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* cgraphbuild.c (record_reference_ctx): Add varpool_node.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-06  Jan Hubicka  <jh@suse.cz>
2
3         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
4         (record_reference, mark_address, mark_load, mark_store): Record
5         references.
6         (record_references_in_initializer): Update call of record_references.
7         (rebuild_cgraph_edges): Remove all references before rebuiding.
8         * cgraph.c (cgraph_create_node): Clear ref list.
9         (cgraph_remove_node): Remove references.
10         (dump_cgraph_node): Dump references.
11         (cgraph_clone_node): Clone references.
12         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
13         (struct cgraph_node, varpool_node): Add ref_lst.
14         * ipa-ref.c: New file.
15         * ipa-ref.h: New file.
16         * ipa-ref-inline.h: New file.
17         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
18         (referenced_from_other_partition_p): New function.
19         (lto_output_varpool_node): Take set arugment; call
20         referenced_from_other_partition.
21         (lto_output_ref): New.
22         (add_references): New.
23         (output_refs): New.
24         (output_cgraph): Compute boundary based on references;
25         output refs.
26         (output_varpool): Accept cgraph_node_set argument.
27         (input_ref): New.
28         (input_refs): New.
29         (input_cgraph): Call input_refs.
30         * lto-section-in.c (lto_section_name): Add refs.
31         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
32         (ipa-ref.o): New file.
33         * varpool.c (varpool_node): Clear ipa ref list.
34         (varpool_remove_node): Remove references.
35         (dump_varpool_node): Dump references.
36         (varpool_assemble_decl): Only compile finalized ones.
37         (varpool_extra_name_alias): Initialize ref list.
38         * lto-streamer.c (lto-get_section_name): Add .refs section.
39         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
40         (referenced_from_other_partition_p): Declared.
41
42 2010-05-06  Ira Rosen  <irar@il.ibm.com>
43
44         PR tree-optimization/43901
45         * tree-vect-stmts.c (vectorizable_call): Assert that vector
46         type is not NULL if it's transformation phase, and return
47         FALSE if it's analysis.
48         (vectorizable_conversion, vectorizable_operation, 
49         vectorizable_type_demotion, vectorizable_type_promotion):
50         Likewise.
51
52 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
53
54         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
55         Delete.
56         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
57         New define.
58         * config/mips/mips-protos.h
59         (mips_small_register_classes_for_mode_p): Delete prototype.
60
61 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
62
63         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
64         * config/arm/arm.c (multiple_operation_profitable_p,
65         compute_offset_order): New static functions.
66         (load_multiple_sequence, store_multiple_sequence): Use them.
67         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
68         memory offsets, not register numbers.
69         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
70
71 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
72
73         * stor-layout.c (pending_sizes): Change the type to
74         VEC(tree,gc) *.
75         (get_pending_sizes, put_pending_size, put_pending_sizes):
76         Update the uses of pending_sizes.
77         * c-decl.c (store_parm_decls): Likewise.
78         * c-tree.h (struct c_arg_info): Likewise.
79         * tree.h: Update the prototype for get_pending_sizes and
80         put_pending_sizes.
81
82 2010-05-05  Jason Merrill  <jason@redhat.com>
83
84         PR debug/43370
85         * c-common.c (handle_aligned_attribute): Respect
86         ATTR_FLAG_TYPE_IN_PLACE.
87
88         PR testsuite/43758
89         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
90         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
91         (TARGET_INITIALIZER): Use it.
92         * c-common.c (attribute_takes_identifier_p): Call it.
93         * c-common.h: Update prototype.
94         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
95         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
96
97 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
98
99         PR debug/43950
100         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
101         DW_ID_down_case for Fortran compilation units.
102
103 2010-05-05  Jan Hubicka  <jh@suse.cz>
104
105         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
106         handle aliases.
107
108 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
109
110         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
111         a variable-sized RESULT_DECL.
112
113 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
114
115         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
116
117 2010-05-05  Jason Merrill  <jason@redhat.com>
118
119         PR c++/43787
120         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
121         returns GS_OK.
122         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
123
124 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
125             Jakub Jelinek  <jakub@redhat.com>
126
127         PR debug/43478
128         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
129         (dead_debug_init, dead_debug_finish): New functions.
130         (dead_debug_add, dead_debug_insert_before): Likewise.
131         (df_note_bb_compute): Initialize a dead_debug object, add dead
132         debug uses to it, insert debug bind insns before death insns,
133         reset debug insns that refer to pending uses at the end.
134         * rtl.h (make_debug_expr_from_rtl): New prototype.
135         * varasm.c (make_debug_expr_from_rtl): New function.
136
137 2010-05-05  Jan Hubicka  <jh@suse.cz>
138
139         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
140         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
141         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
142         lto_varpool_encoder_encode_initializer_p,
143         lto_set_varpool_encoder_encode_initializer): New functions.
144         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
145         call output_varpool.
146         (input_varpool_node): Do not always set analyzed.
147         (input_cgraph_1): Return vector of cgraph nodes.
148         (input_varpool_1): Return vector of varpools.
149         (input_cgraph): Free the vectors.
150         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
151         output only initializers needed.
152         (lto_output): Only call output_cgraph.
153         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
154         * lto-section-out.c (lto_new_out_decl_state): Initialize
155         state->varpool_node_encoder.
156         * lto-streamer.h (lto_varpool_encoder_d): New.
157         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
158         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
159         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
160         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
161         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
162         Declare.
163         (output_varpool, input_varpool): Remove declarations.
164
165 2010-05-05  Jan Hubicka  <jh@suse.cz>
166
167         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
168         with body can prevail.
169
170 2010-05-05  Jan Hubicka  <jh@suse.cz>
171
172         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
173         size.
174
175 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
176
177         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
178         dependencies.
179
180         * gengtype.h (erro_at_line): Constify pos argument.
181
182         * gengtype.c: Include hashtab.h.
183         (enum gc_used): Document GC_MAYBE_POINTED_TO.
184         (error_at_line): Constify pos argument.
185         (do_typedef): Initialize p->opt field.
186         (get_file_gtfilename): Fix comment typo.
187         (struct walk_type_data): Constify line field.
188         (get_output_file_for_structure): New function.
189         (write_local_func_for_structure): Constify orig_s argument.
190         Use get_output_file_for_structure.
191         (write_func_for_structure): Use get_output_file_for_structure.
192         (INDENT): New define.
193         (dump_pair, dump_type, dump_type_list, dump_typekind)
194         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
195         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
196         functions.
197         (seen_types): New variable.
198         (main): New variable do_dump.  Process "-d" command line option.
199         Call dump_everything if dump requested.
200
201 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
202
203         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
204         in a temporary instead of invoking the macro multiple times.
205         (track_expr_p): Likewise.
206
207 2010-05-04  Neil Vachharajani <nvachhar@google.com>
208
209         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
210         per new semantics.
211         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
212         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
213         conditions for printing notes.
214         * common.opt (-Wcoverage-mismatch): Allow negative, default to
215         true, update documentation.
216         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
217
218 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
219
220         PR c/43981
221         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
222         on dimen.
223
224 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
225
226         PR target/43799
227         * config/i386/i386.md (sse_prologue_save): Add clobber CC
228         register.
229         (*sse_prologue_save_insn1): Likewise.
230         (SSE prologue save splitter): Likewise.
231
232 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
233
234         * tree.c (free_lang_data_in_one_sizepos): New inline function.
235         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
236         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
237         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
238         all decls.  Call it on DECL_FIELD_OFFSET of fields.
239         (find_decls_types_r): Follow DECL_VALUE_EXPR.
240         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
241
242 2010-05-04  Martin Jambor  <mjambor@suse.cz>
243
244         * tree-sra.c (build_access_from_expr_1): The first parameter type
245         changed to simple tree.
246         (build_access_from_expr): Likewise, gsi parameter was eliminated.
247         (scan_assign_result): Renamed to assignment_mod_result, enum elements
248         renamed as well.
249         (build_accesses_from_assign): Removed all parameters except for a
250         simple gimple statement.  Now returns a simple bool.
251         (scan_function): All non-analysis parts moved to separate functions
252         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
253         parameters and updated both callers.
254         (sra_modify_expr): Removed parameter data.
255         (sra_modify_function_body): New function.
256         (perform_intra_sra): Call sra_modify_function_body to modify the
257         function body.
258         (replace_removed_params_ssa_names): Parameter data changed into
259         adjustments vector.
260         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
261         changed the parameter dont_convert to convert with the opposite
262         meaning.
263         (sra_ipa_modify_assign): Parameter data changed into adjustments
264         vector, return value changed to bool.
265         (ipa_sra_modify_function_body): New function.
266         (sra_ipa_reset_debug_stmts): Updated a comment.
267         (modify_function): Use ipa_sra_modify_function_body to modify function
268         body.
269
270 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
271
272         PR middle-end/43671
273         * alias.c (true_dependence): Handle the same VALUE in x and mem.
274         (canon_true_dependence): Likewise.
275         (write_dependence_p): Likewise.
276
277 2010-05-04  Jan Hubicka  <jh@suse.cz>
278
279         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
280         * cgraphbuild.c: Include ipa-utils.h
281         (record_reference_ctx): New struct.
282         (record_reference): Simplify to work on initializers; not statements.
283         (mark_address, mark_load, mark_store): New.
284         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
285         walk PHI nodes too.
286         (record_references_in_initializer): Update use of record_reference.
287         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
288         walk PHI nodes too.
289
290 2010-05-04  Jan Hubicka  <jh@suse.cz>
291
292         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
293         node will be removed anyway.
294         (lto_varpool_replace_node): Allow also unanalyzed nodes;
295         relink aliases of node into prevailing node.
296         * varpool.c (varpool_remove_node): Remove aliases properly;
297         when removing node, remove all its aliases too; remove DECL_INITIAL
298         of removed node; ggc_free the varpool node.
299
300 2010-05-04  Richard Guenther  <rguenther@suse.de>
301
302         PR tree-optimization/43879
303         * tree-ssa-structalias.c (alias_get_name): Use
304         DECL_ASSEMBLER_NAME if available.
305         (create_function_info_for): Return the varinfo node.
306         (ipa_pta_execute): Associate same-body aliases and extra names
307         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
308
309 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
310
311         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
312         static.
313
314 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
315
316         PR bootstrap/43964
317         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
318         only if HONOR_REG_ALLOC_ORDER is not defined.
319
320 2010-05-04  Richard Guenther  <rguenther@suse.de>
321
322         PR tree-optimization/43949
323         * tree-vrp.c (extract_range_from_binary_expr): Only handle
324         TRUNC_MOD_EXPR.
325
326 2010-04-26  Jason Merrill  <jason@redhat.com>
327
328         * c.opt (-fstrict-enums): New.
329         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
330
331 2010-05-03  David Ung <davidu@mips.com>
332             James E. Wilson  <wilson@codesourcery.com>
333
334         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
335         emit the trap instruction before the divide for TUNE_74K.
336
337 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
338
339         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
340         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
341         based on the above, for new target hook.
342
343         * hooks.c (hook_bool_mode_true): New generic hook.
344         * hooks.h (hook_bool_mode_true): Add prototype.
345
346         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
347         target hook.
348         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
349         target hook, set to hook_bool_mode_false.
350         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
351         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
352         with targetm.small_register_classes_for_mode_p.
353         (find_reusable_reload): Likewise.
354         (combine_reloads): Likewise.
355         * reload1.c (reload_as_needed): Likewise.
356         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
357         * ifcvt.c (noce_process_if_block, check_cond_move_block,
358         dead_or_predicable): Likewise.
359         * regmove.c (optimize_reg_copy_1): Likewise.
360         * calls.c (prepare_call_address): Likewise.
361         (precompute_register_parameters): Likewise.
362
363         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
364         hook definition.
365         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
366         implementation of the hook that considers all register classes
367         small except for SH64.
368         (sh_override_options): Use the new hook.
369         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
370         Add prototype.
371
372         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
373         hook definition.
374         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
375         implementation of the hook that considers all register classes
376         small for THUMB1.
377         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
378         Add prototype.
379
380         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
381         hook definition.
382         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
383         implementation of the hook that considers all register classes
384         small for MIPS16.
385         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
386         Add prototype.
387
388         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
389         hook definition.
390         * config/m32c/m32c.h: Likewise.
391         * config/pdp11/pdp11.h: Likewise.
392         * config/avr/avr.h: Likewise.
393         * config/xtensa/xtensa.h: Likewise.
394         * config/m68hc11/m68hc11.h: Likewise.
395         * config/mn10300/mn10300.h: Likewise.
396         * config/mcore/mcore.h: Likewise.
397         * config/h8300/h8300.h: Likewise.
398         * config/bfin/bfin.h: Likewise.
399
400         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
401         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
402
403 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
404
405         * double-int.h (tree_to_double_int): Remove macro.
406         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
407         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
408         (tree_to_double_int): New function.
409         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
410         Move ...
411         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
412
413 2010-05-03  Richard Guenther  <rguenther@suse.de>
414
415         PR tree-optimization/43971
416         * tree-ssa-structalias.c (get_constraint_for_1): Fix
417         constraints in the !flag_delete_null_pointer_checks case.
418
419 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
420
421         PR debug/43972
422         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
423         result mode matches original rtl mode.
