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* config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2
3         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
4
5 2010-04-22  Ira Rosen  <irar@il.ibm.com>
6
7         PR tree-optimization/43842
8         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle 
9         loop unrolling in update of exit phis. Fix comment.
10         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
11         least two reduction statements in the loop before starting SLP 
12         analysis.
13
14 2010-04-22  Nick Clifton  <nickc@redhat.com>
15
16         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
17
18 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
19
20         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
21         to simplify a + ~a.
22
23 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
24
25         * tree-parloops.c (loop_parallel_p): New argument
26         parloop_obstack.  Pass it down.
27         (parallelize_loops): New variable parloop_obstack.  Initialize it,
28         pass it down, free it.
29
30         * tree-loop-linear.c (linear_transform_loops): Pass down
31         lambda_obstack.
32
33         * tree-data-ref.h (lambda_compute_access_matrices): New argument
34         of type struct obstack *.
35
36         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
37         scratch_obstack.  Initialize it, pass down, free it.
38
39         * lambda.h (lambda_loop_new): Remove.
40         (lambda_matrix_new, lambda_matrix_inverse)
41         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
42         argument of type struct obstack *.
43
44         * lambda-trans.c (lambda_trans_matrix_new): New argument
45         lambda_obstack.  Pass it down, use obstack allocation for ret.
46         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
47         it down.
48
49         * lambda-mat.c (lambda_matrix_get_column)
50         (lambda_matrix_project_to_null): Remove.
51         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
52         allocation for mat.
53         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
54         lambda_obstack.
55
56         * lambda-code.c (lambda_loop_new): New function.
57         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
58         (lambda_compute_auxillary_space, lambda_compute_target_space)
59         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
60         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
61         (build_access_matrix): New argument lambda_obstack.  Use obstack
62         allocation for am.
63         (lambda_compute_step_signs, lambda_compute_access_matrices): New
64         argument lambda_obstack.  Pass it down.
65
66 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
67
68         * optabs.h (expand_widening_mult): Declare.
69
70 2010-04-22  Richard Guenther  <rguenther@suse.de>
71
72         PR tree-optimization/43845
73         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
74         lookup the CALL_EXPR function and arguments.
75
76 2010-04-22  Nick Clifton  <nickc@redhat.com>
77
78         * config/stormy16/stormy16.c
79         (xstormy16_asm_output_aligned_common): Handle a NULL decl
80         parameter.
81         * config/stormy16/stormy16.h: Tidy up formatting.
82         (DONT_USE_BUILTIN_SETJMP): Remove definition.
83         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
84         (ineqbranchsi): Delete pattern.
85         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
86         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
87         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
88         stormy16-lib2-ucmpsi2.c.
89
90 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
91
92         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
93         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
94         extra set merge_set_noclobber, and use it to relax the final test
95         slightly.
96         * df.h (df_simulate_find_noclobber_defs): Declare.
97         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
98         conditional defs.
99         (df_simulate_find_noclobber_defs): New function.
100
101 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
102
103         * config/i386/i386.md: Use {} around multi-line preparation statements.
104
105 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
106
107         * c-tree.h (push_init_level, pop_init_level, set_init_index)
108         (process_init_element): New argument of type struct obstack *.
109
110         * c-typeck.c (push_init_level, pop_init_level, set_designator)
111         (set_init_index, set_init_label, set_nonincremental_init)
112         (set_nonincremental_init_from_string, find_init_member)
113         (output_init_element, output_pending_init_elements)
114         (process_init_element): New argument braced_init_obstack.  Pass it
115         down.
116         (push_range_stack, add_pending_init): New argument
117         braced_init_obstack.  Use obstack allocation.
118
119         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
120         braced_init_obstack.  Pass it down.
121         (c_parser_braced_init): New variables ret, braced_init_obstack.
122         Initialize obstack, pass it down and finally free it.
123
124 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
125
126         PR middle-end/29274
127         * tree-pass.h (pass_optimize_widening_mul): Declare.
128         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
129         gate_optimize_widening_mul): New static functions.
130         (pass_optimize_widening_mul): New.
131         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New
132         case.
133         <case MULT_EXPR>: Remove support for widening multiplies.
134         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
135         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
136         simplify_gen_unary rather than directly building extensions.
137         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
138         WIDEN_MULT_EXPR.
139         * expmed.c (expand_widening_mult): New function.
140         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
141
142 2010-04-21  Jan Hubicka  <jh@suse.cz>
143
144         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
145         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
146         * lto-wpa-fixup.c: Remove.
147         * Makefile.in (lto-wpa-fixup.o): Remove.
148         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
149         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
150         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
151
152 2010-04-21  Jan Hubicka  <jh@suse.cz>
153
154         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
155         add write_optimization_summary, read_optimization_summary.
156         (ipa_write_summaries_of_cgraph_node_set): Remove.
157         (ipa_write_optimization_summaries): Declare.
158         (ipa_read_optimization_summaries): Declare.
159         * ipa-cp.c (pass_ipa_cp): Update.
160         * ipa-reference.c (pass_ipa_reference): Update.
161         * ipa-pure-const.c (pass_ipa_pure_const): Update.
162         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
163         Update.
164         * ipa-inline.c (pass_ipa_inline): Update.
165         * ipa.c (pass_ipa_whole_program): Update.
166         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
167         * passes.c (ipa_write_summaries_1): Do not test wpa.
168         (ipa_write_optimization_summaries_1): New.
169         (ipa_write_optimization_summaries): New.
170         (ipa_read_summaries): Do not test ltrans.
171         (ipa_read_optimization_summaries_1): New.
172         (ipa_read_optimization_summaries): New.
173
174 2010-04-21  Jan Hubicka  <jh@suse.cz>
175
176         * lto-cgraph.c (lto_output_node): Do not output comdat groups
177         for boundary nodes.
178         (output_cgraph): Do not arrange comdat groups for boundary nodes.
179
180 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
181
182         PR debug/40040
183         * dwarf2out.c (add_name_and_src_coords_attributes): Add
184         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
185
186 2010-04-21  Jan Hubicka  <jh@suse.cz>
187
188         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
189
190 2010-04-21  Jan Hubicka  <jh@suse.cz>
191
192         * varpool.c (decide_is_variable_needed): Variable is always needed
193         during ltrans.
194
195 2010-04-21  Jan Hubicka  <jh@suse.cz>
196
197         * opts.c (decode_options): Enable pure-const pass for whopr.
198
199 2010-04-21  Jan Hubicka  <jh@suse.cz>
200
201         * cgraph.c (dump_cgraph_node): Dump also assembler name.
202         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
203         at WPA dumping.
204         (cgraph_decide_inlining): Do not expect callee to be removed in all
205         cases.
206
207 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
208
209         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
210
211 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
212
213         * config/i386/i386.md (x86_shrd): Add athlon_decode and
214         amdfam10_decode attributes.
215
216 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
217
218         PR middle-end/43570
219         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
220         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
221         (lower_copyprivate_clauses): Use private var in outer
222         context instead of original var.  Make sure the types
223         are correct for VLAs.
224
225 2010-04-21  Richard Guenther  <rguenther@suse.de>
226
227         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
228         to non-pointer objects.
229
230 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
231
232         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
233         last chain entry if it starts with the still current label.
234         (add_location_or_const_value_attribute): Check that
235         loc_list->first->next is NULL instead of comparing ->first with ->last.
236         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
237         to add_var_loc_to_decl.
238
239         * dwarf2out.c (output_call_frame_info): For dw_cie_version
240         >= 4 add also address size and segment size fields into CIE header.
241
242         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
243         long as address size is the same as sizeof (void *) and
244         segment size is 0.
245         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
246         address size or segment size is unexpected, return DW_EH_PE_omit.
247         (classify_object_over_fdes): If get_cie_encoding returned
248         DW_EH_PE_omit, return -1.
249         (init_object): If classify_object_over_fdes returned -1,
250         pretend there were no FDEs at all.
251
252 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
253
254         * config/i386/i386.md (bswap<mode>2): Macroize expander from
255         bswap{si,di}2 using SWI48 mode iterator.
256         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
257         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
258         set modrm attribute of bswap insn to 0 and remove length attribute.
259         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
260         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
261         set mode attribute to <MODE> and remove length attribute.
262
263 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
264
265         PR rtl-optimization/43520
266         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
267         zero available registers.
268
269 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
270
271         * builtins.c (fold_builtin_cproj): Fold more cases.
272
273 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
274
275         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
276         (fold_builtin_1): Fold builtin cproj.
277         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
278         Use ATTR_CONST_NOTHROW_LIST.
279
280 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
281
282         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
283         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
284         ffsi2_no_cmove for !TARGET_CMOVE.
285         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
286         (ffssi2): Remove expander.
287         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
288         mode iterator.
289         (ctz<mode>2): Ditto from ctz{si,di}2.
290         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
291         mode iterator.
292         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
293         mode iterator.
294
295 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
296
297         * dwarf2out.c (AT_linkage_name): Define.
298         (clone_as_declaration): Handle DW_AT_linkage_name.
299         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
300         of DW_AT_MIPS_linkage_name.
301         (move_linkage_attr): Likewise.
302         (dwarf2out_finish): Likewise.
303
304 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
305
306         PR middle-end/41952
307         * fold-const.c (fold_comparison): New folding rule.
308
309 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
310
311         * double-int.h (double_int_setbit): Declare.
312         * double-int.c (double_int_setbit): New function.
313         * rtl.h (immed_double_int_const): Declare.
314         * emit-rtl.c (immed_double_int_const): New function.
315         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
316         and immed_double_int_const functions.
317         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
318         expand_copysign_bit):  (Ditto.).
319         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
320         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
321         * dojump.c (prefer_and_bit_test): (Ditto.).
322         * expr.c (convert_modes, reduce_to_bit_field_precision,
323         const_vector_from_tree): (Ditto.).
324         * expmed.c (mask_rtx, lshift_value): (Ditto.).
325
326 2010-04-20  Jan Hubicka  <jh@suse.cz>
327
328         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
329         (dump_cgraph_node): Dump new flags.
330         * cgraph.h (struct cgraph_node): Add flags
331         reachable_from_other_partition and in_other_partition.
332         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
333         other partition can not be removed.
334         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
335         the other partition must be output; silence sanity checking on
336         leaking functions bodies from other paritition.
337         * lto-cgraph.c (reachable_from_other_partition_p): New function.
338         (lto_output_node): Output new flags; do not sanity check that inline
339         clones are output; drop lto_forced_extern_inline_p code; do not mock
340         visibility flags at partition boundaries.
341         (add_node_to): New function.
342         (output_cgraph): Use it to sort functions so masters appear before
343         clones.
344         (input_overwrite_node): Input new flags.
345         * passes.c (ipa_write_summaries): Do not call
346         lto_new_extern_inline_states.
347         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
348         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
349         lto_forced_extern_inline_p): Kill.
350         * lto-streamer.h (lto_new_extern_inline_states,
351         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
352         lto_forced_extern_inline_p): Kill.
353
354 2010-04-20  Richard Guenther  <rguenther@suse.de>
355
356         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
357         from vars that can have pointers.
358         (process_constraint): Dump useless constraints.
359
360 2010-04-20  Richard Guenther  <rguenther@suse.de>
361
362         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
363         (dump_sa_points_to_info): Remove asserts.
364         (init_base_vars): nothing_id isn't an escape point nor does it
365         have pointers.
366
367 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
368
369         * tree.h (TYPE_REF_IS_RVALUE): Define.
370         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
371         should_move_die_to_comdat, prune_unused_types_walk): Handle
372         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
373         (modified_type_die, gen_reference_type_die): Emit
374         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
375         if TYPE_REF_IS_RVALUE and -gdwarf-4.
376
377 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
378
379         PR target/43635
380         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
381         calls for -fpic -m31 if they have been sibcall optimized.
382
383 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
384
385         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
386         ar.lc fixed and call-used.
387
388         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
389
390 2010-04-19  Jan Hubicka  <jh@suse.cz>
391
392         * opts.c (decode_options): Disable whpr incompatible passes.
393         * lto/lto.c (lto_1_to_1_map): Skip clones.
394         (read_cgraph_and_symbols): Do not mark everything as needed.
395         (do_whole_program_analysis): Do map only after optimizing;
396         set proper cgraph_state; use passmanager.
397
398 2010-04-19  DJ Delorie  <dj@redhat.com>
399
400         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
401         POINTER_PLUS_EXPR and fix them.
402
403 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
404
405         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
406         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
407         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
408         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
409         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
410         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
411         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
412         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
413         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
414         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
415         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
416
417 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
418
419         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
420         (check_cond_move_block): Likewise.
421         (cond_move_process_if_block): Likewise.
422         (noce_find_if_block): Improve formatting.
423         (find_if_header): Pass 0 to memset and tweak conditions.
424         (cond_exec_find_if_block): Fix long lines and tweak conditions.
425
426 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
427
428         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
429         for -gdwarf-4.
