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PR testsuite/43758
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-05  Jason Merrill  <jason@redhat.com>
2
3         PR testsuite/43758
4         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
5         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
6         (TARGET_INITIALIZER): Use it.
7         * c-common.c (attribute_takes_identifier_p): Call it.
8         * c-common.h: Update prototype.
9         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
10         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
11
12 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
13
14         PR debug/43950
15         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
16         DW_ID_down_case for Fortran compilation units.
17
18 2010-05-05  Jan Hubicka  <jh@suse.cz>
19
20         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
21         handle aliases.
22
23 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
24
25         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
26         a variable-sized RESULT_DECL.
27
28 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
29
30         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
31
32 2010-05-05  Jason Merrill  <jason@redhat.com>
33
34         PR c++/43787
35         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
36         returns GS_OK.
37         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
38
39 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
40             Jakub Jelinek  <jakub@redhat.com>
41
42         PR debug/43478
43         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
44         (dead_debug_init, dead_debug_finish): New functions.
45         (dead_debug_add, dead_debug_insert_before): Likewise.
46         (df_note_bb_compute): Initialize a dead_debug object, add dead
47         debug uses to it, insert debug bind insns before death insns,
48         reset debug insns that refer to pending uses at the end.
49         * rtl.h (make_debug_expr_from_rtl): New prototype.
50         * varasm.c (make_debug_expr_from_rtl): New function.
51
52 2010-05-05  Jan Hubicka  <jh@suse.cz>
53
54         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
55         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
56         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
57         lto_varpool_encoder_encode_initializer_p,
58         lto_set_varpool_encoder_encode_initializer): New functions.
59         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
60         call output_varpool.
61         (input_varpool_node): Do not always set analyzed.
62         (input_cgraph_1): Return vector of cgraph nodes.
63         (input_varpool_1): Return vector of varpools.
64         (input_cgraph): Free the vectors.
65         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
66         output only initializers needed.
67         (lto_output): Only call output_cgraph.
68         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
69         * lto-section-out.c (lto_new_out_decl_state): Initialize
70         state->varpool_node_encoder.
71         * lto-streamer.h (lto_varpool_encoder_d): New.
72         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
73         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
74         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
75         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
76         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
77         Declare.
78         (output_varpool, input_varpool): Remove declarations.
79
80 2010-05-05  Jan Hubicka  <jh@suse.cz>
81
82         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
83         with body can prevail.
84
85 2010-05-05  Jan Hubicka  <jh@suse.cz>
86
87         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
88         size.
89
90 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
91
92         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
93         dependencies.
94
95         * gengtype.h (erro_at_line): Constify pos argument.
96
97         * gengtype.c: Include hashtab.h.
98         (enum gc_used): Document GC_MAYBE_POINTED_TO.
99         (error_at_line): Constify pos argument.
100         (do_typedef): Initialize p->opt field.
101         (get_file_gtfilename): Fix comment typo.
102         (struct walk_type_data): Constify line field.
103         (get_output_file_for_structure): New function.
104         (write_local_func_for_structure): Constify orig_s argument.
105         Use get_output_file_for_structure.
106         (write_func_for_structure): Use get_output_file_for_structure.
107         (INDENT): New define.
108         (dump_pair, dump_type, dump_type_list, dump_typekind)
109         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
110         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
111         functions.
112         (seen_types): New variable.
113         (main): New variable do_dump.  Process "-d" command line option.
114         Call dump_everything if dump requested.
115
116 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
117
118         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
119         in a temporary instead of invoking the macro multiple times.
120         (track_expr_p): Likewise.
121
122 2010-05-04  Neil Vachharajani <nvachhar@google.com>
123
124         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
125         per new semantics.
126         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
127         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
128         conditions for printing notes.
129         * common.opt (-Wcoverage-mismatch): Allow negative, default to
130         true, update documentation.
131         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
132
133 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
134
135         PR c/43981
136         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
137         on dimen.
138
139 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
140
141         PR target/43799
142         * config/i386/i386.md (sse_prologue_save): Add clobber CC
143         register.
144         (*sse_prologue_save_insn1): Likewise.
145         (SSE prologue save splitter): Likewise.
146
147 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
148
149         * tree.c (free_lang_data_in_one_sizepos): New inline function.
150         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
151         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
152         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
153         all decls.  Call it on DECL_FIELD_OFFSET of fields.
154         (find_decls_types_r): Follow DECL_VALUE_EXPR.
155         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
156
157 2010-05-04  Martin Jambor  <mjambor@suse.cz>
158
159         * tree-sra.c (build_access_from_expr_1): The first parameter type
160         changed to simple tree.
161         (build_access_from_expr): Likewise, gsi parameter was eliminated.
162         (scan_assign_result): Renamed to assignment_mod_result, enum elements
163         renamed as well.
164         (build_accesses_from_assign): Removed all parameters except for a
165         simple gimple statement.  Now returns a simple bool.
166         (scan_function): All non-analysis parts moved to separate functions
167         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
168         parameters and updated both callers.
169         (sra_modify_expr): Removed parameter data.
170         (sra_modify_function_body): New function.
171         (perform_intra_sra): Call sra_modify_function_body to modify the
172         function body.
173         (replace_removed_params_ssa_names): Parameter data changed into
174         adjustments vector.
175         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
176         changed the parameter dont_convert to convert with the opposite
177         meaning.
178         (sra_ipa_modify_assign): Parameter data changed into adjustments
179         vector, return value changed to bool.
180         (ipa_sra_modify_function_body): New function.
181         (sra_ipa_reset_debug_stmts): Updated a comment.
182         (modify_function): Use ipa_sra_modify_function_body to modify function
183         body.
184
185 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
186
187         PR middle-end/43671
188         * alias.c (true_dependence): Handle the same VALUE in x and mem.
189         (canon_true_dependence): Likewise.
190         (write_dependence_p): Likewise.
191
192 2010-05-04  Jan Hubicka  <jh@suse.cz>
193
194         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
195         * cgraphbuild.c: Include ipa-utils.h
196         (record_reference_ctx): New struct.
197         (record_reference): Simplify to work on initializers; not statements.
198         (mark_address, mark_load, mark_store): New.
199         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
200         walk PHI nodes too.
201         (record_references_in_initializer): Update use of record_reference.
202         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
203         walk PHI nodes too.
204
205 2010-05-04  Jan Hubicka  <jh@suse.cz>
206
207         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
208         node will be removed anyway.
209         (lto_varpool_replace_node): Allow also unanalyzed nodes;
210         relink aliases of node into prevailing node.
211         * varpool.c (varpool_remove_node): Remove aliases properly;
212         when removing node, remove all its aliases too; remove DECL_INITIAL
213         of removed node; ggc_free the varpool node.
214
215 2010-05-04  Richard Guenther  <rguenther@suse.de>
216
217         PR tree-optimization/43879
218         * tree-ssa-structalias.c (alias_get_name): Use
219         DECL_ASSEMBLER_NAME if available.
220         (create_function_info_for): Return the varinfo node.
221         (ipa_pta_execute): Associate same-body aliases and extra names
222         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
223
224 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
225
226         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
227         static.
228
229 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
230
231         PR bootstrap/43964
232         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
233         only if HONOR_REG_ALLOC_ORDER is not defined.
234
235 2010-05-04  Richard Guenther  <rguenther@suse.de>
236
237         PR tree-optimization/43949
238         * tree-vrp.c (extract_range_from_binary_expr): Only handle
239         TRUNC_MOD_EXPR.
240
241 2010-04-26  Jason Merrill  <jason@redhat.com>
242
243         * c.opt (-fstrict-enums): New.
244         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
245
246 2010-05-03  David Ung <davidu@mips.com>
247             James E. Wilson  <wilson@codesourcery.com>
248
249         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
250         emit the trap instruction before the divide for TUNE_74K.
251
252 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
253
254         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
255         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
256         based on the above, for new target hook.
257
258         * hooks.c (hook_bool_mode_true): New generic hook.
259         * hooks.h (hook_bool_mode_true): Add prototype.
260
261         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
262         target hook.
263         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
264         target hook, set to hook_bool_mode_false.
265         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
266         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
267         with targetm.small_register_classes_for_mode_p.
268         (find_reusable_reload): Likewise.
269         (combine_reloads): Likewise.
270         * reload1.c (reload_as_needed): Likewise.
271         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
272         * ifcvt.c (noce_process_if_block, check_cond_move_block,
273         dead_or_predicable): Likewise.
274         * regmove.c (optimize_reg_copy_1): Likewise.
275         * calls.c (prepare_call_address): Likewise.
276         (precompute_register_parameters): Likewise.
277
278         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
279         hook definition.
280         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
281         implementation of the hook that considers all register classes
282         small except for SH64.
283         (sh_override_options): Use the new hook.
284         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
285         Add prototype.
286
287         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
288         hook definition.
289         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
290         implementation of the hook that considers all register classes
291         small for THUMB1.
292         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
293         Add prototype.
294
295         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
296         hook definition.
297         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
298         implementation of the hook that considers all register classes
299         small for MIPS16.
300         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
301         Add prototype.
302
303         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
304         hook definition.
305         * config/m32c/m32c.h: Likewise.
306         * config/pdp11/pdp11.h: Likewise.
307         * config/avr/avr.h: Likewise.
308         * config/xtensa/xtensa.h: Likewise.
309         * config/m68hc11/m68hc11.h: Likewise.
310         * config/mn10300/mn10300.h: Likewise.
311         * config/mcore/mcore.h: Likewise.
312         * config/h8300/h8300.h: Likewise.
313         * config/bfin/bfin.h: Likewise.
314
315         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
316         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
317
318 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
319
320         * double-int.h (tree_to_double_int): Remove macro.
321         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
322         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
323         (tree_to_double_int): New function.
324         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
325         Move ...
326         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
327
328 2010-05-03  Richard Guenther  <rguenther@suse.de>
329
330         PR tree-optimization/43971
331         * tree-ssa-structalias.c (get_constraint_for_1): Fix
332         constraints in the !flag_delete_null_pointer_checks case.
333
334 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
335
336         PR debug/43972
337         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
338         result mode matches original rtl mode.
339
340 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
341
342         PR target/43888
343         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
344
345 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
346
347         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
348         when processing flag options.
349
350 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
351
352         * gcov-iov.c (main): Change format string placeholder
353         from %#08x to 0x%08x.
354         * genchecksum.c (dosum): Change format string placeholder
355         from %#02x to 0x%02x.
356
357 2010-05-02  Richard Guenther  <rguenther@suse.de>
358
359         PR tree-optimization/43879
360         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
361
362 2010-05-02  Bruno Haible  <bruno@clisp.org>
363
364         * doc/extend.texi (Function Attributes): Fix a typo.
365
366 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
367
368         Revert:
369         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
370         placeholder from 0x%x to %#x.
371         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
372         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
373         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
374         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
375         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
376         * config/i386/i386.c (ix86_target_string): Ditto.
377         * config/i386/i386.c (output_pic_addr_const): Ditto.
378         (print_operand): Ditto.
379
380 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
381
382         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
383         placeholder from 0x%x to %#x.
384         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
385         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
386         (ASM_OUTPUT_DEBUG_DATA): Ditto.
387         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
388         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
389         * optc-gen.awk: Ditto.
390         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
391         (HOST_WIDE_INT_PRINT_HEX): Ditto.
392         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
393         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
394
395 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
396
397         * target.h (struct calls): Add function_value_regno_p field.
398         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
399         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
400         * targhooks.c (default_function_value_regno_p): New function.
401         * targhooks.h (default_function_value_regno_p): Declare function.
402         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
403         * builtins.c. (apply_result_size): (Ditto.).
404         * combine.c. (likely_spilled_retval_p): (Ditto.).
405         * mode-switching.c. Include 'target.h'.
406         (create_pre_exit): Use function_value_regno_p hook.
407         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
408         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
409         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
410
411         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
412         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
413         (ix86_function_value_regno_p): Declare as static, change argument
414         type to const unsigned int.
415         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
416
417 2010-05-01  Richard Guenther  <rguenther@suse.de>
418
419         PR tree-optimization/43949
420         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
421         types.
422         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
423
424 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
425
426         * rtl.h (CONST_DOUBLE_P): Define.
427         (rtx_to_double_int): Declare.
428         * emit-rtl.c (rtx_to_double_int): New function.
429         * dwarf2out.c (insert_double): New function.
430         (loc_descriptor, add_const_value_attribute): Clean up, use
431         rtx_to_double_int and insert_double functions.
432
433 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
434
435         * doc/extend.texi (Inline): Add missing return keyword to examples.
436         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
437         "command-line".
438
439 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
440
441         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
442         the variable part of the offset as well.  Use highest_pow2_factor for
443         all alignment checks.
444
445 2010-04-30  Richard Guenther  <rguenther@suse.de>
446
447         PR tree-optimization/43879
448         * tree-ssa-structalias.c (type_could_have_pointers): Functions
449         can have pointers.
450
451 2010-04-30  Jan Hubicka  <jh@suse.cz>
452
453         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
454         varpool.
455         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
456
457 2010-04-30  Jan Hubicka  <jh@suse.cz>
458
459         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
460         New.
461         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
462         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
463         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
464         cgraph_node_set_needs_ltrans_p): Remove.
465
466 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
467
468         * sdbout.c: Include vec.h, do not include varray.h.
469         (deferred_global_decls, sdbout_global_decl,
470         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
471         * toplev.c: Do not include varray.h.
472         (dump_memory_report): Do not dump VARRAY statistics.
473         * gengtype.c (open_base_file): Ignore varray.h.
474         * Makefile.in: Update for abovementioned changes.