424
425 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
426
427         PR target/43888
428         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
429
430 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
431
432         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
433         when processing flag options.
434
435 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
436
437         * gcov-iov.c (main): Change format string placeholder
438         from %#08x to 0x%08x.
439         * genchecksum.c (dosum): Change format string placeholder
440         from %#02x to 0x%02x.
441
442 2010-05-02  Richard Guenther  <rguenther@suse.de>
443
444         PR tree-optimization/43879
445         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
446
447 2010-05-02  Bruno Haible  <bruno@clisp.org>
448
449         * doc/extend.texi (Function Attributes): Fix a typo.
450
451 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
452
453         Revert:
454         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
455         placeholder from 0x%x to %#x.
456         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
457         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
458         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
459         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
460         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
461         * config/i386/i386.c (ix86_target_string): Ditto.
462         * config/i386/i386.c (output_pic_addr_const): Ditto.
463         (print_operand): Ditto.
464
465 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
466
467         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
468         placeholder from 0x%x to %#x.
469         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
470         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
471         (ASM_OUTPUT_DEBUG_DATA): Ditto.
472         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
473         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
474         * optc-gen.awk: Ditto.
475         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
476         (HOST_WIDE_INT_PRINT_HEX): Ditto.
477         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
478         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
479
480 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
481
482         * target.h (struct calls): Add function_value_regno_p field.
483         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
484         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
485         * targhooks.c (default_function_value_regno_p): New function.
486         * targhooks.h (default_function_value_regno_p): Declare function.
487         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
488         * builtins.c. (apply_result_size): (Ditto.).
489         * combine.c. (likely_spilled_retval_p): (Ditto.).
490         * mode-switching.c. Include 'target.h'.
491         (create_pre_exit): Use function_value_regno_p hook.
492         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
493         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
494         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
495
496         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
497         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
498         (ix86_function_value_regno_p): Declare as static, change argument
499         type to const unsigned int.
500         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
501
502 2010-05-01  Richard Guenther  <rguenther@suse.de>
503
504         PR tree-optimization/43949
505         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
506         types.
507         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
508
509 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
510
511         * rtl.h (CONST_DOUBLE_P): Define.
512         (rtx_to_double_int): Declare.
513         * emit-rtl.c (rtx_to_double_int): New function.
514         * dwarf2out.c (insert_double): New function.
515         (loc_descriptor, add_const_value_attribute): Clean up, use
516         rtx_to_double_int and insert_double functions.
517
518 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
519
520         * doc/extend.texi (Inline): Add missing return keyword to examples.
521         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
522         "command-line".
523
524 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
525
526         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
527         the variable part of the offset as well.  Use highest_pow2_factor for
528         all alignment checks.
529
530 2010-04-30  Richard Guenther  <rguenther@suse.de>
531
532         PR tree-optimization/43879
533         * tree-ssa-structalias.c (type_could_have_pointers): Functions
534         can have pointers.
535
536 2010-04-30  Jan Hubicka  <jh@suse.cz>
537
538         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
539         varpool.
540         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
541
542 2010-04-30  Jan Hubicka  <jh@suse.cz>
543
544         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
545         New.
546         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
547         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
548         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
549         cgraph_node_set_needs_ltrans_p): Remove.
550
551 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
552
553         * sdbout.c: Include vec.h, do not include varray.h.
554         (deferred_global_decls, sdbout_global_decl,
555         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
556         * toplev.c: Do not include varray.h.
557         (dump_memory_report): Do not dump VARRAY statistics.
558         * gengtype.c (open_base_file): Ignore varray.h.
559         * Makefile.in: Update for abovementioned changes.
560         Remove all traces of varray.c and varray.h.
561         * varray.c: Remove file.
562         * varray.h: Remove file.
563
564 2010-04-30  Jan Hubicka  <jh@suse.cz>
565
566         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
567         references.
568
569 2010-04-30  Jan Hubicka  <jh@suse.cz>
570
571         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
572         needed.
573
574 2010-04-30  Richard Guenther  <rguenther@suse.de>
575
576         * tree-ssa-structalias.c (get_constraint_for_1): Generate
577         constraints for CONSTRUCTOR.
578
579 2010-04-30  Richard Guenther  <rguenther@suse.de>
580
581         PR lto/43946
582         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
583         first after all lowering passes.
584
585 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
586
587         * toplev.c: Include varray.h for statistics dumping.
588         * tree.h: Do not declare varray_head_tag.
589         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
590         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
591         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
592         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
593         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
594         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
595         c-common.c, c-common.h, reg-stack.c, basic-block.h,
596         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
597         include varray.h.
598         * Makefile.in: Update for abovementioned changes.
599
600 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
601
602         PR debug/43942
603         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
604
605 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
606
607         * config/picochip/picochip.c (picochip_legitimize_address): Define.
608         Use this function to do machine-specific conversion.
609         (picochip_legitimize_reload_address): Likewise.
610         (picochip_legitimate_address_p): Check valid base register only if
611         strict.
612         (picochip_check_conditional_copy): Check for modw only if opnd is
613         register.
614         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
615         to call the function in c.
616         * config/picochip/picochip-protos.h
617         (picochip_legitimize_reload_address): Define.
618         * config/picochip/picochip.md (supported_compare1): Define.
619
620 2010-04-30  Jan Hubicka  <jh@suse.cz>
621
622         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
623         (cgraph_global_info): Remove inlined.
624         (LTO_cgraph_tag_names): Remove.
625         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
626         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
627         simplify cgraph tags and document.
628         (lto_output_node): Use only LTO_cgraph_unavail_node and
629         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
630         for_functions_valid, global info, process and output flags.
631         (input_overwrite_node): Initialize estimated stack size and
632         estimated growth.  Do not read flags we no longer store.
633         (input_node): Likewise do not read info no longer stored.
634         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
635         flag.
636
637 2010-04-30  Richard Guenther  <rguenther@suse.de>
638
639         PR tree-optimization/43879
640         * tree-ssa-structalias.c (get_constraint_for_1): Properly
641         handle non-zero initializers.
642
643 2010-04-30  Richard Guenther  <rguenther@suse.de>
644
645         * builtins.c (fold_builtin_1): Delete free (0).
646
647 2010-04-29  Jan Hubicka  <jh@suse.cz>
648
649         * gengtype.c (open_base_files): Add lto-streamer.h
650         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
651         (pass_ipa_cp): GGC collect.
652         * toplev. (compile_file): Do not output symbols.
653         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
654         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
655         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
656         * lto-section-in.c: Include ggc.h
657         (lto_new_in_decl_state): Alloc in GGC.
658         (lto_delete_in_decl_state): Likewise.
659         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
660         Collect.
661
662 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
663
664         PR target/42895
665         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
666         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
667         (HONOR_REG_ALLOC_ORDER): Describe new macro.
668         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
669         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
670         account only if HONOR_REG_ALLOC_ORDER is not defined.
671         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
672         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
673
674 2010-04-29  Jon Grant  <04@jguk.org>
675
676         * collect2.c (vflag): Change type from int to bool.
677         (debug): Likewise.
678         (helpflag): New global bool.
679         (main): Set vflag and debug with boolean, not integer truth values.
680         Accept new "--help" option and output usage text if found.
681         * collect2.h (vflag): Update prototype.
682         (debug): Likewise.
683
684 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
685
686         PR bootstrap/43936
687         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
688
689 2010-04-29  Richard Guenther  <rguenther@suse.de>
690
691         PR bootstrap/43935
692         * plugin.h (invoke_plugin_callbacks): Annotate arguments
693         with ATTRIBUTE_UNUSED.
694
695 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
696
697         PR target/43921
698         * config/i386/i386.c (get_some_local_dynamic_name): Replace
699         INSN_P with NONDEBUG_INSN_P.
700         (distance_non_agu_define): Likewise.
701         (distance_agu_use): Likewise.
702
703 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
704
705         From Dominique d'Humieres <dominiq@lps.ens.fr>
706         PR bootstrap/43858
707         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
708         test_set.
709
710 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
711
712         * plugin.h (invoke_plugin_callbacks): New inline function.
713         * plugin.c (flag_plugin_added): New global flag.
714         (add_new_plugin): Initialize above flag.
715         (invoke_plugin_callbacks): Rename to ...
716         (invoke_plugin_callbacks_full): ... this.
717
718 2010-04-28  Jan Hubicka  <jh@suse.cz>
719
720         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
721         (lto_varpool_replace_node): New.
722         (lto_symtab_resolve_symbols): Resolve varpool nodes.
723         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
724         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
725         * cgraph.h (varpool_node_ptr): New type.
726         (varpool_node_ptr): New vector.
727         (varpool_node_set_def): New structure.
728         (varpool_node_set): New type.
729         (varpool_node_set): New vector.
730         (varpool_node_set_element_def): New structure.
731         (varpool_node_set_element, const_varpool_node_set_element): New types.
732         (varpool_node_set_iterator): New type.
733         (varpool_node): Add prev pointers, add used_from_other_partition,
734         in_other_partition.
735         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
736         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
737         varpool_get_node, varpool_remove_node): Declare.
738         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
739         varpool_node_set_size): New inlines.
740         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
741         * tree-pass.h (varpool_node_set_def): Forward declare.
742         (ipa_opt_pass_d): Summary writting takes vnode sets too.
743         (ipa_write_optimization_summaries): Update prototype.
744         * ipa-cp.c (ipcp_write_summary): Update.
745         * ipa-reference.c (ipa_reference_write_summary): Update.
746         * lto-cgraph.c (lto_output_varpool_node): New static function.
747         (output_varpool): New function.
748         (input_varpool_node): New static function.
749         (input_varpool_1): New function.
750         (input_cgraph): Input varpool.
751         * ipa-pure-const.c (pure_const_write_summary): Update.
752         * lto-streamer-out.c (lto_output): Update, output varpool too.
753         (write_global_stream): Kill WPA hack.
754         (produce_asm_for_decls): Update.
755         (output_alias_pair_p): Handle variables.
756         (output_unreferenced_globals): Output only needed partition of varpool.
757         * ipa-inline.c (inline_write_summary): Update.
758         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
759         cgraph.
760         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
761         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
762         varpool_node_set_new, varpool_node_set_add,
763         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
764         debug_varpool_node_set): New functions.
765         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
766         (execute_one_pass): Process new decls too.
767         (ipa_write_summaries_2): Pass around vsets.
768         (ipa_write_summaries_1): Likewise.
769         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
770         to add.
771         (ipa_write_optimization_summaries_1): Pass around vsets.
772         (ipa_write_optimization_summaries): Likewise.
773         * varpool.c (varpool_get_node): New.
774         (varpool_node): Update doubly linked lists.
775         (varpool_remove_node): New.
776         (dump_varpool_node): More dumping.
777         (varpool_enqueue_needed_node): Update doubly linked lists.
778         (decide_is_variable_needed): Kill ltrans hack.
779         (varpool_finalize_decl): Kill lto hack.
780         (varpool_assemble_decl): Skip decls in other partitions.
781         (varpool_assemble_pending_decls): Update doubly linkes lists.
782         (varpool_empty_needed_queue): Likewise.
783         (varpool_extra_name_alias): Likewise.
784         * lto-streamer.c (lto_get_section_name): Add vars section.
785         * lto-streamer.h (lto_section_type): Update.
786         (output_varpool, input_varpool): Declare.
787
788 2010-04-28  Mike Stump  <mikestump@comcast.net>
789
790         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
791
792 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
793
794         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
795         record or union type with RECORD_OR_UNION_TYPE_P predicate.
796         (lto_input_ts_type_tree_pointers): Likewise.
797         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
798         (lto_output_ts_type_tree_pointers): Likewise.
799
800 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
801
802         Uniquization of constants at the Tree level
803         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
804         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
805         bit to the end.
806         (tree_output_constant_def): Declare.
807         * gimplify.c (gimplify_init_constructor): When using block copy, first
808         uniquize the constant constructor on the RHS.
809         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
810         DECL_IN_CONSTANT_POOL flag.
811         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
812         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
813         constant pool.
814         (assemble_variable): Deal with symbols belonging to the tree constant
815         pool.
816         (get_constant_section): Add ALIGN parameter and simplify.
817         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
818         (assemble_constant_contents): Use the expression of the VAR_DECL.
819         (output_constant_def_contents): Use the alignment of the VAR_DECL.
820         (tree_output_constant_def): New global function.
821         (mark_constant): Use the expression of the VAR_DECL.
822         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
823         its expression.
824         (output_object_block): Likewise and assemble the expression.
825
826 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
827
828         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
829         hash_tree, eq_tree): New tree hash table.
830         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
831         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
832         lto_orig_address_remove): Reimplement.
833
834 2010-04-28  Xinliang David Li  <davidxl@google.com>
835
836         PR c/42643
837         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
838         (compute_uninit_opnds_pos): New function.
839         (is_non_loop_exit_postdominating): New function.
840         (compute_control_dep_chain): New function.
841         (find_pdom): New function.
842         (convert_control_dep_chain_into_preds): New function.
843         (find_predicates): New function.
844         (find_control_equiv_block): New function.
845         (collect_phi_def_edges): New function.
846         (find_def_preds): New function.
847         (find_dom): New function.
848         (dump_predicates): New function.
849         (get_cmp_code): New function.