430
431         PR middle-end/43337
432         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
433         with non-local decl doesn't need chain.
434
435 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
436
437         * ira-color.c (allocno_reload_assign): Avoid accumulating
438         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
439
440 2010-04-19  Martin Jambor  <mjambor@suse.cz>
441
442         * gimple.h (create_tmp_reg): Declare.
443         * gimplify.c (create_tmp_reg): New function.
444         (gimplify_return_expr): Use create_tmp_reg.
445         (gimplify_omp_atomic): Likewise.
446         (gimple_regimplify_operands): Likewise.
447         * tree-dfa.c (make_rename_temp): Likewise.
448         * tree-predcom.c (predcom_tmp_var): Likewise.
449         (reassociate_to_the_same_stmt): Likewise.
450         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
451         (get_replaced_param_substitute): Likewise.
452         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
453         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
454         * tree-ssa-pre.c (get_representative_for): Likewise.
455         (create_expression_by_pieces): Likewise.
456         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
457         (create_tailcall_accumulator): Likewise.
458
459 2010-04-19  Martin Jambor  <mjambor@suse.cz>
460
461         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
462         new_stmt.
463         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
464
465 2010-04-19  Richard Guenther  <rguenther@suse.de>
466
467         PR tree-optimization/43796
468         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
469         from SCEV in the lattice.
470         (vrp_visit_phi_node): Dump change.
471
472 2010-04-19  Richard Guenther  <rguenther@suse.de>
473
474         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
475         * configure: Re-generated.
476
477 2010-04-19  Richard Guenther  <rguenther@suse.de>
478
479         PR tree-optimization/43783
480         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
481         constant ARRAY_REF operands two and three if possible.
482
483 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
484
485         PR target/43766
486         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
487
488 2010-04-19  Jie Zhang  <jie@codesourcery.com>
489
490         PR target/43662
491         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
492
493 2010-04-19 Ira Rosen <irar@il.ibm.com>
494
495         PR tree-optimization/37027
496         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
497         and macro to access it.
498         (vectorizable_reduction): Add argument.
499         (vect_get_slp_defs): Likewise.
500         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
501         statements for possible use in SLP.
502         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
503         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
504         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
505         add new argument.
506         (vectorizable_reduction): Likewise.
507         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
508         vect_get_slp_defs.
509         (vectorizable_type_demotion, vectorizable_type_promotion,
510         vectorizable_store): Likewise.
511         (vect_analyze_stmt): Update call to vectorizable_reduction.
512         (vect_transform_stmt): Likewise.
513         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
514         (vect_build_slp_tree): Fix indentation. Check that there are no loads
515         from different interleaving chains in same node.
516         (vect_slp_rearrange_stmts): New function.
517         (vect_supported_load_permutation_p): Allow load permutations for
518         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
519         inside SLP nodes if necessary.
520         (vect_analyze_slp_instance): Handle reductions.
521         (vect_analyze_slp): Try to build SLP instances originating from groups
522         of reductions.
523         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
524         (vect_get_constant_vectors): Create initial vectors for reductions
525         according to reduction code. Add new argument.
526         (vect_get_slp_defs): Add new argument, pass it to
527         vect_get_constant_vectors.
528         (vect_schedule_slp_instance): Remove SLP tree root statements.
529
530 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
531
532         * tree.h (ENUM_IS_SCOPED): Define.
533         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
534         for ENUM_IS_SCOPED enums.
535
536 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
537
538         * fold-const.c (fold_comparison): Use ssizetype.
539         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
540         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
541         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
542         * tree-object-size.c (compute_object_sizes): Use size_type_node.
543
544         * tree.h (initialize_sizetypes): Remove parameter.
545         (build_common_tree_nodes): Remove second parameter.
546         * stor-layout.c (initialize_sizetypes): Remove parameter.
547         Always create an unsigned type.
548         (set_sizetype): Assert that the passed type is unsigned and simplify.
549         * tree.c (build_common_tree_nodes): Remove second parameter.
550         Adjust call to initialize_sizetypes.
551         * c-decl.c (c_init_decl_processing): Remove second argument in call to
552         build_common_tree_nodes.
553
554 2010-04-18  Matthias Klose  <doko@ubuntu.com>
555
556         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
557
558 2010-04-18 Ira Rosen <irar@il.ibm.com>
559
560         PR tree-optimization/43771
561         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
562         load permutation doesn't have gaps.
563
564 2010-04-18  Jan Hubicka  <jh@suse.cz>
565
566         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
567         (sse_prologue_save_insn expander): Use new pattern.
568         (sse_prologue_save_insn1): New pattern and splitter.
569         (sse_prologue_save_insn): Update to deal also with 64bit aligned
570         blocks.
571         * i386.c (setup_incoming_varargs_64): Do not compute jump
572         destination here.
573         (ix86_gimplify_va_arg): Update alignment needed.
574         (ix86_local_alignment): Do not align all local arrays to 128bit.
575
576 2010-04-17  Jan Hubicka  <jh@suse.cz>
577
578         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
579
580 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
581
582         * arm.md (negdi2): Remove redundant code to force values into a
583         register.
584
585 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
586
587         * arm/bpabi.S: Add EABI alignment attributes to objects.
588         * arm/bpabi-v6m.S: Likewise.
589         * arm/crti.asm: Likewise.
590         * arm/crtn.asm: Likewise.
591         * arm/lib1funcs.asm: Likewise.
592         * arm/libunwind.S: Likewise.
593
594 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
595
596         * arm-protos.h (tune_params): New structure.
597         * arm.c (current_tune): New variable.
598         (arm_constant_limit): Delete.
599         (struct processors): Add pointer to the tune parameters.
600         (arm_slowmul_tune): New tuning option.
601         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
602         (all_cores): Adjust to pick up the tuning model.
603         (arm_constant_limit): New function.
604         (arm_override_options): Select the appropriate tuning model.  Delete
605         initialization of arm_const_limit.
606         (arm_split_constant): Use the new constant-limit model.
607         (arm_rtx_costs): Pick up the current tuning model.
608         * arm.md (is_strongarm, is_xscale): Delete.
609         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
610         for Xscale variant architectures.
611         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
612
613 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
614
615         * config/arm/arm.c (arm_gen_constant): Remove unused variable
616         can_shift.
617         (arm_rtx_costs_1): Remove unused variable extra_cost.
618         (arm_unwind_emit_set): Use variable offset.
619         (thumb1_output_casesi): Remove unused variable flags.
620
621 2010-04-16  Jeff Law  <law@redhat.com>
622
623         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
624         needing assignment rather than doing a two-phase assignment.  Remove
625         unused variable 'm'.
626
627 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
628
629         PR bootstrap/43767
630         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
631
632 2010-04-16  Doug Kwan  <dougkwan@google.com>
633
634         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
635         (next_operand_entry_id): New static variable.
636         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
637         (add_to_ops_vec): Assigned unique ID to operand entry.
638         (struct oecount_s): New field ID.
639         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
640         (undistribute_ops_list): Assign unique IDs to oecounts.
641         (init_reassoc): reset next_operand_entry_id.
642
643 2010-04-16  Doug Kwan  <dougkwan@google.com>
644
645         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
646         missing left parenthesis.
647
648 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
649
650         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
651         *btdi_rex64 using SWI48 mode iterator.
652         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
653         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
654         *jcc_btdi_mask_rex64.
655
656 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
657
658         * double-int.h (tree_to_double_int): Convert to macro.
659         * double-int.c (tree_to_double_int): Remove.
660
661 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
662
663         PR debug/43762
664         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
665         with want_address 2 and in case a single element list might be
666         possible, call it again with want_address 0.
667
668 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
669
670         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
671         case 'W' print operands for HI mode.
672         * config/h8300/h8300.h (Y0, Y2) : New constraints.
673         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
674         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
675         * config/h8300/predicate.md (bit_register_indirect_operand): New.
676
677         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
678
679         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
680         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
681         #xx:3 and #xx:4 mode.
682
683         * config/h8300/h8300.md (inverted load with HImode dest): Add
684         support for H8300SX.
685
686         * config/h8300/predicate.md (bit_operand): Allow immediate values that
687         satisfy 'U' constraint.
688
689 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
690
691         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
692         * configure: Regenerate.
693         * config.in: Regenerate.
694         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
695         works.
696
697 2010-04-16  Richard Guenther  <rguenther@suse.de>
698
699         * tree.h (struct tree_decl_minimal): Move pt_uid ...
700         (struct tree_decl_common): ... here.
701         (DECL_PT_UID): Adjust.
702         (SET_DECL_PT_UID): Likewise.
703         (DECL_PT_UID_SET_P): Likewise.
704
705 2010-04-16  Richard Guenther  <rguenther@suse.de>
706
707         PR tree-optimization/43572
708         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
709         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
710         * tree-flow.h (is_call_clobbered): Remove.
711         * tree-flow-inline.h (is_call_clobbered): Likewise.
712         * tree-dfa.c (dump_variable): Do not dump call clobber state.
713         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
714         (execute_return_slot_opt): Adjust.
715         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
716         check for call clobbered vars here.
717         (find_tail_calls): Move tailcall verification to the
718         proper place.
719
720 2010-04-16  Diego Novillo  <dnovillo@google.com>
721
722         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
723
724 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
725
726         PR target/40603
727         * config/arm/arm.md (cbranchqi4): New pattern.
728         * config/arm/predicates.md (const0_operand,
729         cbranchqi4_comparison_operator): New predicates.
730
731 2010-04-16  Richard Guenther  <rguenther@suse.de>
732
733         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
734         (dump_gimple_stmt): Likewise.
735
736 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
737
738         * recog.h (struct recog_data): New field is_operator.
739         (struct insn_operand_data): New field is_operator.
740         * recog.c (extract_insn): Set recog_data.is_operator.
741         * genoutput.c (output_operand_data): Emit code to set the
742         is_operator field.
743         * reload.c (find_reloads): Use it rather than testing for an
744         empty constraint string.
745
746         PR target/41514
747         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
748         If the previous insn is a cbranchsi4_insn with the same arguments,
749         omit the compare instruction.
750
751         * config/arm/arm.md (addsi3_cbranch): If destination is a high
752         register, inputs must be low registers and we need a low register
753         scratch.  Handle alternative 2 like alternative 3.
754
755 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
756
757         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
758         don't call get_addr on both.  If one expression is a VALUE and
759         the other a REG, check VALUE's locs if the REG isn't among them.
760
761 2010-04-16  Christian Bruel  <christian.bruel@st.com>
762
763         * config/sh/sh.h (sh_frame_pointer_required): New function.
764         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
765         (flag_omit_frame_pointer) Set.
766         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
767         (rounded_frame_size): Adjust size with outgoing_args_size.
768         (sh_set_return_address): Must return from stack pointer.
769         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
770         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
771         (ACCUMULATE_OUTGOING_ARGS): Define.
772         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
773         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
774
775 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
776
777         PR target/43471
778         * config/sh/sh.c (sh_legitimize_reload_address): Use
779         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
780         Remove a unneeded check for offset_base.
781
782 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
783
784         * configure: Regenerated.
785
786 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
787
788         * config/s390/s390.c (s390_call_save_register_used): Switch back
789         to HARD_REGNO_NREGS.
790
791 2010-04-15  Richard Guenther  <rguenther@suse.de>
792
793         * alias.c (alias_set_subset_of): Handle alias-set zero
794         child properly.
795
796 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
797             Julian Brown  <julian@codesourcery.com>
798
799         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
800         alternatives according to use of high and low regs.
801         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
802         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
803         optimizing for size on Thumb-2.
804
805 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
806
807         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
808
809 2010-04-15  Richard Guenther  <rguenther@suse.de>
810
811         * tree-ssa-structalias.c (struct variable_info): Add
812         is_fn_info flag.
813         (new_var_info): Initialize it.
814         (dump_constraints): Support printing last added constraints.
815         (debug_constraints): Adjust.
816         (dump_constraint_graph): Likewise.
817         (make_heapvar_for): Check for NULL cfun.
818         (get_function_part_constraint): New function.
819         (get_fi_for_callee): Likewise.
820         (find_func_aliases): Properly implement IPA PTA constraints.
821         (process_ipa_clobber): New function.
822         (find_func_clobbers): Likewise.
823         (insert_into_field_list_sorted): Remove.
824         (create_function_info_for): Properly allocate vars for IPA mode.
825         Do not use insert_into_field_list_sorted.
826         (create_variable_info_for): Properly generate constraints for
827         global vars in IPA mode.
828         (dump_solution_for_var): Always dump the solution.
829         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
830         (find_what_var_points_to): Adjust.
831         (pt_solution_set): Change.
832         (pt_solution_ior_into): New function.
833         (pt_solution_empty_p): Export.
834         (pt_solution_includes_global): Adjust.
835         (pt_solution_includes_1): Likewise.
836         (pt_solutions_intersect_1): Likewise.
837         (dump_sa_points_to_info): Check some invariants.
