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* ifcvt.c (noce_try_cmove_arith): Fix long lines.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
4         (check_cond_move_block): Likewise.
5         (cond_move_process_if_block): Likewise.
6         (noce_find_if_block): Improve formatting.
7         (find_if_header): Pass 0 to memset and tweak conditions.
8         (cond_exec_find_if_block): Fix long lines and tweak conditions.
9
10 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
11
12         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return
13         0 for -gdwarf-4.
14
15         PR middle-end/43337
16         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
17         with non-local decl doesn't need chain.
18
19 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
20
21         * ira-color.c (allocno_reload_assign): Avoid accumulating
22         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
23
24 2010-04-19  Martin Jambor  <mjambor@suse.cz>
25
26         * gimple.h (create_tmp_reg): Declare.
27         * gimplify.c (create_tmp_reg): New function.
28         (gimplify_return_expr): Use create_tmp_reg.
29         (gimplify_omp_atomic): Likewise.
30         (gimple_regimplify_operands): Likewise.
31         * tree-dfa.c (make_rename_temp): Likewise.
32         * tree-predcom.c (predcom_tmp_var): Likewise.
33         (reassociate_to_the_same_stmt): Likewise.
34         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
35         (get_replaced_param_substitute): Likewise.
36         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
37         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
38         * tree-ssa-pre.c (get_representative_for): Likewise.
39         (create_expression_by_pieces): Likewise.
40         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
41         (create_tailcall_accumulator): Likewise.
42
43 2010-04-19  Martin Jambor  <mjambor@suse.cz>
44
45         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
46         new_stmt.
47         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
48
49 2010-04-19  Richard Guenther  <rguenther@suse.de>
50
51         PR tree-optimization/43796
52         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
53         from SCEV in the lattice.
54         (vrp_visit_phi_node): Dump change.
55
56 2010-04-19  Richard Guenther  <rguenther@suse.de>
57
58         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
59         * configure: Re-generated.
60
61 2010-04-19  Richard Guenther  <rguenther@suse.de>
62
63         PR tree-optimization/43783
64         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
65         constant ARRAY_REF operands two and three if possible.
66
67 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
68
69         PR target/43766
70         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
71
72 2010-04-19  Jie Zhang  <jie@codesourcery.com>
73
74         PR target/43662
75         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
76
77 2010-04-19 Ira Rosen <irar@il.ibm.com>
78
79         PR tree-optimization/37027
80         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions 
81         and macro to access it.
82         (vectorizable_reduction): Add argument.
83         (vect_get_slp_defs): Likewise.
84         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
85         statements for possible use in SLP.
86         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
87         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
88         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
89         add new argument.
90         (vectorizable_reduction): Likewise.
91         * tree-vect-stmts.c (vect_get_vec_defs): Update call to 
92         vect_get_slp_defs.
93         (vectorizable_type_demotion, vectorizable_type_promotion,
94         vectorizable_store): Likewise.
95         (vect_analyze_stmt): Update call to vectorizable_reduction.
96         (vect_transform_stmt): Likewise.
97         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
98         (vect_build_slp_tree): Fix indentation. Check that there are no loads
99         from different interleaving chains in same node.
100         (vect_slp_rearrange_stmts): New function.
101         (vect_supported_load_permutation_p): Allow load permutations for 
102         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
103         inside SLP nodes if necessary.
104         (vect_analyze_slp_instance): Handle reductions.
105         (vect_analyze_slp): Try to build SLP instances originating from groups
106         of reductions.
107         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
108         (vect_get_constant_vectors): Create initial vectors for reductions
109         according to reduction code. Add new argument.
110         (vect_get_slp_defs): Add new argument, pass it to 
111         vect_get_constant_vectors.
112         (vect_schedule_slp_instance): Remove SLP tree root statements.
113
114 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
115
116         * tree.h (ENUM_IS_SCOPED): Define.
117         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
118         for ENUM_IS_SCOPED enums.
119
120 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
121
122         * fold-const.c (fold_comparison): Use ssizetype.
123         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
124         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
125         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
126         * tree-object-size.c (compute_object_sizes): Use size_type_node.
127
128         * tree.h (initialize_sizetypes): Remove parameter.
129         (build_common_tree_nodes): Remove second parameter.
130         * stor-layout.c (initialize_sizetypes): Remove parameter.
131         Always create an unsigned type.
132         (set_sizetype): Assert that the passed type is unsigned and simplify.
133         * tree.c (build_common_tree_nodes): Remove second parameter.
134         Adjust call to initialize_sizetypes.
135         * c-decl.c (c_init_decl_processing): Remove second argument in call to
136         build_common_tree_nodes.
137
138 2010-04-18  Matthias Klose  <doko@ubuntu.com>
139
140         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
141
142 2010-04-18 Ira Rosen <irar@il.ibm.com> 
143
144         PR tree-optimization/43771
145         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
146         load permutation doesn't have gaps.
147
148 2010-04-18  Jan Hubicka  <jh@suse.cz>
149
150         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
151         (sse_prologue_save_insn expander): Use new pattern.
152         (sse_prologue_save_insn1): New pattern and splitter.
153         (sse_prologue_save_insn): Update to deal also with 64bit aligned
154         blocks.
155         * i386.c (setup_incoming_varargs_64): Do not compute jump
156         destination here.
157         (ix86_gimplify_va_arg): Update alignment needed.
158         (ix86_local_alignment): Do not align all local arrays to 128bit.
159
160 2010-04-17  Jan Hubicka  <jh@suse.cz>
161
162         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
163
164 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
165
166         * arm.md (negdi2): Remove redundant code to force values into a
167         register.
168
169 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
170
171         * arm/bpabi.S: Add EABI alignment attributes to objects.
172         * arm/bpabi-v6m.S: Likewise.
173         * arm/crti.asm: Likewise.
174         * arm/crtn.asm: Likewise.
175         * arm/lib1funcs.asm: Likewise.
176         * arm/libunwind.S: Likewise.
177
178 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
179
180         * arm-protos.h (tune_params): New structure.
181         * arm.c (current_tune): New variable.
182         (arm_constant_limit): Delete.
183         (struct processors): Add pointer to the tune parameters.
184         (arm_slowmul_tune): New tuning option.
185         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
186         (all_cores): Adjust to pick up the tuning model.
187         (arm_constant_limit): New function.
188         (arm_override_options): Select the appropriate tuning model.  Delete
189         initialization of arm_const_limit.
190         (arm_split_constant): Use the new constant-limit model.
191         (arm_rtx_costs): Pick up the current tuning model.
192         * arm.md (is_strongarm, is_xscale): Delete.
193         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
194         for Xscale variant architectures.
195         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
196
197 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
198
199         * config/arm/arm.c (arm_gen_constant): Remove unused variable
200         can_shift.
201         (arm_rtx_costs_1): Remove unused variable extra_cost.
202         (arm_unwind_emit_set): Use variable offset.
203         (thumb1_output_casesi): Remove unused variable flags.
204
205 2010-04-16  Jeff Law  <law@redhat.com>
206
207         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
208         needing assignment rather than doing a two-phase assignment.  Remove
209         unused variable 'm'.
210
211 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
212
213         PR bootstrap/43767
214         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
215
216 2010-04-16  Doug Kwan  <dougkwan@google.com>
217
218         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
219         (next_operand_entry_id): New static variable.
220         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
221         (add_to_ops_vec): Assigned unique ID to operand entry.
222         (struct oecount_s): New field ID.
223         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
224         (undistribute_ops_list): Assign unique IDs to oecounts.
225         (init_reassoc): reset next_operand_entry_id.
226
227 2010-04-16  Doug Kwan  <dougkwan@google.com>
228
229         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
230         missing left parenthesis.
231         
232 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
233
234         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
235         *btdi_rex64 using SWI48 mode iterator.
236         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
237         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
238         *jcc_btdi_mask_rex64.
239
240 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
241
242         * double-int.h (tree_to_double_int): Convert to macro.
243         * double-int.c (tree_to_double_int): Remove.
244
245 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
246
247         PR debug/43762
248         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
249         with want_address 2 and in case a single element list might be
250         possible, call it again with want_address 0.
251
252 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
253
254         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
255         case 'W' print operands for HI mode.
256         * config/h8300/h8300.h (Y0, Y2) : New constraints.
257         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
258         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
259         * config/h8300/predicate.md (bit_register_indirect_operand): New.
260
261         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
262
263         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx, 
264         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
265         #xx:3 and #xx:4 mode.
266
267         * config/h8300/h8300.md (inverted load with HImode dest): Add
268         support for H8300SX.
269
270         * config/h8300/predicate.md (bit_operand): Allow immediate values that
271         satisfy 'U' constraint.
272
273 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
274
275         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
276         flavor.
277         * configure: Regenerate.
278         * config.in: Regenerate.
279         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
280         works.
281
282 2010-04-16  Richard Guenther  <rguenther@suse.de>
283
284         * tree.h (struct tree_decl_minimal): Move pt_uid ...
285         (struct tree_decl_common): ... here.
286         (DECL_PT_UID): Adjust.
287         (SET_DECL_PT_UID): Likewise.
288         (DECL_PT_UID_SET_P): Likewise.
289
290 2010-04-16  Richard Guenther  <rguenther@suse.de>
291
292         PR tree-optimization/43572
293         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
294         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
295         * tree-flow.h (is_call_clobbered): Remove.
296         * tree-flow-inline.h (is_call_clobbered): Likewise.
297         * tree-dfa.c (dump_variable): Do not dump call clobber state.
298         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
299         (execute_return_slot_opt): Adjust.
300         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
301         check for call clobbered vars here.
302         (find_tail_calls): Move tailcall verification to the
303         proper place.
304
305 2010-04-16  Diego Novillo  <dnovillo@google.com>
306
307         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
308         handled.
309
310 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
311
312         PR target/40603
313         * config/arm/arm.md (cbranchqi4): New pattern.
314         * config/arm/predicates.md (const0_operand,
315         cbranchqi4_comparison_operator): New predicates.
316
317 2010-04-16  Richard Guenther  <rguenther@suse.de>
318
319         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
320         (dump_gimple_stmt): Likewise.
321
322 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
323
324         * recog.h (struct recog_data): New field is_operator.
325         (struct insn_operand_data): New field is_operator.
326         * recog.c (extract_insn): Set recog_data.is_operator.
327         * genoutput.c (output_operand_data): Emit code to set the
328         is_operator field.
329         * reload.c (find_reloads): Use it rather than testing for an
330         empty constraint string.
331
332         PR target/41514
333         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
334         If the previous insn is a cbranchsi4_insn with the same arguments,
335         omit the compare instruction.
336
337         * config/arm/arm.md (addsi3_cbranch): If destination is a high
338         register, inputs must be low registers and we need a low register
339         scratch.  Handle alternative 2 like alternative 3.
340
341 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
342
343         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
344         don't call get_addr on both.  If one expression is a VALUE and
345         the other a REG, check VALUE's locs if the REG isn't among them.
346
347 2010-04-16  Christian Bruel  <christian.bruel@st.com>
348
349         * config/sh/sh.h (sh_frame_pointer_required): New function.
350         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
351         (flag_omit_frame_pointer) Set.
352         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
353         (rounded_frame_size): Adjust size with outgoing_args_size.
354         (sh_set_return_address): Must return from stack pointer.
355         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
356         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
357         (ACCUMULATE_OUTGOING_ARGS): Define.
358         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
359         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
360
361 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
362
363         PR target/43471
364         * config/sh/sh.c (sh_legitimize_reload_address): Use
365         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
366         Remove a unneeded check for offset_base.
367
368 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
369
370         * configure: Regenerated.
371
372 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
373
374         * config/s390/s390.c (s390_call_save_register_used): Switch back
375         to HARD_REGNO_NREGS.
376
377 2010-04-15  Richard Guenther  <rguenther@suse.de>
378
379         * alias.c (alias_set_subset_of): Handle alias-set zero
380         child properly.
381
382 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
383             Julian Brown  <julian@codesourcery.com>
384
385         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
386         alternatives according to use of high and low regs.
387         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
388         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
389         optimizing for size on Thumb-2.
390
391 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
392
393         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
394
395 2010-04-15  Richard Guenther  <rguenther@suse.de>
396
397         * tree-ssa-structalias.c (struct variable_info): Add
398         is_fn_info flag.
399         (new_var_info): Initialize it.
400         (dump_constraints): Support printing last added constraints.
401         (debug_constraints): Adjust.
402         (dump_constraint_graph): Likewise.
403         (make_heapvar_for): Check for NULL cfun.
404         (get_function_part_constraint): New function.
405         (get_fi_for_callee): Likewise.
406         (find_func_aliases): Properly implement IPA PTA constraints.
407         (process_ipa_clobber): New function.
408         (find_func_clobbers): Likewise.
409         (insert_into_field_list_sorted): Remove.
410         (create_function_info_for): Properly allocate vars for IPA mode.
411         Do not use insert_into_field_list_sorted.
412         (create_variable_info_for): Properly generate constraints for
413         global vars in IPA mode.