850         (is_value_included_in): New function.
851         (find_matching_predicate_in_rest_chains): New function.
852         (use_pred_not_overlap_with_undef_path_pred): New function.
853         (is_use_properly_guarded): New function.
854         (normalize_cond_1): New function.
855         (is_and_or_or): New function.
856         (normalize_cond): New function.
857         (is_gcond_subset_of): New function.
858         (is_subset_of_any): New function.
859         (is_or_set_subset_of): New function.
860         (is_and_set_subset_of): New function.
861         (is_norm_cond_subset_of): New function.
862         (is_pred_expr_subset_of): New function.
863         (is_pred_chain_subset_of): New function.
864         (is_included_in): New function.
865         (is_superset_of): New function.
866         (find_uninit_use): New function.
867         (warn_uninitialized_phi): New function.
868         (compute_possibly_undefined_names): New function.
869         (ssa_undefined_value_p): New function.
870         (execute_late_warn_uninitialized): New function.
871         * tree-ssa.c (ssa_undefined_value_p): Removed.
872         (warn_uninit): Changed to extern.
873         (warn_uninitialized_phi): Removed.
874         (warn_uninitialized_vars): Changed to extern.
875         (execute_late_warn_uninitialized): Removed
876         * tree-flow.h: Add new prototypes.
877         * timevar.def: Add new time variable.
878         * Makefile.in: Add new build file.
879
880 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
881
882         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
883         type if available.
884
885 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
886
887         PR target/22224
888         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
889
890 2010-04-28  Martin Jambor  <mjambor@suse.cz>
891
892         * cgraph.h (struct cgraph_node): New field indirect_calls.
893         (struct cgraph_indirect_call_info): New type.
894         (struct cgraph_edge): Removed field indirect_call. New fields
895         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
896         (cgraph_create_indirect_edge): Declare.
897         (cgraph_make_edge_direct): Likewise.
898         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
899         * ipa-prop.h (struct ipa_param_call_note): Removed.
900         (struct ipa_node_params): Removed field param_calls.
901         (ipa_create_all_structures_for_iinln): Declare.
902         * cgraph.c: Described indirect edges and uids in initial comment.
903         (cgraph_add_edge_to_call_site_hash): New function.
904         (cgraph_edge): Search also among the indirect edges, use
905         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
906         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
907         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
908         site hash.
909         (initialize_inline_failed): Assign a reason to indirect edges.
910         (cgraph_create_edge_1): New function.
911         (cgraph_create_edge): Moved some functionality to
912         cgraph_create_edge_1.
913         (cgraph_create_indirect_edge): New function.
914         (cgraph_edge_remove_callee): Add an assert checking for
915         non-indirectness.
916         (cgraph_edge_remove_caller): Special-case indirect edges.
917         (cgraph_remove_edge): Likewise.
918         (cgraph_set_edge_callee): New function.
919         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
920         (cgraph_make_edge_direct): New function.
921         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
922         the declaration of the call statement matches.
923         (cgraph_node_remove_callees): Special-case indirect edges.
924         (cgraph_clone_edge): Likewise.
925         (cgraph_clone_node): Clone also the indirect edges.
926         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
927         indirect_call, dump count of indirect_calls edges.
928         * ipa-prop.c (iinlining_processed_edges): New variable.
929         (ipa_note_param_call): Create indirect edges instead of
930         creating notes.  New parameter node.
931         (ipa_analyze_call_uses): New parameter node, pass it on to
932         ipa_note_param_call.
933         (ipa_analyze_stmt_uses): Likewise.
934         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
935         (print_edge_addition_message): Work on edges rather than on notes.
936         (update_call_notes_after_inlining): Likewise, renamed to
937         update_indirect_edges_after_inlining.
938         (ipa_create_all_structures_for_iinln): New function.
939         (ipa_free_node_params_substructures): Do not free notes.
940         (ipa_edge_duplication_hook): Propagate bits within
941         iinlining_processed_edges bitmap.
942         (ipa_node_duplication_hook): Do not duplicate notes.
943         (free_all_ipa_structures_after_ipa_cp): Renamed to
944         ipa_free_all_structures_after_ipa_cp.
945         (free_all_ipa_structures_after_iinln): Renamed to
946         ipa_free_all_structures_after_iinln.g
947         (ipa_write_param_call_note): Removed.
948         (ipa_read_param_call_note): Removed.
949         (ipa_write_indirect_edge_info): New function.
950         (ipa_read_indirect_edge_info): Likewise.
951         (ipa_write_node_info): Do not stream notes, do stream information
952         in indirect edges.
953         (ipa_read_node_info): Likewise.
954         (lto_ipa_fixup_call_notes): Removed.
955         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
956         * ipa-inline.c (pass_ipa_inline): Likewise.
957         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
958         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
959         * tree-inline.c (copy_bb): Removed an unnecessary double check for
960         is_gimple_call.
961         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
962         edges.
963         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
964         (output_cgraph): Stream also indirect edges.
965         (lto_output_edge): Added capability to stream indirect edges.
966         (input_edge): Likewise.
967         (input_cgraph_1): Likewise.
968         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
969         of indirect edges.
970
971 2010-04-28  Richard Guenther  <rguenther@suse.de>
972
973         PR tree-optimization/43879
974         PR tree-optimization/43909
975         * tree-ssa-structalias.c (struct variable_info): Add
976         only_restrict_pointers flag.
977         (new_var_info): Initialize it.  Increment stats.total_vars here.
978         (create_function_info_for): Do not increment stats.total_vars
979         here.
980         (get_function_part_constraint): Fix build with C++.
981         (insert_into_field_list): Remove.
982         (push_fields_onto_fieldstack): Properly merge fields.
983         (create_variable_info_for): Split and simplify.
984         (create_variable_info_for_1): New piece.
985         (intra_create_variable_infos): Properly make restrict constraints
986         from parameters.
987
988 2010-04-28  Richard Guenther  <rguenther@suse.de>
989
990         PR c++/43880
991         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
992
993 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
994             Jan Hubicka <hubicka@ucw.cz>
995
996         * doc/invoke.texi (-Wsuggest-attribute=const,
997         -Wsuggest-attribute=pure): Document.
998         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
999         (function_always_visible_to_compiler_p,
1000         suggest_attribute, warn_function_pure, warn_function_const):
1001         New functions.
1002         (check_call): Improve debug info.
1003         (analyze_function): Do not check availability.
1004         (add_new_function): Check availability.
1005         (propagate): Output warnings.
1006         (skip_function_for_local_pure_const): New function.
1007         (local_pure_const): Use it; output warnings.
1008         * common.opt (Wsuggest-attribute=const,
1009         Wsuggest-attribute=pure): New.
1010
1011 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1012
1013         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1014         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1015         or DW_CFA_def_cfa_offset{,_sf}.
1016
1017 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1018
1019         * tree.h: Fix truncated long macros.
1020
1021 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1022
1023         * collect2.c (TARGET_64BIT): Redefine to target's default.
1024         * tlink.c: Likewise.
1025         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1026         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1027         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1028         for underscoring __USER_LABEL_PREFIX__.
1029         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1030         (SUB_LINK_ENTRY32): New.
1031         (SUB_LINK_ENTRY64): New.
1032         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1033         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1034         (SUB_LINK_ENTRY64): New.
1035         (SUB_LINK_ENTRY): New.
1036         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1037         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1038         x64 target is choosen.
1039         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1040         * configure: Regenerated.
1041         * configure.ac (leading-mingw64-underscores): Option added.
1042
1043 2010-04-27  Jan Hubicka  <jh@suse.cz>
1044
1045         * doc/invoke.texi (-fipa-profile): Document.
1046         * opts.c (decode_options): Enable ipa-profile at -O1.
1047         * timevar.def (TV_IPA_PROFILE): Define.
1048         * common.opt (fipa-profile): Add.
1049         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1050         flag for clones.
1051         (cgraph_propagate_frequency): Handle only local ones.
1052         * tree-pass.h (pass_ipa_profile): Declare.
1053         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1054         (pass_ipa_profile): Use TV_IPA_PROFILE.
1055         * ipa.c (ipa_profile): New function.
1056         (gate_ipa_profile): Likewise.
1057         (pass_ipa_profile): New global variable.
1058         * passes.c (pass_ipa_profile): New.
1059
1060 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1061
1062         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1063
1064 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1065
1066         PR middle-end/43812
1067         * ipa.c (dissolve_same_comdat_group_list): New function.
1068         (function_and_variable_visibility): Call
1069         dissolve_same_comdat_group_list when comdat group contains external or
1070         newly local nodes.
1071         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1072         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1073
1074 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1075
1076         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1077         (const_hash_1) <VECTOR_CST>: New case.
1078         (compare_constant) <VECTOR_CST>: Likewise.
1079         <ADDR_EXPR>: Deal with LABEL_REFs.
1080         (copy_constant) <VECTOR_CST>: New case.
1081
1082 2010-04-27  Jan Hubicka  <jh@suse.cz>
1083
1084         * cgraph.c (cgraph_propagate_frequency): New function.
1085         * cgraph.h (cgraph_propagate_frequency): Declare.
1086         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1087         cgraph_propagate_frequency.
1088
1089 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1090
1091         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1092
1093 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1094
1095         PR target/40657
1096         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1097         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1098         here to determine which regs to push and how much stack to reserve.
1099
1100 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1101
1102         * doc/gimple.texi (gimple_statement_with_ops): Remove
1103         addresses_taken field.
1104         (gimple_statement_with_memory_ops): Likewise.
1105
1106 2010-04-27  Jan Hubicka  <jh@suse.cz>
1107
1108         * tree-inline.c (eni_inlining_weights): Remove.
1109         (estimate_num_insns): Special case more builtins.
1110
1111 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1112
1113         PR c/32207
1114         * c-typeck.c (build_binary_op): Move forward check for comparison
1115         pointer with null pointer constant and adjust the diagnostic message.
1116
1117 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1118
1119         PR lto/42776
1120         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1121         binutils supports extended .section directive needed by LTO, or
1122         warn if older binutils found.
1123         (LTO_BINARY_READER): New AC_SUBST'd variable.
1124         (LTO_USE_LIBELF): Likewise.
1125         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1126         variable.
1127         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1128         (LTO_USE_LIBELF): Likewise.
1129         * configure: Regenerate.
1130
1131         * collect2.c (is_elf): Rename from this ...
1132         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1133          object files in addition to ELF-formatted ones.
1134         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1135         symbol to be prefixed or not by an extra underscore.
1136
1137         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1138         * config/i386/winnt.c: Also #include lto-streamer.h
1139         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1140         LTO named sections.
1141         (i386_pe_asm_output_aligned_decl_common): Add comment.
1142         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1143
1144 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1145
1146         PR target/43889
1147         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1148         Add missing earlyclobber for second alternative.
1149
1150 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1151
1152         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1153         bits for artificial defs at the top of the block.
1154         * fwprop.c (single_def_use_enter_block): Don't call it.
1155
1156 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1157
1158         PR 43715
1159         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1160         instead of "$gcc_cv_objdump -T".
1161         Use "-undefined dynamic_lookup" on darwin.
1162         * gcc/configure: Regenerate.
1163
1164 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1165
1166         PR c/43893
1167         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1168
1169 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1170
1171         * c-parser.c (struct c_token): Move location field up.
1172         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1173         (struct c_declspecs): Convert typespec_word, storage_class, and
1174         default_int_p into bitfields.
1175         (struct c_declarator): Move loc field up.
1176
1177 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1178
1179         * cfgloop.h (struct loop): Move can_be_parallel field up.
1180         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1181         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1182         down.
1183         (struct iv_cand): Convert pos field into a bitfield.
1184         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1185         field up.
1186         (struct _stmt_vec_info): Shuffle fields for better packing.
1187
1188 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1189
1190         * varasm.c (IN_NAMED_SECTION): Remove guard.
1191         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1192         (IN_NAMED_SECTION_P): ...this.
1193         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1194         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1195
1196 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1197
1198         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1199         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1200         of shadowing it.  Fix comments.
1201
1202 2010-04-26  Jan Hubicka  <jh@suse.cz>
1203
1204         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1205         (cgraph_clone_node): Copy function frequency.
1206         * cgraph.h (node_frequency): New enum
1207         (struct cgraph_node): Add.
1208         * final.c (rest_of_clean_state): Update.
1209         * lto-cgraph.c (lto_output_node): Output node frequency.
1210         (input_overwrite_node): Input node frequency.
1211         * tre-ssa-loop-ivopts (computation_cost): Update.
1212         * lto-streamer-out.c (output_function): Do not output function
1213         frequency.
1214         * predict.c (maybe_hot_frequency_p): Update and handle functions
1215         executed once.
1216         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1217         attribute lookup.
1218         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1219         (compute_function_frequency): Set noreturn functions to be executed
1220         once.
1221         (choose_function_section): Update.
1222         * lto-streamer-in.c (input_function): Do not input function frequency.
1223         * function.c (allocate_struct_function): Do not initialize function
1224         frequency.
1225         * function.h (function_frequency): Remove.
1226         (struct function): Remove function frequency.
1227         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1228         (try_update): Update.
1229         * tree-inline.c (initialize_cfun): Do not update function frequency.
1230         * passes.c (pass_init_dump_file): Update.
