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2010-04-23 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-23  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/43572
4         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
5
6 2010-04-23  Richard Guenther  <rguenther@suse.de>
7
8         PR lto/43455
9         * tree-inline.c (tree_can_inline_p): Also check compatibility
10         of return types.
11
12 2010-04-23  Martin Jambor  <mjambor@suse.cz>
13
14         PR tree-optimization/43846
15         * tree-sra.c (struct access): New flag grp_assignment_read.
16         (build_accesses_from_assign): Set grp_assignment_read.
17         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
18         (enum mark_read_status): New type.
19         (analyze_access_subtree): Propagate grp_assignment_read, create
20         accesses also if both direct_read and root->grp_assignment_read.
21
22 2010-04-23  Martin Jambor  <mjambor@suse.cz>
23
24         PR middle-end/43835
25         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
26         function does not have type attributes.
27
28 2010-04-23  Richard Guenther  <rguenther@suse.de>
29
30         PR lto/42653
31         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
32         of FUNCTION_DECLs.
33
34 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
35
36         * sese.h (create_if_region_on_edge): Remove.
37
38         * sese.c (create_if_region_on_edge): Make static.
39
40         * tree-inline.c: Do not include ggc.h.
41
42         * expr.c: Do not include ggc.h.
43
44         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
45         dependencies.
46
47 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
48
49         PR target/43744
50         * config/sh/sh.c (find_barrier): Don't emit a constant pool
51         in the middle of insns for casesi_worker_2.
52
53 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
54
55         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
56
57 2010-04-22  Ira Rosen  <irar@il.ibm.com>
58
59         PR tree-optimization/43842
60         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
61         loop unrolling in update of exit phis. Fix comment.
62         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
63         least two reduction statements in the loop before starting SLP
64         analysis.
65
66 2010-04-22  Nick Clifton  <nickc@redhat.com>
67
68         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
69
70 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
71
72         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
73         to simplify a + ~a.
74
75 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
76
77         * tree-parloops.c (loop_parallel_p): New argument
78         parloop_obstack.  Pass it down.
79         (parallelize_loops): New variable parloop_obstack.  Initialize it,
80         pass it down, free it.
81
82         * tree-loop-linear.c (linear_transform_loops): Pass down
83         lambda_obstack.
84
85         * tree-data-ref.h (lambda_compute_access_matrices): New argument
86         of type struct obstack *.
87
88         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
89         scratch_obstack.  Initialize it, pass down, free it.
90
91         * lambda.h (lambda_loop_new): Remove.
92         (lambda_matrix_new, lambda_matrix_inverse)
93         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
94         argument of type struct obstack *.
95
96         * lambda-trans.c (lambda_trans_matrix_new): New argument
97         lambda_obstack.  Pass it down, use obstack allocation for ret.
98         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
99         it down.
100
101         * lambda-mat.c (lambda_matrix_get_column)
102         (lambda_matrix_project_to_null): Remove.
103         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
104         allocation for mat.
105         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
106         lambda_obstack.
107
108         * lambda-code.c (lambda_loop_new): New function.
109         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
110         (lambda_compute_auxillary_space, lambda_compute_target_space)
111         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
112         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
113         (build_access_matrix): New argument lambda_obstack.  Use obstack
114         allocation for am.
115         (lambda_compute_step_signs, lambda_compute_access_matrices): New
116         argument lambda_obstack.  Pass it down.
117
118 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
119
120         * optabs.h (expand_widening_mult): Declare.
121
122 2010-04-22  Richard Guenther  <rguenther@suse.de>
123
124         PR tree-optimization/43845
125         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
126         lookup the CALL_EXPR function and arguments.
127
128 2010-04-22  Nick Clifton  <nickc@redhat.com>
129
130         * config/stormy16/stormy16.c
131         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
132         * config/stormy16/stormy16.h: Tidy up formatting.
133         (DONT_USE_BUILTIN_SETJMP): Remove definition.
134         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
135         (ineqbranchsi): Delete pattern.
136         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
137         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
138         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
139         stormy16-lib2-ucmpsi2.c.
140
141 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
142
143         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
144         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
145         extra set merge_set_noclobber, and use it to relax the final test
146         slightly.
147         * df.h (df_simulate_find_noclobber_defs): Declare.
148         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
149         conditional defs.
150         (df_simulate_find_noclobber_defs): New function.
151
152 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
153
154         * config/i386/i386.md: Use {} around multi-line preparation statements.
155
156 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
157
158         * c-tree.h (push_init_level, pop_init_level, set_init_index)
159         (process_init_element): New argument of type struct obstack *.
160
161         * c-typeck.c (push_init_level, pop_init_level, set_designator)
162         (set_init_index, set_init_label, set_nonincremental_init)
163         (set_nonincremental_init_from_string, find_init_member)
164         (output_init_element, output_pending_init_elements)
165         (process_init_element): New argument braced_init_obstack.  Pass it
166         down.
167         (push_range_stack, add_pending_init): New argument
168         braced_init_obstack.  Use obstack allocation.
169
170         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
171         braced_init_obstack.  Pass it down.
172         (c_parser_braced_init): New variables ret, braced_init_obstack.
173         Initialize obstack, pass it down and finally free it.
174
175 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
176
177         PR middle-end/29274
178         * tree-pass.h (pass_optimize_widening_mul): Declare.
179         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
180         gate_optimize_widening_mul): New static functions.
181         (pass_optimize_widening_mul): New.
182         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New
183         case.
184         <case MULT_EXPR>: Remove support for widening multiplies.
185         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
186         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
187         simplify_gen_unary rather than directly building extensions.
188         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
189         WIDEN_MULT_EXPR.
190         * expmed.c (expand_widening_mult): New function.
191         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
192
193 2010-04-21  Jan Hubicka  <jh@suse.cz>
194
195         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
196         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
197         * lto-wpa-fixup.c: Remove.
198         * Makefile.in (lto-wpa-fixup.o): Remove.
199         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
200         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
201         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
202
203 2010-04-21  Jan Hubicka  <jh@suse.cz>
204
205         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
206         add write_optimization_summary, read_optimization_summary.
207         (ipa_write_summaries_of_cgraph_node_set): Remove.
208         (ipa_write_optimization_summaries): Declare.
209         (ipa_read_optimization_summaries): Declare.
210         * ipa-cp.c (pass_ipa_cp): Update.
211         * ipa-reference.c (pass_ipa_reference): Update.
212         * ipa-pure-const.c (pass_ipa_pure_const): Update.
213         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
214         Update.
215         * ipa-inline.c (pass_ipa_inline): Update.
216         * ipa.c (pass_ipa_whole_program): Update.
217         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
218         * passes.c (ipa_write_summaries_1): Do not test wpa.
219         (ipa_write_optimization_summaries_1): New.
220         (ipa_write_optimization_summaries): New.
221         (ipa_read_summaries): Do not test ltrans.
222         (ipa_read_optimization_summaries_1): New.
223         (ipa_read_optimization_summaries): New.
224
225 2010-04-21  Jan Hubicka  <jh@suse.cz>
226
227         * lto-cgraph.c (lto_output_node): Do not output comdat groups
228         for boundary nodes.
229         (output_cgraph): Do not arrange comdat groups for boundary nodes.
230
231 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
232
233         PR debug/40040
234         * dwarf2out.c (add_name_and_src_coords_attributes): Add
235         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
236
237 2010-04-21  Jan Hubicka  <jh@suse.cz>
238
239         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
240
241 2010-04-21  Jan Hubicka  <jh@suse.cz>
242
243         * varpool.c (decide_is_variable_needed): Variable is always needed
244         during ltrans.
245
246 2010-04-21  Jan Hubicka  <jh@suse.cz>
247
248         * opts.c (decode_options): Enable pure-const pass for whopr.
249
250 2010-04-21  Jan Hubicka  <jh@suse.cz>
251
252         * cgraph.c (dump_cgraph_node): Dump also assembler name.
253         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
254         at WPA dumping.
255         (cgraph_decide_inlining): Do not expect callee to be removed in all
256         cases.
257
258 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
259
260         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
261
262 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
263
264         * config/i386/i386.md (x86_shrd): Add athlon_decode and
265         amdfam10_decode attributes.
266
267 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
268
269         PR middle-end/43570
270         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
271         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
272         (lower_copyprivate_clauses): Use private var in outer
273         context instead of original var.  Make sure the types
274         are correct for VLAs.
275
276 2010-04-21  Richard Guenther  <rguenther@suse.de>
277
278         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
279         to non-pointer objects.
280
281 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
282
283         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
284         last chain entry if it starts with the still current label.
285         (add_location_or_const_value_attribute): Check that
286         loc_list->first->next is NULL instead of comparing ->first with ->last.
287         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
288         to add_var_loc_to_decl.
289
290         * dwarf2out.c (output_call_frame_info): For dw_cie_version
291         >= 4 add also address size and segment size fields into CIE header.
292
293         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
294         long as address size is the same as sizeof (void *) and
295         segment size is 0.
296         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
297         address size or segment size is unexpected, return DW_EH_PE_omit.
298         (classify_object_over_fdes): If get_cie_encoding returned
299         DW_EH_PE_omit, return -1.
300         (init_object): If classify_object_over_fdes returned -1,
301         pretend there were no FDEs at all.
302
303 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
304
305         * config/i386/i386.md (bswap<mode>2): Macroize expander from
306         bswap{si,di}2 using SWI48 mode iterator.
307         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
308         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
309         set modrm attribute of bswap insn to 0 and remove length attribute.
310         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
311         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
312         set mode attribute to <MODE> and remove length attribute.
313
314 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
315
316         PR rtl-optimization/43520
317         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
318         zero available registers.
319
320 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
321
322         * builtins.c (fold_builtin_cproj): Fold more cases.
323
324 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
325
326         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
327         (fold_builtin_1): Fold builtin cproj.
328         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
329         Use ATTR_CONST_NOTHROW_LIST.
330
331 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
332
333         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
334         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
335         ffsi2_no_cmove for !TARGET_CMOVE.
336         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
337         (ffssi2): Remove expander.
338         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
339         mode iterator.
340         (ctz<mode>2): Ditto from ctz{si,di}2.
341         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
342         mode iterator.
343         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
344         mode iterator.
345
346 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
347
348         * dwarf2out.c (AT_linkage_name): Define.
349         (clone_as_declaration): Handle DW_AT_linkage_name.
350         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
351         of DW_AT_MIPS_linkage_name.
352         (move_linkage_attr): Likewise.
353         (dwarf2out_finish): Likewise.
354
355 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
356
357         PR middle-end/41952
358         * fold-const.c (fold_comparison): New folding rule.
359
360 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
361
362         * double-int.h (double_int_setbit): Declare.
363         * double-int.c (double_int_setbit): New function.
364         * rtl.h (immed_double_int_const): Declare.
365         * emit-rtl.c (immed_double_int_const): New function.
366         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
367         and immed_double_int_const functions.
368         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
369         expand_copysign_bit):  (Ditto.).
370         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
371         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
372         * dojump.c (prefer_and_bit_test): (Ditto.).
373         * expr.c (convert_modes, reduce_to_bit_field_precision,
374         const_vector_from_tree): (Ditto.).
375         * expmed.c (mask_rtx, lshift_value): (Ditto.).
376
377 2010-04-20  Jan Hubicka  <jh@suse.cz>
378
379         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
380         (dump_cgraph_node): Dump new flags.
381         * cgraph.h (struct cgraph_node): Add flags
382         reachable_from_other_partition and in_other_partition.
383         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
384         other partition can not be removed.
385         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
386         the other partition must be output; silence sanity checking on
387         leaking functions bodies from other paritition.
388         * lto-cgraph.c (reachable_from_other_partition_p): New function.
389         (lto_output_node): Output new flags; do not sanity check that inline
390         clones are output; drop lto_forced_extern_inline_p code; do not mock
391         visibility flags at partition boundaries.
392         (add_node_to): New function.
393         (output_cgraph): Use it to sort functions so masters appear before
394         clones.
395         (input_overwrite_node): Input new flags.
396         * passes.c (ipa_write_summaries): Do not call
397         lto_new_extern_inline_states.
398         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
399         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
400         lto_forced_extern_inline_p): Kill.
401         * lto-streamer.h (lto_new_extern_inline_states,
402         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
403         lto_forced_extern_inline_p): Kill.
404
405 2010-04-20  Richard Guenther  <rguenther@suse.de>
406
407         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
408         from vars that can have pointers.
409         (process_constraint): Dump useless constraints.
410
411 2010-04-20  Richard Guenther  <rguenther@suse.de>
412
413         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
414         (dump_sa_points_to_info): Remove asserts.
415         (init_base_vars): nothing_id isn't an escape point nor does it
416         have pointers.
417
418 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
419
420         * tree.h (TYPE_REF_IS_RVALUE): Define.
421         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
422         should_move_die_to_comdat, prune_unused_types_walk): Handle
423         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
424         (modified_type_die, gen_reference_type_die): Emit
425         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
426         if TYPE_REF_IS_RVALUE and -gdwarf-4.