414         (dump_solution_for_var): Always dump the solution.
415         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
416         (find_what_var_points_to): Adjust.
417         (pt_solution_set): Change.
418         (pt_solution_ior_into): New function.
419         (pt_solution_empty_p): Export.
420         (pt_solution_includes_global): Adjust.
421         (pt_solution_includes_1): Likewise.
422         (pt_solutions_intersect_1): Likewise.
423         (dump_sa_points_to_info): Check some invariants.
424         (solve_constraints): Move constraint dumping ...
425         (compute_points_to_sets): ... here.
426         (ipa_pta_execute): ... and here.
427         (compute_may_aliases): Do not re-compute points-to info
428         locally if IPA info is available.
429         (ipa_escaped_pt): New global var.
430         (ipa_pta_execute): Properly implement IPA PTA.
431         * tree-into-ssa.c (dump_decl_set): Support dumping
432         decls not in referenced-vars.
433         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
434         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
435         (dump_points_to_solution): Likewise.
436         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
437         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
438         (remap_gimple_stmt): Reset call clobber/use information if
439         necessary.
440         (copy_decl_to_var): Copy DECL_PT_UID.
441         (copy_result_decl_to_var): Likewise.
442         * tree.c (make_node_stat): Initialize DECL_PT_UID.
443         (copy_node_stat): Copy it.
444         * tree.h (DECL_PT_UID): New macro.
445         (SET_DECL_PT_UID): Likewise.
446         (DECL_PT_UID_SET_P): Likewise.
447         (struct tree_decl_minimal): Add pt_uid member.
448         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
449         (pt_solution_empty_p): Declare.
450         (pt_solution_set): Adjust.
451         (ipa_escaped_pt): Declare.
452         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
453         * gimple-pretty-print.c (pp_points_to_solution): New function.
454         (dump_gimple_call): Dump call clobber/use information.
455         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
456         * tree-pass.h (TDF_ALIAS): New dump option.
457         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
458         * doc/invoke.texi (-fipa-pta): Update documentation.
459
460 2010-04-15  Richard Guenther  <rguenther@suse.de>
461
462         * Makefile.in (OBJS-common): Add gimple-fold.o.
463         (gimple-fold.o): New rule.
464         * tree.h (maybe_fold_offset_to_reference,
465         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
466         prototypes ...
467         * gimple.h: ... here.
468         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
469         may_propagate_address_into_dereference): Move prototypes ...
470         * gimple.h: ... here.
471         * tree-ssa-ccp.c (get_symbol_constant_value,
472         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
473         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
474         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
475         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
476         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
477         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
478         gimplify_and_update_call_from_tree): Move ...
479         * gimple-fold.c: ... here.  New file.
480         (ccp_fold_builtin): Rename to ...
481         (gimple_fold_builtin): ... this.
482         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
483
484 2010-04-15  Richard Guenther  <rguenther@suse.de>
485
486         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
487         fit_double_type, force_fit_type_double, add_double_with_sign,
488         neg_double, mul_double_with_sign, lshift_double, rshift_double,
489         lrotate_double, rrotate_double, div_and_round_double): Move ...
490         * double-int.c: ... here.
491         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
492         add_double, neg_double, mul_double_with_sign, mul_double,
493         lshift_double, rshift_double, lrotate_double, rrotate_double,
494         div_and_round_double): Move prototypes ...
495         * double-int.h: ... here.
496
497 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
498
499         PR target/43742
500         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
501         matching constraints to ensure inputs match the output.
502
503 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
504
505         PR target/43742
506         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
507         in an input-only operand.       
508
509 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
510
511         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
512         (double_int_not, double_int_lshift, double_int_rshift): Declare.
513         (double_int_negative_p): Convert to static inline function.
514         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
515         (double_int_negative_p): Remove.
516         * tree.h (lshift_double, rshift_double): 
517         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
518         * fold-const.c (fold_convert_const_int_from_real,
519         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
520         (lshift_double): Change type of arith argument to bool.
521         (rshift_double): Change type of arith argument to bool. Correct
522         comment.
523         * expmed.c (mask_rtx, lshift_value): (Ditto.).
524
525 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
526         
527         PR target/21803
528         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
529         at the start and end of the then/else blocks, and omit them from the
530         conversion.
531         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
532         argument; all callers changed.  Pass zero to old_insns_match_p instead.
533         (flow_find_head_matching_sequence): New function.
534         (old_insns_match_p): Check REG_EH_REGION notes for calls.
535         * basic-block.h (flow_find_cross_jump,
536         flow_find_head_matching_sequence): Declare functions.
537
538 2010-04-14  Jason Merrill  <jason@redhat.com>
539
540         PR c++/36625
541         * c-common.c (attribute_takes_identifier_p): New fn.
542         * c-common.h: Declare it.
543
544 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
545
546         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
547         splitter condition.
548         (*udivmod<mode>4): Ditto.
549
550 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
551
552         * config/i386/i386.md (maxmin_int): Rename code attribute from
553         maxminiprefix and update all users.
554         (maxmin_float): Ditto from maxminfprefix.
555         (logic): Ditto from logicprefix.
556         (absneg_mnemonic): Ditto from absnegprefix.
557         * config/i386/mmx.md: Update all users of maxminiprefix,
558         maxminfprefix and logicprefix for rename.
559         * config/i386/sse.md: Ditto.
560         * config/i386/sync.md (sync_<code><mode>): Update for
561         logicprefix rename.
562
563 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
564
565         PR 42966
566         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
567         warnings converted to errors.
568
569 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
570
571         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
572         used insn_type variable.
573         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
574         to avoid set-but-not-used warning.
575
576 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
577
578         * df-core.c (df_ref_debug): Change format string placeholder
579         from 0x%x to %#x.
580         * dwarf2asm.c (dw2_asm_output_data_raw,
581         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
582         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
583         * dwarf2out.c (output_cfi, output_cfi_directive,
584         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
585         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
586         Ditto.
587         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
588         * print-rtl.c (print_rtx): Ditto.
589
590 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
591
592         PR middle-end/42694
593         * builtins.c (expand_builtin_pow_root): New function to expand pow
594         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
595         series of sqrt and cbrt calls under -ffast-math.
596         (expand_builtin_pow): Call it.
597
598 2010-04-14  Michael Matz  <matz@suse.de>
599
600         PR tree-optimization/42963
601         * tree-cfg.c (touched_switch_bbs): New static variable.
602         (group_case_labels_stmt): New function broken out from ...
603         (group_case_labels): ... here, use the above.
604         (start_recording_case_labels): Allocate touched_switch_bbs.
605         (end_recording_case_labels): Deallocate it, call
606         group_case_labels_stmt.
607         (gimple_redirect_edge_and_branch): Remember index of affected BB.
608
609 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
610
611         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
612         from insn template.
613
614 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
615
616         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
617
618 2010-04-13  Jan Hubicka  <jh@suse.cz>
619
620         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
621         of optimized out static functions.
622         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
623         cost computation.  Also sanity check for overflows.
624         (update_caller_keys): Update cgraph_edge_badness call; properly
625         update fibheap and sanity check that it is up to date.
626         (add_new_edges_to_heap): Update cgraph_edge_badness.
627         (cgraph_decide_inlining_of_small_function): Likewise;
628         add sanity checking that badness in heap is up to date;
629         improve dumping of reason; Update badness of calls to the
630         offline copy of function currently inlined; dump badness
631         of functions not inlined because of unit growth limits.
632
633 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
634
635         PR middle-end/32628
636         * c-common.c (pointer_int_sum): Disregard overflow that occured only
637         because of sign-extension change when converting to sizetype here...
638         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
639
640         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
641         the folding to constants.  Remove redundant final conversion.
642         (fold_binary) <associate>: Do not associate if the re-association of
643         constants alone overflows.
644         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
645         to the end of the list.
646         (multiple_of_p) <COND_EXPR>: New case.
647
648 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
649
650         * opt-functions.awk (opt_sanitized_name): New.
651         (opt_enum): New.
652         * optc-gen.awk: Use it
653         * opth-gen.awk: Use it.
654
655 2010-04-13  Martin Jambor  <mjambor@suse.cz>
656
657         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
658         (sra_modify_assign): Delete stmts loading dead data even if racc has no
659         children.  Call replace_uses_with_default_def_ssa_name to handle
660         SSA_NAES on lhs.
661
662 2010-04-13  Michael Matz  <matz@suse.de>
663
664         PR middle-end/43730
665         * builtins.c (expand_builtin_interclass_mathfn): Also create
666         a register if the predicate doesn't match.
667
668 2010-04-13  Diego Novillo  <dnovillo@google.com>
669
670         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
671         * c-pch.c: Include timevar.h.
672         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
673         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
674         * ggc-common.c: Include timevar.h.
675         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
676         * timevar.def (TV_PCH_SAVE): Define.
677         (TV_PCH_CPP_SAVE): Define.
678         (TV_PCH_PTR_REALLOC): Define.
679         (TV_PCH_PTR_SORT): Define.
680         (TV_PCH_RESTORE): Define.
681         (TV_PCH_CPP_RESTORE): Define.
682
683 2010-04-13  Michael Matz  <matz@suse.de>
684
685         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
686         into MINUS_EXPRs.
687         (can_reassociate_p): New function.
688         (break_up_subtract_bb, reassociate_bb): Use it.
689
690 2010-04-13  Richard Guenther  <rguenther@suse.de>
691
692         PR bootstrap/43737
693         * builtins.c (c_readstr): Fix assert.
694
695 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
696
697         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
698         when generating cltd insn.
699
700         (*ashl<mode>3_1): Remove special handling for register operand 2.
701         (*ashlsi3_1_zext): Ditto.
702         (*ashlhi3_1): Ditto.
703         (*ashlhi3_1_lea): Ditto.
704         (*ashlqi3_1): Ditto.
705         (*ashlqi3_1_lea): Ditto.
706         (*<shiftrt_insn><mode>3_1): Ditto.
707         (*<shiftrt_insn>si3_1_zext): Ditto.
708         (*<shiftrt_insn>qi3_1_slp): Ditto.
709         (*<rotate_insn><mode>3_1): Ditto.
710         (*<rotate_insn>si3_1_zext): Ditto.
711         (*<rotate_insn>qi3_1_slp): Ditto.
712
713 2010-04-13  Richard Guenther  <rguenther@suse.de>
714
715         * tree-ssa-structalias.c (callused_id): Remove.
716         (call_stmt_vars): New.
717         (get_call_vi): Likewise.
718         (lookup_call_use_vi): Likewise.
719         (lookup_call_clobber_vi): Likewise.
720         (get_call_use_vi): Likewise.
721         (get_call_clobber_vi): Likewise.
722         (make_transitive_closure_constraints): Likewise.
723         (handle_const_call): Adjust to do per-call call-used handling.
724         (handle_pure_call): Likewise.
725         (find_what_var_points_to): Remove general callused handling.
726         (init_base_vars): Likewise.
727         (init_alias_vars): Initialize call_stmt_vars.
728         (compute_points_to_sets): Process call-used and call-clobbered
729         vars for call statements.
730         (delete_points_to_sets): Free call_stmt_vars.
731
732 2010-04-13  Richard Guenther  <rguenther@suse.de>
733
734         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
735         Only add RW dependence for dependence distance zero.
736         Adjust maximal vectorization factor according to dependences.
737         Move alignment handling ...
738         (vect_find_same_alignment_drs): ... here.  New function.
739         (vect_analyze_data_ref_dependences): Adjust.
740         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
741         (vect_analyze_data_refs): Adjust minimal vectorization factor
742         according to data references.
743         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
744         dependences before determining the vectorization factor.
745         Analyze alignment after determining the vectorization factor.
746         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
747         dependences before alignment.
748         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
749         Adjust prototype.
750         (vect_analyze_data_refs): Likewise.
751         (MAX_VECTORIZATION_FACTOR): New define.
752
753 2010-04-13  Duncan Sands  <baldrick@free.fr>
754
755         * except.h (lang_eh_type_covers): Remove.
756         * except.c (lang_eh_type_covers): Likewise.
757
758 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
759             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
760
761         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
762         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
763         UNITS_PER_LONG where it is ABI relevant.
764         (s390_return_addr_rtx): Likewise.
765         (s390_back_chain_rtx): Likewise.
766         (s390_frame_area): Likewise.
767         (s390_frame_info): Likewise.
768         (s390_initial_elimination_offset): Likewise.
769         (save_gprs): Likewise.
770         (s390_emit_prologue): Likewise.
771         (s390_emit_epilogue): Likewise.
772         (s390_function_arg_advance): Likewise.
773         (s390_function_arg): Likewise.
774         (s390_va_start): Likewise.
775         (s390_gimplify_va_arg): Likewise.
776         (s390_function_profiler): Likewise.
777         (s390_optimize_prologue): Likewise.
778         (s390_rtx_costs): Likewise.
779         (s390_secondary_reload): Likewise.
780         (s390_promote_function_mode): Likewise.
781         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
782         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
783         registers available.
