OSDN Git Service

2010-05-06 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-06  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/43934
4         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
5         (stmt_cost): Likewise.
6         (extract_true_false_args_from_phi): New helper.
7         (determine_max_movement): For PHI nodes verify we can hoist them
8         and compute their cost.
9         (determine_invariantness_stmt): Handle PHI nodes.
10         (move_computations_stmt): Likewise.  Hoist PHI nodes in
11         if-converted form using COND_EXPRs.
12         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
13         nodes.
14         (tree_ssa_lim): Likewise.
15         * tree-flow.h (tree_ssa_lim): Adjust prototype.
16         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
17
18 2010-05-06  Richard Guenther  <rguenther@suse.de>
19
20         PR tree-optimization/43987
21         * tree-ssa-structalias.c (could_have_pointers): For possibly
22         address-taken variables force pointers to be recorded.
23         (create_variable_info_for_1): Likewise.
24         (push_fields_onto_fieldstack): Pass in wheter all fields
25         must have pointers.
26         (find_func_aliases): Query types instead of vars whether
27         they contain pointers where appropriate.
28
29 2010-05-06  Jan Hubicka  <jh@suse.cz>
30
31         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
32         (record_reference, mark_address, mark_load, mark_store): Record
33         references.
34         (record_references_in_initializer): Update call of record_references.
35         (rebuild_cgraph_edges): Remove all references before rebuiding.
36         * cgraph.c (cgraph_create_node): Clear ref list.
37         (cgraph_remove_node): Remove references.
38         (dump_cgraph_node): Dump references.
39         (cgraph_clone_node): Clone references.
40         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
41         (struct cgraph_node, varpool_node): Add ref_lst.
42         * ipa-ref.c: New file.
43         * ipa-ref.h: New file.
44         * ipa-ref-inline.h: New file.
45         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
46         (referenced_from_other_partition_p): New function.
47         (lto_output_varpool_node): Take set arugment; call
48         referenced_from_other_partition.
49         (lto_output_ref): New.
50         (add_references): New.
51         (output_refs): New.
52         (output_cgraph): Compute boundary based on references;
53         output refs.
54         (output_varpool): Accept cgraph_node_set argument.
55         (input_ref): New.
56         (input_refs): New.
57         (input_cgraph): Call input_refs.
58         * lto-section-in.c (lto_section_name): Add refs.
59         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
60         (ipa-ref.o): New file.
61         * varpool.c (varpool_node): Clear ipa ref list.
62         (varpool_remove_node): Remove references.
63         (dump_varpool_node): Dump references.
64         (varpool_assemble_decl): Only compile finalized ones.
65         (varpool_extra_name_alias): Initialize ref list.
66         * lto-streamer.c (lto-get_section_name): Add .refs section.
67         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
68         (referenced_from_other_partition_p): Declared.
69
70 2010-05-06  Ira Rosen  <irar@il.ibm.com>
71
72         PR tree-optimization/43901
73         * tree-vect-stmts.c (vectorizable_call): Assert that vector
74         type is not NULL if it's transformation phase, and return
75         FALSE if it's analysis.
76         (vectorizable_conversion, vectorizable_operation, 
77         vectorizable_type_demotion, vectorizable_type_promotion):
78         Likewise.
79
80 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
81
82         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
83         Delete.
84         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
85         New define.
86         * config/mips/mips-protos.h
87         (mips_small_register_classes_for_mode_p): Delete prototype.
88
89 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
90
91         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
92         * config/arm/arm.c (multiple_operation_profitable_p,
93         compute_offset_order): New static functions.
94         (load_multiple_sequence, store_multiple_sequence): Use them.
95         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
96         memory offsets, not register numbers.
97         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
98
99 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
100
101         * stor-layout.c (pending_sizes): Change the type to
102         VEC(tree,gc) *.
103         (get_pending_sizes, put_pending_size, put_pending_sizes):
104         Update the uses of pending_sizes.
105         * c-decl.c (store_parm_decls): Likewise.
106         * c-tree.h (struct c_arg_info): Likewise.
107         * tree.h: Update the prototype for get_pending_sizes and
108         put_pending_sizes.
109
110 2010-05-05  Jason Merrill  <jason@redhat.com>
111
112         PR debug/43370
113         * c-common.c (handle_aligned_attribute): Respect
114         ATTR_FLAG_TYPE_IN_PLACE.
115
116         PR testsuite/43758
117         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
118         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
119         (TARGET_INITIALIZER): Use it.
120         * c-common.c (attribute_takes_identifier_p): Call it.
121         * c-common.h: Update prototype.
122         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
123         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
124
125 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
126
127         PR debug/43950
128         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
129         DW_ID_down_case for Fortran compilation units.
130
131 2010-05-05  Jan Hubicka  <jh@suse.cz>
132
133         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
134         handle aliases.
135
136 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
137
138         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
139         a variable-sized RESULT_DECL.
140
141 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
142
143         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
144
145 2010-05-05  Jason Merrill  <jason@redhat.com>
146
147         PR c++/43787
148         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
149         returns GS_OK.
150         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
151
152 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
153             Jakub Jelinek  <jakub@redhat.com>
154
155         PR debug/43478
156         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
157         (dead_debug_init, dead_debug_finish): New functions.
158         (dead_debug_add, dead_debug_insert_before): Likewise.
159         (df_note_bb_compute): Initialize a dead_debug object, add dead
160         debug uses to it, insert debug bind insns before death insns,
161         reset debug insns that refer to pending uses at the end.
162         * rtl.h (make_debug_expr_from_rtl): New prototype.
163         * varasm.c (make_debug_expr_from_rtl): New function.
164
165 2010-05-05  Jan Hubicka  <jh@suse.cz>
166
167         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
168         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
169         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
170         lto_varpool_encoder_encode_initializer_p,
171         lto_set_varpool_encoder_encode_initializer): New functions.
172         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
173         call output_varpool.
174         (input_varpool_node): Do not always set analyzed.
175         (input_cgraph_1): Return vector of cgraph nodes.
176         (input_varpool_1): Return vector of varpools.
177         (input_cgraph): Free the vectors.
178         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
179         output only initializers needed.
180         (lto_output): Only call output_cgraph.
181         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
182         * lto-section-out.c (lto_new_out_decl_state): Initialize
183         state->varpool_node_encoder.
184         * lto-streamer.h (lto_varpool_encoder_d): New.
185         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
186         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
187         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
188         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
189         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
190         Declare.
191         (output_varpool, input_varpool): Remove declarations.
192
193 2010-05-05  Jan Hubicka  <jh@suse.cz>
194
195         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
196         with body can prevail.
197
198 2010-05-05  Jan Hubicka  <jh@suse.cz>
199
200         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
201         size.
202
203 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
204
205         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
206         dependencies.
207
208         * gengtype.h (erro_at_line): Constify pos argument.
209
210         * gengtype.c: Include hashtab.h.
211         (enum gc_used): Document GC_MAYBE_POINTED_TO.
212         (error_at_line): Constify pos argument.
213         (do_typedef): Initialize p->opt field.
214         (get_file_gtfilename): Fix comment typo.
215         (struct walk_type_data): Constify line field.
216         (get_output_file_for_structure): New function.
217         (write_local_func_for_structure): Constify orig_s argument.
218         Use get_output_file_for_structure.
219         (write_func_for_structure): Use get_output_file_for_structure.
220         (INDENT): New define.
221         (dump_pair, dump_type, dump_type_list, dump_typekind)
222         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
223         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
224         functions.
225         (seen_types): New variable.
226         (main): New variable do_dump.  Process "-d" command line option.
227         Call dump_everything if dump requested.
228
229 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
230
231         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
232         in a temporary instead of invoking the macro multiple times.
233         (track_expr_p): Likewise.
234
235 2010-05-04  Neil Vachharajani <nvachhar@google.com>
236
237         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
238         per new semantics.
239         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
240         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
241         conditions for printing notes.
242         * common.opt (-Wcoverage-mismatch): Allow negative, default to
243         true, update documentation.
244         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
245
246 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
247
248         PR c/43981
249         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
250         on dimen.
251
252 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
253
254         PR target/43799
255         * config/i386/i386.md (sse_prologue_save): Add clobber CC
256         register.
257         (*sse_prologue_save_insn1): Likewise.
258         (SSE prologue save splitter): Likewise.
259
260 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
261
262         * tree.c (free_lang_data_in_one_sizepos): New inline function.
263         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
264         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
265         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
266         all decls.  Call it on DECL_FIELD_OFFSET of fields.
267         (find_decls_types_r): Follow DECL_VALUE_EXPR.
268         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
269
270 2010-05-04  Martin Jambor  <mjambor@suse.cz>
271
272         * tree-sra.c (build_access_from_expr_1): The first parameter type
273         changed to simple tree.
274         (build_access_from_expr): Likewise, gsi parameter was eliminated.
275         (scan_assign_result): Renamed to assignment_mod_result, enum elements
276         renamed as well.
277         (build_accesses_from_assign): Removed all parameters except for a
278         simple gimple statement.  Now returns a simple bool.
279         (scan_function): All non-analysis parts moved to separate functions
280         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
281         parameters and updated both callers.
282         (sra_modify_expr): Removed parameter data.
283         (sra_modify_function_body): New function.
284         (perform_intra_sra): Call sra_modify_function_body to modify the
285         function body.
286         (replace_removed_params_ssa_names): Parameter data changed into
287         adjustments vector.
288         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
289         changed the parameter dont_convert to convert with the opposite
290         meaning.
291         (sra_ipa_modify_assign): Parameter data changed into adjustments
292         vector, return value changed to bool.
293         (ipa_sra_modify_function_body): New function.
294         (sra_ipa_reset_debug_stmts): Updated a comment.
295         (modify_function): Use ipa_sra_modify_function_body to modify function
296         body.
297
298 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
299
300         PR middle-end/43671
301         * alias.c (true_dependence): Handle the same VALUE in x and mem.
302         (canon_true_dependence): Likewise.
303         (write_dependence_p): Likewise.
304
305 2010-05-04  Jan Hubicka  <jh@suse.cz>
306
307         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
308         * cgraphbuild.c: Include ipa-utils.h
309         (record_reference_ctx): New struct.
310         (record_reference): Simplify to work on initializers; not statements.
311         (mark_address, mark_load, mark_store): New.
312         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
313         walk PHI nodes too.
314         (record_references_in_initializer): Update use of record_reference.
315         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
316         walk PHI nodes too.
317
318 2010-05-04  Jan Hubicka  <jh@suse.cz>
319
320         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
321         node will be removed anyway.
322         (lto_varpool_replace_node): Allow also unanalyzed nodes;
323         relink aliases of node into prevailing node.
324         * varpool.c (varpool_remove_node): Remove aliases properly;
325         when removing node, remove all its aliases too; remove DECL_INITIAL
326         of removed node; ggc_free the varpool node.
327
328 2010-05-04  Richard Guenther  <rguenther@suse.de>
329
330         PR tree-optimization/43879
331         * tree-ssa-structalias.c (alias_get_name): Use
332         DECL_ASSEMBLER_NAME if available.
333         (create_function_info_for): Return the varinfo node.
334         (ipa_pta_execute): Associate same-body aliases and extra names
335         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
336
337 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
338
339         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
340         static.
341
342 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
343
344         PR bootstrap/43964
345         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
346         only if HONOR_REG_ALLOC_ORDER is not defined.
347
348 2010-05-04  Richard Guenther  <rguenther@suse.de>
349
350         PR tree-optimization/43949
351         * tree-vrp.c (extract_range_from_binary_expr): Only handle
352         TRUNC_MOD_EXPR.
353
354 2010-04-26  Jason Merrill  <jason@redhat.com>
355
356         * c.opt (-fstrict-enums): New.
357         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
358
359 2010-05-03  David Ung <davidu@mips.com>
360             James E. Wilson  <wilson@codesourcery.com>
361
362         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
363         emit the trap instruction before the divide for TUNE_74K.
364
365 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
366
367         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
368         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
369         based on the above, for new target hook.
370
371         * hooks.c (hook_bool_mode_true): New generic hook.
372         * hooks.h (hook_bool_mode_true): Add prototype.
373
374         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
375         target hook.
376         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
377         target hook, set to hook_bool_mode_false.
378         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
379         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
380         with targetm.small_register_classes_for_mode_p.
381         (find_reusable_reload): Likewise.
382         (combine_reloads): Likewise.
383         * reload1.c (reload_as_needed): Likewise.
384         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
385         * ifcvt.c (noce_process_if_block, check_cond_move_block,
386         dead_or_predicable): Likewise.
387         * regmove.c (optimize_reg_copy_1): Likewise.
388         * calls.c (prepare_call_address): Likewise.
389         (precompute_register_parameters): Likewise.
390
391         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
392         hook definition.
393         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
394         implementation of the hook that considers all register classes
395         small except for SH64.
396         (sh_override_options): Use the new hook.
397         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
398         Add prototype.
399
400         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
401         hook definition.
402         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
403         implementation of the hook that considers all register classes
404         small for THUMB1.
405         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
406         Add prototype.
407
408         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
409         hook definition.
410         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
411         implementation of the hook that considers all register classes
412         small for MIPS16.
413         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
414         Add prototype.
415
416         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
417         hook definition.
418         * config/m32c/m32c.h: Likewise.
419         * config/pdp11/pdp11.h: Likewise.
420         * config/avr/avr.h: Likewise.
421         * config/xtensa/xtensa.h: Likewise.
422         * config/m68hc11/m68hc11.h: Likewise.
423         * config/mn10300/mn10300.h: Likewise.
424         * config/mcore/mcore.h: Likewise.
425         * config/h8300/h8300.h: Likewise.
426         * config/bfin/bfin.h: Likewise.
427
428         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
429         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
430
431 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
432
433         * double-int.h (tree_to_double_int): Remove macro.
434         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
435         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
436         (tree_to_double_int): New function.
437         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
438         Move ...
439         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
440
441 2010-05-03  Richard Guenther  <rguenther@suse.de>
442
443         PR tree-optimization/43971
444         * tree-ssa-structalias.c (get_constraint_for_1): Fix
445         constraints in the !flag_delete_null_pointer_checks case.
446
447 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
448
449         PR debug/43972
450         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
451         result mode matches original rtl mode.
452
453 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
454
455         PR target/43888
456         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
457
458 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
459
460         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
461         when processing flag options.
462
463 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
464
465         * gcov-iov.c (main): Change format string placeholder
466         from %#08x to 0x%08x.
467         * genchecksum.c (dosum): Change format string placeholder
468         from %#02x to 0x%02x.
469
470 2010-05-02  Richard Guenther  <rguenther@suse.de>
471
472         PR tree-optimization/43879
473         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
474
475 2010-05-02  Bruno Haible  <bruno@clisp.org>
476
477         * doc/extend.texi (Function Attributes): Fix a typo.
478
479 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
480
481         Revert:
482         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
483         placeholder from 0x%x to %#x.
484         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
485         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
486         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
487         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
488         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
489         * config/i386/i386.c (ix86_target_string): Ditto.
490         * config/i386/i386.c (output_pic_addr_const): Ditto.
491         (print_operand): Ditto.
492
493 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
494
495         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
496         placeholder from 0x%x to %#x.