475         Remove all traces of varray.c and varray.h.
476         * varray.c: Remove file.
477         * varray.h: Remove file.
478
479 2010-04-30  Jan Hubicka  <jh@suse.cz>
480
481         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
482         references.
483
484 2010-04-30  Jan Hubicka  <jh@suse.cz>
485
486         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
487         needed.
488
489 2010-04-30  Richard Guenther  <rguenther@suse.de>
490
491         * tree-ssa-structalias.c (get_constraint_for_1): Generate
492         constraints for CONSTRUCTOR.
493
494 2010-04-30  Richard Guenther  <rguenther@suse.de>
495
496         PR lto/43946
497         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
498         first after all lowering passes.
499
500 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
501
502         * toplev.c: Include varray.h for statistics dumping.
503         * tree.h: Do not declare varray_head_tag.
504         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
505         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
506         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
507         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
508         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
509         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
510         c-common.c, c-common.h, reg-stack.c, basic-block.h,
511         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
512         include varray.h.
513         * Makefile.in: Update for abovementioned changes.
514
515 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
516
517         PR debug/43942
518         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
519
520 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
521
522         * config/picochip/picochip.c (picochip_legitimize_address): Define.
523         Use this function to do machine-specific conversion.
524         (picochip_legitimize_reload_address): Likewise.
525         (picochip_legitimate_address_p): Check valid base register only if
526         strict.
527         (picochip_check_conditional_copy): Check for modw only if opnd is
528         register.
529         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
530         to call the function in c.
531         * config/picochip/picochip-protos.h
532         (picochip_legitimize_reload_address): Define.
533         * config/picochip/picochip.md (supported_compare1): Define.
534
535 2010-04-30  Jan Hubicka  <jh@suse.cz>
536
537         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
538         (cgraph_global_info): Remove inlined.
539         (LTO_cgraph_tag_names): Remove.
540         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
541         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
542         simplify cgraph tags and document.
543         (lto_output_node): Use only LTO_cgraph_unavail_node and
544         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
545         for_functions_valid, global info, process and output flags.
546         (input_overwrite_node): Initialize estimated stack size and
547         estimated growth.  Do not read flags we no longer store.
548         (input_node): Likewise do not read info no longer stored.
549         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
550         flag.
551
552 2010-04-30  Richard Guenther  <rguenther@suse.de>
553
554         PR tree-optimization/43879
555         * tree-ssa-structalias.c (get_constraint_for_1): Properly
556         handle non-zero initializers.
557
558 2010-04-30  Richard Guenther  <rguenther@suse.de>
559
560         * builtins.c (fold_builtin_1): Delete free (0).
561
562 2010-04-29  Jan Hubicka  <jh@suse.cz>
563
564         * gengtype.c (open_base_files): Add lto-streamer.h
565         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
566         (pass_ipa_cp): GGC collect.
567         * toplev. (compile_file): Do not output symbols.
568         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
569         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
570         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
571         * lto-section-in.c: Include ggc.h
572         (lto_new_in_decl_state): Alloc in GGC.
573         (lto_delete_in_decl_state): Likewise.
574         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
575         Collect.
576
577 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
578
579         PR target/42895
580         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
581         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
582         (HONOR_REG_ALLOC_ORDER): Describe new macro.
583         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
584         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
585         account only if HONOR_REG_ALLOC_ORDER is not defined.
586         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
587         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
588
589 2010-04-29  Jon Grant  <04@jguk.org>
590
591         * collect2.c (vflag): Change type from int to bool.
592         (debug): Likewise.
593         (helpflag): New global bool.
594         (main): Set vflag and debug with boolean, not integer truth values.
595         Accept new "--help" option and output usage text if found.
596         * collect2.h (vflag): Update prototype.
597         (debug): Likewise.
598
599 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
600
601         PR bootstrap/43936
602         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
603
604 2010-04-29  Richard Guenther  <rguenther@suse.de>
605
606         PR bootstrap/43935
607         * plugin.h (invoke_plugin_callbacks): Annotate arguments
608         with ATTRIBUTE_UNUSED.
609
610 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
611
612         PR target/43921
613         * config/i386/i386.c (get_some_local_dynamic_name): Replace
614         INSN_P with NONDEBUG_INSN_P.
615         (distance_non_agu_define): Likewise.
616         (distance_agu_use): Likewise.
617
618 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
619
620         From Dominique d'Humieres <dominiq@lps.ens.fr>
621         PR bootstrap/43858
622         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
623         test_set.
624
625 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
626
627         * plugin.h (invoke_plugin_callbacks): New inline function.
628         * plugin.c (flag_plugin_added): New global flag.
629         (add_new_plugin): Initialize above flag.
630         (invoke_plugin_callbacks): Rename to ...
631         (invoke_plugin_callbacks_full): ... this.
632
633 2010-04-28  Jan Hubicka  <jh@suse.cz>
634
635         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
636         (lto_varpool_replace_node): New.
637         (lto_symtab_resolve_symbols): Resolve varpool nodes.
638         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
639         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
640         * cgraph.h (varpool_node_ptr): New type.
641         (varpool_node_ptr): New vector.
642         (varpool_node_set_def): New structure.
643         (varpool_node_set): New type.
644         (varpool_node_set): New vector.
645         (varpool_node_set_element_def): New structure.
646         (varpool_node_set_element, const_varpool_node_set_element): New types.
647         (varpool_node_set_iterator): New type.
648         (varpool_node): Add prev pointers, add used_from_other_partition,
649         in_other_partition.
650         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
651         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
652         varpool_get_node, varpool_remove_node): Declare.
653         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
654         varpool_node_set_size): New inlines.
655         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
656         * tree-pass.h (varpool_node_set_def): Forward declare.
657         (ipa_opt_pass_d): Summary writting takes vnode sets too.
658         (ipa_write_optimization_summaries): Update prototype.
659         * ipa-cp.c (ipcp_write_summary): Update.
660         * ipa-reference.c (ipa_reference_write_summary): Update.
661         * lto-cgraph.c (lto_output_varpool_node): New static function.
662         (output_varpool): New function.
663         (input_varpool_node): New static function.
664         (input_varpool_1): New function.
665         (input_cgraph): Input varpool.
666         * ipa-pure-const.c (pure_const_write_summary): Update.
667         * lto-streamer-out.c (lto_output): Update, output varpool too.
668         (write_global_stream): Kill WPA hack.
669         (produce_asm_for_decls): Update.
670         (output_alias_pair_p): Handle variables.
671         (output_unreferenced_globals): Output only needed partition of varpool.
672         * ipa-inline.c (inline_write_summary): Update.
673         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
674         cgraph.
675         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
676         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
677         varpool_node_set_new, varpool_node_set_add,
678         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
679         debug_varpool_node_set): New functions.
680         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
681         (execute_one_pass): Process new decls too.
682         (ipa_write_summaries_2): Pass around vsets.
683         (ipa_write_summaries_1): Likewise.
684         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
685         to add.
686         (ipa_write_optimization_summaries_1): Pass around vsets.
687         (ipa_write_optimization_summaries): Likewise.
688         * varpool.c (varpool_get_node): New.
689         (varpool_node): Update doubly linked lists.
690         (varpool_remove_node): New.
691         (dump_varpool_node): More dumping.
692         (varpool_enqueue_needed_node): Update doubly linked lists.
693         (decide_is_variable_needed): Kill ltrans hack.
694         (varpool_finalize_decl): Kill lto hack.
695         (varpool_assemble_decl): Skip decls in other partitions.
696         (varpool_assemble_pending_decls): Update doubly linkes lists.
697         (varpool_empty_needed_queue): Likewise.
698         (varpool_extra_name_alias): Likewise.
699         * lto-streamer.c (lto_get_section_name): Add vars section.
700         * lto-streamer.h (lto_section_type): Update.
701         (output_varpool, input_varpool): Declare.
702
703 2010-04-28  Mike Stump  <mikestump@comcast.net>
704
705         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
706
707 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
708
709         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
710         record or union type with RECORD_OR_UNION_TYPE_P predicate.
711         (lto_input_ts_type_tree_pointers): Likewise.
712         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
713         (lto_output_ts_type_tree_pointers): Likewise.
714
715 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
716
717         Uniquization of constants at the Tree level
718         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
719         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
720         bit to the end.
721         (tree_output_constant_def): Declare.
722         * gimplify.c (gimplify_init_constructor): When using block copy, first
723         uniquize the constant constructor on the RHS.
724         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
725         DECL_IN_CONSTANT_POOL flag.
726         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
727         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
728         constant pool.
729         (assemble_variable): Deal with symbols belonging to the tree constant
730         pool.
731         (get_constant_section): Add ALIGN parameter and simplify.
732         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
733         (assemble_constant_contents): Use the expression of the VAR_DECL.
734         (output_constant_def_contents): Use the alignment of the VAR_DECL.
735         (tree_output_constant_def): New global function.
736         (mark_constant): Use the expression of the VAR_DECL.
737         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
738         its expression.
739         (output_object_block): Likewise and assemble the expression.
740
741 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
742
743         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
744         hash_tree, eq_tree): New tree hash table.
745         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
746         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
747         lto_orig_address_remove): Reimplement.
748
749 2010-04-28  Xinliang David Li  <davidxl@google.com>
750
751         PR c/42643
752         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
753         (compute_uninit_opnds_pos): New function.
754         (is_non_loop_exit_postdominating): New function.
755         (compute_control_dep_chain): New function.
756         (find_pdom): New function.
757         (convert_control_dep_chain_into_preds): New function.
758         (find_predicates): New function.
759         (find_control_equiv_block): New function.
760         (collect_phi_def_edges): New function.
761         (find_def_preds): New function.
762         (find_dom): New function.
763         (dump_predicates): New function.
764         (get_cmp_code): New function.
765         (is_value_included_in): New function.
766         (find_matching_predicate_in_rest_chains): New function.
767         (use_pred_not_overlap_with_undef_path_pred): New function.
768         (is_use_properly_guarded): New function.
769         (normalize_cond_1): New function.
770         (is_and_or_or): New function.
771         (normalize_cond): New function.
772         (is_gcond_subset_of): New function.
773         (is_subset_of_any): New function.
774         (is_or_set_subset_of): New function.
775         (is_and_set_subset_of): New function.
776         (is_norm_cond_subset_of): New function.
777         (is_pred_expr_subset_of): New function.
778         (is_pred_chain_subset_of): New function.
779         (is_included_in): New function.
780         (is_superset_of): New function.
781         (find_uninit_use): New function.
782         (warn_uninitialized_phi): New function.
783         (compute_possibly_undefined_names): New function.
784         (ssa_undefined_value_p): New function.
785         (execute_late_warn_uninitialized): New function.
786         * tree-ssa.c (ssa_undefined_value_p): Removed.
787         (warn_uninit): Changed to extern.
788         (warn_uninitialized_phi): Removed.
789         (warn_uninitialized_vars): Changed to extern.
790         (execute_late_warn_uninitialized): Removed
791         * tree-flow.h: Add new prototypes.
792         * timevar.def: Add new time variable.
793         * Makefile.in: Add new build file.
794
795 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
796
797         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
798         type if available.
799
800 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
801
802         PR target/22224
803         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
804
805 2010-04-28  Martin Jambor  <mjambor@suse.cz>
806
807         * cgraph.h (struct cgraph_node): New field indirect_calls.
808         (struct cgraph_indirect_call_info): New type.
809         (struct cgraph_edge): Removed field indirect_call. New fields
810         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
811         (cgraph_create_indirect_edge): Declare.
812         (cgraph_make_edge_direct): Likewise.
813         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
814         * ipa-prop.h (struct ipa_param_call_note): Removed.
815         (struct ipa_node_params): Removed field param_calls.
816         (ipa_create_all_structures_for_iinln): Declare.
817         * cgraph.c: Described indirect edges and uids in initial comment.
818         (cgraph_add_edge_to_call_site_hash): New function.
819         (cgraph_edge): Search also among the indirect edges, use
820         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
821         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
822         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
823         site hash.
824         (initialize_inline_failed): Assign a reason to indirect edges.
825         (cgraph_create_edge_1): New function.
826         (cgraph_create_edge): Moved some functionality to
827         cgraph_create_edge_1.
828         (cgraph_create_indirect_edge): New function.
829         (cgraph_edge_remove_callee): Add an assert checking for
830         non-indirectness.
831         (cgraph_edge_remove_caller): Special-case indirect edges.
832         (cgraph_remove_edge): Likewise.
833         (cgraph_set_edge_callee): New function.
834         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
835         (cgraph_make_edge_direct): New function.
836         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
837         the declaration of the call statement matches.
838         (cgraph_node_remove_callees): Special-case indirect edges.
839         (cgraph_clone_edge): Likewise.
840         (cgraph_clone_node): Clone also the indirect edges.
841         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
842         indirect_call, dump count of indirect_calls edges.
843         * ipa-prop.c (iinlining_processed_edges): New variable.
844         (ipa_note_param_call): Create indirect edges instead of
845         creating notes.  New parameter node.
846         (ipa_analyze_call_uses): New parameter node, pass it on to
847         ipa_note_param_call.
848         (ipa_analyze_stmt_uses): Likewise.
849         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
850         (print_edge_addition_message): Work on edges rather than on notes.
851         (update_call_notes_after_inlining): Likewise, renamed to
852         update_indirect_edges_after_inlining.
853         (ipa_create_all_structures_for_iinln): New function.
854         (ipa_free_node_params_substructures): Do not free notes.
855         (ipa_edge_duplication_hook): Propagate bits within
856         iinlining_processed_edges bitmap.
857         (ipa_node_duplication_hook): Do not duplicate notes.