784         (s390_unwind_word_mode): New function.
785         (s390_function_value): Split 64 bit values into register pair if
786         used as return value.
787         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
788         function call parameters.  Handle parallels.
789         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
790         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
791         (DWARF_CIE_DATA_ALIGNMENT): New macro.
792         (s390_expand_setmem): Remove unused variable src_addr.
793         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
794         deal with 64 bit registers.
795         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
796         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
797         (UNITS_PER_LONG): New macro.
798         * libjava/include/s390-signal.h: Define extended ucontext
799         structure containing the upper halfs of the 64 bit registers.
800
801 2010-04-13  Simon Baldwin  <simonb@google.com>
802
803         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
804
805 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
806
807         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
808         rvalue on the RHS if the LHS is of a non-renamable type.
809         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
810
811 2010-04-13  Matthias Klose  <doko@ubuntu.com>
812
813         * gcc.c (cc1_options): Handle -iplugindir before processing
814         the cc1 spec. Only add -iplugindir once.
815         (cpp_unique_options): Add -iplugindir option if -fplugin* options
816         found.
817         * common.opt (iplugindir): Remove `Separate' property, initialize.
818         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
819         option.
820         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
821         (distclean): Remove plugin dir.
822         * doc/invoke.texi: Document -iplugindir.
823
824 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
825
826         * doc/plugins.texi (Loading Plugins): Document short
827         -fplugin=foo option.
828         (Plugin API): Mention default_plugin_dir_name function.
829
830         * gcc.c (find_file_spec_function): Add new declaration.
831         (static_spec_func): Use it for "find-file".
832         (find_file_spec_function): Add new function.
833         (cc1_options): Add -iplugindir option if -fplugin* options found.
834
835         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
836
837         * plugin.c (add_new_plugin): Updated comment, and handle short
838         plugin name.
839         (default_plugin_dir_name): Added new function.
840
841         * common.opt (iplugindir): New option to set the plugin directory.
842
843 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
844
845         * config/i386/i386.md (any_rotate): New code iterator.
846         (rotate_insn): New code attribute.
847         (rotate): Ditto.
848         (SWIM124): New mode iterator.
849         (<rotate_insn>ti3): New expander.
850         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
851         any_rotate code iterator.
852         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
853         using any_rotate code iterator and SWIM124 mode iterator.
854         (ix86_rotlti3): New insn_and_split pattern.
855         (ix86_rotrti3): Ditto.
856         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
857         ix86_rotl{di,ti}3 patterns.
858         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
859         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
860         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
861         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
862         code iterator and SWI mode iterator.
863         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
864         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
865         code iterator.
866         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
867         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
868         (bswap rotatert splitter): Add splitter.
869         (bswap splitter): Macroize splitter using any_rotate code iterator.
870         Add insn predicate to split only for TARGET_USE_XCHGB or when
871         optimizing function for size.
872
873 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
874
875         * config/pa/pa.c (emit_move_sequence): Remove use of
876         deleted variable flag_argument_noalias.
877
878 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
879
880         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
881         configurations.
882         Add to unsupported targets list.
883         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
884         sparc*-sun-solaris2.[567]* from target lists.
885         * configure: Regenerate.
886         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
887         removal.
888         Remove Solaris 7 patch references.
889         (Specific, sparc-sun-solaris2.7): Removed.
890         (sparc-sun-solaris2*): Update Solaris 7 example.
891         (sparc64-*-solaris2*): Likewise.
892
893 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
894
895         * config.build (alpha*-dec-osf4*): Remove.
896         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
897         of obsolete configurations.
898         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
899         support.
900         * config/alpha/t-osf4: Renamed to ...
901         * config/alpha/t-osf5: ... this.
902         * config/alpha/osf.h: Renamed to ...
903         * config/alpha/osf5.h: ... this.
904         Merged old osf5.h contents.
905         Update comments.
906         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
907         (EXTRA_SPECS): Removed.
908         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
909         reflect removal of Tru64 UNIX V4.0/V5.0 support.
910         Document that.
911
912 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
913
914         * doc/contrib.texi (Contributors, Rainer Orth): Update.
915
916 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
917
918         PR/43702
919         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
920         __thiscall convention.
921
922 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
923
924         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
925         orig_base.
926         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
927
928 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
929
930         * function.c (assign_parms_initialize_all): Add unused attribute
931         to fntype.
932
933 2010-04-12  Richard Guenther  <rguenther@suse.de>
934
935         * gsstruct.def (GSS_CALL): New.
936         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
937         * gimple.h: Include tree-ssa-alias.h.
938         (struct gimple_statement_call): New.
939         (union gimple_statement_struct_d): Add gimple_call member.
940         (gimple_call_reset_alias_info): Declare.
941         (gimple_call_use_set): New function.
942         (gimple_call_clobber_set): Likewise.
943         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
944         * gimple.c (gimple_call_reset_alias_info): New function.
945         (gimple_build_call_1): Call it.
946         * lto-streamer-in.c (input_gimple_stmt): Likewise.
947         * tree-inline.c (remap_gimple_stmt): Likewise.
948         (expand_call_inline): Remove callused handling.
949         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
950         * tree-dfa.c (dump_variable): Likewise.
951         * tree-parloops.c (parallelize_loops): Likewise.
952         * tree-ssa.c (init_tree_ssa): Likewise.
953         (delete_tree_ssa): Likewise.
954         * tree-flow-inline.h (is_call_used): Remove.
955         * tree-flow.h (struct gimple_df): Remove callused member.
956         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
957         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
958         (ref_maybe_used_by_call_p_1): Simplify.
959         (call_may_clobber_ref_p_1): Likewise.
960         * tree-ssa-structalias.c (compute_points_to_sets): Set
961         the call stmt used and clobbered sets.
962         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
963         (find_tail_calls): Verify the tail call.
964
965 2010-04-12  Richard Guenther  <rguenther@suse.de>
966
967         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
968         single-iteration always-inline inlining.
969         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
970         (cgraph_decide_inlining): Do not handle always-inline specially.
971         (try_inline): Remove always-inline cycle detection special case.
972         Do not recurse on always-inlines.
973         (cgraph_early_inlining): Do not iterate if not optimizing.
974         (cgraph_gate_early_inlining): remove.
975         (pass_early_inline): Run unconditionally.
976         (gate_cgraph_decide_inlining): New function.
977         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
978         not inlining or optimizing.
979         (cgraph_decide_inlining_of_small_functions): Also consider
980         always-inline functions.
981         (cgraph_default_inline_p): Return true for nodes which should
982         disregard inline limits.
983         (estimate_function_body_sizes): Assume zero size and time for
984         nodes which are marked as disregarding inline limits.
985         (cgraph_decide_recursive_inlining): Do not perform recursive
986         inlining on always-inline nodes.
987
988 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
989
990         PR bootstrap/43699
991         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
992         for exprs satisfying handled_component_p.
993
994 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
995
996         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
997         non-constant aggregate elements.
998
999         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1000         is a real initialization.
1001
1002 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1003
1004         PR c/36774
1005         * c-decl.c (start_function): Move forward check for nested function.
1006
1007 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1008
1009         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1010         * config/sh/sh.c: Include reload.h.
1011         (sh_legitimize_reload_address): New.
1012         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1013         sh_legitimize_reload_address.
1014
1015 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1016
1017         * config/sh/sh.md (*movqi_pop): New insn pattern.
1018         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1019
1020 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1021
1022         * config/i386/i386.md (any_shiftrt): New code iterator.
1023         (shiftrt_insn): New code attribute.
1024         (shiftrt): Ditto.
1025         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1026         using any_shiftrt code iterator.
1027         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1028         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1029         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1030         pattern from corresponding peephole2 patterns.
1031         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1032         using any_shiftrt code iterator.
1033         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1034         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1035         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1036         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1037         *{ashr,lshr}<mode>3_cmp_zext.
1038         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1039
1040 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1041
1042         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1043         scratch register.
1044         (*lshr<mode>3_cconly): Ditto.
1045
1046 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1047
1048         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1049         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1050         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1051         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1052         DWI mode iterator.
1053         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1054         from corresponding peephole2 patterns.
1055         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1056         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1057         and *lshrdi3_1_rex64 using SWI mode iterator.
1058         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1059         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1060         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1061         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1062         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1063         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1064         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1065         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1066         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1067         SWI mode iterator.
1068
1069 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1070
1071         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1072         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1073         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1074         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1075         DWI mode iterator.
1076         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1077         from corresponding peephole2 patterns.
1078         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1079         (ashrsi3_cvt): Rename from ashrsi3_31.
1080         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1081         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1082         and x86_64_shift_adj_3 using SWI48 mode iterator.
1083         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1084         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1085         and *ashrdi3_1_rex64 using SWI mode iterator.
1086         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1087         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1088         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1089         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1090         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1091         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1092         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1093         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1094         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1095         SWI mode iterator.
1096         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1097         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1098         x86_shift<mode>_adj_3 expanders.
1099
1100 2010-04-10  Wei Guozhi  <carrot@google.com>
1101
1102         PR target/42601
1103         * config/arm/arm.c (arm_pic_static_addr): New function.
1104         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1105         a static symbol.
1106         (arm_output_addr_const_extra): Output expression for new pattern.
1107         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1108
1109 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1110
1111         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1112         not enabled.
1113
1114         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1115         * web.c: Include "insn-config.h" and "recog.h".
1116         (union_match_dups): New function.
1117         (web_main): Call it.
1118         (union_defs): Don't try to recognize match_dups.
1119
1120         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1121         if doing so would replace the entire pattern.
1122
1123 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1124
1125         PR target/43707
1126         PR target/43709
1127         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1128         and splitter pattern.  Change splitter operand 1 predicate to
1129         nonmemory_operand.
1130
1131 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1132
1133         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1134         lattices are addresses of CONST_DECLs with the same initial value.
1135         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1136         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1137
1138 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1139             Bernd Schmidt  <bernds@codesourcery.com>
1140
1141         * loop-invariant.c (replace_uses): New static function.
1142         (move_invariant_reg): Use it to ensure we can replace the uses.
1143
1144 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1145
1146         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1147         function template.
1148         (picochip_override_options): Enable section anchors only above -O1.
1149         (picochip_reorg): Fixed a couple of build warnings.
1150
1151 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1152
1153         * configure.ac (plugin -rdynamic test): Log result.
1154         * configure: Regenerate.
1155         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1156         (RDYNAMIC_SPEC): Define.
1157         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1158
1159 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1160
1161         * configure.ac: Determine Sun ld version numbers.
1162         (comdat_group): Restrict GNU ld version checks to gld.
1163         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1164         (enable_comdat): Support --enable-comdat.
1165         * configure: Regenerate.
1166         * doc/install.texi (Configuration): Document --enable-comdat.
1167
1168 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1169
1170         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1171         * config/sol2-gld.h: ... here.
1172         * config.gcc (sparc*-*-solaris2*): Reflect this.
1173         (i[34567]86-*-solaris2*): Use it.
1174
1175 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1176
1177         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1178         setup_clocks_p.
1179         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1180
1181 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1182
1183         PR 42965
1184         * diagnostic.c (diagnostic_initialize): Initialize
1185         some_warnings_are_errors.
1186         (diagnostic_finish): New.
1187         (diagnostic_action_after_output): Call it before exiting.
1188         (diagnostic_report_diagnostic): Do not print message here. Set
1189         some_warnings_are_errors.
1190         * diagnostic.h (diagnostic_context): Delete
1191         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1192         (diagnostic_finish): Declare.
1193         * toplev.c (toplev_main): Call it before exit.
1194
1195 2010-04-09  Jason Merrill  <jason@redhat.com>
1196
1197         PR c++/42623
1198         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1199         for incomplete type.
1200
1201         PR c++/41788
1202         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1203         based on a warning flag.
1204
1205 2010-04-09  Richard Guenther  <rguenther@suse.de>
1206
1207         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1208
1209 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1210
1211         PR bootstrap/43684
1212         * varasm.c (default_assemble_visibility): Wrap vars that are
1213         set, but unused, by targets without GAS.
1214         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1215         Remove set, but unused, vars.
1216         (rs6000_legitimize_tls_address): Likewise.
1217         (altivec_expand_dst_builtin): Likewise.
1218         * config/darwin.c (machopic_classify_symbol): Likewise.
1219         (machopic_indirection_name): Likewise.
1220
1221 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1222
1223         * config/i386/i386.md (DWI): New mode iterator.
1224         (S): New mode attribute.
1225         (shift_operand): Ditto.
1226         (shift_immediate_operand): Ditto.
1227         (ashl_input_operand): Ditto.
1228         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1229         using SDWIM mode iterator.
1230         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1231         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1232         DWI mode iterator.
1233         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1234         from corresponding peephole2 patterns.
1235         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1236         and x86_64_shift_adj_1 using SWI48 mode iterator.
1237         (x86_shift<mode>_adj_2): Ditto.
1238         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1239         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1240         using SWI48 mode iterator.
1241         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1242         *ashldi3_cmp_rex64 using SWI mode iterator.