1231         * i386.c (ix86_compute_frame_layout): Update.
1232         (ix86_pad_returns): Update.
1233
1234 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1235
1236         PR tree-optimization/43833
1237         * tree-vrp.c (range_int_cst_p): New.
1238         (range_int_cst_singleton_p): New.
1239         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1240         when both operands are constants.  Use range_int_cst_p in
1241         BIT_IOR_EXPR case.
1242
1243 2010-04-26  Jan Hubicka  <jh@suse.cz>
1244
1245         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1246
1247 2010-04-26  Richard Guenther  <rguenther@suse.de>
1248
1249         PR lto/43080
1250         * gimple.c (gimple_decl_printable_name): Deal gracefully
1251         with a NULL DECL_NAME.
1252
1253 2010-04-26  Richard Guenther  <rguenther@suse.de>
1254
1255         PR lto/42425
1256         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1257         if emitting debug information and it is either a function
1258         or a namespace decl.
1259
1260 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1261
1262         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1263         determine if the statement is vectorizable, and a macro to access it.
1264         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1265         Skip statements that can't be vectorized. If the analysis fails,
1266         mark the statement as unvectorizable if vectorizing basic block.
1267         (vect_compute_data_refs_alignment): Likewise.
1268         (vect_verify_datarefs_alignment): Skip statements marked as
1269         unvectorizable. Add print.
1270         (vect_analyze_group_access): Skip statements that can't be
1271         vectorized. If the analysis fails, mark the statement as
1272         unvectorizable if vectorizing basic block.
1273         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1274         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1275         generated stmts for SLP.
1276         (new_stmt_vec_info): Initialize the new field.
1277         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1278         statements marked as unvectorizable.
1279
1280 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1281
1282         * c-common.c (flag_isoc1x): New.
1283         (flag_isoc99): Update comment.
1284         * c-common.h (flag_isoc1x): New.
1285         (flag_isoc99): Update comment.
1286         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1287         __<type>_DECIMAL_DIG__.
1288         * c-opts.c (set_std_c1x): New.
1289         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1290         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1291         * c.opt (-std=c1x, -std=gnu1x): New options.
1292         * doc/cpp.texi: Mention -std=c1x.
1293         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1294         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1295         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1296         * doc/standards.texi: Mention C1X.
1297         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1298         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1299         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1300         Define for C1X.
1301
1302 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1303
1304         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1305         placeholder from 0x%x to %#x.
1306         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1307         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1308         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1309         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1310         * config/i386/i386.c (ix86_target_string): Ditto.
1311         (output_pic_addr_const): Ditto.
1312         (print_operand): Ditto.
1313
1314 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1315
1316         * combine.c (find_split_point): Add third argument.  Use it
1317         to find nested multiply-accumulate instructions.  Adjust calls.
1318         (try_combine): Adjust call to find_split_point.
1319
1320 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1321
1322         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1323
1324 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1325
1326         PR tree-optimization/41442
1327         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1328         (fold_binary_loc): Call it.
1329
1330 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1331
1332         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1333         * opts.c (common_handle_option): Allow disabling it.
1334         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1335
1336 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1337
1338         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1339         between modes if both types are integral.
1340
1341 2010-04-23  Richard Guenther  <rguenther@suse.de>
1342
1343         PR tree-optimization/43572
1344         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1345
1346 2010-04-23  Richard Guenther  <rguenther@suse.de>
1347
1348         PR lto/43455
1349         * tree-inline.c (tree_can_inline_p): Also check compatibility
1350         of return types.
1351
1352 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1353
1354         PR tree-optimization/43846
1355         * tree-sra.c (struct access): New flag grp_assignment_read.
1356         (build_accesses_from_assign): Set grp_assignment_read.
1357         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1358         (enum mark_read_status): New type.
1359         (analyze_access_subtree): Propagate grp_assignment_read, create
1360         accesses also if both direct_read and root->grp_assignment_read.
1361
1362 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1363
1364         PR middle-end/43835
1365         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1366         function does not have type attributes.
1367
1368 2010-04-23  Richard Guenther  <rguenther@suse.de>
1369
1370         PR lto/42653
1371         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1372         of FUNCTION_DECLs.
1373
1374 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1375
1376         * sese.h (create_if_region_on_edge): Remove.
1377
1378         * sese.c (create_if_region_on_edge): Make static.
1379
1380         * tree-inline.c: Do not include ggc.h.
1381
1382         * expr.c: Do not include ggc.h.
1383
1384         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1385         dependencies.
1386
1387 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1388
1389         PR target/43744
1390         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1391         in the middle of insns for casesi_worker_2.
1392
1393 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1394
1395         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1396
1397 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1398
1399         PR tree-optimization/43842
1400         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1401         loop unrolling in update of exit phis. Fix comment.
1402         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1403         least two reduction statements in the loop before starting SLP
1404         analysis.
1405
1406 2010-04-22  Nick Clifton  <nickc@redhat.com>
1407
1408         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1409
1410 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1411
1412         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1413         to simplify a + ~a.
1414
1415 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1416
1417         * tree-parloops.c (loop_parallel_p): New argument
1418         parloop_obstack.  Pass it down.
1419         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1420         pass it down, free it.
1421
1422         * tree-loop-linear.c (linear_transform_loops): Pass down
1423         lambda_obstack.
1424
1425         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1426         of type struct obstack *.
1427
1428         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1429         scratch_obstack.  Initialize it, pass down, free it.
1430
1431         * lambda.h (lambda_loop_new): Remove.
1432         (lambda_matrix_new, lambda_matrix_inverse)
1433         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1434         argument of type struct obstack *.
1435
1436         * lambda-trans.c (lambda_trans_matrix_new): New argument
1437         lambda_obstack.  Pass it down, use obstack allocation for ret.
1438         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1439         it down.
1440
1441         * lambda-mat.c (lambda_matrix_get_column)
1442         (lambda_matrix_project_to_null): Remove.
1443         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1444         allocation for mat.
1445         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1446         lambda_obstack.
1447
1448         * lambda-code.c (lambda_loop_new): New function.
1449         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1450         (lambda_compute_auxillary_space, lambda_compute_target_space)
1451         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1452         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1453         (build_access_matrix): New argument lambda_obstack.  Use obstack
1454         allocation for am.
1455         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1456         argument lambda_obstack.  Pass it down.
1457
1458 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1459
1460         * optabs.h (expand_widening_mult): Declare.
1461
1462 2010-04-22  Richard Guenther  <rguenther@suse.de>
1463
1464         PR tree-optimization/43845
1465         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1466         lookup the CALL_EXPR function and arguments.
1467
1468 2010-04-22  Nick Clifton  <nickc@redhat.com>
1469
1470         * config/stormy16/stormy16.c
1471         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1472         * config/stormy16/stormy16.h: Tidy up formatting.
1473         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1474         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1475         (ineqbranchsi): Delete pattern.
1476         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1477         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1478         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1479         stormy16-lib2-ucmpsi2.c.
1480
1481 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1482
1483         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1484         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1485         extra set merge_set_noclobber, and use it to relax the final test
1486         slightly.
1487         * df.h (df_simulate_find_noclobber_defs): Declare.
1488         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1489         conditional defs.
1490         (df_simulate_find_noclobber_defs): New function.
1491
1492 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1493
1494         * config/i386/i386.md: Use {} around multi-line preparation statements.
1495
1496 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1497
1498         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1499         (process_init_element): New argument of type struct obstack *.
1500
1501         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1502         (set_init_index, set_init_label, set_nonincremental_init)
1503         (set_nonincremental_init_from_string, find_init_member)
1504         (output_init_element, output_pending_init_elements)
1505         (process_init_element): New argument braced_init_obstack.  Pass it
1506         down.
1507         (push_range_stack, add_pending_init): New argument
1508         braced_init_obstack.  Use obstack allocation.
1509
1510         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1511         braced_init_obstack.  Pass it down.
1512         (c_parser_braced_init): New variables ret, braced_init_obstack.
1513         Initialize obstack, pass it down and finally free it.
1514
1515 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1516
1517         PR middle-end/29274
1518         * tree-pass.h (pass_optimize_widening_mul): Declare.
1519         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1520         gate_optimize_widening_mul): New static functions.
1521         (pass_optimize_widening_mul): New.
1522         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1523         <case MULT_EXPR>: Remove support for widening multiplies.
1524         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1525         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1526         simplify_gen_unary rather than directly building extensions.
1527         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1528         WIDEN_MULT_EXPR.
1529         * expmed.c (expand_widening_mult): New function.
1530         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1531
1532 2010-04-21  Jan Hubicka  <jh@suse.cz>
1533
1534         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1535         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1536         * lto-wpa-fixup.c: Remove.
1537         * Makefile.in (lto-wpa-fixup.o): Remove.
1538         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1539         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1540         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1541
1542 2010-04-21  Jan Hubicka  <jh@suse.cz>
1543
1544         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1545         add write_optimization_summary, read_optimization_summary.
1546         (ipa_write_summaries_of_cgraph_node_set): Remove.
1547         (ipa_write_optimization_summaries): Declare.
1548         (ipa_read_optimization_summaries): Declare.
1549         * ipa-cp.c (pass_ipa_cp): Update.
1550         * ipa-reference.c (pass_ipa_reference): Update.
1551         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1552         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1553         Update.
1554         * ipa-inline.c (pass_ipa_inline): Update.
1555         * ipa.c (pass_ipa_whole_program): Update.
1556         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1557         * passes.c (ipa_write_summaries_1): Do not test wpa.
1558         (ipa_write_optimization_summaries_1): New.
1559         (ipa_write_optimization_summaries): New.
1560         (ipa_read_summaries): Do not test ltrans.
1561         (ipa_read_optimization_summaries_1): New.
1562         (ipa_read_optimization_summaries): New.
1563
1564 2010-04-21  Jan Hubicka  <jh@suse.cz>
1565
1566         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1567         for boundary nodes.
1568         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1569
1570 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1571
1572         PR debug/40040
1573         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1574         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1575
1576 2010-04-21  Jan Hubicka  <jh@suse.cz>
1577
1578         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1579
1580 2010-04-21  Jan Hubicka  <jh@suse.cz>
1581
1582         * varpool.c (decide_is_variable_needed): Variable is always needed
1583         during ltrans.
1584
1585 2010-04-21  Jan Hubicka  <jh@suse.cz>
1586
1587         * opts.c (decode_options): Enable pure-const pass for whopr.
1588
1589 2010-04-21  Jan Hubicka  <jh@suse.cz>
1590
1591         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1592         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1593         at WPA dumping.
1594         (cgraph_decide_inlining): Do not expect callee to be removed in all
1595         cases.
1596
1597 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1598
1599         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1600
1601 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1602
1603         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1604         amdfam10_decode attributes.
1605
1606 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1607
1608         PR middle-end/43570
1609         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1610         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1611         (lower_copyprivate_clauses): Use private var in outer
1612         context instead of original var.  Make sure the types
1613         are correct for VLAs.
1614
1615 2010-04-21  Richard Guenther  <rguenther@suse.de>
1616
1617         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1618         to non-pointer objects.
1619
1620 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1621
1622         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1623         last chain entry if it starts with the still current label.
1624         (add_location_or_const_value_attribute): Check that
1625         loc_list->first->next is NULL instead of comparing ->first with ->last.
1626         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1627         to add_var_loc_to_decl.
1628
1629         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1630         >= 4 add also address size and segment size fields into CIE header.
1631
1632         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1633         long as address size is the same as sizeof (void *) and
1634         segment size is 0.
1635         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1636         address size or segment size is unexpected, return DW_EH_PE_omit.
1637         (classify_object_over_fdes): If get_cie_encoding returned
1638         DW_EH_PE_omit, return -1.
1639         (init_object): If classify_object_over_fdes returned -1,
1640         pretend there were no FDEs at all.
1641
1642 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1643
1644         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1645         bswap{si,di}2 using SWI48 mode iterator.
1646         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1647         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1648         set modrm attribute of bswap insn to 0 and remove length attribute.
1649         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1650         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1651         set mode attribute to <MODE> and remove length attribute.
1652
1653 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1654
1655         PR rtl-optimization/43520
1656         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1657         zero available registers.
1658
1659 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1660
1661         * builtins.c (fold_builtin_cproj): Fold more cases.
1662
1663 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1664
1665         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1666         (fold_builtin_1): Fold builtin cproj.
1667         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1668         Use ATTR_CONST_NOTHROW_LIST.
1669
1670 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1671
1672         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1673         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1674         ffsi2_no_cmove for !TARGET_CMOVE.
1675         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1676         (ffssi2): Remove expander.
1677         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1678         mode iterator.
1679         (ctz<mode>2): Ditto from ctz{si,di}2.
1680         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1681         mode iterator.
1682         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1683         mode iterator.
1684
1685 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1686
1687         * dwarf2out.c (AT_linkage_name): Define.
1688         (clone_as_declaration): Handle DW_AT_linkage_name.
1689         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1690         of DW_AT_MIPS_linkage_name.
1691         (move_linkage_attr): Likewise.
1692         (dwarf2out_finish): Likewise.
1693
1694 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1695
1696         PR middle-end/41952
1697         * fold-const.c (fold_comparison): New folding rule.
1698
1699 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1700
1701         * double-int.h (double_int_setbit): Declare.