858         (free_all_ipa_structures_after_ipa_cp): Renamed to
859         ipa_free_all_structures_after_ipa_cp.
860         (free_all_ipa_structures_after_iinln): Renamed to
861         ipa_free_all_structures_after_iinln.g
862         (ipa_write_param_call_note): Removed.
863         (ipa_read_param_call_note): Removed.
864         (ipa_write_indirect_edge_info): New function.
865         (ipa_read_indirect_edge_info): Likewise.
866         (ipa_write_node_info): Do not stream notes, do stream information
867         in indirect edges.
868         (ipa_read_node_info): Likewise.
869         (lto_ipa_fixup_call_notes): Removed.
870         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
871         * ipa-inline.c (pass_ipa_inline): Likewise.
872         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
873         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
874         * tree-inline.c (copy_bb): Removed an unnecessary double check for
875         is_gimple_call.
876         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
877         edges.
878         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
879         (output_cgraph): Stream also indirect edges.
880         (lto_output_edge): Added capability to stream indirect edges.
881         (input_edge): Likewise.
882         (input_cgraph_1): Likewise.
883         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
884         of indirect edges.
885
886 2010-04-28  Richard Guenther  <rguenther@suse.de>
887
888         PR tree-optimization/43879
889         PR tree-optimization/43909
890         * tree-ssa-structalias.c (struct variable_info): Add
891         only_restrict_pointers flag.
892         (new_var_info): Initialize it.  Increment stats.total_vars here.
893         (create_function_info_for): Do not increment stats.total_vars
894         here.
895         (get_function_part_constraint): Fix build with C++.
896         (insert_into_field_list): Remove.
897         (push_fields_onto_fieldstack): Properly merge fields.
898         (create_variable_info_for): Split and simplify.
899         (create_variable_info_for_1): New piece.
900         (intra_create_variable_infos): Properly make restrict constraints
901         from parameters.
902
903 2010-04-28  Richard Guenther  <rguenther@suse.de>
904
905         PR c++/43880
906         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
907
908 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
909             Jan Hubicka <hubicka@ucw.cz>
910
911         * doc/invoke.texi (-Wsuggest-attribute=const,
912         -Wsuggest-attribute=pure): Document.
913         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
914         (function_always_visible_to_compiler_p,
915         suggest_attribute, warn_function_pure, warn_function_const):
916         New functions.
917         (check_call): Improve debug info.
918         (analyze_function): Do not check availability.
919         (add_new_function): Check availability.
920         (propagate): Output warnings.
921         (skip_function_for_local_pure_const): New function.
922         (local_pure_const): Use it; output warnings.
923         * common.opt (Wsuggest-attribute=const,
924         Wsuggest-attribute=pure): New.
925
926 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
927
928         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
929         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
930         or DW_CFA_def_cfa_offset{,_sf}.
931
932 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
933
934         * tree.h: Fix truncated long macros.
935
936 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
937
938         * collect2.c (TARGET_64BIT): Redefine to target's default.
939         * tlink.c: Likewise.
940         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
941         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
942         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
943         for underscoring __USER_LABEL_PREFIX__.
944         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
945         (SUB_LINK_ENTRY32): New.
946         (SUB_LINK_ENTRY64): New.
947         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
948         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
949         (SUB_LINK_ENTRY64): New.
950         (SUB_LINK_ENTRY): New.
951         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
952         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
953         x64 target is choosen.
954         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
955         * configure: Regenerated.
956         * configure.ac (leading-mingw64-underscores): Option added.
957
958 2010-04-27  Jan Hubicka  <jh@suse.cz>
959
960         * doc/invoke.texi (-fipa-profile): Document.
961         * opts.c (decode_options): Enable ipa-profile at -O1.
962         * timevar.def (TV_IPA_PROFILE): Define.
963         * common.opt (fipa-profile): Add.
964         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
965         flag for clones.
966         (cgraph_propagate_frequency): Handle only local ones.
967         * tree-pass.h (pass_ipa_profile): Declare.
968         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
969         (pass_ipa_profile): Use TV_IPA_PROFILE.
970         * ipa.c (ipa_profile): New function.
971         (gate_ipa_profile): Likewise.
972         (pass_ipa_profile): New global variable.
973         * passes.c (pass_ipa_profile): New.
974
975 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
976
977         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
978
979 2010-04-27  Martin Jambor  <mjambor@suse.cz>
980
981         PR middle-end/43812
982         * ipa.c (dissolve_same_comdat_group_list): New function.
983         (function_and_variable_visibility): Call
984         dissolve_same_comdat_group_list when comdat group contains external or
985         newly local nodes.
986         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
987         lists are circular and that they contain only DECL_ONE_ONLY nodes.
988
989 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
990
991         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
992         (const_hash_1) <VECTOR_CST>: New case.
993         (compare_constant) <VECTOR_CST>: Likewise.
994         <ADDR_EXPR>: Deal with LABEL_REFs.
995         (copy_constant) <VECTOR_CST>: New case.
996
997 2010-04-27  Jan Hubicka  <jh@suse.cz>
998
999         * cgraph.c (cgraph_propagate_frequency): New function.
1000         * cgraph.h (cgraph_propagate_frequency): Declare.
1001         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1002         cgraph_propagate_frequency.
1003
1004 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1005
1006         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1007
1008 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1009
1010         PR target/40657
1011         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1012         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1013         here to determine which regs to push and how much stack to reserve.
1014
1015 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1016
1017         * doc/gimple.texi (gimple_statement_with_ops): Remove
1018         addresses_taken field.
1019         (gimple_statement_with_memory_ops): Likewise.
1020
1021 2010-04-27  Jan Hubicka  <jh@suse.cz>
1022
1023         * tree-inline.c (eni_inlining_weights): Remove.
1024         (estimate_num_insns): Special case more builtins.
1025
1026 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1027
1028         PR c/32207
1029         * c-typeck.c (build_binary_op): Move forward check for comparison
1030         pointer with null pointer constant and adjust the diagnostic message.
1031
1032 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1033
1034         PR lto/42776
1035         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1036         binutils supports extended .section directive needed by LTO, or
1037         warn if older binutils found.
1038         (LTO_BINARY_READER): New AC_SUBST'd variable.
1039         (LTO_USE_LIBELF): Likewise.
1040         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1041         variable.
1042         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1043         (LTO_USE_LIBELF): Likewise.
1044         * configure: Regenerate.
1045
1046         * collect2.c (is_elf): Rename from this ...
1047         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1048          object files in addition to ELF-formatted ones.
1049         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1050         symbol to be prefixed or not by an extra underscore.
1051
1052         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1053         * config/i386/winnt.c: Also #include lto-streamer.h
1054         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1055         LTO named sections.
1056         (i386_pe_asm_output_aligned_decl_common): Add comment.
1057         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1058
1059 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1060
1061         PR target/43889
1062         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1063         Add missing earlyclobber for second alternative.
1064
1065 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1066
1067         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1068         bits for artificial defs at the top of the block.
1069         * fwprop.c (single_def_use_enter_block): Don't call it.
1070
1071 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1072
1073         PR 43715
1074         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1075         instead of "$gcc_cv_objdump -T".
1076         Use "-undefined dynamic_lookup" on darwin.
1077         * gcc/configure: Regenerate.
1078
1079 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1080
1081         PR c/43893
1082         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1083
1084 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1085
1086         * c-parser.c (struct c_token): Move location field up.
1087         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1088         (struct c_declspecs): Convert typespec_word, storage_class, and
1089         default_int_p into bitfields.
1090         (struct c_declarator): Move loc field up.
1091
1092 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1093
1094         * cfgloop.h (struct loop): Move can_be_parallel field up.
1095         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1096         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1097         down.
1098         (struct iv_cand): Convert pos field into a bitfield.
1099         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1100         field up.
1101         (struct _stmt_vec_info): Shuffle fields for better packing.
1102
1103 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1104
1105         * varasm.c (IN_NAMED_SECTION): Remove guard.
1106         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1107         (IN_NAMED_SECTION_P): ...this.
1108         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1109         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1110
1111 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1112
1113         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1114         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1115         of shadowing it.  Fix comments.
1116
1117 2010-04-26  Jan Hubicka  <jh@suse.cz>
1118
1119         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1120         (cgraph_clone_node): Copy function frequency.
1121         * cgraph.h (node_frequency): New enum
1122         (struct cgraph_node): Add.
1123         * final.c (rest_of_clean_state): Update.
1124         * lto-cgraph.c (lto_output_node): Output node frequency.
1125         (input_overwrite_node): Input node frequency.
1126         * tre-ssa-loop-ivopts (computation_cost): Update.
1127         * lto-streamer-out.c (output_function): Do not output function
1128         frequency.
1129         * predict.c (maybe_hot_frequency_p): Update and handle functions
1130         executed once.
1131         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1132         attribute lookup.
1133         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1134         (compute_function_frequency): Set noreturn functions to be executed
1135         once.
1136         (choose_function_section): Update.
1137         * lto-streamer-in.c (input_function): Do not input function frequency.
1138         * function.c (allocate_struct_function): Do not initialize function
1139         frequency.
1140         * function.h (function_frequency): Remove.
1141         (struct function): Remove function frequency.
1142         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1143         (try_update): Update.
1144         * tree-inline.c (initialize_cfun): Do not update function frequency.
1145         * passes.c (pass_init_dump_file): Update.
1146         * i386.c (ix86_compute_frame_layout): Update.
1147         (ix86_pad_returns): Update.
1148
1149 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1150
1151         PR tree-optimization/43833
1152         * tree-vrp.c (range_int_cst_p): New.
1153         (range_int_cst_singleton_p): New.
1154         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1155         when both operands are constants.  Use range_int_cst_p in
1156         BIT_IOR_EXPR case.
1157
1158 2010-04-26  Jan Hubicka  <jh@suse.cz>
1159
1160         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1161
1162 2010-04-26  Richard Guenther  <rguenther@suse.de>
1163
1164         PR lto/43080
1165         * gimple.c (gimple_decl_printable_name): Deal gracefully
1166         with a NULL DECL_NAME.
1167
1168 2010-04-26  Richard Guenther  <rguenther@suse.de>
1169
1170         PR lto/42425
1171         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1172         if emitting debug information and it is either a function
1173         or a namespace decl.
1174
1175 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1176
1177         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1178         determine if the statement is vectorizable, and a macro to access it.
1179         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1180         Skip statements that can't be vectorized. If the analysis fails,
1181         mark the statement as unvectorizable if vectorizing basic block.
1182         (vect_compute_data_refs_alignment): Likewise.
1183         (vect_verify_datarefs_alignment): Skip statements marked as
1184         unvectorizable. Add print.
1185         (vect_analyze_group_access): Skip statements that can't be
1186         vectorized. If the analysis fails, mark the statement as
1187         unvectorizable if vectorizing basic block.
1188         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1189         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1190         generated stmts for SLP.
1191         (new_stmt_vec_info): Initialize the new field.
1192         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1193         statements marked as unvectorizable.
1194
1195 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1196
1197         * c-common.c (flag_isoc1x): New.
1198         (flag_isoc99): Update comment.
1199         * c-common.h (flag_isoc1x): New.
1200         (flag_isoc99): Update comment.
1201         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1202         __<type>_DECIMAL_DIG__.
1203         * c-opts.c (set_std_c1x): New.
1204         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1205         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1206         * c.opt (-std=c1x, -std=gnu1x): New options.
1207         * doc/cpp.texi: Mention -std=c1x.
1208         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1209         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1210         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1211         * doc/standards.texi: Mention C1X.
1212         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1213         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1214         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1215         Define for C1X.
1216
1217 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1218
1219         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1220         placeholder from 0x%x to %#x.
1221         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1222         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1223         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1224         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1225         * config/i386/i386.c (ix86_target_string): Ditto.
1226         (output_pic_addr_const): Ditto.
1227         (print_operand): Ditto.
1228
1229 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1230
1231         * combine.c (find_split_point): Add third argument.  Use it
1232         to find nested multiply-accumulate instructions.  Adjust calls.
1233         (try_combine): Adjust call to find_split_point.
1234
1235 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1236
1237         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1238
1239 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1240
1241         PR tree-optimization/41442
1242         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1243         (fold_binary_loc): Call it.
1244
1245 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1246
1247         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1248         * opts.c (common_handle_option): Allow disabling it.
1249         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1250
1251 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1252
1253         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1254         between modes if both types are integral.
1255
1256 2010-04-23  Richard Guenther  <rguenther@suse.de>
1257
1258         PR tree-optimization/43572
1259         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1260
1261 2010-04-23  Richard Guenther  <rguenther@suse.de>
1262
1263         PR lto/43455
1264         * tree-inline.c (tree_can_inline_p): Also check compatibility
1265         of return types.
1266
1267 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1268
1269         PR tree-optimization/43846
1270         * tree-sra.c (struct access): New flag grp_assignment_read.
1271         (build_accesses_from_assign): Set grp_assignment_read.
1272         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1273         (enum mark_read_status): New type.
1274         (analyze_access_subtree): Propagate grp_assignment_read, create
1275         accesses also if both direct_read and root->grp_assignment_read.
1276
1277 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1278
1279         PR middle-end/43835
1280         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1281         function does not have type attributes.
1282
1283 2010-04-23  Richard Guenther  <rguenther@suse.de>
1284
1285         PR lto/42653
1286         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1287         of FUNCTION_DECLs.
1288
1289 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1290
1291         * sese.h (create_if_region_on_edge): Remove.
1292
1293         * sese.c (create_if_region_on_edge): Make static.
1294
1295         * tree-inline.c: Do not include ggc.h.
1296
1297         * expr.c: Do not include ggc.h.