838         (solve_constraints): Move constraint dumping ...
839         (compute_points_to_sets): ... here.
840         (ipa_pta_execute): ... and here.
841         (compute_may_aliases): Do not re-compute points-to info
842         locally if IPA info is available.
843         (ipa_escaped_pt): New global var.
844         (ipa_pta_execute): Properly implement IPA PTA.
845         * tree-into-ssa.c (dump_decl_set): Support dumping
846         decls not in referenced-vars.
847         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
848         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
849         (dump_points_to_solution): Likewise.
850         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
851         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
852         (remap_gimple_stmt): Reset call clobber/use information if necessary.
853         (copy_decl_to_var): Copy DECL_PT_UID.
854         (copy_result_decl_to_var): Likewise.
855         * tree.c (make_node_stat): Initialize DECL_PT_UID.
856         (copy_node_stat): Copy it.
857         * tree.h (DECL_PT_UID): New macro.
858         (SET_DECL_PT_UID): Likewise.
859         (DECL_PT_UID_SET_P): Likewise.
860         (struct tree_decl_minimal): Add pt_uid member.
861         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
862         (pt_solution_empty_p): Declare.
863         (pt_solution_set): Adjust.
864         (ipa_escaped_pt): Declare.
865         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
866         * gimple-pretty-print.c (pp_points_to_solution): New function.
867         (dump_gimple_call): Dump call clobber/use information.
868         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
869         * tree-pass.h (TDF_ALIAS): New dump option.
870         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
871         * doc/invoke.texi (-fipa-pta): Update documentation.
872
873 2010-04-15  Richard Guenther  <rguenther@suse.de>
874
875         * Makefile.in (OBJS-common): Add gimple-fold.o.
876         (gimple-fold.o): New rule.
877         * tree.h (maybe_fold_offset_to_reference,
878         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
879         prototypes ...
880         * gimple.h: ... here.
881         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
882         may_propagate_address_into_dereference): Move prototypes ...
883         * gimple.h: ... here.
884         * tree-ssa-ccp.c (get_symbol_constant_value,
885         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
886         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
887         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
888         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
889         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
890         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
891         gimplify_and_update_call_from_tree): Move ...
892         * gimple-fold.c: ... here.  New file.
893         (ccp_fold_builtin): Rename to ...
894         (gimple_fold_builtin): ... this.
895         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
896
897 2010-04-15  Richard Guenther  <rguenther@suse.de>
898
899         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
900         fit_double_type, force_fit_type_double, add_double_with_sign,
901         neg_double, mul_double_with_sign, lshift_double, rshift_double,
902         lrotate_double, rrotate_double, div_and_round_double): Move ...
903         * double-int.c: ... here.
904         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
905         add_double, neg_double, mul_double_with_sign, mul_double,
906         lshift_double, rshift_double, lrotate_double, rrotate_double,
907         div_and_round_double): Move prototypes ...
908         * double-int.h: ... here.
909
910 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
911
912         PR target/43742
913         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
914         matching constraints to ensure inputs match the output.
915
916 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
917
918         PR target/43742
919         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
920         in an input-only operand.
921
922 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
923
924         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
925         (double_int_not, double_int_lshift, double_int_rshift): Declare.
926         (double_int_negative_p): Convert to static inline function.
927         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
928         (double_int_negative_p): Remove.
929         * tree.h (lshift_double, rshift_double):
930         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
931         * fold-const.c (fold_convert_const_int_from_real,
932         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
933         (lshift_double): Change type of arith argument to bool.
934         (rshift_double): Change type of arith argument to bool. Correct
935         comment.
936         * expmed.c (mask_rtx, lshift_value): (Ditto.).
937
938 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
939
940         PR target/21803
941         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
942         at the start and end of the then/else blocks, and omit them from the
943         conversion.
944         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
945         argument; all callers changed.  Pass zero to old_insns_match_p instead.
946         (flow_find_head_matching_sequence): New function.
947         (old_insns_match_p): Check REG_EH_REGION notes for calls.
948         * basic-block.h (flow_find_cross_jump,
949         flow_find_head_matching_sequence): Declare functions.
950
951 2010-04-14  Jason Merrill  <jason@redhat.com>
952
953         PR c++/36625
954         * c-common.c (attribute_takes_identifier_p): New fn.
955         * c-common.h: Declare it.
956
957 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
958
959         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
960         splitter condition.
961         (*udivmod<mode>4): Ditto.
962
963 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
964
965         * config/i386/i386.md (maxmin_int): Rename code attribute from
966         maxminiprefix and update all users.
967         (maxmin_float): Ditto from maxminfprefix.
968         (logic): Ditto from logicprefix.
969         (absneg_mnemonic): Ditto from absnegprefix.
970         * config/i386/mmx.md: Update all users of maxminiprefix,
971         maxminfprefix and logicprefix for rename.
972         * config/i386/sse.md: Ditto.
973         * config/i386/sync.md (sync_<code><mode>): Update for
974         logicprefix rename.
975
976 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
977
978         PR 42966
979         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
980         warnings converted to errors.
981
982 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
983
984         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
985         used insn_type variable.
986         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
987         to avoid set-but-not-used warning.
988
989 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
990
991         * df-core.c (df_ref_debug): Change format string placeholder
992         from 0x%x to %#x.
993         * dwarf2asm.c (dw2_asm_output_data_raw,
994         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
995         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
996         * dwarf2out.c (output_cfi, output_cfi_directive,
997         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
998         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
999         Ditto.
1000         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1001         * print-rtl.c (print_rtx): Ditto.
1002
1003 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1004
1005         PR middle-end/42694
1006         * builtins.c (expand_builtin_pow_root): New function to expand pow
1007         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1008         series of sqrt and cbrt calls under -ffast-math.
1009         (expand_builtin_pow): Call it.
1010
1011 2010-04-14  Michael Matz  <matz@suse.de>
1012
1013         PR tree-optimization/42963
1014         * tree-cfg.c (touched_switch_bbs): New static variable.
1015         (group_case_labels_stmt): New function broken out from ...
1016         (group_case_labels): ... here, use the above.
1017         (start_recording_case_labels): Allocate touched_switch_bbs.
1018         (end_recording_case_labels): Deallocate it, call
1019         group_case_labels_stmt.
1020         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1021
1022 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1023
1024         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1025         from insn template.
1026
1027 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1028
1029         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1030
1031 2010-04-13  Jan Hubicka  <jh@suse.cz>
1032
1033         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1034         of optimized out static functions.
1035         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1036         cost computation.  Also sanity check for overflows.
1037         (update_caller_keys): Update cgraph_edge_badness call; properly
1038         update fibheap and sanity check that it is up to date.
1039         (add_new_edges_to_heap): Update cgraph_edge_badness.
1040         (cgraph_decide_inlining_of_small_function): Likewise;
1041         add sanity checking that badness in heap is up to date;
1042         improve dumping of reason; Update badness of calls to the
1043         offline copy of function currently inlined; dump badness
1044         of functions not inlined because of unit growth limits.
1045
1046 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1047
1048         PR middle-end/32628
1049         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1050         because of sign-extension change when converting to sizetype here...
1051         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1052
1053         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1054         the folding to constants.  Remove redundant final conversion.
1055         (fold_binary) <associate>: Do not associate if the re-association of
1056         constants alone overflows.
1057         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1058         to the end of the list.
1059         (multiple_of_p) <COND_EXPR>: New case.
1060
1061 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1062
1063         * opt-functions.awk (opt_sanitized_name): New.
1064         (opt_enum): New.
1065         * optc-gen.awk: Use it
1066         * opth-gen.awk: Use it.
1067
1068 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1069
1070         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1071         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1072         children.  Call replace_uses_with_default_def_ssa_name to handle
1073         SSA_NAES on lhs.
1074
1075 2010-04-13  Michael Matz  <matz@suse.de>
1076
1077         PR middle-end/43730
1078         * builtins.c (expand_builtin_interclass_mathfn): Also create
1079         a register if the predicate doesn't match.
1080
1081 2010-04-13  Diego Novillo  <dnovillo@google.com>
1082
1083         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1084         * c-pch.c: Include timevar.h.
1085         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1086         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1087         * ggc-common.c: Include timevar.h.
1088         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1089         * timevar.def (TV_PCH_SAVE): Define.
1090         (TV_PCH_CPP_SAVE): Define.
1091         (TV_PCH_PTR_REALLOC): Define.
1092         (TV_PCH_PTR_SORT): Define.
1093         (TV_PCH_RESTORE): Define.
1094         (TV_PCH_CPP_RESTORE): Define.
1095
1096 2010-04-13  Michael Matz  <matz@suse.de>
1097
1098         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1099         into MINUS_EXPRs.
1100         (can_reassociate_p): New function.
1101         (break_up_subtract_bb, reassociate_bb): Use it.
1102
1103 2010-04-13  Richard Guenther  <rguenther@suse.de>
1104
1105         PR bootstrap/43737
1106         * builtins.c (c_readstr): Fix assert.
1107
1108 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1109
1110         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1111         when generating cltd insn.
1112
1113         (*ashl<mode>3_1): Remove special handling for register operand 2.
1114         (*ashlsi3_1_zext): Ditto.
1115         (*ashlhi3_1): Ditto.
1116         (*ashlhi3_1_lea): Ditto.
1117         (*ashlqi3_1): Ditto.
1118         (*ashlqi3_1_lea): Ditto.
1119         (*<shiftrt_insn><mode>3_1): Ditto.
1120         (*<shiftrt_insn>si3_1_zext): Ditto.
1121         (*<shiftrt_insn>qi3_1_slp): Ditto.
1122         (*<rotate_insn><mode>3_1): Ditto.
1123         (*<rotate_insn>si3_1_zext): Ditto.
1124         (*<rotate_insn>qi3_1_slp): Ditto.
1125
1126 2010-04-13  Richard Guenther  <rguenther@suse.de>
1127
1128         * tree-ssa-structalias.c (callused_id): Remove.
1129         (call_stmt_vars): New.
1130         (get_call_vi): Likewise.
1131         (lookup_call_use_vi): Likewise.
1132         (lookup_call_clobber_vi): Likewise.
1133         (get_call_use_vi): Likewise.
1134         (get_call_clobber_vi): Likewise.
1135         (make_transitive_closure_constraints): Likewise.
1136         (handle_const_call): Adjust to do per-call call-used handling.
1137         (handle_pure_call): Likewise.
1138         (find_what_var_points_to): Remove general callused handling.
1139         (init_base_vars): Likewise.
1140         (init_alias_vars): Initialize call_stmt_vars.
1141         (compute_points_to_sets): Process call-used and call-clobbered
1142         vars for call statements.
1143         (delete_points_to_sets): Free call_stmt_vars.
1144
1145 2010-04-13  Richard Guenther  <rguenther@suse.de>
1146
1147         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1148         Only add RW dependence for dependence distance zero.
1149         Adjust maximal vectorization factor according to dependences.
1150         Move alignment handling ...
1151         (vect_find_same_alignment_drs): ... here.  New function.
1152         (vect_analyze_data_ref_dependences): Adjust.
1153         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1154         (vect_analyze_data_refs): Adjust minimal vectorization factor
1155         according to data references.
1156         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1157         dependences before determining the vectorization factor.
1158         Analyze alignment after determining the vectorization factor.
1159         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1160         dependences before alignment.
1161         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1162         Adjust prototype.
1163         (vect_analyze_data_refs): Likewise.
1164         (MAX_VECTORIZATION_FACTOR): New define.
1165
1166 2010-04-13  Duncan Sands  <baldrick@free.fr>
1167
1168         * except.h (lang_eh_type_covers): Remove.
1169         * except.c (lang_eh_type_covers): Likewise.
1170
1171 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1172             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1173
1174         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1175         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1176         UNITS_PER_LONG where it is ABI relevant.
1177         (s390_return_addr_rtx): Likewise.
1178         (s390_back_chain_rtx): Likewise.
1179         (s390_frame_area): Likewise.
1180         (s390_frame_info): Likewise.
1181         (s390_initial_elimination_offset): Likewise.
1182         (save_gprs): Likewise.
1183         (s390_emit_prologue): Likewise.
1184         (s390_emit_epilogue): Likewise.
1185         (s390_function_arg_advance): Likewise.
1186         (s390_function_arg): Likewise.
1187         (s390_va_start): Likewise.
1188         (s390_gimplify_va_arg): Likewise.
1189         (s390_function_profiler): Likewise.
1190         (s390_optimize_prologue): Likewise.
1191         (s390_rtx_costs): Likewise.
1192         (s390_secondary_reload): Likewise.
1193         (s390_promote_function_mode): Likewise.
1194         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1195         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1196         registers available.
1197         (s390_unwind_word_mode): New function.
1198         (s390_function_value): Split 64 bit values into register pair if
1199         used as return value.
1200         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1201         function call parameters.  Handle parallels.
1202         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1203         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1204         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1205         (s390_expand_setmem): Remove unused variable src_addr.