1243         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1244         *ashldi3_cconly_rex64 using SWI mode iterator.
1245         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1246         x86_shift<mode>_adj_{1,2}.
1247         (ix86_split_ashr): Ditto.
1248         (ix86_split_lshr): Ditto.
1249
1250 2010-04-09  Richard Guenther  <rguenther@suse.de>
1251
1252         * target.h (builtin_conversion): Pass in input and output types.
1253         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1254         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1255         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1256         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1257
1258         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1259         Handle AVX modes.
1260         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1261
1262 2010-04-09  Richard Guenther  <rguenther@suse.de>
1263
1264         PR target/43152
1265         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1266
1267 2010-04-09  Richard Guenther  <rguenther@suse.de>
1268
1269         * tree-vectorizer.h (struct _stmt_vec_info): Document
1270         that vectype is the type of the LHS.
1271         (supportable_widening_operation, supportable_narrowing_operation):
1272         Get both input and output vector types as arguments.
1273         (vect_is_simple_use_1): Declare.
1274         (get_same_sized_vectype): Likewise.
1275         * tree-vect-loop.c (vect_determine_vectorization_factor):
1276         Set STMT_VINFO_VECTYPE to the vector type of the def.
1277         (vectorizable_reduction): Adjust.
1278         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1279         Adjust.  Specify the output vector type.
1280         (vect_pattern_recog_1): Adjust.
1281         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1282         (vectorizable_call): Adjust.
1283         (vectorizable_conversion): Likewise.
1284         (vectorizable_operation): Likewise.
1285         (vectorizable_type_demotion): Likewise.
1286         (vectorizable_type_promotion): Likewise.
1287         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1288         the def.
1289         (vect_is_simple_use_1): New function.
1290         (supportable_widening_operation): Get both input and output
1291         vector types.
1292         (supportable_narrowing_operation): Likewise.
1293         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1294
1295 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1296
1297         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1298         __thiscall and _thiscall as predefined macros.
1299         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1300         thiscall attribute handling.
1301         (ix86_comp_type_attributes): Likewise.
1302         (ix86_function_regparm): Likewise.
1303         (ix86_return_pops_args): Likewise.
1304         (init_cumulative_args): Likewise.
1305         (find_drap_reg): Likewise.
1306         (ix86_static_chain): Likewise.
1307         (x86_this_parameter): Likewise.
1308         (x86_output_mi_thunk): Likewise.
1309         (ix86_attribute_table): Add description for thiscall attribute.
1310         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1311         * doc/extend.texi: Add documentation for thiscall.
1312
1313 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1314
1315         PR c++/28584
1316         * c.opt (Wint-to-pointer-cast): Available in C++.
1317         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1318
1319 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1320
1321         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1322         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1323         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1324         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1325         function type instead.  Reorder and simplify checks.
1326
1327         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1328
1329 2010-04-08  Jing Yu  <jingyu@google.com>
1330             Zdenek Dvorak  <ook@ucw.cz>
1331
1332         PR tree-optimization/42720
1333         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1334         loop unswitch conditions here from ...
1335         (tree_unswitch_single_loop): ... here.
1336
1337 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1338
1339         * tree-if-conv.c: Fix comments and simplify logic.
1340
1341 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1342
1343         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1344         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1345         (main_tree_if_conversion): Update call to tree_if_conversion.
1346
1347 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1348
1349         PR 42485
1350         * doc/invoke.texi (-b,-V): Delete.
1351         * doc/tm.texi: Do not mention -b.
1352         * gcc.c (display_help): Delete -b and -V.
1353         (process_command): Delete -b and -V.
1354         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1355
1356 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1357             Wolfgang Gellerich  <gellerich@de.ibm.com>
1358
1359         Implement target hook for loop unrolling
1360         * target.h (loop_unroll_adjust): Add a new target hook function.
1361         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1362         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1363         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1364         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1365         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1366         target hook.
1367         (decide_unroll_stupid): Likewise.
1368
1369 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1370
1371         PR target/43643
1372         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1373
1374 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1375
1376         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1377         (Specific, *-*-solaris2*): Likewise.
1378         Don't prefer Sun as over GNU as.
1379
1380 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1381
1382         * config/s390/s390.c (override_options): Adjust the z10
1383           defaults for max-unroll-times, max-completely-peeled-insns
1384           and max-completely-peel-times.
1385
1386 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1387
1388         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1389         instructions for z10.
1390         (s390_expand_setmem): Likewise.
1391         (s390_expand_cmpmem): Likewise.
1392
1393 2010-04-08  Richard Guenther  <rguenther@suse.de>
1394
1395         PR tree-optimization/43679
1396         * tree-ssa-pre.c (eliminate): Only propagate copies.
1397
1398 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1399
1400         PR bootstrap/43681
1401         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1402         set but not used variable warning.
1403
1404 2010-04-08  Wei Guozhi  <carrot@google.com>
1405
1406         PR target/41653
1407         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1408         (arm_size_rtx_costs): Call the new function when optimized for size.
1409
1410 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1411
1412         PR debug/43670
1413         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1414         op0 is not a MEM, just return NULL instead of assertion
1415         failure.
1416         (discover_nonconstant_array_refs): Don't walk debug stmts.
1417
1418 2010-04-08  Doug Kwan  <dougkwan@google.com>
1419
1420         * configure.ac: Recognize gold and do not use its version number
1421         to test ld features.
1422         * configure: Regenerate.
1423
1424 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1425
1426         PR middle-end/40815
1427         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1428         (negate_value): Move code to push elements to broken_up_substracts ...
1429         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1430         negative pair to plus_negates.
1431         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1432
1433 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1434
1435         * doc/install.texi (Configuration): Move description of
1436         --enable-lto, --with-libelf*, --enable-gold from Java section to
1437         general section.
1438
1439         * doc/generic.texi (Working with declarations)
1440         (Function Properties, C and C++ Trees): Fix typos.
1441         * doc/sourcebuild.texi (Top Level): Likewise.
1442
1443 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1444
1445         PR c/18624
1446         * tree.h (DECL_READ_P): Define.
1447         (struct tree_decl_common): Add decl_read_flag.
1448         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1449         a set but not used warning.
1450         (merge_decls): Merge DECL_READ_P flag.
1451         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1452         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1453         * c-common.c (handle_used_attribute, handle_unused_attribute):
1454         Likewise.
1455         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1456         New prototypes.
1457         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1458         New functions.
1459         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1460         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1461         c_parser_binary_expression, c_parser_cast_expression,
1462         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1463         Call default_function_array_read_conversion instead of
1464         default_function_array_conversion where needed.
1465         (c_parser_unary_expression, c_parser_conditional_expression,
1466         c_parser_postfix_expression_after_primary, c_parser_initelt):
1467         Likewise.  Call mark_exp_read where needed.
1468         (c_parser_statement_after_labels, c_parser_asm_operands,
1469         c_parser_typeof_specifier, c_parser_sizeof_expression,
1470         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1471         where needed.
1472         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1473         New.
1474         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1475         (warn_unused_but_set_parameter): Default to warn_unused
1476         && extra_warnings.
1477         * doc/invoke.texi: Document -Wunused-but-set-variable and
1478         -Wunused-but-set-parameter.
1479
1480         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1481         used count variable.
1482         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1483         when operandN variables aren't used in the body of the expander
1484         or splitter.
1485         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1486         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1487         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1488         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1489         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1490         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1491         * tree.c (PROCESS_ARG): Likewise.
1492
1493 2010-04-07  Simon Baldwin  <simonb@google.com>
1494
1495         * diagnostic.h (diagnostic_override_option_index): New macro to
1496         set a diagnostic's option_index.
1497         * c-tree.h (c_cpp_error): Add warning reason argument.
1498         * opts.c (_warning_as_error_callback): New.
1499         (register_warning_as_error_callback): Store callback for
1500         warnings enabled via enable_warning_as_error.
1501         (enable_warning_as_error): Call callback, minor code tidy.
1502         * opts.h (register_warning_as_error_callback): Declare.
1503         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1504         response to -Werror=.
1505         (c_common_init_options): Register warning_as_error_callback in opts.c.
1506         * common.opt: Add -Wno-cpp option.
1507         * c-common.c (struct reason_option_codes_t): Map cpp warning
1508         reason codes to gcc option indexes.
1509         * (c_option_controlling_cpp_error): New function, lookup the gcc
1510         option index for a cpp warning reason code.
1511         * (c_cpp_error): Add warning reason argument, call
1512         c_option_controlling_cpp_error for diagnostic_override_option_index.
1513         * doc/invoke.texi: Document -Wno-cpp.
1514
1515 2010-04-07  Richard Guenther  <rguenther@suse.de>
1516
1517         * ipa-reference.c (mark_load): Use get_base_address.
1518         (mark_store): Likewise.
1519
1520         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1521         inserting GIMPLE_NOPs into the IL.
1522         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1523         Explicitly strip handled components and indirect references.
1524
1525         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1526         folding address expressions.
1527         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1528         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1529         operand_equal_p to compare decls.
1530         (ptr_deref_may_alias_decl_p): Likewise.
1531         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1532         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1533         Handle reversed comparison ops.
1534         * tree-sra.c (asm_visit_addr): Use get_base_address.
1535         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1536         * ipa-reference.c (mark_address): Use get_base_address.
1537
1538 2010-04-07  Richard Guenther  <rguenther@suse.de>
1539
1540         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1541         Propagate constants everywhere.
1542
1543 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1544
1545         PR debug/43516
1546         * tree.c (MAX_INT_CACHED_PREC): Define.
1547         (nonstandard_integer_type_cache): New array.
1548         (build_nonstandard_integer_type): Cache results for precision
1549         <= MAX_INT_CACHED_PREC.
1550
1551 2010-04-07  Richard Guenther  <rguenther@suse.de>
1552
1553         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1554         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1555         * common.opt: Likewise.
1556         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1557         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1558         (nonoverlapping_memrefs_p): Likewise.
1559         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1560         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1561         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1562         OPT_fargument_noalias_global for backward compatibility.
1563
1564 2010-04-07  Richard Guenther  <rguenther@suse.de>
1565
1566         PR tree-optimization/43270
1567         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1568         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1569         * tree-ssa-pre.c (phi_translate_1): Adjust.
1570         (fully_constant_expression): Split out vn_reference handling to ...
1571         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1572         Fold reads from constant strings.
1573         (vn_reference_lookup): Handle fully constant references.
1574         (vn_reference_lookup_pieces): Likewise.
1575         * Makefile.in (expmed.o-warn): Add -Wno-error.
1576
1577 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1578
1579         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1580
1581 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1582
1583         PR driver/41594
1584         * gcc.c: Add -static-libstdc++ to list of recognized options.
1585
1586 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1587
1588         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1589
1590 2010-04-07  Richard Guenther  <rguenther@suse.de>
1591
1592         PR middle-end/42617
1593         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1594         bases build simple mem attributes to retain points-to information.
1595
1596 2010-04-07  Richard Guenther  <rguenther@suse.de>
1597
1598         PR middle-end/42617
1599         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1600         preserve points-to related information.
1601
1602 2010-04-07  Richard Guenther  <rguenther@suse.de>
1603
1604         PR middle-end/42617
1605         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1606         discard plain indirect references.
1607         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1608         * tree.c (tree_nop_conversion): Likewise.
1609
1610 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
1611
1612         PR debug/43628
1613         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1614
1615 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
1616
1617         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1618         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1619
1620 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1621
1622         * tree-if-conv.c: Fix indentation and comments.
1623
1624 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1625
1626         * tree-if-conv.c: Sort static functions in topological order.
1627
1628 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1629
1630         * tree-if-conv.c: Fix indentation and comments.
1631
1632 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1633
1634         PR middle-end/43519
1635         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1636         lang_hooks.types.type_for_size instead of
1637         build_nonstandard_integer_type.
1638         When converting an unsigned type to signed, double its precision.
1639         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1640         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1641         (graphite_create_new_loop_guard): When ub + 1 wraps around,
1642         use lb <= ub.
1643
1644 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1645
1646         PR middle-end/43519
1647         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1648         POINTER_PLUS_EXPR for pointer types.
1649
1650 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1651
1652         PR middle-end/43519
1653         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1654         * graphite-clast-to-gimple.c: Include langhooks.h.
1655         (max_signed_precision_type): New.
1656         (max_precision_type): Takes two types as arguments.
1657         (precision_for_value): New.
1658         (precision_for_interval): New.
1659         (gcc_type_for_interval): New.
1660         (gcc_type_for_value): New.
1661         (gcc_type_for_clast_term): New.
1662         (gcc_type_for_clast_red): New.
1663         (gcc_type_for_clast_bin): New.
1664         (gcc_type_for_clast_expr): Split up into several functions.
1665         (gcc_type_for_clast_eq): Rewritten.
1666         (compute_bounds_for_level): New.
1667         (compute_type_for_level_1): New.
1668         (compute_type_for_level): New.
1669         (gcc_type_for_cloog_iv): Removed.