1298
1299         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1300         dependencies.
1301
1302 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1303
1304         PR target/43744
1305         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1306         in the middle of insns for casesi_worker_2.
1307
1308 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1309
1310         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1311
1312 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1313
1314         PR tree-optimization/43842
1315         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1316         loop unrolling in update of exit phis. Fix comment.
1317         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1318         least two reduction statements in the loop before starting SLP
1319         analysis.
1320
1321 2010-04-22  Nick Clifton  <nickc@redhat.com>
1322
1323         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1324
1325 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1326
1327         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1328         to simplify a + ~a.
1329
1330 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1331
1332         * tree-parloops.c (loop_parallel_p): New argument
1333         parloop_obstack.  Pass it down.
1334         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1335         pass it down, free it.
1336
1337         * tree-loop-linear.c (linear_transform_loops): Pass down
1338         lambda_obstack.
1339
1340         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1341         of type struct obstack *.
1342
1343         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1344         scratch_obstack.  Initialize it, pass down, free it.
1345
1346         * lambda.h (lambda_loop_new): Remove.
1347         (lambda_matrix_new, lambda_matrix_inverse)
1348         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1349         argument of type struct obstack *.
1350
1351         * lambda-trans.c (lambda_trans_matrix_new): New argument
1352         lambda_obstack.  Pass it down, use obstack allocation for ret.
1353         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1354         it down.
1355
1356         * lambda-mat.c (lambda_matrix_get_column)
1357         (lambda_matrix_project_to_null): Remove.
1358         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1359         allocation for mat.
1360         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1361         lambda_obstack.
1362
1363         * lambda-code.c (lambda_loop_new): New function.
1364         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1365         (lambda_compute_auxillary_space, lambda_compute_target_space)
1366         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1367         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1368         (build_access_matrix): New argument lambda_obstack.  Use obstack
1369         allocation for am.
1370         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1371         argument lambda_obstack.  Pass it down.
1372
1373 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1374
1375         * optabs.h (expand_widening_mult): Declare.
1376
1377 2010-04-22  Richard Guenther  <rguenther@suse.de>
1378
1379         PR tree-optimization/43845
1380         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1381         lookup the CALL_EXPR function and arguments.
1382
1383 2010-04-22  Nick Clifton  <nickc@redhat.com>
1384
1385         * config/stormy16/stormy16.c
1386         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1387         * config/stormy16/stormy16.h: Tidy up formatting.
1388         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1389         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1390         (ineqbranchsi): Delete pattern.
1391         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1392         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1393         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1394         stormy16-lib2-ucmpsi2.c.
1395
1396 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1397
1398         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1399         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1400         extra set merge_set_noclobber, and use it to relax the final test
1401         slightly.
1402         * df.h (df_simulate_find_noclobber_defs): Declare.
1403         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1404         conditional defs.
1405         (df_simulate_find_noclobber_defs): New function.
1406
1407 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1408
1409         * config/i386/i386.md: Use {} around multi-line preparation statements.
1410
1411 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1412
1413         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1414         (process_init_element): New argument of type struct obstack *.
1415
1416         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1417         (set_init_index, set_init_label, set_nonincremental_init)
1418         (set_nonincremental_init_from_string, find_init_member)
1419         (output_init_element, output_pending_init_elements)
1420         (process_init_element): New argument braced_init_obstack.  Pass it
1421         down.
1422         (push_range_stack, add_pending_init): New argument
1423         braced_init_obstack.  Use obstack allocation.
1424
1425         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1426         braced_init_obstack.  Pass it down.
1427         (c_parser_braced_init): New variables ret, braced_init_obstack.
1428         Initialize obstack, pass it down and finally free it.
1429
1430 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1431
1432         PR middle-end/29274
1433         * tree-pass.h (pass_optimize_widening_mul): Declare.
1434         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1435         gate_optimize_widening_mul): New static functions.
1436         (pass_optimize_widening_mul): New.
1437         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1438         <case MULT_EXPR>: Remove support for widening multiplies.
1439         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1440         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1441         simplify_gen_unary rather than directly building extensions.
1442         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1443         WIDEN_MULT_EXPR.
1444         * expmed.c (expand_widening_mult): New function.
1445         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1446
1447 2010-04-21  Jan Hubicka  <jh@suse.cz>
1448
1449         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1450         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1451         * lto-wpa-fixup.c: Remove.
1452         * Makefile.in (lto-wpa-fixup.o): Remove.
1453         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1454         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1455         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1456
1457 2010-04-21  Jan Hubicka  <jh@suse.cz>
1458
1459         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1460         add write_optimization_summary, read_optimization_summary.
1461         (ipa_write_summaries_of_cgraph_node_set): Remove.
1462         (ipa_write_optimization_summaries): Declare.
1463         (ipa_read_optimization_summaries): Declare.
1464         * ipa-cp.c (pass_ipa_cp): Update.
1465         * ipa-reference.c (pass_ipa_reference): Update.
1466         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1467         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1468         Update.
1469         * ipa-inline.c (pass_ipa_inline): Update.
1470         * ipa.c (pass_ipa_whole_program): Update.
1471         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1472         * passes.c (ipa_write_summaries_1): Do not test wpa.
1473         (ipa_write_optimization_summaries_1): New.
1474         (ipa_write_optimization_summaries): New.
1475         (ipa_read_summaries): Do not test ltrans.
1476         (ipa_read_optimization_summaries_1): New.
1477         (ipa_read_optimization_summaries): New.
1478
1479 2010-04-21  Jan Hubicka  <jh@suse.cz>
1480
1481         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1482         for boundary nodes.
1483         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1484
1485 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1486
1487         PR debug/40040
1488         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1489         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1490
1491 2010-04-21  Jan Hubicka  <jh@suse.cz>
1492
1493         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1494
1495 2010-04-21  Jan Hubicka  <jh@suse.cz>
1496
1497         * varpool.c (decide_is_variable_needed): Variable is always needed
1498         during ltrans.
1499
1500 2010-04-21  Jan Hubicka  <jh@suse.cz>
1501
1502         * opts.c (decode_options): Enable pure-const pass for whopr.
1503
1504 2010-04-21  Jan Hubicka  <jh@suse.cz>
1505
1506         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1507         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1508         at WPA dumping.
1509         (cgraph_decide_inlining): Do not expect callee to be removed in all
1510         cases.
1511
1512 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1513
1514         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1515
1516 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1517
1518         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1519         amdfam10_decode attributes.
1520
1521 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1522
1523         PR middle-end/43570
1524         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1525         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1526         (lower_copyprivate_clauses): Use private var in outer
1527         context instead of original var.  Make sure the types
1528         are correct for VLAs.
1529
1530 2010-04-21  Richard Guenther  <rguenther@suse.de>
1531
1532         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1533         to non-pointer objects.
1534
1535 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1536
1537         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1538         last chain entry if it starts with the still current label.
1539         (add_location_or_const_value_attribute): Check that
1540         loc_list->first->next is NULL instead of comparing ->first with ->last.
1541         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1542         to add_var_loc_to_decl.
1543
1544         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1545         >= 4 add also address size and segment size fields into CIE header.
1546
1547         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1548         long as address size is the same as sizeof (void *) and
1549         segment size is 0.
1550         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1551         address size or segment size is unexpected, return DW_EH_PE_omit.
1552         (classify_object_over_fdes): If get_cie_encoding returned
1553         DW_EH_PE_omit, return -1.
1554         (init_object): If classify_object_over_fdes returned -1,
1555         pretend there were no FDEs at all.
1556
1557 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1558
1559         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1560         bswap{si,di}2 using SWI48 mode iterator.
1561         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1562         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1563         set modrm attribute of bswap insn to 0 and remove length attribute.
1564         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1565         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1566         set mode attribute to <MODE> and remove length attribute.
1567
1568 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1569
1570         PR rtl-optimization/43520
1571         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1572         zero available registers.
1573
1574 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1575
1576         * builtins.c (fold_builtin_cproj): Fold more cases.
1577
1578 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1579
1580         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1581         (fold_builtin_1): Fold builtin cproj.
1582         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1583         Use ATTR_CONST_NOTHROW_LIST.
1584
1585 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1586
1587         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1588         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1589         ffsi2_no_cmove for !TARGET_CMOVE.
1590         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1591         (ffssi2): Remove expander.
1592         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1593         mode iterator.
1594         (ctz<mode>2): Ditto from ctz{si,di}2.
1595         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1596         mode iterator.
1597         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1598         mode iterator.
1599
1600 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1601
1602         * dwarf2out.c (AT_linkage_name): Define.
1603         (clone_as_declaration): Handle DW_AT_linkage_name.
1604         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1605         of DW_AT_MIPS_linkage_name.
1606         (move_linkage_attr): Likewise.
1607         (dwarf2out_finish): Likewise.
1608
1609 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1610
1611         PR middle-end/41952
1612         * fold-const.c (fold_comparison): New folding rule.
1613
1614 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1615
1616         * double-int.h (double_int_setbit): Declare.
1617         * double-int.c (double_int_setbit): New function.
1618         * rtl.h (immed_double_int_const): Declare.
1619         * emit-rtl.c (immed_double_int_const): New function.
1620         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1621         and immed_double_int_const functions.
1622         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1623         expand_copysign_bit):  (Ditto.).
1624         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1625         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1626         * dojump.c (prefer_and_bit_test): (Ditto.).
1627         * expr.c (convert_modes, reduce_to_bit_field_precision,
1628         const_vector_from_tree): (Ditto.).
1629         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1630
1631 2010-04-20  Jan Hubicka  <jh@suse.cz>
1632
1633         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1634         (dump_cgraph_node): Dump new flags.
1635         * cgraph.h (struct cgraph_node): Add flags
1636         reachable_from_other_partition and in_other_partition.
1637         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1638         other partition can not be removed.
1639         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1640         the other partition must be output; silence sanity checking on
1641         leaking functions bodies from other paritition.
1642         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1643         (lto_output_node): Output new flags; do not sanity check that inline
1644         clones are output; drop lto_forced_extern_inline_p code; do not mock
1645         visibility flags at partition boundaries.
1646         (add_node_to): New function.
1647         (output_cgraph): Use it to sort functions so masters appear before
1648         clones.
1649         (input_overwrite_node): Input new flags.
1650         * passes.c (ipa_write_summaries): Do not call
1651         lto_new_extern_inline_states.
1652         * lto-section-out.c (forced_extern_inline,
1653         lto_new_extern_inline_states lto_delete_extern_inline_states,
1654         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1655         * lto-streamer.h (lto_new_extern_inline_states,
1656         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1657         lto_forced_extern_inline_p): Kill.
1658
1659 2010-04-20  Richard Guenther  <rguenther@suse.de>
1660
1661         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1662         from vars that can have pointers.
1663         (process_constraint): Dump useless constraints.
1664
1665 2010-04-20  Richard Guenther  <rguenther@suse.de>
1666
1667         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1668         (dump_sa_points_to_info): Remove asserts.
1669         (init_base_vars): nothing_id isn't an escape point nor does it
1670         have pointers.
1671
1672 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1673
1674         * tree.h (TYPE_REF_IS_RVALUE): Define.
1675         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1676         should_move_die_to_comdat, prune_unused_types_walk): Handle
1677         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1678         (modified_type_die, gen_reference_type_die): Emit
1679         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1680         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1681
1682 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1683
1684         PR target/43635
1685         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1686         calls for -fpic -m31 if they have been sibcall optimized.
1687
1688 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1689
1690         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1691         ar.lc fixed and call-used.
1692
1693         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1694
1695 2010-04-19  Jan Hubicka  <jh@suse.cz>
1696
1697         * opts.c (decode_options): Disable whpr incompatible passes.
1698         * lto/lto.c (lto_1_to_1_map): Skip clones.
1699         (read_cgraph_and_symbols): Do not mark everything as needed.
1700         (do_whole_program_analysis): Do map only after optimizing;
1701         set proper cgraph_state; use passmanager.
1702
1703 2010-04-19  DJ Delorie  <dj@redhat.com>
1704
1705         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1706         POINTER_PLUS_EXPR and fix them.
1707
1708 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1709
1710         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1711         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1712         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1713         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1714         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1715         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1716         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1717         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1718         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1719         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1720         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1721
1722 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1723
1724         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1725         (check_cond_move_block): Likewise.
1726         (cond_move_process_if_block): Likewise.
1727         (noce_find_if_block): Improve formatting.
1728         (find_if_header): Pass 0 to memset and tweak conditions.
1729         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1730
1731 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1732
1733         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1734         for -gdwarf-4.
1735
1736         PR middle-end/43337
1737         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1738         with non-local decl doesn't need chain.
1739
1740 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1741
1742         * ira-color.c (allocno_reload_assign): Avoid accumulating
1743         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1744
1745 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1746
1747         * gimple.h (create_tmp_reg): Declare.
1748         * gimplify.c (create_tmp_reg): New function.
1749         (gimplify_return_expr): Use create_tmp_reg.
1750         (gimplify_omp_atomic): Likewise.
1751         (gimple_regimplify_operands): Likewise.
1752         * tree-dfa.c (make_rename_temp): Likewise.
1753         * tree-predcom.c (predcom_tmp_var): Likewise.
1754         (reassociate_to_the_same_stmt): Likewise.
1755         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1756         (get_replaced_param_substitute): Likewise.
1757         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1758         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1759         * tree-ssa-pre.c (get_representative_for): Likewise.
1760         (create_expression_by_pieces): Likewise.
1761         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1762         (create_tailcall_accumulator): Likewise.
1763
1764 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1765
1766         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1767         new_stmt.