1702         * double-int.c (double_int_setbit): New function.
1703         * rtl.h (immed_double_int_const): Declare.
1704         * emit-rtl.c (immed_double_int_const): New function.
1705         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1706         and immed_double_int_const functions.
1707         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1708         expand_copysign_bit):  (Ditto.).
1709         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1710         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1711         * dojump.c (prefer_and_bit_test): (Ditto.).
1712         * expr.c (convert_modes, reduce_to_bit_field_precision,
1713         const_vector_from_tree): (Ditto.).
1714         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1715
1716 2010-04-20  Jan Hubicka  <jh@suse.cz>
1717
1718         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1719         (dump_cgraph_node): Dump new flags.
1720         * cgraph.h (struct cgraph_node): Add flags
1721         reachable_from_other_partition and in_other_partition.
1722         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1723         other partition can not be removed.
1724         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1725         the other partition must be output; silence sanity checking on
1726         leaking functions bodies from other paritition.
1727         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1728         (lto_output_node): Output new flags; do not sanity check that inline
1729         clones are output; drop lto_forced_extern_inline_p code; do not mock
1730         visibility flags at partition boundaries.
1731         (add_node_to): New function.
1732         (output_cgraph): Use it to sort functions so masters appear before
1733         clones.
1734         (input_overwrite_node): Input new flags.
1735         * passes.c (ipa_write_summaries): Do not call
1736         lto_new_extern_inline_states.
1737         * lto-section-out.c (forced_extern_inline,
1738         lto_new_extern_inline_states lto_delete_extern_inline_states,
1739         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1740         * lto-streamer.h (lto_new_extern_inline_states,
1741         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1742         lto_forced_extern_inline_p): Kill.
1743
1744 2010-04-20  Richard Guenther  <rguenther@suse.de>
1745
1746         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1747         from vars that can have pointers.
1748         (process_constraint): Dump useless constraints.
1749
1750 2010-04-20  Richard Guenther  <rguenther@suse.de>
1751
1752         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1753         (dump_sa_points_to_info): Remove asserts.
1754         (init_base_vars): nothing_id isn't an escape point nor does it
1755         have pointers.
1756
1757 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1758
1759         * tree.h (TYPE_REF_IS_RVALUE): Define.
1760         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1761         should_move_die_to_comdat, prune_unused_types_walk): Handle
1762         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1763         (modified_type_die, gen_reference_type_die): Emit
1764         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1765         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1766
1767 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1768
1769         PR target/43635
1770         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1771         calls for -fpic -m31 if they have been sibcall optimized.
1772
1773 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1774
1775         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1776         ar.lc fixed and call-used.
1777
1778         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1779
1780 2010-04-19  Jan Hubicka  <jh@suse.cz>
1781
1782         * opts.c (decode_options): Disable whpr incompatible passes.
1783         * lto/lto.c (lto_1_to_1_map): Skip clones.
1784         (read_cgraph_and_symbols): Do not mark everything as needed.
1785         (do_whole_program_analysis): Do map only after optimizing;
1786         set proper cgraph_state; use passmanager.
1787
1788 2010-04-19  DJ Delorie  <dj@redhat.com>
1789
1790         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1791         POINTER_PLUS_EXPR and fix them.
1792
1793 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1794
1795         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1796         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1797         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1798         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1799         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1800         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1801         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1802         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1803         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1804         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1805         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1806
1807 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1808
1809         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1810         (check_cond_move_block): Likewise.
1811         (cond_move_process_if_block): Likewise.
1812         (noce_find_if_block): Improve formatting.
1813         (find_if_header): Pass 0 to memset and tweak conditions.
1814         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1815
1816 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1817
1818         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1819         for -gdwarf-4.
1820
1821         PR middle-end/43337
1822         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1823         with non-local decl doesn't need chain.
1824
1825 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1826
1827         * ira-color.c (allocno_reload_assign): Avoid accumulating
1828         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1829
1830 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1831
1832         * gimple.h (create_tmp_reg): Declare.
1833         * gimplify.c (create_tmp_reg): New function.
1834         (gimplify_return_expr): Use create_tmp_reg.
1835         (gimplify_omp_atomic): Likewise.
1836         (gimple_regimplify_operands): Likewise.
1837         * tree-dfa.c (make_rename_temp): Likewise.
1838         * tree-predcom.c (predcom_tmp_var): Likewise.
1839         (reassociate_to_the_same_stmt): Likewise.
1840         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1841         (get_replaced_param_substitute): Likewise.
1842         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1843         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1844         * tree-ssa-pre.c (get_representative_for): Likewise.
1845         (create_expression_by_pieces): Likewise.
1846         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1847         (create_tailcall_accumulator): Likewise.
1848
1849 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1850
1851         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1852         new_stmt.
1853         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1854
1855 2010-04-19  Richard Guenther  <rguenther@suse.de>
1856
1857         PR tree-optimization/43796
1858         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1859         from SCEV in the lattice.
1860         (vrp_visit_phi_node): Dump change.
1861
1862 2010-04-19  Richard Guenther  <rguenther@suse.de>
1863
1864         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1865         * configure: Re-generated.
1866
1867 2010-04-19  Richard Guenther  <rguenther@suse.de>
1868
1869         PR tree-optimization/43783
1870         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1871         constant ARRAY_REF operands two and three if possible.
1872
1873 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1874
1875         PR target/43766
1876         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1877
1878 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1879
1880         PR target/43662
1881         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1882
1883 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1884
1885         PR tree-optimization/37027
1886         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1887         and macro to access it.
1888         (vectorizable_reduction): Add argument.
1889         (vect_get_slp_defs): Likewise.
1890         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1891         statements for possible use in SLP.
1892         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1893         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1894         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1895         add new argument.
1896         (vectorizable_reduction): Likewise.
1897         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1898         vect_get_slp_defs.
1899         (vectorizable_type_demotion, vectorizable_type_promotion,
1900         vectorizable_store): Likewise.
1901         (vect_analyze_stmt): Update call to vectorizable_reduction.
1902         (vect_transform_stmt): Likewise.
1903         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1904         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1905         from different interleaving chains in same node.
1906         (vect_slp_rearrange_stmts): New function.
1907         (vect_supported_load_permutation_p): Allow load permutations for
1908         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1909         inside SLP nodes if necessary.
1910         (vect_analyze_slp_instance): Handle reductions.
1911         (vect_analyze_slp): Try to build SLP instances originating from groups
1912         of reductions.
1913         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1914         (vect_get_constant_vectors): Create initial vectors for reductions
1915         according to reduction code. Add new argument.
1916         (vect_get_slp_defs): Add new argument, pass it to
1917         vect_get_constant_vectors.
1918         (vect_schedule_slp_instance): Remove SLP tree root statements.
1919
1920 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1921
1922         * tree.h (ENUM_IS_SCOPED): Define.
1923         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1924         for ENUM_IS_SCOPED enums.
1925
1926 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1927
1928         * fold-const.c (fold_comparison): Use ssizetype.
1929         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1930         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1931         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1932         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1933
1934         * tree.h (initialize_sizetypes): Remove parameter.
1935         (build_common_tree_nodes): Remove second parameter.
1936         * stor-layout.c (initialize_sizetypes): Remove parameter.
1937         Always create an unsigned type.
1938         (set_sizetype): Assert that the passed type is unsigned and simplify.
1939         * tree.c (build_common_tree_nodes): Remove second parameter.
1940         Adjust call to initialize_sizetypes.
1941         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1942         build_common_tree_nodes.
1943
1944 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1945
1946         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1947
1948 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1949
1950         PR tree-optimization/43771
1951         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1952         load permutation doesn't have gaps.
1953
1954 2010-04-18  Jan Hubicka  <jh@suse.cz>
1955
1956         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1957         (sse_prologue_save_insn expander): Use new pattern.
1958         (sse_prologue_save_insn1): New pattern and splitter.
1959         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1960         blocks.
1961         * i386.c (setup_incoming_varargs_64): Do not compute jump
1962         destination here.
1963         (ix86_gimplify_va_arg): Update alignment needed.
1964         (ix86_local_alignment): Do not align all local arrays to 128bit.
1965
1966 2010-04-17  Jan Hubicka  <jh@suse.cz>
1967
1968         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1969
1970 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1971
1972         * arm.md (negdi2): Remove redundant code to force values into a
1973         register.
1974
1975 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1976
1977         * arm/bpabi.S: Add EABI alignment attributes to objects.
1978         * arm/bpabi-v6m.S: Likewise.
1979         * arm/crti.asm: Likewise.
1980         * arm/crtn.asm: Likewise.
1981         * arm/lib1funcs.asm: Likewise.
1982         * arm/libunwind.S: Likewise.
1983
1984 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1985
1986         * arm-protos.h (tune_params): New structure.
1987         * arm.c (current_tune): New variable.
1988         (arm_constant_limit): Delete.
1989         (struct processors): Add pointer to the tune parameters.
1990         (arm_slowmul_tune): New tuning option.
1991         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1992         (all_cores): Adjust to pick up the tuning model.
1993         (arm_constant_limit): New function.
1994         (arm_override_options): Select the appropriate tuning model.  Delete
1995         initialization of arm_const_limit.
1996         (arm_split_constant): Use the new constant-limit model.
1997         (arm_rtx_costs): Pick up the current tuning model.
1998         * arm.md (is_strongarm, is_xscale): Delete.
1999         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2000         for Xscale variant architectures.
2001         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2002
2003 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2004
2005         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2006         can_shift.
2007         (arm_rtx_costs_1): Remove unused variable extra_cost.
2008         (arm_unwind_emit_set): Use variable offset.
2009         (thumb1_output_casesi): Remove unused variable flags.
2010
2011 2010-04-16  Jeff Law  <law@redhat.com>
2012
2013         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2014         needing assignment rather than doing a two-phase assignment.  Remove
2015         unused variable 'm'.
2016
2017 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2018
2019         PR bootstrap/43767
2020         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2021
2022 2010-04-16  Doug Kwan  <dougkwan@google.com>
2023
2024         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2025         (next_operand_entry_id): New static variable.
2026         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2027         (add_to_ops_vec): Assigned unique ID to operand entry.
2028         (struct oecount_s): New field ID.
2029         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2030         (undistribute_ops_list): Assign unique IDs to oecounts.
2031         (init_reassoc): reset next_operand_entry_id.
2032
2033 2010-04-16  Doug Kwan  <dougkwan@google.com>
2034
2035         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2036         missing left parenthesis.
2037
2038 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2039
2040         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2041         *btdi_rex64 using SWI48 mode iterator.
2042         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2043         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2044         *jcc_btdi_mask_rex64.
2045
2046 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2047
2048         * double-int.h (tree_to_double_int): Convert to macro.
2049         * double-int.c (tree_to_double_int): Remove.
2050
2051 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2052
2053         PR debug/43762
2054         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2055         with want_address 2 and in case a single element list might be
2056         possible, call it again with want_address 0.
2057
2058 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2059
2060         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2061         case 'W' print operands for HI mode.
2062         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2063         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2064         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2065         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2066
2067         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2068
2069         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2070         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2071         #xx:3 and #xx:4 mode.
2072
2073         * config/h8300/h8300.md (inverted load with HImode dest): Add
2074         support for H8300SX.
2075
2076         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2077         satisfy 'U' constraint.
2078
2079 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2080
2081         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2082         * configure: Regenerate.
2083         * config.in: Regenerate.
2084         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2085         works.
2086
2087 2010-04-16  Richard Guenther  <rguenther@suse.de>
2088
2089         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2090         (struct tree_decl_common): ... here.
2091         (DECL_PT_UID): Adjust.
2092         (SET_DECL_PT_UID): Likewise.
2093         (DECL_PT_UID_SET_P): Likewise.
2094
2095 2010-04-16  Richard Guenther  <rguenther@suse.de>
2096
2097         PR tree-optimization/43572
2098         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2099         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2100         * tree-flow.h (is_call_clobbered): Remove.
2101         * tree-flow-inline.h (is_call_clobbered): Likewise.
2102         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2103         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2104         (execute_return_slot_opt): Adjust.
2105         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2106         check for call clobbered vars here.
2107         (find_tail_calls): Move tailcall verification to the
2108         proper place.
2109
2110 2010-04-16  Diego Novillo  <dnovillo@google.com>
2111
2112         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2113
2114 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2115
2116         PR target/40603
2117         * config/arm/arm.md (cbranchqi4): New pattern.
2118         * config/arm/predicates.md (const0_operand,
2119         cbranchqi4_comparison_operator): New predicates.
2120
2121 2010-04-16  Richard Guenther  <rguenther@suse.de>
2122
2123         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2124         (dump_gimple_stmt): Likewise.
2125
2126 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2127
2128         * recog.h (struct recog_data): New field is_operator.
2129         (struct insn_operand_data): New field is_operator.
2130         * recog.c (extract_insn): Set recog_data.is_operator.
2131         * genoutput.c (output_operand_data): Emit code to set the
2132         is_operator field.
2133         * reload.c (find_reloads): Use it rather than testing for an
2134         empty constraint string.
2135
2136         PR target/41514
2137         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2138         If the previous insn is a cbranchsi4_insn with the same arguments,
2139         omit the compare instruction.