427
428 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
429
430         PR target/43635
431         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
432         calls for -fpic -m31 if they have been sibcall optimized.
433
434 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
435
436         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
437         ar.lc fixed and call-used.
438
439         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
440
441 2010-04-19  Jan Hubicka  <jh@suse.cz>
442
443         * opts.c (decode_options): Disable whpr incompatible passes.
444         * lto/lto.c (lto_1_to_1_map): Skip clones.
445         (read_cgraph_and_symbols): Do not mark everything as needed.
446         (do_whole_program_analysis): Do map only after optimizing;
447         set proper cgraph_state; use passmanager.
448
449 2010-04-19  DJ Delorie  <dj@redhat.com>
450
451         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
452         POINTER_PLUS_EXPR and fix them.
453
454 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
455
456         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
457         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
458         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
459         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
460         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
461         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
462         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
463         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
464         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
465         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
466         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
467
468 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
469
470         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
471         (check_cond_move_block): Likewise.
472         (cond_move_process_if_block): Likewise.
473         (noce_find_if_block): Improve formatting.
474         (find_if_header): Pass 0 to memset and tweak conditions.
475         (cond_exec_find_if_block): Fix long lines and tweak conditions.
476
477 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
478
479         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
480         for -gdwarf-4.
481
482         PR middle-end/43337
483         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
484         with non-local decl doesn't need chain.
485
486 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
487
488         * ira-color.c (allocno_reload_assign): Avoid accumulating
489         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
490
491 2010-04-19  Martin Jambor  <mjambor@suse.cz>
492
493         * gimple.h (create_tmp_reg): Declare.
494         * gimplify.c (create_tmp_reg): New function.
495         (gimplify_return_expr): Use create_tmp_reg.
496         (gimplify_omp_atomic): Likewise.
497         (gimple_regimplify_operands): Likewise.
498         * tree-dfa.c (make_rename_temp): Likewise.
499         * tree-predcom.c (predcom_tmp_var): Likewise.
500         (reassociate_to_the_same_stmt): Likewise.
501         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
502         (get_replaced_param_substitute): Likewise.
503         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
504         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
505         * tree-ssa-pre.c (get_representative_for): Likewise.
506         (create_expression_by_pieces): Likewise.
507         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
508         (create_tailcall_accumulator): Likewise.
509
510 2010-04-19  Martin Jambor  <mjambor@suse.cz>
511
512         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
513         new_stmt.
514         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
515
516 2010-04-19  Richard Guenther  <rguenther@suse.de>
517
518         PR tree-optimization/43796
519         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
520         from SCEV in the lattice.
521         (vrp_visit_phi_node): Dump change.
522
523 2010-04-19  Richard Guenther  <rguenther@suse.de>
524
525         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
526         * configure: Re-generated.
527
528 2010-04-19  Richard Guenther  <rguenther@suse.de>
529
530         PR tree-optimization/43783
531         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
532         constant ARRAY_REF operands two and three if possible.
533
534 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
535
536         PR target/43766
537         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
538
539 2010-04-19  Jie Zhang  <jie@codesourcery.com>
540
541         PR target/43662
542         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
543
544 2010-04-19  Ira Rosen  <irar@il.ibm.com>
545
546         PR tree-optimization/37027
547         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
548         and macro to access it.
549         (vectorizable_reduction): Add argument.
550         (vect_get_slp_defs): Likewise.
551         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
552         statements for possible use in SLP.
553         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
554         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
555         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
556         add new argument.
557         (vectorizable_reduction): Likewise.
558         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
559         vect_get_slp_defs.
560         (vectorizable_type_demotion, vectorizable_type_promotion,
561         vectorizable_store): Likewise.
562         (vect_analyze_stmt): Update call to vectorizable_reduction.
563         (vect_transform_stmt): Likewise.
564         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
565         (vect_build_slp_tree): Fix indentation. Check that there are no loads
566         from different interleaving chains in same node.
567         (vect_slp_rearrange_stmts): New function.
568         (vect_supported_load_permutation_p): Allow load permutations for
569         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
570         inside SLP nodes if necessary.
571         (vect_analyze_slp_instance): Handle reductions.
572         (vect_analyze_slp): Try to build SLP instances originating from groups
573         of reductions.
574         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
575         (vect_get_constant_vectors): Create initial vectors for reductions
576         according to reduction code. Add new argument.
577         (vect_get_slp_defs): Add new argument, pass it to
578         vect_get_constant_vectors.
579         (vect_schedule_slp_instance): Remove SLP tree root statements.
580
581 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
582
583         * tree.h (ENUM_IS_SCOPED): Define.
584         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
585         for ENUM_IS_SCOPED enums.
586
587 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
588
589         * fold-const.c (fold_comparison): Use ssizetype.
590         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
591         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
592         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
593         * tree-object-size.c (compute_object_sizes): Use size_type_node.
594
595         * tree.h (initialize_sizetypes): Remove parameter.
596         (build_common_tree_nodes): Remove second parameter.
597         * stor-layout.c (initialize_sizetypes): Remove parameter.
598         Always create an unsigned type.
599         (set_sizetype): Assert that the passed type is unsigned and simplify.
600         * tree.c (build_common_tree_nodes): Remove second parameter.
601         Adjust call to initialize_sizetypes.
602         * c-decl.c (c_init_decl_processing): Remove second argument in call to
603         build_common_tree_nodes.
604
605 2010-04-18  Matthias Klose  <doko@ubuntu.com>
606
607         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
608
609 2010-04-18  Ira Rosen  <irar@il.ibm.com>
610
611         PR tree-optimization/43771
612         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
613         load permutation doesn't have gaps.
614
615 2010-04-18  Jan Hubicka  <jh@suse.cz>
616
617         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
618         (sse_prologue_save_insn expander): Use new pattern.
619         (sse_prologue_save_insn1): New pattern and splitter.
620         (sse_prologue_save_insn): Update to deal also with 64bit aligned
621         blocks.
622         * i386.c (setup_incoming_varargs_64): Do not compute jump
623         destination here.
624         (ix86_gimplify_va_arg): Update alignment needed.
625         (ix86_local_alignment): Do not align all local arrays to 128bit.
626
627 2010-04-17  Jan Hubicka  <jh@suse.cz>
628
629         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
630
631 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
632
633         * arm.md (negdi2): Remove redundant code to force values into a
634         register.
635
636 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
637
638         * arm/bpabi.S: Add EABI alignment attributes to objects.
639         * arm/bpabi-v6m.S: Likewise.
640         * arm/crti.asm: Likewise.
641         * arm/crtn.asm: Likewise.
642         * arm/lib1funcs.asm: Likewise.
643         * arm/libunwind.S: Likewise.
644
645 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
646
647         * arm-protos.h (tune_params): New structure.
648         * arm.c (current_tune): New variable.
649         (arm_constant_limit): Delete.
650         (struct processors): Add pointer to the tune parameters.
651         (arm_slowmul_tune): New tuning option.
652         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
653         (all_cores): Adjust to pick up the tuning model.
654         (arm_constant_limit): New function.
655         (arm_override_options): Select the appropriate tuning model.  Delete
656         initialization of arm_const_limit.
657         (arm_split_constant): Use the new constant-limit model.
658         (arm_rtx_costs): Pick up the current tuning model.
659         * arm.md (is_strongarm, is_xscale): Delete.
660         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
661         for Xscale variant architectures.
662         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
663
664 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
665
666         * config/arm/arm.c (arm_gen_constant): Remove unused variable
667         can_shift.
668         (arm_rtx_costs_1): Remove unused variable extra_cost.
669         (arm_unwind_emit_set): Use variable offset.
670         (thumb1_output_casesi): Remove unused variable flags.
671
672 2010-04-16  Jeff Law  <law@redhat.com>
673
674         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
675         needing assignment rather than doing a two-phase assignment.  Remove
676         unused variable 'm'.
677
678 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
679
680         PR bootstrap/43767
681         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
682
683 2010-04-16  Doug Kwan  <dougkwan@google.com>
684
685         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
686         (next_operand_entry_id): New static variable.
687         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
688         (add_to_ops_vec): Assigned unique ID to operand entry.
689         (struct oecount_s): New field ID.
690         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
691         (undistribute_ops_list): Assign unique IDs to oecounts.
692         (init_reassoc): reset next_operand_entry_id.
693
694 2010-04-16  Doug Kwan  <dougkwan@google.com>
695
696         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
697         missing left parenthesis.
698
699 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
700
701         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
702         *btdi_rex64 using SWI48 mode iterator.
703         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
704         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
705         *jcc_btdi_mask_rex64.
706
707 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
708
709         * double-int.h (tree_to_double_int): Convert to macro.
710         * double-int.c (tree_to_double_int): Remove.
711
712 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
713
714         PR debug/43762
715         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
716         with want_address 2 and in case a single element list might be
717         possible, call it again with want_address 0.
718
719 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
720
721         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
722         case 'W' print operands for HI mode.
723         * config/h8300/h8300.h (Y0, Y2) : New constraints.
724         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
725         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
726         * config/h8300/predicate.md (bit_register_indirect_operand): New.
727
728         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
729
730         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
731         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
732         #xx:3 and #xx:4 mode.
733
734         * config/h8300/h8300.md (inverted load with HImode dest): Add
735         support for H8300SX.
736
737         * config/h8300/predicate.md (bit_operand): Allow immediate values that
738         satisfy 'U' constraint.
739
740 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
741
742         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
743         * configure: Regenerate.
744         * config.in: Regenerate.
745         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
746         works.
747
748 2010-04-16  Richard Guenther  <rguenther@suse.de>
749
750         * tree.h (struct tree_decl_minimal): Move pt_uid ...
751         (struct tree_decl_common): ... here.
752         (DECL_PT_UID): Adjust.
753         (SET_DECL_PT_UID): Likewise.
754         (DECL_PT_UID_SET_P): Likewise.
755
756 2010-04-16  Richard Guenther  <rguenther@suse.de>
757
758         PR tree-optimization/43572
759         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
760         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
761         * tree-flow.h (is_call_clobbered): Remove.
762         * tree-flow-inline.h (is_call_clobbered): Likewise.
763         * tree-dfa.c (dump_variable): Do not dump call clobber state.
764         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
765         (execute_return_slot_opt): Adjust.
766         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
767         check for call clobbered vars here.
768         (find_tail_calls): Move tailcall verification to the
769         proper place.
770
771 2010-04-16  Diego Novillo  <dnovillo@google.com>
772
773         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
774
775 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
776
777         PR target/40603
778         * config/arm/arm.md (cbranchqi4): New pattern.
779         * config/arm/predicates.md (const0_operand,
780         cbranchqi4_comparison_operator): New predicates.
781
782 2010-04-16  Richard Guenther  <rguenther@suse.de>
783
784         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
785         (dump_gimple_stmt): Likewise.
786
787 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
788
789         * recog.h (struct recog_data): New field is_operator.
790         (struct insn_operand_data): New field is_operator.
791         * recog.c (extract_insn): Set recog_data.is_operator.
792         * genoutput.c (output_operand_data): Emit code to set the
793         is_operator field.
794         * reload.c (find_reloads): Use it rather than testing for an
795         empty constraint string.
796
797         PR target/41514
798         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
799         If the previous insn is a cbranchsi4_insn with the same arguments,
800         omit the compare instruction.
801
802         * config/arm/arm.md (addsi3_cbranch): If destination is a high
803         register, inputs must be low registers and we need a low register
804         scratch.  Handle alternative 2 like alternative 3.
805
806 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
807
808         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
809         don't call get_addr on both.  If one expression is a VALUE and
810         the other a REG, check VALUE's locs if the REG isn't among them.
811
812 2010-04-16  Christian Bruel  <christian.bruel@st.com>
813
814         * config/sh/sh.h (sh_frame_pointer_required): New function.
815         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
816         (flag_omit_frame_pointer) Set.
817         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
818         (rounded_frame_size): Adjust size with outgoing_args_size.
819         (sh_set_return_address): Must return from stack pointer.
820         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
821         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
822         (ACCUMULATE_OUTGOING_ARGS): Define.
823         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
824         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
825
826 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
827
828         PR target/43471
829         * config/sh/sh.c (sh_legitimize_reload_address): Use
830         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
831         Remove a unneeded check for offset_base.
832
833 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
834
835         * configure: Regenerated.
836
837 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
838
839         * config/s390/s390.c (s390_call_save_register_used): Switch back
840         to HARD_REGNO_NREGS.
841
842 2010-04-15  Richard Guenther  <rguenther@suse.de>
843
844         * alias.c (alias_set_subset_of): Handle alias-set zero
845         child properly.
846
847 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
848             Julian Brown  <julian@codesourcery.com>
849
850         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
851         alternatives according to use of high and low regs.
852         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
853         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
854         optimizing for size on Thumb-2.