1768         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1769
1770 2010-04-19  Richard Guenther  <rguenther@suse.de>
1771
1772         PR tree-optimization/43796
1773         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1774         from SCEV in the lattice.
1775         (vrp_visit_phi_node): Dump change.
1776
1777 2010-04-19  Richard Guenther  <rguenther@suse.de>
1778
1779         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1780         * configure: Re-generated.
1781
1782 2010-04-19  Richard Guenther  <rguenther@suse.de>
1783
1784         PR tree-optimization/43783
1785         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1786         constant ARRAY_REF operands two and three if possible.
1787
1788 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1789
1790         PR target/43766
1791         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1792
1793 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1794
1795         PR target/43662
1796         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1797
1798 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1799
1800         PR tree-optimization/37027
1801         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1802         and macro to access it.
1803         (vectorizable_reduction): Add argument.
1804         (vect_get_slp_defs): Likewise.
1805         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1806         statements for possible use in SLP.
1807         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1808         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1809         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1810         add new argument.
1811         (vectorizable_reduction): Likewise.
1812         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1813         vect_get_slp_defs.
1814         (vectorizable_type_demotion, vectorizable_type_promotion,
1815         vectorizable_store): Likewise.
1816         (vect_analyze_stmt): Update call to vectorizable_reduction.
1817         (vect_transform_stmt): Likewise.
1818         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1819         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1820         from different interleaving chains in same node.
1821         (vect_slp_rearrange_stmts): New function.
1822         (vect_supported_load_permutation_p): Allow load permutations for
1823         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1824         inside SLP nodes if necessary.
1825         (vect_analyze_slp_instance): Handle reductions.
1826         (vect_analyze_slp): Try to build SLP instances originating from groups
1827         of reductions.
1828         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1829         (vect_get_constant_vectors): Create initial vectors for reductions
1830         according to reduction code. Add new argument.
1831         (vect_get_slp_defs): Add new argument, pass it to
1832         vect_get_constant_vectors.
1833         (vect_schedule_slp_instance): Remove SLP tree root statements.
1834
1835 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1836
1837         * tree.h (ENUM_IS_SCOPED): Define.
1838         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1839         for ENUM_IS_SCOPED enums.
1840
1841 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1842
1843         * fold-const.c (fold_comparison): Use ssizetype.
1844         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1845         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1846         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1847         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1848
1849         * tree.h (initialize_sizetypes): Remove parameter.
1850         (build_common_tree_nodes): Remove second parameter.
1851         * stor-layout.c (initialize_sizetypes): Remove parameter.
1852         Always create an unsigned type.
1853         (set_sizetype): Assert that the passed type is unsigned and simplify.
1854         * tree.c (build_common_tree_nodes): Remove second parameter.
1855         Adjust call to initialize_sizetypes.
1856         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1857         build_common_tree_nodes.
1858
1859 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1860
1861         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1862
1863 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1864
1865         PR tree-optimization/43771
1866         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1867         load permutation doesn't have gaps.
1868
1869 2010-04-18  Jan Hubicka  <jh@suse.cz>
1870
1871         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1872         (sse_prologue_save_insn expander): Use new pattern.
1873         (sse_prologue_save_insn1): New pattern and splitter.
1874         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1875         blocks.
1876         * i386.c (setup_incoming_varargs_64): Do not compute jump
1877         destination here.
1878         (ix86_gimplify_va_arg): Update alignment needed.
1879         (ix86_local_alignment): Do not align all local arrays to 128bit.
1880
1881 2010-04-17  Jan Hubicka  <jh@suse.cz>
1882
1883         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1884
1885 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1886
1887         * arm.md (negdi2): Remove redundant code to force values into a
1888         register.
1889
1890 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1891
1892         * arm/bpabi.S: Add EABI alignment attributes to objects.
1893         * arm/bpabi-v6m.S: Likewise.
1894         * arm/crti.asm: Likewise.
1895         * arm/crtn.asm: Likewise.
1896         * arm/lib1funcs.asm: Likewise.
1897         * arm/libunwind.S: Likewise.
1898
1899 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1900
1901         * arm-protos.h (tune_params): New structure.
1902         * arm.c (current_tune): New variable.
1903         (arm_constant_limit): Delete.
1904         (struct processors): Add pointer to the tune parameters.
1905         (arm_slowmul_tune): New tuning option.
1906         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1907         (all_cores): Adjust to pick up the tuning model.
1908         (arm_constant_limit): New function.
1909         (arm_override_options): Select the appropriate tuning model.  Delete
1910         initialization of arm_const_limit.
1911         (arm_split_constant): Use the new constant-limit model.
1912         (arm_rtx_costs): Pick up the current tuning model.
1913         * arm.md (is_strongarm, is_xscale): Delete.
1914         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1915         for Xscale variant architectures.
1916         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1917
1918 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1919
1920         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1921         can_shift.
1922         (arm_rtx_costs_1): Remove unused variable extra_cost.
1923         (arm_unwind_emit_set): Use variable offset.
1924         (thumb1_output_casesi): Remove unused variable flags.
1925
1926 2010-04-16  Jeff Law  <law@redhat.com>
1927
1928         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1929         needing assignment rather than doing a two-phase assignment.  Remove
1930         unused variable 'm'.
1931
1932 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1933
1934         PR bootstrap/43767
1935         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1936
1937 2010-04-16  Doug Kwan  <dougkwan@google.com>
1938
1939         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1940         (next_operand_entry_id): New static variable.
1941         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1942         (add_to_ops_vec): Assigned unique ID to operand entry.
1943         (struct oecount_s): New field ID.
1944         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1945         (undistribute_ops_list): Assign unique IDs to oecounts.
1946         (init_reassoc): reset next_operand_entry_id.
1947
1948 2010-04-16  Doug Kwan  <dougkwan@google.com>
1949
1950         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1951         missing left parenthesis.
1952
1953 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1954
1955         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1956         *btdi_rex64 using SWI48 mode iterator.
1957         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1958         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1959         *jcc_btdi_mask_rex64.
1960
1961 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1962
1963         * double-int.h (tree_to_double_int): Convert to macro.
1964         * double-int.c (tree_to_double_int): Remove.
1965
1966 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1967
1968         PR debug/43762
1969         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1970         with want_address 2 and in case a single element list might be
1971         possible, call it again with want_address 0.
1972
1973 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1974
1975         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1976         case 'W' print operands for HI mode.
1977         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1978         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1979         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1980         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1981
1982         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1983
1984         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1985         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1986         #xx:3 and #xx:4 mode.
1987
1988         * config/h8300/h8300.md (inverted load with HImode dest): Add
1989         support for H8300SX.
1990
1991         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1992         satisfy 'U' constraint.
1993
1994 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1995
1996         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1997         * configure: Regenerate.
1998         * config.in: Regenerate.
1999         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2000         works.
2001
2002 2010-04-16  Richard Guenther  <rguenther@suse.de>
2003
2004         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2005         (struct tree_decl_common): ... here.
2006         (DECL_PT_UID): Adjust.
2007         (SET_DECL_PT_UID): Likewise.
2008         (DECL_PT_UID_SET_P): Likewise.
2009
2010 2010-04-16  Richard Guenther  <rguenther@suse.de>
2011
2012         PR tree-optimization/43572
2013         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2014         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2015         * tree-flow.h (is_call_clobbered): Remove.
2016         * tree-flow-inline.h (is_call_clobbered): Likewise.
2017         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2018         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2019         (execute_return_slot_opt): Adjust.
2020         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2021         check for call clobbered vars here.
2022         (find_tail_calls): Move tailcall verification to the
2023         proper place.
2024
2025 2010-04-16  Diego Novillo  <dnovillo@google.com>
2026
2027         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2028
2029 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2030
2031         PR target/40603
2032         * config/arm/arm.md (cbranchqi4): New pattern.
2033         * config/arm/predicates.md (const0_operand,
2034         cbranchqi4_comparison_operator): New predicates.
2035
2036 2010-04-16  Richard Guenther  <rguenther@suse.de>
2037
2038         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2039         (dump_gimple_stmt): Likewise.
2040
2041 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2042
2043         * recog.h (struct recog_data): New field is_operator.
2044         (struct insn_operand_data): New field is_operator.
2045         * recog.c (extract_insn): Set recog_data.is_operator.
2046         * genoutput.c (output_operand_data): Emit code to set the
2047         is_operator field.
2048         * reload.c (find_reloads): Use it rather than testing for an
2049         empty constraint string.
2050
2051         PR target/41514
2052         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2053         If the previous insn is a cbranchsi4_insn with the same arguments,
2054         omit the compare instruction.
2055
2056         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2057         register, inputs must be low registers and we need a low register
2058         scratch.  Handle alternative 2 like alternative 3.
2059
2060 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2061
2062         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2063         don't call get_addr on both.  If one expression is a VALUE and
2064         the other a REG, check VALUE's locs if the REG isn't among them.
2065
2066 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2067
2068         * config/sh/sh.h (sh_frame_pointer_required): New function.
2069         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2070         (flag_omit_frame_pointer) Set.
2071         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2072         (rounded_frame_size): Adjust size with outgoing_args_size.
2073         (sh_set_return_address): Must return from stack pointer.
2074         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2075         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2076         (ACCUMULATE_OUTGOING_ARGS): Define.
2077         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2078         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2079
2080 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2081
2082         PR target/43471
2083         * config/sh/sh.c (sh_legitimize_reload_address): Use
2084         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2085         Remove a unneeded check for offset_base.
2086
2087 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2088
2089         * configure: Regenerated.
2090
2091 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2092
2093         * config/s390/s390.c (s390_call_save_register_used): Switch back
2094         to HARD_REGNO_NREGS.
2095
2096 2010-04-15  Richard Guenther  <rguenther@suse.de>
2097
2098         * alias.c (alias_set_subset_of): Handle alias-set zero
2099         child properly.
2100
2101 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2102             Julian Brown  <julian@codesourcery.com>
2103
2104         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2105         alternatives according to use of high and low regs.
2106         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2107         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2108         optimizing for size on Thumb-2.
2109
2110 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2111
2112         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2113
2114 2010-04-15  Richard Guenther  <rguenther@suse.de>
2115
2116         * tree-ssa-structalias.c (struct variable_info): Add
2117         is_fn_info flag.
2118         (new_var_info): Initialize it.
2119         (dump_constraints): Support printing last added constraints.
2120         (debug_constraints): Adjust.
2121         (dump_constraint_graph): Likewise.
2122         (make_heapvar_for): Check for NULL cfun.
2123         (get_function_part_constraint): New function.
2124         (get_fi_for_callee): Likewise.
2125         (find_func_aliases): Properly implement IPA PTA constraints.
2126         (process_ipa_clobber): New function.
2127         (find_func_clobbers): Likewise.
2128         (insert_into_field_list_sorted): Remove.
2129         (create_function_info_for): Properly allocate vars for IPA mode.
2130         Do not use insert_into_field_list_sorted.
2131         (create_variable_info_for): Properly generate constraints for
2132         global vars in IPA mode.
2133         (dump_solution_for_var): Always dump the solution.
2134         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2135         (find_what_var_points_to): Adjust.
2136         (pt_solution_set): Change.
2137         (pt_solution_ior_into): New function.
2138         (pt_solution_empty_p): Export.
2139         (pt_solution_includes_global): Adjust.
2140         (pt_solution_includes_1): Likewise.
2141         (pt_solutions_intersect_1): Likewise.
2142         (dump_sa_points_to_info): Check some invariants.
2143         (solve_constraints): Move constraint dumping ...
2144         (compute_points_to_sets): ... here.
2145         (ipa_pta_execute): ... and here.
2146         (compute_may_aliases): Do not re-compute points-to info
2147         locally if IPA info is available.
2148         (ipa_escaped_pt): New global var.
2149         (ipa_pta_execute): Properly implement IPA PTA.
2150         * tree-into-ssa.c (dump_decl_set): Support dumping
2151         decls not in referenced-vars.
2152         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2153         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2154         (dump_points_to_solution): Likewise.
2155         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2156         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2157         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2158         (copy_decl_to_var): Copy DECL_PT_UID.
2159         (copy_result_decl_to_var): Likewise.
2160         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2161         (copy_node_stat): Copy it.
2162         * tree.h (DECL_PT_UID): New macro.
2163         (SET_DECL_PT_UID): Likewise.
2164         (DECL_PT_UID_SET_P): Likewise.
2165         (struct tree_decl_minimal): Add pt_uid member.
2166         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2167         (pt_solution_empty_p): Declare.
2168         (pt_solution_set): Adjust.
2169         (ipa_escaped_pt): Declare.
2170         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2171         * gimple-pretty-print.c (pp_points_to_solution): New function.
2172         (dump_gimple_call): Dump call clobber/use information.
2173         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2174         * tree-pass.h (TDF_ALIAS): New dump option.
2175         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2176         * doc/invoke.texi (-fipa-pta): Update documentation.
2177
2178 2010-04-15  Richard Guenther  <rguenther@suse.de>
2179
2180         * Makefile.in (OBJS-common): Add gimple-fold.o.
2181         (gimple-fold.o): New rule.
2182         * tree.h (maybe_fold_offset_to_reference,
2183         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2184         prototypes ...
2185         * gimple.h: ... here.
2186         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2187         may_propagate_address_into_dereference): Move prototypes ...
2188         * gimple.h: ... here.
2189         * tree-ssa-ccp.c (get_symbol_constant_value,
2190         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2191         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2192         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2193         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2194         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2195         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2196         gimplify_and_update_call_from_tree): Move ...
2197         * gimple-fold.c: ... here.  New file.
2198         (ccp_fold_builtin): Rename to ...
2199         (gimple_fold_builtin): ... this.