2140
2141         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2142         register, inputs must be low registers and we need a low register
2143         scratch.  Handle alternative 2 like alternative 3.
2144
2145 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2146
2147         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2148         don't call get_addr on both.  If one expression is a VALUE and
2149         the other a REG, check VALUE's locs if the REG isn't among them.
2150
2151 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2152
2153         * config/sh/sh.h (sh_frame_pointer_required): New function.
2154         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2155         (flag_omit_frame_pointer) Set.
2156         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2157         (rounded_frame_size): Adjust size with outgoing_args_size.
2158         (sh_set_return_address): Must return from stack pointer.
2159         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2160         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2161         (ACCUMULATE_OUTGOING_ARGS): Define.
2162         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2163         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2164
2165 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2166
2167         PR target/43471
2168         * config/sh/sh.c (sh_legitimize_reload_address): Use
2169         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2170         Remove a unneeded check for offset_base.
2171
2172 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2173
2174         * configure: Regenerated.
2175
2176 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2177
2178         * config/s390/s390.c (s390_call_save_register_used): Switch back
2179         to HARD_REGNO_NREGS.
2180
2181 2010-04-15  Richard Guenther  <rguenther@suse.de>
2182
2183         * alias.c (alias_set_subset_of): Handle alias-set zero
2184         child properly.
2185
2186 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2187             Julian Brown  <julian@codesourcery.com>
2188
2189         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2190         alternatives according to use of high and low regs.
2191         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2192         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2193         optimizing for size on Thumb-2.
2194
2195 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2196
2197         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2198
2199 2010-04-15  Richard Guenther  <rguenther@suse.de>
2200
2201         * tree-ssa-structalias.c (struct variable_info): Add
2202         is_fn_info flag.
2203         (new_var_info): Initialize it.
2204         (dump_constraints): Support printing last added constraints.
2205         (debug_constraints): Adjust.
2206         (dump_constraint_graph): Likewise.
2207         (make_heapvar_for): Check for NULL cfun.
2208         (get_function_part_constraint): New function.
2209         (get_fi_for_callee): Likewise.
2210         (find_func_aliases): Properly implement IPA PTA constraints.
2211         (process_ipa_clobber): New function.
2212         (find_func_clobbers): Likewise.
2213         (insert_into_field_list_sorted): Remove.
2214         (create_function_info_for): Properly allocate vars for IPA mode.
2215         Do not use insert_into_field_list_sorted.
2216         (create_variable_info_for): Properly generate constraints for
2217         global vars in IPA mode.
2218         (dump_solution_for_var): Always dump the solution.
2219         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2220         (find_what_var_points_to): Adjust.
2221         (pt_solution_set): Change.
2222         (pt_solution_ior_into): New function.
2223         (pt_solution_empty_p): Export.
2224         (pt_solution_includes_global): Adjust.
2225         (pt_solution_includes_1): Likewise.
2226         (pt_solutions_intersect_1): Likewise.
2227         (dump_sa_points_to_info): Check some invariants.
2228         (solve_constraints): Move constraint dumping ...
2229         (compute_points_to_sets): ... here.
2230         (ipa_pta_execute): ... and here.
2231         (compute_may_aliases): Do not re-compute points-to info
2232         locally if IPA info is available.
2233         (ipa_escaped_pt): New global var.
2234         (ipa_pta_execute): Properly implement IPA PTA.
2235         * tree-into-ssa.c (dump_decl_set): Support dumping
2236         decls not in referenced-vars.
2237         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2238         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2239         (dump_points_to_solution): Likewise.
2240         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2241         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2242         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2243         (copy_decl_to_var): Copy DECL_PT_UID.
2244         (copy_result_decl_to_var): Likewise.
2245         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2246         (copy_node_stat): Copy it.
2247         * tree.h (DECL_PT_UID): New macro.
2248         (SET_DECL_PT_UID): Likewise.
2249         (DECL_PT_UID_SET_P): Likewise.
2250         (struct tree_decl_minimal): Add pt_uid member.
2251         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2252         (pt_solution_empty_p): Declare.
2253         (pt_solution_set): Adjust.
2254         (ipa_escaped_pt): Declare.
2255         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2256         * gimple-pretty-print.c (pp_points_to_solution): New function.
2257         (dump_gimple_call): Dump call clobber/use information.
2258         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2259         * tree-pass.h (TDF_ALIAS): New dump option.
2260         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2261         * doc/invoke.texi (-fipa-pta): Update documentation.
2262
2263 2010-04-15  Richard Guenther  <rguenther@suse.de>
2264
2265         * Makefile.in (OBJS-common): Add gimple-fold.o.
2266         (gimple-fold.o): New rule.
2267         * tree.h (maybe_fold_offset_to_reference,
2268         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2269         prototypes ...
2270         * gimple.h: ... here.
2271         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2272         may_propagate_address_into_dereference): Move prototypes ...
2273         * gimple.h: ... here.
2274         * tree-ssa-ccp.c (get_symbol_constant_value,
2275         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2276         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2277         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2278         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2279         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2280         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2281         gimplify_and_update_call_from_tree): Move ...
2282         * gimple-fold.c: ... here.  New file.
2283         (ccp_fold_builtin): Rename to ...
2284         (gimple_fold_builtin): ... this.
2285         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2286
2287 2010-04-15  Richard Guenther  <rguenther@suse.de>
2288
2289         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2290         fit_double_type, force_fit_type_double, add_double_with_sign,
2291         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2292         lrotate_double, rrotate_double, div_and_round_double): Move ...
2293         * double-int.c: ... here.
2294         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2295         add_double, neg_double, mul_double_with_sign, mul_double,
2296         lshift_double, rshift_double, lrotate_double, rrotate_double,
2297         div_and_round_double): Move prototypes ...
2298         * double-int.h: ... here.
2299
2300 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2301
2302         PR target/43742
2303         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2304         matching constraints to ensure inputs match the output.
2305
2306 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2307
2308         PR target/43742
2309         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2310         in an input-only operand.
2311
2312 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2313
2314         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2315         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2316         (double_int_negative_p): Convert to static inline function.
2317         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2318         (double_int_negative_p): Remove.
2319         * tree.h (lshift_double, rshift_double):
2320         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2321         * fold-const.c (fold_convert_const_int_from_real,
2322         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2323         (lshift_double): Change type of arith argument to bool.
2324         (rshift_double): Change type of arith argument to bool. Correct
2325         comment.
2326         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2327
2328 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2329
2330         PR target/21803
2331         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2332         at the start and end of the then/else blocks, and omit them from the
2333         conversion.
2334         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2335         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2336         (flow_find_head_matching_sequence): New function.
2337         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2338         * basic-block.h (flow_find_cross_jump,
2339         flow_find_head_matching_sequence): Declare functions.
2340
2341 2010-04-14  Jason Merrill  <jason@redhat.com>
2342
2343         PR c++/36625
2344         * c-common.c (attribute_takes_identifier_p): New fn.
2345         * c-common.h: Declare it.
2346
2347 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2348
2349         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2350         splitter condition.
2351         (*udivmod<mode>4): Ditto.
2352
2353 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2354
2355         * config/i386/i386.md (maxmin_int): Rename code attribute from
2356         maxminiprefix and update all users.
2357         (maxmin_float): Ditto from maxminfprefix.
2358         (logic): Ditto from logicprefix.
2359         (absneg_mnemonic): Ditto from absnegprefix.
2360         * config/i386/mmx.md: Update all users of maxminiprefix,
2361         maxminfprefix and logicprefix for rename.
2362         * config/i386/sse.md: Ditto.
2363         * config/i386/sync.md (sync_<code><mode>): Update for
2364         logicprefix rename.
2365
2366 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2367
2368         PR 42966
2369         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2370         warnings converted to errors.
2371
2372 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2373
2374         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2375         used insn_type variable.
2376         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2377         to avoid set-but-not-used warning.
2378
2379 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2380
2381         * df-core.c (df_ref_debug): Change format string placeholder
2382         from 0x%x to %#x.
2383         * dwarf2asm.c (dw2_asm_output_data_raw,
2384         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2385         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2386         * dwarf2out.c (output_cfi, output_cfi_directive,
2387         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2388         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2389         Ditto.
2390         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2391         * print-rtl.c (print_rtx): Ditto.
2392
2393 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2394
2395         PR middle-end/42694
2396         * builtins.c (expand_builtin_pow_root): New function to expand pow
2397         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2398         series of sqrt and cbrt calls under -ffast-math.
2399         (expand_builtin_pow): Call it.
2400
2401 2010-04-14  Michael Matz  <matz@suse.de>
2402
2403         PR tree-optimization/42963
2404         * tree-cfg.c (touched_switch_bbs): New static variable.
2405         (group_case_labels_stmt): New function broken out from ...
2406         (group_case_labels): ... here, use the above.
2407         (start_recording_case_labels): Allocate touched_switch_bbs.
2408         (end_recording_case_labels): Deallocate it, call
2409         group_case_labels_stmt.
2410         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2411
2412 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2413
2414         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2415         from insn template.
2416
2417 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2418
2419         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2420
2421 2010-04-13  Jan Hubicka  <jh@suse.cz>
2422
2423         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2424         of optimized out static functions.
2425         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2426         cost computation.  Also sanity check for overflows.
2427         (update_caller_keys): Update cgraph_edge_badness call; properly
2428         update fibheap and sanity check that it is up to date.
2429         (add_new_edges_to_heap): Update cgraph_edge_badness.
2430         (cgraph_decide_inlining_of_small_function): Likewise;
2431         add sanity checking that badness in heap is up to date;
2432         improve dumping of reason; Update badness of calls to the
2433         offline copy of function currently inlined; dump badness
2434         of functions not inlined because of unit growth limits.
2435
2436 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2437
2438         PR middle-end/32628
2439         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2440         because of sign-extension change when converting to sizetype here...
2441         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2442
2443         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2444         the folding to constants.  Remove redundant final conversion.
2445         (fold_binary) <associate>: Do not associate if the re-association of
2446         constants alone overflows.
2447         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2448         to the end of the list.
2449         (multiple_of_p) <COND_EXPR>: New case.
2450
2451 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2452
2453         * opt-functions.awk (opt_sanitized_name): New.
2454         (opt_enum): New.
2455         * optc-gen.awk: Use it
2456         * opth-gen.awk: Use it.
2457
2458 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2459
2460         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2461         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2462         children.  Call replace_uses_with_default_def_ssa_name to handle
2463         SSA_NAES on lhs.
2464
2465 2010-04-13  Michael Matz  <matz@suse.de>
2466
2467         PR middle-end/43730
2468         * builtins.c (expand_builtin_interclass_mathfn): Also create
2469         a register if the predicate doesn't match.
2470
2471 2010-04-13  Diego Novillo  <dnovillo@google.com>
2472
2473         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2474         * c-pch.c: Include timevar.h.
2475         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2476         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2477         * ggc-common.c: Include timevar.h.
2478         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2479         * timevar.def (TV_PCH_SAVE): Define.
2480         (TV_PCH_CPP_SAVE): Define.
2481         (TV_PCH_PTR_REALLOC): Define.
2482         (TV_PCH_PTR_SORT): Define.
2483         (TV_PCH_RESTORE): Define.
2484         (TV_PCH_CPP_RESTORE): Define.
2485
2486 2010-04-13  Michael Matz  <matz@suse.de>
2487
2488         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2489         into MINUS_EXPRs.
2490         (can_reassociate_p): New function.
2491         (break_up_subtract_bb, reassociate_bb): Use it.
2492
2493 2010-04-13  Richard Guenther  <rguenther@suse.de>
2494
2495         PR bootstrap/43737
2496         * builtins.c (c_readstr): Fix assert.
2497
2498 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2499
2500         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2501         when generating cltd insn.
2502
2503         (*ashl<mode>3_1): Remove special handling for register operand 2.
2504         (*ashlsi3_1_zext): Ditto.
2505         (*ashlhi3_1): Ditto.
2506         (*ashlhi3_1_lea): Ditto.
2507         (*ashlqi3_1): Ditto.
2508         (*ashlqi3_1_lea): Ditto.
2509         (*<shiftrt_insn><mode>3_1): Ditto.
2510         (*<shiftrt_insn>si3_1_zext): Ditto.
2511         (*<shiftrt_insn>qi3_1_slp): Ditto.
2512         (*<rotate_insn><mode>3_1): Ditto.
2513         (*<rotate_insn>si3_1_zext): Ditto.
2514         (*<rotate_insn>qi3_1_slp): Ditto.
2515
2516 2010-04-13  Richard Guenther  <rguenther@suse.de>
2517
2518         * tree-ssa-structalias.c (callused_id): Remove.
2519         (call_stmt_vars): New.
2520         (get_call_vi): Likewise.
2521         (lookup_call_use_vi): Likewise.
2522         (lookup_call_clobber_vi): Likewise.
2523         (get_call_use_vi): Likewise.
2524         (get_call_clobber_vi): Likewise.
2525         (make_transitive_closure_constraints): Likewise.
2526         (handle_const_call): Adjust to do per-call call-used handling.
2527         (handle_pure_call): Likewise.
2528         (find_what_var_points_to): Remove general callused handling.
2529         (init_base_vars): Likewise.
2530         (init_alias_vars): Initialize call_stmt_vars.