855
856 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
857
858         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
859
860 2010-04-15  Richard Guenther  <rguenther@suse.de>
861
862         * tree-ssa-structalias.c (struct variable_info): Add
863         is_fn_info flag.
864         (new_var_info): Initialize it.
865         (dump_constraints): Support printing last added constraints.
866         (debug_constraints): Adjust.
867         (dump_constraint_graph): Likewise.
868         (make_heapvar_for): Check for NULL cfun.
869         (get_function_part_constraint): New function.
870         (get_fi_for_callee): Likewise.
871         (find_func_aliases): Properly implement IPA PTA constraints.
872         (process_ipa_clobber): New function.
873         (find_func_clobbers): Likewise.
874         (insert_into_field_list_sorted): Remove.
875         (create_function_info_for): Properly allocate vars for IPA mode.
876         Do not use insert_into_field_list_sorted.
877         (create_variable_info_for): Properly generate constraints for
878         global vars in IPA mode.
879         (dump_solution_for_var): Always dump the solution.
880         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
881         (find_what_var_points_to): Adjust.
882         (pt_solution_set): Change.
883         (pt_solution_ior_into): New function.
884         (pt_solution_empty_p): Export.
885         (pt_solution_includes_global): Adjust.
886         (pt_solution_includes_1): Likewise.
887         (pt_solutions_intersect_1): Likewise.
888         (dump_sa_points_to_info): Check some invariants.
889         (solve_constraints): Move constraint dumping ...
890         (compute_points_to_sets): ... here.
891         (ipa_pta_execute): ... and here.
892         (compute_may_aliases): Do not re-compute points-to info
893         locally if IPA info is available.
894         (ipa_escaped_pt): New global var.
895         (ipa_pta_execute): Properly implement IPA PTA.
896         * tree-into-ssa.c (dump_decl_set): Support dumping
897         decls not in referenced-vars.
898         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
899         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
900         (dump_points_to_solution): Likewise.
901         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
902         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
903         (remap_gimple_stmt): Reset call clobber/use information if necessary.
904         (copy_decl_to_var): Copy DECL_PT_UID.
905         (copy_result_decl_to_var): Likewise.
906         * tree.c (make_node_stat): Initialize DECL_PT_UID.
907         (copy_node_stat): Copy it.
908         * tree.h (DECL_PT_UID): New macro.
909         (SET_DECL_PT_UID): Likewise.
910         (DECL_PT_UID_SET_P): Likewise.
911         (struct tree_decl_minimal): Add pt_uid member.
912         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
913         (pt_solution_empty_p): Declare.
914         (pt_solution_set): Adjust.
915         (ipa_escaped_pt): Declare.
916         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
917         * gimple-pretty-print.c (pp_points_to_solution): New function.
918         (dump_gimple_call): Dump call clobber/use information.
919         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
920         * tree-pass.h (TDF_ALIAS): New dump option.
921         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
922         * doc/invoke.texi (-fipa-pta): Update documentation.
923
924 2010-04-15  Richard Guenther  <rguenther@suse.de>
925
926         * Makefile.in (OBJS-common): Add gimple-fold.o.
927         (gimple-fold.o): New rule.
928         * tree.h (maybe_fold_offset_to_reference,
929         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
930         prototypes ...
931         * gimple.h: ... here.
932         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
933         may_propagate_address_into_dereference): Move prototypes ...
934         * gimple.h: ... here.
935         * tree-ssa-ccp.c (get_symbol_constant_value,
936         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
937         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
938         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
939         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
940         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
941         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
942         gimplify_and_update_call_from_tree): Move ...
943         * gimple-fold.c: ... here.  New file.
944         (ccp_fold_builtin): Rename to ...
945         (gimple_fold_builtin): ... this.
946         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
947
948 2010-04-15  Richard Guenther  <rguenther@suse.de>
949
950         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
951         fit_double_type, force_fit_type_double, add_double_with_sign,
952         neg_double, mul_double_with_sign, lshift_double, rshift_double,
953         lrotate_double, rrotate_double, div_and_round_double): Move ...
954         * double-int.c: ... here.
955         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
956         add_double, neg_double, mul_double_with_sign, mul_double,
957         lshift_double, rshift_double, lrotate_double, rrotate_double,
958         div_and_round_double): Move prototypes ...
959         * double-int.h: ... here.
960
961 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
962
963         PR target/43742
964         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
965         matching constraints to ensure inputs match the output.
966
967 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
968
969         PR target/43742
970         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
971         in an input-only operand.
972
973 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
974
975         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
976         (double_int_not, double_int_lshift, double_int_rshift): Declare.
977         (double_int_negative_p): Convert to static inline function.
978         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
979         (double_int_negative_p): Remove.
980         * tree.h (lshift_double, rshift_double):
981         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
982         * fold-const.c (fold_convert_const_int_from_real,
983         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
984         (lshift_double): Change type of arith argument to bool.
985         (rshift_double): Change type of arith argument to bool. Correct
986         comment.
987         * expmed.c (mask_rtx, lshift_value): (Ditto.).
988
989 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
990
991         PR target/21803
992         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
993         at the start and end of the then/else blocks, and omit them from the
994         conversion.
995         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
996         argument; all callers changed.  Pass zero to old_insns_match_p instead.
997         (flow_find_head_matching_sequence): New function.
998         (old_insns_match_p): Check REG_EH_REGION notes for calls.
999         * basic-block.h (flow_find_cross_jump,
1000         flow_find_head_matching_sequence): Declare functions.
1001
1002 2010-04-14  Jason Merrill  <jason@redhat.com>
1003
1004         PR c++/36625
1005         * c-common.c (attribute_takes_identifier_p): New fn.
1006         * c-common.h: Declare it.
1007
1008 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1009
1010         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1011         splitter condition.
1012         (*udivmod<mode>4): Ditto.
1013
1014 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1015
1016         * config/i386/i386.md (maxmin_int): Rename code attribute from
1017         maxminiprefix and update all users.
1018         (maxmin_float): Ditto from maxminfprefix.
1019         (logic): Ditto from logicprefix.
1020         (absneg_mnemonic): Ditto from absnegprefix.
1021         * config/i386/mmx.md: Update all users of maxminiprefix,
1022         maxminfprefix and logicprefix for rename.
1023         * config/i386/sse.md: Ditto.
1024         * config/i386/sync.md (sync_<code><mode>): Update for
1025         logicprefix rename.
1026
1027 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1028
1029         PR 42966
1030         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1031         warnings converted to errors.
1032
1033 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1034
1035         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1036         used insn_type variable.
1037         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1038         to avoid set-but-not-used warning.
1039
1040 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1041
1042         * df-core.c (df_ref_debug): Change format string placeholder
1043         from 0x%x to %#x.
1044         * dwarf2asm.c (dw2_asm_output_data_raw,
1045         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1046         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1047         * dwarf2out.c (output_cfi, output_cfi_directive,
1048         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1049         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1050         Ditto.
1051         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1052         * print-rtl.c (print_rtx): Ditto.
1053
1054 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1055
1056         PR middle-end/42694
1057         * builtins.c (expand_builtin_pow_root): New function to expand pow
1058         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1059         series of sqrt and cbrt calls under -ffast-math.
1060         (expand_builtin_pow): Call it.
1061
1062 2010-04-14  Michael Matz  <matz@suse.de>
1063
1064         PR tree-optimization/42963
1065         * tree-cfg.c (touched_switch_bbs): New static variable.
1066         (group_case_labels_stmt): New function broken out from ...
1067         (group_case_labels): ... here, use the above.
1068         (start_recording_case_labels): Allocate touched_switch_bbs.
1069         (end_recording_case_labels): Deallocate it, call
1070         group_case_labels_stmt.
1071         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1072
1073 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1074
1075         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1076         from insn template.
1077
1078 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1079
1080         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1081
1082 2010-04-13  Jan Hubicka  <jh@suse.cz>
1083
1084         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1085         of optimized out static functions.
1086         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1087         cost computation.  Also sanity check for overflows.
1088         (update_caller_keys): Update cgraph_edge_badness call; properly
1089         update fibheap and sanity check that it is up to date.
1090         (add_new_edges_to_heap): Update cgraph_edge_badness.
1091         (cgraph_decide_inlining_of_small_function): Likewise;
1092         add sanity checking that badness in heap is up to date;
1093         improve dumping of reason; Update badness of calls to the
1094         offline copy of function currently inlined; dump badness
1095         of functions not inlined because of unit growth limits.
1096
1097 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1098
1099         PR middle-end/32628
1100         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1101         because of sign-extension change when converting to sizetype here...
1102         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1103
1104         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1105         the folding to constants.  Remove redundant final conversion.
1106         (fold_binary) <associate>: Do not associate if the re-association of
1107         constants alone overflows.
1108         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1109         to the end of the list.
1110         (multiple_of_p) <COND_EXPR>: New case.
1111
1112 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1113
1114         * opt-functions.awk (opt_sanitized_name): New.
1115         (opt_enum): New.
1116         * optc-gen.awk: Use it
1117         * opth-gen.awk: Use it.
1118
1119 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1120
1121         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1122         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1123         children.  Call replace_uses_with_default_def_ssa_name to handle
1124         SSA_NAES on lhs.
1125
1126 2010-04-13  Michael Matz  <matz@suse.de>
1127
1128         PR middle-end/43730
1129         * builtins.c (expand_builtin_interclass_mathfn): Also create
1130         a register if the predicate doesn't match.
1131
1132 2010-04-13  Diego Novillo  <dnovillo@google.com>
1133
1134         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1135         * c-pch.c: Include timevar.h.
1136         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1137         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1138         * ggc-common.c: Include timevar.h.
1139         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1140         * timevar.def (TV_PCH_SAVE): Define.
1141         (TV_PCH_CPP_SAVE): Define.
1142         (TV_PCH_PTR_REALLOC): Define.
1143         (TV_PCH_PTR_SORT): Define.
1144         (TV_PCH_RESTORE): Define.
1145         (TV_PCH_CPP_RESTORE): Define.
1146
1147 2010-04-13  Michael Matz  <matz@suse.de>
1148
1149         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1150         into MINUS_EXPRs.
1151         (can_reassociate_p): New function.
1152         (break_up_subtract_bb, reassociate_bb): Use it.
1153
1154 2010-04-13  Richard Guenther  <rguenther@suse.de>
1155
1156         PR bootstrap/43737
1157         * builtins.c (c_readstr): Fix assert.
1158
1159 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1160
1161         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1162         when generating cltd insn.
1163
1164         (*ashl<mode>3_1): Remove special handling for register operand 2.
1165         (*ashlsi3_1_zext): Ditto.
1166         (*ashlhi3_1): Ditto.
1167         (*ashlhi3_1_lea): Ditto.
1168         (*ashlqi3_1): Ditto.
1169         (*ashlqi3_1_lea): Ditto.
1170         (*<shiftrt_insn><mode>3_1): Ditto.
1171         (*<shiftrt_insn>si3_1_zext): Ditto.
1172         (*<shiftrt_insn>qi3_1_slp): Ditto.
1173         (*<rotate_insn><mode>3_1): Ditto.
1174         (*<rotate_insn>si3_1_zext): Ditto.
1175         (*<rotate_insn>qi3_1_slp): Ditto.
1176
1177 2010-04-13  Richard Guenther  <rguenther@suse.de>
1178
1179         * tree-ssa-structalias.c (callused_id): Remove.
1180         (call_stmt_vars): New.
1181         (get_call_vi): Likewise.
1182         (lookup_call_use_vi): Likewise.
1183         (lookup_call_clobber_vi): Likewise.
1184         (get_call_use_vi): Likewise.
1185         (get_call_clobber_vi): Likewise.
1186         (make_transitive_closure_constraints): Likewise.
1187         (handle_const_call): Adjust to do per-call call-used handling.
1188         (handle_pure_call): Likewise.
1189         (find_what_var_points_to): Remove general callused handling.
1190         (init_base_vars): Likewise.
1191         (init_alias_vars): Initialize call_stmt_vars.
1192         (compute_points_to_sets): Process call-used and call-clobbered
1193         vars for call statements.
1194         (delete_points_to_sets): Free call_stmt_vars.
1195
1196 2010-04-13  Richard Guenther  <rguenther@suse.de>
1197
1198         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1199         Only add RW dependence for dependence distance zero.
1200         Adjust maximal vectorization factor according to dependences.
1201         Move alignment handling ...
1202         (vect_find_same_alignment_drs): ... here.  New function.
1203         (vect_analyze_data_ref_dependences): Adjust.
1204         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1205         (vect_analyze_data_refs): Adjust minimal vectorization factor
1206         according to data references.
1207         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1208         dependences before determining the vectorization factor.
1209         Analyze alignment after determining the vectorization factor.
1210         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1211         dependences before alignment.
1212         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1213         Adjust prototype.
1214         (vect_analyze_data_refs): Likewise.
1215         (MAX_VECTORIZATION_FACTOR): New define.
1216
1217 2010-04-13  Duncan Sands  <baldrick@free.fr>
1218
1219         * except.h (lang_eh_type_covers): Remove.