2200         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2201
2202 2010-04-15  Richard Guenther  <rguenther@suse.de>
2203
2204         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2205         fit_double_type, force_fit_type_double, add_double_with_sign,
2206         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2207         lrotate_double, rrotate_double, div_and_round_double): Move ...
2208         * double-int.c: ... here.
2209         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2210         add_double, neg_double, mul_double_with_sign, mul_double,
2211         lshift_double, rshift_double, lrotate_double, rrotate_double,
2212         div_and_round_double): Move prototypes ...
2213         * double-int.h: ... here.
2214
2215 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2216
2217         PR target/43742
2218         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2219         matching constraints to ensure inputs match the output.
2220
2221 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2222
2223         PR target/43742
2224         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2225         in an input-only operand.
2226
2227 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2228
2229         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2230         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2231         (double_int_negative_p): Convert to static inline function.
2232         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2233         (double_int_negative_p): Remove.
2234         * tree.h (lshift_double, rshift_double):
2235         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2236         * fold-const.c (fold_convert_const_int_from_real,
2237         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2238         (lshift_double): Change type of arith argument to bool.
2239         (rshift_double): Change type of arith argument to bool. Correct
2240         comment.
2241         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2242
2243 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2244
2245         PR target/21803
2246         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2247         at the start and end of the then/else blocks, and omit them from the
2248         conversion.
2249         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2250         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2251         (flow_find_head_matching_sequence): New function.
2252         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2253         * basic-block.h (flow_find_cross_jump,
2254         flow_find_head_matching_sequence): Declare functions.
2255
2256 2010-04-14  Jason Merrill  <jason@redhat.com>
2257
2258         PR c++/36625
2259         * c-common.c (attribute_takes_identifier_p): New fn.
2260         * c-common.h: Declare it.
2261
2262 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2263
2264         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2265         splitter condition.
2266         (*udivmod<mode>4): Ditto.
2267
2268 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2269
2270         * config/i386/i386.md (maxmin_int): Rename code attribute from
2271         maxminiprefix and update all users.
2272         (maxmin_float): Ditto from maxminfprefix.
2273         (logic): Ditto from logicprefix.
2274         (absneg_mnemonic): Ditto from absnegprefix.
2275         * config/i386/mmx.md: Update all users of maxminiprefix,
2276         maxminfprefix and logicprefix for rename.
2277         * config/i386/sse.md: Ditto.
2278         * config/i386/sync.md (sync_<code><mode>): Update for
2279         logicprefix rename.
2280
2281 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2282
2283         PR 42966
2284         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2285         warnings converted to errors.
2286
2287 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2288
2289         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2290         used insn_type variable.
2291         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2292         to avoid set-but-not-used warning.
2293
2294 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2295
2296         * df-core.c (df_ref_debug): Change format string placeholder
2297         from 0x%x to %#x.
2298         * dwarf2asm.c (dw2_asm_output_data_raw,
2299         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2300         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2301         * dwarf2out.c (output_cfi, output_cfi_directive,
2302         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2303         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2304         Ditto.
2305         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2306         * print-rtl.c (print_rtx): Ditto.
2307
2308 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2309
2310         PR middle-end/42694
2311         * builtins.c (expand_builtin_pow_root): New function to expand pow
2312         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2313         series of sqrt and cbrt calls under -ffast-math.
2314         (expand_builtin_pow): Call it.
2315
2316 2010-04-14  Michael Matz  <matz@suse.de>
2317
2318         PR tree-optimization/42963
2319         * tree-cfg.c (touched_switch_bbs): New static variable.
2320         (group_case_labels_stmt): New function broken out from ...
2321         (group_case_labels): ... here, use the above.
2322         (start_recording_case_labels): Allocate touched_switch_bbs.
2323         (end_recording_case_labels): Deallocate it, call
2324         group_case_labels_stmt.
2325         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2326
2327 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2328
2329         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2330         from insn template.
2331
2332 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2333
2334         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2335
2336 2010-04-13  Jan Hubicka  <jh@suse.cz>
2337
2338         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2339         of optimized out static functions.
2340         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2341         cost computation.  Also sanity check for overflows.
2342         (update_caller_keys): Update cgraph_edge_badness call; properly
2343         update fibheap and sanity check that it is up to date.
2344         (add_new_edges_to_heap): Update cgraph_edge_badness.
2345         (cgraph_decide_inlining_of_small_function): Likewise;
2346         add sanity checking that badness in heap is up to date;
2347         improve dumping of reason; Update badness of calls to the
2348         offline copy of function currently inlined; dump badness
2349         of functions not inlined because of unit growth limits.
2350
2351 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2352
2353         PR middle-end/32628
2354         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2355         because of sign-extension change when converting to sizetype here...
2356         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2357
2358         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2359         the folding to constants.  Remove redundant final conversion.
2360         (fold_binary) <associate>: Do not associate if the re-association of
2361         constants alone overflows.
2362         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2363         to the end of the list.
2364         (multiple_of_p) <COND_EXPR>: New case.
2365
2366 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2367
2368         * opt-functions.awk (opt_sanitized_name): New.
2369         (opt_enum): New.
2370         * optc-gen.awk: Use it
2371         * opth-gen.awk: Use it.
2372
2373 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2374
2375         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2376         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2377         children.  Call replace_uses_with_default_def_ssa_name to handle
2378         SSA_NAES on lhs.
2379
2380 2010-04-13  Michael Matz  <matz@suse.de>
2381
2382         PR middle-end/43730
2383         * builtins.c (expand_builtin_interclass_mathfn): Also create
2384         a register if the predicate doesn't match.
2385
2386 2010-04-13  Diego Novillo  <dnovillo@google.com>
2387
2388         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2389         * c-pch.c: Include timevar.h.
2390         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2391         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2392         * ggc-common.c: Include timevar.h.
2393         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2394         * timevar.def (TV_PCH_SAVE): Define.
2395         (TV_PCH_CPP_SAVE): Define.
2396         (TV_PCH_PTR_REALLOC): Define.
2397         (TV_PCH_PTR_SORT): Define.
2398         (TV_PCH_RESTORE): Define.
2399         (TV_PCH_CPP_RESTORE): Define.
2400
2401 2010-04-13  Michael Matz  <matz@suse.de>
2402
2403         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2404         into MINUS_EXPRs.
2405         (can_reassociate_p): New function.
2406         (break_up_subtract_bb, reassociate_bb): Use it.
2407
2408 2010-04-13  Richard Guenther  <rguenther@suse.de>
2409
2410         PR bootstrap/43737
2411         * builtins.c (c_readstr): Fix assert.
2412
2413 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2414
2415         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2416         when generating cltd insn.
2417
2418         (*ashl<mode>3_1): Remove special handling for register operand 2.
2419         (*ashlsi3_1_zext): Ditto.
2420         (*ashlhi3_1): Ditto.
2421         (*ashlhi3_1_lea): Ditto.
2422         (*ashlqi3_1): Ditto.
2423         (*ashlqi3_1_lea): Ditto.
2424         (*<shiftrt_insn><mode>3_1): Ditto.
2425         (*<shiftrt_insn>si3_1_zext): Ditto.
2426         (*<shiftrt_insn>qi3_1_slp): Ditto.
2427         (*<rotate_insn><mode>3_1): Ditto.
2428         (*<rotate_insn>si3_1_zext): Ditto.
2429         (*<rotate_insn>qi3_1_slp): Ditto.
2430
2431 2010-04-13  Richard Guenther  <rguenther@suse.de>
2432
2433         * tree-ssa-structalias.c (callused_id): Remove.
2434         (call_stmt_vars): New.
2435         (get_call_vi): Likewise.
2436         (lookup_call_use_vi): Likewise.
2437         (lookup_call_clobber_vi): Likewise.
2438         (get_call_use_vi): Likewise.
2439         (get_call_clobber_vi): Likewise.
2440         (make_transitive_closure_constraints): Likewise.
2441         (handle_const_call): Adjust to do per-call call-used handling.
2442         (handle_pure_call): Likewise.
2443         (find_what_var_points_to): Remove general callused handling.
2444         (init_base_vars): Likewise.
2445         (init_alias_vars): Initialize call_stmt_vars.
2446         (compute_points_to_sets): Process call-used and call-clobbered
2447         vars for call statements.
2448         (delete_points_to_sets): Free call_stmt_vars.
2449
2450 2010-04-13  Richard Guenther  <rguenther@suse.de>
2451
2452         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2453         Only add RW dependence for dependence distance zero.
2454         Adjust maximal vectorization factor according to dependences.
2455         Move alignment handling ...
2456         (vect_find_same_alignment_drs): ... here.  New function.
2457         (vect_analyze_data_ref_dependences): Adjust.
2458         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2459         (vect_analyze_data_refs): Adjust minimal vectorization factor
2460         according to data references.
2461         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2462         dependences before determining the vectorization factor.
2463         Analyze alignment after determining the vectorization factor.
2464         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2465         dependences before alignment.
2466         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2467         Adjust prototype.
2468         (vect_analyze_data_refs): Likewise.
2469         (MAX_VECTORIZATION_FACTOR): New define.
2470
2471 2010-04-13  Duncan Sands  <baldrick@free.fr>
2472
2473         * except.h (lang_eh_type_covers): Remove.
2474         * except.c (lang_eh_type_covers): Likewise.
2475
2476 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2477             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2478
2479         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2480         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2481         UNITS_PER_LONG where it is ABI relevant.
2482         (s390_return_addr_rtx): Likewise.
2483         (s390_back_chain_rtx): Likewise.
2484         (s390_frame_area): Likewise.
2485         (s390_frame_info): Likewise.
2486         (s390_initial_elimination_offset): Likewise.
2487         (save_gprs): Likewise.
2488         (s390_emit_prologue): Likewise.
2489         (s390_emit_epilogue): Likewise.
2490         (s390_function_arg_advance): Likewise.
2491         (s390_function_arg): Likewise.
2492         (s390_va_start): Likewise.
2493         (s390_gimplify_va_arg): Likewise.
2494         (s390_function_profiler): Likewise.
2495         (s390_optimize_prologue): Likewise.
2496         (s390_rtx_costs): Likewise.
2497         (s390_secondary_reload): Likewise.
2498         (s390_promote_function_mode): Likewise.
2499         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2500         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2501         registers available.
2502         (s390_unwind_word_mode): New function.
2503         (s390_function_value): Split 64 bit values into register pair if
2504         used as return value.
2505         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2506         function call parameters.  Handle parallels.
2507         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2508         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2509         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2510         (s390_expand_setmem): Remove unused variable src_addr.
2511         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2512         deal with 64 bit registers.
2513         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2514         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2515         (UNITS_PER_LONG): New macro.
2516         * libjava/include/s390-signal.h: Define extended ucontext
2517         structure containing the upper halfs of the 64 bit registers.
2518
2519 2010-04-13  Simon Baldwin  <simonb@google.com>
2520
2521         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2522
2523 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2524
2525         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2526         rvalue on the RHS if the LHS is of a non-renamable type.
2527         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2528
2529 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2530
2531         * gcc.c (cc1_options): Handle -iplugindir before processing
2532         the cc1 spec. Only add -iplugindir once.
2533         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2534         found.
2535         * common.opt (iplugindir): Remove `Separate' property, initialize.
2536         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2537         option.
2538         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2539         (distclean): Remove plugin dir.
2540         * doc/invoke.texi: Document -iplugindir.
2541
2542 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2543
2544         * doc/plugins.texi (Loading Plugins): Document short
2545         -fplugin=foo option.
2546         (Plugin API): Mention default_plugin_dir_name function.
2547
2548         * gcc.c (find_file_spec_function): Add new declaration.
2549         (static_spec_func): Use it for "find-file".
2550         (find_file_spec_function): Add new function.
2551         (cc1_options): Add -iplugindir option if -fplugin* options found.
2552
2553         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2554
2555         * plugin.c (add_new_plugin): Updated comment, and handle short
2556         plugin name.
2557         (default_plugin_dir_name): Added new function.
2558
2559         * common.opt (iplugindir): New option to set the plugin directory.
2560
2561 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2562
2563         * config/i386/i386.md (any_rotate): New code iterator.
2564         (rotate_insn): New code attribute.
2565         (rotate): Ditto.
2566         (SWIM124): New mode iterator.
2567         (<rotate_insn>ti3): New expander.
2568         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2569         any_rotate code iterator.
2570         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2571         using any_rotate code iterator and SWIM124 mode iterator.
2572         (ix86_rotlti3): New insn_and_split pattern.
2573         (ix86_rotrti3): Ditto.
2574         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2575         ix86_rotl{di,ti}3 patterns.
2576         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2577         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2578         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2579         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2580         code iterator and SWI mode iterator.
2581         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2582         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2583         code iterator.
2584         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2585         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2586         (bswap rotatert splitter): Add splitter.
2587         (bswap splitter): Macroize splitter using any_rotate code iterator.
2588         Add insn predicate to split only for TARGET_USE_XCHGB or when
2589         optimizing function for size.
2590
2591 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2592
2593         * config/pa/pa.c (emit_move_sequence): Remove use of
2594         deleted variable flag_argument_noalias.
2595
2596 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2597
2598         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2599         configurations.
2600         Add to unsupported targets list.
2601         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2602         sparc*-sun-solaris2.[567]* from target lists.
2603         * configure: Regenerate.
2604         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2605         removal.
2606         Remove Solaris 7 patch references.
2607         (Specific, sparc-sun-solaris2.7): Removed.
2608         (sparc-sun-solaris2*): Update Solaris 7 example.
2609         (sparc64-*-solaris2*): Likewise.
2610
2611 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2612
2613         * config.build (alpha*-dec-osf4*): Remove.