1206         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1207         deal with 64 bit registers.
1208         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1209         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1210         (UNITS_PER_LONG): New macro.
1211         * libjava/include/s390-signal.h: Define extended ucontext
1212         structure containing the upper halfs of the 64 bit registers.
1213
1214 2010-04-13  Simon Baldwin  <simonb@google.com>
1215
1216         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1217
1218 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1219
1220         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1221         rvalue on the RHS if the LHS is of a non-renamable type.
1222         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1223
1224 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1225
1226         * gcc.c (cc1_options): Handle -iplugindir before processing
1227         the cc1 spec. Only add -iplugindir once.
1228         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1229         found.
1230         * common.opt (iplugindir): Remove `Separate' property, initialize.
1231         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1232         option.
1233         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1234         (distclean): Remove plugin dir.
1235         * doc/invoke.texi: Document -iplugindir.
1236
1237 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1238
1239         * doc/plugins.texi (Loading Plugins): Document short
1240         -fplugin=foo option.
1241         (Plugin API): Mention default_plugin_dir_name function.
1242
1243         * gcc.c (find_file_spec_function): Add new declaration.
1244         (static_spec_func): Use it for "find-file".
1245         (find_file_spec_function): Add new function.
1246         (cc1_options): Add -iplugindir option if -fplugin* options found.
1247
1248         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1249
1250         * plugin.c (add_new_plugin): Updated comment, and handle short
1251         plugin name.
1252         (default_plugin_dir_name): Added new function.
1253
1254         * common.opt (iplugindir): New option to set the plugin directory.
1255
1256 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1257
1258         * config/i386/i386.md (any_rotate): New code iterator.
1259         (rotate_insn): New code attribute.
1260         (rotate): Ditto.
1261         (SWIM124): New mode iterator.
1262         (<rotate_insn>ti3): New expander.
1263         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1264         any_rotate code iterator.
1265         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1266         using any_rotate code iterator and SWIM124 mode iterator.
1267         (ix86_rotlti3): New insn_and_split pattern.
1268         (ix86_rotrti3): Ditto.
1269         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1270         ix86_rotl{di,ti}3 patterns.
1271         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1272         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1273         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1274         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1275         code iterator and SWI mode iterator.
1276         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1277         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1278         code iterator.
1279         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1280         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1281         (bswap rotatert splitter): Add splitter.
1282         (bswap splitter): Macroize splitter using any_rotate code iterator.
1283         Add insn predicate to split only for TARGET_USE_XCHGB or when
1284         optimizing function for size.
1285
1286 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1287
1288         * config/pa/pa.c (emit_move_sequence): Remove use of
1289         deleted variable flag_argument_noalias.
1290
1291 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1292
1293         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1294         configurations.
1295         Add to unsupported targets list.
1296         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1297         sparc*-sun-solaris2.[567]* from target lists.
1298         * configure: Regenerate.
1299         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1300         removal.
1301         Remove Solaris 7 patch references.
1302         (Specific, sparc-sun-solaris2.7): Removed.
1303         (sparc-sun-solaris2*): Update Solaris 7 example.
1304         (sparc64-*-solaris2*): Likewise.
1305
1306 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1307
1308         * config.build (alpha*-dec-osf4*): Remove.
1309         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1310         of obsolete configurations.
1311         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1312         support.
1313         * config/alpha/t-osf4: Renamed to ...
1314         * config/alpha/t-osf5: ... this.
1315         * config/alpha/osf.h: Renamed to ...
1316         * config/alpha/osf5.h: ... this.
1317         Merged old osf5.h contents.
1318         Update comments.
1319         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1320         (EXTRA_SPECS): Removed.
1321         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1322         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1323         Document that.
1324
1325 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1326
1327         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1328
1329 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1330
1331         PR/43702
1332         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1333         __thiscall convention.
1334
1335 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1336
1337         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1338         orig_base.
1339         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1340
1341 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1342
1343         * function.c (assign_parms_initialize_all): Add unused attribute
1344         to fntype.
1345
1346 2010-04-12  Richard Guenther  <rguenther@suse.de>
1347
1348         * gsstruct.def (GSS_CALL): New.
1349         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1350         * gimple.h: Include tree-ssa-alias.h.
1351         (struct gimple_statement_call): New.
1352         (union gimple_statement_struct_d): Add gimple_call member.
1353         (gimple_call_reset_alias_info): Declare.
1354         (gimple_call_use_set): New function.
1355         (gimple_call_clobber_set): Likewise.
1356         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1357         * gimple.c (gimple_call_reset_alias_info): New function.
1358         (gimple_build_call_1): Call it.
1359         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1360         * tree-inline.c (remap_gimple_stmt): Likewise.
1361         (expand_call_inline): Remove callused handling.
1362         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1363         * tree-dfa.c (dump_variable): Likewise.
1364         * tree-parloops.c (parallelize_loops): Likewise.
1365         * tree-ssa.c (init_tree_ssa): Likewise.
1366         (delete_tree_ssa): Likewise.
1367         * tree-flow-inline.h (is_call_used): Remove.
1368         * tree-flow.h (struct gimple_df): Remove callused member.
1369         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1370         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1371         (ref_maybe_used_by_call_p_1): Simplify.
1372         (call_may_clobber_ref_p_1): Likewise.
1373         * tree-ssa-structalias.c (compute_points_to_sets): Set
1374         the call stmt used and clobbered sets.
1375         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1376         (find_tail_calls): Verify the tail call.
1377
1378 2010-04-12  Richard Guenther  <rguenther@suse.de>
1379
1380         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1381         single-iteration always-inline inlining.
1382         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1383         (cgraph_decide_inlining): Do not handle always-inline specially.
1384         (try_inline): Remove always-inline cycle detection special case.
1385         Do not recurse on always-inlines.
1386         (cgraph_early_inlining): Do not iterate if not optimizing.
1387         (cgraph_gate_early_inlining): remove.
1388         (pass_early_inline): Run unconditionally.
1389         (gate_cgraph_decide_inlining): New function.
1390         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1391         not inlining or optimizing.
1392         (cgraph_decide_inlining_of_small_functions): Also consider
1393         always-inline functions.
1394         (cgraph_default_inline_p): Return true for nodes which should
1395         disregard inline limits.
1396         (estimate_function_body_sizes): Assume zero size and time for
1397         nodes which are marked as disregarding inline limits.
1398         (cgraph_decide_recursive_inlining): Do not perform recursive
1399         inlining on always-inline nodes.
1400
1401 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1402
1403         PR bootstrap/43699
1404         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1405         for exprs satisfying handled_component_p.
1406
1407 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1408
1409         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1410         non-constant aggregate elements.
1411
1412         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1413         is a real initialization.
1414
1415 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1416
1417         PR c/36774
1418         * c-decl.c (start_function): Move forward check for nested function.
1419
1420 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1421
1422         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1423         * config/sh/sh.c: Include reload.h.
1424         (sh_legitimize_reload_address): New.
1425         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1426         sh_legitimize_reload_address.
1427
1428 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1429
1430         * config/sh/sh.md (*movqi_pop): New insn pattern.
1431         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1432
1433 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1434
1435         * config/i386/i386.md (any_shiftrt): New code iterator.
1436         (shiftrt_insn): New code attribute.
1437         (shiftrt): Ditto.
1438         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1439         using any_shiftrt code iterator.
1440         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1441         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1442         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1443         pattern from corresponding peephole2 patterns.
1444         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1445         using any_shiftrt code iterator.
1446         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1447         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1448         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1449         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1450         *{ashr,lshr}<mode>3_cmp_zext.
1451         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1452
1453 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1454
1455         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1456         scratch register.
1457         (*lshr<mode>3_cconly): Ditto.
1458
1459 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1460
1461         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1462         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1463         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1464         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1465         DWI mode iterator.
1466         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1467         from corresponding peephole2 patterns.
1468         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1469         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1470         and *lshrdi3_1_rex64 using SWI mode iterator.
1471         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1472         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1473         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1474         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1475         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1476         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1477         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1478         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1479         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1480         SWI mode iterator.
1481
1482 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1483
1484         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1485         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1486         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1487         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1488         DWI mode iterator.
1489         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1490         from corresponding peephole2 patterns.
1491         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1492         (ashrsi3_cvt): Rename from ashrsi3_31.
1493         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1494         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1495         and x86_64_shift_adj_3 using SWI48 mode iterator.
1496         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1497         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1498         and *ashrdi3_1_rex64 using SWI mode iterator.
1499         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1500         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1501         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1502         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1503         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1504         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1505         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1506         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1507         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1508         SWI mode iterator.
1509         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1510         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1511         x86_shift<mode>_adj_3 expanders.
1512
1513 2010-04-10  Wei Guozhi  <carrot@google.com>
1514
1515         PR target/42601
1516         * config/arm/arm.c (arm_pic_static_addr): New function.
1517         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1518         a static symbol.
1519         (arm_output_addr_const_extra): Output expression for new pattern.
1520         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1521
1522 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1523
1524         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1525         not enabled.
1526
1527         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1528         * web.c: Include "insn-config.h" and "recog.h".
1529         (union_match_dups): New function.
1530         (web_main): Call it.
1531         (union_defs): Don't try to recognize match_dups.
1532
1533         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1534         if doing so would replace the entire pattern.
1535
1536 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1537
1538         PR target/43707
1539         PR target/43709
1540         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1541         and splitter pattern.  Change splitter operand 1 predicate to
1542         nonmemory_operand.
1543
1544 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1545
1546         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1547         lattices are addresses of CONST_DECLs with the same initial value.
1548         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1549         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1550
1551 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1552             Bernd Schmidt  <bernds@codesourcery.com>
1553
1554         * loop-invariant.c (replace_uses): New static function.
1555         (move_invariant_reg): Use it to ensure we can replace the uses.
1556
1557 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1558
1559         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1560         function template.
1561         (picochip_override_options): Enable section anchors only above -O1.
1562         (picochip_reorg): Fixed a couple of build warnings.
1563
1564 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1565
1566         * configure.ac (plugin -rdynamic test): Log result.
1567         * configure: Regenerate.
1568         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1569         (RDYNAMIC_SPEC): Define.
1570         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1571
1572 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1573
1574         * configure.ac: Determine Sun ld version numbers.
1575         (comdat_group): Restrict GNU ld version checks to gld.
1576         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1577         (enable_comdat): Support --enable-comdat.
1578         * configure: Regenerate.
1579         * doc/install.texi (Configuration): Document --enable-comdat.
1580
1581 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1582
1583         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1584         * config/sol2-gld.h: ... here.
1585         * config.gcc (sparc*-*-solaris2*): Reflect this.
1586         (i[34567]86-*-solaris2*): Use it.
1587
1588 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1589
1590         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1591         setup_clocks_p.
1592         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1593
1594 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1595
1596         PR 42965
1597         * diagnostic.c (diagnostic_initialize): Initialize
1598         some_warnings_are_errors.
1599         (diagnostic_finish): New.
1600         (diagnostic_action_after_output): Call it before exiting.
1601         (diagnostic_report_diagnostic): Do not print message here. Set
1602         some_warnings_are_errors.
1603         * diagnostic.h (diagnostic_context): Delete
1604         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1605         (diagnostic_finish): Declare.
1606         * toplev.c (toplev_main): Call it before exit.
1607
1608 2010-04-09  Jason Merrill  <jason@redhat.com>
1609
1610         PR c++/42623
1611         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1612         for incomplete type.
1613
1614         PR c++/41788
1615         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1616         based on a warning flag.
1617
1618 2010-04-09  Richard Guenther  <rguenther@suse.de>
1619
1620         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1621
1622 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1623
1624         PR bootstrap/43684
1625         * varasm.c (default_assemble_visibility): Wrap vars that are
1626         set, but unused, by targets without GAS.
1627         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1628         Remove set, but unused, vars.
1629         (rs6000_legitimize_tls_address): Likewise.
1630         (altivec_expand_dst_builtin): Likewise.
1631         * config/darwin.c (machopic_classify_symbol): Likewise.
1632         (machopic_indirection_name): Likewise.
1633
1634 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1635
1636         * config/i386/i386.md (DWI): New mode iterator.
1637         (S): New mode attribute.
1638         (shift_operand): Ditto.
1639         (shift_immediate_operand): Ditto.
1640         (ashl_input_operand): Ditto.
1641         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1642         using SDWIM mode iterator.
1643         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1644         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1645         DWI mode iterator.
1646         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1647         from corresponding peephole2 patterns.
1648         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1649         and x86_64_shift_adj_1 using SWI48 mode iterator.
1650         (x86_shift<mode>_adj_2): Ditto.
1651         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1652         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1653         using SWI48 mode iterator.
1654         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1655         *ashldi3_cmp_rex64 using SWI mode iterator.
1656         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1657         *ashldi3_cconly_rex64 using SWI mode iterator.
1658         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1659         x86_shift<mode>_adj_{1,2}.
1660         (ix86_split_ashr): Ditto.