1670         (gcc_type_for_iv_of_clast_loop): Rewritten.
1671         (graphite_create_new_loop): Compute the lower and upper bound types
1672         with gcc_type_for_clast_expr.
1673         (graphite_create_new_loop_guard): Same.
1674         (find_cloog_iv_in_expr): Removed.
1675         (compute_cloog_iv_types_1): Removed.
1676         (compute_cloog_iv_types): Removed.
1677         (gloog): Do not call compute_cloog_iv_types.
1678         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1679         GBB_CLOOG_IV_TYPES.
1680         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1681         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1682         (GBB_CLOOG_IV_TYPES): Removed.
1683
1684 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1687         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1688         (detect_commutative_reduction): Same.
1689
1690 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1691
1692         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1693         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
1694         argument.
1695         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1696         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1697         (rewrite_commutative_reductions_out_of_ssa): Same.
1698         * passes.c (execute_function_todo): Call verify_ssa for every pass
1699         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
1700         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1701         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1702         with an extra argument.
1703         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
1704         verify_ssa only when the extra argument is true.
1705         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1706         with an extra argument.
1707         (tree_transform_and_unroll_loop): Same.
1708
1709 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
1710
1711         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1712         for all the passes of the LNO having LOOP_CLOSED_SSA.
1713         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1714         * tree-loop-distribution.c (pass_loop_distribution): Same.
1715         * tree-pass.h (TODO_verify_loops): Removed.
1716         * tree-ssa-loop.c (pass_tree_loop_init): Same.
1717         (pass_lim): Same.
1718         (pass_tree_unswitch): Same.
1719         (pass_predcom): Same.
1720         (pass_vectorize): Same.
1721         (pass_linear_transform): Same.
1722         (pass_graphite_transforms): Same.
1723         (pass_iv_canon): Same.
1724         (pass_complete_unroll): Same.
1725         (pass_complete_unrolli): Same.
1726         (pass_parallelize_loops): Same.
1727         (pass_loop_prefetch): Same.
1728         (pass_iv_optimize): Same.
1729
1730 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
1731
1732         PR middle-end/32824
1733         * passes.c (init_optimization_passes): Move pass_lim before
1734         pass_copy_prop and pass_dce_loop.
1735
1736 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1737
1738         PR target/43667
1739         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1740         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1741         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1742         MULTI_* defines for 4 argument vpermil2p* builtins.
1743
1744 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1745
1746         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1747         * config/i386/i386.c (x86_maybe_negate_const_int): New.
1748         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1749         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1750         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1751         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1752         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1753         Use x86_maybe_negate_const_int to output insn mnemonic.
1754         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
1755         check from instruction predicate.  Update comments.
1756         * config/i386/sync.md (sync_add<mode>): Use
1757         x86_maybe_negate_const_int to output insn mnemonic.
1758
1759 2010-04-06  Jan Hubicka  <jh@suse.cz>
1760
1761         PR tree-optimization/42906
1762         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1763         IGNORE_SELF argument.  Set visited_control_parents for fully
1764         processed BBs.
1765         (find_obviously_necessary_stmts): Update call of
1766         mark_control_dependent_edges_necessary.
1767         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
1768
1769 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
1770
1771         * config/i386/i386.md: Remove comment about 'e' and 'E'
1772         operand modifier.
1773
1774 2010-04-06  Richard Guenther  <rguenther@suse.de>
1775
1776         PR tree-optimization/43627
1777         * tree-vrp.c (extract_range_from_unary_expr): Widenings
1778         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1779         not varying.
1780
1781 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
1782
1783         * BASE-VER: Change to 4.6.0.
1784
1785         PR target/43638
1786         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1787         handling.
1788
1789 2010-04-06  Richard Guenther  <rguenther@suse.de>
1790
1791         PR middle-end/43661
1792         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1793
1794 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1795
1796         * doc/invoke.texi (Optimize Options): Document that LTO
1797         won't remove object access purely due to incompatible
1798         declarations.
1799
1800 2010-04-04  Matthias Klose  <doko@ubuntu.com>
1801
1802         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1803         Initialize variable.
1804
1805 2010-04-03  Richard Guenther  <rguenther@suse.de>
1806
1807         PR middle-end/42509
1808         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1809         require a non-NULL MEM_OFFSET.
1810
1811 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
1812
1813         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1814         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1815         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1816         config/alpha/predicates.md, config/arm/arm.md,
1817         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1818         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1819         config/darwin9.h, config/darwin.c, config/darwin.h,
1820         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1821         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1822         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1823         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1824         config/mips/mips.md, config/mn10300/mn10300.c,
1825         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1826         config/rs6000/aix.h, config/rs6000/dfp.md,
1827         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1828         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1829         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1830         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1831         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1832         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1833         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1834         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1835         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1836         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1837         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1838         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1839         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1840         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1841         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1842         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1843         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1844         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1845         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1846         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1847         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1848         opt-functions.awk, opth-gen.awk, params.def, passes.c,
1849         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1850         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1851         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1852         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1853         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1854         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1855         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1856         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1857         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1858         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1859         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1860         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1861         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1862         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1863
1864 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1865
1866         PR other/43620
1867         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1868         * aclocal.m4: Regenerate.
1869
1870 2010-04-02  Richard Guenther  <rguenther@suse.de>
1871
1872         PR tree-optimization/43629
1873         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1874         if we have seen a constant value.
1875
1876 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
1877
1878         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1879
1880 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
1881
1882         PR target/43469
1883         * arm.c (legitimize_tls_address): Adjust call to
1884         gen_tls_load_dot_plus_four.
1885         (arm_note_pic_base): New function.
1886         (arm_cannot_copy_insn_p): Use it.
1887         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1888         constraint.
1889
1890 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1891
1892         PR bootstrap/43531
1893
1894         Revert:
1895         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1896
1897         * Makefile.in ($(out_object_file)): Depend on
1898         gt-$(basename $(notdir $(out_file))).h.
1899
1900 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
1901
1902         * config.gcc (lm32-*-rtems*): Add t-lm32.
1903
1904 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
1905
1906         * config.gcc: Add lm32-*-rtems*.
1907         * config/lm32/rtems.h: New file.
1908
1909 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
1910
1911         PR target/42609
1912         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1913
1914 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
1915
1916         * dwarf2out.c (output_compilation_unit_header): For
1917         -gdwarf-4 use version 4 instead of version 3.
1918         (output_line_info): For version 4 and above emit additional
1919         maximum ops per insn header field.
1920         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1921
1922         * dwarf2out.c (is_c_family, is_java): Remove.
1923         (lower_bound_default): New function.
1924         (add_bound_info, gen_descr_array_type_die): Use it.
1925
1926 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
1927
1928         PR debug/43325
1929         * dwarf2out.c (gen_variable_die): Allow debug info for variable
1930         re-declaration when it happens in a function.
1931
1932 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
1933
1934         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1935         (cgraph_remove_function_insertion_hook): Same.
1936         (cgraph_call_function_insertion_hooks): Same.
1937
1938 2010-04-01  Richard Guenther  <rguenther@suse.de>
1939
1940         PR middle-end/43614
1941         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1942         and TREE_THIS_VOLATILE.
1943         (copy_ref_info): Likewise.
1944         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1945         * tree.c (build6_stat): Ignore side-effects of all but arg5
1946         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
1947         TARGET_MEM_REF.
1948
1949 2010-04-01  Richard Guenther  <rguenther@suse.de>
1950
1951         PR tree-optimization/43607
1952         * ipa-type-escape.c (check_call): Do not access non-existing
1953         arguments.
1954
1955 2010-04-01  Richard Guenther  <rguenther@suse.de>
1956
1957         PR middle-end/43602
1958         Revert
1959         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
1960                     Jack Howarth <howarth@bromo.med.uc.edu>
1961
1962         * tree-profile.c (tree_init_ic_make_global_vars): Make static
1963         variables TLS.
1964
1965 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1966
1967         * doc/install.texi (Prerequisites): Document libelf usability on
1968         IRIX 5/6 and Solaris 2.
1969         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
1970         Update GNU as, GNU ld requirements.
1971         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
1972         Document Sun Studio compiler download.
1973         Update and simplify as, ld recommendations.
1974         (Specific, *-*-solaris2.7): Note obsoletion, removal.
1975
1976 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1977
1978         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
1979         with_tune_32 to pentium4.
1980
1981 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
1982
1983         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
1984
1985 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1986
1987         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
1988         obsoletion, removal.
1989         Update IDO URL.
1990         Document GNU as requirement.
1991         Update configure requirements.
1992         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
1993         Recomment IRIX 6.5.18+.
1994         Document IDF/IDL requirement.
1995         Document GNU as requirement.
1996         Document GNU ld bootstrap failure.
1997         Remove freeware.sgi.com reference.
1998
1999 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2000
2001         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2002         UNIX V4.0, V5.0 obsoletion, removal.
2003         Remove --with-gc=simple reference.
2004         Update VM requirements during bootstrap.
2005         Remove -oldas bootstrap description.
2006         Update binutils reference.
2007         Remove comparison failure note.
2008
2009 2010-03-31  Richard Guenther  <rguenther@suse.de>
2010             Zdenek Dvorak  <ook@ucw.cz>
2011             Sebastian Pop  <sebastian.pop@amd.com>
2012
2013         PR middle-end/43464
2014         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2015         with multiple arguments.
2016         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2017
2018 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2019
2020         * graphite-dependences.c (print_pddr): Call print_pdr with an
2021         extra argument.
2022         * graphite-poly.c (debug_pdr): Add an extra argument for the
2023         verbosity level.
2024         (print_pdr): Same.
2025         (print_pbb_domain): Same.
2026         (print_pbb): Same.
2027         (print_scop_context): Same.
2028         (print_scop): Same.
2029         (print_cloog): Same.
2030         (debug_pbb_domain): Same.
2031         (debug_pbb): Same.
2032         (print_pdrs): Same.
2033         (debug_pdrs): Same.
2034         (debug_scop_context): Same.
2035         (debug_scop): Same.
2036         (debug_cloog): Same.
2037         (print_scop_params): Same.
2038         (debug_scop_params): Same.
2039         (print_iteration_domain): Same.
2040         (print_iteration_domains): Same.
2041         (debug_iteration_domain): Same.
2042         (debug_iteration_domains): Same.
2043         (print_scattering_function): Same.
2044         (print_scattering_functions): Same.
2045         (debug_scattering_function): Same.
2046         (debug_scattering_functions): Same.
2047         * graphite-poly.h (debug_pdr): Update declaration.
2048         (print_pdr): Same.
2049         (print_pbb_domain): Same.
2050         (print_pbb): Same.
2051         (print_scop_context): Same.
2052         (print_scop): Same.
2053         (print_cloog): Same.
2054         (debug_pbb_domain): Same.
2055         (debug_pbb): Same.
2056         (print_pdrs): Same.
2057         (debug_pdrs): Same.
2058         (debug_scop_context): Same.
2059         (debug_scop): Same.
2060         (debug_cloog): Same.
2061         (print_scop_params): Same.
2062         (debug_scop_params): Same.
2063         (print_iteration_domain): Same.
2064         (print_iteration_domains): Same.
2065         (debug_iteration_domain): Same.
2066         (debug_iteration_domains): Same.
2067         (print_scattering_function): Same.
2068         (print_scattering_functions): Same.
2069         (debug_scattering_function): Same.
2070         (debug_scattering_functions): Same.
2071
2072 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2073
2074         * graphite-poly.c (print_scattering_function_1): New.
2075         (print_scattering_function): Call it.
2076         (print_scop_params): Remove spaces at the end of lines.
2077         (print_cloog): New.
2078         (debug_cloog): New.
2079         * graphite-poly.h (print_cloog): Declared.
2080         (debug_cloog): Declared.
2081
2082 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2083
2084         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2085         in loop->header.
2086         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2087         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2088         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2089         to switch between adding the IV bump in loop->latch or in loop->header.
2090
2091 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         * graphite-poly.c (print_scattering_function): Pretty print following
2094         the scoplib format.
2095         (print_pdr): Same.
2096         (print_pbb_domain): Same.
2097         (dump_gbb_cases): Same.
2098         (dump_gbb_conditions): Same.
2099         (print_pdrs): Same.
2100         (print_pbb): Same.
2101         (print_scop_params): Same.
2102         (print_scop_context): Same.
2103         (print_scop): Same.
2104         (print_pbb_body): New.
2105         (lst_indent_to): New.
2106         (print_lst): Start new lines with a #.
2107         * graphite-poly.h (pbb_bb): New.
2108         (pbb_index): Use pbb_bb.
2109         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2110         disjuncts.
2111         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2112
2113 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2114
2115         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2116         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2117         and 0 instead of 1 for dw_val_class_flag.
2118         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2119         dw_val_class_range_list, dw_val_class_loc_list,
2120         dw_val_class_lineptr and dw_val_class_macptr, use
2121         DW_FORM_flag_present for dw_val_class_flag and
2122         DW_FORM_exprloc for dw_val_class_loc.
2123         (output_die): For -gdwarf-4 print dw_val_class_loc
2124         size as uleb128 instead of 1 or 2 bytes and don't print
2125         anything for dw_val_class_flag.
