limits.
663
664 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
665
666         PR middle-end/32628
667         * c-common.c (pointer_int_sum): Disregard overflow that occured only
668         because of sign-extension change when converting to sizetype here...
669         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
670
671         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
672         the folding to constants.  Remove redundant final conversion.
673         (fold_binary) <associate>: Do not associate if the re-association of
674         constants alone overflows.
675         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
676         to the end of the list.
677         (multiple_of_p) <COND_EXPR>: New case.
678
679 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
680
681         * opt-functions.awk (opt_sanitized_name): New.
682         (opt_enum): New.
683         * optc-gen.awk: Use it
684         * opth-gen.awk: Use it.
685
686 2010-04-13  Martin Jambor  <mjambor@suse.cz>
687
688         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
689         (sra_modify_assign): Delete stmts loading dead data even if racc has no
690         children.  Call replace_uses_with_default_def_ssa_name to handle
691         SSA_NAES on lhs.
692
693 2010-04-13  Michael Matz  <matz@suse.de>
694
695         PR middle-end/43730
696         * builtins.c (expand_builtin_interclass_mathfn): Also create
697         a register if the predicate doesn't match.
698
699 2010-04-13  Diego Novillo  <dnovillo@google.com>
700
701         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
702         * c-pch.c: Include timevar.h.
703         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
704         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
705         * ggc-common.c: Include timevar.h.
706         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
707         * timevar.def (TV_PCH_SAVE): Define.
708         (TV_PCH_CPP_SAVE): Define.
709         (TV_PCH_PTR_REALLOC): Define.
710         (TV_PCH_PTR_SORT): Define.
711         (TV_PCH_RESTORE): Define.
712         (TV_PCH_CPP_RESTORE): Define.
713
714 2010-04-13  Michael Matz  <matz@suse.de>
715
716         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
717         into MINUS_EXPRs.
718         (can_reassociate_p): New function.
719         (break_up_subtract_bb, reassociate_bb): Use it.
720
721 2010-04-13  Richard Guenther  <rguenther@suse.de>
722
723         PR bootstrap/43737
724         * builtins.c (c_readstr): Fix assert.
725
726 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
727
728         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
729         when generating cltd insn.
730
731         (*ashl<mode>3_1): Remove special handling for register operand 2.
732         (*ashlsi3_1_zext): Ditto.
733         (*ashlhi3_1): Ditto.
734         (*ashlhi3_1_lea): Ditto.
735         (*ashlqi3_1): Ditto.
736         (*ashlqi3_1_lea): Ditto.
737         (*<shiftrt_insn><mode>3_1): Ditto.
738         (*<shiftrt_insn>si3_1_zext): Ditto.
739         (*<shiftrt_insn>qi3_1_slp): Ditto.
740         (*<rotate_insn><mode>3_1): Ditto.
741         (*<rotate_insn>si3_1_zext): Ditto.
742         (*<rotate_insn>qi3_1_slp): Ditto.
743
744 2010-04-13  Richard Guenther  <rguenther@suse.de>
745
746         * tree-ssa-structalias.c (callused_id): Remove.
747         (call_stmt_vars): New.
748         (get_call_vi): Likewise.
749         (lookup_call_use_vi): Likewise.
750         (lookup_call_clobber_vi): Likewise.
751         (get_call_use_vi): Likewise.
752         (get_call_clobber_vi): Likewise.
753         (make_transitive_closure_constraints): Likewise.
754         (handle_const_call): Adjust to do per-call call-used handling.
755         (handle_pure_call): Likewise.
756         (find_what_var_points_to): Remove general callused handling.
757         (init_base_vars): Likewise.
758         (init_alias_vars): Initialize call_stmt_vars.
759         (compute_points_to_sets): Process call-used and call-clobbered
760         vars for call statements.
761         (delete_points_to_sets): Free call_stmt_vars.
762
763 2010-04-13  Richard Guenther  <rguenther@suse.de>
764
765         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
766         Only add RW dependence for dependence distance zero.
767         Adjust maximal vectorization factor according to dependences.
768         Move alignment handling ...
769         (vect_find_same_alignment_drs): ... here.  New function.
770         (vect_analyze_data_ref_dependences): Adjust.
771         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
772         (vect_analyze_data_refs): Adjust minimal vectorization factor
773         according to data references.
774         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
775         dependences before determining the vectorization factor.
776         Analyze alignment after determining the vectorization factor.
777         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
778         dependences before alignment.
779         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
780         Adjust prototype.
781         (vect_analyze_data_refs): Likewise.
782         (MAX_VECTORIZATION_FACTOR): New define.
783
784 2010-04-13  Duncan Sands  <baldrick@free.fr>
785
786         * except.h (lang_eh_type_covers): Remove.
787         * except.c (lang_eh_type_covers): Likewise.
788
789 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
790             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
791
792         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
793         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
794         UNITS_PER_LONG where it is ABI relevant.
795         (s390_return_addr_rtx): Likewise.
796         (s390_back_chain_rtx): Likewise.
797         (s390_frame_area): Likewise.
798         (s390_frame_info): Likewise.
799         (s390_initial_elimination_offset): Likewise.
800         (save_gprs): Likewise.
801         (s390_emit_prologue): Likewise.
802         (s390_emit_epilogue): Likewise.
803         (s390_function_arg_advance): Likewise.
804         (s390_function_arg): Likewise.
805         (s390_va_start): Likewise.
806         (s390_gimplify_va_arg): Likewise.
807         (s390_function_profiler): Likewise.
808         (s390_optimize_prologue): Likewise.
809         (s390_rtx_costs): Likewise.
810         (s390_secondary_reload): Likewise.
811         (s390_promote_function_mode): Likewise.
812         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
813         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
814         registers available.
815         (s390_unwind_word_mode): New function.
816         (s390_function_value): Split 64 bit values into register pair if
817         used as return value.
818         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
819         function call parameters.  Handle parallels.
820         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
821         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
822         (DWARF_CIE_DATA_ALIGNMENT): New macro.
823         (s390_expand_setmem): Remove unused variable src_addr.
824         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
825         deal with 64 bit registers.
826         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
827         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
828         (UNITS_PER_LONG): New macro.
829         * libjava/include/s390-signal.h: Define extended ucontext
830         structure containing the upper halfs of the 64 bit registers.
831
832 2010-04-13  Simon Baldwin  <simonb@google.com>
833
834         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
835
836 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
837
838         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
839         rvalue on the RHS if the LHS is of a non-renamable type.
840         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
841
842 2010-04-13  Matthias Klose  <doko@ubuntu.com>
843
844         * gcc.c (cc1_options): Handle -iplugindir before processing
845         the cc1 spec. Only add -iplugindir once.
846         (cpp_unique_options): Add -iplugindir option if -fplugin* options
847         found.
848         * common.opt (iplugindir): Remove `Separate' property, initialize.
849         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
850         option.
851         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
852         (distclean): Remove plugin dir.
853         * doc/invoke.texi: Document -iplugindir.
854
855 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
856
857         * doc/plugins.texi (Loading Plugins): Document short
858         -fplugin=foo option.
859         (Plugin API): Mention default_plugin_dir_name function.
860
861         * gcc.c (find_file_spec_function): Add new declaration.
862         (static_spec_func): Use it for "find-file".
863         (find_file_spec_function): Add new function.
864         (cc1_options): Add -iplugindir option if -fplugin* options found.
865
866         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
867
868         * plugin.c (add_new_plugin): Updated comment, and handle short
869         plugin name.
870         (default_plugin_dir_name): Added new function.
871
872         * common.opt (iplugindir): New option to set the plugin directory.
873
874 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
875
876         * config/i386/i386.md (any_rotate): New code iterator.
877         (rotate_insn): New code attribute.
878         (rotate): Ditto.
879         (SWIM124): New mode iterator.
880         (<rotate_insn>ti3): New expander.
881         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
882         any_rotate code iterator.
883         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
884         using any_rotate code iterator and SWIM124 mode iterator.
885         (ix86_rotlti3): New insn_and_split pattern.
886         (ix86_rotrti3): Ditto.
887         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
888         ix86_rotl{di,ti}3 patterns.
889         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
890         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
891         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
892         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
893         code iterator and SWI mode iterator.
894         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
895         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
896         code iterator.
897         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
898         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
899         (bswap rotatert splitter): Add splitter.
900         (bswap splitter): Macroize splitter using any_rotate code iterator.
901         Add insn predicate to split only for TARGET_USE_XCHGB or when
902         optimizing function for size.
903
904 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
905
906         * config/pa/pa.c (emit_move_sequence): Remove use of
907         deleted variable flag_argument_noalias.
908
909 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
910
911         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
912         configurations.
913         Add to unsupported targets list.
914         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
915         sparc*-sun-solaris2.[567]* from target lists.
916         * configure: Regenerate.
917         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
918         removal.
919         Remove Solaris 7 patch references.
920         (Specific, sparc-sun-solaris2.7): Removed.
921         (sparc-sun-solaris2*): Update Solaris 7 example.
922         (sparc64-*-solaris2*): Likewise.
923
924 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
925
926         * config.build (alpha*-dec-osf4*): Remove.
927         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
928         of obsolete configurations.
929         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
930         support.
931         * config/alpha/t-osf4: Renamed to ...
932         * config/alpha/t-osf5: ... this.
933         * config/alpha/osf.h: Renamed to ...
934         * config/alpha/osf5.h: ... this.
935         Merged old osf5.h contents.
936         Update comments.
937         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
938         (EXTRA_SPECS): Removed.
939         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
940         reflect removal of Tru64 UNIX V4.0/V5.0 support.
941         Document that.
942
943 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
944
945         * doc/contrib.texi (Contributors, Rainer Orth): Update.
946
947 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
948
949         PR/43702
950         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
951         __thiscall convention.
952
953 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
954
955         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
956         orig_base.
957         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
958
959 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
960
961         * function.c (assign_parms_initialize_all): Add unused attribute
962         to fntype.
963
964 2010-04-12  Richard Guenther  <rguenther@suse.de>
965
966         * gsstruct.def (GSS_CALL): New.
967         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
968         * gimple.h: Include tree-ssa-alias.h.
969         (struct gimple_statement_call): New.
970         (union gimple_statement_struct_d): Add gimple_call member.