497         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
498         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
499         (ASM_OUTPUT_DEBUG_DATA): Ditto.
500         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
501         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
502         * optc-gen.awk: Ditto.
503         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
504         (HOST_WIDE_INT_PRINT_HEX): Ditto.
505         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
506         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
507
508 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
509
510         * target.h (struct calls): Add function_value_regno_p field.
511         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
512         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
513         * targhooks.c (default_function_value_regno_p): New function.
514         * targhooks.h (default_function_value_regno_p): Declare function.
515         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
516         * builtins.c. (apply_result_size): (Ditto.).
517         * combine.c. (likely_spilled_retval_p): (Ditto.).
518         * mode-switching.c. Include 'target.h'.
519         (create_pre_exit): Use function_value_regno_p hook.
520         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
521         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
522         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
523
524         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
525         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
526         (ix86_function_value_regno_p): Declare as static, change argument
527         type to const unsigned int.
528         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
529
530 2010-05-01  Richard Guenther  <rguenther@suse.de>
531
532         PR tree-optimization/43949
533         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
534         types.
535         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
536
537 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
538
539         * rtl.h (CONST_DOUBLE_P): Define.
540         (rtx_to_double_int): Declare.
541         * emit-rtl.c (rtx_to_double_int): New function.
542         * dwarf2out.c (insert_double): New function.
543         (loc_descriptor, add_const_value_attribute): Clean up, use
544         rtx_to_double_int and insert_double functions.
545
546 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
547
548         * doc/extend.texi (Inline): Add missing return keyword to examples.
549         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
550         "command-line".
551
552 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
553
554         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
555         the variable part of the offset as well.  Use highest_pow2_factor for
556         all alignment checks.
557
558 2010-04-30  Richard Guenther  <rguenther@suse.de>
559
560         PR tree-optimization/43879
561         * tree-ssa-structalias.c (type_could_have_pointers): Functions
562         can have pointers.
563
564 2010-04-30  Jan Hubicka  <jh@suse.cz>
565
566         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
567         varpool.
568         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
569
570 2010-04-30  Jan Hubicka  <jh@suse.cz>
571
572         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
573         New.
574         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
575         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
576         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
577         cgraph_node_set_needs_ltrans_p): Remove.
578
579 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
580
581         * sdbout.c: Include vec.h, do not include varray.h.
582         (deferred_global_decls, sdbout_global_decl,
583         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
584         * toplev.c: Do not include varray.h.
585         (dump_memory_report): Do not dump VARRAY statistics.
586         * gengtype.c (open_base_file): Ignore varray.h.
587         * Makefile.in: Update for abovementioned changes.
588         Remove all traces of varray.c and varray.h.
589         * varray.c: Remove file.
590         * varray.h: Remove file.
591
592 2010-04-30  Jan Hubicka  <jh@suse.cz>
593
594         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
595         references.
596
597 2010-04-30  Jan Hubicka  <jh@suse.cz>
598
599         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
600         needed.
601
602 2010-04-30  Richard Guenther  <rguenther@suse.de>
603
604         * tree-ssa-structalias.c (get_constraint_for_1): Generate
605         constraints for CONSTRUCTOR.
606
607 2010-04-30  Richard Guenther  <rguenther@suse.de>
608
609         PR lto/43946
610         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
611         first after all lowering passes.
612
613 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
614
615         * toplev.c: Include varray.h for statistics dumping.
616         * tree.h: Do not declare varray_head_tag.
617         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
618         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
619         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
620         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
621         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
622         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
623         c-common.c, c-common.h, reg-stack.c, basic-block.h,
624         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
625         include varray.h.
626         * Makefile.in: Update for abovementioned changes.
627
628 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
629
630         PR debug/43942
631         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
632
633 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
634
635         * config/picochip/picochip.c (picochip_legitimize_address): Define.
636         Use this function to do machine-specific conversion.
637         (picochip_legitimize_reload_address): Likewise.
638         (picochip_legitimate_address_p): Check valid base register only if
639         strict.
640         (picochip_check_conditional_copy): Check for modw only if opnd is
641         register.
642         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
643         to call the function in c.
644         * config/picochip/picochip-protos.h
645         (picochip_legitimize_reload_address): Define.
646         * config/picochip/picochip.md (supported_compare1): Define.
647
648 2010-04-30  Jan Hubicka  <jh@suse.cz>
649
650         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
651         (cgraph_global_info): Remove inlined.
652         (LTO_cgraph_tag_names): Remove.
653         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
654         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
655         simplify cgraph tags and document.
656         (lto_output_node): Use only LTO_cgraph_unavail_node and
657         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
658         for_functions_valid, global info, process and output flags.
659         (input_overwrite_node): Initialize estimated stack size and
660         estimated growth.  Do not read flags we no longer store.
661         (input_node): Likewise do not read info no longer stored.
662         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
663         flag.
664
665 2010-04-30  Richard Guenther  <rguenther@suse.de>
666
667         PR tree-optimization/43879
668         * tree-ssa-structalias.c (get_constraint_for_1): Properly
669         handle non-zero initializers.
670
671 2010-04-30  Richard Guenther  <rguenther@suse.de>
672
673         * builtins.c (fold_builtin_1): Delete free (0).
674
675 2010-04-29  Jan Hubicka  <jh@suse.cz>
676
677         * gengtype.c (open_base_files): Add lto-streamer.h
678         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
679         (pass_ipa_cp): GGC collect.
680         * toplev. (compile_file): Do not output symbols.
681         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
682         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
683         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
684         * lto-section-in.c: Include ggc.h
685         (lto_new_in_decl_state): Alloc in GGC.
686         (lto_delete_in_decl_state): Likewise.
687         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
688         Collect.
689
690 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
691
692         PR target/42895
693         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
694         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
695         (HONOR_REG_ALLOC_ORDER): Describe new macro.
696         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
697         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
698         account only if HONOR_REG_ALLOC_ORDER is not defined.
699         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
700         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
701
702 2010-04-29  Jon Grant  <04@jguk.org>
703
704         * collect2.c (vflag): Change type from int to bool.
705         (debug): Likewise.
706         (helpflag): New global bool.
707         (main): Set vflag and debug with boolean, not integer truth values.
708         Accept new "--help" option and output usage text if found.
709         * collect2.h (vflag): Update prototype.
710         (debug): Likewise.
711
712 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
713
714         PR bootstrap/43936
715         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
716
717 2010-04-29  Richard Guenther  <rguenther@suse.de>
718
719         PR bootstrap/43935
720         * plugin.h (invoke_plugin_callbacks): Annotate arguments
721         with ATTRIBUTE_UNUSED.
722
723 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
724
725         PR target/43921
726         * config/i386/i386.c (get_some_local_dynamic_name): Replace
727         INSN_P with NONDEBUG_INSN_P.
728         (distance_non_agu_define): Likewise.
729         (distance_agu_use): Likewise.
730
731 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
732
733         From Dominique d'Humieres <dominiq@lps.ens.fr>
734         PR bootstrap/43858
735         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
736         test_set.
737
738 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
739
740         * plugin.h (invoke_plugin_callbacks): New inline function.
741         * plugin.c (flag_plugin_added): New global flag.
742         (add_new_plugin): Initialize above flag.
743         (invoke_plugin_callbacks): Rename to ...
744         (invoke_plugin_callbacks_full): ... this.
745
746 2010-04-28  Jan Hubicka  <jh@suse.cz>
747
748         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
749         (lto_varpool_replace_node): New.
750         (lto_symtab_resolve_symbols): Resolve varpool nodes.
751         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
752         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
753         * cgraph.h (varpool_node_ptr): New type.
754         (varpool_node_ptr): New vector.
755         (varpool_node_set_def): New structure.
756         (varpool_node_set): New type.
757         (varpool_node_set): New vector.
758         (varpool_node_set_element_def): New structure.
759         (varpool_node_set_element, const_varpool_node_set_element): New types.
760         (varpool_node_set_iterator): New type.
761         (varpool_node): Add prev pointers, add used_from_other_partition,
762         in_other_partition.
763         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
764         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
765         varpool_get_node, varpool_remove_node): Declare.
766         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
767         varpool_node_set_size): New inlines.
768         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
769         * tree-pass.h (varpool_node_set_def): Forward declare.
770         (ipa_opt_pass_d): Summary writting takes vnode sets too.
771         (ipa_write_optimization_summaries): Update prototype.
772         * ipa-cp.c (ipcp_write_summary): Update.
773         * ipa-reference.c (ipa_reference_write_summary): Update.
774         * lto-cgraph.c (lto_output_varpool_node): New static function.
775         (output_varpool): New function.
776         (input_varpool_node): New static function.
777         (input_varpool_1): New function.
778         (input_cgraph): Input varpool.
779         * ipa-pure-const.c (pure_const_write_summary): Update.
780         * lto-streamer-out.c (lto_output): Update, output varpool too.
781         (write_global_stream): Kill WPA hack.
782         (produce_asm_for_decls): Update.
783         (output_alias_pair_p): Handle variables.
784         (output_unreferenced_globals): Output only needed partition of varpool.
785         * ipa-inline.c (inline_write_summary): Update.
786         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
787         cgraph.
788         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
789         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
790         varpool_node_set_new, varpool_node_set_add,
791         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
792         debug_varpool_node_set): New functions.
793         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
794         (execute_one_pass): Process new decls too.
795         (ipa_write_summaries_2): Pass around vsets.
796         (ipa_write_summaries_1): Likewise.
797         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
798         to add.
799         (ipa_write_optimization_summaries_1): Pass around vsets.
800         (ipa_write_optimization_summaries): Likewise.
801         * varpool.c (varpool_get_node): New.
802         (varpool_node): Update doubly linked lists.
803         (varpool_remove_node): New.
804         (dump_varpool_node): More dumping.
805         (varpool_enqueue_needed_node): Update doubly linked lists.
806         (decide_is_variable_needed): Kill ltrans hack.
807         (varpool_finalize_decl): Kill lto hack.
808         (varpool_assemble_decl): Skip decls in other partitions.
809         (varpool_assemble_pending_decls): Update doubly linkes lists.
810         (varpool_empty_needed_queue): Likewise.
811         (varpool_extra_name_alias): Likewise.
812         * lto-streamer.c (lto_get_section_name): Add vars section.
813         * lto-streamer.h (lto_section_type): Update.
814         (output_varpool, input_varpool): Declare.
815
816 2010-04-28  Mike Stump  <mikestump@comcast.net>
817
818         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
819
820 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
821
822         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
823         record or union type with RECORD_OR_UNION_TYPE_P predicate.
824         (lto_input_ts_type_tree_pointers): Likewise.
825         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
826         (lto_output_ts_type_tree_pointers): Likewise.
827
828 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
829
830         Uniquization of constants at the Tree level
831         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
832         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
833         bit to the end.
834         (tree_output_constant_def): Declare.
835         * gimplify.c (gimplify_init_constructor): When using block copy, first
836         uniquize the constant constructor on the RHS.
837         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
838         DECL_IN_CONSTANT_POOL flag.
839         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
840         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
841         constant pool.
842         (assemble_variable): Deal with symbols belonging to the tree constant
843         pool.
844         (get_constant_section): Add ALIGN parameter and simplify.
845         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
846         (assemble_constant_contents): Use the expression of the VAR_DECL.
847         (output_constant_def_contents): Use the alignment of the VAR_DECL.
848         (tree_output_constant_def): New global function.
849         (mark_constant): Use the expression of the VAR_DECL.
850         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
851         its expression.
852         (output_object_block): Likewise and assemble the expression.
853
854 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
855
856         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
857         hash_tree, eq_tree): New tree hash table.
858         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
859         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
860         lto_orig_address_remove): Reimplement.
861
862 2010-04-28  Xinliang David Li  <davidxl@google.com>
863
864         PR c/42643
865         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
866         (compute_uninit_opnds_pos): New function.
867         (is_non_loop_exit_postdominating): New function.
868         (compute_control_dep_chain): New function.
869         (find_pdom): New function.
870         (convert_control_dep_chain_into_preds): New function.
871         (find_predicates): New function.
872         (find_control_equiv_block): New function.
873         (collect_phi_def_edges): New function.
874         (find_def_preds): New function.
875         (find_dom): New function.
876         (dump_predicates): New function.
877         (get_cmp_code): New function.
878         (is_value_included_in): New function.
879         (find_matching_predicate_in_rest_chains): New function.
880         (use_pred_not_overlap_with_undef_path_pred): New function.
881         (is_use_properly_guarded): New function.
882         (normalize_cond_1): New function.
883         (is_and_or_or): New function.
884         (normalize_cond): New function.
885         (is_gcond_subset_of): New function.
886         (is_subset_of_any): New function.
887         (is_or_set_subset_of): New function.
888         (is_and_set_subset_of): New function.
889         (is_norm_cond_subset_of): New function.
890         (is_pred_expr_subset_of): New function.
891         (is_pred_chain_subset_of): New function.
892         (is_included_in): New function.
893         (is_superset_of): New function.
894         (find_uninit_use): New function.
895         (warn_uninitialized_phi): New function.
896         (compute_possibly_undefined_names): New function.
897         (ssa_undefined_value_p): New function.
898         (execute_late_warn_uninitialized): New function.
899         * tree-ssa.c (ssa_undefined_value_p): Removed.
900         (warn_uninit): Changed to extern.
901         (warn_uninitialized_phi): Removed.
902         (warn_uninitialized_vars): Changed to extern.
903         (execute_late_warn_uninitialized): Removed
904         * tree-flow.h: Add new prototypes.
905         * timevar.def: Add new time variable.
906         * Makefile.in: Add new build file.
907
908 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
909
910         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
911         type if available.
912
913 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
914
915         PR target/22224
916         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
917
918 2010-04-28  Martin Jambor  <mjambor@suse.cz>
919
920         * cgraph.h (struct cgraph_node): New field indirect_calls.
921         (struct cgraph_indirect_call_info): New type.
922         (struct cgraph_edge): Removed field indirect_call. New fields
923         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
924         (cgraph_create_indirect_edge): Declare.
925         (cgraph_make_edge_direct): Likewise.
926         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
927         * ipa-prop.h (struct ipa_param_call_note): Removed.
928         (struct ipa_node_params): Removed field param_calls.
929         (ipa_create_all_structures_for_iinln): Declare.
930         * cgraph.c: Described indirect edges and uids in initial comment.
931         (cgraph_add_edge_to_call_site_hash): New function.
932         (cgraph_edge): Search also among the indirect edges, use
933         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
934         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
935         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
936         site hash.
937         (initialize_inline_failed): Assign a reason to indirect edges.
938         (cgraph_create_edge_1): New function.
939         (cgraph_create_edge): Moved some functionality to
940         cgraph_create_edge_1.
941         (cgraph_create_indirect_edge): New function.
942         (cgraph_edge_remove_callee): Add an assert checking for
943         non-indirectness.
944         (cgraph_edge_remove_caller): Special-case indirect edges.
945         (cgraph_remove_edge): Likewise.
946         (cgraph_set_edge_callee): New function.
947         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
948         (cgraph_make_edge_direct): New function.
949         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
950         the declaration of the call statement matches.
951         (cgraph_node_remove_callees): Special-case indirect edges.
952         (cgraph_clone_edge): Likewise.
953         (cgraph_clone_node): Clone also the indirect edges.