1220         * except.c (lang_eh_type_covers): Likewise.
1221
1222 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1223             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1224
1225         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1226         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1227         UNITS_PER_LONG where it is ABI relevant.
1228         (s390_return_addr_rtx): Likewise.
1229         (s390_back_chain_rtx): Likewise.
1230         (s390_frame_area): Likewise.
1231         (s390_frame_info): Likewise.
1232         (s390_initial_elimination_offset): Likewise.
1233         (save_gprs): Likewise.
1234         (s390_emit_prologue): Likewise.
1235         (s390_emit_epilogue): Likewise.
1236         (s390_function_arg_advance): Likewise.
1237         (s390_function_arg): Likewise.
1238         (s390_va_start): Likewise.
1239         (s390_gimplify_va_arg): Likewise.
1240         (s390_function_profiler): Likewise.
1241         (s390_optimize_prologue): Likewise.
1242         (s390_rtx_costs): Likewise.
1243         (s390_secondary_reload): Likewise.
1244         (s390_promote_function_mode): Likewise.
1245         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1246         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1247         registers available.
1248         (s390_unwind_word_mode): New function.
1249         (s390_function_value): Split 64 bit values into register pair if
1250         used as return value.
1251         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1252         function call parameters.  Handle parallels.
1253         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1254         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1255         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1256         (s390_expand_setmem): Remove unused variable src_addr.
1257         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1258         deal with 64 bit registers.
1259         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1260         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1261         (UNITS_PER_LONG): New macro.
1262         * libjava/include/s390-signal.h: Define extended ucontext
1263         structure containing the upper halfs of the 64 bit registers.
1264
1265 2010-04-13  Simon Baldwin  <simonb@google.com>
1266
1267         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1268
1269 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1270
1271         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1272         rvalue on the RHS if the LHS is of a non-renamable type.
1273         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1274
1275 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1276
1277         * gcc.c (cc1_options): Handle -iplugindir before processing
1278         the cc1 spec. Only add -iplugindir once.
1279         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1280         found.
1281         * common.opt (iplugindir): Remove `Separate' property, initialize.
1282         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1283         option.
1284         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1285         (distclean): Remove plugin dir.
1286         * doc/invoke.texi: Document -iplugindir.
1287
1288 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1289
1290         * doc/plugins.texi (Loading Plugins): Document short
1291         -fplugin=foo option.
1292         (Plugin API): Mention default_plugin_dir_name function.
1293
1294         * gcc.c (find_file_spec_function): Add new declaration.
1295         (static_spec_func): Use it for "find-file".
1296         (find_file_spec_function): Add new function.
1297         (cc1_options): Add -iplugindir option if -fplugin* options found.
1298
1299         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1300
1301         * plugin.c (add_new_plugin): Updated comment, and handle short
1302         plugin name.
1303         (default_plugin_dir_name): Added new function.
1304
1305         * common.opt (iplugindir): New option to set the plugin directory.
1306
1307 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1308
1309         * config/i386/i386.md (any_rotate): New code iterator.
1310         (rotate_insn): New code attribute.
1311         (rotate): Ditto.
1312         (SWIM124): New mode iterator.
1313         (<rotate_insn>ti3): New expander.
1314         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1315         any_rotate code iterator.
1316         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1317         using any_rotate code iterator and SWIM124 mode iterator.
1318         (ix86_rotlti3): New insn_and_split pattern.
1319         (ix86_rotrti3): Ditto.
1320         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1321         ix86_rotl{di,ti}3 patterns.
1322         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1323         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1324         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1325         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1326         code iterator and SWI mode iterator.
1327         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1328         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1329         code iterator.
1330         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1331         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1332         (bswap rotatert splitter): Add splitter.
1333         (bswap splitter): Macroize splitter using any_rotate code iterator.
1334         Add insn predicate to split only for TARGET_USE_XCHGB or when
1335         optimizing function for size.
1336
1337 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1338
1339         * config/pa/pa.c (emit_move_sequence): Remove use of
1340         deleted variable flag_argument_noalias.
1341
1342 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1343
1344         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1345         configurations.
1346         Add to unsupported targets list.
1347         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1348         sparc*-sun-solaris2.[567]* from target lists.
1349         * configure: Regenerate.
1350         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1351         removal.
1352         Remove Solaris 7 patch references.
1353         (Specific, sparc-sun-solaris2.7): Removed.
1354         (sparc-sun-solaris2*): Update Solaris 7 example.
1355         (sparc64-*-solaris2*): Likewise.
1356
1357 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1358
1359         * config.build (alpha*-dec-osf4*): Remove.
1360         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1361         of obsolete configurations.
1362         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1363         support.
1364         * config/alpha/t-osf4: Renamed to ...
1365         * config/alpha/t-osf5: ... this.
1366         * config/alpha/osf.h: Renamed to ...
1367         * config/alpha/osf5.h: ... this.
1368         Merged old osf5.h contents.
1369         Update comments.
1370         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1371         (EXTRA_SPECS): Removed.
1372         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1373         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1374         Document that.
1375
1376 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1377
1378         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1379
1380 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1381
1382         PR/43702
1383         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1384         __thiscall convention.
1385
1386 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1387
1388         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1389         orig_base.
1390         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1391
1392 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1393
1394         * function.c (assign_parms_initialize_all): Add unused attribute
1395         to fntype.
1396
1397 2010-04-12  Richard Guenther  <rguenther@suse.de>
1398
1399         * gsstruct.def (GSS_CALL): New.
1400         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1401         * gimple.h: Include tree-ssa-alias.h.
1402         (struct gimple_statement_call): New.
1403         (union gimple_statement_struct_d): Add gimple_call member.
1404         (gimple_call_reset_alias_info): Declare.
1405         (gimple_call_use_set): New function.
1406         (gimple_call_clobber_set): Likewise.
1407         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1408         * gimple.c (gimple_call_reset_alias_info): New function.
1409         (gimple_build_call_1): Call it.
1410         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1411         * tree-inline.c (remap_gimple_stmt): Likewise.
1412         (expand_call_inline): Remove callused handling.
1413         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1414         * tree-dfa.c (dump_variable): Likewise.
1415         * tree-parloops.c (parallelize_loops): Likewise.
1416         * tree-ssa.c (init_tree_ssa): Likewise.
1417         (delete_tree_ssa): Likewise.
1418         * tree-flow-inline.h (is_call_used): Remove.
1419         * tree-flow.h (struct gimple_df): Remove callused member.
1420         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1421         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1422         (ref_maybe_used_by_call_p_1): Simplify.
1423         (call_may_clobber_ref_p_1): Likewise.
1424         * tree-ssa-structalias.c (compute_points_to_sets): Set
1425         the call stmt used and clobbered sets.
1426         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1427         (find_tail_calls): Verify the tail call.
1428
1429 2010-04-12  Richard Guenther  <rguenther@suse.de>
1430
1431         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1432         single-iteration always-inline inlining.
1433         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1434         (cgraph_decide_inlining): Do not handle always-inline specially.
1435         (try_inline): Remove always-inline cycle detection special case.
1436         Do not recurse on always-inlines.
1437         (cgraph_early_inlining): Do not iterate if not optimizing.
1438         (cgraph_gate_early_inlining): remove.
1439         (pass_early_inline): Run unconditionally.
1440         (gate_cgraph_decide_inlining): New function.
1441         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1442         not inlining or optimizing.
1443         (cgraph_decide_inlining_of_small_functions): Also consider
1444         always-inline functions.
1445         (cgraph_default_inline_p): Return true for nodes which should
1446         disregard inline limits.
1447         (estimate_function_body_sizes): Assume zero size and time for
1448         nodes which are marked as disregarding inline limits.
1449         (cgraph_decide_recursive_inlining): Do not perform recursive
1450         inlining on always-inline nodes.
1451
1452 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1453
1454         PR bootstrap/43699
1455         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1456         for exprs satisfying handled_component_p.
1457
1458 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1459
1460         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1461         non-constant aggregate elements.
1462
1463         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1464         is a real initialization.
1465
1466 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1467
1468         PR c/36774
1469         * c-decl.c (start_function): Move forward check for nested function.
1470
1471 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1472
1473         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1474         * config/sh/sh.c: Include reload.h.
1475         (sh_legitimize_reload_address): New.
1476         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1477         sh_legitimize_reload_address.
1478
1479 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1480
1481         * config/sh/sh.md (*movqi_pop): New insn pattern.
1482         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1483
1484 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1485
1486         * config/i386/i386.md (any_shiftrt): New code iterator.
1487         (shiftrt_insn): New code attribute.
1488         (shiftrt): Ditto.
1489         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1490         using any_shiftrt code iterator.
1491         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1492         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1493         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1494         pattern from corresponding peephole2 patterns.
1495         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1496         using any_shiftrt code iterator.
1497         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1498         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1499         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1500         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1501         *{ashr,lshr}<mode>3_cmp_zext.
1502         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1503
1504 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1505
1506         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1507         scratch register.
1508         (*lshr<mode>3_cconly): Ditto.
1509
1510 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1511
1512         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1513         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1514         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1515         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1516         DWI mode iterator.
1517         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1518         from corresponding peephole2 patterns.
1519         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1520         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1521         and *lshrdi3_1_rex64 using SWI mode iterator.
1522         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1523         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1524         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1525         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1526         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1527         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1528         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1529         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1530         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1531         SWI mode iterator.
1532
1533 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1534
1535         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1536         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1537         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1538         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1539         DWI mode iterator.
1540         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1541         from corresponding peephole2 patterns.
1542         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1543         (ashrsi3_cvt): Rename from ashrsi3_31.
1544         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1545         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1546         and x86_64_shift_adj_3 using SWI48 mode iterator.
1547         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1548         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1549         and *ashrdi3_1_rex64 using SWI mode iterator.
1550         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1551         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1552         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1553         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1554         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1555         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1556         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1557         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1558         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1559         SWI mode iterator.
1560         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1561         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1562         x86_shift<mode>_adj_3 expanders.
1563
1564 2010-04-10  Wei Guozhi  <carrot@google.com>
1565
1566         PR target/42601
1567         * config/arm/arm.c (arm_pic_static_addr): New function.
1568         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1569         a static symbol.
1570         (arm_output_addr_const_extra): Output expression for new pattern.
1571         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1572
1573 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1574
1575         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1576         not enabled.
1577
1578         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1579         * web.c: Include "insn-config.h" and "recog.h".
1580         (union_match_dups): New function.
1581         (web_main): Call it.
1582         (union_defs): Don't try to recognize match_dups.
1583
1584         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1585         if doing so would replace the entire pattern.
1586
1587 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1588
1589         PR target/43707
1590         PR target/43709
1591         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1592         and splitter pattern.  Change splitter operand 1 predicate to
1593         nonmemory_operand.
1594
1595 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1596
1597         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1598         lattices are addresses of CONST_DECLs with the same initial value.
1599         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1600         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1601
1602 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1603             Bernd Schmidt  <bernds@codesourcery.com>
1604
1605         * loop-invariant.c (replace_uses): New static function.
1606         (move_invariant_reg): Use it to ensure we can replace the uses.
1607
1608 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1609
1610         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1611         function template.
1612         (picochip_override_options): Enable section anchors only above -O1.
1613         (picochip_reorg): Fixed a couple of build warnings.
1614
1615 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1616
1617         * configure.ac (plugin -rdynamic test): Log result.
1618         * configure: Regenerate.
1619         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1620         (RDYNAMIC_SPEC): Define.
1621         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1622
1623 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1624
1625         * configure.ac: Determine Sun ld version numbers.
1626         (comdat_group): Restrict GNU ld version checks to gld.
1627         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1628         (enable_comdat): Support --enable-comdat.
1629         * configure: Regenerate.
1630         * doc/install.texi (Configuration): Document --enable-comdat.
1631
1632 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1633
1634         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1635         * config/sol2-gld.h: ... here.
1636         * config.gcc (sparc*-*-solaris2*): Reflect this.
1637         (i[34567]86-*-solaris2*): Use it.
1638
1639 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1640
1641         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1642         setup_clocks_p.
1643         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1644
1645 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1646
1647         PR 42965
1648         * diagnostic.c (diagnostic_initialize): Initialize
1649         some_warnings_are_errors.
1650         (diagnostic_finish): New.
1651         (diagnostic_action_after_output): Call it before exiting.
1652         (diagnostic_report_diagnostic): Do not print message here. Set
1653         some_warnings_are_errors.
1654         * diagnostic.h (diagnostic_context): Delete
1655         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1656         (diagnostic_finish): Declare.
1657         * toplev.c (toplev_main): Call it before exit.
1658
1659 2010-04-09  Jason Merrill  <jason@redhat.com>
1660
1661         PR c++/42623
1662         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1663         for incomplete type.
1664
1665         PR c++/41788
1666         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1667         based on a warning flag.