971         (gimple_call_reset_alias_info): Declare.
972         (gimple_call_use_set): New function.
973         (gimple_call_clobber_set): Likewise.
974         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
975         * gimple.c (gimple_call_reset_alias_info): New function.
976         (gimple_build_call_1): Call it.
977         * lto-streamer-in.c (input_gimple_stmt): Likewise.
978         * tree-inline.c (remap_gimple_stmt): Likewise.
979         (expand_call_inline): Remove callused handling.
980         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
981         * tree-dfa.c (dump_variable): Likewise.
982         * tree-parloops.c (parallelize_loops): Likewise.
983         * tree-ssa.c (init_tree_ssa): Likewise.
984         (delete_tree_ssa): Likewise.
985         * tree-flow-inline.h (is_call_used): Remove.
986         * tree-flow.h (struct gimple_df): Remove callused member.
987         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
988         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
989         (ref_maybe_used_by_call_p_1): Simplify.
990         (call_may_clobber_ref_p_1): Likewise.
991         * tree-ssa-structalias.c (compute_points_to_sets): Set
992         the call stmt used and clobbered sets.
993         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
994         (find_tail_calls): Verify the tail call.
995
996 2010-04-12  Richard Guenther  <rguenther@suse.de>
997
998         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
999         single-iteration always-inline inlining.
1000         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1001         (cgraph_decide_inlining): Do not handle always-inline specially.
1002         (try_inline): Remove always-inline cycle detection special case.
1003         Do not recurse on always-inlines.
1004         (cgraph_early_inlining): Do not iterate if not optimizing.
1005         (cgraph_gate_early_inlining): remove.
1006         (pass_early_inline): Run unconditionally.
1007         (gate_cgraph_decide_inlining): New function.
1008         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1009         not inlining or optimizing.
1010         (cgraph_decide_inlining_of_small_functions): Also consider
1011         always-inline functions.
1012         (cgraph_default_inline_p): Return true for nodes which should
1013         disregard inline limits.
1014         (estimate_function_body_sizes): Assume zero size and time for
1015         nodes which are marked as disregarding inline limits.
1016         (cgraph_decide_recursive_inlining): Do not perform recursive
1017         inlining on always-inline nodes.
1018
1019 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1020
1021         PR bootstrap/43699
1022         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1023         for exprs satisfying handled_component_p.
1024
1025 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1026
1027         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1028         non-constant aggregate elements.
1029
1030         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1031         is a real initialization.
1032
1033 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1034
1035         PR c/36774
1036         * c-decl.c (start_function): Move forward check for nested function.
1037
1038 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1039
1040         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1041         * config/sh/sh.c: Include reload.h.
1042         (sh_legitimize_reload_address): New.
1043         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1044         sh_legitimize_reload_address.
1045
1046 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1047
1048         * config/sh/sh.md (*movqi_pop): New insn pattern.
1049         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1050
1051 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1052
1053         * config/i386/i386.md (any_shiftrt): New code iterator.
1054         (shiftrt_insn): New code attribute.
1055         (shiftrt): Ditto.
1056         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1057         using any_shiftrt code iterator.
1058         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1059         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1060         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1061         pattern from corresponding peephole2 patterns.
1062         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1063         using any_shiftrt code iterator.
1064         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1065         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1066         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1067         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1068         *{ashr,lshr}<mode>3_cmp_zext.
1069         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1070
1071 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1072
1073         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1074         scratch register.
1075         (*lshr<mode>3_cconly): Ditto.
1076
1077 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1078
1079         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1080         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1081         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1082         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1083         DWI mode iterator.
1084         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1085         from corresponding peephole2 patterns.
1086         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1087         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1088         and *lshrdi3_1_rex64 using SWI mode iterator.
1089         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1090         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1091         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1092         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1093         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1094         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1095         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1096         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1097         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1098         SWI mode iterator.
1099
1100 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1101
1102         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1103         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1104         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1105         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1106         DWI mode iterator.
1107         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1108         from corresponding peephole2 patterns.
1109         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1110         (ashrsi3_cvt): Rename from ashrsi3_31.
1111         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1112         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1113         and x86_64_shift_adj_3 using SWI48 mode iterator.
1114         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1115         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1116         and *ashrdi3_1_rex64 using SWI mode iterator.
1117         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1118         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1119         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1120         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1121         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1122         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1123         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1124         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1125         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1126         SWI mode iterator.
1127         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1128         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1129         x86_shift<mode>_adj_3 expanders.
1130
1131 2010-04-10  Wei Guozhi  <carrot@google.com>
1132
1133         PR target/42601
1134         * config/arm/arm.c (arm_pic_static_addr): New function.
1135         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1136         a static symbol.
1137         (arm_output_addr_const_extra): Output expression for new pattern.
1138         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1139
1140 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1141
1142         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1143         not enabled.
1144
1145         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1146         * web.c: Include "insn-config.h" and "recog.h".
1147         (union_match_dups): New function.
1148         (web_main): Call it.
1149         (union_defs): Don't try to recognize match_dups.
1150
1151         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1152         if doing so would replace the entire pattern.
1153
1154 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1155
1156         PR target/43707
1157         PR target/43709
1158         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1159         and splitter pattern.  Change splitter operand 1 predicate to
1160         nonmemory_operand.
1161
1162 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1163
1164         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1165         lattices are addresses of CONST_DECLs with the same initial value.
1166         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1167         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1168
1169 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1170             Bernd Schmidt  <bernds@codesourcery.com>
1171
1172         * loop-invariant.c (replace_uses): New static function.
1173         (move_invariant_reg): Use it to ensure we can replace the uses.
1174
1175 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1176
1177         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1178         function template.
1179         (picochip_override_options): Enable section anchors only above -O1.
1180         (picochip_reorg): Fixed a couple of build warnings.
1181
1182 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1183
1184         * configure.ac (plugin -rdynamic test): Log result.
1185         * configure: Regenerate.
1186         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1187         (RDYNAMIC_SPEC): Define.
1188         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1189
1190 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1191
1192         * configure.ac: Determine Sun ld version numbers.
1193         (comdat_group): Restrict GNU ld version checks to gld.
1194         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1195         (enable_comdat): Support --enable-comdat.
1196         * configure: Regenerate.
1197         * doc/install.texi (Configuration): Document --enable-comdat.
1198
1199 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1200
1201         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1202         * config/sol2-gld.h: ... here.
1203         * config.gcc (sparc*-*-solaris2*): Reflect this.
1204         (i[34567]86-*-solaris2*): Use it.
1205
1206 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1207
1208         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1209         setup_clocks_p.
1210         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1211
1212 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1213
1214         PR 42965
1215         * diagnostic.c (diagnostic_initialize): Initialize
1216         some_warnings_are_errors.
1217         (diagnostic_finish): New.
1218         (diagnostic_action_after_output): Call it before exiting.
1219         (diagnostic_report_diagnostic): Do not print message here. Set
1220         some_warnings_are_errors.
1221         * diagnostic.h (diagnostic_context): Delete
1222         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1223         (diagnostic_finish): Declare.
1224         * toplev.c (toplev_main): Call it before exit.
1225
1226 2010-04-09  Jason Merrill  <jason@redhat.com>
1227
1228         PR c++/42623
1229         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1230         for incomplete type.
1231
1232         PR c++/41788
1233         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1234         based on a warning flag.
1235
1236 2010-04-09  Richard Guenther  <rguenther@suse.de>
1237
1238         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1239
1240 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1241
1242         PR bootstrap/43684
1243         * varasm.c (default_assemble_visibility): Wrap vars that are
1244         set, but unused, by targets without GAS.
1245         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1246         Remove set, but unused, vars.
1247         (rs6000_legitimize_tls_address): Likewise.
1248         (altivec_expand_dst_builtin): Likewise.
1249         * config/darwin.c (machopic_classify_symbol): Likewise.
1250         (machopic_indirection_name): Likewise.
1251
1252 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1253
1254         * config/i386/i386.md (DWI): New mode iterator.
1255         (S): New mode attribute.
1256         (shift_operand): Ditto.
1257         (shift_immediate_operand): Ditto.
1258         (ashl_input_operand): Ditto.
1259         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1260         using SDWIM mode iterator.
1261         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1262         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1263         DWI mode iterator.
1264         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1265         from corresponding peephole2 patterns.
1266         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1267         and x86_64_shift_adj_1 using SWI48 mode iterator.
1268         (x86_shift<mode>_adj_2): Ditto.
1269         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1270         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1271         using SWI48 mode iterator.
1272         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1273         *ashldi3_cmp_rex64 using SWI mode iterator.
1274         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1275         *ashldi3_cconly_rex64 using SWI mode iterator.
1276         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1277         x86_shift<mode>_adj_{1,2}.
1278         (ix86_split_ashr): Ditto.
1279         (ix86_split_lshr): Ditto.
1280
1281 2010-04-09  Richard Guenther  <rguenther@suse.de>
1282
1283         * target.h (builtin_conversion): Pass in input and output types.
1284         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1285         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1286         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1287         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1288
1289         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1290         Handle AVX modes.
1291         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1292
1293 2010-04-09  Richard Guenther  <rguenther@suse.de>
1294
1295         PR target/43152
1296         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1297
1298 2010-04-09  Richard Guenther  <rguenther@suse.de>
1299
1300         * tree-vectorizer.h (struct _stmt_vec_info): Document
1301         that vectype is the type of the LHS.
1302         (supportable_widening_operation, supportable_narrowing_operation):
1303         Get both input and output vector types as arguments.
1304         (vect_is_simple_use_1): Declare.
1305         (get_same_sized_vectype): Likewise.
1306         * tree-vect-loop.c (vect_determine_vectorization_factor):
1307         Set STMT_VINFO_VECTYPE to the vector type of the def.
1308         (vectorizable_reduction): Adjust.
1309         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1310         Adjust.  Specify the output vector type.
1311         (vect_pattern_recog_1): Adjust.
1312         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1313         (vectorizable_call): Adjust.
1314         (vectorizable_conversion): Likewise.
1315         (vectorizable_operation): Likewise.
1316         (vectorizable_type_demotion): Likewise.
1317         (vectorizable_type_promotion): Likewise.
1318         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1319         the def.
1320         (vect_is_simple_use_1): New function.