954         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
955         indirect_call, dump count of indirect_calls edges.
956         * ipa-prop.c (iinlining_processed_edges): New variable.
957         (ipa_note_param_call): Create indirect edges instead of
958         creating notes.  New parameter node.
959         (ipa_analyze_call_uses): New parameter node, pass it on to
960         ipa_note_param_call.
961         (ipa_analyze_stmt_uses): Likewise.
962         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
963         (print_edge_addition_message): Work on edges rather than on notes.
964         (update_call_notes_after_inlining): Likewise, renamed to
965         update_indirect_edges_after_inlining.
966         (ipa_create_all_structures_for_iinln): New function.
967         (ipa_free_node_params_substructures): Do not free notes.
968         (ipa_edge_duplication_hook): Propagate bits within
969         iinlining_processed_edges bitmap.
970         (ipa_node_duplication_hook): Do not duplicate notes.
971         (free_all_ipa_structures_after_ipa_cp): Renamed to
972         ipa_free_all_structures_after_ipa_cp.
973         (free_all_ipa_structures_after_iinln): Renamed to
974         ipa_free_all_structures_after_iinln.g
975         (ipa_write_param_call_note): Removed.
976         (ipa_read_param_call_note): Removed.
977         (ipa_write_indirect_edge_info): New function.
978         (ipa_read_indirect_edge_info): Likewise.
979         (ipa_write_node_info): Do not stream notes, do stream information
980         in indirect edges.
981         (ipa_read_node_info): Likewise.
982         (lto_ipa_fixup_call_notes): Removed.
983         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
984         * ipa-inline.c (pass_ipa_inline): Likewise.
985         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
986         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
987         * tree-inline.c (copy_bb): Removed an unnecessary double check for
988         is_gimple_call.
989         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
990         edges.
991         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
992         (output_cgraph): Stream also indirect edges.
993         (lto_output_edge): Added capability to stream indirect edges.
994         (input_edge): Likewise.
995         (input_cgraph_1): Likewise.
996         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
997         of indirect edges.
998
999 2010-04-28  Richard Guenther  <rguenther@suse.de>
1000
1001         PR tree-optimization/43879
1002         PR tree-optimization/43909
1003         * tree-ssa-structalias.c (struct variable_info): Add
1004         only_restrict_pointers flag.
1005         (new_var_info): Initialize it.  Increment stats.total_vars here.
1006         (create_function_info_for): Do not increment stats.total_vars
1007         here.
1008         (get_function_part_constraint): Fix build with C++.
1009         (insert_into_field_list): Remove.
1010         (push_fields_onto_fieldstack): Properly merge fields.
1011         (create_variable_info_for): Split and simplify.
1012         (create_variable_info_for_1): New piece.
1013         (intra_create_variable_infos): Properly make restrict constraints
1014         from parameters.
1015
1016 2010-04-28  Richard Guenther  <rguenther@suse.de>
1017
1018         PR c++/43880
1019         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1020
1021 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1022             Jan Hubicka <hubicka@ucw.cz>
1023
1024         * doc/invoke.texi (-Wsuggest-attribute=const,
1025         -Wsuggest-attribute=pure): Document.
1026         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1027         (function_always_visible_to_compiler_p,
1028         suggest_attribute, warn_function_pure, warn_function_const):
1029         New functions.
1030         (check_call): Improve debug info.
1031         (analyze_function): Do not check availability.
1032         (add_new_function): Check availability.
1033         (propagate): Output warnings.
1034         (skip_function_for_local_pure_const): New function.
1035         (local_pure_const): Use it; output warnings.
1036         * common.opt (Wsuggest-attribute=const,
1037         Wsuggest-attribute=pure): New.
1038
1039 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1040
1041         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1042         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1043         or DW_CFA_def_cfa_offset{,_sf}.
1044
1045 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1046
1047         * tree.h: Fix truncated long macros.
1048
1049 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1050
1051         * collect2.c (TARGET_64BIT): Redefine to target's default.
1052         * tlink.c: Likewise.
1053         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1054         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1055         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1056         for underscoring __USER_LABEL_PREFIX__.
1057         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1058         (SUB_LINK_ENTRY32): New.
1059         (SUB_LINK_ENTRY64): New.
1060         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1061         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1062         (SUB_LINK_ENTRY64): New.
1063         (SUB_LINK_ENTRY): New.
1064         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1065         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1066         x64 target is choosen.
1067         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1068         * configure: Regenerated.
1069         * configure.ac (leading-mingw64-underscores): Option added.
1070
1071 2010-04-27  Jan Hubicka  <jh@suse.cz>
1072
1073         * doc/invoke.texi (-fipa-profile): Document.
1074         * opts.c (decode_options): Enable ipa-profile at -O1.
1075         * timevar.def (TV_IPA_PROFILE): Define.
1076         * common.opt (fipa-profile): Add.
1077         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1078         flag for clones.
1079         (cgraph_propagate_frequency): Handle only local ones.
1080         * tree-pass.h (pass_ipa_profile): Declare.
1081         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1082         (pass_ipa_profile): Use TV_IPA_PROFILE.
1083         * ipa.c (ipa_profile): New function.
1084         (gate_ipa_profile): Likewise.
1085         (pass_ipa_profile): New global variable.
1086         * passes.c (pass_ipa_profile): New.
1087
1088 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1089
1090         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1091
1092 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1093
1094         PR middle-end/43812
1095         * ipa.c (dissolve_same_comdat_group_list): New function.
1096         (function_and_variable_visibility): Call
1097         dissolve_same_comdat_group_list when comdat group contains external or
1098         newly local nodes.
1099         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1100         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1101
1102 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1103
1104         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1105         (const_hash_1) <VECTOR_CST>: New case.
1106         (compare_constant) <VECTOR_CST>: Likewise.
1107         <ADDR_EXPR>: Deal with LABEL_REFs.
1108         (copy_constant) <VECTOR_CST>: New case.
1109
1110 2010-04-27  Jan Hubicka  <jh@suse.cz>
1111
1112         * cgraph.c (cgraph_propagate_frequency): New function.
1113         * cgraph.h (cgraph_propagate_frequency): Declare.
1114         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1115         cgraph_propagate_frequency.
1116
1117 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1118
1119         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1120
1121 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1122
1123         PR target/40657
1124         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1125         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1126         here to determine which regs to push and how much stack to reserve.
1127
1128 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1129
1130         * doc/gimple.texi (gimple_statement_with_ops): Remove
1131         addresses_taken field.
1132         (gimple_statement_with_memory_ops): Likewise.
1133
1134 2010-04-27  Jan Hubicka  <jh@suse.cz>
1135
1136         * tree-inline.c (eni_inlining_weights): Remove.
1137         (estimate_num_insns): Special case more builtins.
1138
1139 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1140
1141         PR c/32207
1142         * c-typeck.c (build_binary_op): Move forward check for comparison
1143         pointer with null pointer constant and adjust the diagnostic message.
1144
1145 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1146
1147         PR lto/42776
1148         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1149         binutils supports extended .section directive needed by LTO, or
1150         warn if older binutils found.
1151         (LTO_BINARY_READER): New AC_SUBST'd variable.
1152         (LTO_USE_LIBELF): Likewise.
1153         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1154         variable.
1155         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1156         (LTO_USE_LIBELF): Likewise.
1157         * configure: Regenerate.
1158
1159         * collect2.c (is_elf): Rename from this ...
1160         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1161          object files in addition to ELF-formatted ones.
1162         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1163         symbol to be prefixed or not by an extra underscore.
1164
1165         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1166         * config/i386/winnt.c: Also #include lto-streamer.h
1167         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1168         LTO named sections.
1169         (i386_pe_asm_output_aligned_decl_common): Add comment.
1170         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1171
1172 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1173
1174         PR target/43889
1175         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1176         Add missing earlyclobber for second alternative.
1177
1178 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1179
1180         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1181         bits for artificial defs at the top of the block.
1182         * fwprop.c (single_def_use_enter_block): Don't call it.
1183
1184 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1185
1186         PR 43715
1187         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1188         instead of "$gcc_cv_objdump -T".
1189         Use "-undefined dynamic_lookup" on darwin.
1190         * gcc/configure: Regenerate.
1191
1192 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1193
1194         PR c/43893
1195         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1196
1197 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1198
1199         * c-parser.c (struct c_token): Move location field up.
1200         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1201         (struct c_declspecs): Convert typespec_word, storage_class, and
1202         default_int_p into bitfields.
1203         (struct c_declarator): Move loc field up.
1204
1205 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1206
1207         * cfgloop.h (struct loop): Move can_be_parallel field up.
1208         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1209         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1210         down.
1211         (struct iv_cand): Convert pos field into a bitfield.
1212         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1213         field up.
1214         (struct _stmt_vec_info): Shuffle fields for better packing.
1215
1216 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1217
1218         * varasm.c (IN_NAMED_SECTION): Remove guard.
1219         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1220         (IN_NAMED_SECTION_P): ...this.
1221         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1222         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1223
1224 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1225
1226         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1227         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1228         of shadowing it.  Fix comments.
1229
1230 2010-04-26  Jan Hubicka  <jh@suse.cz>
1231
1232         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1233         (cgraph_clone_node): Copy function frequency.
1234         * cgraph.h (node_frequency): New enum
1235         (struct cgraph_node): Add.
1236         * final.c (rest_of_clean_state): Update.
1237         * lto-cgraph.c (lto_output_node): Output node frequency.
1238         (input_overwrite_node): Input node frequency.
1239         * tre-ssa-loop-ivopts (computation_cost): Update.
1240         * lto-streamer-out.c (output_function): Do not output function
1241         frequency.
1242         * predict.c (maybe_hot_frequency_p): Update and handle functions
1243         executed once.
1244         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1245         attribute lookup.
1246         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1247         (compute_function_frequency): Set noreturn functions to be executed
1248         once.
1249         (choose_function_section): Update.
1250         * lto-streamer-in.c (input_function): Do not input function frequency.
1251         * function.c (allocate_struct_function): Do not initialize function
1252         frequency.
1253         * function.h (function_frequency): Remove.
1254         (struct function): Remove function frequency.
1255         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1256         (try_update): Update.
1257         * tree-inline.c (initialize_cfun): Do not update function frequency.
1258         * passes.c (pass_init_dump_file): Update.
1259         * i386.c (ix86_compute_frame_layout): Update.
1260         (ix86_pad_returns): Update.
1261
1262 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1263
1264         PR tree-optimization/43833
1265         * tree-vrp.c (range_int_cst_p): New.
1266         (range_int_cst_singleton_p): New.
1267         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1268         when both operands are constants.  Use range_int_cst_p in
1269         BIT_IOR_EXPR case.
1270
1271 2010-04-26  Jan Hubicka  <jh@suse.cz>
1272
1273         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1274
1275 2010-04-26  Richard Guenther  <rguenther@suse.de>
1276
1277         PR lto/43080
1278         * gimple.c (gimple_decl_printable_name): Deal gracefully
1279         with a NULL DECL_NAME.
1280
1281 2010-04-26  Richard Guenther  <rguenther@suse.de>
1282
1283         PR lto/42425
1284         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1285         if emitting debug information and it is either a function
1286         or a namespace decl.
1287
1288 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1289
1290         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1291         determine if the statement is vectorizable, and a macro to access it.
1292         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1293         Skip statements that can't be vectorized. If the analysis fails,
1294         mark the statement as unvectorizable if vectorizing basic block.
1295         (vect_compute_data_refs_alignment): Likewise.
1296         (vect_verify_datarefs_alignment): Skip statements marked as
1297         unvectorizable. Add print.
1298         (vect_analyze_group_access): Skip statements that can't be
1299         vectorized. If the analysis fails, mark the statement as
1300         unvectorizable if vectorizing basic block.
1301         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1302         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1303         generated stmts for SLP.
1304         (new_stmt_vec_info): Initialize the new field.
1305         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1306         statements marked as unvectorizable.
1307
1308 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1309
1310         * c-common.c (flag_isoc1x): New.
1311         (flag_isoc99): Update comment.
1312         * c-common.h (flag_isoc1x): New.
1313         (flag_isoc99): Update comment.
1314         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1315         __<type>_DECIMAL_DIG__.
1316         * c-opts.c (set_std_c1x): New.
1317         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1318         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1319         * c.opt (-std=c1x, -std=gnu1x): New options.
1320         * doc/cpp.texi: Mention -std=c1x.
1321         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1322         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1323         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1324         * doc/standards.texi: Mention C1X.
1325         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1326         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1327         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1328         Define for C1X.
1329
1330 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1331
1332         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1333         placeholder from 0x%x to %#x.
1334         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1335         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1336         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1337         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1338         * config/i386/i386.c (ix86_target_string): Ditto.
1339         (output_pic_addr_const): Ditto.
1340         (print_operand): Ditto.
1341
1342 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1343
1344         * combine.c (find_split_point): Add third argument.  Use it
1345         to find nested multiply-accumulate instructions.  Adjust calls.
1346         (try_combine): Adjust call to find_split_point.
1347
1348 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1349
1350         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1351
1352 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1353
1354         PR tree-optimization/41442
1355         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1356         (fold_binary_loc): Call it.
1357
1358 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1359
1360         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1361         * opts.c (common_handle_option): Allow disabling it.
1362         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1363
1364 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1365
1366         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1367         between modes if both types are integral.
1368
1369 2010-04-23  Richard Guenther  <rguenther@suse.de>
1370
1371         PR tree-optimization/43572
1372         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1373
1374 2010-04-23  Richard Guenther  <rguenther@suse.de>
1375
1376         PR lto/43455
1377         * tree-inline.c (tree_can_inline_p): Also check compatibility
1378         of return types.
1379
1380 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1381
1382         PR tree-optimization/43846
1383         * tree-sra.c (struct access): New flag grp_assignment_read.
1384         (build_accesses_from_assign): Set grp_assignment_read.
1385         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1386         (enum mark_read_status): New type.
1387         (analyze_access_subtree): Propagate grp_assignment_read, create
1388         accesses also if both direct_read and root->grp_assignment_read.
1389
1390 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1391
1392         PR middle-end/43835
1393         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1394         function does not have type attributes.
1395
1396 2010-04-23  Richard Guenther  <rguenther@suse.de>
1397
1398         PR lto/42653
1399         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1400         of FUNCTION_DECLs.
1401
1402 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1403
1404         * sese.h (create_if_region_on_edge): Remove.
1405
1406         * sese.c (create_if_region_on_edge): Make static.
1407
1408         * tree-inline.c: Do not include ggc.h.
1409
1410         * expr.c: Do not include ggc.h.
1411
1412         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1413         dependencies.
1414
1415 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1416
1417         PR target/43744
1418         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1419         in the middle of insns for casesi_worker_2.
1420
1421 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1422
1423         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1424
1425 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1426
1427         PR tree-optimization/43842
1428         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1429         loop unrolling in update of exit phis. Fix comment.
1430         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1431         least two reduction statements in the loop before starting SLP
1432         analysis.
1433
1434 2010-04-22  Nick Clifton  <nickc@redhat.com>
1435
1436         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1437
1438 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1439
1440         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1441         to simplify a + ~a.
1442
1443 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1444
1445         * tree-parloops.c (loop_parallel_p): New argument
1446         parloop_obstack.  Pass it down.