1661         (ix86_split_lshr): Ditto.
1662
1663 2010-04-09  Richard Guenther  <rguenther@suse.de>
1664
1665         * target.h (builtin_conversion): Pass in input and output types.
1666         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1667         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1668         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1669         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1670
1671         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1672         Handle AVX modes.
1673         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1674
1675 2010-04-09  Richard Guenther  <rguenther@suse.de>
1676
1677         PR target/43152
1678         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1679
1680 2010-04-09  Richard Guenther  <rguenther@suse.de>
1681
1682         * tree-vectorizer.h (struct _stmt_vec_info): Document
1683         that vectype is the type of the LHS.
1684         (supportable_widening_operation, supportable_narrowing_operation):
1685         Get both input and output vector types as arguments.
1686         (vect_is_simple_use_1): Declare.
1687         (get_same_sized_vectype): Likewise.
1688         * tree-vect-loop.c (vect_determine_vectorization_factor):
1689         Set STMT_VINFO_VECTYPE to the vector type of the def.
1690         (vectorizable_reduction): Adjust.
1691         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1692         Adjust.  Specify the output vector type.
1693         (vect_pattern_recog_1): Adjust.
1694         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1695         (vectorizable_call): Adjust.
1696         (vectorizable_conversion): Likewise.
1697         (vectorizable_operation): Likewise.
1698         (vectorizable_type_demotion): Likewise.
1699         (vectorizable_type_promotion): Likewise.
1700         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1701         the def.
1702         (vect_is_simple_use_1): New function.
1703         (supportable_widening_operation): Get both input and output
1704         vector types.
1705         (supportable_narrowing_operation): Likewise.
1706         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1707
1708 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1709
1710         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1711         __thiscall and _thiscall as predefined macros.
1712         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1713         thiscall attribute handling.
1714         (ix86_comp_type_attributes): Likewise.
1715         (ix86_function_regparm): Likewise.
1716         (ix86_return_pops_args): Likewise.
1717         (init_cumulative_args): Likewise.
1718         (find_drap_reg): Likewise.
1719         (ix86_static_chain): Likewise.
1720         (x86_this_parameter): Likewise.
1721         (x86_output_mi_thunk): Likewise.
1722         (ix86_attribute_table): Add description for thiscall attribute.
1723         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1724         * doc/extend.texi: Add documentation for thiscall.
1725
1726 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1727
1728         PR c++/28584
1729         * c.opt (Wint-to-pointer-cast): Available in C++.
1730         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1731
1732 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1733
1734         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1735         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1736         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1737         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1738         function type instead.  Reorder and simplify checks.
1739
1740         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1741
1742 2010-04-08  Jing Yu  <jingyu@google.com>
1743             Zdenek Dvorak  <ook@ucw.cz>
1744
1745         PR tree-optimization/42720
1746         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1747         loop unswitch conditions here from ...
1748         (tree_unswitch_single_loop): ... here.
1749
1750 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1751
1752         * tree-if-conv.c: Fix comments and simplify logic.
1753
1754 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1755
1756         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1757         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1758         (main_tree_if_conversion): Update call to tree_if_conversion.
1759
1760 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1761
1762         PR 42485
1763         * doc/invoke.texi (-b,-V): Delete.
1764         * doc/tm.texi: Do not mention -b.
1765         * gcc.c (display_help): Delete -b and -V.
1766         (process_command): Delete -b and -V.
1767         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1768
1769 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1770             Wolfgang Gellerich  <gellerich@de.ibm.com>
1771
1772         Implement target hook for loop unrolling
1773         * target.h (loop_unroll_adjust): Add a new target hook function.
1774         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1775         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1776         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1777         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1778         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1779         target hook.
1780         (decide_unroll_stupid): Likewise.
1781
1782 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1783
1784         PR target/43643
1785         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1786
1787 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1788
1789         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1790         (Specific, *-*-solaris2*): Likewise.
1791         Don't prefer Sun as over GNU as.
1792
1793 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1794
1795         * config/s390/s390.c (override_options): Adjust the z10
1796           defaults for max-unroll-times, max-completely-peeled-insns
1797           and max-completely-peel-times.
1798
1799 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1800
1801         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1802         instructions for z10.
1803         (s390_expand_setmem): Likewise.
1804         (s390_expand_cmpmem): Likewise.
1805
1806 2010-04-08  Richard Guenther  <rguenther@suse.de>
1807
1808         PR tree-optimization/43679
1809         * tree-ssa-pre.c (eliminate): Only propagate copies.
1810
1811 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1812
1813         PR bootstrap/43681
1814         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1815         set but not used variable warning.
1816
1817 2010-04-08  Wei Guozhi  <carrot@google.com>
1818
1819         PR target/41653
1820         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1821         (arm_size_rtx_costs): Call the new function when optimized for size.
1822
1823 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1824
1825         PR debug/43670
1826         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1827         op0 is not a MEM, just return NULL instead of assertion
1828         failure.
1829         (discover_nonconstant_array_refs): Don't walk debug stmts.
1830
1831 2010-04-08  Doug Kwan  <dougkwan@google.com>
1832
1833         * configure.ac: Recognize gold and do not use its version number
1834         to test ld features.
1835         * configure: Regenerate.
1836
1837 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1838
1839         PR middle-end/40815
1840         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1841         (negate_value): Move code to push elements to broken_up_substracts ...
1842         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1843         negative pair to plus_negates.
1844         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1845
1846 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1847
1848         * doc/install.texi (Configuration): Move description of
1849         --enable-lto, --with-libelf*, --enable-gold from Java section to
1850         general section.
1851
1852         * doc/generic.texi (Working with declarations)
1853         (Function Properties, C and C++ Trees): Fix typos.
1854         * doc/sourcebuild.texi (Top Level): Likewise.
1855
1856 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1857
1858         PR c/18624
1859         * tree.h (DECL_READ_P): Define.
1860         (struct tree_decl_common): Add decl_read_flag.
1861         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1862         a set but not used warning.
1863         (merge_decls): Merge DECL_READ_P flag.
1864         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1865         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1866         * c-common.c (handle_used_attribute, handle_unused_attribute):
1867         Likewise.
1868         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1869         New prototypes.
1870         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1871         New functions.
1872         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1873         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1874         c_parser_binary_expression, c_parser_cast_expression,
1875         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1876         Call default_function_array_read_conversion instead of
1877         default_function_array_conversion where needed.
1878         (c_parser_unary_expression, c_parser_conditional_expression,
1879         c_parser_postfix_expression_after_primary, c_parser_initelt):
1880         Likewise.  Call mark_exp_read where needed.
1881         (c_parser_statement_after_labels, c_parser_asm_operands,
1882         c_parser_typeof_specifier, c_parser_sizeof_expression,
1883         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1884         where needed.
1885         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1886         New.
1887         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1888         (warn_unused_but_set_parameter): Default to warn_unused
1889         && extra_warnings.
1890         * doc/invoke.texi: Document -Wunused-but-set-variable and
1891         -Wunused-but-set-parameter.
1892
1893         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1894         used count variable.
1895         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1896         when operandN variables aren't used in the body of the expander
1897         or splitter.
1898         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1899         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1900         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1901         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1902         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1903         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1904         * tree.c (PROCESS_ARG): Likewise.
1905
1906 2010-04-07  Simon Baldwin  <simonb@google.com>
1907
1908         * diagnostic.h (diagnostic_override_option_index): New macro to
1909         set a diagnostic's option_index.
1910         * c-tree.h (c_cpp_error): Add warning reason argument.
1911         * opts.c (_warning_as_error_callback): New.
1912         (register_warning_as_error_callback): Store callback for
1913         warnings enabled via enable_warning_as_error.
1914         (enable_warning_as_error): Call callback, minor code tidy.
1915         * opts.h (register_warning_as_error_callback): Declare.
1916         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1917         response to -Werror=.
1918         (c_common_init_options): Register warning_as_error_callback in opts.c.
1919         * common.opt: Add -Wno-cpp option.
1920         * c-common.c (struct reason_option_codes_t): Map cpp warning
1921         reason codes to gcc option indexes.
1922         * (c_option_controlling_cpp_error): New function, lookup the gcc
1923         option index for a cpp warning reason code.
1924         * (c_cpp_error): Add warning reason argument, call
1925         c_option_controlling_cpp_error for diagnostic_override_option_index.
1926         * doc/invoke.texi: Document -Wno-cpp.
1927
1928 2010-04-07  Richard Guenther  <rguenther@suse.de>
1929
1930         * ipa-reference.c (mark_load): Use get_base_address.
1931         (mark_store): Likewise.
1932
1933         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1934         inserting GIMPLE_NOPs into the IL.
1935         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1936         Explicitly strip handled components and indirect references.
1937
1938         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1939         folding address expressions.
1940         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1941         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1942         operand_equal_p to compare decls.
1943         (ptr_deref_may_alias_decl_p): Likewise.
1944         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1945         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1946         Handle reversed comparison ops.
1947         * tree-sra.c (asm_visit_addr): Use get_base_address.
1948         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1949         * ipa-reference.c (mark_address): Use get_base_address.
1950
1951 2010-04-07  Richard Guenther  <rguenther@suse.de>
1952
1953         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1954         Propagate constants everywhere.
1955
1956 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1957
1958         PR debug/43516
1959         * tree.c (MAX_INT_CACHED_PREC): Define.
1960         (nonstandard_integer_type_cache): New array.
1961         (build_nonstandard_integer_type): Cache results for precision
1962         <= MAX_INT_CACHED_PREC.
1963
1964 2010-04-07  Richard Guenther  <rguenther@suse.de>
1965
1966         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1967         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1968         * common.opt: Likewise.
1969         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1970         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1971         (nonoverlapping_memrefs_p): Likewise.
1972         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1973         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1974         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1975         OPT_fargument_noalias_global for backward compatibility.
1976
1977 2010-04-07  Richard Guenther  <rguenther@suse.de>
1978
1979         PR tree-optimization/43270
1980         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1981         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1982         * tree-ssa-pre.c (phi_translate_1): Adjust.
1983         (fully_constant_expression): Split out vn_reference handling to ...
1984         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1985         Fold reads from constant strings.
1986         (vn_reference_lookup): Handle fully constant references.
1987         (vn_reference_lookup_pieces): Likewise.
1988         * Makefile.in (expmed.o-warn): Add -Wno-error.
1989
1990 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1991
1992         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1993
1994 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1995
1996         PR driver/41594
1997         * gcc.c: Add -static-libstdc++ to list of recognized options.
1998
1999 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2000
2001         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2002
2003 2010-04-07  Richard Guenther  <rguenther@suse.de>
2004
2005         PR middle-end/42617
2006         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2007         bases build simple mem attributes to retain points-to information.
2008
2009 2010-04-07  Richard Guenther  <rguenther@suse.de>
2010
2011         PR middle-end/42617
2012         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2013         preserve points-to related information.
2014
2015 2010-04-07  Richard Guenther  <rguenther@suse.de>
2016
2017         PR middle-end/42617
2018         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2019         discard plain indirect references.
2020         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2021         * tree.c (tree_nop_conversion): Likewise.
2022
2023 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2024
2025         PR debug/43628
2026         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2027
2028 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2029
2030         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2031         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2032
2033 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2034
2035         * tree-if-conv.c: Fix indentation and comments.
2036
2037 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2038
2039         * tree-if-conv.c: Sort static functions in topological order.
2040
2041 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         * tree-if-conv.c: Fix indentation and comments.
2044
2045 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2046
2047         PR middle-end/43519
2048         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2049         lang_hooks.types.type_for_size instead of
2050         build_nonstandard_integer_type.
2051         When converting an unsigned type to signed, double its precision.
2052         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2053         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2054         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2055         use lb <= ub.
2056
2057 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2058
2059         PR middle-end/43519
2060         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2061         POINTER_PLUS_EXPR for pointer types.
2062
2063 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2064
2065         PR middle-end/43519
2066         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2067         * graphite-clast-to-gimple.c: Include langhooks.h.
2068         (max_signed_precision_type): New.
2069         (max_precision_type): Takes two types as arguments.
2070         (precision_for_value): New.
2071         (precision_for_interval): New.
2072         (gcc_type_for_interval): New.
2073         (gcc_type_for_value): New.
2074         (gcc_type_for_clast_term): New.
2075         (gcc_type_for_clast_red): New.
2076         (gcc_type_for_clast_bin): New.
2077         (gcc_type_for_clast_expr): Split up into several functions.
2078         (gcc_type_for_clast_eq): Rewritten.
2079         (compute_bounds_for_level): New.
2080         (compute_type_for_level_1): New.
2081         (compute_type_for_level): New.
2082         (gcc_type_for_cloog_iv): Removed.
2083         (gcc_type_for_iv_of_clast_loop): Rewritten.
2084         (graphite_create_new_loop): Compute the lower and upper bound types
2085         with gcc_type_for_clast_expr.
2086         (graphite_create_new_loop_guard): Same.