1321         (supportable_widening_operation): Get both input and output
1322         vector types.
1323         (supportable_narrowing_operation): Likewise.
1324         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1325
1326 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1327
1328         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1329         __thiscall and _thiscall as predefined macros.
1330         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1331         thiscall attribute handling.
1332         (ix86_comp_type_attributes): Likewise.
1333         (ix86_function_regparm): Likewise.
1334         (ix86_return_pops_args): Likewise.
1335         (init_cumulative_args): Likewise.
1336         (find_drap_reg): Likewise.
1337         (ix86_static_chain): Likewise.
1338         (x86_this_parameter): Likewise.
1339         (x86_output_mi_thunk): Likewise.
1340         (ix86_attribute_table): Add description for thiscall attribute.
1341         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1342         * doc/extend.texi: Add documentation for thiscall.
1343
1344 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1345
1346         PR c++/28584
1347         * c.opt (Wint-to-pointer-cast): Available in C++.
1348         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1349
1350 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1351
1352         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1353         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1354         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1355         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1356         function type instead.  Reorder and simplify checks.
1357
1358         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1359
1360 2010-04-08  Jing Yu  <jingyu@google.com>
1361             Zdenek Dvorak  <ook@ucw.cz>
1362
1363         PR tree-optimization/42720
1364         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1365         loop unswitch conditions here from ...
1366         (tree_unswitch_single_loop): ... here.
1367
1368 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1369
1370         * tree-if-conv.c: Fix comments and simplify logic.
1371
1372 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1375         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1376         (main_tree_if_conversion): Update call to tree_if_conversion.
1377
1378 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1379
1380         PR 42485
1381         * doc/invoke.texi (-b,-V): Delete.
1382         * doc/tm.texi: Do not mention -b.
1383         * gcc.c (display_help): Delete -b and -V.
1384         (process_command): Delete -b and -V.
1385         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1386
1387 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1388             Wolfgang Gellerich  <gellerich@de.ibm.com>
1389
1390         Implement target hook for loop unrolling
1391         * target.h (loop_unroll_adjust): Add a new target hook function.
1392         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1393         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1394         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1395         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1396         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1397         target hook.
1398         (decide_unroll_stupid): Likewise.
1399
1400 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1401
1402         PR target/43643
1403         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1404
1405 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1406
1407         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1408         (Specific, *-*-solaris2*): Likewise.
1409         Don't prefer Sun as over GNU as.
1410
1411 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1412
1413         * config/s390/s390.c (override_options): Adjust the z10
1414           defaults for max-unroll-times, max-completely-peeled-insns
1415           and max-completely-peel-times.
1416
1417 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1418
1419         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1420         instructions for z10.
1421         (s390_expand_setmem): Likewise.
1422         (s390_expand_cmpmem): Likewise.
1423
1424 2010-04-08  Richard Guenther  <rguenther@suse.de>
1425
1426         PR tree-optimization/43679
1427         * tree-ssa-pre.c (eliminate): Only propagate copies.
1428
1429 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1430
1431         PR bootstrap/43681
1432         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1433         set but not used variable warning.
1434
1435 2010-04-08  Wei Guozhi  <carrot@google.com>
1436
1437         PR target/41653
1438         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1439         (arm_size_rtx_costs): Call the new function when optimized for size.
1440
1441 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1442
1443         PR debug/43670
1444         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1445         op0 is not a MEM, just return NULL instead of assertion
1446         failure.
1447         (discover_nonconstant_array_refs): Don't walk debug stmts.
1448
1449 2010-04-08  Doug Kwan  <dougkwan@google.com>
1450
1451         * configure.ac: Recognize gold and do not use its version number
1452         to test ld features.
1453         * configure: Regenerate.
1454
1455 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1456
1457         PR middle-end/40815
1458         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1459         (negate_value): Move code to push elements to broken_up_substracts ...
1460         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1461         negative pair to plus_negates.
1462         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1463
1464 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1465
1466         * doc/install.texi (Configuration): Move description of
1467         --enable-lto, --with-libelf*, --enable-gold from Java section to
1468         general section.
1469
1470         * doc/generic.texi (Working with declarations)
1471         (Function Properties, C and C++ Trees): Fix typos.
1472         * doc/sourcebuild.texi (Top Level): Likewise.
1473
1474 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1475
1476         PR c/18624
1477         * tree.h (DECL_READ_P): Define.
1478         (struct tree_decl_common): Add decl_read_flag.
1479         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1480         a set but not used warning.
1481         (merge_decls): Merge DECL_READ_P flag.
1482         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1483         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1484         * c-common.c (handle_used_attribute, handle_unused_attribute):
1485         Likewise.
1486         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1487         New prototypes.
1488         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1489         New functions.
1490         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1491         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1492         c_parser_binary_expression, c_parser_cast_expression,
1493         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1494         Call default_function_array_read_conversion instead of
1495         default_function_array_conversion where needed.
1496         (c_parser_unary_expression, c_parser_conditional_expression,
1497         c_parser_postfix_expression_after_primary, c_parser_initelt):
1498         Likewise.  Call mark_exp_read where needed.
1499         (c_parser_statement_after_labels, c_parser_asm_operands,
1500         c_parser_typeof_specifier, c_parser_sizeof_expression,
1501         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1502         where needed.
1503         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1504         New.
1505         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1506         (warn_unused_but_set_parameter): Default to warn_unused
1507         && extra_warnings.
1508         * doc/invoke.texi: Document -Wunused-but-set-variable and
1509         -Wunused-but-set-parameter.
1510
1511         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1512         used count variable.
1513         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1514         when operandN variables aren't used in the body of the expander
1515         or splitter.
1516         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1517         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1518         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1519         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1520         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1521         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1522         * tree.c (PROCESS_ARG): Likewise.
1523
1524 2010-04-07  Simon Baldwin  <simonb@google.com>
1525
1526         * diagnostic.h (diagnostic_override_option_index): New macro to
1527         set a diagnostic's option_index.
1528         * c-tree.h (c_cpp_error): Add warning reason argument.
1529         * opts.c (_warning_as_error_callback): New.
1530         (register_warning_as_error_callback): Store callback for
1531         warnings enabled via enable_warning_as_error.
1532         (enable_warning_as_error): Call callback, minor code tidy.
1533         * opts.h (register_warning_as_error_callback): Declare.
1534         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1535         response to -Werror=.
1536         (c_common_init_options): Register warning_as_error_callback in opts.c.
1537         * common.opt: Add -Wno-cpp option.
1538         * c-common.c (struct reason_option_codes_t): Map cpp warning
1539         reason codes to gcc option indexes.
1540         * (c_option_controlling_cpp_error): New function, lookup the gcc
1541         option index for a cpp warning reason code.
1542         * (c_cpp_error): Add warning reason argument, call
1543         c_option_controlling_cpp_error for diagnostic_override_option_index.
1544         * doc/invoke.texi: Document -Wno-cpp.
1545
1546 2010-04-07  Richard Guenther  <rguenther@suse.de>
1547
1548         * ipa-reference.c (mark_load): Use get_base_address.
1549         (mark_store): Likewise.
1550
1551         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1552         inserting GIMPLE_NOPs into the IL.
1553         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1554         Explicitly strip handled components and indirect references.
1555
1556         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1557         folding address expressions.
1558         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1559         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1560         operand_equal_p to compare decls.
1561         (ptr_deref_may_alias_decl_p): Likewise.
1562         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1563         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1564         Handle reversed comparison ops.
1565         * tree-sra.c (asm_visit_addr): Use get_base_address.
1566         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1567         * ipa-reference.c (mark_address): Use get_base_address.
1568
1569 2010-04-07  Richard Guenther  <rguenther@suse.de>
1570
1571         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1572         Propagate constants everywhere.
1573
1574 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1575
1576         PR debug/43516
1577         * tree.c (MAX_INT_CACHED_PREC): Define.
1578         (nonstandard_integer_type_cache): New array.
1579         (build_nonstandard_integer_type): Cache results for precision
1580         <= MAX_INT_CACHED_PREC.
1581
1582 2010-04-07  Richard Guenther  <rguenther@suse.de>
1583
1584         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1585         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1586         * common.opt: Likewise.
1587         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1588         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1589         (nonoverlapping_memrefs_p): Likewise.
1590         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1591         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1592         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1593         OPT_fargument_noalias_global for backward compatibility.
1594
1595 2010-04-07  Richard Guenther  <rguenther@suse.de>
1596
1597         PR tree-optimization/43270
1598         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1599         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1600         * tree-ssa-pre.c (phi_translate_1): Adjust.
1601         (fully_constant_expression): Split out vn_reference handling to ...
1602         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1603         Fold reads from constant strings.
1604         (vn_reference_lookup): Handle fully constant references.
1605         (vn_reference_lookup_pieces): Likewise.
1606         * Makefile.in (expmed.o-warn): Add -Wno-error.
1607
1608 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1609
1610         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1611
1612 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1613
1614         PR driver/41594
1615         * gcc.c: Add -static-libstdc++ to list of recognized options.
1616
1617 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1618
1619         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1620
1621 2010-04-07  Richard Guenther  <rguenther@suse.de>
1622
1623         PR middle-end/42617
1624         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1625         bases build simple mem attributes to retain points-to information.
1626
1627 2010-04-07  Richard Guenther  <rguenther@suse.de>
1628
1629         PR middle-end/42617
1630         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1631         preserve points-to related information.
1632
1633 2010-04-07  Richard Guenther  <rguenther@suse.de>
1634
1635         PR middle-end/42617
1636         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1637         discard plain indirect references.
1638         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1639         * tree.c (tree_nop_conversion): Likewise.
1640
1641 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1642
1643         PR debug/43628
1644         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1645
1646 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1647
1648         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1649         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1650
1651 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1652
1653         * tree-if-conv.c: Fix indentation and comments.
1654
1655 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1656
1657         * tree-if-conv.c: Sort static functions in topological order.
1658
1659 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1660
1661         * tree-if-conv.c: Fix indentation and comments.
1662
1663 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         PR middle-end/43519
1666         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1667         lang_hooks.types.type_for_size instead of
1668         build_nonstandard_integer_type.
1669         When converting an unsigned type to signed, double its precision.
1670         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1671         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1672         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1673         use lb <= ub.