1447         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1448         pass it down, free it.
1449
1450         * tree-loop-linear.c (linear_transform_loops): Pass down
1451         lambda_obstack.
1452
1453         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1454         of type struct obstack *.
1455
1456         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1457         scratch_obstack.  Initialize it, pass down, free it.
1458
1459         * lambda.h (lambda_loop_new): Remove.
1460         (lambda_matrix_new, lambda_matrix_inverse)
1461         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1462         argument of type struct obstack *.
1463
1464         * lambda-trans.c (lambda_trans_matrix_new): New argument
1465         lambda_obstack.  Pass it down, use obstack allocation for ret.
1466         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1467         it down.
1468
1469         * lambda-mat.c (lambda_matrix_get_column)
1470         (lambda_matrix_project_to_null): Remove.
1471         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1472         allocation for mat.
1473         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1474         lambda_obstack.
1475
1476         * lambda-code.c (lambda_loop_new): New function.
1477         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1478         (lambda_compute_auxillary_space, lambda_compute_target_space)
1479         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1480         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1481         (build_access_matrix): New argument lambda_obstack.  Use obstack
1482         allocation for am.
1483         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1484         argument lambda_obstack.  Pass it down.
1485
1486 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1487
1488         * optabs.h (expand_widening_mult): Declare.
1489
1490 2010-04-22  Richard Guenther  <rguenther@suse.de>
1491
1492         PR tree-optimization/43845
1493         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1494         lookup the CALL_EXPR function and arguments.
1495
1496 2010-04-22  Nick Clifton  <nickc@redhat.com>
1497
1498         * config/stormy16/stormy16.c
1499         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1500         * config/stormy16/stormy16.h: Tidy up formatting.
1501         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1502         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1503         (ineqbranchsi): Delete pattern.
1504         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1505         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1506         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1507         stormy16-lib2-ucmpsi2.c.
1508
1509 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1510
1511         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1512         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1513         extra set merge_set_noclobber, and use it to relax the final test
1514         slightly.
1515         * df.h (df_simulate_find_noclobber_defs): Declare.
1516         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1517         conditional defs.
1518         (df_simulate_find_noclobber_defs): New function.
1519
1520 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1521
1522         * config/i386/i386.md: Use {} around multi-line preparation statements.
1523
1524 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1525
1526         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1527         (process_init_element): New argument of type struct obstack *.
1528
1529         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1530         (set_init_index, set_init_label, set_nonincremental_init)
1531         (set_nonincremental_init_from_string, find_init_member)
1532         (output_init_element, output_pending_init_elements)
1533         (process_init_element): New argument braced_init_obstack.  Pass it
1534         down.
1535         (push_range_stack, add_pending_init): New argument
1536         braced_init_obstack.  Use obstack allocation.
1537
1538         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1539         braced_init_obstack.  Pass it down.
1540         (c_parser_braced_init): New variables ret, braced_init_obstack.
1541         Initialize obstack, pass it down and finally free it.
1542
1543 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1544
1545         PR middle-end/29274
1546         * tree-pass.h (pass_optimize_widening_mul): Declare.
1547         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1548         gate_optimize_widening_mul): New static functions.
1549         (pass_optimize_widening_mul): New.
1550         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1551         <case MULT_EXPR>: Remove support for widening multiplies.
1552         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1553         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1554         simplify_gen_unary rather than directly building extensions.
1555         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1556         WIDEN_MULT_EXPR.
1557         * expmed.c (expand_widening_mult): New function.
1558         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1559
1560 2010-04-21  Jan Hubicka  <jh@suse.cz>
1561
1562         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1563         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1564         * lto-wpa-fixup.c: Remove.
1565         * Makefile.in (lto-wpa-fixup.o): Remove.
1566         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1567         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1568         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1569
1570 2010-04-21  Jan Hubicka  <jh@suse.cz>
1571
1572         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1573         add write_optimization_summary, read_optimization_summary.
1574         (ipa_write_summaries_of_cgraph_node_set): Remove.
1575         (ipa_write_optimization_summaries): Declare.
1576         (ipa_read_optimization_summaries): Declare.
1577         * ipa-cp.c (pass_ipa_cp): Update.
1578         * ipa-reference.c (pass_ipa_reference): Update.
1579         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1580         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1581         Update.
1582         * ipa-inline.c (pass_ipa_inline): Update.
1583         * ipa.c (pass_ipa_whole_program): Update.
1584         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1585         * passes.c (ipa_write_summaries_1): Do not test wpa.
1586         (ipa_write_optimization_summaries_1): New.
1587         (ipa_write_optimization_summaries): New.
1588         (ipa_read_summaries): Do not test ltrans.
1589         (ipa_read_optimization_summaries_1): New.
1590         (ipa_read_optimization_summaries): New.
1591
1592 2010-04-21  Jan Hubicka  <jh@suse.cz>
1593
1594         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1595         for boundary nodes.
1596         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1597
1598 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1599
1600         PR debug/40040
1601         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1602         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1603
1604 2010-04-21  Jan Hubicka  <jh@suse.cz>
1605
1606         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1607
1608 2010-04-21  Jan Hubicka  <jh@suse.cz>
1609
1610         * varpool.c (decide_is_variable_needed): Variable is always needed
1611         during ltrans.
1612
1613 2010-04-21  Jan Hubicka  <jh@suse.cz>
1614
1615         * opts.c (decode_options): Enable pure-const pass for whopr.
1616
1617 2010-04-21  Jan Hubicka  <jh@suse.cz>
1618
1619         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1620         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1621         at WPA dumping.
1622         (cgraph_decide_inlining): Do not expect callee to be removed in all
1623         cases.
1624
1625 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1626
1627         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1628
1629 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1630
1631         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1632         amdfam10_decode attributes.
1633
1634 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1635
1636         PR middle-end/43570
1637         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1638         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1639         (lower_copyprivate_clauses): Use private var in outer
1640         context instead of original var.  Make sure the types
1641         are correct for VLAs.
1642
1643 2010-04-21  Richard Guenther  <rguenther@suse.de>
1644
1645         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1646         to non-pointer objects.
1647
1648 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1649
1650         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1651         last chain entry if it starts with the still current label.
1652         (add_location_or_const_value_attribute): Check that
1653         loc_list->first->next is NULL instead of comparing ->first with ->last.
1654         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1655         to add_var_loc_to_decl.
1656
1657         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1658         >= 4 add also address size and segment size fields into CIE header.
1659
1660         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1661         long as address size is the same as sizeof (void *) and
1662         segment size is 0.
1663         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1664         address size or segment size is unexpected, return DW_EH_PE_omit.
1665         (classify_object_over_fdes): If get_cie_encoding returned
1666         DW_EH_PE_omit, return -1.
1667         (init_object): If classify_object_over_fdes returned -1,
1668         pretend there were no FDEs at all.
1669
1670 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1671
1672         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1673         bswap{si,di}2 using SWI48 mode iterator.
1674         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1675         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1676         set modrm attribute of bswap insn to 0 and remove length attribute.
1677         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1678         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1679         set mode attribute to <MODE> and remove length attribute.
1680
1681 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1682
1683         PR rtl-optimization/43520
1684         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1685         zero available registers.
1686
1687 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1688
1689         * builtins.c (fold_builtin_cproj): Fold more cases.
1690
1691 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1692
1693         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1694         (fold_builtin_1): Fold builtin cproj.
1695         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1696         Use ATTR_CONST_NOTHROW_LIST.
1697
1698 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1699
1700         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1701         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1702         ffsi2_no_cmove for !TARGET_CMOVE.
1703         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1704         (ffssi2): Remove expander.
1705         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1706         mode iterator.
1707         (ctz<mode>2): Ditto from ctz{si,di}2.
1708         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1709         mode iterator.
1710         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1711         mode iterator.
1712
1713 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1714
1715         * dwarf2out.c (AT_linkage_name): Define.
1716         (clone_as_declaration): Handle DW_AT_linkage_name.
1717         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1718         of DW_AT_MIPS_linkage_name.
1719         (move_linkage_attr): Likewise.
1720         (dwarf2out_finish): Likewise.
1721
1722 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1723
1724         PR middle-end/41952
1725         * fold-const.c (fold_comparison): New folding rule.
1726
1727 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1728
1729         * double-int.h (double_int_setbit): Declare.
1730         * double-int.c (double_int_setbit): New function.
1731         * rtl.h (immed_double_int_const): Declare.
1732         * emit-rtl.c (immed_double_int_const): New function.
1733         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1734         and immed_double_int_const functions.
1735         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1736         expand_copysign_bit):  (Ditto.).
1737         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1738         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1739         * dojump.c (prefer_and_bit_test): (Ditto.).
1740         * expr.c (convert_modes, reduce_to_bit_field_precision,
1741         const_vector_from_tree): (Ditto.).
1742         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1743
1744 2010-04-20  Jan Hubicka  <jh@suse.cz>
1745
1746         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1747         (dump_cgraph_node): Dump new flags.
1748         * cgraph.h (struct cgraph_node): Add flags
1749         reachable_from_other_partition and in_other_partition.
1750         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1751         other partition can not be removed.
1752         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1753         the other partition must be output; silence sanity checking on
1754         leaking functions bodies from other paritition.
1755         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1756         (lto_output_node): Output new flags; do not sanity check that inline
1757         clones are output; drop lto_forced_extern_inline_p code; do not mock
1758         visibility flags at partition boundaries.
1759         (add_node_to): New function.
1760         (output_cgraph): Use it to sort functions so masters appear before
1761         clones.
1762         (input_overwrite_node): Input new flags.
1763         * passes.c (ipa_write_summaries): Do not call
1764         lto_new_extern_inline_states.
1765         * lto-section-out.c (forced_extern_inline,
1766         lto_new_extern_inline_states lto_delete_extern_inline_states,
1767         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1768         * lto-streamer.h (lto_new_extern_inline_states,
1769         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1770         lto_forced_extern_inline_p): Kill.
1771
1772 2010-04-20  Richard Guenther  <rguenther@suse.de>
1773
1774         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1775         from vars that can have pointers.
1776         (process_constraint): Dump useless constraints.
1777
1778 2010-04-20  Richard Guenther  <rguenther@suse.de>
1779
1780         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1781         (dump_sa_points_to_info): Remove asserts.
1782         (init_base_vars): nothing_id isn't an escape point nor does it
1783         have pointers.
1784
1785 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1786
1787         * tree.h (TYPE_REF_IS_RVALUE): Define.
1788         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1789         should_move_die_to_comdat, prune_unused_types_walk): Handle
1790         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1791         (modified_type_die, gen_reference_type_die): Emit
1792         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1793         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1794
1795 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1796
1797         PR target/43635
1798         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1799         calls for -fpic -m31 if they have been sibcall optimized.
1800
1801 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1802
1803         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1804         ar.lc fixed and call-used.
1805
1806         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1807
1808 2010-04-19  Jan Hubicka  <jh@suse.cz>
1809
1810         * opts.c (decode_options): Disable whpr incompatible passes.
1811         * lto/lto.c (lto_1_to_1_map): Skip clones.
1812         (read_cgraph_and_symbols): Do not mark everything as needed.
1813         (do_whole_program_analysis): Do map only after optimizing;
1814         set proper cgraph_state; use passmanager.
1815
1816 2010-04-19  DJ Delorie  <dj@redhat.com>
1817
1818         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1819         POINTER_PLUS_EXPR and fix them.
1820
1821 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1822
1823         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1824         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1825         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1826         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1827         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1828         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1829         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1830         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1831         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1832         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1833         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1834
1835 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1836
1837         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1838         (check_cond_move_block): Likewise.
1839         (cond_move_process_if_block): Likewise.
1840         (noce_find_if_block): Improve formatting.
1841         (find_if_header): Pass 0 to memset and tweak conditions.
1842         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1843
1844 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1845
1846         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1847         for -gdwarf-4.
1848
1849         PR middle-end/43337
1850         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1851         with non-local decl doesn't need chain.
1852
1853 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1854
1855         * ira-color.c (allocno_reload_assign): Avoid accumulating
1856         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1857
1858 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1859
1860         * gimple.h (create_tmp_reg): Declare.
1861         * gimplify.c (create_tmp_reg): New function.
1862         (gimplify_return_expr): Use create_tmp_reg.
1863         (gimplify_omp_atomic): Likewise.
1864         (gimple_regimplify_operands): Likewise.
1865         * tree-dfa.c (make_rename_temp): Likewise.
1866         * tree-predcom.c (predcom_tmp_var): Likewise.
1867         (reassociate_to_the_same_stmt): Likewise.
1868         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1869         (get_replaced_param_substitute): Likewise.
1870         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1871         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1872         * tree-ssa-pre.c (get_representative_for): Likewise.
1873         (create_expression_by_pieces): Likewise.
1874         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1875         (create_tailcall_accumulator): Likewise.
1876
1877 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1878
1879         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1880         new_stmt.
1881         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1882
1883 2010-04-19  Richard Guenther  <rguenther@suse.de>
1884
1885         PR tree-optimization/43796
1886         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1887         from SCEV in the lattice.
1888         (vrp_visit_phi_node): Dump change.
1889
1890 2010-04-19  Richard Guenther  <rguenther@suse.de>
1891
1892         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1893         * configure: Re-generated.
1894
1895 2010-04-19  Richard Guenther  <rguenther@suse.de>
1896
1897         PR tree-optimization/43783
1898         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1899         constant ARRAY_REF operands two and three if possible.
1900
1901 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1902
1903         PR target/43766
1904         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1905
1906 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1907
1908         PR target/43662
1909         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1910
1911 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1912
1913         PR tree-optimization/37027
1914         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1915         and macro to access it.
1916         (vectorizable_reduction): Add argument.
1917         (vect_get_slp_defs): Likewise.
1918         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1919         statements for possible use in SLP.
1920         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1921         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1922         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1923         add new argument.
1924         (vectorizable_reduction): Likewise.
1925         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1926         vect_get_slp_defs.
1927         (vectorizable_type_demotion, vectorizable_type_promotion,
1928         vectorizable_store): Likewise.
1929         (vect_analyze_stmt): Update call to vectorizable_reduction.
1930         (vect_transform_stmt): Likewise.
1931         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1932         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1933         from different interleaving chains in same node.
1934         (vect_slp_rearrange_stmts): New function.
1935         (vect_supported_load_permutation_p): Allow load permutations for
1936         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1937         inside SLP nodes if necessary.
1938         (vect_analyze_slp_instance): Handle reductions.
1939         (vect_analyze_slp): Try to build SLP instances originating from groups
1940         of reductions.
1941         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1942         (vect_get_constant_vectors): Create initial vectors for reductions
1943         according to reduction code. Add new argument.
1944         (vect_get_slp_defs): Add new argument, pass it to
1945         vect_get_constant_vectors.
1946         (vect_schedule_slp_instance): Remove SLP tree root statements.
1947
1948 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1949
1950         * tree.h (ENUM_IS_SCOPED): Define.
1951         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1952         for ENUM_IS_SCOPED enums.
1953
1954 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1955
1956         * fold-const.c (fold_comparison): Use ssizetype.
1957         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1958         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1959         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1960         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1961
1962         * tree.h (initialize_sizetypes): Remove parameter.