2087         (find_cloog_iv_in_expr): Removed.
2088         (compute_cloog_iv_types_1): Removed.
2089         (compute_cloog_iv_types): Removed.
2090         (gloog): Do not call compute_cloog_iv_types.
2091         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2092         GBB_CLOOG_IV_TYPES.
2093         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2094         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2095         (GBB_CLOOG_IV_TYPES): Removed.
2096
2097 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2098
2099         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2100         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2101         (detect_commutative_reduction): Same.
2102
2103 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2104
2105         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2106         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2107         argument.
2108         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2109         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2110         (rewrite_commutative_reductions_out_of_ssa): Same.
2111         * passes.c (execute_function_todo): Call verify_ssa for every pass
2112         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2113         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2114         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2115         with an extra argument.
2116         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2117         verify_ssa only when the extra argument is true.
2118         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2119         with an extra argument.
2120         (tree_transform_and_unroll_loop): Same.
2121
2122 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2123
2124         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2125         for all the passes of the LNO having LOOP_CLOSED_SSA.
2126         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2127         * tree-loop-distribution.c (pass_loop_distribution): Same.
2128         * tree-pass.h (TODO_verify_loops): Removed.
2129         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2130         (pass_lim): Same.
2131         (pass_tree_unswitch): Same.
2132         (pass_predcom): Same.
2133         (pass_vectorize): Same.
2134         (pass_linear_transform): Same.
2135         (pass_graphite_transforms): Same.
2136         (pass_iv_canon): Same.
2137         (pass_complete_unroll): Same.
2138         (pass_complete_unrolli): Same.
2139         (pass_parallelize_loops): Same.
2140         (pass_loop_prefetch): Same.
2141         (pass_iv_optimize): Same.
2142
2143 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2144
2145         PR middle-end/32824
2146         * passes.c (init_optimization_passes): Move pass_lim before
2147         pass_copy_prop and pass_dce_loop.
2148
2149 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2150
2151         PR target/43667
2152         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2153         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2154         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2155         MULTI_* defines for 4 argument vpermil2p* builtins.
2156
2157 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2158
2159         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2160         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2161         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2162         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2163         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2164         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2165         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2166         Use x86_maybe_negate_const_int to output insn mnemonic.
2167         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2168         check from instruction predicate.  Update comments.
2169         * config/i386/sync.md (sync_add<mode>): Use
2170         x86_maybe_negate_const_int to output insn mnemonic.
2171
2172 2010-04-06  Jan Hubicka  <jh@suse.cz>
2173
2174         PR tree-optimization/42906
2175         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2176         IGNORE_SELF argument.  Set visited_control_parents for fully
2177         processed BBs.
2178         (find_obviously_necessary_stmts): Update call of
2179         mark_control_dependent_edges_necessary.
2180         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2181
2182 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2183
2184         * config/i386/i386.md: Remove comment about 'e' and 'E'
2185         operand modifier.
2186
2187 2010-04-06  Richard Guenther  <rguenther@suse.de>
2188
2189         PR tree-optimization/43627
2190         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2191         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2192         not varying.
2193
2194 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2195
2196         * BASE-VER: Change to 4.6.0.
2197
2198         PR target/43638
2199         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2200         handling.
2201
2202 2010-04-06  Richard Guenther  <rguenther@suse.de>
2203
2204         PR middle-end/43661
2205         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2206
2207 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2208
2209         * doc/invoke.texi (Optimize Options): Document that LTO
2210         won't remove object access purely due to incompatible
2211         declarations.
2212
2213 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2214
2215         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2216         Initialize variable.
2217
2218 2010-04-03  Richard Guenther  <rguenther@suse.de>
2219
2220         PR middle-end/42509
2221         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2222         require a non-NULL MEM_OFFSET.
2223
2224 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2225
2226         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2227         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2228         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2229         config/alpha/predicates.md, config/arm/arm.md,
2230         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2231         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2232         config/darwin9.h, config/darwin.c, config/darwin.h,
2233         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2234         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2235         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2236         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2237         config/mips/mips.md, config/mn10300/mn10300.c,
2238         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2239         config/rs6000/aix.h, config/rs6000/dfp.md,
2240         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2241         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2242         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2243         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2244         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2245         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2246         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2247         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2248         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2249         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2250         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2251         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2252         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2253         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2254         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2255         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2256         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2257         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2258         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2259         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2260         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2261         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2262         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2263         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2264         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2265         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2266         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2267         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2268         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2269         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2270         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2271         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2272         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2273         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2274         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2275         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2276
2277 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2278
2279         PR other/43620
2280         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2281         * aclocal.m4: Regenerate.
2282
2283 2010-04-02  Richard Guenther  <rguenther@suse.de>
2284
2285         PR tree-optimization/43629
2286         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2287         if we have seen a constant value.
2288
2289 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2290
2291         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2292
2293 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2294
2295         PR target/43469
2296         * arm.c (legitimize_tls_address): Adjust call to
2297         gen_tls_load_dot_plus_four.
2298         (arm_note_pic_base): New function.
2299         (arm_cannot_copy_insn_p): Use it.
2300         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2301         constraint.
2302
2303 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2304
2305         PR bootstrap/43531
2306
2307         Revert:
2308         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2309
2310         * Makefile.in ($(out_object_file)): Depend on
2311         gt-$(basename $(notdir $(out_file))).h.
2312
2313 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2314
2315         * config.gcc (lm32-*-rtems*): Add t-lm32.
2316
2317 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2318
2319         * config.gcc: Add lm32-*-rtems*.
2320         * config/lm32/rtems.h: New file.
2321
2322 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2323
2324         PR target/42609
2325         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2326
2327 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2328
2329         * dwarf2out.c (output_compilation_unit_header): For
2330         -gdwarf-4 use version 4 instead of version 3.
2331         (output_line_info): For version 4 and above emit additional
2332         maximum ops per insn header field.
2333         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2334
2335         * dwarf2out.c (is_c_family, is_java): Remove.
2336         (lower_bound_default): New function.
2337         (add_bound_info, gen_descr_array_type_die): Use it.
2338
2339 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2340
2341         PR debug/43325
2342         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2343         re-declaration when it happens in a function.
2344
2345 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2346
2347         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2348         (cgraph_remove_function_insertion_hook): Same.
2349         (cgraph_call_function_insertion_hooks): Same.
2350
2351 2010-04-01  Richard Guenther  <rguenther@suse.de>
2352
2353         PR middle-end/43614
2354         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2355         and TREE_THIS_VOLATILE.
2356         (copy_ref_info): Likewise.
2357         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2358         * tree.c (build6_stat): Ignore side-effects of all but arg5
2359         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2360         TARGET_MEM_REF.
2361
2362 2010-04-01  Richard Guenther  <rguenther@suse.de>
2363
2364         PR tree-optimization/43607
2365         * ipa-type-escape.c (check_call): Do not access non-existing
2366         arguments.
2367
2368 2010-04-01  Richard Guenther  <rguenther@suse.de>
2369
2370         PR middle-end/43602
2371         Revert
2372         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2373                     Jack Howarth <howarth@bromo.med.uc.edu>
2374
2375         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2376         variables TLS.
2377
2378 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2379
2380         * doc/install.texi (Prerequisites): Document libelf usability on
2381         IRIX 5/6 and Solaris 2.
2382         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2383         Update GNU as, GNU ld requirements.
2384         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2385         Document Sun Studio compiler download.
2386         Update and simplify as, ld recommendations.
2387         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2388
2389 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2390
2391         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2392         with_tune_32 to pentium4.
2393
2394 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2395
2396         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2397
2398 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2399
2400         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2401         obsoletion, removal.
2402         Update IDO URL.
2403         Document GNU as requirement.
2404         Update configure requirements.
2405         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2406         Recomment IRIX 6.5.18+.
2407         Document IDF/IDL requirement.
2408         Document GNU as requirement.
2409         Document GNU ld bootstrap failure.
2410         Remove freeware.sgi.com reference.
2411
2412 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2413
2414         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2415         UNIX V4.0, V5.0 obsoletion, removal.
2416         Remove --with-gc=simple reference.
2417         Update VM requirements during bootstrap.
2418         Remove -oldas bootstrap description.
2419         Update binutils reference.
2420         Remove comparison failure note.
2421
2422 2010-03-31  Richard Guenther  <rguenther@suse.de>
2423             Zdenek Dvorak  <ook@ucw.cz>
2424             Sebastian Pop  <sebastian.pop@amd.com>
2425
2426         PR middle-end/43464
2427         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2428         with multiple arguments.
2429         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2430
2431 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         * graphite-dependences.c (print_pddr): Call print_pdr with an
2434         extra argument.
2435         * graphite-poly.c (debug_pdr): Add an extra argument for the
2436         verbosity level.
2437         (print_pdr): Same.
2438         (print_pbb_domain): Same.
2439         (print_pbb): Same.
2440         (print_scop_context): Same.
2441         (print_scop): Same.
2442         (print_cloog): Same.
2443         (debug_pbb_domain): Same.
2444         (debug_pbb): Same.
2445         (print_pdrs): Same.
2446         (debug_pdrs): Same.
2447         (debug_scop_context): Same.
2448         (debug_scop): Same.
2449         (debug_cloog): Same.
2450         (print_scop_params): Same.
2451         (debug_scop_params): Same.
2452         (print_iteration_domain): Same.
2453         (print_iteration_domains): Same.
2454         (debug_iteration_domain): Same.
2455         (debug_iteration_domains): Same.
2456         (print_scattering_function): Same.
2457         (print_scattering_functions): Same.
2458         (debug_scattering_function): Same.
2459         (debug_scattering_functions): Same.
2460         * graphite-poly.h (debug_pdr): Update declaration.
2461         (print_pdr): Same.
2462         (print_pbb_domain): Same.
2463         (print_pbb): Same.
2464         (print_scop_context): Same.
2465         (print_scop): Same.
2466         (print_cloog): Same.
2467         (debug_pbb_domain): Same.
2468         (debug_pbb): Same.
2469         (print_pdrs): Same.
2470         (debug_pdrs): Same.
2471         (debug_scop_context): Same.
2472         (debug_scop): Same.
2473         (debug_cloog): Same.
2474         (print_scop_params): Same.
2475         (debug_scop_params): Same.
2476         (print_iteration_domain): Same.
2477         (print_iteration_domains): Same.
2478         (debug_iteration_domain): Same.
2479         (debug_iteration_domains): Same.
2480         (print_scattering_function): Same.
2481         (print_scattering_functions): Same.
2482         (debug_scattering_function): Same.
2483         (debug_scattering_functions): Same.
2484
2485 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2486
2487         * graphite-poly.c (print_scattering_function_1): New.
2488         (print_scattering_function): Call it.
2489         (print_scop_params): Remove spaces at the end of lines.
2490         (print_cloog): New.
2491         (debug_cloog): New.
2492         * graphite-poly.h (print_cloog): Declared.
2493         (debug_cloog): Declared.
2494
2495 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2496
2497         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2498         in loop->header.
2499         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2500         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2501         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2502         to switch between adding the IV bump in loop->latch or in loop->header.
2503
2504 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2505
2506         * graphite-poly.c (print_scattering_function): Pretty print following
2507         the scoplib format.
2508         (print_pdr): Same.
2509         (print_pbb_domain): Same.
2510         (dump_gbb_cases): Same.
2511         (dump_gbb_conditions): Same.
2512         (print_pdrs): Same.
2513         (print_pbb): Same.
2514         (print_scop_params): Same.
2515         (print_scop_context): Same.
2516         (print_scop): Same.
2517         (print_pbb_body): New.
2518         (lst_indent_to): New.
2519         (print_lst): Start new lines with a #.
2520         * graphite-poly.h (pbb_bb): New.
2521         (pbb_index): Use pbb_bb.
2522         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2523         disjuncts.
2524         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2525
2526 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2527
2528         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2529         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2530         and 0 instead of 1 for dw_val_class_flag.
2531         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2532         dw_val_class_range_list, dw_val_class_loc_list,
2533         dw_val_class_lineptr and dw_val_class_macptr, use
2534         DW_FORM_flag_present for dw_val_class_flag and
2535         DW_FORM_exprloc for dw_val_class_loc.
2536         (output_die): For -gdwarf-4 print dw_val_class_loc
2537         size as uleb128 instead of 1 or 2 bytes and don't print
2538         anything for dw_val_class_flag.
2539
2540         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2541         instead of cselib_lookup following by tweaking locs->setting_insn.
2542
2543         PR bootstrap/43596
2544         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2545         even before returning from label, setjmp call or volatile asm
2546         handling.
2547
2548 2010-03-31  Richard Guenther  <rguenther@suse.de>
2549
2550         PR middle-end/43600
2551         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2552         temporary data on stack.
2553
2554 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2555
2556         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2557         (PUSHSECTION_ASM_OP): Remove.
2558         (POPSECTION_ASM_OP): Remove.
2559         (PUSHSECTION_FORMAT): Remove.