1674
1675 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1676
1677         PR middle-end/43519
1678         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1679         POINTER_PLUS_EXPR for pointer types.
1680
1681 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1682
1683         PR middle-end/43519
1684         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1685         * graphite-clast-to-gimple.c: Include langhooks.h.
1686         (max_signed_precision_type): New.
1687         (max_precision_type): Takes two types as arguments.
1688         (precision_for_value): New.
1689         (precision_for_interval): New.
1690         (gcc_type_for_interval): New.
1691         (gcc_type_for_value): New.
1692         (gcc_type_for_clast_term): New.
1693         (gcc_type_for_clast_red): New.
1694         (gcc_type_for_clast_bin): New.
1695         (gcc_type_for_clast_expr): Split up into several functions.
1696         (gcc_type_for_clast_eq): Rewritten.
1697         (compute_bounds_for_level): New.
1698         (compute_type_for_level_1): New.
1699         (compute_type_for_level): New.
1700         (gcc_type_for_cloog_iv): Removed.
1701         (gcc_type_for_iv_of_clast_loop): Rewritten.
1702         (graphite_create_new_loop): Compute the lower and upper bound types
1703         with gcc_type_for_clast_expr.
1704         (graphite_create_new_loop_guard): Same.
1705         (find_cloog_iv_in_expr): Removed.
1706         (compute_cloog_iv_types_1): Removed.
1707         (compute_cloog_iv_types): Removed.
1708         (gloog): Do not call compute_cloog_iv_types.
1709         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1710         GBB_CLOOG_IV_TYPES.
1711         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1712         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1713         (GBB_CLOOG_IV_TYPES): Removed.
1714
1715 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1716
1717         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1718         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1719         (detect_commutative_reduction): Same.
1720
1721 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1722
1723         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1724         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1725         argument.
1726         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1727         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1728         (rewrite_commutative_reductions_out_of_ssa): Same.
1729         * passes.c (execute_function_todo): Call verify_ssa for every pass
1730         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1731         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1732         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1733         with an extra argument.
1734         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1735         verify_ssa only when the extra argument is true.
1736         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1737         with an extra argument.
1738         (tree_transform_and_unroll_loop): Same.
1739
1740 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1741
1742         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1743         for all the passes of the LNO having LOOP_CLOSED_SSA.
1744         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1745         * tree-loop-distribution.c (pass_loop_distribution): Same.
1746         * tree-pass.h (TODO_verify_loops): Removed.
1747         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1748         (pass_lim): Same.
1749         (pass_tree_unswitch): Same.
1750         (pass_predcom): Same.
1751         (pass_vectorize): Same.
1752         (pass_linear_transform): Same.
1753         (pass_graphite_transforms): Same.
1754         (pass_iv_canon): Same.
1755         (pass_complete_unroll): Same.
1756         (pass_complete_unrolli): Same.
1757         (pass_parallelize_loops): Same.
1758         (pass_loop_prefetch): Same.
1759         (pass_iv_optimize): Same.
1760
1761 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1762
1763         PR middle-end/32824
1764         * passes.c (init_optimization_passes): Move pass_lim before
1765         pass_copy_prop and pass_dce_loop.
1766
1767 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1768
1769         PR target/43667
1770         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1771         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1772         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1773         MULTI_* defines for 4 argument vpermil2p* builtins.
1774
1775 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1776
1777         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1778         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1779         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1780         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1781         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1782         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1783         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1784         Use x86_maybe_negate_const_int to output insn mnemonic.
1785         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1786         check from instruction predicate.  Update comments.
1787         * config/i386/sync.md (sync_add<mode>): Use
1788         x86_maybe_negate_const_int to output insn mnemonic.
1789
1790 2010-04-06  Jan Hubicka  <jh@suse.cz>
1791
1792         PR tree-optimization/42906
1793         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1794         IGNORE_SELF argument.  Set visited_control_parents for fully
1795         processed BBs.
1796         (find_obviously_necessary_stmts): Update call of
1797         mark_control_dependent_edges_necessary.
1798         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
1799
1800 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1801
1802         * config/i386/i386.md: Remove comment about 'e' and 'E'
1803         operand modifier.
1804
1805 2010-04-06  Richard Guenther  <rguenther@suse.de>
1806
1807         PR tree-optimization/43627
1808         * tree-vrp.c (extract_range_from_unary_expr): Widenings
1809         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1810         not varying.
1811
1812 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1813
1814         * BASE-VER: Change to 4.6.0.
1815
1816         PR target/43638
1817         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1818         handling.
1819
1820 2010-04-06  Richard Guenther  <rguenther@suse.de>
1821
1822         PR middle-end/43661
1823         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1824
1825 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1826
1827         * doc/invoke.texi (Optimize Options): Document that LTO
1828         won't remove object access purely due to incompatible
1829         declarations.
1830
1831 2010-04-04  Matthias Klose  <doko@ubuntu.com>
1832
1833         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1834         Initialize variable.
1835
1836 2010-04-03  Richard Guenther  <rguenther@suse.de>
1837
1838         PR middle-end/42509
1839         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1840         require a non-NULL MEM_OFFSET.
1841
1842 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
1843
1844         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1845         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1846         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1847         config/alpha/predicates.md, config/arm/arm.md,
1848         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1849         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1850         config/darwin9.h, config/darwin.c, config/darwin.h,
1851         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1852         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1853         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1854         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1855         config/mips/mips.md, config/mn10300/mn10300.c,
1856         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1857         config/rs6000/aix.h, config/rs6000/dfp.md,
1858         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1859         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1860         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1861         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1862         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1863         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1864         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1865         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1866         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1867         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1868         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1869         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1870         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1871         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1872         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1873         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1874         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1875         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1876         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1877         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1878         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1879         opt-functions.awk, opth-gen.awk, params.def, passes.c,
1880         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1881         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1882         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1883         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1884         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1885         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1886         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1887         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1888         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1889         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1890         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1891         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1892         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1893         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1894
1895 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1896
1897         PR other/43620
1898         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1899         * aclocal.m4: Regenerate.
1900
1901 2010-04-02  Richard Guenther  <rguenther@suse.de>
1902
1903         PR tree-optimization/43629
1904         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1905         if we have seen a constant value.
1906
1907 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
1908
1909         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1910
1911 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
1912
1913         PR target/43469
1914         * arm.c (legitimize_tls_address): Adjust call to
1915         gen_tls_load_dot_plus_four.
1916         (arm_note_pic_base): New function.
1917         (arm_cannot_copy_insn_p): Use it.
1918         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1919         constraint.
1920
1921 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1922
1923         PR bootstrap/43531
1924
1925         Revert:
1926         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1927
1928         * Makefile.in ($(out_object_file)): Depend on
1929         gt-$(basename $(notdir $(out_file))).h.
1930
1931 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
1932
1933         * config.gcc (lm32-*-rtems*): Add t-lm32.
1934
1935 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
1936
1937         * config.gcc: Add lm32-*-rtems*.
1938         * config/lm32/rtems.h: New file.
1939
1940 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
1941
1942         PR target/42609
1943         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1944
1945 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
1946
1947         * dwarf2out.c (output_compilation_unit_header): For
1948         -gdwarf-4 use version 4 instead of version 3.
1949         (output_line_info): For version 4 and above emit additional
1950         maximum ops per insn header field.
1951         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1952
1953         * dwarf2out.c (is_c_family, is_java): Remove.
1954         (lower_bound_default): New function.
1955         (add_bound_info, gen_descr_array_type_die): Use it.
1956
1957 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
1958
1959         PR debug/43325
1960         * dwarf2out.c (gen_variable_die): Allow debug info for variable
1961         re-declaration when it happens in a function.
1962
1963 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
1964
1965         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1966         (cgraph_remove_function_insertion_hook): Same.
1967         (cgraph_call_function_insertion_hooks): Same.
1968
1969 2010-04-01  Richard Guenther  <rguenther@suse.de>
1970
1971         PR middle-end/43614
1972         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1973         and TREE_THIS_VOLATILE.
1974         (copy_ref_info): Likewise.
1975         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1976         * tree.c (build6_stat): Ignore side-effects of all but arg5
1977         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
1978         TARGET_MEM_REF.
1979
1980 2010-04-01  Richard Guenther  <rguenther@suse.de>
1981
1982         PR tree-optimization/43607
1983         * ipa-type-escape.c (check_call): Do not access non-existing
1984         arguments.
1985
1986 2010-04-01  Richard Guenther  <rguenther@suse.de>
1987
1988         PR middle-end/43602
1989         Revert
1990         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
1991                     Jack Howarth <howarth@bromo.med.uc.edu>
1992
1993         * tree-profile.c (tree_init_ic_make_global_vars): Make static
1994         variables TLS.
1995
1996 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1997
1998         * doc/install.texi (Prerequisites): Document libelf usability on
1999         IRIX 5/6 and Solaris 2.
2000         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2001         Update GNU as, GNU ld requirements.
2002         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2003         Document Sun Studio compiler download.
2004         Update and simplify as, ld recommendations.
2005         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2006
2007 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2008
2009         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2010         with_tune_32 to pentium4.
2011
2012 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2013
2014         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2015
2016 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2017
2018         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2019         obsoletion, removal.
2020         Update IDO URL.
2021         Document GNU as requirement.
2022         Update configure requirements.
2023         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2024         Recomment IRIX 6.5.18+.
2025         Document IDF/IDL requirement.
2026         Document GNU as requirement.
2027         Document GNU ld bootstrap failure.
2028         Remove freeware.sgi.com reference.
2029
2030 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2031
2032         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2033         UNIX V4.0, V5.0 obsoletion, removal.
2034         Remove --with-gc=simple reference.
2035         Update VM requirements during bootstrap.
2036         Remove -oldas bootstrap description.
2037         Update binutils reference.
2038         Remove comparison failure note.
2039
2040 2010-03-31  Richard Guenther  <rguenther@suse.de>
2041             Zdenek Dvorak  <ook@ucw.cz>
2042             Sebastian Pop  <sebastian.pop@amd.com>
2043
2044         PR middle-end/43464
2045         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2046         with multiple arguments.
2047         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2048
2049 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2050
2051         * graphite-dependences.c (print_pddr): Call print_pdr with an
2052         extra argument.