1963         (build_common_tree_nodes): Remove second parameter.
1964         * stor-layout.c (initialize_sizetypes): Remove parameter.
1965         Always create an unsigned type.
1966         (set_sizetype): Assert that the passed type is unsigned and simplify.
1967         * tree.c (build_common_tree_nodes): Remove second parameter.
1968         Adjust call to initialize_sizetypes.
1969         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1970         build_common_tree_nodes.
1971
1972 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1973
1974         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1975
1976 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1977
1978         PR tree-optimization/43771
1979         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1980         load permutation doesn't have gaps.
1981
1982 2010-04-18  Jan Hubicka  <jh@suse.cz>
1983
1984         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1985         (sse_prologue_save_insn expander): Use new pattern.
1986         (sse_prologue_save_insn1): New pattern and splitter.
1987         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1988         blocks.
1989         * i386.c (setup_incoming_varargs_64): Do not compute jump
1990         destination here.
1991         (ix86_gimplify_va_arg): Update alignment needed.
1992         (ix86_local_alignment): Do not align all local arrays to 128bit.
1993
1994 2010-04-17  Jan Hubicka  <jh@suse.cz>
1995
1996         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1997
1998 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1999
2000         * arm.md (negdi2): Remove redundant code to force values into a
2001         register.
2002
2003 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2004
2005         * arm/bpabi.S: Add EABI alignment attributes to objects.
2006         * arm/bpabi-v6m.S: Likewise.
2007         * arm/crti.asm: Likewise.
2008         * arm/crtn.asm: Likewise.
2009         * arm/lib1funcs.asm: Likewise.
2010         * arm/libunwind.S: Likewise.
2011
2012 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2013
2014         * arm-protos.h (tune_params): New structure.
2015         * arm.c (current_tune): New variable.
2016         (arm_constant_limit): Delete.
2017         (struct processors): Add pointer to the tune parameters.
2018         (arm_slowmul_tune): New tuning option.
2019         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2020         (all_cores): Adjust to pick up the tuning model.
2021         (arm_constant_limit): New function.
2022         (arm_override_options): Select the appropriate tuning model.  Delete
2023         initialization of arm_const_limit.
2024         (arm_split_constant): Use the new constant-limit model.
2025         (arm_rtx_costs): Pick up the current tuning model.
2026         * arm.md (is_strongarm, is_xscale): Delete.
2027         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2028         for Xscale variant architectures.
2029         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2030
2031 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2032
2033         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2034         can_shift.
2035         (arm_rtx_costs_1): Remove unused variable extra_cost.
2036         (arm_unwind_emit_set): Use variable offset.
2037         (thumb1_output_casesi): Remove unused variable flags.
2038
2039 2010-04-16  Jeff Law  <law@redhat.com>
2040
2041         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2042         needing assignment rather than doing a two-phase assignment.  Remove
2043         unused variable 'm'.
2044
2045 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2046
2047         PR bootstrap/43767
2048         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2049
2050 2010-04-16  Doug Kwan  <dougkwan@google.com>
2051
2052         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2053         (next_operand_entry_id): New static variable.
2054         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2055         (add_to_ops_vec): Assigned unique ID to operand entry.
2056         (struct oecount_s): New field ID.
2057         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2058         (undistribute_ops_list): Assign unique IDs to oecounts.
2059         (init_reassoc): reset next_operand_entry_id.
2060
2061 2010-04-16  Doug Kwan  <dougkwan@google.com>
2062
2063         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2064         missing left parenthesis.
2065
2066 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2067
2068         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2069         *btdi_rex64 using SWI48 mode iterator.
2070         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2071         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2072         *jcc_btdi_mask_rex64.
2073
2074 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2075
2076         * double-int.h (tree_to_double_int): Convert to macro.
2077         * double-int.c (tree_to_double_int): Remove.
2078
2079 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2080
2081         PR debug/43762
2082         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2083         with want_address 2 and in case a single element list might be
2084         possible, call it again with want_address 0.
2085
2086 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2087
2088         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2089         case 'W' print operands for HI mode.
2090         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2091         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2092         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2093         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2094
2095         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2096
2097         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2098         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2099         #xx:3 and #xx:4 mode.
2100
2101         * config/h8300/h8300.md (inverted load with HImode dest): Add
2102         support for H8300SX.
2103
2104         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2105         satisfy 'U' constraint.
2106
2107 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2108
2109         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2110         * configure: Regenerate.
2111         * config.in: Regenerate.
2112         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2113         works.
2114
2115 2010-04-16  Richard Guenther  <rguenther@suse.de>
2116
2117         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2118         (struct tree_decl_common): ... here.
2119         (DECL_PT_UID): Adjust.
2120         (SET_DECL_PT_UID): Likewise.
2121         (DECL_PT_UID_SET_P): Likewise.
2122
2123 2010-04-16  Richard Guenther  <rguenther@suse.de>
2124
2125         PR tree-optimization/43572
2126         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2127         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2128         * tree-flow.h (is_call_clobbered): Remove.
2129         * tree-flow-inline.h (is_call_clobbered): Likewise.
2130         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2131         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2132         (execute_return_slot_opt): Adjust.
2133         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2134         check for call clobbered vars here.
2135         (find_tail_calls): Move tailcall verification to the
2136         proper place.
2137
2138 2010-04-16  Diego Novillo  <dnovillo@google.com>
2139
2140         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2141
2142 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2143
2144         PR target/40603
2145         * config/arm/arm.md (cbranchqi4): New pattern.
2146         * config/arm/predicates.md (const0_operand,
2147         cbranchqi4_comparison_operator): New predicates.
2148
2149 2010-04-16  Richard Guenther  <rguenther@suse.de>
2150
2151         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2152         (dump_gimple_stmt): Likewise.
2153
2154 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2155
2156         * recog.h (struct recog_data): New field is_operator.
2157         (struct insn_operand_data): New field is_operator.
2158         * recog.c (extract_insn): Set recog_data.is_operator.
2159         * genoutput.c (output_operand_data): Emit code to set the
2160         is_operator field.
2161         * reload.c (find_reloads): Use it rather than testing for an
2162         empty constraint string.
2163
2164         PR target/41514
2165         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2166         If the previous insn is a cbranchsi4_insn with the same arguments,
2167         omit the compare instruction.
2168
2169         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2170         register, inputs must be low registers and we need a low register
2171         scratch.  Handle alternative 2 like alternative 3.
2172
2173 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2174
2175         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2176         don't call get_addr on both.  If one expression is a VALUE and
2177         the other a REG, check VALUE's locs if the REG isn't among them.
2178
2179 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2180
2181         * config/sh/sh.h (sh_frame_pointer_required): New function.
2182         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2183         (flag_omit_frame_pointer) Set.
2184         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2185         (rounded_frame_size): Adjust size with outgoing_args_size.
2186         (sh_set_return_address): Must return from stack pointer.
2187         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2188         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2189         (ACCUMULATE_OUTGOING_ARGS): Define.
2190         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2191         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2192
2193 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2194
2195         PR target/43471
2196         * config/sh/sh.c (sh_legitimize_reload_address): Use
2197         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2198         Remove a unneeded check for offset_base.
2199
2200 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2201
2202         * configure: Regenerated.
2203
2204 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2205
2206         * config/s390/s390.c (s390_call_save_register_used): Switch back
2207         to HARD_REGNO_NREGS.
2208
2209 2010-04-15  Richard Guenther  <rguenther@suse.de>
2210
2211         * alias.c (alias_set_subset_of): Handle alias-set zero
2212         child properly.
2213
2214 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2215             Julian Brown  <julian@codesourcery.com>
2216
2217         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2218         alternatives according to use of high and low regs.
2219         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2220         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2221         optimizing for size on Thumb-2.
2222
2223 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2224
2225         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2226
2227 2010-04-15  Richard Guenther  <rguenther@suse.de>
2228
2229         * tree-ssa-structalias.c (struct variable_info): Add
2230         is_fn_info flag.
2231         (new_var_info): Initialize it.
2232         (dump_constraints): Support printing last added constraints.
2233         (debug_constraints): Adjust.
2234         (dump_constraint_graph): Likewise.
2235         (make_heapvar_for): Check for NULL cfun.
2236         (get_function_part_constraint): New function.
2237         (get_fi_for_callee): Likewise.
2238         (find_func_aliases): Properly implement IPA PTA constraints.
2239         (process_ipa_clobber): New function.
2240         (find_func_clobbers): Likewise.
2241         (insert_into_field_list_sorted): Remove.
2242         (create_function_info_for): Properly allocate vars for IPA mode.
2243         Do not use insert_into_field_list_sorted.
2244         (create_variable_info_for): Properly generate constraints for
2245         global vars in IPA mode.
2246         (dump_solution_for_var): Always dump the solution.
2247         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2248         (find_what_var_points_to): Adjust.
2249         (pt_solution_set): Change.
2250         (pt_solution_ior_into): New function.
2251         (pt_solution_empty_p): Export.
2252         (pt_solution_includes_global): Adjust.
2253         (pt_solution_includes_1): Likewise.
2254         (pt_solutions_intersect_1): Likewise.
2255         (dump_sa_points_to_info): Check some invariants.
2256         (solve_constraints): Move constraint dumping ...
2257         (compute_points_to_sets): ... here.
2258         (ipa_pta_execute): ... and here.
2259         (compute_may_aliases): Do not re-compute points-to info
2260         locally if IPA info is available.
2261         (ipa_escaped_pt): New global var.
2262         (ipa_pta_execute): Properly implement IPA PTA.
2263         * tree-into-ssa.c (dump_decl_set): Support dumping
2264         decls not in referenced-vars.
2265         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2266         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2267         (dump_points_to_solution): Likewise.
2268         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2269         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2270         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2271         (copy_decl_to_var): Copy DECL_PT_UID.
2272         (copy_result_decl_to_var): Likewise.
2273         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2274         (copy_node_stat): Copy it.
2275         * tree.h (DECL_PT_UID): New macro.
2276         (SET_DECL_PT_UID): Likewise.
2277         (DECL_PT_UID_SET_P): Likewise.
2278         (struct tree_decl_minimal): Add pt_uid member.
2279         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2280         (pt_solution_empty_p): Declare.
2281         (pt_solution_set): Adjust.
2282         (ipa_escaped_pt): Declare.
2283         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2284         * gimple-pretty-print.c (pp_points_to_solution): New function.
2285         (dump_gimple_call): Dump call clobber/use information.
2286         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2287         * tree-pass.h (TDF_ALIAS): New dump option.
2288         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2289         * doc/invoke.texi (-fipa-pta): Update documentation.
2290
2291 2010-04-15  Richard Guenther  <rguenther@suse.de>
2292
2293         * Makefile.in (OBJS-common): Add gimple-fold.o.
2294         (gimple-fold.o): New rule.
2295         * tree.h (maybe_fold_offset_to_reference,
2296         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2297         prototypes ...
2298         * gimple.h: ... here.
2299         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2300         may_propagate_address_into_dereference): Move prototypes ...
2301         * gimple.h: ... here.
2302         * tree-ssa-ccp.c (get_symbol_constant_value,
2303         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2304         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2305         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2306         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2307         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2308         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2309         gimplify_and_update_call_from_tree): Move ...
2310         * gimple-fold.c: ... here.  New file.
2311         (ccp_fold_builtin): Rename to ...
2312         (gimple_fold_builtin): ... this.
2313         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2314
2315 2010-04-15  Richard Guenther  <rguenther@suse.de>
2316
2317         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2318         fit_double_type, force_fit_type_double, add_double_with_sign,
2319         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2320         lrotate_double, rrotate_double, div_and_round_double): Move ...
2321         * double-int.c: ... here.
2322         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2323         add_double, neg_double, mul_double_with_sign, mul_double,
2324         lshift_double, rshift_double, lrotate_double, rrotate_double,
2325         div_and_round_double): Move prototypes ...
2326         * double-int.h: ... here.
2327
2328 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2329
2330         PR target/43742
2331         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2332         matching constraints to ensure inputs match the output.
2333
2334 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2335
2336         PR target/43742
2337         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2338         in an input-only operand.
2339
2340 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2341
2342         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2343         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2344         (double_int_negative_p): Convert to static inline function.
2345         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2346         (double_int_negative_p): Remove.
2347         * tree.h (lshift_double, rshift_double):
2348         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2349         * fold-const.c (fold_convert_const_int_from_real,
2350         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2351         (lshift_double): Change type of arith argument to bool.
2352         (rshift_double): Change type of arith argument to bool. Correct
2353         comment.
2354         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2355
2356 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2357
2358         PR target/21803
2359         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2360         at the start and end of the then/else blocks, and omit them from the
2361         conversion.
2362         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2363         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2364         (flow_find_head_matching_sequence): New function.
2365         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2366         * basic-block.h (flow_find_cross_jump,
2367         flow_find_head_matching_sequence): Declare functions.
2368
2369 2010-04-14  Jason Merrill  <jason@redhat.com>
2370
2371         PR c++/36625
2372         * c-common.c (attribute_takes_identifier_p): New fn.
2373         * c-common.h: Declare it.
2374
2375 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2376
2377         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2378         splitter condition.
2379         (*udivmod<mode>4): Ditto.
2380
2381 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2382
2383         * config/i386/i386.md (maxmin_int): Rename code attribute from
2384         maxminiprefix and update all users.
2385         (maxmin_float): Ditto from maxminfprefix.
2386         (logic): Ditto from logicprefix.
2387         (absneg_mnemonic): Ditto from absnegprefix.
2388         * config/i386/mmx.md: Update all users of maxminiprefix,
2389         maxminfprefix and logicprefix for rename.
2390         * config/i386/sse.md: Ditto.
2391         * config/i386/sync.md (sync_<code><mode>): Update for
2392         logicprefix rename.
2393
2394 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2395
2396         PR 42966
2397         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2398         warnings converted to errors.
2399
2400 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2401
2402         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2403         used insn_type variable.
2404         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2405         to avoid set-but-not-used warning.
2406
2407 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2408
2409         * df-core.c (df_ref_debug): Change format string placeholder
2410         from 0x%x to %#x.
2411         * dwarf2asm.c (dw2_asm_output_data_raw,
2412         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2413         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2414         * dwarf2out.c (output_cfi, output_cfi_directive,
2415         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2416         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2417         Ditto.
2418         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2419         * print-rtl.c (print_rtx): Ditto.
2420
2421 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2422
2423         PR middle-end/42694
2424         * builtins.c (expand_builtin_pow_root): New function to expand pow
2425         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2426         series of sqrt and cbrt calls under -ffast-math.
2427         (expand_builtin_pow): Call it.
2428
2429 2010-04-14  Michael Matz  <matz@suse.de>
2430
2431         PR tree-optimization/42963
2432         * tree-cfg.c (touched_switch_bbs): New static variable.
2433         (group_case_labels_stmt): New function broken out from ...
2434         (group_case_labels): ... here, use the above.
2435         (start_recording_case_labels): Allocate touched_switch_bbs.
2436         (end_recording_case_labels): Deallocate it, call
2437         group_case_labels_stmt.
2438         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2439
2440 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2441
2442         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2443         from insn template.
2444
2445 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2446
2447         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2448
2449 2010-04-13  Jan Hubicka  <jh@suse.cz>
2450
2451         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2452         of optimized out static functions.