2531         (compute_points_to_sets): Process call-used and call-clobbered
2532         vars for call statements.
2533         (delete_points_to_sets): Free call_stmt_vars.
2534
2535 2010-04-13  Richard Guenther  <rguenther@suse.de>
2536
2537         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2538         Only add RW dependence for dependence distance zero.
2539         Adjust maximal vectorization factor according to dependences.
2540         Move alignment handling ...
2541         (vect_find_same_alignment_drs): ... here.  New function.
2542         (vect_analyze_data_ref_dependences): Adjust.
2543         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2544         (vect_analyze_data_refs): Adjust minimal vectorization factor
2545         according to data references.
2546         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2547         dependences before determining the vectorization factor.
2548         Analyze alignment after determining the vectorization factor.
2549         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2550         dependences before alignment.
2551         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2552         Adjust prototype.
2553         (vect_analyze_data_refs): Likewise.
2554         (MAX_VECTORIZATION_FACTOR): New define.
2555
2556 2010-04-13  Duncan Sands  <baldrick@free.fr>
2557
2558         * except.h (lang_eh_type_covers): Remove.
2559         * except.c (lang_eh_type_covers): Likewise.
2560
2561 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2562             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2563
2564         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2565         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2566         UNITS_PER_LONG where it is ABI relevant.
2567         (s390_return_addr_rtx): Likewise.
2568         (s390_back_chain_rtx): Likewise.
2569         (s390_frame_area): Likewise.
2570         (s390_frame_info): Likewise.
2571         (s390_initial_elimination_offset): Likewise.
2572         (save_gprs): Likewise.
2573         (s390_emit_prologue): Likewise.
2574         (s390_emit_epilogue): Likewise.
2575         (s390_function_arg_advance): Likewise.
2576         (s390_function_arg): Likewise.
2577         (s390_va_start): Likewise.
2578         (s390_gimplify_va_arg): Likewise.
2579         (s390_function_profiler): Likewise.
2580         (s390_optimize_prologue): Likewise.
2581         (s390_rtx_costs): Likewise.
2582         (s390_secondary_reload): Likewise.
2583         (s390_promote_function_mode): Likewise.
2584         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2585         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2586         registers available.
2587         (s390_unwind_word_mode): New function.
2588         (s390_function_value): Split 64 bit values into register pair if
2589         used as return value.
2590         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2591         function call parameters.  Handle parallels.
2592         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2593         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2594         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2595         (s390_expand_setmem): Remove unused variable src_addr.
2596         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2597         deal with 64 bit registers.
2598         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2599         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2600         (UNITS_PER_LONG): New macro.
2601         * libjava/include/s390-signal.h: Define extended ucontext
2602         structure containing the upper halfs of the 64 bit registers.
2603
2604 2010-04-13  Simon Baldwin  <simonb@google.com>
2605
2606         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2607
2608 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2609
2610         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2611         rvalue on the RHS if the LHS is of a non-renamable type.
2612         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2613
2614 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2615
2616         * gcc.c (cc1_options): Handle -iplugindir before processing
2617         the cc1 spec. Only add -iplugindir once.
2618         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2619         found.
2620         * common.opt (iplugindir): Remove `Separate' property, initialize.
2621         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2622         option.
2623         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2624         (distclean): Remove plugin dir.
2625         * doc/invoke.texi: Document -iplugindir.
2626
2627 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2628
2629         * doc/plugins.texi (Loading Plugins): Document short
2630         -fplugin=foo option.
2631         (Plugin API): Mention default_plugin_dir_name function.
2632
2633         * gcc.c (find_file_spec_function): Add new declaration.
2634         (static_spec_func): Use it for "find-file".
2635         (find_file_spec_function): Add new function.
2636         (cc1_options): Add -iplugindir option if -fplugin* options found.
2637
2638         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2639
2640         * plugin.c (add_new_plugin): Updated comment, and handle short
2641         plugin name.
2642         (default_plugin_dir_name): Added new function.
2643
2644         * common.opt (iplugindir): New option to set the plugin directory.
2645
2646 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2647
2648         * config/i386/i386.md (any_rotate): New code iterator.
2649         (rotate_insn): New code attribute.
2650         (rotate): Ditto.
2651         (SWIM124): New mode iterator.
2652         (<rotate_insn>ti3): New expander.
2653         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2654         any_rotate code iterator.
2655         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2656         using any_rotate code iterator and SWIM124 mode iterator.
2657         (ix86_rotlti3): New insn_and_split pattern.
2658         (ix86_rotrti3): Ditto.
2659         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2660         ix86_rotl{di,ti}3 patterns.
2661         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2662         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2663         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2664         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2665         code iterator and SWI mode iterator.
2666         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2667         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2668         code iterator.
2669         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2670         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2671         (bswap rotatert splitter): Add splitter.
2672         (bswap splitter): Macroize splitter using any_rotate code iterator.
2673         Add insn predicate to split only for TARGET_USE_XCHGB or when
2674         optimizing function for size.
2675
2676 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2677
2678         * config/pa/pa.c (emit_move_sequence): Remove use of
2679         deleted variable flag_argument_noalias.
2680
2681 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2682
2683         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2684         configurations.
2685         Add to unsupported targets list.
2686         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2687         sparc*-sun-solaris2.[567]* from target lists.
2688         * configure: Regenerate.
2689         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2690         removal.
2691         Remove Solaris 7 patch references.
2692         (Specific, sparc-sun-solaris2.7): Removed.
2693         (sparc-sun-solaris2*): Update Solaris 7 example.
2694         (sparc64-*-solaris2*): Likewise.
2695
2696 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2697
2698         * config.build (alpha*-dec-osf4*): Remove.
2699         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2700         of obsolete configurations.
2701         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2702         support.
2703         * config/alpha/t-osf4: Renamed to ...
2704         * config/alpha/t-osf5: ... this.
2705         * config/alpha/osf.h: Renamed to ...
2706         * config/alpha/osf5.h: ... this.
2707         Merged old osf5.h contents.
2708         Update comments.
2709         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2710         (EXTRA_SPECS): Removed.
2711         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2712         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2713         Document that.
2714
2715 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2716
2717         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2718
2719 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2720
2721         PR/43702
2722         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2723         __thiscall convention.
2724
2725 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2726
2727         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2728         orig_base.
2729         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2730
2731 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2732
2733         * function.c (assign_parms_initialize_all): Add unused attribute
2734         to fntype.
2735
2736 2010-04-12  Richard Guenther  <rguenther@suse.de>
2737
2738         * gsstruct.def (GSS_CALL): New.
2739         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2740         * gimple.h: Include tree-ssa-alias.h.
2741         (struct gimple_statement_call): New.
2742         (union gimple_statement_struct_d): Add gimple_call member.
2743         (gimple_call_reset_alias_info): Declare.
2744         (gimple_call_use_set): New function.
2745         (gimple_call_clobber_set): Likewise.
2746         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2747         * gimple.c (gimple_call_reset_alias_info): New function.
2748         (gimple_build_call_1): Call it.
2749         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2750         * tree-inline.c (remap_gimple_stmt): Likewise.
2751         (expand_call_inline): Remove callused handling.
2752         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2753         * tree-dfa.c (dump_variable): Likewise.
2754         * tree-parloops.c (parallelize_loops): Likewise.
2755         * tree-ssa.c (init_tree_ssa): Likewise.
2756         (delete_tree_ssa): Likewise.
2757         * tree-flow-inline.h (is_call_used): Remove.
2758         * tree-flow.h (struct gimple_df): Remove callused member.
2759         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2760         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2761         (ref_maybe_used_by_call_p_1): Simplify.
2762         (call_may_clobber_ref_p_1): Likewise.
2763         * tree-ssa-structalias.c (compute_points_to_sets): Set
2764         the call stmt used and clobbered sets.
2765         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2766         (find_tail_calls): Verify the tail call.
2767
2768 2010-04-12  Richard Guenther  <rguenther@suse.de>
2769
2770         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2771         single-iteration always-inline inlining.
2772         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2773         (cgraph_decide_inlining): Do not handle always-inline specially.
2774         (try_inline): Remove always-inline cycle detection special case.
2775         Do not recurse on always-inlines.
2776         (cgraph_early_inlining): Do not iterate if not optimizing.
2777         (cgraph_gate_early_inlining): remove.
2778         (pass_early_inline): Run unconditionally.
2779         (gate_cgraph_decide_inlining): New function.
2780         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2781         not inlining or optimizing.
2782         (cgraph_decide_inlining_of_small_functions): Also consider
2783         always-inline functions.
2784         (cgraph_default_inline_p): Return true for nodes which should
2785         disregard inline limits.
2786         (estimate_function_body_sizes): Assume zero size and time for
2787         nodes which are marked as disregarding inline limits.
2788         (cgraph_decide_recursive_inlining): Do not perform recursive
2789         inlining on always-inline nodes.
2790
2791 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2792
2793         PR bootstrap/43699
2794         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2795         for exprs satisfying handled_component_p.
2796
2797 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2798
2799         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2800         non-constant aggregate elements.
2801
2802         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2803         is a real initialization.
2804
2805 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2806
2807         PR c/36774
2808         * c-decl.c (start_function): Move forward check for nested function.
2809
2810 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2811
2812         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2813         * config/sh/sh.c: Include reload.h.
2814         (sh_legitimize_reload_address): New.
2815         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2816         sh_legitimize_reload_address.
2817
2818 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2819
2820         * config/sh/sh.md (*movqi_pop): New insn pattern.
2821         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2822
2823 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2824
2825         * config/i386/i386.md (any_shiftrt): New code iterator.
2826         (shiftrt_insn): New code attribute.
2827         (shiftrt): Ditto.
2828         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2829         using any_shiftrt code iterator.
2830         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2831         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2832         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2833         pattern from corresponding peephole2 patterns.
2834         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2835         using any_shiftrt code iterator.
2836         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2837         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2838         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2839         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2840         *{ashr,lshr}<mode>3_cmp_zext.
2841         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2842
2843 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2844
2845         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2846         scratch register.
2847         (*lshr<mode>3_cconly): Ditto.
2848
2849 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2850
2851         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2852         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2853         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2854         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2855         DWI mode iterator.
2856         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2857         from corresponding peephole2 patterns.
2858         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2859         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2860         and *lshrdi3_1_rex64 using SWI mode iterator.
2861         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2862         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2863         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2864         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2865         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2866         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2867         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2868         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2869         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2870         SWI mode iterator.
2871
2872 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2873
2874         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2875         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2876         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2877         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2878         DWI mode iterator.
2879         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2880         from corresponding peephole2 patterns.
2881         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2882         (ashrsi3_cvt): Rename from ashrsi3_31.
2883         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2884         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2885         and x86_64_shift_adj_3 using SWI48 mode iterator.
2886         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2887         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2888         and *ashrdi3_1_rex64 using SWI mode iterator.
2889         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2890         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2891         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2892         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2893         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2894         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2895         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2896         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2897         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2898         SWI mode iterator.
2899         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2900         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2901         x86_shift<mode>_adj_3 expanders.
2902
2903 2010-04-10  Wei Guozhi  <carrot@google.com>
2904
2905         PR target/42601
2906         * config/arm/arm.c (arm_pic_static_addr): New function.
2907         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2908         a static symbol.
2909         (arm_output_addr_const_extra): Output expression for new pattern.
2910         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2911
2912 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2913
2914         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2915         not enabled.
2916
2917         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2918         * web.c: Include "insn-config.h" and "recog.h".
2919         (union_match_dups): New function.
2920         (web_main): Call it.
2921         (union_defs): Don't try to recognize match_dups.
2922
2923         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2924         if doing so would replace the entire pattern.
2925
2926 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2927
2928         PR target/43707
2929         PR target/43709
2930         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2931         and splitter pattern.  Change splitter operand 1 predicate to
2932         nonmemory_operand.
2933
2934 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2935
2936         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2937         lattices are addresses of CONST_DECLs with the same initial value.
2938         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2939         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2940
2941 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2942             Bernd Schmidt  <bernds@codesourcery.com>
2943
2944         * loop-invariant.c (replace_uses): New static function.
2945         (move_invariant_reg): Use it to ensure we can replace the uses.
2946
2947 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2948
2949         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2950         function template.
2951         (picochip_override_options): Enable section anchors only above -O1.
2952         (picochip_reorg): Fixed a couple of build warnings.
2953
2954 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2955
2956         * configure.ac (plugin -rdynamic test): Log result.
2957         * configure: Regenerate.
2958         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2959         (RDYNAMIC_SPEC): Define.
2960         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2961
2962 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2963
2964         * configure.ac: Determine Sun ld version numbers.
2965         (comdat_group): Restrict GNU ld version checks to gld.
2966         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2967         (enable_comdat): Support --enable-comdat.
2968         * configure: Regenerate.
2969         * doc/install.texi (Configuration): Document --enable-comdat.
2970
2971 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2972
2973         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2974         * config/sol2-gld.h: ... here.
2975         * config.gcc (sparc*-*-solaris2*): Reflect this.
2976         (i[34567]86-*-solaris2*): Use it.
2977
2978 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2979
2980         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2981         setup_clocks_p.
2982         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2983
2984 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2985
2986         PR 42965
2987         * diagnostic.c (diagnostic_initialize): Initialize
2988         some_warnings_are_errors.