1668
1669 2010-04-09  Richard Guenther  <rguenther@suse.de>
1670
1671         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1672
1673 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1674
1675         PR bootstrap/43684
1676         * varasm.c (default_assemble_visibility): Wrap vars that are
1677         set, but unused, by targets without GAS.
1678         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1679         Remove set, but unused, vars.
1680         (rs6000_legitimize_tls_address): Likewise.
1681         (altivec_expand_dst_builtin): Likewise.
1682         * config/darwin.c (machopic_classify_symbol): Likewise.
1683         (machopic_indirection_name): Likewise.
1684
1685 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1686
1687         * config/i386/i386.md (DWI): New mode iterator.
1688         (S): New mode attribute.
1689         (shift_operand): Ditto.
1690         (shift_immediate_operand): Ditto.
1691         (ashl_input_operand): Ditto.
1692         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1693         using SDWIM mode iterator.
1694         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1695         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1696         DWI mode iterator.
1697         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1698         from corresponding peephole2 patterns.
1699         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1700         and x86_64_shift_adj_1 using SWI48 mode iterator.
1701         (x86_shift<mode>_adj_2): Ditto.
1702         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1703         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1704         using SWI48 mode iterator.
1705         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1706         *ashldi3_cmp_rex64 using SWI mode iterator.
1707         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1708         *ashldi3_cconly_rex64 using SWI mode iterator.
1709         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1710         x86_shift<mode>_adj_{1,2}.
1711         (ix86_split_ashr): Ditto.
1712         (ix86_split_lshr): Ditto.
1713
1714 2010-04-09  Richard Guenther  <rguenther@suse.de>
1715
1716         * target.h (builtin_conversion): Pass in input and output types.
1717         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1718         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1719         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1720         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1721
1722         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1723         Handle AVX modes.
1724         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1725
1726 2010-04-09  Richard Guenther  <rguenther@suse.de>
1727
1728         PR target/43152
1729         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1730
1731 2010-04-09  Richard Guenther  <rguenther@suse.de>
1732
1733         * tree-vectorizer.h (struct _stmt_vec_info): Document
1734         that vectype is the type of the LHS.
1735         (supportable_widening_operation, supportable_narrowing_operation):
1736         Get both input and output vector types as arguments.
1737         (vect_is_simple_use_1): Declare.
1738         (get_same_sized_vectype): Likewise.
1739         * tree-vect-loop.c (vect_determine_vectorization_factor):
1740         Set STMT_VINFO_VECTYPE to the vector type of the def.
1741         (vectorizable_reduction): Adjust.
1742         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1743         Adjust.  Specify the output vector type.
1744         (vect_pattern_recog_1): Adjust.
1745         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1746         (vectorizable_call): Adjust.
1747         (vectorizable_conversion): Likewise.
1748         (vectorizable_operation): Likewise.
1749         (vectorizable_type_demotion): Likewise.
1750         (vectorizable_type_promotion): Likewise.
1751         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1752         the def.
1753         (vect_is_simple_use_1): New function.
1754         (supportable_widening_operation): Get both input and output
1755         vector types.
1756         (supportable_narrowing_operation): Likewise.
1757         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1758
1759 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1760
1761         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1762         __thiscall and _thiscall as predefined macros.
1763         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1764         thiscall attribute handling.
1765         (ix86_comp_type_attributes): Likewise.
1766         (ix86_function_regparm): Likewise.
1767         (ix86_return_pops_args): Likewise.
1768         (init_cumulative_args): Likewise.
1769         (find_drap_reg): Likewise.
1770         (ix86_static_chain): Likewise.
1771         (x86_this_parameter): Likewise.
1772         (x86_output_mi_thunk): Likewise.
1773         (ix86_attribute_table): Add description for thiscall attribute.
1774         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1775         * doc/extend.texi: Add documentation for thiscall.
1776
1777 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1778
1779         PR c++/28584
1780         * c.opt (Wint-to-pointer-cast): Available in C++.
1781         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1782
1783 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1784
1785         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1786         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1787         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1788         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1789         function type instead.  Reorder and simplify checks.
1790
1791         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1792
1793 2010-04-08  Jing Yu  <jingyu@google.com>
1794             Zdenek Dvorak  <ook@ucw.cz>
1795
1796         PR tree-optimization/42720
1797         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1798         loop unswitch conditions here from ...
1799         (tree_unswitch_single_loop): ... here.
1800
1801 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1802
1803         * tree-if-conv.c: Fix comments and simplify logic.
1804
1805 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1808         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1809         (main_tree_if_conversion): Update call to tree_if_conversion.
1810
1811 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1812
1813         PR 42485
1814         * doc/invoke.texi (-b,-V): Delete.
1815         * doc/tm.texi: Do not mention -b.
1816         * gcc.c (display_help): Delete -b and -V.
1817         (process_command): Delete -b and -V.
1818         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1819
1820 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1821             Wolfgang Gellerich  <gellerich@de.ibm.com>
1822
1823         Implement target hook for loop unrolling
1824         * target.h (loop_unroll_adjust): Add a new target hook function.
1825         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1826         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1827         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1828         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1829         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1830         target hook.
1831         (decide_unroll_stupid): Likewise.
1832
1833 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1834
1835         PR target/43643
1836         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1837
1838 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1839
1840         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1841         (Specific, *-*-solaris2*): Likewise.
1842         Don't prefer Sun as over GNU as.
1843
1844 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1845
1846         * config/s390/s390.c (override_options): Adjust the z10
1847           defaults for max-unroll-times, max-completely-peeled-insns
1848           and max-completely-peel-times.
1849
1850 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1851
1852         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1853         instructions for z10.
1854         (s390_expand_setmem): Likewise.
1855         (s390_expand_cmpmem): Likewise.
1856
1857 2010-04-08  Richard Guenther  <rguenther@suse.de>
1858
1859         PR tree-optimization/43679
1860         * tree-ssa-pre.c (eliminate): Only propagate copies.
1861
1862 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1863
1864         PR bootstrap/43681
1865         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1866         set but not used variable warning.
1867
1868 2010-04-08  Wei Guozhi  <carrot@google.com>
1869
1870         PR target/41653
1871         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1872         (arm_size_rtx_costs): Call the new function when optimized for size.
1873
1874 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1875
1876         PR debug/43670
1877         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1878         op0 is not a MEM, just return NULL instead of assertion
1879         failure.
1880         (discover_nonconstant_array_refs): Don't walk debug stmts.
1881
1882 2010-04-08  Doug Kwan  <dougkwan@google.com>
1883
1884         * configure.ac: Recognize gold and do not use its version number
1885         to test ld features.
1886         * configure: Regenerate.
1887
1888 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1889
1890         PR middle-end/40815
1891         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1892         (negate_value): Move code to push elements to broken_up_substracts ...
1893         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1894         negative pair to plus_negates.
1895         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1896
1897 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1898
1899         * doc/install.texi (Configuration): Move description of
1900         --enable-lto, --with-libelf*, --enable-gold from Java section to
1901         general section.
1902
1903         * doc/generic.texi (Working with declarations)
1904         (Function Properties, C and C++ Trees): Fix typos.
1905         * doc/sourcebuild.texi (Top Level): Likewise.
1906
1907 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1908
1909         PR c/18624
1910         * tree.h (DECL_READ_P): Define.
1911         (struct tree_decl_common): Add decl_read_flag.
1912         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1913         a set but not used warning.
1914         (merge_decls): Merge DECL_READ_P flag.
1915         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1916         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1917         * c-common.c (handle_used_attribute, handle_unused_attribute):
1918         Likewise.
1919         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1920         New prototypes.
1921         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1922         New functions.
1923         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1924         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1925         c_parser_binary_expression, c_parser_cast_expression,
1926         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1927         Call default_function_array_read_conversion instead of
1928         default_function_array_conversion where needed.
1929         (c_parser_unary_expression, c_parser_conditional_expression,
1930         c_parser_postfix_expression_after_primary, c_parser_initelt):
1931         Likewise.  Call mark_exp_read where needed.
1932         (c_parser_statement_after_labels, c_parser_asm_operands,
1933         c_parser_typeof_specifier, c_parser_sizeof_expression,
1934         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1935         where needed.
1936         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1937         New.
1938         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1939         (warn_unused_but_set_parameter): Default to warn_unused
1940         && extra_warnings.
1941         * doc/invoke.texi: Document -Wunused-but-set-variable and
1942         -Wunused-but-set-parameter.
1943
1944         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1945         used count variable.
1946         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1947         when operandN variables aren't used in the body of the expander
1948         or splitter.
1949         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1950         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1951         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1952         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1953         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1954         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1955         * tree.c (PROCESS_ARG): Likewise.
1956
1957 2010-04-07  Simon Baldwin  <simonb@google.com>
1958
1959         * diagnostic.h (diagnostic_override_option_index): New macro to
1960         set a diagnostic's option_index.
1961         * c-tree.h (c_cpp_error): Add warning reason argument.
1962         * opts.c (_warning_as_error_callback): New.
1963         (register_warning_as_error_callback): Store callback for
1964         warnings enabled via enable_warning_as_error.
1965         (enable_warning_as_error): Call callback, minor code tidy.
1966         * opts.h (register_warning_as_error_callback): Declare.
1967         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1968         response to -Werror=.
1969         (c_common_init_options): Register warning_as_error_callback in opts.c.
1970         * common.opt: Add -Wno-cpp option.
1971         * c-common.c (struct reason_option_codes_t): Map cpp warning
1972         reason codes to gcc option indexes.
1973         * (c_option_controlling_cpp_error): New function, lookup the gcc
1974         option index for a cpp warning reason code.
1975         * (c_cpp_error): Add warning reason argument, call
1976         c_option_controlling_cpp_error for diagnostic_override_option_index.
1977         * doc/invoke.texi: Document -Wno-cpp.
1978
1979 2010-04-07  Richard Guenther  <rguenther@suse.de>
1980
1981         * ipa-reference.c (mark_load): Use get_base_address.
1982         (mark_store): Likewise.
1983
1984         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1985         inserting GIMPLE_NOPs into the IL.
1986         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1987         Explicitly strip handled components and indirect references.
1988
1989         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1990         folding address expressions.
1991         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1992         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1993         operand_equal_p to compare decls.
1994         (ptr_deref_may_alias_decl_p): Likewise.
1995         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1996         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1997         Handle reversed comparison ops.
1998         * tree-sra.c (asm_visit_addr): Use get_base_address.
1999         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2000         * ipa-reference.c (mark_address): Use get_base_address.
2001
2002 2010-04-07  Richard Guenther  <rguenther@suse.de>
2003
2004         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2005         Propagate constants everywhere.
2006
2007 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2008
2009         PR debug/43516
2010         * tree.c (MAX_INT_CACHED_PREC): Define.
2011         (nonstandard_integer_type_cache): New array.
2012         (build_nonstandard_integer_type): Cache results for precision
2013         <= MAX_INT_CACHED_PREC.
2014
2015 2010-04-07  Richard Guenther  <rguenther@suse.de>
2016
2017         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2018         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2019         * common.opt: Likewise.
2020         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2021         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2022         (nonoverlapping_memrefs_p): Likewise.
2023         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2024         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2025         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2026         OPT_fargument_noalias_global for backward compatibility.
2027
2028 2010-04-07  Richard Guenther  <rguenther@suse.de>
2029
2030         PR tree-optimization/43270
2031         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2032         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2033         * tree-ssa-pre.c (phi_translate_1): Adjust.
2034         (fully_constant_expression): Split out vn_reference handling to ...
2035         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2036         Fold reads from constant strings.
2037         (vn_reference_lookup): Handle fully constant references.
2038         (vn_reference_lookup_pieces): Likewise.
2039         * Makefile.in (expmed.o-warn): Add -Wno-error.
2040
2041 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2042
2043         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2044
2045 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2046
2047         PR driver/41594
2048         * gcc.c: Add -static-libstdc++ to list of recognized options.
2049
2050 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2051
2052         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2053
2054 2010-04-07  Richard Guenther  <rguenther@suse.de>
2055
2056         PR middle-end/42617
2057         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2058         bases build simple mem attributes to retain points-to information.
2059
2060 2010-04-07  Richard Guenther  <rguenther@suse.de>
2061
2062         PR middle-end/42617
2063         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2064         preserve points-to related information.
2065
2066 2010-04-07  Richard Guenther  <rguenther@suse.de>
2067
2068         PR middle-end/42617
2069         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2070         discard plain indirect references.
2071         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2072         * tree.c (tree_nop_conversion): Likewise.
2073
2074 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2075
2076         PR debug/43628
2077         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2078
2079 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2080
2081         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2082         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2083
2084 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2085
2086         * tree-if-conv.c: Fix indentation and comments.
2087
2088 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2089
2090         * tree-if-conv.c: Sort static functions in topological order.
2091
2092 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2093
2094         * tree-if-conv.c: Fix indentation and comments.
2095
2096 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         PR middle-end/43519
2099         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2100         lang_hooks.types.type_for_size instead of
2101         build_nonstandard_integer_type.