2053         * graphite-poly.c (debug_pdr): Add an extra argument for the
2054         verbosity level.
2055         (print_pdr): Same.
2056         (print_pbb_domain): Same.
2057         (print_pbb): Same.
2058         (print_scop_context): Same.
2059         (print_scop): Same.
2060         (print_cloog): Same.
2061         (debug_pbb_domain): Same.
2062         (debug_pbb): Same.
2063         (print_pdrs): Same.
2064         (debug_pdrs): Same.
2065         (debug_scop_context): Same.
2066         (debug_scop): Same.
2067         (debug_cloog): Same.
2068         (print_scop_params): Same.
2069         (debug_scop_params): Same.
2070         (print_iteration_domain): Same.
2071         (print_iteration_domains): Same.
2072         (debug_iteration_domain): Same.
2073         (debug_iteration_domains): Same.
2074         (print_scattering_function): Same.
2075         (print_scattering_functions): Same.
2076         (debug_scattering_function): Same.
2077         (debug_scattering_functions): Same.
2078         * graphite-poly.h (debug_pdr): Update declaration.
2079         (print_pdr): Same.
2080         (print_pbb_domain): Same.
2081         (print_pbb): Same.
2082         (print_scop_context): Same.
2083         (print_scop): Same.
2084         (print_cloog): Same.
2085         (debug_pbb_domain): Same.
2086         (debug_pbb): Same.
2087         (print_pdrs): Same.
2088         (debug_pdrs): Same.
2089         (debug_scop_context): Same.
2090         (debug_scop): Same.
2091         (debug_cloog): Same.
2092         (print_scop_params): Same.
2093         (debug_scop_params): Same.
2094         (print_iteration_domain): Same.
2095         (print_iteration_domains): Same.
2096         (debug_iteration_domain): Same.
2097         (debug_iteration_domains): Same.
2098         (print_scattering_function): Same.
2099         (print_scattering_functions): Same.
2100         (debug_scattering_function): Same.
2101         (debug_scattering_functions): Same.
2102
2103 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2104
2105         * graphite-poly.c (print_scattering_function_1): New.
2106         (print_scattering_function): Call it.
2107         (print_scop_params): Remove spaces at the end of lines.
2108         (print_cloog): New.
2109         (debug_cloog): New.
2110         * graphite-poly.h (print_cloog): Declared.
2111         (debug_cloog): Declared.
2112
2113 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2114
2115         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2116         in loop->header.
2117         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2118         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2119         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2120         to switch between adding the IV bump in loop->latch or in loop->header.
2121
2122 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2123
2124         * graphite-poly.c (print_scattering_function): Pretty print following
2125         the scoplib format.
2126         (print_pdr): Same.
2127         (print_pbb_domain): Same.
2128         (dump_gbb_cases): Same.
2129         (dump_gbb_conditions): Same.
2130         (print_pdrs): Same.
2131         (print_pbb): Same.
2132         (print_scop_params): Same.
2133         (print_scop_context): Same.
2134         (print_scop): Same.
2135         (print_pbb_body): New.
2136         (lst_indent_to): New.
2137         (print_lst): Start new lines with a #.
2138         * graphite-poly.h (pbb_bb): New.
2139         (pbb_index): Use pbb_bb.
2140         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2141         disjuncts.
2142         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2143
2144 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2145
2146         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2147         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2148         and 0 instead of 1 for dw_val_class_flag.
2149         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2150         dw_val_class_range_list, dw_val_class_loc_list,
2151         dw_val_class_lineptr and dw_val_class_macptr, use
2152         DW_FORM_flag_present for dw_val_class_flag and
2153         DW_FORM_exprloc for dw_val_class_loc.
2154         (output_die): For -gdwarf-4 print dw_val_class_loc
2155         size as uleb128 instead of 1 or 2 bytes and don't print
2156         anything for dw_val_class_flag.
2157
2158         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2159         instead of cselib_lookup following by tweaking locs->setting_insn.
2160
2161         PR bootstrap/43596
2162         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2163         even before returning from label, setjmp call or volatile asm
2164         handling.
2165
2166 2010-03-31  Richard Guenther  <rguenther@suse.de>
2167
2168         PR middle-end/43600
2169         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2170         temporary data on stack.
2171
2172 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2173
2174         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2175         (PUSHSECTION_ASM_OP): Remove.
2176         (POPSECTION_ASM_OP): Remove.
2177         (PUSHSECTION_FORMAT): Remove.
2178         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2179         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2180         * config/sol2.c (solaris_output_init_fini): Use it.
2181
2182 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2183
2184         PR 43574
2185         * opt-functions.awk (var_type_struct): Use signed char type
2186         for simple variables.
2187
2188 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2189
2190         * config/sol2.c: Include output.h.
2191         (solaris_assemble_visibility): New function.
2192         * config/t-sol2 (sol2.o): Add output.h dependency.
2193         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2194         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2195         Redefine.
2196
2197 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2198
2199         PR target/43580
2200         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2201         V2SImode or XFmode on PRE_DEC.
2202
2203         PR debug/43557
2204         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2205         BLKmode.
2206
2207 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2208
2209         PR 43562
2210         * reload.h (caller_save_initialized_p): Declare.
2211         * toplev.c (backend_init_target): Don't call
2212         init_caller_save but set caller_save_initialized_p to false.
2213         * caller-save.c (caller_save_initialized_p): Define.
2214         (init_caller_save): Check caller_save_initialized_p.
2215         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2216
2217 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2218
2219         PR target/39048
2220         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2221         and soft-fp/t-softfp to tmake_file.
2222         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2223         (LIBGCC2_TF_CEXT): Define.
2224         (TF_SIZE): Define.
2225
2226 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2227
2228         PR debug/42977
2229         * cselib.c (n_useless_values): Document handling of debug locs.
2230         (n_useless_debug_values, n_debug_values): New variables.
2231         (new_elt_loc_list): Don't add to debug values, keep count.
2232         (promote_debug_loc): New.
2233         (cselib_reset_table): Zero new variables.
2234         (entry_and_rtx_equal_p): Promote debug locs.
2235         (discard_useless_locs): Increment n_useless_debug_values for
2236         debug values.
2237         (remove_useless_values): Adjust n_useless_values and n_debug_values
2238         with n_useless_debug_values.
2239         (add_mem_for_addr): Promote debug locs.
2240         (cselib_lookup_mem): Likewise.
2241         (cselib_lookup_addr): Renamed to...
2242         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2243         (cselib_log_lookup): ... this.  Turn into...
2244         (cselib_lookup_addr): ... new wrapper.
2245         (cselib_lookup_from_insn): New.
2246         (cselib_invalidate_regno): Increment n_useless_debug_values for
2247         debug values.
2248         (cselib_invalidate_mem): Likewise.
2249         (cselib_process_insn): Take n_deleted and n_debug_values into
2250         account to guard remove_useless_value call.
2251         (cselib_finish): Zero n_useless_debug_values.
2252         * cselib.h (cselib_lookup_from_insn): Declare.
2253         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2254         (sched_analyze_2): Likewise.
2255
2256 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2257
2258         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2259         functions.
2260         (adjust_mems): Replace narrowing SUBREG of expression containing
2261         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2262         with operations in the narrower mode.
2263
2264         PR debug/43593
2265         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2266         regs_invalidated_by_call instead all call_used_reg_set registers.
2267
2268 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2269
2270         PR middle-end/43430
2271         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2272         pointer comparisons with types_compatible_p.
2273         * tree-vect-stmts.c (vectorizable_call): Same.
2274         (vectorizable_condition): Same.
2275
2276 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2277
2278         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2279         stack check if the mask would be zero.
2280
2281 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2282             Jack Howarth <howarth@bromo.med.uc.edu>
2283
2284         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2285         variables TLS.
2286
2287 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2288
2289         PR other/25232
2290         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2291         and __unordtf2.
2292         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2293         Include ___unordxf2 and ___unordtf2.
2294         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2295         GCC_4.4.0 here.
2296
2297 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2298
2299         * config/lm32/t-lm32: New file.
2300         * config.gcc: Use the above file when targetting lm32.
2301
2302 2010-03-28  Duncan Sands  <baldrick@free.fr>
2303
2304         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2305
2306 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2307
2308         PR middle-end/43431
2309         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2310         Improve vectorization cost model diagnostic.
2311
2312 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2313
2314         PR middle-end/43436
2315         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2316         compute_data_dependences_for_loop returns false, early exit
2317         and output an extra diagnostic for the failed data reference
2318         analysis.
2319
2320 2010-03-29  Richard Guenther  <rguenther@suse.de>
2321
2322         PR tree-optimization/43560
2323         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2324         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2325
2326 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2327
2328         PR 43564
2329         * toplev.c (process_options): Set optimization_default_node
2330         and optimization_current_node.
2331         * opts.c (decode_options): Don't set optimization_default_node
2332         and optimization_current_node.
2333
2334 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2335
2336         * config/rtems.h: Abandon -qrtems_debug.
2337
2338 2010-03-28  Jan Hubicka  <jh@suse.cz>
2339
2340         PR tree-optimization/43505
2341         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2342         map should not be copied.
2343
2344 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2345
2346         PR middle-end/41674
2347         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2348         cdtors, set DECL_PRESERVE_P.
2349         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2350         should be preseved.
2351
2352 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2353
2354         PR tree-optimization/43528
2355         * stor-layout.c (place_field): Check that constant fits into
2356         unsigned HWI when skipping calculation of MS bitfield layout.
2357
2358 2010-03-27  Jan Hubicka  <jh@suse.cz>
2359
2360         PR middle-end/43391
2361         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2362         notice_global_symbol work.
2363
2364 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2365
2366         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2367         instead of dwarf2out_decl.
2368         (struct var_loc_node): Remove section_label field.
2369         (dwarf2out_function_decl): New function.
2370         (dwarf2out_var_location): Don't set section_label field.
2371         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2372
2373 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2374
2375         PR tree-optimization/43544
2376         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2377         First argument for builtin vectorized function hook is now a
2378         tree to be able to distinguish between machine specific and
2379         standard builtins.
2380         * targhooks.c (default_builtin_vectorized_function): Ditto.
2381         * targhooks.h (default_builtin_vectorized_function): Ditto.
2382         * target.h (struct gcc_target): Ditto.