2126
2127         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2128         instead of cselib_lookup following by tweaking locs->setting_insn.
2129
2130         PR bootstrap/43596
2131         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2132         even before returning from label, setjmp call or volatile asm
2133         handling.
2134
2135 2010-03-31  Richard Guenther  <rguenther@suse.de>
2136
2137         PR middle-end/43600
2138         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2139         temporary data on stack.
2140
2141 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2142
2143         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2144         (PUSHSECTION_ASM_OP): Remove.
2145         (POPSECTION_ASM_OP): Remove.
2146         (PUSHSECTION_FORMAT): Remove.
2147         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2148         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2149         * config/sol2.c (solaris_output_init_fini): Use it.
2150
2151 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2152
2153         PR 43574
2154         * opt-functions.awk (var_type_struct): Use signed char type
2155         for simple variables.
2156
2157 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2158
2159         * config/sol2.c: Include output.h.
2160         (solaris_assemble_visibility): New function.
2161         * config/t-sol2 (sol2.o): Add output.h dependency.
2162         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2163         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2164         Redefine.
2165
2166 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2167
2168         PR target/43580
2169         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2170         V2SImode or XFmode on PRE_DEC.
2171
2172         PR debug/43557
2173         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2174         BLKmode.
2175
2176 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2177
2178         PR 43562
2179         * reload.h (caller_save_initialized_p): Declare.
2180         * toplev.c (backend_init_target): Don't call
2181         init_caller_save but set caller_save_initialized_p to false.
2182         * caller-save.c (caller_save_initialized_p): Define.
2183         (init_caller_save): Check caller_save_initialized_p.
2184         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2185
2186 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2187
2188         PR target/39048
2189         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2190         and soft-fp/t-softfp to tmake_file.
2191         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2192         (LIBGCC2_TF_CEXT): Define.
2193         (TF_SIZE): Define.
2194
2195 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2196
2197         PR debug/42977
2198         * cselib.c (n_useless_values): Document handling of debug locs.
2199         (n_useless_debug_values, n_debug_values): New variables.
2200         (new_elt_loc_list): Don't add to debug values, keep count.
2201         (promote_debug_loc): New.
2202         (cselib_reset_table): Zero new variables.
2203         (entry_and_rtx_equal_p): Promote debug locs.
2204         (discard_useless_locs): Increment n_useless_debug_values for
2205         debug values.
2206         (remove_useless_values): Adjust n_useless_values and n_debug_values
2207         with n_useless_debug_values.
2208         (add_mem_for_addr): Promote debug locs.
2209         (cselib_lookup_mem): Likewise.
2210         (cselib_lookup_addr): Renamed to...
2211         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2212         (cselib_log_lookup): ... this.  Turn into...
2213         (cselib_lookup_addr): ... new wrapper.
2214         (cselib_lookup_from_insn): New.
2215         (cselib_invalidate_regno): Increment n_useless_debug_values for
2216         debug values.
2217         (cselib_invalidate_mem): Likewise.
2218         (cselib_process_insn): Take n_deleted and n_debug_values into
2219         account to guard remove_useless_value call.
2220         (cselib_finish): Zero n_useless_debug_values.
2221         * cselib.h (cselib_lookup_from_insn): Declare.
2222         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2223         (sched_analyze_2): Likewise.
2224
2225 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2226
2227         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2228         functions.
2229         (adjust_mems): Replace narrowing SUBREG of expression containing
2230         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2231         with operations in the narrower mode.
2232
2233         PR debug/43593
2234         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2235         regs_invalidated_by_call instead all call_used_reg_set registers.
2236
2237 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2238
2239         PR middle-end/43430
2240         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2241         pointer comparisons with types_compatible_p.
2242         * tree-vect-stmts.c (vectorizable_call): Same.
2243         (vectorizable_condition): Same.
2244
2245 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2246
2247         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2248         stack check if the mask would be zero.
2249
2250 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2251             Jack Howarth <howarth@bromo.med.uc.edu>
2252
2253         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2254         variables TLS.
2255
2256 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2257
2258         PR other/25232
2259         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2260         and __unordtf2.
2261         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2262         Include ___unordxf2 and ___unordtf2.
2263         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2264         GCC_4.4.0 here.
2265
2266 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2267
2268         * config/lm32/t-lm32: New file.
2269         * config.gcc: Use the above file when targetting lm32.
2270
2271 2010-03-28  Duncan Sands  <baldrick@free.fr>
2272
2273         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2274
2275 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2276
2277         PR middle-end/43431
2278         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2279         Improve vectorization cost model diagnostic.
2280
2281 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2282
2283         PR middle-end/43436
2284         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2285         compute_data_dependences_for_loop returns false, early exit
2286         and output an extra diagnostic for the failed data reference
2287         analysis.
2288
2289 2010-03-29  Richard Guenther  <rguenther@suse.de>
2290
2291         PR tree-optimization/43560
2292         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2293         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2294
2295 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2296
2297         PR 43564
2298         * toplev.c (process_options): Set optimization_default_node
2299         and optimization_current_node.
2300         * opts.c (decode_options): Don't set optimization_default_node
2301         and optimization_current_node.
2302
2303 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2304
2305         * config/rtems.h: Abandon -qrtems_debug.
2306
2307 2010-03-28  Jan Hubicka  <jh@suse.cz>
2308
2309         PR tree-optimization/43505
2310         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2311         map should not be copied.
2312
2313 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2314
2315         PR middle-end/41674
2316         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2317         cdtors, set DECL_PRESERVE_P.
2318         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2319         should be preseved.
2320
2321 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2322
2323         PR tree-optimization/43528
2324         * stor-layout.c (place_field): Check that constant fits into
2325         unsigned HWI when skipping calculation of MS bitfield layout.
2326
2327 2010-03-27  Jan Hubicka  <jh@suse.cz>
2328
2329         PR middle-end/43391
2330         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2331         notice_global_symbol work.
2332
2333 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2334
2335         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2336         instead of dwarf2out_decl.
2337         (struct var_loc_node): Remove section_label field.
2338         (dwarf2out_function_decl): New function.
2339         (dwarf2out_var_location): Don't set section_label field.
2340         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2341
2342 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2343
2344         PR tree-optimization/43544
2345         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2346         First argument for builtin vectorized function hook is now a
2347         tree to be able to distinguish between machine specific and
2348         standard builtins.
2349         * targhooks.c (default_builtin_vectorized_function): Ditto.
2350         * targhooks.h (default_builtin_vectorized_function): Ditto.
2351         * target.h (struct gcc_target): Ditto.
2352         * tree-vect-stmts.c (vectorizable_function): Ditto.
2353         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2354         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2355         Ditto.
2356
2357 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2358
2359         PR c/43381
2360         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2361         nested binding iff it is a FUNCTION_DECL.
2362         (store_parm_decls_newstyle): Pass nested=true to bind for
2363         FUNCTION_DECLs amongst parameters.
2364
2365 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2366
2367         * var-tracking.c (vt_expand_loc_callback): Don't run
2368         cselib_expand_value_rtx_cb in dummy mode if
2369         cselib_dummy_expand_value_rtx_cb returned false.
2370
2371         * var-tracking.c (emit_note_insn_var_location): For one part
2372         notes with offset 0, don't add EXPR_LIST around the location.
2373         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2374         add_location_or_const_value_attribute): Adjust for that change.
2375
2376         PR debug/43540
2377         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2378         into first operand and location into second.
2379         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2380         dw_cfi_oprnd_loc for DW_CFA_expression.
2381         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2382         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2383         assume first argument is regnum and second argument is location.
2384
2385 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2386
2387         PR target/42113
2388         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2389         of scratch register to DImode.  Split to DImode comparison operator.
2390         Use SImode subreg of scratch register in the multiplication.
2391         (*cmp_sadd_sidi): Ditto.
2392         (*cmp_ssub_si): Ditto.
2393         (*cmp_ssub_sidi): Ditto.
2394
2395 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2396
2397         PR target/43524
2398         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2399         Remove invalid assert and wrong comment.
2400
2401 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2402
2403         PR debug/43516
2404         * flags.h (final_insns_dump_p): New extern.
2405         * final.c (final_insns_dump_p): New variable.
2406         (rest_of_clean_state): Set it before -fdump-final-insns=
2407         dumping, clear afterwards.
2408         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2409         MEM_ALIAS_SET on MEMs.
2410
2411 2010-03-26  David S. Miller  <davem@davemloft.net>
2412
2413         * configure.ac: Fix sparc GOTDATA_OP bug check.
2414         * configure: Rebuild.
2415
2416 2010-03-26  Alan Modra  <amodra@gmail.com>
2417
2418         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2419
2420 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2421
2422         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2423         TLS_SECTION_ASM_FLAG.
2424
2425 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2426
2427         PR bootstrap/43511
2428         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2429         Clear first_function_block_is_cold.
2430
2431         PR c/43385
2432         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2433         argument if the argument is truth_value_p.
2434
2435 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2436
2437         * config/rs6000/constraints.md: Update copyright year for my changes.
2438
2439         PR target/43484
2440         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2441         used in reg+reg addressing, swap registers.
2442
2443 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2444
2445         PR debug/43293
2446         * target.h (struct gcc_target): Add code_end hook.
2447         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2448         if not yet defined.
2449         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2450         * toplev.c (compile_file): Call targetm.asm_out.code_end
2451         hook before unwind info/debug info output.
2452         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2453         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2454         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2455         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2456         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2457         * config/i386/i386.c (ix86_file_end): Renamed to...
2458         (ix86_code_end): ... this.  Make static.  Don't call
2459         file_end_indicate_exec_stack.  Emit unwind info using
2460         final_start_function/final_end_function.
2461         (darwin_x86_file_end): Remove.
2462         (TARGET_ASM_CODE_END): Define.
2463         * config/i386/i386.h (TARGET_ASM_FILE_END,
2464         NEED_INDICATE_EXEC_STACK): Don't define.
2465         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2466         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2467         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2468         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2469
2470         PR target/43498
2471         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2472         at the beginning and final_end_function at the end.
2473         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2474
2475 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2476
2477         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2478         and Sun as TLS syntax.
2479         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2480         * configure: Regenerate.
2481         * config.in: Regenerate.
2482         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2483         (default_elf_asm_named_section): Use it.
2484         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2485         (i386_output_dwarf_dtprel): Likewise.
2486         (output_addr_const_extra): Likewise.
2487         (output_pic_addr_const): Lowercase @GOTTPOFF.
2488         (output_addr_const_extra): Likewise.
2489         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2490         (output_addr_const_extra): Likewise.
2491         (output_pic_addr_const): Lowercase @INDNTPOFF.
2492         (output_addr_const_extra): Likewise.
2493         (output_pic_addr_const): Lowercase @NTPOFF.
2494         (output_addr_const_extra): Likewise.
2495         (output_pic_addr_const): Lowercase @TPOFF.
2496         (output_addr_const_extra): Likewise.
2497         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2498         (*tls_global_dynamic_64): Likewise.
2499         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2500         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2501
2502         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2503         (ASM_OUTPUT_TLS_COMMON): Use it.
2504         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2505
2506         PR target/38118
2507         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2508         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2509         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2510         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2511         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2512         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2513
2514 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2515
2516         * config/i386/i386.c (override_options): Don't accept
2517         -mtls-dialect=sun any longer.
2518         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2519         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2520         (*tls_local_dynamic_base_32_sun): Likewise.
2521         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2522
2523 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2524
2525         PR debug/43508
2526         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2527         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2528
2529         PR debug/43479
2530         * ira.c (adjust_cleared_regs): New function.
2531         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2532
2533         PR debug/19192
2534         PR debug/43479
2535         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2536         from gimple_block.
2537         * expr.c (expand_expr_real): Restore previous
2538         curr_insn_source_location and curr_insn_block after
2539         expand_expr_real_1 call.
2540         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2541         instead of expand_expr_real_1.
2542
2543 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2544
2545         PR rtl-optimization/43413
2546         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2547         hard regs too.
2548
2549 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2550
2551         PR target/43348
2552         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2553         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2554
2555 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2556
2557         * config/i386/i386.c (ix86_target_string): Add -mfma.
2558         Fix a typo in comment.
2559
2560 2010-03-22  Mike Stump  <mikestump@comcast.net>
2561
2562         PR target/23071
2563         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2564         Don't overly align based upon packed packed fields.
2565
2566 2010-03-22  Jason Merrill  <jason@redhat.com>
2567
2568         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2569         Use () rather than [], and move before the element type.
2570
2571 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2572
2573         * doc/configfiles.texi (Configuration Files): Removed
2574         fixinc/Makefile*, intl/Makefile.*.
2575         * doc/makefile.texi: Fixed markup. Abstract from version
2576         control system used.
2577         (Makefile): Removed obsolete gcc/java/parse.y example.
2578         * doc/sourcebuild.texi: Likewise.