2989         (diagnostic_finish): New.
2990         (diagnostic_action_after_output): Call it before exiting.
2991         (diagnostic_report_diagnostic): Do not print message here. Set
2992         some_warnings_are_errors.
2993         * diagnostic.h (diagnostic_context): Delete
2994         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2995         (diagnostic_finish): Declare.
2996         * toplev.c (toplev_main): Call it before exit.
2997
2998 2010-04-09  Jason Merrill  <jason@redhat.com>
2999
3000         PR c++/42623
3001         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3002         for incomplete type.
3003
3004         PR c++/41788
3005         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3006         based on a warning flag.
3007
3008 2010-04-09  Richard Guenther  <rguenther@suse.de>
3009
3010         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3011
3012 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3013
3014         PR bootstrap/43684
3015         * varasm.c (default_assemble_visibility): Wrap vars that are
3016         set, but unused, by targets without GAS.
3017         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3018         Remove set, but unused, vars.
3019         (rs6000_legitimize_tls_address): Likewise.
3020         (altivec_expand_dst_builtin): Likewise.
3021         * config/darwin.c (machopic_classify_symbol): Likewise.
3022         (machopic_indirection_name): Likewise.
3023
3024 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3025
3026         * config/i386/i386.md (DWI): New mode iterator.
3027         (S): New mode attribute.
3028         (shift_operand): Ditto.
3029         (shift_immediate_operand): Ditto.
3030         (ashl_input_operand): Ditto.
3031         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3032         using SDWIM mode iterator.
3033         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3034         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3035         DWI mode iterator.
3036         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3037         from corresponding peephole2 patterns.
3038         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3039         and x86_64_shift_adj_1 using SWI48 mode iterator.
3040         (x86_shift<mode>_adj_2): Ditto.
3041         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3042         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3043         using SWI48 mode iterator.
3044         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3045         *ashldi3_cmp_rex64 using SWI mode iterator.
3046         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3047         *ashldi3_cconly_rex64 using SWI mode iterator.
3048         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3049         x86_shift<mode>_adj_{1,2}.
3050         (ix86_split_ashr): Ditto.
3051         (ix86_split_lshr): Ditto.
3052
3053 2010-04-09  Richard Guenther  <rguenther@suse.de>
3054
3055         * target.h (builtin_conversion): Pass in input and output types.
3056         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3057         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3058         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3059         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3060
3061         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3062         Handle AVX modes.
3063         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3064
3065 2010-04-09  Richard Guenther  <rguenther@suse.de>
3066
3067         PR target/43152
3068         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3069
3070 2010-04-09  Richard Guenther  <rguenther@suse.de>
3071
3072         * tree-vectorizer.h (struct _stmt_vec_info): Document
3073         that vectype is the type of the LHS.
3074         (supportable_widening_operation, supportable_narrowing_operation):
3075         Get both input and output vector types as arguments.
3076         (vect_is_simple_use_1): Declare.
3077         (get_same_sized_vectype): Likewise.
3078         * tree-vect-loop.c (vect_determine_vectorization_factor):
3079         Set STMT_VINFO_VECTYPE to the vector type of the def.
3080         (vectorizable_reduction): Adjust.
3081         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3082         Adjust.  Specify the output vector type.
3083         (vect_pattern_recog_1): Adjust.
3084         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3085         (vectorizable_call): Adjust.
3086         (vectorizable_conversion): Likewise.
3087         (vectorizable_operation): Likewise.
3088         (vectorizable_type_demotion): Likewise.
3089         (vectorizable_type_promotion): Likewise.
3090         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3091         the def.
3092         (vect_is_simple_use_1): New function.
3093         (supportable_widening_operation): Get both input and output
3094         vector types.
3095         (supportable_narrowing_operation): Likewise.
3096         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3097
3098 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3099
3100         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3101         __thiscall and _thiscall as predefined macros.
3102         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3103         thiscall attribute handling.
3104         (ix86_comp_type_attributes): Likewise.
3105         (ix86_function_regparm): Likewise.
3106         (ix86_return_pops_args): Likewise.
3107         (init_cumulative_args): Likewise.
3108         (find_drap_reg): Likewise.
3109         (ix86_static_chain): Likewise.
3110         (x86_this_parameter): Likewise.
3111         (x86_output_mi_thunk): Likewise.
3112         (ix86_attribute_table): Add description for thiscall attribute.
3113         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3114         * doc/extend.texi: Add documentation for thiscall.
3115
3116 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3117
3118         PR c++/28584
3119         * c.opt (Wint-to-pointer-cast): Available in C++.
3120         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3121
3122 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3123
3124         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3125         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3126         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3127         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3128         function type instead.  Reorder and simplify checks.
3129
3130         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3131
3132 2010-04-08  Jing Yu  <jingyu@google.com>
3133             Zdenek Dvorak  <ook@ucw.cz>
3134
3135         PR tree-optimization/42720
3136         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3137         loop unswitch conditions here from ...
3138         (tree_unswitch_single_loop): ... here.
3139
3140 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         * tree-if-conv.c: Fix comments and simplify logic.
3143
3144 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3145
3146         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3147         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3148         (main_tree_if_conversion): Update call to tree_if_conversion.
3149
3150 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3151
3152         PR 42485
3153         * doc/invoke.texi (-b,-V): Delete.
3154         * doc/tm.texi: Do not mention -b.
3155         * gcc.c (display_help): Delete -b and -V.
3156         (process_command): Delete -b and -V.
3157         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3158
3159 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3160             Wolfgang Gellerich  <gellerich@de.ibm.com>
3161
3162         Implement target hook for loop unrolling
3163         * target.h (loop_unroll_adjust): Add a new target hook function.
3164         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3165         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3166         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3167         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3168         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3169         target hook.
3170         (decide_unroll_stupid): Likewise.
3171
3172 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3173
3174         PR target/43643
3175         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3176
3177 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3178
3179         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3180         (Specific, *-*-solaris2*): Likewise.
3181         Don't prefer Sun as over GNU as.
3182
3183 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3184
3185         * config/s390/s390.c (override_options): Adjust the z10
3186           defaults for max-unroll-times, max-completely-peeled-insns
3187           and max-completely-peel-times.
3188
3189 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3190
3191         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3192         instructions for z10.
3193         (s390_expand_setmem): Likewise.
3194         (s390_expand_cmpmem): Likewise.
3195
3196 2010-04-08  Richard Guenther  <rguenther@suse.de>
3197
3198         PR tree-optimization/43679
3199         * tree-ssa-pre.c (eliminate): Only propagate copies.
3200
3201 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3202
3203         PR bootstrap/43681
3204         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3205         set but not used variable warning.
3206
3207 2010-04-08  Wei Guozhi  <carrot@google.com>
3208
3209         PR target/41653
3210         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3211         (arm_size_rtx_costs): Call the new function when optimized for size.
3212
3213 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3214
3215         PR debug/43670
3216         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3217         op0 is not a MEM, just return NULL instead of assertion
3218         failure.
3219         (discover_nonconstant_array_refs): Don't walk debug stmts.
3220
3221 2010-04-08  Doug Kwan  <dougkwan@google.com>
3222
3223         * configure.ac: Recognize gold and do not use its version number
3224         to test ld features.
3225         * configure: Regenerate.
3226
3227 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3228
3229         PR middle-end/40815
3230         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3231         (negate_value): Move code to push elements to broken_up_substracts ...
3232         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3233         negative pair to plus_negates.
3234         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3235
3236 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3237
3238         * doc/install.texi (Configuration): Move description of
3239         --enable-lto, --with-libelf*, --enable-gold from Java section to
3240         general section.
3241
3242         * doc/generic.texi (Working with declarations)
3243         (Function Properties, C and C++ Trees): Fix typos.
3244         * doc/sourcebuild.texi (Top Level): Likewise.
3245
3246 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3247
3248         PR c/18624
3249         * tree.h (DECL_READ_P): Define.
3250         (struct tree_decl_common): Add decl_read_flag.
3251         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3252         a set but not used warning.
3253         (merge_decls): Merge DECL_READ_P flag.
3254         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3255         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3256         * c-common.c (handle_used_attribute, handle_unused_attribute):
3257         Likewise.
3258         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3259         New prototypes.
3260         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3261         New functions.
3262         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3263         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3264         c_parser_binary_expression, c_parser_cast_expression,
3265         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3266         Call default_function_array_read_conversion instead of
3267         default_function_array_conversion where needed.
3268         (c_parser_unary_expression, c_parser_conditional_expression,
3269         c_parser_postfix_expression_after_primary, c_parser_initelt):
3270         Likewise.  Call mark_exp_read where needed.
3271         (c_parser_statement_after_labels, c_parser_asm_operands,
3272         c_parser_typeof_specifier, c_parser_sizeof_expression,
3273         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3274         where needed.
3275         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3276         New.
3277         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3278         (warn_unused_but_set_parameter): Default to warn_unused
3279         && extra_warnings.
3280         * doc/invoke.texi: Document -Wunused-but-set-variable and
3281         -Wunused-but-set-parameter.
3282
3283         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3284         used count variable.
3285         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3286         when operandN variables aren't used in the body of the expander
3287         or splitter.
3288         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3289         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3290         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3291         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3292         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3293         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3294         * tree.c (PROCESS_ARG): Likewise.
3295
3296 2010-04-07  Simon Baldwin  <simonb@google.com>
3297
3298         * diagnostic.h (diagnostic_override_option_index): New macro to
3299         set a diagnostic's option_index.
3300         * c-tree.h (c_cpp_error): Add warning reason argument.
3301         * opts.c (_warning_as_error_callback): New.
3302         (register_warning_as_error_callback): Store callback for
3303         warnings enabled via enable_warning_as_error.
3304         (enable_warning_as_error): Call callback, minor code tidy.
3305         * opts.h (register_warning_as_error_callback): Declare.
3306         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3307         response to -Werror=.
3308         (c_common_init_options): Register warning_as_error_callback in opts.c.
3309         * common.opt: Add -Wno-cpp option.
3310         * c-common.c (struct reason_option_codes_t): Map cpp warning
3311         reason codes to gcc option indexes.
3312         * (c_option_controlling_cpp_error): New function, lookup the gcc
3313         option index for a cpp warning reason code.
3314         * (c_cpp_error): Add warning reason argument, call
3315         c_option_controlling_cpp_error for diagnostic_override_option_index.
3316         * doc/invoke.texi: Document -Wno-cpp.
3317
3318 2010-04-07  Richard Guenther  <rguenther@suse.de>
3319
3320         * ipa-reference.c (mark_load): Use get_base_address.
3321         (mark_store): Likewise.
3322
3323         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3324         inserting GIMPLE_NOPs into the IL.
3325         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3326         Explicitly strip handled components and indirect references.
3327
3328         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3329         folding address expressions.
3330         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3331         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3332         operand_equal_p to compare decls.
3333         (ptr_deref_may_alias_decl_p): Likewise.
3334         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3335         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3336         Handle reversed comparison ops.
3337         * tree-sra.c (asm_visit_addr): Use get_base_address.
3338         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3339         * ipa-reference.c (mark_address): Use get_base_address.
3340
3341 2010-04-07  Richard Guenther  <rguenther@suse.de>
3342
3343         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3344         Propagate constants everywhere.
3345
3346 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3347
3348         PR debug/43516
3349         * tree.c (MAX_INT_CACHED_PREC): Define.
3350         (nonstandard_integer_type_cache): New array.
3351         (build_nonstandard_integer_type): Cache results for precision
3352         <= MAX_INT_CACHED_PREC.
3353
3354 2010-04-07  Richard Guenther  <rguenther@suse.de>
3355
3356         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3357         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3358         * common.opt: Likewise.
3359         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3360         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3361         (nonoverlapping_memrefs_p): Likewise.
3362         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3363         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3364         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3365         OPT_fargument_noalias_global for backward compatibility.
3366
3367 2010-04-07  Richard Guenther  <rguenther@suse.de>
3368
3369         PR tree-optimization/43270
3370         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3371         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3372         * tree-ssa-pre.c (phi_translate_1): Adjust.
3373         (fully_constant_expression): Split out vn_reference handling to ...
3374         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3375         Fold reads from constant strings.
3376         (vn_reference_lookup): Handle fully constant references.
3377         (vn_reference_lookup_pieces): Likewise.
3378         * Makefile.in (expmed.o-warn): Add -Wno-error.
3379
3380 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3381
3382         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3383
3384 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3385
3386         PR driver/41594
3387         * gcc.c: Add -static-libstdc++ to list of recognized options.
3388
3389 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3390
3391         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3392
3393 2010-04-07  Richard Guenther  <rguenther@suse.de>
3394
3395         PR middle-end/42617
3396         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3397         bases build simple mem attributes to retain points-to information.
3398
3399 2010-04-07  Richard Guenther  <rguenther@suse.de>
3400
3401         PR middle-end/42617
3402         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3403         preserve points-to related information.
3404
3405 2010-04-07  Richard Guenther  <rguenther@suse.de>
3406
3407         PR middle-end/42617
3408         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3409         discard plain indirect references.
3410         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3411         * tree.c (tree_nop_conversion): Likewise.
3412
3413 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3414
3415         PR debug/43628
3416         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3417
3418 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3419
3420         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3421         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3422
3423 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>