2614         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2615         of obsolete configurations.
2616         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2617         support.
2618         * config/alpha/t-osf4: Renamed to ...
2619         * config/alpha/t-osf5: ... this.
2620         * config/alpha/osf.h: Renamed to ...
2621         * config/alpha/osf5.h: ... this.
2622         Merged old osf5.h contents.
2623         Update comments.
2624         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2625         (EXTRA_SPECS): Removed.
2626         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2627         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2628         Document that.
2629
2630 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2631
2632         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2633
2634 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2635
2636         PR/43702
2637         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2638         __thiscall convention.
2639
2640 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2641
2642         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2643         orig_base.
2644         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2645
2646 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2647
2648         * function.c (assign_parms_initialize_all): Add unused attribute
2649         to fntype.
2650
2651 2010-04-12  Richard Guenther  <rguenther@suse.de>
2652
2653         * gsstruct.def (GSS_CALL): New.
2654         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2655         * gimple.h: Include tree-ssa-alias.h.
2656         (struct gimple_statement_call): New.
2657         (union gimple_statement_struct_d): Add gimple_call member.
2658         (gimple_call_reset_alias_info): Declare.
2659         (gimple_call_use_set): New function.
2660         (gimple_call_clobber_set): Likewise.
2661         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2662         * gimple.c (gimple_call_reset_alias_info): New function.
2663         (gimple_build_call_1): Call it.
2664         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2665         * tree-inline.c (remap_gimple_stmt): Likewise.
2666         (expand_call_inline): Remove callused handling.
2667         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2668         * tree-dfa.c (dump_variable): Likewise.
2669         * tree-parloops.c (parallelize_loops): Likewise.
2670         * tree-ssa.c (init_tree_ssa): Likewise.
2671         (delete_tree_ssa): Likewise.
2672         * tree-flow-inline.h (is_call_used): Remove.
2673         * tree-flow.h (struct gimple_df): Remove callused member.
2674         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2675         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2676         (ref_maybe_used_by_call_p_1): Simplify.
2677         (call_may_clobber_ref_p_1): Likewise.
2678         * tree-ssa-structalias.c (compute_points_to_sets): Set
2679         the call stmt used and clobbered sets.
2680         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2681         (find_tail_calls): Verify the tail call.
2682
2683 2010-04-12  Richard Guenther  <rguenther@suse.de>
2684
2685         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2686         single-iteration always-inline inlining.
2687         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2688         (cgraph_decide_inlining): Do not handle always-inline specially.
2689         (try_inline): Remove always-inline cycle detection special case.
2690         Do not recurse on always-inlines.
2691         (cgraph_early_inlining): Do not iterate if not optimizing.
2692         (cgraph_gate_early_inlining): remove.
2693         (pass_early_inline): Run unconditionally.
2694         (gate_cgraph_decide_inlining): New function.
2695         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2696         not inlining or optimizing.
2697         (cgraph_decide_inlining_of_small_functions): Also consider
2698         always-inline functions.
2699         (cgraph_default_inline_p): Return true for nodes which should
2700         disregard inline limits.
2701         (estimate_function_body_sizes): Assume zero size and time for
2702         nodes which are marked as disregarding inline limits.
2703         (cgraph_decide_recursive_inlining): Do not perform recursive
2704         inlining on always-inline nodes.
2705
2706 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2707
2708         PR bootstrap/43699
2709         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2710         for exprs satisfying handled_component_p.
2711
2712 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2713
2714         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2715         non-constant aggregate elements.
2716
2717         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2718         is a real initialization.
2719
2720 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2721
2722         PR c/36774
2723         * c-decl.c (start_function): Move forward check for nested function.
2724
2725 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2726
2727         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2728         * config/sh/sh.c: Include reload.h.
2729         (sh_legitimize_reload_address): New.
2730         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2731         sh_legitimize_reload_address.
2732
2733 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2734
2735         * config/sh/sh.md (*movqi_pop): New insn pattern.
2736         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2737
2738 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2739
2740         * config/i386/i386.md (any_shiftrt): New code iterator.
2741         (shiftrt_insn): New code attribute.
2742         (shiftrt): Ditto.
2743         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2744         using any_shiftrt code iterator.
2745         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2746         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2747         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2748         pattern from corresponding peephole2 patterns.
2749         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2750         using any_shiftrt code iterator.
2751         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2752         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2753         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2754         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2755         *{ashr,lshr}<mode>3_cmp_zext.
2756         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2757
2758 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2759
2760         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2761         scratch register.
2762         (*lshr<mode>3_cconly): Ditto.
2763
2764 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2765
2766         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2767         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2768         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2769         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2770         DWI mode iterator.
2771         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2772         from corresponding peephole2 patterns.
2773         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2774         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2775         and *lshrdi3_1_rex64 using SWI mode iterator.
2776         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2777         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2778         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2779         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2780         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2781         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2782         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2783         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2784         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2785         SWI mode iterator.
2786
2787 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2788
2789         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2790         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2791         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2792         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2793         DWI mode iterator.
2794         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2795         from corresponding peephole2 patterns.
2796         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2797         (ashrsi3_cvt): Rename from ashrsi3_31.
2798         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2799         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2800         and x86_64_shift_adj_3 using SWI48 mode iterator.
2801         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2802         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2803         and *ashrdi3_1_rex64 using SWI mode iterator.
2804         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2805         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2806         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2807         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2808         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2809         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2810         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2811         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2812         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2813         SWI mode iterator.
2814         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2815         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2816         x86_shift<mode>_adj_3 expanders.
2817
2818 2010-04-10  Wei Guozhi  <carrot@google.com>
2819
2820         PR target/42601
2821         * config/arm/arm.c (arm_pic_static_addr): New function.
2822         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2823         a static symbol.
2824         (arm_output_addr_const_extra): Output expression for new pattern.
2825         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2826
2827 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2828
2829         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2830         not enabled.
2831
2832         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2833         * web.c: Include "insn-config.h" and "recog.h".
2834         (union_match_dups): New function.
2835         (web_main): Call it.
2836         (union_defs): Don't try to recognize match_dups.
2837
2838         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2839         if doing so would replace the entire pattern.
2840
2841 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2842
2843         PR target/43707
2844         PR target/43709
2845         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2846         and splitter pattern.  Change splitter operand 1 predicate to
2847         nonmemory_operand.
2848
2849 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2850
2851         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2852         lattices are addresses of CONST_DECLs with the same initial value.
2853         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2854         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2855
2856 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2857             Bernd Schmidt  <bernds@codesourcery.com>
2858
2859         * loop-invariant.c (replace_uses): New static function.
2860         (move_invariant_reg): Use it to ensure we can replace the uses.
2861
2862 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2863
2864         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2865         function template.
2866         (picochip_override_options): Enable section anchors only above -O1.
2867         (picochip_reorg): Fixed a couple of build warnings.
2868
2869 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2870
2871         * configure.ac (plugin -rdynamic test): Log result.
2872         * configure: Regenerate.
2873         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2874         (RDYNAMIC_SPEC): Define.
2875         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2876
2877 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2878
2879         * configure.ac: Determine Sun ld version numbers.
2880         (comdat_group): Restrict GNU ld version checks to gld.
2881         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2882         (enable_comdat): Support --enable-comdat.
2883         * configure: Regenerate.
2884         * doc/install.texi (Configuration): Document --enable-comdat.
2885
2886 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2887
2888         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2889         * config/sol2-gld.h: ... here.
2890         * config.gcc (sparc*-*-solaris2*): Reflect this.
2891         (i[34567]86-*-solaris2*): Use it.
2892
2893 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2894
2895         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2896         setup_clocks_p.
2897         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2898
2899 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2900
2901         PR 42965
2902         * diagnostic.c (diagnostic_initialize): Initialize
2903         some_warnings_are_errors.
2904         (diagnostic_finish): New.
2905         (diagnostic_action_after_output): Call it before exiting.
2906         (diagnostic_report_diagnostic): Do not print message here. Set
2907         some_warnings_are_errors.
2908         * diagnostic.h (diagnostic_context): Delete
2909         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2910         (diagnostic_finish): Declare.
2911         * toplev.c (toplev_main): Call it before exit.
2912
2913 2010-04-09  Jason Merrill  <jason@redhat.com>
2914
2915         PR c++/42623
2916         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2917         for incomplete type.
2918
2919         PR c++/41788
2920         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2921         based on a warning flag.
2922
2923 2010-04-09  Richard Guenther  <rguenther@suse.de>
2924
2925         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2926
2927 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2928
2929         PR bootstrap/43684
2930         * varasm.c (default_assemble_visibility): Wrap vars that are
2931         set, but unused, by targets without GAS.
2932         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2933         Remove set, but unused, vars.
2934         (rs6000_legitimize_tls_address): Likewise.
2935         (altivec_expand_dst_builtin): Likewise.
2936         * config/darwin.c (machopic_classify_symbol): Likewise.
2937         (machopic_indirection_name): Likewise.
2938
2939 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2940
2941         * config/i386/i386.md (DWI): New mode iterator.
2942         (S): New mode attribute.
2943         (shift_operand): Ditto.
2944         (shift_immediate_operand): Ditto.
2945         (ashl_input_operand): Ditto.
2946         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2947         using SDWIM mode iterator.
2948         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2949         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2950         DWI mode iterator.
2951         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2952         from corresponding peephole2 patterns.
2953         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2954         and x86_64_shift_adj_1 using SWI48 mode iterator.
2955         (x86_shift<mode>_adj_2): Ditto.
2956         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2957         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2958         using SWI48 mode iterator.
2959         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2960         *ashldi3_cmp_rex64 using SWI mode iterator.
2961         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2962         *ashldi3_cconly_rex64 using SWI mode iterator.
2963         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2964         x86_shift<mode>_adj_{1,2}.
2965         (ix86_split_ashr): Ditto.
2966         (ix86_split_lshr): Ditto.
2967
2968 2010-04-09  Richard Guenther  <rguenther@suse.de>
2969
2970         * target.h (builtin_conversion): Pass in input and output types.
2971         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2972         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2973         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2974         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2975
2976         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2977         Handle AVX modes.
2978         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2979
2980 2010-04-09  Richard Guenther  <rguenther@suse.de>
2981
2982         PR target/43152
2983         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2984
2985 2010-04-09  Richard Guenther  <rguenther@suse.de>
2986
2987         * tree-vectorizer.h (struct _stmt_vec_info): Document
2988         that vectype is the type of the LHS.
2989         (supportable_widening_operation, supportable_narrowing_operation):
2990         Get both input and output vector types as arguments.
2991         (vect_is_simple_use_1): Declare.
2992         (get_same_sized_vectype): Likewise.
2993         * tree-vect-loop.c (vect_determine_vectorization_factor):
2994         Set STMT_VINFO_VECTYPE to the vector type of the def.
2995         (vectorizable_reduction): Adjust.
2996         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2997         Adjust.  Specify the output vector type.
2998         (vect_pattern_recog_1): Adjust.
2999         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3000         (vectorizable_call): Adjust.
3001         (vectorizable_conversion): Likewise.
3002         (vectorizable_operation): Likewise.
3003         (vectorizable_type_demotion): Likewise.
3004         (vectorizable_type_promotion): Likewise.
3005         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3006         the def.
3007         (vect_is_simple_use_1): New function.
3008         (supportable_widening_operation): Get both input and output
3009         vector types.
3010         (supportable_narrowing_operation): Likewise.
3011         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3012
3013 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3014
3015         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3016         __thiscall and _thiscall as predefined macros.
3017         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3018         thiscall attribute handling.
3019         (ix86_comp_type_attributes): Likewise.
3020         (ix86_function_regparm): Likewise.
3021         (ix86_return_pops_args): Likewise.
3022         (init_cumulative_args): Likewise.
3023         (find_drap_reg): Likewise.
3024         (ix86_static_chain): Likewise.
3025         (x86_this_parameter): Likewise.
3026         (x86_output_mi_thunk): Likewise.
3027         (ix86_attribute_table): Add description for thiscall attribute.
3028         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3029         * doc/extend.texi: Add documentation for thiscall.
3030
3031 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3032
3033         PR c++/28584
3034         * c.opt (Wint-to-pointer-cast): Available in C++.
3035         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3036
3037 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3038
3039         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3040         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3041         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3042         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3043         function type instead.  Reorder and simplify checks.
3044
3045         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3046
3047 2010-04-08  Jing Yu  <jingyu@google.com>
3048             Zdenek Dvorak  <ook@ucw.cz>
3049
3050         PR tree-optimization/42720
3051         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3052         loop unswitch conditions here from ...
3053         (tree_unswitch_single_loop): ... here.
3054
3055 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3056
3057         * tree-if-conv.c: Fix comments and simplify logic.
3058
3059 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3060
3061         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3062         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3063         (main_tree_if_conversion): Update call to tree_if_conversion.
3064
3065 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3066
3067         PR 42485
3068         * doc/invoke.texi (-b,-V): Delete.
3069         * doc/tm.texi: Do not mention -b.
3070         * gcc.c (display_help): Delete -b and -V.
3071         (process_command): Delete -b and -V.
3072         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3073
3074 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3075             Wolfgang Gellerich  <gellerich@de.ibm.com>
3076
3077         Implement target hook for loop unrolling
3078         * target.h (loop_unroll_adjust): Add a new target hook function.
3079         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3080         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3081         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3082         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3083         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3084         target hook.
3085         (decide_unroll_stupid): Likewise.
3086
3087 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3088
3089         PR target/43643
3090         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3091
3092 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3093
3094         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3095         (Specific, *-*-solaris2*): Likewise.