2453         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2454         cost computation.  Also sanity check for overflows.
2455         (update_caller_keys): Update cgraph_edge_badness call; properly
2456         update fibheap and sanity check that it is up to date.
2457         (add_new_edges_to_heap): Update cgraph_edge_badness.
2458         (cgraph_decide_inlining_of_small_function): Likewise;
2459         add sanity checking that badness in heap is up to date;
2460         improve dumping of reason; Update badness of calls to the
2461         offline copy of function currently inlined; dump badness
2462         of functions not inlined because of unit growth limits.
2463
2464 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2465
2466         PR middle-end/32628
2467         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2468         because of sign-extension change when converting to sizetype here...
2469         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2470
2471         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2472         the folding to constants.  Remove redundant final conversion.
2473         (fold_binary) <associate>: Do not associate if the re-association of
2474         constants alone overflows.
2475         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2476         to the end of the list.
2477         (multiple_of_p) <COND_EXPR>: New case.
2478
2479 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2480
2481         * opt-functions.awk (opt_sanitized_name): New.
2482         (opt_enum): New.
2483         * optc-gen.awk: Use it
2484         * opth-gen.awk: Use it.
2485
2486 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2487
2488         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2489         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2490         children.  Call replace_uses_with_default_def_ssa_name to handle
2491         SSA_NAES on lhs.
2492
2493 2010-04-13  Michael Matz  <matz@suse.de>
2494
2495         PR middle-end/43730
2496         * builtins.c (expand_builtin_interclass_mathfn): Also create
2497         a register if the predicate doesn't match.
2498
2499 2010-04-13  Diego Novillo  <dnovillo@google.com>
2500
2501         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2502         * c-pch.c: Include timevar.h.
2503         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2504         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2505         * ggc-common.c: Include timevar.h.
2506         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2507         * timevar.def (TV_PCH_SAVE): Define.
2508         (TV_PCH_CPP_SAVE): Define.
2509         (TV_PCH_PTR_REALLOC): Define.
2510         (TV_PCH_PTR_SORT): Define.
2511         (TV_PCH_RESTORE): Define.
2512         (TV_PCH_CPP_RESTORE): Define.
2513
2514 2010-04-13  Michael Matz  <matz@suse.de>
2515
2516         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2517         into MINUS_EXPRs.
2518         (can_reassociate_p): New function.
2519         (break_up_subtract_bb, reassociate_bb): Use it.
2520
2521 2010-04-13  Richard Guenther  <rguenther@suse.de>
2522
2523         PR bootstrap/43737
2524         * builtins.c (c_readstr): Fix assert.
2525
2526 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2527
2528         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2529         when generating cltd insn.
2530
2531         (*ashl<mode>3_1): Remove special handling for register operand 2.
2532         (*ashlsi3_1_zext): Ditto.
2533         (*ashlhi3_1): Ditto.
2534         (*ashlhi3_1_lea): Ditto.
2535         (*ashlqi3_1): Ditto.
2536         (*ashlqi3_1_lea): Ditto.
2537         (*<shiftrt_insn><mode>3_1): Ditto.
2538         (*<shiftrt_insn>si3_1_zext): Ditto.
2539         (*<shiftrt_insn>qi3_1_slp): Ditto.
2540         (*<rotate_insn><mode>3_1): Ditto.
2541         (*<rotate_insn>si3_1_zext): Ditto.
2542         (*<rotate_insn>qi3_1_slp): Ditto.
2543
2544 2010-04-13  Richard Guenther  <rguenther@suse.de>
2545
2546         * tree-ssa-structalias.c (callused_id): Remove.
2547         (call_stmt_vars): New.
2548         (get_call_vi): Likewise.
2549         (lookup_call_use_vi): Likewise.
2550         (lookup_call_clobber_vi): Likewise.
2551         (get_call_use_vi): Likewise.
2552         (get_call_clobber_vi): Likewise.
2553         (make_transitive_closure_constraints): Likewise.
2554         (handle_const_call): Adjust to do per-call call-used handling.
2555         (handle_pure_call): Likewise.
2556         (find_what_var_points_to): Remove general callused handling.
2557         (init_base_vars): Likewise.
2558         (init_alias_vars): Initialize call_stmt_vars.
2559         (compute_points_to_sets): Process call-used and call-clobbered
2560         vars for call statements.
2561         (delete_points_to_sets): Free call_stmt_vars.
2562
2563 2010-04-13  Richard Guenther  <rguenther@suse.de>
2564
2565         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2566         Only add RW dependence for dependence distance zero.
2567         Adjust maximal vectorization factor according to dependences.
2568         Move alignment handling ...
2569         (vect_find_same_alignment_drs): ... here.  New function.
2570         (vect_analyze_data_ref_dependences): Adjust.
2571         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2572         (vect_analyze_data_refs): Adjust minimal vectorization factor
2573         according to data references.
2574         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2575         dependences before determining the vectorization factor.
2576         Analyze alignment after determining the vectorization factor.
2577         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2578         dependences before alignment.
2579         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2580         Adjust prototype.
2581         (vect_analyze_data_refs): Likewise.
2582         (MAX_VECTORIZATION_FACTOR): New define.
2583
2584 2010-04-13  Duncan Sands  <baldrick@free.fr>
2585
2586         * except.h (lang_eh_type_covers): Remove.
2587         * except.c (lang_eh_type_covers): Likewise.
2588
2589 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2590             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2591
2592         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2593         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2594         UNITS_PER_LONG where it is ABI relevant.
2595         (s390_return_addr_rtx): Likewise.
2596         (s390_back_chain_rtx): Likewise.
2597         (s390_frame_area): Likewise.
2598         (s390_frame_info): Likewise.
2599         (s390_initial_elimination_offset): Likewise.
2600         (save_gprs): Likewise.
2601         (s390_emit_prologue): Likewise.
2602         (s390_emit_epilogue): Likewise.
2603         (s390_function_arg_advance): Likewise.
2604         (s390_function_arg): Likewise.
2605         (s390_va_start): Likewise.
2606         (s390_gimplify_va_arg): Likewise.
2607         (s390_function_profiler): Likewise.
2608         (s390_optimize_prologue): Likewise.
2609         (s390_rtx_costs): Likewise.
2610         (s390_secondary_reload): Likewise.
2611         (s390_promote_function_mode): Likewise.
2612         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2613         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2614         registers available.
2615         (s390_unwind_word_mode): New function.
2616         (s390_function_value): Split 64 bit values into register pair if
2617         used as return value.
2618         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2619         function call parameters.  Handle parallels.
2620         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2621         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2622         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2623         (s390_expand_setmem): Remove unused variable src_addr.
2624         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2625         deal with 64 bit registers.
2626         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2627         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2628         (UNITS_PER_LONG): New macro.
2629         * libjava/include/s390-signal.h: Define extended ucontext
2630         structure containing the upper halfs of the 64 bit registers.
2631
2632 2010-04-13  Simon Baldwin  <simonb@google.com>
2633
2634         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2635
2636 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2637
2638         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2639         rvalue on the RHS if the LHS is of a non-renamable type.
2640         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2641
2642 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2643
2644         * gcc.c (cc1_options): Handle -iplugindir before processing
2645         the cc1 spec. Only add -iplugindir once.
2646         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2647         found.
2648         * common.opt (iplugindir): Remove `Separate' property, initialize.
2649         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2650         option.
2651         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2652         (distclean): Remove plugin dir.
2653         * doc/invoke.texi: Document -iplugindir.
2654
2655 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2656
2657         * doc/plugins.texi (Loading Plugins): Document short
2658         -fplugin=foo option.
2659         (Plugin API): Mention default_plugin_dir_name function.
2660
2661         * gcc.c (find_file_spec_function): Add new declaration.
2662         (static_spec_func): Use it for "find-file".
2663         (find_file_spec_function): Add new function.
2664         (cc1_options): Add -iplugindir option if -fplugin* options found.
2665
2666         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2667
2668         * plugin.c (add_new_plugin): Updated comment, and handle short
2669         plugin name.
2670         (default_plugin_dir_name): Added new function.
2671
2672         * common.opt (iplugindir): New option to set the plugin directory.
2673
2674 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2675
2676         * config/i386/i386.md (any_rotate): New code iterator.
2677         (rotate_insn): New code attribute.
2678         (rotate): Ditto.
2679         (SWIM124): New mode iterator.
2680         (<rotate_insn>ti3): New expander.
2681         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2682         any_rotate code iterator.
2683         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2684         using any_rotate code iterator and SWIM124 mode iterator.
2685         (ix86_rotlti3): New insn_and_split pattern.
2686         (ix86_rotrti3): Ditto.
2687         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2688         ix86_rotl{di,ti}3 patterns.
2689         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2690         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2691         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2692         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2693         code iterator and SWI mode iterator.
2694         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2695         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2696         code iterator.
2697         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2698         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2699         (bswap rotatert splitter): Add splitter.
2700         (bswap splitter): Macroize splitter using any_rotate code iterator.
2701         Add insn predicate to split only for TARGET_USE_XCHGB or when
2702         optimizing function for size.
2703
2704 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2705
2706         * config/pa/pa.c (emit_move_sequence): Remove use of
2707         deleted variable flag_argument_noalias.
2708
2709 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2710
2711         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2712         configurations.
2713         Add to unsupported targets list.
2714         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2715         sparc*-sun-solaris2.[567]* from target lists.
2716         * configure: Regenerate.
2717         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2718         removal.
2719         Remove Solaris 7 patch references.
2720         (Specific, sparc-sun-solaris2.7): Removed.
2721         (sparc-sun-solaris2*): Update Solaris 7 example.
2722         (sparc64-*-solaris2*): Likewise.
2723
2724 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2725
2726         * config.build (alpha*-dec-osf4*): Remove.
2727         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2728         of obsolete configurations.
2729         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2730         support.
2731         * config/alpha/t-osf4: Renamed to ...
2732         * config/alpha/t-osf5: ... this.
2733         * config/alpha/osf.h: Renamed to ...
2734         * config/alpha/osf5.h: ... this.
2735         Merged old osf5.h contents.
2736         Update comments.
2737         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2738         (EXTRA_SPECS): Removed.
2739         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2740         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2741         Document that.
2742
2743 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2744
2745         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2746
2747 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2748
2749         PR/43702
2750         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2751         __thiscall convention.
2752
2753 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2754
2755         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2756         orig_base.
2757         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2758
2759 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2760
2761         * function.c (assign_parms_initialize_all): Add unused attribute
2762         to fntype.
2763
2764 2010-04-12  Richard Guenther  <rguenther@suse.de>
2765
2766         * gsstruct.def (GSS_CALL): New.
2767         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2768         * gimple.h: Include tree-ssa-alias.h.
2769         (struct gimple_statement_call): New.
2770         (union gimple_statement_struct_d): Add gimple_call member.
2771         (gimple_call_reset_alias_info): Declare.
2772         (gimple_call_use_set): New function.
2773         (gimple_call_clobber_set): Likewise.
2774         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2775         * gimple.c (gimple_call_reset_alias_info): New function.
2776         (gimple_build_call_1): Call it.
2777         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2778         * tree-inline.c (remap_gimple_stmt): Likewise.
2779         (expand_call_inline): Remove callused handling.
2780         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2781         * tree-dfa.c (dump_variable): Likewise.
2782         * tree-parloops.c (parallelize_loops): Likewise.
2783         * tree-ssa.c (init_tree_ssa): Likewise.
2784         (delete_tree_ssa): Likewise.
2785         * tree-flow-inline.h (is_call_used): Remove.
2786         * tree-flow.h (struct gimple_df): Remove callused member.
2787         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2788         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2789         (ref_maybe_used_by_call_p_1): Simplify.
2790         (call_may_clobber_ref_p_1): Likewise.
2791         * tree-ssa-structalias.c (compute_points_to_sets): Set
2792         the call stmt used and clobbered sets.
2793         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2794         (find_tail_calls): Verify the tail call.
2795
2796 2010-04-12  Richard Guenther  <rguenther@suse.de>
2797
2798         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2799         single-iteration always-inline inlining.
2800         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2801         (cgraph_decide_inlining): Do not handle always-inline specially.
2802         (try_inline): Remove always-inline cycle detection special case.
2803         Do not recurse on always-inlines.
2804         (cgraph_early_inlining): Do not iterate if not optimizing.
2805         (cgraph_gate_early_inlining): remove.
2806         (pass_early_inline): Run unconditionally.
2807         (gate_cgraph_decide_inlining): New function.
2808         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2809         not inlining or optimizing.
2810         (cgraph_decide_inlining_of_small_functions): Also consider
2811         always-inline functions.
2812         (cgraph_default_inline_p): Return true for nodes which should
2813         disregard inline limits.
2814         (estimate_function_body_sizes): Assume zero size and time for
2815         nodes which are marked as disregarding inline limits.
2816         (cgraph_decide_recursive_inlining): Do not perform recursive
2817         inlining on always-inline nodes.
2818
2819 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2820
2821         PR bootstrap/43699
2822         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2823         for exprs satisfying handled_component_p.
2824
2825 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2826
2827         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2828         non-constant aggregate elements.
2829
2830         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2831         is a real initialization.
2832
2833 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2834
2835         PR c/36774
2836         * c-decl.c (start_function): Move forward check for nested function.
2837
2838 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2839
2840         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2841         * config/sh/sh.c: Include reload.h.
2842         (sh_legitimize_reload_address): New.
2843         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2844         sh_legitimize_reload_address.
2845
2846 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2847
2848         * config/sh/sh.md (*movqi_pop): New insn pattern.
2849         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2850
2851 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2852
2853         * config/i386/i386.md (any_shiftrt): New code iterator.
2854         (shiftrt_insn): New code attribute.
2855         (shiftrt): Ditto.
2856         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2857         using any_shiftrt code iterator.
2858         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2859         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2860         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2861         pattern from corresponding peephole2 patterns.
2862         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2863         using any_shiftrt code iterator.
2864         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2865         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2866         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2867         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2868         *{ashr,lshr}<mode>3_cmp_zext.
2869         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2870
2871 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2872
2873         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2874         scratch register.
2875         (*lshr<mode>3_cconly): Ditto.
2876
2877 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2878
2879         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2880         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2881         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2882         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2883         DWI mode iterator.
2884         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2885         from corresponding peephole2 patterns.
2886         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2887         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2888         and *lshrdi3_1_rex64 using SWI mode iterator.
2889         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2890         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2891         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2892         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2893         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2894         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2895         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2896         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2897         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2898         SWI mode iterator.
2899
2900 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2901
2902         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2903         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2904         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2905         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2906         DWI mode iterator.
2907         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2908         from corresponding peephole2 patterns.
2909         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2910         (ashrsi3_cvt): Rename from ashrsi3_31.
2911         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2912         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2913         and x86_64_shift_adj_3 using SWI48 mode iterator.
2914         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2915         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2916         and *ashrdi3_1_rex64 using SWI mode iterator.
2917         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2918         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2919         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2920         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2921         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2922         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2923         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2924         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2925         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2926         SWI mode iterator.
2927         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2928         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2929         x86_shift<mode>_adj_3 expanders.
2930
2931 2010-04-10  Wei Guozhi  <carrot@google.com>
2932
2933         PR target/42601
2934         * config/arm/arm.c (arm_pic_static_addr): New function.