2579         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2580         libgomp, libssp.  Removed fastjar.
2581         (Miscellaneous Docs): Clarify location.
2582         Added COPYING3, COPYING3.LIB.
2583         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2584
2585 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2586
2587         PR target/38085
2588         * config/i386/i386.c (x86_function_profiler)
2589         [!NO_PROFILE_COUNTERS]: Fix typo.
2590         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2591         instead of callq.
2592
2593 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
2594             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2595
2596         * doc/sourcebuild.texi (Test Directives): Split into six
2597         subsections, with most of the current text in new subsections
2598         Directives, Selectors, and Final Actions.
2599         (Directives): Split list of test directives into multiple
2600         subsubsections.
2601         (Selectors): Describe use and syntax of selectors.
2602         (Effective-Target Keywords): Describe all existing keywords.
2603         (Add Options): Describe features for dg-add-options.
2604         (Require Support): Describe variants of dg-require-support.
2605         (Final Actions): Describe commands to use in dg-final.
2606
2607 2010-03-22  Michael Matz  <matz@suse.de>
2608
2609         PR middle-end/43475
2610         * recog.c (validate_replace_rtx_group): Replace also in
2611         REG_EQUAL and REG_EQUIV notes.
2612
2613 2010-03-22  Richard Guenther  <rguenther@suse.de>
2614
2615         PR tree-optimization/43390
2616         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2617         sure vector extracts are type correct.
2618
2619 2010-03-22  Richard Guenther  <rguenther@suse.de>
2620
2621         PR middle-end/40106
2622         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2623         x * sqrt (x) even when optimizing for size if the target
2624         has native support for sqrt.
2625
2626 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
2627
2628         * varasm.c (make_decl_rtl_for_debug): Also clear
2629         flag_mudflap for the duration of make_decl_rtl call.
2630
2631         PR debug/43443
2632         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2633         locs from preserved VALUEs.
2634
2635 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2636
2637         PR middle-end/42718
2638         * pa.md (movmemsi): Set align to one if zero.
2639         (movmemdi): Likewise.
2640
2641 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
2642
2643         PR target/42321
2644         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2645         with their corresponding prologue pushes.
2646
2647 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
2648
2649         PR target/43156
2650         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2651         at the begining or end.
2652         (spu_expand_epilogue): Likewise.
2653
2654 2010-03-20  Richard Guenther  <rguenther@suse.de>
2655
2656         PR rtl-optimization/43438
2657         * combine.c (make_extraction): Properly zero-/sign-extend an
2658         extraction of the low part of a CONST_INT.  Also handle
2659         CONST_DOUBLE.
2660
2661 2010-03-19  Mike Stump  <mikestump@comcast.net>
2662
2663         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2664         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2665         (override_options): Use SUBTARGET32_DEFAULT_CPU.
2666
2667 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
2668
2669         PR c/43211
2670         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2671         an error.
2672
2673 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
2674
2675         PR rtl-optimization/42258
2676         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2677         use that may match DEF.
2678
2679         PR target/40697
2680         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2681         the cost of loading the constant rather than assuming
2682         COSTS_N_INSNS (1).
2683         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2684         outer code is AND, do the same tests as the andsi3 expander and
2685         return COSTS_N_INSNS (1) if and is cheap.
2686
2687         * optabs.c (avoid_expensive_constant): Fix formatting.
2688
2689 2010-03-19  Michael Matz  <matz@suse.de>
2690
2691         PR c++/43116
2692         * attribs.c (decl_attributes): When rebuilding a function pointer
2693         type use the same qualifiers as the original pointer type.
2694
2695 2010-03-19  Martin Jambor  <mjambor@suse.cz>
2696
2697         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2698         and is_gimple_ip_invariant_address.
2699
2700 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2701
2702         Revert
2703         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2704
2705         * config/arm/arm.c (arm_override_options): Turn off
2706         flag_dwarf2_cfi_asm for AAPCS variants.
2707
2708 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2709
2710         PR target/43399
2711         * config/arm/arm.c (emit_multi_reg_push): Update comments.
2712         Use PRE_MODIFY instead of PRE_DEC.
2713         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2714         (vfp_emit_fstmd): Likewise.
2715
2716 2010-03-19  Michael Matz  <matz@suse.de>
2717
2718         PR target/43305
2719         * builtins.c (expand_builtin_interclass_mathfn,
2720         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2721         if that fails.
2722
2723 2010-03-19  Richard Guenther  <rguenther@suse.de>
2724
2725         PR tree-optimization/43415
2726         * tree-ssa-pre.c (phi_translate): Split out worker to ...
2727         (phi_translate_1): ... this.
2728         (phi_translate): Move all caching here.  Cache all NARY
2729         and REFERENCE translations.
2730
2731 2010-03-19  David S. Miller  <davem@davemloft.net>
2732
2733         With help from Eric Botcazou.
2734         * config/sparc/sparc.c: Include dwarf2out.h.
2735         (emit_pic_helper): Delete.
2736         (pic_helper_symbol_name): Delete.
2737         (pic_helper_emitted_p): Delete.
2738         (pic_helper_needed): New.
2739         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2740         (get_pc_thunk_name): New.
2741         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
2742         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2743         Set pic_helper_needed to true.  Don't call emit_pic_helper.
2744         (sparc_expand_prologue): Update load_pic_register call.
2745         (sparc_output_mi_thunk): Likewise.
2746         (sparc_file_end): Emit a hidden comdat symbol for the PIC
2747         thunk if possible.  Output CFI information as needed.
2748
2749 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2750             Jack Howarth <howarth@bromo.med.uc.edu>
2751
2752         PR target/36399
2753         * config/i386/i386.h: Fix ABI on darwin x86-32.
2754
2755 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
2756
2757         * tree.h: Declare make_decl_rtl_for_debug.
2758         * varasm.c (make_decl_rtl_for_debug): New.
2759         * dwarf2out.c (rtl_for_decl_location): Call it.
2760         * cfgexpand.c (expand_debug_expr): Call it.
2761
2762 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2763
2764         PR bootstrap/43399
2765         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2766         mem_mode.
2767
2768         PR bootstrap/43403
2769         * var-tracking.c (vt_init_cfa_base): Do nothing if
2770         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2771
2772 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
2773
2774         PR debug/42873
2775         * var-tracking.c (canonicalize_vars_star): New.
2776         (dataflow_post_merge_adjust): Use it.
2777
2778 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
2779
2780         PR debug/43058
2781         * var-tracking.c (non_suitable_const): New function.
2782         (add_uses): For DEBUG_INSNs with constants, don't record any
2783         value, instead just the constant value itself.
2784         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2785         is not VAR_LOC_UNKNOWN_P, set var to the constant.
2786         (emit_notes_in_bb): Likewise.
2787         (emit_note_insn_var_location): For onepart variables if
2788         cur_loc is a VOIDmode constant, use DECL_MODE.
2789
2790 2010-03-18  Martin Jambor  <mjambor@suse.cz>
2791
2792         PR middle-end/42450
2793         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2794         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2795         all non-clones.  Moved call redirection...
2796         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2797         (cgraph_materialize_all_clones): Dispose of all
2798         combined_args_to_skip bitmaps.
2799         (verify_cgraph_node): Do not check for edges pointing to wrong
2800         nodes in inline clones.
2801         * tree-inline.c (copy_bb): Call
2802         cgraph_redirect_edge_call_stmt_to_callee.
2803         * ipa.c (cgraph_remove_unreachable_nodes): Call
2804         cgraph_node_remove_callees even when there are used clones.
2805
2806 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2807
2808         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2809
2810 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
2811
2812         PR target/43383
2813         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2814         for 32bit.
2815
2816 2010-03-18  Michael Matz  <matz@suse.de>
2817
2818         PR middle-end/43419
2819         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2820         into sqrt(x) if we need to preserve signed zeros.
2821
2822 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
2823             Eric Botcazou  <ebotcazou@adacore.com>
2824
2825         PR rtl-optimization/43360
2826         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2827         note if we don't know its invariant status.
2828
2829 2010-03-18  Michael Matz  <matz@suse.de>
2830
2831         PR tree-optimization/43402
2832         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2833         PHI chains of ssa names registered for update.
2834
2835 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
2836
2837         PR target/42427
2838         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2839         non-offsettable and pre_modify update addressing.
2840         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2841         and "2" alternatives "#".
2842         (*movdd_softfloat32): Make all alternatives "#";
2843         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2844         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2845         (*movdf_softfloat32): Make all alternatives "#";
2846         (movdi): Use the new DIFD mode iterator to create a common splitter
2847         for movdi, movdf and movdd patterns.
2848
2849 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
2850
2851         * common.opt (dumpdir): Remove redundant tab.
2852
2853 2010-03-17  Martin Jambor  <mjambor@suse.cz>
2854
2855         PR tree-optimization/43347
2856         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2857         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2858
2859 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2860
2861         PR rtl-optimization/42216
2862         * regrename.c (create_new_chain): New function, broken out from...
2863         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
2864         appending a use to an empty chain.
2865         (build_def_use): Remove previous changes that convert OP_INOUT to
2866         OP_OUT operands; instead detect the case where an OP_INOUT operand
2867         uses a previously untracked register and create an empty chain for it.
2868
2869 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2870
2871         * doc/extend.texi (Function Attributes): Rewrite unfinished
2872         sentence in ms_abi documentation.
2873
2874 2010-03-17  Alan Modra  <amodra@gmail.com>
2875
2876         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2877         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2878         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2879         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2880
2881 2010-03-16  Richard Henderson  <rth@redhat.com>
2882
2883         PR middle-end/43365
2884         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2885         (lower_try_finally): Save and restore eh_seq around the expansion
2886         of the try-finally.
2887
2888 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
2889
2890         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2891         statements before splitting block.
2892
2893 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2894
2895         * doc/sourcebuild.texi (Testsuites): Fix markup.
2896         Use pathnames relative to gcc/testsuite.
2897         (Test Directives): Move description of how timeout is determined.
2898         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2899         (C Tests): Correct gcc.misc-tests directory.
2900         Framework tests now live in gcc.test-framework.
2901
2902 2010-03-16  Richard Guenther  <rguenther@suse.de>
2903
2904         PR middle-end/43379
2905         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2906         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2907
2908 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
2909             Alexandre Oliva  <aoliva@redhat.com>
2910
2911         PR tree-optimization/42917
2912         * lambda-code.c (remove_iv): Skip debug statements.
2913         (lambda_loopnest_to_gcc_loopnest): Likewise.
2914         (not_interesting_stmt): Debug statements are not interesting.
2915
2916 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
2917
2918         PR debug/43051
2919         PR debug/43092
2920         * cselib.c (cselib_preserve_constants,
2921         cfa_base_preserved_val): New static variables.
2922         (preserve_only_constants): New function.
2923         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2924         clear its REG_VALUES.  If cselib_preserve_constants, don't
2925         empty the whole hash table, but preserve there VALUEs with constants,
2926         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2927         (cselib_preserve_cfa_base_value): New function.
2928         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2929         (cselib_init): Change argument to int bitfield.  Set
2930         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2931         is in it.
2932         (cselib_finish): Clear cselib_preserve_constants and
2933         cfa_base_preserved_val.
2934         * cselib.h (enum cselib_record_what): New enum.
2935         (cselib_init): Change argument to int.
2936         (cselib_preserve_cfa_base_value): New prototype.
2937         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2938         * dse.c (dse_step1): Likewise.
2939         * cfgcleanup.c (thread_jump): Likewise.
2940         * sched-deps.c (sched_analyze): Likewise.
2941         * gcse.c (local_cprop_pass): Likewise.
2942         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2943         If FN is non-NULL, call the callback always and whenever it returns
2944         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
2945         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2946         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2947         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2948         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2949         * var-tracking.c: Include recog.h.
2950         (bb_stack_adjust_offset): Remove.
2951         (vt_stack_adjustments): Don't call it, instead just gather the
2952         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2953         (adjust_stack_reference): Remove.
2954         (compute_cfa_pointer): New function.
2955         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2956         (struct adjust_mem_data): New type.
2957         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2958         functions.
2959         (get_address_mode): New function.
2960         (replace_expr_with_values): Use it.
2961         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2962         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
2963         (adjust_sets): Remove.
2964         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2965         Use get_address_mode.
2966         (get_adjusted_src): Remove.
2967         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
2968         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
2969         (add_with_sets): Don't call adjust_sets.
2970         (fp_setter, vt_init_cfa_base): New functions.
2971         (vt_initialize): Change return type to bool.  Move most of pool etc.
2972         initialization to the beginning of the function from end.  Pass
2973         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
2974         If !frame_pointer_needed, call vt_stack_adjustment before mos
2975         vector is filled, call vt_init_cfa_base if argp/framep has been
2976         eliminated to sp.  If frame_pointer_needed and argp/framep has
2977         been eliminated to hard frame pointer, set
2978         hard_frame_pointer_adjustment and call vt_init_cfa_base after
2979         encountering fp setter in the prologue.  For MO_ADJUST, call
2980         log_op_type before pusing the op into mos vector, not afterwards.