2102         When converting an unsigned type to signed, double its precision.
2103         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2104         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2105         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2106         use lb <= ub.
2107
2108 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2109
2110         PR middle-end/43519
2111         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2112         POINTER_PLUS_EXPR for pointer types.
2113
2114 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2115
2116         PR middle-end/43519
2117         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2118         * graphite-clast-to-gimple.c: Include langhooks.h.
2119         (max_signed_precision_type): New.
2120         (max_precision_type): Takes two types as arguments.
2121         (precision_for_value): New.
2122         (precision_for_interval): New.
2123         (gcc_type_for_interval): New.
2124         (gcc_type_for_value): New.
2125         (gcc_type_for_clast_term): New.
2126         (gcc_type_for_clast_red): New.
2127         (gcc_type_for_clast_bin): New.
2128         (gcc_type_for_clast_expr): Split up into several functions.
2129         (gcc_type_for_clast_eq): Rewritten.
2130         (compute_bounds_for_level): New.
2131         (compute_type_for_level_1): New.
2132         (compute_type_for_level): New.
2133         (gcc_type_for_cloog_iv): Removed.
2134         (gcc_type_for_iv_of_clast_loop): Rewritten.
2135         (graphite_create_new_loop): Compute the lower and upper bound types
2136         with gcc_type_for_clast_expr.
2137         (graphite_create_new_loop_guard): Same.
2138         (find_cloog_iv_in_expr): Removed.
2139         (compute_cloog_iv_types_1): Removed.
2140         (compute_cloog_iv_types): Removed.
2141         (gloog): Do not call compute_cloog_iv_types.
2142         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2143         GBB_CLOOG_IV_TYPES.
2144         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2145         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2146         (GBB_CLOOG_IV_TYPES): Removed.
2147
2148 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2149
2150         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2151         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2152         (detect_commutative_reduction): Same.
2153
2154 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2155
2156         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2157         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2158         argument.
2159         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2160         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2161         (rewrite_commutative_reductions_out_of_ssa): Same.
2162         * passes.c (execute_function_todo): Call verify_ssa for every pass
2163         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2164         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2165         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2166         with an extra argument.
2167         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2168         verify_ssa only when the extra argument is true.
2169         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2170         with an extra argument.
2171         (tree_transform_and_unroll_loop): Same.
2172
2173 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2174
2175         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2176         for all the passes of the LNO having LOOP_CLOSED_SSA.
2177         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2178         * tree-loop-distribution.c (pass_loop_distribution): Same.
2179         * tree-pass.h (TODO_verify_loops): Removed.
2180         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2181         (pass_lim): Same.
2182         (pass_tree_unswitch): Same.
2183         (pass_predcom): Same.
2184         (pass_vectorize): Same.
2185         (pass_linear_transform): Same.
2186         (pass_graphite_transforms): Same.
2187         (pass_iv_canon): Same.
2188         (pass_complete_unroll): Same.
2189         (pass_complete_unrolli): Same.
2190         (pass_parallelize_loops): Same.
2191         (pass_loop_prefetch): Same.
2192         (pass_iv_optimize): Same.
2193
2194 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2195
2196         PR middle-end/32824
2197         * passes.c (init_optimization_passes): Move pass_lim before
2198         pass_copy_prop and pass_dce_loop.
2199
2200 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2201
2202         PR target/43667
2203         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2204         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2205         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2206         MULTI_* defines for 4 argument vpermil2p* builtins.
2207
2208 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2209
2210         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2211         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2212         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2213         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2214         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2215         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2216         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2217         Use x86_maybe_negate_const_int to output insn mnemonic.
2218         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2219         check from instruction predicate.  Update comments.
2220         * config/i386/sync.md (sync_add<mode>): Use
2221         x86_maybe_negate_const_int to output insn mnemonic.
2222
2223 2010-04-06  Jan Hubicka  <jh@suse.cz>
2224
2225         PR tree-optimization/42906
2226         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2227         IGNORE_SELF argument.  Set visited_control_parents for fully
2228         processed BBs.
2229         (find_obviously_necessary_stmts): Update call of
2230         mark_control_dependent_edges_necessary.
2231         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2232
2233 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2234
2235         * config/i386/i386.md: Remove comment about 'e' and 'E'
2236         operand modifier.
2237
2238 2010-04-06  Richard Guenther  <rguenther@suse.de>
2239
2240         PR tree-optimization/43627
2241         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2242         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2243         not varying.
2244
2245 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2246
2247         * BASE-VER: Change to 4.6.0.
2248
2249         PR target/43638
2250         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2251         handling.
2252
2253 2010-04-06  Richard Guenther  <rguenther@suse.de>
2254
2255         PR middle-end/43661
2256         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2257
2258 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2259
2260         * doc/invoke.texi (Optimize Options): Document that LTO
2261         won't remove object access purely due to incompatible
2262         declarations.
2263
2264 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2265
2266         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2267         Initialize variable.
2268
2269 2010-04-03  Richard Guenther  <rguenther@suse.de>
2270
2271         PR middle-end/42509
2272         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2273         require a non-NULL MEM_OFFSET.
2274
2275 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2276
2277         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2278         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2279         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2280         config/alpha/predicates.md, config/arm/arm.md,
2281         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2282         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2283         config/darwin9.h, config/darwin.c, config/darwin.h,
2284         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2285         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2286         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2287         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2288         config/mips/mips.md, config/mn10300/mn10300.c,
2289         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2290         config/rs6000/aix.h, config/rs6000/dfp.md,
2291         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2292         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2293         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2294         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2295         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2296         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2297         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2298         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2299         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2300         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2301         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2302         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2303         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2304         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2305         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2306         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2307         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2308         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2309         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2310         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2311         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2312         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2313         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2314         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2315         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2316         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2317         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2318         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2319         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2320         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2321         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2322         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2323         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2324         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2325         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2326         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2327
2328 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2329
2330         PR other/43620
2331         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2332         * aclocal.m4: Regenerate.
2333
2334 2010-04-02  Richard Guenther  <rguenther@suse.de>
2335
2336         PR tree-optimization/43629
2337         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2338         if we have seen a constant value.
2339
2340 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2341
2342         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2343
2344 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2345
2346         PR target/43469
2347         * arm.c (legitimize_tls_address): Adjust call to
2348         gen_tls_load_dot_plus_four.
2349         (arm_note_pic_base): New function.
2350         (arm_cannot_copy_insn_p): Use it.
2351         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2352         constraint.
2353
2354 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2355
2356         PR bootstrap/43531
2357
2358         Revert:
2359         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2360
2361         * Makefile.in ($(out_object_file)): Depend on
2362         gt-$(basename $(notdir $(out_file))).h.
2363
2364 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2365
2366         * config.gcc (lm32-*-rtems*): Add t-lm32.
2367
2368 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2369
2370         * config.gcc: Add lm32-*-rtems*.
2371         * config/lm32/rtems.h: New file.
2372
2373 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2374
2375         PR target/42609
2376         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2377
2378 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2379
2380         * dwarf2out.c (output_compilation_unit_header): For
2381         -gdwarf-4 use version 4 instead of version 3.
2382         (output_line_info): For version 4 and above emit additional
2383         maximum ops per insn header field.
2384         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2385
2386         * dwarf2out.c (is_c_family, is_java): Remove.
2387         (lower_bound_default): New function.
2388         (add_bound_info, gen_descr_array_type_die): Use it.
2389
2390 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2391
2392         PR debug/43325
2393         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2394         re-declaration when it happens in a function.
2395
2396 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2397
2398         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2399         (cgraph_remove_function_insertion_hook): Same.
2400         (cgraph_call_function_insertion_hooks): Same.
2401
2402 2010-04-01  Richard Guenther  <rguenther@suse.de>
2403
2404         PR middle-end/43614
2405         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2406         and TREE_THIS_VOLATILE.
2407         (copy_ref_info): Likewise.
2408         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2409         * tree.c (build6_stat): Ignore side-effects of all but arg5
2410         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2411         TARGET_MEM_REF.
2412
2413 2010-04-01  Richard Guenther  <rguenther@suse.de>
2414
2415         PR tree-optimization/43607
2416         * ipa-type-escape.c (check_call): Do not access non-existing
2417         arguments.
2418
2419 2010-04-01  Richard Guenther  <rguenther@suse.de>
2420
2421         PR middle-end/43602
2422         Revert
2423         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2424                     Jack Howarth <howarth@bromo.med.uc.edu>
2425
2426         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2427         variables TLS.
2428
2429 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2430
2431         * doc/install.texi (Prerequisites): Document libelf usability on
2432         IRIX 5/6 and Solaris 2.
2433         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2434         Update GNU as, GNU ld requirements.
2435         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2436         Document Sun Studio compiler download.
2437         Update and simplify as, ld recommendations.
2438         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2439
2440 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2441
2442         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2443         with_tune_32 to pentium4.
2444
2445 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2446
2447         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2448
2449 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2450
2451         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2452         obsoletion, removal.
2453         Update IDO URL.
2454         Document GNU as requirement.
2455         Update configure requirements.
2456         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2457         Recomment IRIX 6.5.18+.
2458         Document IDF/IDL requirement.
2459         Document GNU as requirement.
2460         Document GNU ld bootstrap failure.
2461         Remove freeware.sgi.com reference.
2462
2463 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2464
2465         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2466         UNIX V4.0, V5.0 obsoletion, removal.
2467         Remove --with-gc=simple reference.
2468         Update VM requirements during bootstrap.
2469         Remove -oldas bootstrap description.
2470         Update binutils reference.
2471         Remove comparison failure note.
2472
2473 2010-03-31  Richard Guenther  <rguenther@suse.de>
2474             Zdenek Dvorak  <ook@ucw.cz>
2475             Sebastian Pop  <sebastian.pop@amd.com>
2476
2477         PR middle-end/43464
2478         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2479         with multiple arguments.
2480         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2481
2482 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2483
2484         * graphite-dependences.c (print_pddr): Call print_pdr with an
2485         extra argument.
2486         * graphite-poly.c (debug_pdr): Add an extra argument for the
2487         verbosity level.
2488         (print_pdr): Same.
2489         (print_pbb_domain): Same.
2490         (print_pbb): Same.
2491         (print_scop_context): Same.
2492         (print_scop): Same.
2493         (print_cloog): Same.
2494         (debug_pbb_domain): Same.
2495         (debug_pbb): Same.
2496         (print_pdrs): Same.
2497         (debug_pdrs): Same.
2498         (debug_scop_context): Same.
2499         (debug_scop): Same.
2500         (debug_cloog): Same.
2501         (print_scop_params): Same.
2502         (debug_scop_params): Same.
2503         (print_iteration_domain): Same.
2504         (print_iteration_domains): Same.
2505         (debug_iteration_domain): Same.
2506         (debug_iteration_domains): Same.
2507         (print_scattering_function): Same.
2508         (print_scattering_functions): Same.
2509         (debug_scattering_function): Same.
2510         (debug_scattering_functions): Same.
2511         * graphite-poly.h (debug_pdr): Update declaration.
2512         (print_pdr): Same.
2513         (print_pbb_domain): Same.
2514         (print_pbb): Same.
2515         (print_scop_context): Same.
2516         (print_scop): Same.
2517         (print_cloog): Same.
2518         (debug_pbb_domain): Same.
2519         (debug_pbb): Same.
2520         (print_pdrs): Same.
2521         (debug_pdrs): Same.
2522         (debug_scop_context): Same.
2523         (debug_scop): Same.
2524         (debug_cloog): Same.
2525         (print_scop_params): Same.
2526         (debug_scop_params): Same.
2527         (print_iteration_domain): Same.
2528         (print_iteration_domains): Same.
2529         (debug_iteration_domain): Same.
2530         (debug_iteration_domains): Same.
2531         (print_scattering_function): Same.
2532         (print_scattering_functions): Same.
2533         (debug_scattering_function): Same.
2534         (debug_scattering_functions): Same.
2535
2536 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2537
2538         * graphite-poly.c (print_scattering_function_1): New.
2539         (print_scattering_function): Call it.
2540         (print_scop_params): Remove spaces at the end of lines.
2541         (print_cloog): New.
2542         (debug_cloog): New.
2543         * graphite-poly.h (print_cloog): Declared.
2544         (debug_cloog): Declared.
2545
2546 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2547
2548         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2549         in loop->header.
2550         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2551         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2552         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2553         to switch between adding the IV bump in loop->latch or in loop->header.
2554
2555 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2556
2557         * graphite-poly.c (print_scattering_function): Pretty print following
2558         the scoplib format.
2559         (print_pdr): Same.
2560         (print_pbb_domain): Same.
2561         (dump_gbb_cases): Same.
2562         (dump_gbb_conditions): Same.
2563         (print_pdrs): Same.
2564         (print_pbb): Same.
2565         (print_scop_params): Same.
2566         (print_scop_context): Same.
2567         (print_scop): Same.
2568         (print_pbb_body): New.
2569         (lst_indent_to): New.
2570         (print_lst): Start new lines with a #.