2383         * tree-vect-stmts.c (vectorizable_function): Ditto.
2384         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2385         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2386         Ditto.
2387
2388 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2389
2390         PR c/43381
2391         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2392         nested binding iff it is a FUNCTION_DECL.
2393         (store_parm_decls_newstyle): Pass nested=true to bind for
2394         FUNCTION_DECLs amongst parameters.
2395
2396 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2397
2398         * var-tracking.c (vt_expand_loc_callback): Don't run
2399         cselib_expand_value_rtx_cb in dummy mode if
2400         cselib_dummy_expand_value_rtx_cb returned false.
2401
2402         * var-tracking.c (emit_note_insn_var_location): For one part
2403         notes with offset 0, don't add EXPR_LIST around the location.
2404         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2405         add_location_or_const_value_attribute): Adjust for that change.
2406
2407         PR debug/43540
2408         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2409         into first operand and location into second.
2410         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2411         dw_cfi_oprnd_loc for DW_CFA_expression.
2412         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2413         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2414         assume first argument is regnum and second argument is location.
2415
2416 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2417
2418         PR target/42113
2419         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2420         of scratch register to DImode.  Split to DImode comparison operator.
2421         Use SImode subreg of scratch register in the multiplication.
2422         (*cmp_sadd_sidi): Ditto.
2423         (*cmp_ssub_si): Ditto.
2424         (*cmp_ssub_sidi): Ditto.
2425
2426 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2427
2428         PR target/43524
2429         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2430         Remove invalid assert and wrong comment.
2431
2432 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2433
2434         PR debug/43516
2435         * flags.h (final_insns_dump_p): New extern.
2436         * final.c (final_insns_dump_p): New variable.
2437         (rest_of_clean_state): Set it before -fdump-final-insns=
2438         dumping, clear afterwards.
2439         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2440         MEM_ALIAS_SET on MEMs.
2441
2442 2010-03-26  David S. Miller  <davem@davemloft.net>
2443
2444         * configure.ac: Fix sparc GOTDATA_OP bug check.
2445         * configure: Rebuild.
2446
2447 2010-03-26  Alan Modra  <amodra@gmail.com>
2448
2449         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2450
2451 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2452
2453         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2454         TLS_SECTION_ASM_FLAG.
2455
2456 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2457
2458         PR bootstrap/43511
2459         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2460         Clear first_function_block_is_cold.
2461
2462         PR c/43385
2463         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2464         argument if the argument is truth_value_p.
2465
2466 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2467
2468         * config/rs6000/constraints.md: Update copyright year for my changes.
2469
2470         PR target/43484
2471         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2472         used in reg+reg addressing, swap registers.
2473
2474 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2475
2476         PR debug/43293
2477         * target.h (struct gcc_target): Add code_end hook.
2478         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2479         if not yet defined.
2480         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2481         * toplev.c (compile_file): Call targetm.asm_out.code_end
2482         hook before unwind info/debug info output.
2483         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2484         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2485         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2486         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2487         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2488         * config/i386/i386.c (ix86_file_end): Renamed to...
2489         (ix86_code_end): ... this.  Make static.  Don't call
2490         file_end_indicate_exec_stack.  Emit unwind info using
2491         final_start_function/final_end_function.
2492         (darwin_x86_file_end): Remove.
2493         (TARGET_ASM_CODE_END): Define.
2494         * config/i386/i386.h (TARGET_ASM_FILE_END,
2495         NEED_INDICATE_EXEC_STACK): Don't define.
2496         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2497         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2498         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2499         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2500
2501         PR target/43498
2502         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2503         at the beginning and final_end_function at the end.
2504         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2505
2506 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2507
2508         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2509         and Sun as TLS syntax.
2510         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2511         * configure: Regenerate.
2512         * config.in: Regenerate.
2513         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2514         (default_elf_asm_named_section): Use it.
2515         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2516         (i386_output_dwarf_dtprel): Likewise.
2517         (output_addr_const_extra): Likewise.
2518         (output_pic_addr_const): Lowercase @GOTTPOFF.
2519         (output_addr_const_extra): Likewise.
2520         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2521         (output_addr_const_extra): Likewise.
2522         (output_pic_addr_const): Lowercase @INDNTPOFF.
2523         (output_addr_const_extra): Likewise.
2524         (output_pic_addr_const): Lowercase @NTPOFF.
2525         (output_addr_const_extra): Likewise.
2526         (output_pic_addr_const): Lowercase @TPOFF.
2527         (output_addr_const_extra): Likewise.
2528         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2529         (*tls_global_dynamic_64): Likewise.
2530         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2531         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2532
2533         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2534         (ASM_OUTPUT_TLS_COMMON): Use it.
2535         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2536
2537         PR target/38118
2538         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2539         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2540         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2541         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2542         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2543         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2544
2545 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2546
2547         * config/i386/i386.c (override_options): Don't accept
2548         -mtls-dialect=sun any longer.
2549         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2550         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2551         (*tls_local_dynamic_base_32_sun): Likewise.
2552         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2553
2554 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2555
2556         PR debug/43508
2557         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2558         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2559
2560         PR debug/43479
2561         * ira.c (adjust_cleared_regs): New function.
2562         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2563
2564         PR debug/19192
2565         PR debug/43479
2566         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2567         from gimple_block.
2568         * expr.c (expand_expr_real): Restore previous
2569         curr_insn_source_location and curr_insn_block after
2570         expand_expr_real_1 call.
2571         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2572         instead of expand_expr_real_1.
2573
2574 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2575
2576         PR rtl-optimization/43413
2577         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2578         hard regs too.
2579
2580 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2581
2582         PR target/43348
2583         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2584         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2585
2586 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2587
2588         * config/i386/i386.c (ix86_target_string): Add -mfma.
2589         Fix a typo in comment.
2590
2591 2010-03-22  Mike Stump  <mikestump@comcast.net>
2592
2593         PR target/23071
2594         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2595         Don't overly align based upon packed packed fields.
2596
2597 2010-03-22  Jason Merrill  <jason@redhat.com>
2598
2599         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2600         Use () rather than [], and move before the element type.
2601
2602 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2603
2604         * doc/configfiles.texi (Configuration Files): Removed
2605         fixinc/Makefile*, intl/Makefile.*.
2606         * doc/makefile.texi: Fixed markup. Abstract from version
2607         control system used.
2608         (Makefile): Removed obsolete gcc/java/parse.y example.
2609         * doc/sourcebuild.texi: Likewise.
2610         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2611         libgomp, libssp.  Removed fastjar.
2612         (Miscellaneous Docs): Clarify location.
2613         Added COPYING3, COPYING3.LIB.
2614         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2615
2616 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2617
2618         PR target/38085
2619         * config/i386/i386.c (x86_function_profiler)
2620         [!NO_PROFILE_COUNTERS]: Fix typo.
2621         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2622         instead of callq.
2623
2624 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2625             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2626
2627         * doc/sourcebuild.texi (Test Directives): Split into six
2628         subsections, with most of the current text in new subsections
2629         Directives, Selectors, and Final Actions.
2630         (Directives): Split list of test directives into multiple
2631         subsubsections.
2632         (Selectors): Describe use and syntax of selectors.
2633         (Effective-Target Keywords): Describe all existing keywords.
2634         (Add Options): Describe features for dg-add-options.
2635         (Require Support): Describe variants of dg-require-support.
2636         (Final Actions): Describe commands to use in dg-final.
2637
2638 2010-03-22  Michael Matz  <matz@suse.de>
2639
2640         PR middle-end/43475
2641         * recog.c (validate_replace_rtx_group): Replace also in
2642         REG_EQUAL and REG_EQUIV notes.
2643
2644 2010-03-22  Richard Guenther  <rguenther@suse.de>
2645
2646         PR tree-optimization/43390
2647         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2648         sure vector extracts are type correct.
2649
2650 2010-03-22  Richard Guenther  <rguenther@suse.de>
2651
2652         PR middle-end/40106
2653         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2654         x * sqrt (x) even when optimizing for size if the target
2655         has native support for sqrt.
2656
2657 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2658
2659         * varasm.c (make_decl_rtl_for_debug): Also clear
2660         flag_mudflap for the duration of make_decl_rtl call.
2661
2662         PR debug/43443
2663         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2664         locs from preserved VALUEs.
2665
2666 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2667
2668         PR middle-end/42718
2669         * pa.md (movmemsi): Set align to one if zero.
2670         (movmemdi): Likewise.
2671
2672 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2673
2674         PR target/42321
2675         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2676         with their corresponding prologue pushes.
2677
2678 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2679
2680         PR target/43156
2681         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2682         at the begining or end.
2683         (spu_expand_epilogue): Likewise.
2684
2685 2010-03-20  Richard Guenther  <rguenther@suse.de>
2686
2687         PR rtl-optimization/43438
2688         * combine.c (make_extraction): Properly zero-/sign-extend an
2689         extraction of the low part of a CONST_INT.  Also handle
2690         CONST_DOUBLE.
2691
2692 2010-03-19  Mike Stump  <mikestump@comcast.net>
2693
2694         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2695         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2696         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2697
2698 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2699
2700         PR c/43211
2701         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2702         an error.
2703
2704 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2705
2706         PR rtl-optimization/42258
2707         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2708         use that may match DEF.
2709
2710         PR target/40697
2711         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2712         the cost of loading the constant rather than assuming
2713         COSTS_N_INSNS (1).
2714         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2715         outer code is AND, do the same tests as the andsi3 expander and
2716         return COSTS_N_INSNS (1) if and is cheap.
2717
2718         * optabs.c (avoid_expensive_constant): Fix formatting.
2719
2720 2010-03-19  Michael Matz  <matz@suse.de>
2721
2722         PR c++/43116
2723         * attribs.c (decl_attributes): When rebuilding a function pointer
2724         type use the same qualifiers as the original pointer type.
2725
2726 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2727
2728         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2729         and is_gimple_ip_invariant_address.
2730
2731 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2732
2733         Revert
2734         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2735
2736         * config/arm/arm.c (arm_override_options): Turn off
2737         flag_dwarf2_cfi_asm for AAPCS variants.
2738
2739 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2740
2741         PR target/43399
2742         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2743         Use PRE_MODIFY instead of PRE_DEC.
2744         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2745         (vfp_emit_fstmd): Likewise.