2981         Call adjust_insn before cselib_process_insn/add_with_sets,
2982         call cancel_changes (0) afterwards.
2983         (variable_tracking_main_1): Adjust for vt_initialize calling
2984         vt_stack_adjustments and returning whether it succeeded or not.
2985
2986 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
2987
2988         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
2989         debug statements.
2990
2991 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
2992
2993         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
2994         has been set.
2995         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
2996         drap_reg has not been set.
2997
2998 2010-03-15  Michael Matz  <matz@suse.de>
2999
3000         PR middle-end/43300
3001         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3002         use it to expand block copies.
3003         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3004         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3005         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3006
3007 2010-03-15  Richard Guenther  <rguenther@suse.de>
3008
3009         PR tree-optimization/43367
3010         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3011         elimination check.
3012
3013 2010-03-15  Richard Guenther  <rguenther@suse.de>
3014
3015         PR tree-optimization/43317
3016         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3017
3018 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3019
3020         PR tree-optimization/43141
3021         * tree-sra.c (create_abstract_origin): New function.
3022         (modify_function): Call create_abstract_origin.
3023
3024 2010-03-15  Chris Demetriou  <cgd@google.com>
3025
3026         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3027         wasn't copied.
3028
3029 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3030
3031         PR middle-end/43354
3032         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3033         call insert_out_of_ssa_copy for default definitions.
3034
3035 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3036
3037         * graphite-clast-to-gimple.c (my_long_long): Defined.
3038         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3039         * graphite-sese-to-poly.c (my_long_long): Defined.
3040         (scop_ivs_can_be_represented): Use it.
3041
3042 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3045         graphite-max-bbs-per-function, and loop-block-tile-size.
3046         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3047         with "maximum".
3048         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3049
3050 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3051
3052         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3053         forward declaration.
3054         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3055         (add_upper_bounds_from_estimated_nit): New.
3056         (build_loop_iteration_domains): Use it.
3057
3058 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3059
3060         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3061
3062 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3063
3064         PR middle-end/43306
3065         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3066         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3067
3068 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3069
3070         * graphite.c (graphite_initialize): To bound the number of bbs per
3071         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3072         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3073         * doc/invoke.texi: Document it.
3074
3075 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3076
3077         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3078         * graphite-sese-to-poly.h (build_poly_scop): Same.
3079
3080 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3081
3082         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3083         the number of parameters in the scop.  Use as an upper bound
3084         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3085         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3086         * doc/invoke.texi: Document it.
3087
3088 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3089
3090         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3091         * doc/c-tree.texi: Remove.
3092         * doc/generic.texi: Merge c-tree.texi here.
3093         * doc/gccint.texi (Trees): Remove menu entry.
3094         (c-tree.texi): Remove @include.
3095         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3096         * doc/languages.texi (Reading RTL): Ditto.
3097
3098 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3099
3100         PR target/42869
3101         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3102
3103 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3104
3105         PR middle-end/42431
3106         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3107         code added to work around reload clobbering CONST insns.
3108
3109 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3110
3111         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3112         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3113         (cselib_preserve_only_values): Remove retain argument, don't
3114         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3115         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3116         * var-tracking.c (micro_operation): Move insn field before union.
3117         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3118         (struct variable_tracking_info_def): Remove n_mos field, change
3119         mos into a vector of micro_operations.
3120         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3121         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3122         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3123         changing into a vector.
3124         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3125         come before all other uops generated by add_stores.
3126         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3127         argument removal.
3128         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3129         a vector.  Run just one pass over the bbs instead of separate counting
3130         and computation phase.
3131         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3132
3133         PR debug/43329
3134         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3135         into *nonlocalized_list vector.
3136         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3137         even if origin is non-NULL.
3138         (gen_variable_die): Likewise.
3139         (process_scope_var): Don't change origin.
3140         (gen_decl_die): Likewise.
3141         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3142         before adding new edges instead of after it, fix moving over
3143         debug stmts.
3144
3145 2010-03-11  David S. Miller  <davem@davemloft.net>
3146
3147         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3148         of four.
3149         * configure: Rebuild.
3150
3151 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3152
3153         PR tree-optimization/43257
3154         * tree.c (assign_assembler_name_if_neeeded): New function.
3155         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3156         above new function.
3157         * tree.h (assign_assembler_name_if_neeeded): Declare.
3158         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3159         the function if needed.
3160
3161 2010-03-11  Chris Demetriou  <cgd@google.com>
3162
3163         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3164         include/stdint-gcc.h, and include/stdint.h world-readable.
3165
3166 2010-03-11  Richard Guenther  <rguenther@suse.de>
3167
3168         PR tree-optimization/43255
3169         * tree-vrp.c (process_assert_insertions_for): Do not insert
3170         asserts for trivial conditions.
3171
3172 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3173
3174         PR tree-optimization/43280
3175         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3176         generation.  Move calculation of size out of the if branch.
3177         (find_bswap): Modify compare number generation.
3178
3179 2010-03-11  Richard Guenther  <rguenther@suse.de>
3180
3181         PR lto/43200
3182         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3183         (input_gimple_stmt): Fixup handled component types during
3184         operand read.  Also fix up decls in ADDR_EXPRs.
3185
3186 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3187
3188         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3189         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3190
3191 2010-03-10  Jan Hubicka  <jh@suse.cz>
3192
3193         PR c/43288
3194         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3195         * varasm.c (get_variable_section): Don't do that here...
3196         (make_decl_rtl): ... and here.
3197         (do_assemble_alias): Produce decl RTL.
3198         (assemble_alias): Likewise.
3199
3200 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3201
3202         PR debug/43290
3203         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3204         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3205         of fde->vdrap_reg.
3206         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3207         (based_loc_descr): Only express drap or vdrap regno based expressions
3208         using DW_OP_fbreg when not optimizing.
3209         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3210         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3211         REG_CFA_SET_VDRAP note.
3212
3213 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3214
3215         PR tree-optimization/43236
3216         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3217         error in calculation of base address in reverse iteration case.
3218         (generate_builtin): Take number of latch executions if the statement
3219         is in the latch.
3220
3221 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3222
3223         PR middle-end/42859
3224         * tree-eh.c: Include pointer-set.h.
3225         (lower_eh_dispatch): Filter out duplicate case labels and
3226         remove the unneeded edge when the label is unused.  Return
3227         true when some edges are removed.
3228         (execute_lower_eh_dispatch): When any lowering resulted in
3229         removing an edge, also delete unreachable blocks.
3230
3231 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3232
3233         PR bootstrap/43287
3234         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3235         UNSPEC_MACHOPIC_OFFSET.
3236
3237 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3238
3239         PR target/43294
3240         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3241         (m68k_delegitimize_address): New function.
3242
3243 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3244
3245         PR debug/43299
3246         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3247
3248         PR debug/43299
3249         * var-tracking.c (adjust_sets): New function.
3250         (count_with_sets, add_with_sets): Use it.
3251         (get_adjusted_src): New inline function.
3252         (add_stores): Use it.
3253
3254         PR debug/43304
3255         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3256         call cselib_dummy_expand_value_rtx_cb instead of
3257         cselib_expand_value_rtx_cb.
3258
3259         PR debug/43293
3260         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3261         * config/i386/i386.c: Include debug.h and dwarf2out.h.
3262         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3263         and .cfi_endproc around the pic thunks.
3264         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3265         all queued unwind info register saves are saved before the call.
3266         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3267         considered as sp-=4 for unwind info and the pop as sp+=4 which
3268         also clobbers dest, but doesn't actually restore it.
3269
3270         PR debug/43290
3271         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3272         RTX_FRAME_RELATED_P.
3273
3274 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3275
3276         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3277         whitespaces in output template.
3278
3279 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3280
3281         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3282         out array boundary.
3283
3284 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3285
3286         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3287         builtins.exp in a separate job.
3288
3289 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3290
3291         * graphite-sese-to-poly.c (add_param_constraints): Use
3292         lower_bound_in_type and upper_bound_in_type.
3293
3294 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3295
3296         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3297         instead of unsigned_type_node.
3298
3299 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3300             Reza Yazdani  <reza.yazdani@amd.com>
3301
3302         PR middle-end/43065
3303         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3304         on pointer type parameters.
3305
3306 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3307
3308         PR middle-end/42644
3309         PR middle-end/42130
3310         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3311         handle conversions from pointer to integers.
3312         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3313         induction variable, to be able to work with code generated by CLooG.
3314         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3315         (build_poly_scop): Bail out if we cannot codegen a loop.
3316
3317 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3318
3319         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3320         code generation with gloog_error.
3321
3322 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3323
3324         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3325         Call fold_convert on all the returned values.
3326         (expand_scalar_variables_expr): Pass to
3327         expand_scalar_variables_ssa_name the type of the resulting expression.
3328
3329 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3330
3331         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3332         ppl_min_for_le_pointset.
3333         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3334         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3335
3336 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3337
3338         * graphite-dependences.c (map_into_dep_poly): Removed.
3339         (dependence_polyhedron_1): Use combine_context_id_scat.
3340
3341 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3342
3343         * graphite-poly.h (struct poly_scattering): Add layout documentation.
3344         (struct poly_bb): Same.
3345         (combine_context_id_scat): New.
3346
3347 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3348
3349         PR middle-end/42326
3350         * sese.c (name_defined_in_loop_p): Return false for default
3351         definitions.
3352
3353 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3354
3355         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3356         and clean up the logic.
3357
3358 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3359
3360         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3361         early return.
3362
3363 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3364
3365         * var-tracking.c (remove_cselib_value_chains): Define only for
3366         ENABLE_CHECKING.
3367         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3368         delete_slot_part, emit_notes_for_differences_1): Don't call
3369         remove_cselib_value_chains here.
3370         (set_slot_part, emit_notes_for_differences_2): Don't call
3371         add_cselib_value_chains here.
3372         (preserved_values): New vector.
3373         (preserve_value): New function.
3374         (add_uses, add_stores, vt_add_function_parameters): Use it
3375         instead of cselib_preserve_value.
3376         (changed_values_stack): New vector.
3377         (check_changed_vars_0): New function.
3378         (check_changed_vars_1, check_changed_vars_2): Use it.
3379         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3380         changed_values_stack VALUEs.
3381         (vt_emit_notes): For all preserved_values call
3382         add_cselib_value_chains.  If ENABLE_CHECKING call
3383         remove_cselib_value_chains before verifying value_chains is empty.
3384         Initialize and free changed_values_stack.
3385         (vt_initialize): Initialize preserved_values.
3386         (vt_finalize): Free preserved_values.
3387
3388 2010-03-08  Richard Guenther  <rguenther@suse.de>
3389
3390         PR tree-optimization/43269
3391         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3392         region detection.
3393
3394 2010-03-08  Martin Jambor  <mjambor@suse.cz>
3395
3396         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3397         (ipa_is_param_called): Removed.
3398         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3399         (ipa_print_node_params): Do not print the called flag.
3400         (ipa_write_node_info): Do not stream the called flag.
3401         (ipa_read_node_info): Likewise.
3402
3403 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
3404
3405         PR debug/43176
3406         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3407         * cselib.c (struct expand_value_data): Add dummy field.
3408         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3409         dummy to false.
3410         (cselib_dummy_expand_value_rtx_cb): New function.
3411         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3412         any rtl.
3413         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3414         * var-tracking.c: Include pointer-set.h.
3415         (variable): Change n_var_parts to char from int.  Add
3416         cur_loc_changed and in_changed_variables fields.
3417         (variable_canonicalize): Remove.
3418         (shared_var_p): New inline function.
3419         (unshare_variable): Maintain cur_loc_changed and
3420         in_changed_variables fields.  If var was in changed_variables,
3421         replace it there with new_var.  Just copy cur_loc instead of
3422         resetting it to something else.
3423         (variable_union): Don't recompute cur_loc.  Use shared_var_p.
3424         (dataflow_set_union): Don't call variable_canonicalize.
3425         (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3426         of their DEBUG_EXPR_TREE_DECLs.
3427         (canonicalize_loc_order_check): Verify that cur_loc is NULL
3428         and in_changed_variables and cur_loc_changed is false.
3429         (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3430         and cur_loc_changed.  Don't update cur_loc here.
3431         (variable_merge_over_src): Don't call variable_canonicalize.
3432         (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
3433         removing loc that is equal to cur_loc, clear cur_loc,
3434         set cur_loc_changed and ensure variable_was_changed is called.
3435         (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
3436         compare pointers in cur_loc check, if it is equal to loc,
3437         clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
3438         (variable_different_p): Remove compare_current_location argument,
3439         don't compare cur_loc.
3440         (dataflow_set_different_1): Adjust variable_different_p caller.
3441         (variable_was_changed): If dv had some var in changed_variables
3442         already, reset in_changed_variables flag for it and propagate
3443         cur_loc_changed over to the new variable.  On empty var
3444         always set cur_loc_changed.  Set in_changed_variables on whatever
3445         var is added to changed_variables.