2560         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2561         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2562         * config/sol2.c (solaris_output_init_fini): Use it.
2563
2564 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2565
2566         PR 43574
2567         * opt-functions.awk (var_type_struct): Use signed char type
2568         for simple variables.
2569
2570 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2571
2572         * config/sol2.c: Include output.h.
2573         (solaris_assemble_visibility): New function.
2574         * config/t-sol2 (sol2.o): Add output.h dependency.
2575         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2576         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2577         Redefine.
2578
2579 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2580
2581         PR target/43580
2582         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2583         V2SImode or XFmode on PRE_DEC.
2584
2585         PR debug/43557
2586         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2587         BLKmode.
2588
2589 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2590
2591         PR 43562
2592         * reload.h (caller_save_initialized_p): Declare.
2593         * toplev.c (backend_init_target): Don't call
2594         init_caller_save but set caller_save_initialized_p to false.
2595         * caller-save.c (caller_save_initialized_p): Define.
2596         (init_caller_save): Check caller_save_initialized_p.
2597         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2598
2599 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2600
2601         PR target/39048
2602         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2603         and soft-fp/t-softfp to tmake_file.
2604         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2605         (LIBGCC2_TF_CEXT): Define.
2606         (TF_SIZE): Define.
2607
2608 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2609
2610         PR debug/42977
2611         * cselib.c (n_useless_values): Document handling of debug locs.
2612         (n_useless_debug_values, n_debug_values): New variables.
2613         (new_elt_loc_list): Don't add to debug values, keep count.
2614         (promote_debug_loc): New.
2615         (cselib_reset_table): Zero new variables.
2616         (entry_and_rtx_equal_p): Promote debug locs.
2617         (discard_useless_locs): Increment n_useless_debug_values for
2618         debug values.
2619         (remove_useless_values): Adjust n_useless_values and n_debug_values
2620         with n_useless_debug_values.
2621         (add_mem_for_addr): Promote debug locs.
2622         (cselib_lookup_mem): Likewise.
2623         (cselib_lookup_addr): Renamed to...
2624         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2625         (cselib_log_lookup): ... this.  Turn into...
2626         (cselib_lookup_addr): ... new wrapper.
2627         (cselib_lookup_from_insn): New.
2628         (cselib_invalidate_regno): Increment n_useless_debug_values for
2629         debug values.
2630         (cselib_invalidate_mem): Likewise.
2631         (cselib_process_insn): Take n_deleted and n_debug_values into
2632         account to guard remove_useless_value call.
2633         (cselib_finish): Zero n_useless_debug_values.
2634         * cselib.h (cselib_lookup_from_insn): Declare.
2635         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2636         (sched_analyze_2): Likewise.
2637
2638 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2639
2640         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2641         functions.
2642         (adjust_mems): Replace narrowing SUBREG of expression containing
2643         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2644         with operations in the narrower mode.
2645
2646         PR debug/43593
2647         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2648         regs_invalidated_by_call instead all call_used_reg_set registers.
2649
2650 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         PR middle-end/43430
2653         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2654         pointer comparisons with types_compatible_p.
2655         * tree-vect-stmts.c (vectorizable_call): Same.
2656         (vectorizable_condition): Same.
2657
2658 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2659
2660         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2661         stack check if the mask would be zero.
2662
2663 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2664             Jack Howarth <howarth@bromo.med.uc.edu>
2665
2666         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2667         variables TLS.
2668
2669 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2670
2671         PR other/25232
2672         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2673         and __unordtf2.
2674         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2675         Include ___unordxf2 and ___unordtf2.
2676         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2677         GCC_4.4.0 here.
2678
2679 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2680
2681         * config/lm32/t-lm32: New file.
2682         * config.gcc: Use the above file when targetting lm32.
2683
2684 2010-03-28  Duncan Sands  <baldrick@free.fr>
2685
2686         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2687
2688 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2689
2690         PR middle-end/43431
2691         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2692         Improve vectorization cost model diagnostic.
2693
2694 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2695
2696         PR middle-end/43436
2697         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2698         compute_data_dependences_for_loop returns false, early exit
2699         and output an extra diagnostic for the failed data reference
2700         analysis.
2701
2702 2010-03-29  Richard Guenther  <rguenther@suse.de>
2703
2704         PR tree-optimization/43560
2705         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2706         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2707
2708 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2709
2710         PR 43564
2711         * toplev.c (process_options): Set optimization_default_node
2712         and optimization_current_node.
2713         * opts.c (decode_options): Don't set optimization_default_node
2714         and optimization_current_node.
2715
2716 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2717
2718         * config/rtems.h: Abandon -qrtems_debug.
2719
2720 2010-03-28  Jan Hubicka  <jh@suse.cz>
2721
2722         PR tree-optimization/43505
2723         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2724         map should not be copied.
2725
2726 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2727
2728         PR middle-end/41674
2729         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2730         cdtors, set DECL_PRESERVE_P.
2731         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2732         should be preseved.
2733
2734 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2735
2736         PR tree-optimization/43528
2737         * stor-layout.c (place_field): Check that constant fits into
2738         unsigned HWI when skipping calculation of MS bitfield layout.
2739
2740 2010-03-27  Jan Hubicka  <jh@suse.cz>
2741
2742         PR middle-end/43391
2743         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2744         notice_global_symbol work.
2745
2746 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2747
2748         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2749         instead of dwarf2out_decl.
2750         (struct var_loc_node): Remove section_label field.
2751         (dwarf2out_function_decl): New function.
2752         (dwarf2out_var_location): Don't set section_label field.
2753         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2754
2755 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2756
2757         PR tree-optimization/43544
2758         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2759         First argument for builtin vectorized function hook is now a
2760         tree to be able to distinguish between machine specific and
2761         standard builtins.
2762         * targhooks.c (default_builtin_vectorized_function): Ditto.
2763         * targhooks.h (default_builtin_vectorized_function): Ditto.
2764         * target.h (struct gcc_target): Ditto.
2765         * tree-vect-stmts.c (vectorizable_function): Ditto.
2766         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2767         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2768         Ditto.
2769
2770 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2771
2772         PR c/43381
2773         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2774         nested binding iff it is a FUNCTION_DECL.
2775         (store_parm_decls_newstyle): Pass nested=true to bind for
2776         FUNCTION_DECLs amongst parameters.
2777
2778 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2779
2780         * var-tracking.c (vt_expand_loc_callback): Don't run
2781         cselib_expand_value_rtx_cb in dummy mode if
2782         cselib_dummy_expand_value_rtx_cb returned false.
2783
2784         * var-tracking.c (emit_note_insn_var_location): For one part
2785         notes with offset 0, don't add EXPR_LIST around the location.
2786         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2787         add_location_or_const_value_attribute): Adjust for that change.
2788
2789         PR debug/43540
2790         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2791         into first operand and location into second.
2792         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2793         dw_cfi_oprnd_loc for DW_CFA_expression.
2794         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2795         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2796         assume first argument is regnum and second argument is location.
2797
2798 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2799
2800         PR target/42113
2801         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2802         of scratch register to DImode.  Split to DImode comparison operator.
2803         Use SImode subreg of scratch register in the multiplication.
2804         (*cmp_sadd_sidi): Ditto.
2805         (*cmp_ssub_si): Ditto.
2806         (*cmp_ssub_sidi): Ditto.
2807
2808 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2809
2810         PR target/43524
2811         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2812         Remove invalid assert and wrong comment.
2813
2814 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2815
2816         PR debug/43516
2817         * flags.h (final_insns_dump_p): New extern.
2818         * final.c (final_insns_dump_p): New variable.
2819         (rest_of_clean_state): Set it before -fdump-final-insns=
2820         dumping, clear afterwards.
2821         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2822         MEM_ALIAS_SET on MEMs.
2823
2824 2010-03-26  David S. Miller  <davem@davemloft.net>
2825
2826         * configure.ac: Fix sparc GOTDATA_OP bug check.
2827         * configure: Rebuild.
2828
2829 2010-03-26  Alan Modra  <amodra@gmail.com>
2830
2831         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2832
2833 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2834
2835         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2836         TLS_SECTION_ASM_FLAG.
2837
2838 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2839
2840         PR bootstrap/43511
2841         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2842         Clear first_function_block_is_cold.
2843
2844         PR c/43385
2845         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2846         argument if the argument is truth_value_p.
2847
2848 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2849
2850         * config/rs6000/constraints.md: Update copyright year for my changes.
2851
2852         PR target/43484
2853         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2854         used in reg+reg addressing, swap registers.
2855
2856 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2857
2858         PR debug/43293
2859         * target.h (struct gcc_target): Add code_end hook.
2860         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2861         if not yet defined.
2862         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2863         * toplev.c (compile_file): Call targetm.asm_out.code_end
2864         hook before unwind info/debug info output.
2865         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2866         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2867         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2868         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2869         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2870         * config/i386/i386.c (ix86_file_end): Renamed to...
2871         (ix86_code_end): ... this.  Make static.  Don't call
2872         file_end_indicate_exec_stack.  Emit unwind info using
2873         final_start_function/final_end_function.
2874         (darwin_x86_file_end): Remove.
2875         (TARGET_ASM_CODE_END): Define.
2876         * config/i386/i386.h (TARGET_ASM_FILE_END,
2877         NEED_INDICATE_EXEC_STACK): Don't define.
2878         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2879         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2880         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2881         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2882
2883         PR target/43498
2884         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2885         at the beginning and final_end_function at the end.
2886         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2887
2888 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2889
2890         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2891         and Sun as TLS syntax.
2892         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2893         * configure: Regenerate.
2894         * config.in: Regenerate.
2895         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2896         (default_elf_asm_named_section): Use it.
2897         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2898         (i386_output_dwarf_dtprel): Likewise.
2899         (output_addr_const_extra): Likewise.
2900         (output_pic_addr_const): Lowercase @GOTTPOFF.
2901         (output_addr_const_extra): Likewise.
2902         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2903         (output_addr_const_extra): Likewise.
2904         (output_pic_addr_const): Lowercase @INDNTPOFF.
2905         (output_addr_const_extra): Likewise.
2906         (output_pic_addr_const): Lowercase @NTPOFF.
2907         (output_addr_const_extra): Likewise.
2908         (output_pic_addr_const): Lowercase @TPOFF.
2909         (output_addr_const_extra): Likewise.
2910         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2911         (*tls_global_dynamic_64): Likewise.
2912         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2913         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2914
2915         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2916         (ASM_OUTPUT_TLS_COMMON): Use it.
2917         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2918
2919         PR target/38118
2920         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2921         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2922         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2923         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2924         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2925         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2926
2927 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2928
2929         * config/i386/i386.c (override_options): Don't accept
2930         -mtls-dialect=sun any longer.
2931         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2932         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2933         (*tls_local_dynamic_base_32_sun): Likewise.
2934         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2935
2936 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2937
2938         PR debug/43508
2939         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2940         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2941
2942         PR debug/43479
2943         * ira.c (adjust_cleared_regs): New function.
2944         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2945
2946         PR debug/19192
2947         PR debug/43479
2948         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2949         from gimple_block.
2950         * expr.c (expand_expr_real): Restore previous
2951         curr_insn_source_location and curr_insn_block after
2952         expand_expr_real_1 call.
2953         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2954         instead of expand_expr_real_1.
2955
2956 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2957
2958         PR rtl-optimization/43413
2959         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2960         hard regs too.
2961
2962 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2963
2964         PR target/43348
2965         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2966         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2967
2968 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2969
2970         * config/i386/i386.c (ix86_target_string): Add -mfma.
2971         Fix a typo in comment.
2972
2973 2010-03-22  Mike Stump  <mikestump@comcast.net>
2974
2975         PR target/23071
2976         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2977         Don't overly align based upon packed packed fields.
2978
2979 2010-03-22  Jason Merrill  <jason@redhat.com>
2980
2981         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2982         Use () rather than [], and move before the element type.
2983
2984 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2985
2986         * doc/configfiles.texi (Configuration Files): Removed
2987         fixinc/Makefile*, intl/Makefile.*.
2988         * doc/makefile.texi: Fixed markup. Abstract from version
2989         control system used.
2990         (Makefile): Removed obsolete gcc/java/parse.y example.
2991         * doc/sourcebuild.texi: Likewise.
2992         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2993         libgomp, libssp.  Removed fastjar.
2994         (Miscellaneous Docs): Clarify location.
2995         Added COPYING3, COPYING3.LIB.
2996         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2997
2998 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2999
3000         PR target/38085
3001         * config/i386/i386.c (x86_function_profiler)
3002         [!NO_PROFILE_COUNTERS]: Fix typo.
3003         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3004         instead of callq.
3005
3006 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3007             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3008
3009         * doc/sourcebuild.texi (Test Directives): Split into six
3010         subsections, with most of the current text in new subsections
3011         Directives, Selectors, and Final Actions.
3012         (Directives): Split list of test directives into multiple
3013         subsubsections.