2935         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2936         a static symbol.
2937         (arm_output_addr_const_extra): Output expression for new pattern.
2938         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2939
2940 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2941
2942         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2943         not enabled.
2944
2945         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2946         * web.c: Include "insn-config.h" and "recog.h".
2947         (union_match_dups): New function.
2948         (web_main): Call it.
2949         (union_defs): Don't try to recognize match_dups.
2950
2951         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2952         if doing so would replace the entire pattern.
2953
2954 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2955
2956         PR target/43707
2957         PR target/43709
2958         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2959         and splitter pattern.  Change splitter operand 1 predicate to
2960         nonmemory_operand.
2961
2962 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2963
2964         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2965         lattices are addresses of CONST_DECLs with the same initial value.
2966         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2967         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2968
2969 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2970             Bernd Schmidt  <bernds@codesourcery.com>
2971
2972         * loop-invariant.c (replace_uses): New static function.
2973         (move_invariant_reg): Use it to ensure we can replace the uses.
2974
2975 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2976
2977         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2978         function template.
2979         (picochip_override_options): Enable section anchors only above -O1.
2980         (picochip_reorg): Fixed a couple of build warnings.
2981
2982 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2983
2984         * configure.ac (plugin -rdynamic test): Log result.
2985         * configure: Regenerate.
2986         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2987         (RDYNAMIC_SPEC): Define.
2988         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2989
2990 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2991
2992         * configure.ac: Determine Sun ld version numbers.
2993         (comdat_group): Restrict GNU ld version checks to gld.
2994         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2995         (enable_comdat): Support --enable-comdat.
2996         * configure: Regenerate.
2997         * doc/install.texi (Configuration): Document --enable-comdat.
2998
2999 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3000
3001         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3002         * config/sol2-gld.h: ... here.
3003         * config.gcc (sparc*-*-solaris2*): Reflect this.
3004         (i[34567]86-*-solaris2*): Use it.
3005
3006 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3007
3008         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3009         setup_clocks_p.
3010         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3011
3012 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3013
3014         PR 42965
3015         * diagnostic.c (diagnostic_initialize): Initialize
3016         some_warnings_are_errors.
3017         (diagnostic_finish): New.
3018         (diagnostic_action_after_output): Call it before exiting.
3019         (diagnostic_report_diagnostic): Do not print message here. Set
3020         some_warnings_are_errors.
3021         * diagnostic.h (diagnostic_context): Delete
3022         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3023         (diagnostic_finish): Declare.
3024         * toplev.c (toplev_main): Call it before exit.
3025
3026 2010-04-09  Jason Merrill  <jason@redhat.com>
3027
3028         PR c++/42623
3029         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3030         for incomplete type.
3031
3032         PR c++/41788
3033         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3034         based on a warning flag.
3035
3036 2010-04-09  Richard Guenther  <rguenther@suse.de>
3037
3038         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3039
3040 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3041
3042         PR bootstrap/43684
3043         * varasm.c (default_assemble_visibility): Wrap vars that are
3044         set, but unused, by targets without GAS.
3045         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3046         Remove set, but unused, vars.
3047         (rs6000_legitimize_tls_address): Likewise.
3048         (altivec_expand_dst_builtin): Likewise.
3049         * config/darwin.c (machopic_classify_symbol): Likewise.
3050         (machopic_indirection_name): Likewise.
3051
3052 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3053
3054         * config/i386/i386.md (DWI): New mode iterator.
3055         (S): New mode attribute.
3056         (shift_operand): Ditto.
3057         (shift_immediate_operand): Ditto.
3058         (ashl_input_operand): Ditto.
3059         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3060         using SDWIM mode iterator.
3061         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3062         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3063         DWI mode iterator.
3064         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3065         from corresponding peephole2 patterns.
3066         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3067         and x86_64_shift_adj_1 using SWI48 mode iterator.
3068         (x86_shift<mode>_adj_2): Ditto.
3069         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3070         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3071         using SWI48 mode iterator.
3072         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3073         *ashldi3_cmp_rex64 using SWI mode iterator.
3074         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3075         *ashldi3_cconly_rex64 using SWI mode iterator.
3076         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3077         x86_shift<mode>_adj_{1,2}.
3078         (ix86_split_ashr): Ditto.
3079         (ix86_split_lshr): Ditto.
3080
3081 2010-04-09  Richard Guenther  <rguenther@suse.de>
3082
3083         * target.h (builtin_conversion): Pass in input and output types.
3084         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3085         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3086         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3087         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3088
3089         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3090         Handle AVX modes.
3091         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3092
3093 2010-04-09  Richard Guenther  <rguenther@suse.de>
3094
3095         PR target/43152
3096         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3097
3098 2010-04-09  Richard Guenther  <rguenther@suse.de>
3099
3100         * tree-vectorizer.h (struct _stmt_vec_info): Document
3101         that vectype is the type of the LHS.
3102         (supportable_widening_operation, supportable_narrowing_operation):
3103         Get both input and output vector types as arguments.
3104         (vect_is_simple_use_1): Declare.
3105         (get_same_sized_vectype): Likewise.
3106         * tree-vect-loop.c (vect_determine_vectorization_factor):
3107         Set STMT_VINFO_VECTYPE to the vector type of the def.
3108         (vectorizable_reduction): Adjust.
3109         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3110         Adjust.  Specify the output vector type.
3111         (vect_pattern_recog_1): Adjust.
3112         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3113         (vectorizable_call): Adjust.
3114         (vectorizable_conversion): Likewise.
3115         (vectorizable_operation): Likewise.
3116         (vectorizable_type_demotion): Likewise.
3117         (vectorizable_type_promotion): Likewise.
3118         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3119         the def.
3120         (vect_is_simple_use_1): New function.
3121         (supportable_widening_operation): Get both input and output
3122         vector types.
3123         (supportable_narrowing_operation): Likewise.
3124         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3125
3126 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3127
3128         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3129         __thiscall and _thiscall as predefined macros.
3130         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3131         thiscall attribute handling.
3132         (ix86_comp_type_attributes): Likewise.
3133         (ix86_function_regparm): Likewise.
3134         (ix86_return_pops_args): Likewise.
3135         (init_cumulative_args): Likewise.
3136         (find_drap_reg): Likewise.
3137         (ix86_static_chain): Likewise.
3138         (x86_this_parameter): Likewise.
3139         (x86_output_mi_thunk): Likewise.
3140         (ix86_attribute_table): Add description for thiscall attribute.
3141         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3142         * doc/extend.texi: Add documentation for thiscall.
3143
3144 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3145
3146         PR c++/28584
3147         * c.opt (Wint-to-pointer-cast): Available in C++.
3148         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3149
3150 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3151
3152         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3153         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3154         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3155         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3156         function type instead.  Reorder and simplify checks.
3157
3158         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3159
3160 2010-04-08  Jing Yu  <jingyu@google.com>
3161             Zdenek Dvorak  <ook@ucw.cz>
3162
3163         PR tree-optimization/42720
3164         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3165         loop unswitch conditions here from ...
3166         (tree_unswitch_single_loop): ... here.
3167
3168 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3169
3170         * tree-if-conv.c: Fix comments and simplify logic.
3171
3172 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3173
3174         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3175         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3176         (main_tree_if_conversion): Update call to tree_if_conversion.
3177
3178 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3179
3180         PR 42485
3181         * doc/invoke.texi (-b,-V): Delete.
3182         * doc/tm.texi: Do not mention -b.
3183         * gcc.c (display_help): Delete -b and -V.
3184         (process_command): Delete -b and -V.
3185         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3186
3187 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3188             Wolfgang Gellerich  <gellerich@de.ibm.com>
3189
3190         Implement target hook for loop unrolling
3191         * target.h (loop_unroll_adjust): Add a new target hook function.
3192         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3193         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3194         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3195         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3196         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3197         target hook.
3198         (decide_unroll_stupid): Likewise.
3199
3200 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3201
3202         PR target/43643
3203         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3204
3205 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3206
3207         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3208         (Specific, *-*-solaris2*): Likewise.
3209         Don't prefer Sun as over GNU as.
3210
3211 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3212
3213         * config/s390/s390.c (override_options): Adjust the z10
3214           defaults for max-unroll-times, max-completely-peeled-insns
3215           and max-completely-peel-times.
3216
3217 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3218
3219         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3220         instructions for z10.
3221         (s390_expand_setmem): Likewise.
3222         (s390_expand_cmpmem): Likewise.
3223
3224 2010-04-08  Richard Guenther  <rguenther@suse.de>
3225
3226         PR tree-optimization/43679
3227         * tree-ssa-pre.c (eliminate): Only propagate copies.
3228
3229 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3230
3231         PR bootstrap/43681
3232         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3233         set but not used variable warning.
3234
3235 2010-04-08  Wei Guozhi  <carrot@google.com>
3236
3237         PR target/41653
3238         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3239         (arm_size_rtx_costs): Call the new function when optimized for size.
3240
3241 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3242
3243         PR debug/43670
3244         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3245         op0 is not a MEM, just return NULL instead of assertion
3246         failure.
3247         (discover_nonconstant_array_refs): Don't walk debug stmts.
3248
3249 2010-04-08  Doug Kwan  <dougkwan@google.com>
3250
3251         * configure.ac: Recognize gold and do not use its version number
3252         to test ld features.
3253         * configure: Regenerate.
3254
3255 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3256
3257         PR middle-end/40815
3258         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3259         (negate_value): Move code to push elements to broken_up_substracts ...
3260         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3261         negative pair to plus_negates.
3262         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3263
3264 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3265
3266         * doc/install.texi (Configuration): Move description of
3267         --enable-lto, --with-libelf*, --enable-gold from Java section to
3268         general section.
3269
3270         * doc/generic.texi (Working with declarations)
3271         (Function Properties, C and C++ Trees): Fix typos.
3272         * doc/sourcebuild.texi (Top Level): Likewise.
3273
3274 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3275
3276         PR c/18624
3277         * tree.h (DECL_READ_P): Define.
3278         (struct tree_decl_common): Add decl_read_flag.
3279         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3280         a set but not used warning.
3281         (merge_decls): Merge DECL_READ_P flag.
3282         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3283         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3284         * c-common.c (handle_used_attribute, handle_unused_attribute):
3285         Likewise.
3286         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3287         New prototypes.
3288         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3289         New functions.
3290         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3291         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3292         c_parser_binary_expression, c_parser_cast_expression,
3293         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3294         Call default_function_array_read_conversion instead of
3295         default_function_array_conversion where needed.
3296         (c_parser_unary_expression, c_parser_conditional_expression,
3297         c_parser_postfix_expression_after_primary, c_parser_initelt):
3298         Likewise.  Call mark_exp_read where needed.
3299         (c_parser_statement_after_labels, c_parser_asm_operands,
3300         c_parser_typeof_specifier, c_parser_sizeof_expression,
3301         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3302         where needed.
3303         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3304         New.
3305         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3306         (warn_unused_but_set_parameter): Default to warn_unused
3307         && extra_warnings.
3308         * doc/invoke.texi: Document -Wunused-but-set-variable and
3309         -Wunused-but-set-parameter.
3310
3311         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3312         used count variable.
3313         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3314         when operandN variables aren't used in the body of the expander
3315         or splitter.
3316         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3317         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3318         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3319         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3320         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3321         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3322         * tree.c (PROCESS_ARG): Likewise.
3323
3324 2010-04-07  Simon Baldwin  <simonb@google.com>
3325
3326         * diagnostic.h (diagnostic_override_option_index): New macro to
3327         set a diagnostic's option_index.
3328         * c-tree.h (c_cpp_error): Add warning reason argument.
3329         * opts.c (_warning_as_error_callback): New.
3330         (register_warning_as_error_callback): Store callback for
3331         warnings enabled via enable_warning_as_error.
3332         (enable_warning_as_error): Call callback, minor code tidy.
3333         * opts.h (register_warning_as_error_callback): Declare.
3334         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3335         response to -Werror=.
3336         (c_common_init_options): Register warning_as_error_callback in opts.c.
3337         * common.opt: Add -Wno-cpp option.
3338         * c-common.c (struct reason_option_codes_t): Map cpp warning
3339         reason codes to gcc option indexes.
3340         * (c_option_controlling_cpp_error): New function, lookup the gcc
3341         option index for a cpp warning reason code.
3342         * (c_cpp_error): Add warning reason argument, call
3343         c_option_controlling_cpp_error for diagnostic_override_option_index.
3344         * doc/invoke.texi: Document -Wno-cpp.
3345
3346 2010-04-07  Richard Guenther  <rguenther@suse.de>
3347
3348         * ipa-reference.c (mark_load): Use get_base_address.
3349         (mark_store): Likewise.
3350
3351         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3352         inserting GIMPLE_NOPs into the IL.
3353         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3354         Explicitly strip handled components and indirect references.
3355
3356         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3357         folding address expressions.
3358         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3359         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3360         operand_equal_p to compare decls.
3361         (ptr_deref_may_alias_decl_p): Likewise.
3362         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3363         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3364         Handle reversed comparison ops.
3365         * tree-sra.c (asm_visit_addr): Use get_base_address.
3366         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3367         * ipa-reference.c (mark_address): Use get_base_address.
3368
3369 2010-04-07  Richard Guenther  <rguenther@suse.de>
3370
3371         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3372         Propagate constants everywhere.
3373
3374 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3375
3376         PR debug/43516
3377         * tree.c (MAX_INT_CACHED_PREC): Define.
3378         (nonstandard_integer_type_cache): New array.
3379         (build_nonstandard_integer_type): Cache results for precision
3380         <= MAX_INT_CACHED_PREC.
3381
3382 2010-04-07  Richard Guenther  <rguenther@suse.de>
3383
3384         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3385         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3386         * common.opt: Likewise.
3387         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3388         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3389         (nonoverlapping_memrefs_p): Likewise.
3390         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3391         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3392         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3393         OPT_fargument_noalias_global for backward compatibility.
3394
3395 2010-04-07  Richard Guenther  <rguenther@suse.de>
3396
3397         PR tree-optimization/43270
3398         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3399         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3400         * tree-ssa-pre.c (phi_translate_1): Adjust.
3401         (fully_constant_expression): Split out vn_reference handling to ...
3402         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3403         Fold reads from constant strings.
3404         (vn_reference_lookup): Handle fully constant references.
3405         (vn_reference_lookup_pieces): Likewise.
3406         * Makefile.in (expmed.o-warn): Add -Wno-error.
3407
3408 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3409
3410         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3411
3412 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3413
3414         PR driver/41594
3415         * gcc.c: Add -static-libstdc++ to list of recognized options.
3416
3417 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3418
3419         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3420
3421 2010-04-07  Richard Guenther  <rguenther@suse.de>
3422
3423         PR middle-end/42617
3424         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3425         bases build simple mem attributes to retain points-to information.
3426
3427 2010-04-07  Richard Guenther  <rguenther@suse.de>
3428
3429         PR middle-end/42617
3430         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3431         preserve points-to related information.
3432
3433 2010-04-07  Richard Guenther  <rguenther@suse.de>
3434
3435         PR middle-end/42617
3436         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3437         discard plain indirect references.
3438         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3439         * tree.c (tree_nop_conversion): Likewise.