2746
2747 2010-03-19  Michael Matz  <matz@suse.de>
2748
2749         PR target/43305
2750         * builtins.c (expand_builtin_interclass_mathfn,
2751         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2752         if that fails.
2753
2754 2010-03-19  Richard Guenther  <rguenther@suse.de>
2755
2756         PR tree-optimization/43415
2757         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2758         (phi_translate_1): ... this.
2759         (phi_translate): Move all caching here.  Cache all NARY
2760         and REFERENCE translations.
2761
2762 2010-03-19  David S. Miller  <davem@davemloft.net>
2763
2764         With help from Eric Botcazou.
2765         * config/sparc/sparc.c: Include dwarf2out.h.
2766         (emit_pic_helper): Delete.
2767         (pic_helper_symbol_name): Delete.
2768         (pic_helper_emitted_p): Delete.
2769         (pic_helper_needed): New.
2770         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2771         (get_pc_thunk_name): New.
2772         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2773         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2774         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2775         (sparc_expand_prologue): Update load_pic_register call.
2776         (sparc_output_mi_thunk): Likewise.
2777         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2778         thunk if possible.  Output CFI information as needed.
2779
2780 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2781             Jack Howarth <howarth@bromo.med.uc.edu>
2782
2783         PR target/36399
2784         * config/i386/i386.h: Fix ABI on darwin x86-32.
2785
2786 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2787
2788         * tree.h: Declare make_decl_rtl_for_debug.
2789         * varasm.c (make_decl_rtl_for_debug): New.
2790         * dwarf2out.c (rtl_for_decl_location): Call it.
2791         * cfgexpand.c (expand_debug_expr): Call it.
2792
2793 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2794
2795         PR bootstrap/43399
2796         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2797         mem_mode.
2798
2799         PR bootstrap/43403
2800         * var-tracking.c (vt_init_cfa_base): Do nothing if
2801         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2802
2803 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
2804
2805         PR debug/42873
2806         * var-tracking.c (canonicalize_vars_star): New.
2807         (dataflow_post_merge_adjust): Use it.
2808
2809 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2810
2811         PR debug/43058
2812         * var-tracking.c (non_suitable_const): New function.
2813         (add_uses): For DEBUG_INSNs with constants, don't record any
2814         value, instead just the constant value itself.
2815         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2816         is not VAR_LOC_UNKNOWN_P, set var to the constant.
2817         (emit_notes_in_bb): Likewise.
2818         (emit_note_insn_var_location): For onepart variables if
2819         cur_loc is a VOIDmode constant, use DECL_MODE.
2820
2821 2010-03-18  Martin Jambor  <mjambor@suse.cz>
2822
2823         PR middle-end/42450
2824         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2825         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2826         all non-clones.  Moved call redirection...
2827         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2828         (cgraph_materialize_all_clones): Dispose of all
2829         combined_args_to_skip bitmaps.
2830         (verify_cgraph_node): Do not check for edges pointing to wrong
2831         nodes in inline clones.
2832         * tree-inline.c (copy_bb): Call
2833         cgraph_redirect_edge_call_stmt_to_callee.
2834         * ipa.c (cgraph_remove_unreachable_nodes): Call
2835         cgraph_node_remove_callees even when there are used clones.
2836
2837 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2838
2839         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2840
2841 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2842
2843         PR target/43383
2844         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2845         for 32bit.
2846
2847 2010-03-18  Michael Matz  <matz@suse.de>
2848
2849         PR middle-end/43419
2850         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2851         into sqrt(x) if we need to preserve signed zeros.
2852
2853 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
2854             Eric Botcazou  <ebotcazou@adacore.com>
2855
2856         PR rtl-optimization/43360
2857         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2858         note if we don't know its invariant status.
2859
2860 2010-03-18  Michael Matz  <matz@suse.de>
2861
2862         PR tree-optimization/43402
2863         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2864         PHI chains of ssa names registered for update.
2865
2866 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
2867
2868         PR target/42427
2869         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2870         non-offsettable and pre_modify update addressing.
2871         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2872         and "2" alternatives "#".
2873         (*movdd_softfloat32): Make all alternatives "#";
2874         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2875         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2876         (*movdf_softfloat32): Make all alternatives "#";
2877         (movdi): Use the new DIFD mode iterator to create a common splitter
2878         for movdi, movdf and movdd patterns.
2879
2880 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
2881
2882         * common.opt (dumpdir): Remove redundant tab.
2883
2884 2010-03-17  Martin Jambor  <mjambor@suse.cz>
2885
2886         PR tree-optimization/43347
2887         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2888         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2889
2890 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2891
2892         PR rtl-optimization/42216
2893         * regrename.c (create_new_chain): New function, broken out from...
2894         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
2895         appending a use to an empty chain.
2896         (build_def_use): Remove previous changes that convert OP_INOUT to
2897         OP_OUT operands; instead detect the case where an OP_INOUT operand
2898         uses a previously untracked register and create an empty chain for it.
2899
2900 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2901
2902         * doc/extend.texi (Function Attributes): Rewrite unfinished
2903         sentence in ms_abi documentation.
2904
2905 2010-03-17  Alan Modra  <amodra@gmail.com>
2906
2907         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2908         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2909         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2910         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2911
2912 2010-03-16  Richard Henderson  <rth@redhat.com>
2913
2914         PR middle-end/43365
2915         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2916         (lower_try_finally): Save and restore eh_seq around the expansion
2917         of the try-finally.
2918
2919 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
2920
2921         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2922         statements before splitting block.
2923
2924 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2925
2926         * doc/sourcebuild.texi (Testsuites): Fix markup.
2927         Use pathnames relative to gcc/testsuite.
2928         (Test Directives): Move description of how timeout is determined.
2929         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2930         (C Tests): Correct gcc.misc-tests directory.
2931         Framework tests now live in gcc.test-framework.
2932
2933 2010-03-16  Richard Guenther  <rguenther@suse.de>
2934
2935         PR middle-end/43379
2936         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2937         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2938
2939 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
2940             Alexandre Oliva  <aoliva@redhat.com>
2941
2942         PR tree-optimization/42917
2943         * lambda-code.c (remove_iv): Skip debug statements.
2944         (lambda_loopnest_to_gcc_loopnest): Likewise.
2945         (not_interesting_stmt): Debug statements are not interesting.
2946
2947 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
2948
2949         PR debug/43051
2950         PR debug/43092
2951         * cselib.c (cselib_preserve_constants,
2952         cfa_base_preserved_val): New static variables.
2953         (preserve_only_constants): New function.
2954         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2955         clear its REG_VALUES.  If cselib_preserve_constants, don't
2956         empty the whole hash table, but preserve there VALUEs with constants,
2957         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2958         (cselib_preserve_cfa_base_value): New function.
2959         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2960         (cselib_init): Change argument to int bitfield.  Set
2961         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2962         is in it.
2963         (cselib_finish): Clear cselib_preserve_constants and
2964         cfa_base_preserved_val.
2965         * cselib.h (enum cselib_record_what): New enum.
2966         (cselib_init): Change argument to int.
2967         (cselib_preserve_cfa_base_value): New prototype.
2968         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2969         * dse.c (dse_step1): Likewise.
2970         * cfgcleanup.c (thread_jump): Likewise.
2971         * sched-deps.c (sched_analyze): Likewise.
2972         * gcse.c (local_cprop_pass): Likewise.
2973         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2974         If FN is non-NULL, call the callback always and whenever it returns
2975         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
2976         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2977         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2978         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2979         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2980         * var-tracking.c: Include recog.h.
2981         (bb_stack_adjust_offset): Remove.
2982         (vt_stack_adjustments): Don't call it, instead just gather the
2983         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2984         (adjust_stack_reference): Remove.
2985         (compute_cfa_pointer): New function.
2986         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2987         (struct adjust_mem_data): New type.
2988         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2989         functions.
2990         (get_address_mode): New function.
2991         (replace_expr_with_values): Use it.
2992         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2993         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
2994         (adjust_sets): Remove.
2995         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2996         Use get_address_mode.
2997         (get_adjusted_src): Remove.
2998         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
2999         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3000         (add_with_sets): Don't call adjust_sets.
3001         (fp_setter, vt_init_cfa_base): New functions.
3002         (vt_initialize): Change return type to bool.  Move most of pool etc.
3003         initialization to the beginning of the function from end.  Pass
3004         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3005         If !frame_pointer_needed, call vt_stack_adjustment before mos
3006         vector is filled, call vt_init_cfa_base if argp/framep has been
3007         eliminated to sp.  If frame_pointer_needed and argp/framep has
3008         been eliminated to hard frame pointer, set
3009         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3010         encountering fp setter in the prologue.  For MO_ADJUST, call
3011         log_op_type before pusing the op into mos vector, not afterwards.
3012         Call adjust_insn before cselib_process_insn/add_with_sets,
3013         call cancel_changes (0) afterwards.
3014         (variable_tracking_main_1): Adjust for vt_initialize calling
3015         vt_stack_adjustments and returning whether it succeeded or not.
3016
3017 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3018
3019         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3020         debug statements.
3021
3022 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3023
3024         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3025         has been set.
3026         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3027         drap_reg has not been set.
3028
3029 2010-03-15  Michael Matz  <matz@suse.de>
3030
3031         PR middle-end/43300
3032         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3033         use it to expand block copies.
3034         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3035         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3036         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3037
3038 2010-03-15  Richard Guenther  <rguenther@suse.de>
3039
3040         PR tree-optimization/43367
3041         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3042         elimination check.
3043
3044 2010-03-15  Richard Guenther  <rguenther@suse.de>
3045
3046         PR tree-optimization/43317
3047         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3048
3049 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3050
3051         PR tree-optimization/43141
3052         * tree-sra.c (create_abstract_origin): New function.
3053         (modify_function): Call create_abstract_origin.
3054
3055 2010-03-15  Chris Demetriou  <cgd@google.com>
3056
3057         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3058         wasn't copied.
3059
3060 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3061
3062         PR middle-end/43354
3063         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3064         call insert_out_of_ssa_copy for default definitions.
3065
3066 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3067
3068         * graphite-clast-to-gimple.c (my_long_long): Defined.
3069         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3070         * graphite-sese-to-poly.c (my_long_long): Defined.
