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