3440
3441 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3442
3443         PR debug/43628
3444         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3445
3446 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3447
3448         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3449         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3450
3451 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3452
3453         * tree-if-conv.c: Fix indentation and comments.
3454
3455 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3456
3457         * tree-if-conv.c: Sort static functions in topological order.
3458
3459 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3460
3461         * tree-if-conv.c: Fix indentation and comments.
3462
3463 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3464
3465         PR middle-end/43519
3466         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3467         lang_hooks.types.type_for_size instead of
3468         build_nonstandard_integer_type.
3469         When converting an unsigned type to signed, double its precision.
3470         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3471         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3472         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3473         use lb <= ub.
3474
3475 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3476
3477         PR middle-end/43519
3478         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3479         POINTER_PLUS_EXPR for pointer types.
3480
3481 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3482
3483         PR middle-end/43519
3484         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3485         * graphite-clast-to-gimple.c: Include langhooks.h.
3486         (max_signed_precision_type): New.
3487         (max_precision_type): Takes two types as arguments.
3488         (precision_for_value): New.
3489         (precision_for_interval): New.
3490         (gcc_type_for_interval): New.
3491         (gcc_type_for_value): New.
3492         (gcc_type_for_clast_term): New.
3493         (gcc_type_for_clast_red): New.
3494         (gcc_type_for_clast_bin): New.
3495         (gcc_type_for_clast_expr): Split up into several functions.
3496         (gcc_type_for_clast_eq): Rewritten.
3497         (compute_bounds_for_level): New.
3498         (compute_type_for_level_1): New.
3499         (compute_type_for_level): New.
3500         (gcc_type_for_cloog_iv): Removed.
3501         (gcc_type_for_iv_of_clast_loop): Rewritten.
3502         (graphite_create_new_loop): Compute the lower and upper bound types
3503         with gcc_type_for_clast_expr.
3504         (graphite_create_new_loop_guard): Same.
3505         (find_cloog_iv_in_expr): Removed.
3506         (compute_cloog_iv_types_1): Removed.
3507         (compute_cloog_iv_types): Removed.
3508         (gloog): Do not call compute_cloog_iv_types.
3509         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3510         GBB_CLOOG_IV_TYPES.
3511         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3512         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3513         (GBB_CLOOG_IV_TYPES): Removed.
3514
3515 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3516
3517         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3518         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3519         (detect_commutative_reduction): Same.
3520
3521 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3522
3523         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3524         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3525         argument.
3526         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3527         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3528         (rewrite_commutative_reductions_out_of_ssa): Same.
3529         * passes.c (execute_function_todo): Call verify_ssa for every pass
3530         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3531         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3532         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3533         with an extra argument.
3534         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3535         verify_ssa only when the extra argument is true.
3536         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3537         with an extra argument.
3538         (tree_transform_and_unroll_loop): Same.
3539
3540 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3541
3542         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3543         for all the passes of the LNO having LOOP_CLOSED_SSA.
3544         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3545         * tree-loop-distribution.c (pass_loop_distribution): Same.
3546         * tree-pass.h (TODO_verify_loops): Removed.
3547         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3548         (pass_lim): Same.
3549         (pass_tree_unswitch): Same.
3550         (pass_predcom): Same.
3551         (pass_vectorize): Same.
3552         (pass_linear_transform): Same.
3553         (pass_graphite_transforms): Same.
3554         (pass_iv_canon): Same.
3555         (pass_complete_unroll): Same.
3556         (pass_complete_unrolli): Same.
3557         (pass_parallelize_loops): Same.
3558         (pass_loop_prefetch): Same.
3559         (pass_iv_optimize): Same.
3560
3561 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3562
3563         PR middle-end/32824
3564         * passes.c (init_optimization_passes): Move pass_lim before
3565         pass_copy_prop and pass_dce_loop.
3566
3567 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3568
3569         PR target/43667
3570         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3571         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3572         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3573         MULTI_* defines for 4 argument vpermil2p* builtins.
3574
3575 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3576
3577         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3578         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3579         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3580         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3581         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3582         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3583         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3584         Use x86_maybe_negate_const_int to output insn mnemonic.
3585         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3586         check from instruction predicate.  Update comments.
3587         * config/i386/sync.md (sync_add<mode>): Use
3588         x86_maybe_negate_const_int to output insn mnemonic.
3589
3590 2010-04-06  Jan Hubicka  <jh@suse.cz>
3591
3592         PR tree-optimization/42906
3593         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3594         IGNORE_SELF argument.  Set visited_control_parents for fully
3595         processed BBs.
3596         (find_obviously_necessary_stmts): Update call of
3597         mark_control_dependent_edges_necessary.
3598         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3599
3600 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3601
3602         * config/i386/i386.md: Remove comment about 'e' and 'E'
3603         operand modifier.
3604
3605 2010-04-06  Richard Guenther  <rguenther@suse.de>
3606
3607         PR tree-optimization/43627
3608         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3609         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3610         not varying.
3611
3612 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3613
3614         * BASE-VER: Change to 4.6.0.
3615
3616         PR target/43638
3617         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3618         handling.
3619
3620 2010-04-06  Richard Guenther  <rguenther@suse.de>
3621
3622         PR middle-end/43661
3623         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3624
3625 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3626
3627         * doc/invoke.texi (Optimize Options): Document that LTO
3628         won't remove object access purely due to incompatible
3629         declarations.
3630
3631 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3632
3633         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3634         Initialize variable.
3635
3636 2010-04-03  Richard Guenther  <rguenther@suse.de>
3637
3638         PR middle-end/42509
3639         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3640         require a non-NULL MEM_OFFSET.
3641
3642 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3643
3644         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3645         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3646         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3647         config/alpha/predicates.md, config/arm/arm.md,
3648         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3649         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3650         config/darwin9.h, config/darwin.c, config/darwin.h,
3651         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3652         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3653         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3654         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3655         config/mips/mips.md, config/mn10300/mn10300.c,
3656         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3657         config/rs6000/aix.h, config/rs6000/dfp.md,
3658         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3659         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3660         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3661         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3662         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3663         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3664         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3665         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3666         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3667         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3668         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3669         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3670         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3671         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3672         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3673         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3674         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3675         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3676         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3677         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3678         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3679         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3680         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3681         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3682         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3683         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3684         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3685         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3686         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3687         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3688         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3689         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3690         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3691         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3692         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3693         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3694
3695 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3696
3697         PR other/43620
3698         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3699         * aclocal.m4: Regenerate.
3700
3701 2010-04-02  Richard Guenther  <rguenther@suse.de>
3702
3703         PR tree-optimization/43629
3704         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3705         if we have seen a constant value.
3706
3707 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3708
3709         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3710
3711 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3712
3713         PR target/43469
3714         * arm.c (legitimize_tls_address): Adjust call to
3715         gen_tls_load_dot_plus_four.
3716         (arm_note_pic_base): New function.
3717         (arm_cannot_copy_insn_p): Use it.
3718         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3719         constraint.
3720
3721 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3722
3723         PR bootstrap/43531
3724
3725         Revert:
3726         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3727
3728         * Makefile.in ($(out_object_file)): Depend on
3729         gt-$(basename $(notdir $(out_file))).h.
3730
3731 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3732
3733         * config.gcc (lm32-*-rtems*): Add t-lm32.
3734
3735 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3736
3737         * config.gcc: Add lm32-*-rtems*.
3738         * config/lm32/rtems.h: New file.
3739
3740 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3741
3742         PR target/42609
3743         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3744
3745 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3746
3747         * dwarf2out.c (output_compilation_unit_header): For
3748         -gdwarf-4 use version 4 instead of version 3.
3749         (output_line_info): For version 4 and above emit additional
3750         maximum ops per insn header field.
3751         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3752
3753         * dwarf2out.c (is_c_family, is_java): Remove.
3754         (lower_bound_default): New function.
3755         (add_bound_info, gen_descr_array_type_die): Use it.
3756
3757 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3758
3759         PR debug/43325
3760         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3761         re-declaration when it happens in a function.
3762
3763 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3764
3765         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3766         (cgraph_remove_function_insertion_hook): Same.
3767         (cgraph_call_function_insertion_hooks): Same.
3768
3769 2010-04-01  Richard Guenther  <rguenther@suse.de>
3770
3771         PR middle-end/43614
3772         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3773         and TREE_THIS_VOLATILE.
3774         (copy_ref_info): Likewise.
3775         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3776         * tree.c (build6_stat): Ignore side-effects of all but arg5
3777         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3778         TARGET_MEM_REF.
3779
3780 2010-04-01  Richard Guenther  <rguenther@suse.de>
3781
3782         PR tree-optimization/43607
3783         * ipa-type-escape.c (check_call): Do not access non-existing
3784         arguments.
3785
3786 2010-04-01  Richard Guenther  <rguenther@suse.de>
3787
3788         PR middle-end/43602
3789         Revert
3790         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3791                     Jack Howarth <howarth@bromo.med.uc.edu>
3792
3793         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3794         variables TLS.
3795
3796 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3797
3798         * doc/install.texi (Prerequisites): Document libelf usability on
3799         IRIX 5/6 and Solaris 2.
3800         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3801         Update GNU as, GNU ld requirements.
3802         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3803         Document Sun Studio compiler download.
3804         Update and simplify as, ld recommendations.
3805         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3806
3807 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3808
3809         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3810         with_tune_32 to pentium4.
3811
3812 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3813
3814         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3815
3816 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3817
3818         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3819         obsoletion, removal.
3820         Update IDO URL.
3821         Document GNU as requirement.
3822         Update configure requirements.
3823         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3824         Recomment IRIX 6.5.18+.
3825         Document IDF/IDL requirement.
3826         Document GNU as requirement.
3827         Document GNU ld bootstrap failure.
3828         Remove freeware.sgi.com reference.
3829
3830 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3831
3832         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3833         UNIX V4.0, V5.0 obsoletion, removal.
3834         Remove --with-gc=simple reference.
3835         Update VM requirements during bootstrap.
3836         Remove -oldas bootstrap description.
3837         Update binutils reference.
3838         Remove comparison failure note.
3839
3840 2010-03-31  Richard Guenther  <rguenther@suse.de>
3841             Zdenek Dvorak  <ook@ucw.cz>
3842             Sebastian Pop  <sebastian.pop@amd.com>
3843
3844         PR middle-end/43464
3845         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3846         with multiple arguments.
3847         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3848
3849 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3850
3851         * graphite-dependences.c (print_pddr): Call print_pdr with an
3852         extra argument.
3853         * graphite-poly.c (debug_pdr): Add an extra argument for the
3854         verbosity level.
3855         (print_pdr): Same.
3856         (print_pbb_domain): Same.
3857         (print_pbb): Same.
3858         (print_scop_context): Same.
3859         (print_scop): Same.
3860         (print_cloog): Same.
3861         (debug_pbb_domain): Same.
3862         (debug_pbb): Same.
3863         (print_pdrs): Same.
3864         (debug_pdrs): Same.
3865         (debug_scop_context): Same.
3866         (debug_scop): Same.
3867         (debug_cloog): Same.
3868         (print_scop_params): Same.
3869         (debug_scop_params): Same.
3870         (print_iteration_domain): Same.
3871         (print_iteration_domains): Same.
3872         (debug_iteration_domain): Same.
3873         (debug_iteration_domains): Same.
3874         (print_scattering_function): Same.
3875         (print_scattering_functions): Same.
3876         (debug_scattering_function): Same.
3877         (debug_scattering_functions): Same.
3878         * graphite-poly.h (debug_pdr): Update declaration.
3879         (print_pdr): Same.
3880         (print_pbb_domain): Same.
3881         (print_pbb): Same.
3882         (print_scop_context): Same.
3883         (print_scop): Same.
3884         (print_cloog): Same.
3885         (debug_pbb_domain): Same.
3886         (debug_pbb): Same.
3887         (print_pdrs): Same.
3888         (debug_pdrs): Same.
3889         (debug_scop_context): Same.
3890         (debug_scop): Same.
3891         (debug_cloog): Same.
3892         (print_scop_params): Same.
3893         (debug_scop_params): Same.
3894         (print_iteration_domain): Same.
3895         (print_iteration_domains): Same.
3896         (debug_iteration_domain): Same.
3897         (debug_iteration_domains): Same.
3898         (print_scattering_function): Same.
3899         (print_scattering_functions): Same.
3900         (debug_scattering_function): Same.
3901         (debug_scattering_functions): Same.
3902
3903 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3904
3905         * graphite-poly.c (print_scattering_function_1): New.
3906         (print_scattering_function): Call it.
3907         (print_scop_params): Remove spaces at the end of lines.
3908         (print_cloog): New.
3909         (debug_cloog): New.
3910         * graphite-poly.h (print_cloog): Declared.
3911         (debug_cloog): Declared.
3912
3913 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3914
3915         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3916         in loop->header.
3917         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3918         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3919         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3920         to switch between adding the IV bump in loop->latch or in loop->header.
3921
3922 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3923
3924         * graphite-poly.c (print_scattering_function): Pretty print following
3925         the scoplib format.
3926         (print_pdr): Same.
3927         (print_pbb_domain): Same.
3928         (dump_gbb_cases): Same.
3929         (dump_gbb_conditions): Same.
3930         (print_pdrs): Same.
3931         (print_pbb): Same.
3932         (print_scop_params): Same.
3933         (print_scop_context): Same.
3934         (print_scop): Same.
3935         (print_pbb_body): New.
3936         (lst_indent_to): New.
3937         (print_lst): Start new lines with a #.
3938         * graphite-poly.h (pbb_bb): New.
3939         (pbb_index): Use pbb_bb.
3940         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3941         disjuncts.
3942         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3943
3944 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3945
3946         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3947         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3948         and 0 instead of 1 for dw_val_class_flag.
3949         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3950         dw_val_class_range_list, dw_val_class_loc_list,
3951         dw_val_class_lineptr and dw_val_class_macptr, use
3952         DW_FORM_flag_present for dw_val_class_flag and
3953         DW_FORM_exprloc for dw_val_class_loc.
3954         (output_die): For -gdwarf-4 print dw_val_class_loc
3955         size as uleb128 instead of 1 or 2 bytes and don't print
3956         anything for dw_val_class_flag.
3957
3958         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3959         instead of cselib_lookup following by tweaking locs->setting_insn.
3960
3961         PR bootstrap/43596
3962         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3963         even before returning from label, setjmp call or volatile asm
3964         handling.
3965
3966 2010-03-31  Richard Guenther  <rguenther@suse.de>
3967
3968         PR middle-end/43600
3969         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3970         temporary data on stack.
3971
3972 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3973
3974         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3975         (PUSHSECTION_ASM_OP): Remove.
3976         (POPSECTION_ASM_OP): Remove.
3977         (PUSHSECTION_FORMAT): Remove.
3978         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3979         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3980         * config/sol2.c (solaris_output_init_fini): Use it.
3981
3982 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3983
3984         PR 43574
3985         * opt-functions.awk (var_type_struct): Use signed char type
3986         for simple variables.
3987
3988 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3989
3990         * config/sol2.c: Include output.h.
3991         (solaris_assemble_visibility): New function.
3992         * config/t-sol2 (sol2.o): Add output.h dependency.
3993         * config/sol2-protos