2571         * graphite-poly.h (pbb_bb): New.
2572         (pbb_index): Use pbb_bb.
2573         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2574         disjuncts.
2575         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2576
2577 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2578
2579         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2580         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2581         and 0 instead of 1 for dw_val_class_flag.
2582         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2583         dw_val_class_range_list, dw_val_class_loc_list,
2584         dw_val_class_lineptr and dw_val_class_macptr, use
2585         DW_FORM_flag_present for dw_val_class_flag and
2586         DW_FORM_exprloc for dw_val_class_loc.
2587         (output_die): For -gdwarf-4 print dw_val_class_loc
2588         size as uleb128 instead of 1 or 2 bytes and don't print
2589         anything for dw_val_class_flag.
2590
2591         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2592         instead of cselib_lookup following by tweaking locs->setting_insn.
2593
2594         PR bootstrap/43596
2595         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2596         even before returning from label, setjmp call or volatile asm
2597         handling.
2598
2599 2010-03-31  Richard Guenther  <rguenther@suse.de>
2600
2601         PR middle-end/43600
2602         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2603         temporary data on stack.
2604
2605 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2606
2607         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2608         (PUSHSECTION_ASM_OP): Remove.
2609         (POPSECTION_ASM_OP): Remove.
2610         (PUSHSECTION_FORMAT): Remove.
2611         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2612         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2613         * config/sol2.c (solaris_output_init_fini): Use it.
2614
2615 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2616
2617         PR 43574
2618         * opt-functions.awk (var_type_struct): Use signed char type
2619         for simple variables.
2620
2621 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2622
2623         * config/sol2.c: Include output.h.
2624         (solaris_assemble_visibility): New function.
2625         * config/t-sol2 (sol2.o): Add output.h dependency.
2626         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2627         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2628         Redefine.
2629
2630 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2631
2632         PR target/43580
2633         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2634         V2SImode or XFmode on PRE_DEC.
2635
2636         PR debug/43557
2637         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2638         BLKmode.
2639
2640 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2641
2642         PR 43562
2643         * reload.h (caller_save_initialized_p): Declare.
2644         * toplev.c (backend_init_target): Don't call
2645         init_caller_save but set caller_save_initialized_p to false.
2646         * caller-save.c (caller_save_initialized_p): Define.
2647         (init_caller_save): Check caller_save_initialized_p.
2648         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2649
2650 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2651
2652         PR target/39048
2653         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2654         and soft-fp/t-softfp to tmake_file.
2655         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2656         (LIBGCC2_TF_CEXT): Define.
2657         (TF_SIZE): Define.
2658
2659 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2660
2661         PR debug/42977
2662         * cselib.c (n_useless_values): Document handling of debug locs.
2663         (n_useless_debug_values, n_debug_values): New variables.
2664         (new_elt_loc_list): Don't add to debug values, keep count.
2665         (promote_debug_loc): New.
2666         (cselib_reset_table): Zero new variables.
2667         (entry_and_rtx_equal_p): Promote debug locs.
2668         (discard_useless_locs): Increment n_useless_debug_values for
2669         debug values.
2670         (remove_useless_values): Adjust n_useless_values and n_debug_values
2671         with n_useless_debug_values.
2672         (add_mem_for_addr): Promote debug locs.
2673         (cselib_lookup_mem): Likewise.
2674         (cselib_lookup_addr): Renamed to...
2675         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2676         (cselib_log_lookup): ... this.  Turn into...
2677         (cselib_lookup_addr): ... new wrapper.
2678         (cselib_lookup_from_insn): New.
2679         (cselib_invalidate_regno): Increment n_useless_debug_values for
2680         debug values.
2681         (cselib_invalidate_mem): Likewise.
2682         (cselib_process_insn): Take n_deleted and n_debug_values into
2683         account to guard remove_useless_value call.
2684         (cselib_finish): Zero n_useless_debug_values.
2685         * cselib.h (cselib_lookup_from_insn): Declare.
2686         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2687         (sched_analyze_2): Likewise.
2688
2689 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2690
2691         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2692         functions.
2693         (adjust_mems): Replace narrowing SUBREG of expression containing
2694         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2695         with operations in the narrower mode.
2696
2697         PR debug/43593
2698         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2699         regs_invalidated_by_call instead all call_used_reg_set registers.
2700
2701 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         PR middle-end/43430
2704         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2705         pointer comparisons with types_compatible_p.
2706         * tree-vect-stmts.c (vectorizable_call): Same.
2707         (vectorizable_condition): Same.
2708
2709 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2710
2711         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2712         stack check if the mask would be zero.
2713
2714 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2715             Jack Howarth <howarth@bromo.med.uc.edu>
2716
2717         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2718         variables TLS.
2719
2720 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2721
2722         PR other/25232
2723         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2724         and __unordtf2.
2725         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2726         Include ___unordxf2 and ___unordtf2.
2727         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2728         GCC_4.4.0 here.
2729
2730 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2731
2732         * config/lm32/t-lm32: New file.
2733         * config.gcc: Use the above file when targetting lm32.
2734
2735 2010-03-28  Duncan Sands  <baldrick@free.fr>
2736
2737         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2738
2739 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2740
2741         PR middle-end/43431
2742         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2743         Improve vectorization cost model diagnostic.
2744
2745 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2746
2747         PR middle-end/43436
2748         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2749         compute_data_dependences_for_loop returns false, early exit
2750         and output an extra diagnostic for the failed data reference
2751         analysis.
2752
2753 2010-03-29  Richard Guenther  <rguenther@suse.de>
2754
2755         PR tree-optimization/43560
2756         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2757         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2758
2759 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2760
2761         PR 43564
2762         * toplev.c (process_options): Set optimization_default_node
2763         and optimization_current_node.
2764         * opts.c (decode_options): Don't set optimization_default_node
2765         and optimization_current_node.
2766
2767 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2768
2769         * config/rtems.h: Abandon -qrtems_debug.
2770
2771 2010-03-28  Jan Hubicka  <jh@suse.cz>
2772
2773         PR tree-optimization/43505
2774         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2775         map should not be copied.
2776
2777 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2778
2779         PR middle-end/41674
2780         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2781         cdtors, set DECL_PRESERVE_P.
2782         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2783         should be preseved.
2784
2785 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2786
2787         PR tree-optimization/43528
2788         * stor-layout.c (place_field): Check that constant fits into
2789         unsigned HWI when skipping calculation of MS bitfield layout.
2790
2791 2010-03-27  Jan Hubicka  <jh@suse.cz>
2792
2793         PR middle-end/43391
2794         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2795         notice_global_symbol work.
2796
2797 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2798
2799         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2800         instead of dwarf2out_decl.
2801         (struct var_loc_node): Remove section_label field.
2802         (dwarf2out_function_decl): New function.
2803         (dwarf2out_var_location): Don't set section_label field.
2804         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2805
2806 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2807
2808         PR tree-optimization/43544
2809         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2810         First argument for builtin vectorized function hook is now a
2811         tree to be able to distinguish between machine specific and
2812         standard builtins.
2813         * targhooks.c (default_builtin_vectorized_function): Ditto.
2814         * targhooks.h (default_builtin_vectorized_function): Ditto.
2815         * target.h (struct gcc_target): Ditto.
2816         * tree-vect-stmts.c (vectorizable_function): Ditto.
2817         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2818         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2819         Ditto.
2820
2821 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2822
2823         PR c/43381
2824         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2825         nested binding iff it is a FUNCTION_DECL.
2826         (store_parm_decls_newstyle): Pass nested=true to bind for
2827         FUNCTION_DECLs amongst parameters.
2828
2829 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2830
2831         * var-tracking.c (vt_expand_loc_callback): Don't run
2832         cselib_expand_value_rtx_cb in dummy mode if
2833         cselib_dummy_expand_value_rtx_cb returned false.
2834
2835         * var-tracking.c (emit_note_insn_var_location): For one part
2836         notes with offset 0, don't add EXPR_LIST around the location.
2837         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2838         add_location_or_const_value_attribute): Adjust for that change.
2839
2840         PR debug/43540
2841         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2842         into first operand and location into second.
2843         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2844         dw_cfi_oprnd_loc for DW_CFA_expression.
2845         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2846         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2847         assume first argument is regnum and second argument is location.
2848
2849 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2850
2851         PR target/42113
2852         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2853         of scratch register to DImode.  Split to DImode comparison operator.
2854         Use SImode subreg of scratch register in the multiplication.
2855         (*cmp_sadd_sidi): Ditto.
2856         (*cmp_ssub_si): Ditto.
2857         (*cmp_ssub_sidi): Ditto.
2858
2859 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2860
2861         PR target/43524
2862         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2863         Remove invalid assert and wrong comment.
2864
2865 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2866
2867         PR debug/43516
2868         * flags.h (final_insns_dump_p): New extern.
2869         * final.c (final_insns_dump_p): New variable.
2870         (rest_of_clean_state): Set it before -fdump-final-insns=
2871         dumping, clear afterwards.
2872         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2873         MEM_ALIAS_SET on MEMs.
2874
2875 2010-03-26  David S. Miller  <davem@davemloft.net>
2876
2877         * configure.ac: Fix sparc GOTDATA_OP bug check.
2878         * configure: Rebuild.
2879
2880 2010-03-26  Alan Modra  <amodra@gmail.com>
2881
2882         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2883
2884 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2885
2886         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2887         TLS_SECTION_ASM_FLAG.
2888
2889 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2890
2891         PR bootstrap/43511
2892         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2893         Clear first_function_block_is_cold.
2894
2895         PR c/43385
2896         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2897         argument if the argument is truth_value_p.
2898
2899 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2900
2901         * config/rs6000/constraints.md: Update copyright year for my changes.
2902
2903         PR target/43484
2904         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2905         used in reg+reg addressing, swap registers.
2906
2907 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2908
2909         PR debug/43293
2910         * target.h (struct gcc_target): Add code_end hook.
2911         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2912         if not yet defined.
2913         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2914         * toplev.c (compile_file): Call targetm.asm_out.code_end
2915         hook before unwind info/debug info output.
2916         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2917         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2918         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2919         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2920         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2921         * config/i386/i386.c (ix86_file_end): Renamed to...
2922         (ix86_code_end): ... this.  Make static.  Don't call
2923         file_end_indicate_exec_stack.  Emit unwind info using
2924         final_start_function/final_end_function.
2925         (darwin_x86_file_end): Remove.
2926         (TARGET_ASM_CODE_END): Define.
2927         * config/i386/i386.h (TARGET_ASM_FILE_END,
2928         NEED_INDICATE_EXEC_STACK): Don't define.
2929         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2930         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2931         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2932         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2933
2934         PR target/43498
2935         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2936         at the beginning and final_end_function at the end.
2937         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2938
2939 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2940
2941         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2942         and Sun as TLS syntax.
2943         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2944         * configure: Regenerate.
2945         * config.in: Regenerate.
2946         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2947         (default_elf_asm_named_section): Use it.
2948         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2949         (i386_output_dwarf_dtprel): Likewise.
2950         (output_addr_const_extra): Likewise.
2951         (output_pic_addr_const): Lowercase @GOTTPOFF.
2952         (output_addr_const_extra): Likewise.
2953         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2954         (output_addr_const_extra): Likewise.
2955         (output_pic_addr_const): Lowercase @INDNTPOFF.
2956         (output_addr_const_extra): Likewise.
2957         (output_pic_addr_const): Lowercase @NTPOFF.
2958         (output_addr_const_extra): Likewise.
2959         (output_pic_addr_const): Lowercase @TPOFF.
2960         (output_addr_const_extra): Likewise.
2961         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2962         (*tls_global_dynamic_64): Likewise.
2963         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2964         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2965
2966         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2967         (ASM_OUTPUT_TLS_COMMON): Use it.
2968         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2969
2970         PR target/38118
2971         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2972         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2973         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2974         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2975         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2976         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2977
2978 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2979
2980         * config/i386/i386.c (override_options): Don't accept
2981         -mtls-dialect=sun any longer.
2982         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2983         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2984         (*tls_local_dynamic_base_32_sun): Likewise.
2985         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2986
2987 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2988
2989         PR debug/43508
2990         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2991         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2992
2993         PR debug/43479
2994         * ira.c (adjust_cleared_regs): New function.
2995         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2996
2997         PR debug/19192
2998         PR debug/43479
2999         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3000         from gimple_block.
3001         * expr.c (expand_expr_real): Restore previous
3002         curr_insn_source_location and curr_insn_block after
3003         expand_expr_real_1 call.
3004         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3005         instead of expand_expr_real_1.
3006
3007 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3008
3009         PR rtl-optimization/43413
3010         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3011         hard regs too.
3012
3013 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3014
3015         PR target/43348
3016         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3017         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3018
3019 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3020
3021         * config/i386/i386.c (ix86_target_string): Add -mfma.
3022         Fix a typo in comment.
3023
3024 2010-03-22  Mike Stump  <mikestump@comcast.net>
3025
3026         PR target/23071
3027         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3028         Don't overly align based upon packed packed fields.