3014         (Selectors): Describe use and syntax of selectors.
3015         (Effective-Target Keywords): Describe all existing keywords.
3016         (Add Options): Describe features for dg-add-options.
3017         (Require Support): Describe variants of dg-require-support.
3018         (Final Actions): Describe commands to use in dg-final.
3019
3020 2010-03-22  Michael Matz  <matz@suse.de>
3021
3022         PR middle-end/43475
3023         * recog.c (validate_replace_rtx_group): Replace also in
3024         REG_EQUAL and REG_EQUIV notes.
3025
3026 2010-03-22  Richard Guenther  <rguenther@suse.de>
3027
3028         PR tree-optimization/43390
3029         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3030         sure vector extracts are type correct.
3031
3032 2010-03-22  Richard Guenther  <rguenther@suse.de>
3033
3034         PR middle-end/40106
3035         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3036         x * sqrt (x) even when optimizing for size if the target
3037         has native support for sqrt.
3038
3039 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3040
3041         * varasm.c (make_decl_rtl_for_debug): Also clear
3042         flag_mudflap for the duration of make_decl_rtl call.
3043
3044         PR debug/43443
3045         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3046         locs from preserved VALUEs.
3047
3048 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3049
3050         PR middle-end/42718
3051         * pa.md (movmemsi): Set align to one if zero.
3052         (movmemdi): Likewise.
3053
3054 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3055
3056         PR target/42321
3057         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3058         with their corresponding prologue pushes.
3059
3060 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3061
3062         PR target/43156
3063         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3064         at the begining or end.
3065         (spu_expand_epilogue): Likewise.
3066
3067 2010-03-20  Richard Guenther  <rguenther@suse.de>
3068
3069         PR rtl-optimization/43438
3070         * combine.c (make_extraction): Properly zero-/sign-extend an
3071         extraction of the low part of a CONST_INT.  Also handle
3072         CONST_DOUBLE.
3073
3074 2010-03-19  Mike Stump  <mikestump@comcast.net>
3075
3076         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3077         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3078         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3079
3080 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3081
3082         PR c/43211
3083         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3084         an error.
3085
3086 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3087
3088         PR rtl-optimization/42258
3089         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3090         use that may match DEF.
3091
3092         PR target/40697
3093         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3094         the cost of loading the constant rather than assuming
3095         COSTS_N_INSNS (1).
3096         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3097         outer code is AND, do the same tests as the andsi3 expander and
3098         return COSTS_N_INSNS (1) if and is cheap.
3099
3100         * optabs.c (avoid_expensive_constant): Fix formatting.
3101
3102 2010-03-19  Michael Matz  <matz@suse.de>
3103
3104         PR c++/43116
3105         * attribs.c (decl_attributes): When rebuilding a function pointer
3106         type use the same qualifiers as the original pointer type.
3107
3108 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3109
3110         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3111         and is_gimple_ip_invariant_address.
3112
3113 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3114
3115         Revert
3116         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3117
3118         * config/arm/arm.c (arm_override_options): Turn off
3119         flag_dwarf2_cfi_asm for AAPCS variants.
3120
3121 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3122
3123         PR target/43399
3124         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3125         Use PRE_MODIFY instead of PRE_DEC.
3126         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3127         (vfp_emit_fstmd): Likewise.
3128
3129 2010-03-19  Michael Matz  <matz@suse.de>
3130
3131         PR target/43305
3132         * builtins.c (expand_builtin_interclass_mathfn,
3133         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3134         if that fails.
3135
3136 2010-03-19  Richard Guenther  <rguenther@suse.de>
3137
3138         PR tree-optimization/43415
3139         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3140         (phi_translate_1): ... this.
3141         (phi_translate): Move all caching here.  Cache all NARY
3142         and REFERENCE translations.
3143
3144 2010-03-19  David S. Miller  <davem@davemloft.net>
3145
3146         With help from Eric Botcazou.
3147         * config/sparc/sparc.c: Include dwarf2out.h.
3148         (emit_pic_helper): Delete.
3149         (pic_helper_symbol_name): Delete.
3150         (pic_helper_emitted_p): Delete.
3151         (pic_helper_needed): New.
3152         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3153         (get_pc_thunk_name): New.
3154         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3155         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3156         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3157         (sparc_expand_prologue): Update load_pic_register call.
3158         (sparc_output_mi_thunk): Likewise.
3159         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3160         thunk if possible.  Output CFI information as needed.
3161
3162 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3163             Jack Howarth <howarth@bromo.med.uc.edu>
3164
3165         PR target/36399
3166         * config/i386/i386.h: Fix ABI on darwin x86-32.
3167
3168 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3169
3170         * tree.h: Declare make_decl_rtl_for_debug.
3171         * varasm.c (make_decl_rtl_for_debug): New.
3172         * dwarf2out.c (rtl_for_decl_location): Call it.
3173         * cfgexpand.c (expand_debug_expr): Call it.
3174
3175 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3176
3177         PR bootstrap/43399
3178         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3179         mem_mode.
3180
3181         PR bootstrap/43403
3182         * var-tracking.c (vt_init_cfa_base): Do nothing if
3183         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3184
3185 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3186
3187         PR debug/42873
3188         * var-tracking.c (canonicalize_vars_star): New.
3189         (dataflow_post_merge_adjust): Use it.
3190
3191 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3192
3193         PR debug/43058
3194         * var-tracking.c (non_suitable_const): New function.
3195         (add_uses): For DEBUG_INSNs with constants, don't record any
3196         value, instead just the constant value itself.
3197         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3198         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3199         (emit_notes_in_bb): Likewise.
3200         (emit_note_insn_var_location): For onepart variables if
3201         cur_loc is a VOIDmode constant, use DECL_MODE.
3202
3203 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3204
3205         PR middle-end/42450
3206         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3207         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3208         all non-clones.  Moved call redirection...
3209         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3210         (cgraph_materialize_all_clones): Dispose of all
3211         combined_args_to_skip bitmaps.
3212         (verify_cgraph_node): Do not check for edges pointing to wrong
3213         nodes in inline clones.
3214         * tree-inline.c (copy_bb): Call
3215         cgraph_redirect_edge_call_stmt_to_callee.
3216         * ipa.c (cgraph_remove_unreachable_nodes): Call
3217         cgraph_node_remove_callees even when there are used clones.
3218
3219 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3220
3221         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3222
3223 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3224
3225         PR target/43383
3226         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3227         for 32bit.
3228
3229 2010-03-18  Michael Matz  <matz@suse.de>
3230
3231         PR middle-end/43419
3232         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3233         into sqrt(x) if we need to preserve signed zeros.
3234
3235 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3236             Eric Botcazou  <ebotcazou@adacore.com>
3237
3238         PR rtl-optimization/43360
3239         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3240         note if we don't know its invariant status.
3241
3242 2010-03-18  Michael Matz  <matz@suse.de>
3243
3244         PR tree-optimization/43402
3245         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3246         PHI chains of ssa names registered for update.
3247
3248 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3249
3250         PR target/42427
3251         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3252         non-offsettable and pre_modify update addressing.
3253         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3254         and "2" alternatives "#".
3255         (*movdd_softfloat32): Make all alternatives "#";
3256         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3257         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3258         (*movdf_softfloat32): Make all alternatives "#";
3259         (movdi): Use the new DIFD mode iterator to create a common splitter
3260         for movdi, movdf and movdd patterns.
3261
3262 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3263
3264         * common.opt (dumpdir): Remove redundant tab.
3265
3266 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3267
3268         PR tree-optimization/43347
3269         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3270         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3271
3272 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3273
3274         PR rtl-optimization/42216
3275         * regrename.c (create_new_chain): New function, broken out from...
3276         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3277         appending a use to an empty chain.
3278         (build_def_use): Remove previous changes that convert OP_INOUT to
3279         OP_OUT operands; instead detect the case where an OP_INOUT operand
3280         uses a previously untracked register and create an empty chain for it.
3281
3282 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3283
3284         * doc/extend.texi (Function Attributes): Rewrite unfinished
3285         sentence in ms_abi documentation.
3286
3287 2010-03-17  Alan Modra  <amodra@gmail.com>
3288
3289         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3290         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3291         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3292         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3293
3294 2010-03-16  Richard Henderson  <rth@redhat.com>
3295
3296         PR middle-end/43365
3297         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3298         (lower_try_finally): Save and restore eh_seq around the expansion
3299         of the try-finally.
3300
3301 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3302
3303         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3304         statements before splitting block.
3305
3306 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3307
3308         * doc/sourcebuild.texi (Testsuites): Fix markup.
3309         Use pathnames relative to gcc/testsuite.
3310         (Test Directives): Move description of how timeout is determined.
3311         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3312         (C Tests): Correct gcc.misc-tests directory.
3313         Framework tests now live in gcc.test-framework.
3314
3315 2010-03-16  Richard Guenther  <rguenther@suse.de>
3316
3317         PR middle-end/43379
3318         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3319         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3320
3321 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3322             Alexandre Oliva  <aoliva@redhat.com>
3323
3324         PR tree-optimization/42917
3325         * lambda-code.c (remove_iv): Skip debug statements.
3326         (lambda_loopnest_to_gcc_loopnest): Likewise.
3327         (not_interesting_stmt): Debug statements are not interesting.
3328
3329 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3330
3331         PR debug/43051
3332         PR debug/43092
3333         * cselib.c (cselib_preserve_constants,
3334         cfa_base_preserved_val): New static variables.
3335         (preserve_only_constants): New function.
3336         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3337         clear its REG_VALUES.  If cselib_preserve_constants, don't
3338         empty the whole hash table, but preserve there VALUEs with constants,
3339         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3340         (cselib_preserve_cfa_base_value): New function.
3341         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3342         (cselib_init): Change argument to int bitfield.  Set
3343         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3344         is in it.
3345         (cselib_finish): Clear cselib_preserve_constants and
3346         cfa_base_preserved_val.
3347         * cselib.h (enum cselib_record_what): New enum.
3348         (cselib_init): Change argument to int.
3349         (cselib_preserve_cfa_base_value): New prototype.
3350         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3351         * dse.c (dse_step1): Likewise.
3352         * cfgcleanup.c (thread_jump): Likewise.
3353         * sched-deps.c (sched_analyze): Likewise.
3354         * gcse.c (local_cprop_pass): Likewise.
3355         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3356         If FN is non-NULL, call the callback always and whenever it returns
3357         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3358         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3359         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3360         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3361         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3362         * var-tracking.c: Include recog.h.
3363         (bb_stack_adjust_offset): Remove.
3364         (vt_stack_adjustments): Don't call it, instead just gather the
3365         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3366         (adjust_stack_reference): Remove.
3367         (compute_cfa_pointer): New function.
3368         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3369         (struct adjust_mem_data): New type.
3370         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3371         functions.
3372         (get_address_mode): New function.
3373         (replace_expr_with_values): Use it.
3374         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3375         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3376         (adjust_sets): Remove.
3377         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3378         Use get_address_mode.
3379         (get_adjusted_src): Remove.
3380         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3381         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3382         (add_with_sets): Don't call adjust_sets.
3383         (fp_setter, vt_init_cfa_base): New functions.
3384         (vt_initialize): Change return type to bool.  Move most of pool etc.
3385         initialization to the beginning of the function from end.  Pass
3386         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3387         If !frame_pointer_needed, call vt_stack_adjustment before mos
3388         vector is filled, call vt_init_cfa_base if argp/framep has been
3389         eliminated to sp.  If frame_pointer_needed and argp/framep has
3390         been eliminated to hard frame pointer, set
3391         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3392         encountering fp setter in the prologue.  For MO_ADJUST, call
3393         log_op_type before pusing the op into mos vector, not afterwards.
3394         Call adjust_insn before cselib_process_insn/add_with_sets,
3395         call cancel_changes (0) afterwards.
3396         (variable_tracking_main_1): Adjust for vt_initialize calling
3397         vt_stack_adjustments and returning whether it succeeded or not.
3398
3399 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3400
3401         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3402         debug statements.
3403
3404 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3405
3406         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3407         has been set.
3408         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3409         drap_reg has not been set.
3410
3411 2010-03-15  Michael Matz  <matz@suse.de>
3412
3413         PR middle-end/43300
3414         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3415         use it to expand block copies.
3416         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3417         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3418         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3419
3420 2010-03-15  Richard Guenther  <rguenther@suse.de>
3421
3422         PR tree-optimization/43367
3423         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3424         elimination check.
3425
3426 2010-03-15  Richard Guenther  <rguenther@suse.de>
3427
3428         PR tree-optimization/43317
3429         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3430
3431 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3432
3433         PR tree-optimization/43141
3434         * tree-sra.c (create_abstract_origin): New function.
3435         (modify_function): Call create_abstract_origin.
3436
3437 2010-03-15  Chris Demetriou  <cgd@google.com>
3438
3439         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3440         wasn't copied.
3441
3442 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3443
3444         PR middle-end/43354