3071         (scop_ivs_can_be_represented): Use it.
3072
3073 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3074
3075         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3076         graphite-max-bbs-per-function, and loop-block-tile-size.
3077         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3078         with "maximum".
3079         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3080
3081 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3082
3083         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3084         forward declaration.
3085         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3086         (add_upper_bounds_from_estimated_nit): New.
3087         (build_loop_iteration_domains): Use it.
3088
3089 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3090
3091         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3092
3093 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         PR middle-end/43306
3096         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3097         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3098
3099 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3100
3101         * graphite.c (graphite_initialize): To bound the number of bbs per
3102         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3103         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3104         * doc/invoke.texi: Document it.
3105
3106 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3107
3108         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3109         * graphite-sese-to-poly.h (build_poly_scop): Same.
3110
3111 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3112
3113         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3114         the number of parameters in the scop.  Use as an upper bound
3115         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3116         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3117         * doc/invoke.texi: Document it.
3118
3119 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3120
3121         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3122         * doc/c-tree.texi: Remove.
3123         * doc/generic.texi: Merge c-tree.texi here.
3124         * doc/gccint.texi (Trees): Remove menu entry.
3125         (c-tree.texi): Remove @include.
3126         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3127         * doc/languages.texi (Reading RTL): Ditto.
3128
3129 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3130
3131         PR target/42869
3132         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3133
3134 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3135
3136         PR middle-end/42431
3137         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3138         code added to work around reload clobbering CONST insns.
3139
3140 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3141
3142         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3143         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3144         (cselib_preserve_only_values): Remove retain argument, don't
3145         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3146         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3147         * var-tracking.c (micro_operation): Move insn field before union.
3148         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3149         (struct variable_tracking_info_def): Remove n_mos field, change
3150         mos into a vector of micro_operations.
3151         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3152         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3153         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3154         changing into a vector.
3155         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3156         come before all other uops generated by add_stores.
3157         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3158         argument removal.
3159         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3160         a vector.  Run just one pass over the bbs instead of separate counting
3161         and computation phase.
3162         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3163
3164         PR debug/43329
3165         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3166         into *nonlocalized_list vector.
3167         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3168         even if origin is non-NULL.
3169         (gen_variable_die): Likewise.
3170         (process_scope_var): Don't change origin.
3171         (gen_decl_die): Likewise.
3172         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3173         before adding new edges instead of after it, fix moving over
3174         debug stmts.
3175
3176 2010-03-11  David S. Miller  <davem@davemloft.net>
3177
3178         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3179         of four.
3180         * configure: Rebuild.
3181
3182 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3183
3184         PR tree-optimization/43257
3185         * tree.c (assign_assembler_name_if_neeeded): New function.
3186         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3187         above new function.
3188         * tree.h (assign_assembler_name_if_neeeded): Declare.
3189         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3190         the function if needed.
3191
3192 2010-03-11  Chris Demetriou  <cgd@google.com>
3193
3194         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3195         include/stdint-gcc.h, and include/stdint.h world-readable.
3196
3197 2010-03-11  Richard Guenther  <rguenther@suse.de>
3198
3199         PR tree-optimization/43255
3200         * tree-vrp.c (process_assert_insertions_for): Do not insert
3201         asserts for trivial conditions.
3202
3203 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3204
3205         PR tree-optimization/43280
3206         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3207         generation.  Move calculation of size out of the if branch.
3208         (find_bswap): Modify compare number generation.
3209
3210 2010-03-11  Richard Guenther  <rguenther@suse.de>
3211
3212         PR lto/43200
3213         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3214         (input_gimple_stmt): Fixup handled component types during
3215         operand read.  Also fix up decls in ADDR_EXPRs.
3216
3217 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3218
3219         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3220         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3221
3222 2010-03-10  Jan Hubicka  <jh@suse.cz>
3223
3224         PR c/43288
3225         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3226         * varasm.c (get_variable_section): Don't do that here...
3227         (make_decl_rtl): ... and here.
3228         (do_assemble_alias): Produce decl RTL.
3229         (assemble_alias): Likewise.
3230
3231 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3232
3233         PR debug/43290
3234         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3235         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3236         of fde->vdrap_reg.
3237         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3238         (based_loc_descr): Only express drap or vdrap regno based expressions
3239         using DW_OP_fbreg when not optimizing.
3240         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3241         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3242         REG_CFA_SET_VDRAP note.
3243
3244 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3245
3246         PR tree-optimization/43236
3247         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3248         error in calculation of base address in reverse iteration case.
3249         (generate_builtin): Take number of latch executions if the statement
3250         is in the latch.
3251
3252 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3253
3254         PR middle-end/42859
3255         * tree-eh.c: Include pointer-set.h.
3256         (lower_eh_dispatch): Filter out duplicate case labels and
3257         remove the unneeded edge when the label is unused.  Return
3258         true when some edges are removed.
3259         (execute_lower_eh_dispatch): When any lowering resulted in
3260         removing an edge, also delete unreachable blocks.
3261
3262 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3263
3264         PR bootstrap/43287
3265         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3266         UNSPEC_MACHOPIC_OFFSET.
3267
3268 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3269
3270         PR target/43294
3271         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3272         (m68k_delegitimize_address): New function.
3273
3274 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3275
3276         PR debug/43299
3277         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3278
3279         PR debug/43299
3280         * var-tracking.c (adjust_sets): New function.
3281         (count_with_sets, add_with_sets): Use it.
3282         (get_adjusted_src): New inline function.
3283         (add_stores): Use it.
3284
3285         PR debug/43304
3286         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3287         call cselib_dummy_expand_value_rtx_cb instead of
3288         cselib_expand_value_rtx_cb.
3289
3290         PR debug/43293
3291         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3292         * config/i386/i386.c: Include debug.h and dwarf2out.h.
3293         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3294         and .cfi_endproc around the pic thunks.
3295         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3296         all queued unwind info register saves are saved before the call.
3297         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3298         considered as sp-=4 for unwind info and the pop as sp+=4 which
3299         also clobbers dest, but doesn't actually restore it.
3300
3301         PR debug/43290
3302         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3303         RTX_FRAME_RELATED_P.
3304
3305 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3306
3307         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3308         whitespaces in output template.
3309
3310 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3311
3312         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3313         out array boundary.
3314
3315 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3316
3317         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3318         builtins.exp in a separate job.
3319
3320 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3321
3322         * graphite-sese-to-poly.c (add_param_constraints): Use
3323         lower_bound_in_type and upper_bound_in_type.
3324
3325 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3326
3327         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3328         instead of unsigned_type_node.
3329
3330 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3331             Reza Yazdani  <reza.yazdani@amd.com>
3332
3333         PR middle-end/43065
3334         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3335         on pointer type parameters.
3336
3337 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3338
3339         PR middle-end/42644
3340         PR middle-end/42130
3341         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3342         handle conversions from pointer to integers.
3343         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3344         induction variable, to be able to work with code generated by CLooG.
3345         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3346         (build_poly_scop): Bail out if we cannot codegen a loop.
3347
3348 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3349
3350         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3351         code generation with gloog_error.
3352
3353 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3354
3355         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3356         Call fold_convert on all the returned values.
3357         (expand_scalar_variables_expr): Pass to
3358         expand_scalar_variables_ssa_name the type of the resulting expression.
3359
3360 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3361
3362         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3363         ppl_min_for_le_pointset.
3364         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3365         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3366
3367 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3368
3369         * graphite-dependences.c (map_into_dep_poly): Removed.
3370         (dependence_polyhedron_1): Use combine_context_id_scat.
3371
3372 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         * graphite-poly.h (struct poly_scattering): Add layout documentation.
3375         (struct poly_bb): Same.
3376         (combine_context_id_scat): New.
3377
3378 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3379
3380         PR middle-end/42326
3381         * sese.c (name_defined_in_loop_p): Return false for default
3382         definitions.
3383
3384 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3385
3386         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3387         and clean up the logic.
3388
3389 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3390
3391         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3392         early return.
3393
3394 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3395
3396         * var-tracking.c (remove_cselib_value_chains): Define only for
3397         ENABLE_CHECKING.
3398         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3399         delete_slot_part, emit_notes_for_differences_1): Don't call
3400         remove_cselib_value_chains here.
3401         (set_slot_part, emit_notes_for_differences_2): Don't call
3402         add_cselib_value_chains here.
3403         (preserved_values): New vector.
3404         (preserve_value): New function.
3405         (add_uses, add_stores, vt_add_function_parameters): Use it
3406         instead of cselib_preserve_value.
3407         (changed_values_stack): New vector.
3408         (check_changed_vars_0): New function.
3409         (check_changed_vars_1, check_changed_vars_2): Use it.
3410         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3411         changed_values_stack VALUEs.
3412         (vt_emit_notes): For all preserved_values call
3413         add_cselib_value_chains.  If ENABLE_CHECKING call
3414         remove_cselib_value_chains before verifying value_chains is empty.
3415         Initialize and free changed_values_stack.
3416         (vt_initialize): Initialize preserved_values.
3417         (vt_finalize): Free preserved_values.
3418
3419 2010-03-08  Richard Guenther  <rguenther@suse.de>
3420
3421         PR tree-optimization/43269
3422         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3423         region detection.
3424
3425 2010-03-08  Martin Jambor  <mjambor@suse.cz>
3426
3427         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3428         (ipa_is_param_called): Removed.
3429         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3430         (ipa_print_node_params): Do not print the called flag.
3431         (ipa_write_node_info): Do not stream the called flag.
3432         (ipa_read_node_info): Likewise.
3433
3434 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
3435
3436         PR debug/43176
3437         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3438         * cselib.c (struct expand_value_data): Add dummy field.
3439         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3440         dummy to false.
3441         (cselib_dummy_expand_value_rtx_cb): New function.
3442         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3443         any rtl.
3444         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3445         * var-tracking.c: Include pointer-set.h.
3446         (variable): Change n_var_parts to char from int.  Add
3447         cur_loc_changed and in_changed_variables fields.
3448         (variable_canonicalize): Remove.
3449         (shared_var_p): New inline function.
3450         (unshare_variable): Maintain cur_loc_changed and
3451         in_changed_variables fields.  If var was in changed_variables,
3452         replace it there with new_var.  Just copy cur_loc instead of