3029
3030 2010-03-22  Jason Merrill  <jason@redhat.com>
3031
3032         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3033         Use () rather than [], and move before the element type.
3034
3035 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3036
3037         * doc/configfiles.texi (Configuration Files): Removed
3038         fixinc/Makefile*, intl/Makefile.*.
3039         * doc/makefile.texi: Fixed markup. Abstract from version
3040         control system used.
3041         (Makefile): Removed obsolete gcc/java/parse.y example.
3042         * doc/sourcebuild.texi: Likewise.
3043         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3044         libgomp, libssp.  Removed fastjar.
3045         (Miscellaneous Docs): Clarify location.
3046         Added COPYING3, COPYING3.LIB.
3047         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3048
3049 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3050
3051         PR target/38085
3052         * config/i386/i386.c (x86_function_profiler)
3053         [!NO_PROFILE_COUNTERS]: Fix typo.
3054         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3055         instead of callq.
3056
3057 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3058             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3059
3060         * doc/sourcebuild.texi (Test Directives): Split into six
3061         subsections, with most of the current text in new subsections
3062         Directives, Selectors, and Final Actions.
3063         (Directives): Split list of test directives into multiple
3064         subsubsections.
3065         (Selectors): Describe use and syntax of selectors.
3066         (Effective-Target Keywords): Describe all existing keywords.
3067         (Add Options): Describe features for dg-add-options.
3068         (Require Support): Describe variants of dg-require-support.
3069         (Final Actions): Describe commands to use in dg-final.
3070
3071 2010-03-22  Michael Matz  <matz@suse.de>
3072
3073         PR middle-end/43475
3074         * recog.c (validate_replace_rtx_group): Replace also in
3075         REG_EQUAL and REG_EQUIV notes.
3076
3077 2010-03-22  Richard Guenther  <rguenther@suse.de>
3078
3079         PR tree-optimization/43390
3080         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3081         sure vector extracts are type correct.
3082
3083 2010-03-22  Richard Guenther  <rguenther@suse.de>
3084
3085         PR middle-end/40106
3086         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3087         x * sqrt (x) even when optimizing for size if the target
3088         has native support for sqrt.
3089
3090 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3091
3092         * varasm.c (make_decl_rtl_for_debug): Also clear
3093         flag_mudflap for the duration of make_decl_rtl call.
3094
3095         PR debug/43443
3096         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3097         locs from preserved VALUEs.
3098
3099 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3100
3101         PR middle-end/42718
3102         * pa.md (movmemsi): Set align to one if zero.
3103         (movmemdi): Likewise.
3104
3105 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3106
3107         PR target/42321
3108         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3109         with their corresponding prologue pushes.
3110
3111 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3112
3113         PR target/43156
3114         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3115         at the begining or end.
3116         (spu_expand_epilogue): Likewise.
3117
3118 2010-03-20  Richard Guenther  <rguenther@suse.de>
3119
3120         PR rtl-optimization/43438
3121         * combine.c (make_extraction): Properly zero-/sign-extend an
3122         extraction of the low part of a CONST_INT.  Also handle
3123         CONST_DOUBLE.
3124
3125 2010-03-19  Mike Stump  <mikestump@comcast.net>
3126
3127         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3128         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3129         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3130
3131 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3132
3133         PR c/43211
3134         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3135         an error.
3136
3137 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3138
3139         PR rtl-optimization/42258
3140         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3141         use that may match DEF.
3142
3143         PR target/40697
3144         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3145         the cost of loading the constant rather than assuming
3146         COSTS_N_INSNS (1).
3147         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3148         outer code is AND, do the same tests as the andsi3 expander and
3149         return COSTS_N_INSNS (1) if and is cheap.
3150
3151         * optabs.c (avoid_expensive_constant): Fix formatting.
3152
3153 2010-03-19  Michael Matz  <matz@suse.de>
3154
3155         PR c++/43116
3156         * attribs.c (decl_attributes): When rebuilding a function pointer
3157         type use the same qualifiers as the original pointer type.
3158
3159 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3160
3161         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3162         and is_gimple_ip_invariant_address.
3163
3164 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3165
3166         Revert
3167         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3168
3169         * config/arm/arm.c (arm_override_options): Turn off
3170         flag_dwarf2_cfi_asm for AAPCS variants.
3171
3172 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3173
3174         PR target/43399
3175         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3176         Use PRE_MODIFY instead of PRE_DEC.
3177         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3178         (vfp_emit_fstmd): Likewise.
3179
3180 2010-03-19  Michael Matz  <matz@suse.de>
3181
3182         PR target/43305
3183         * builtins.c (expand_builtin_interclass_mathfn,
3184         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3185         if that fails.
3186
3187 2010-03-19  Richard Guenther  <rguenther@suse.de>
3188
3189         PR tree-optimization/43415
3190         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3191         (phi_translate_1): ... this.
3192         (phi_translate): Move all caching here.  Cache all NARY
3193         and REFERENCE translations.
3194
3195 2010-03-19  David S. Miller  <davem@davemloft.net>
3196
3197         With help from Eric Botcazou.
3198         * config/sparc/sparc.c: Include dwarf2out.h.
3199         (emit_pic_helper): Delete.
3200         (pic_helper_symbol_name): Delete.
3201         (pic_helper_emitted_p): Delete.
3202         (pic_helper_needed): New.
3203         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3204         (get_pc_thunk_name): New.
3205         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3206         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3207         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3208         (sparc_expand_prologue): Update load_pic_register call.
3209         (sparc_output_mi_thunk): Likewise.
3210         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3211         thunk if possible.  Output CFI information as needed.
3212
3213 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3214             Jack Howarth <howarth@bromo.med.uc.edu>
3215
3216         PR target/36399
3217         * config/i386/i386.h: Fix ABI on darwin x86-32.
3218
3219 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3220
3221         * tree.h: Declare make_decl_rtl_for_debug.
3222         * varasm.c (make_decl_rtl_for_debug): New.
3223         * dwarf2out.c (rtl_for_decl_location): Call it.
3224         * cfgexpand.c (expand_debug_expr): Call it.
3225
3226 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3227
3228         PR bootstrap/43399
3229         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3230         mem_mode.
3231
3232         PR bootstrap/43403
3233         * var-tracking.c (vt_init_cfa_base): Do nothing if
3234         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3235
3236 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3237
3238         PR debug/42873
3239         * var-tracking.c (canonicalize_vars_star): New.
3240         (dataflow_post_merge_adjust): Use it.
3241
3242 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3243
3244         PR debug/43058
3245         * var-tracking.c (non_suitable_const): New function.
3246         (add_uses): For DEBUG_INSNs with constants, don't record any
3247         value, instead just the constant value itself.
3248         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3249         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3250         (emit_notes_in_bb): Likewise.
3251         (emit_note_insn_var_location): For onepart variables if
3252         cur_loc is a VOIDmode constant, use DECL_MODE.
3253
3254 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3255
3256         PR middle-end/42450
3257         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3258         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3259         all non-clones.  Moved call redirection...
3260         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3261         (cgraph_materialize_all_clones): Dispose of all
3262         combined_args_to_skip bitmaps.
3263         (verify_cgraph_node): Do not check for edges pointing to wrong
3264         nodes in inline clones.
3265         * tree-inline.c (copy_bb): Call
3266         cgraph_redirect_edge_call_stmt_to_callee.
3267         * ipa.c (cgraph_remove_unreachable_nodes): Call
3268         cgraph_node_remove_callees even when there are used clones.
3269
3270 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3271
3272         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3273
3274 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3275
3276         PR target/43383
3277         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3278         for 32bit.
3279
3280 2010-03-18  Michael Matz  <matz@suse.de>
3281
3282         PR middle-end/43419
3283         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3284         into sqrt(x) if we need to preserve signed zeros.
3285
3286 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3287             Eric Botcazou  <ebotcazou@adacore.com>
3288
3289         PR rtl-optimization/43360
3290         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3291         note if we don't know its invariant status.
3292
3293 2010-03-18  Michael Matz  <matz@suse.de>
3294
3295         PR tree-optimization/43402
3296         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3297         PHI chains of ssa names registered for update.
3298
3299 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3300
3301         PR target/42427
3302         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3303         non-offsettable and pre_modify update addressing.
3304         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3305         and "2" alternatives "#".
3306         (*movdd_softfloat32): Make all alternatives "#";
3307         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3308         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3309         (*movdf_softfloat32): Make all alternatives "#";
3310         (movdi): Use the new DIFD mode iterator to create a common splitter
3311         for movdi, movdf and movdd patterns.
3312
3313 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3314
3315         * common.opt (dumpdir): Remove redundant tab.
3316
3317 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3318
3319         PR tree-optimization/43347
3320         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3321         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3322
3323 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3324
3325         PR rtl-optimization/42216
3326         * regrename.c (create_new_chain): New function, broken out from...
3327         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3328         appending a use to an empty chain.
3329         (build_def_use): Remove previous changes that convert OP_INOUT to
3330         OP_OUT operands; instead detect the case where an OP_INOUT operand
3331         uses a previously untracked register and create an empty chain for it.
3332
3333 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3334
3335         * doc/extend.texi (Function Attributes): Rewrite unfinished
3336         sentence in ms_abi documentation.
3337
3338 2010-03-17  Alan Modra  <amodra@gmail.com>
3339
3340         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3341         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3342         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3343         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3344
3345 2010-03-16  Richard Henderson  <rth@redhat.com>
3346
3347         PR middle-end/43365
3348         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3349         (lower_try_finally): Save and restore eh_seq around the expansion
3350         of the try-finally.
3351
3352 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3353
3354         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3355         statements before splitting block.
3356
3357 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3358
3359         * doc/sourcebuild.texi (Testsuites): Fix markup.
3360         Use pathnames relative to gcc/testsuite.
3361         (Test Directives): Move description of how timeout is determined.
3362         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3363         (C Tests): Correct gcc.misc-tests directory.
3364         Framework tests now live in gcc.test-framework.
3365
3366 2010-03-16  Richard Guenther  <rguenther@suse.de>
3367
3368         PR middle-end/43379
3369         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3370         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3371
3372 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3373             Alexandre Oliva  <aoliva@redhat.com>
3374
3375         PR tree-optimization/42917
3376         * lambda-code.c (remove_iv): Skip debug statements.
3377         (lambda_loopnest_to_gcc_loopnest): Likewise.
3378         (not_interesting_stmt): Debug statements are not interesting.
3379
3380 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3381
3382         PR debug/43051
3383         PR debug/43092
3384         * cselib.c (cselib_preserve_constants,
3385         cfa_base_preserved_val): New static variables.
3386         (preserve_only_constants): New function.
3387         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3388         clear its REG_VALUES.  If cselib_preserve_constants, don't
3389         empty the whole hash table, but preserve there VALUEs with constants,
3390         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3391         (cselib_preserve_cfa_base_value): New function.
3392         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3393         (cselib_init): Change argument to int bitfield.  Set
3394         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3395         is in it.
3396         (cselib_finish): Clear cselib_preserve_constants and
3397         cfa_base_preserved_val.
3398         * cselib.h (enum cselib_record_what): New enum.
3399         (cselib_init): Change argument to int.
3400         (cselib_preserve_cfa_base_value): New prototype.
3401         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3402         * dse.c (dse_step1): Likewise.
3403         * cfgcleanup.c (thread_jump): Likewise.
3404         * sched-deps.c (sched_analyze): Likewise.
3405         * gcse.c (local_cprop_pass): Likewise.
3406         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3407         If FN is non-NULL, call the callback always and whenever it returns
3408         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3409         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3410         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3411         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3412         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3413         * var-tracking.c: Include recog.h.
3414         (bb_stack_adjust_offset): Remove.
3415         (vt_stack_adjustments): Don't call it, instead just gather the
3416         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3417         (adjust_stack_reference): Remove.
3418         (compute_cfa_pointer): New function.
3419         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3420         (struct adjust_mem_data): New type.
3421         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3422         functions.
3423         (get_address_mode): New function.
3424         (replace_expr_with_values): Use it.
3425         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3426         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3427         (adjust_sets): Remove.
3428         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3429         Use get_address_mode.
3430         (get_adjusted_src): Remove.
3431         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3432         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3433         (add_with_sets): Don't call adjust_sets.
3434         (fp_setter, vt_init_cfa_base): New functions.
3435         (vt_initialize): Change return type to bool.  Move most of pool etc.
3436         initialization to the beginning of the function from end.  Pass
3437         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3438         If !frame_pointer_needed, call vt_stack_adjustment before mos
3439         vector is filled, call vt_init_cfa_base if argp/framep has been
3440         eliminated to sp.  If frame_pointer_needed and argp/framep has
3441         been eliminated to hard frame pointer, set
3442         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3443         encountering fp setter in the prologue.  For MO_ADJUST, call
3444         log_op_type before pusing the op into mos vector, not afterwards.
3445     &