3096         Don't prefer Sun as over GNU as.
3097
3098 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3099
3100         * config/s390/s390.c (override_options): Adjust the z10
3101           defaults for max-unroll-times, max-completely-peeled-insns
3102           and max-completely-peel-times.
3103
3104 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3105
3106         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3107         instructions for z10.
3108         (s390_expand_setmem): Likewise.
3109         (s390_expand_cmpmem): Likewise.
3110
3111 2010-04-08  Richard Guenther  <rguenther@suse.de>
3112
3113         PR tree-optimization/43679
3114         * tree-ssa-pre.c (eliminate): Only propagate copies.
3115
3116 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3117
3118         PR bootstrap/43681
3119         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3120         set but not used variable warning.
3121
3122 2010-04-08  Wei Guozhi  <carrot@google.com>
3123
3124         PR target/41653
3125         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3126         (arm_size_rtx_costs): Call the new function when optimized for size.
3127
3128 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3129
3130         PR debug/43670
3131         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3132         op0 is not a MEM, just return NULL instead of assertion
3133         failure.
3134         (discover_nonconstant_array_refs): Don't walk debug stmts.
3135
3136 2010-04-08  Doug Kwan  <dougkwan@google.com>
3137
3138         * configure.ac: Recognize gold and do not use its version number
3139         to test ld features.
3140         * configure: Regenerate.
3141
3142 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3143
3144         PR middle-end/40815
3145         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3146         (negate_value): Move code to push elements to broken_up_substracts ...
3147         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3148         negative pair to plus_negates.
3149         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3150
3151 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3152
3153         * doc/install.texi (Configuration): Move description of
3154         --enable-lto, --with-libelf*, --enable-gold from Java section to
3155         general section.
3156
3157         * doc/generic.texi (Working with declarations)
3158         (Function Properties, C and C++ Trees): Fix typos.
3159         * doc/sourcebuild.texi (Top Level): Likewise.
3160
3161 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3162
3163         PR c/18624
3164         * tree.h (DECL_READ_P): Define.
3165         (struct tree_decl_common): Add decl_read_flag.
3166         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3167         a set but not used warning.
3168         (merge_decls): Merge DECL_READ_P flag.
3169         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3170         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3171         * c-common.c (handle_used_attribute, handle_unused_attribute):
3172         Likewise.
3173         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3174         New prototypes.
3175         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3176         New functions.
3177         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3178         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3179         c_parser_binary_expression, c_parser_cast_expression,
3180         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3181         Call default_function_array_read_conversion instead of
3182         default_function_array_conversion where needed.
3183         (c_parser_unary_expression, c_parser_conditional_expression,
3184         c_parser_postfix_expression_after_primary, c_parser_initelt):
3185         Likewise.  Call mark_exp_read where needed.
3186         (c_parser_statement_after_labels, c_parser_asm_operands,
3187         c_parser_typeof_specifier, c_parser_sizeof_expression,
3188         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3189         where needed.
3190         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3191         New.
3192         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3193         (warn_unused_but_set_parameter): Default to warn_unused
3194         && extra_warnings.
3195         * doc/invoke.texi: Document -Wunused-but-set-variable and
3196         -Wunused-but-set-parameter.
3197
3198         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3199         used count variable.
3200         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3201         when operandN variables aren't used in the body of the expander
3202         or splitter.
3203         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3204         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3205         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3206         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3207         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3208         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3209         * tree.c (PROCESS_ARG): Likewise.
3210
3211 2010-04-07  Simon Baldwin  <simonb@google.com>
3212
3213         * diagnostic.h (diagnostic_override_option_index): New macro to
3214         set a diagnostic's option_index.
3215         * c-tree.h (c_cpp_error): Add warning reason argument.
3216         * opts.c (_warning_as_error_callback): New.
3217         (register_warning_as_error_callback): Store callback for
3218         warnings enabled via enable_warning_as_error.
3219         (enable_warning_as_error): Call callback, minor code tidy.
3220         * opts.h (register_warning_as_error_callback): Declare.
3221         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3222         response to -Werror=.
3223         (c_common_init_options): Register warning_as_error_callback in opts.c.
3224         * common.opt: Add -Wno-cpp option.
3225         * c-common.c (struct reason_option_codes_t): Map cpp warning
3226         reason codes to gcc option indexes.
3227         * (c_option_controlling_cpp_error): New function, lookup the gcc
3228         option index for a cpp warning reason code.
3229         * (c_cpp_error): Add warning reason argument, call
3230         c_option_controlling_cpp_error for diagnostic_override_option_index.
3231         * doc/invoke.texi: Document -Wno-cpp.
3232
3233 2010-04-07  Richard Guenther  <rguenther@suse.de>
3234
3235         * ipa-reference.c (mark_load): Use get_base_address.
3236         (mark_store): Likewise.
3237
3238         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3239         inserting GIMPLE_NOPs into the IL.
3240         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3241         Explicitly strip handled components and indirect references.
3242
3243         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3244         folding address expressions.
3245         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3246         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3247         operand_equal_p to compare decls.
3248         (ptr_deref_may_alias_decl_p): Likewise.
3249         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3250         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3251         Handle reversed comparison ops.
3252         * tree-sra.c (asm_visit_addr): Use get_base_address.
3253         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3254         * ipa-reference.c (mark_address): Use get_base_address.
3255
3256 2010-04-07  Richard Guenther  <rguenther@suse.de>
3257
3258         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3259         Propagate constants everywhere.
3260
3261 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3262
3263         PR debug/43516
3264         * tree.c (MAX_INT_CACHED_PREC): Define.
3265         (nonstandard_integer_type_cache): New array.
3266         (build_nonstandard_integer_type): Cache results for precision
3267         <= MAX_INT_CACHED_PREC.
3268
3269 2010-04-07  Richard Guenther  <rguenther@suse.de>
3270
3271         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3272         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3273         * common.opt: Likewise.
3274         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3275         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3276         (nonoverlapping_memrefs_p): Likewise.
3277         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3278         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3279         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3280         OPT_fargument_noalias_global for backward compatibility.
3281
3282 2010-04-07  Richard Guenther  <rguenther@suse.de>
3283
3284         PR tree-optimization/43270
3285         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3286         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3287         * tree-ssa-pre.c (phi_translate_1): Adjust.
3288         (fully_constant_expression): Split out vn_reference handling to ...
3289         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3290         Fold reads from constant strings.
3291         (vn_reference_lookup): Handle fully constant references.
3292         (vn_reference_lookup_pieces): Likewise.
3293         * Makefile.in (expmed.o-warn): Add -Wno-error.
3294
3295 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3296
3297         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3298
3299 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3300
3301         PR driver/41594
3302         * gcc.c: Add -static-libstdc++ to list of recognized options.
3303
3304 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3305
3306         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3307
3308 2010-04-07  Richard Guenther  <rguenther@suse.de>
3309
3310         PR middle-end/42617
3311         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3312         bases build simple mem attributes to retain points-to information.
3313
3314 2010-04-07  Richard Guenther  <rguenther@suse.de>
3315
3316         PR middle-end/42617
3317         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3318         preserve points-to related information.
3319
3320 2010-04-07  Richard Guenther  <rguenther@suse.de>
3321
3322         PR middle-end/42617
3323         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3324         discard plain indirect references.
3325         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3326         * tree.c (tree_nop_conversion): Likewise.
3327
3328 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3329
3330         PR debug/43628
3331         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3332
3333 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3334
3335         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3336         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3337
3338 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3339
3340         * tree-if-conv.c: Fix indentation and comments.
3341
3342 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3343
3344         * tree-if-conv.c: Sort static functions in topological order.
3345
3346 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3347
3348         * tree-if-conv.c: Fix indentation and comments.
3349
3350 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3351
3352         PR middle-end/43519
3353         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3354         lang_hooks.types.type_for_size instead of
3355         build_nonstandard_integer_type.
3356         When converting an unsigned type to signed, double its precision.
3357         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3358         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3359         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3360         use lb <= ub.
3361
3362 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3363
3364         PR middle-end/43519
3365         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3366         POINTER_PLUS_EXPR for pointer types.
3367
3368 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3369
3370         PR middle-end/43519
3371         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3372         * graphite-clast-to-gimple.c: Include langhooks.h.
3373         (max_signed_precision_type): New.
3374         (max_precision_type): Takes two types as arguments.
3375         (precision_for_value): New.
3376         (precision_for_interval): New.
3377         (gcc_type_for_interval): New.
3378         (gcc_type_for_value): New.
3379         (gcc_type_for_clast_term): New.
3380         (gcc_type_for_clast_red): New.
3381         (gcc_type_for_clast_bin): New.
3382         (gcc_type_for_clast_expr): Split up into several functions.
3383         (gcc_type_for_clast_eq): Rewritten.
3384         (compute_bounds_for_level): New.
3385         (compute_type_for_level_1): New.
3386         (compute_type_for_level): New.
3387         (gcc_type_for_cloog_iv): Removed.
3388         (gcc_type_for_iv_of_clast_loop): Rewritten.
3389         (graphite_create_new_loop): Compute the lower and upper bound types
3390         with gcc_type_for_clast_expr.
3391         (graphite_create_new_loop_guard): Same.
3392         (find_cloog_iv_in_expr): Removed.
3393         (compute_cloog_iv_types_1): Removed.
3394         (compute_cloog_iv_types): Removed.
3395         (gloog): Do not call compute_cloog_iv_types.
3396         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3397         GBB_CLOOG_IV_TYPES.
3398         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3399         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3400         (GBB_CLOOG_IV_TYPES): Removed.
3401
3402 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3403
3404         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3405         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3406         (detect_commutative_reduction): Same.
3407
3408 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3409
3410         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3411         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3412         argument.
3413         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3414         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3415         (rewrite_commutative_reductions_out_of_ssa): Same.
3416         * passes.c (execute_function_todo): Call verify_ssa for every pass
3417         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3418         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3419         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3420         with an extra argument.
3421         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3422         verify_ssa only when the extra argument is true.
3423         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3424         with an extra argument.
3425         (tree_transform_and_unroll_loop): Same.
3426
3427 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3428
3429         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3430         for all the passes of the LNO having LOOP_CLOSED_SSA.
3431         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3432         * tree-loop-distribution.c (pass_loop_distribution): Same.
3433         * tree-pass.h (TODO_verify_loops): Removed.
3434         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3435         (pass_lim): Same.
3436         (pass_tree_unswitch): Same.
3437         (pass_predcom): Same.
3438         (pass_vectorize): Same.
3439         (pass_linear_transform): Same.
3440         (pass_graphite_transforms): Same.
3441         (pass_iv_canon): Same.
3442         (pass_complete_unroll): Same.
3443         (pass_complete_unrolli): Same.
3444         (pass_parallelize_loops): Same.
3445         (pass_loop_prefetch): Same.
3446         (pass_iv_optimize): Same.
3447
3448 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3449
3450         PR middle-end/32824
3451         * passes.c (init_optimization_passes): Move pass_lim before
3452         pass_copy_prop and pass_dce_loop.
3453
3454 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3455
3456         PR target/43667
3457         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3458         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3459         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3460         MULTI_* defines for 4 argument vpermil2p* builtins.
3461
3462 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3463
3464         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3465         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3466         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3467         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3468         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3469         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3470         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3471         Use x86_maybe_negate_const_int to output insn mnemonic.
3472         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3473         check from instruction predicate.  Update comments.
3474         * config/i386/sync.md (sync_add<mode>): Use
3475         x86_maybe_negate_const_int to output insn mnemonic.
3476
3477 2010-04-06  Jan Hubicka  <jh@suse.cz>
3478
3479         PR tree-optimization/42906
3480         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3481         IGNORE_SELF argument.  Set visited_control_parents for fully
3482         processed BBs.
3483         (find_obviously_necessary_stmts): Update call of
3484         mark_control_dependent_edges_necessary.
3485         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3486
3487 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3488
3489         * config/i386/i386.md: Remove comment about 'e' and 'E'
3490         operand modifier.
3491
3492 2010-04-06  Richard Guenther  <rguenther@suse.de>
3493
3494         PR tree-optimization/43627
3495         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3496         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3497         not varying.
3498
3499 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3500
3501         * BASE-VER: Change to 4.6.0.
3502
3503         PR target/43638
3504         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3505         handling.
3506
3507 2010-04-06  Richard Guenther  <rguenther@suse.de>
3508
3509         PR middle-end/43661
3510         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3511
3512 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3513
3514         * doc/invoke.texi (Optimize Options): Document that LTO
3515         won't remove object access purely due to incompatible
3516         declarations.
3517
3518 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3519
3520         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3521         Initialize variable.
3522
3523 2010-04-03  Richard Guenther  <rguenther@suse.de>
3524
3525         PR middle-end/42509
3526         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3527         require a non-NULL MEM_OFFSET.
3528
3529 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3530
3531         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3532         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3533         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3534         config/alpha/predicates.md, config/arm/arm.md,
3535         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3536         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3537         config/darwin9.h, config/darwin.c, config/darwin.h,
3538         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3539         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3540         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3541         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3542         config/mips/mips.md, config/mn10300/mn10300.c,
3543         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3544         config/rs6000/aix.h, config/rs6000/dfp.md,
3545         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3546         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3547         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3548         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3549         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3550         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3551         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3552         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3553         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3554         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3555         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3556         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3557         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3558         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3559         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3560         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3561         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3562         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3563         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3564         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3565         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3566         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3567         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3568         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3569         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3570         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3571         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3572         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3573         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3574         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3575         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3576         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3577         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3578         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3579         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3580         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3581
3582 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3583
3584         PR other/43620
3585         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3586         * aclocal.m4: Regenerate.
3587
3588 2010-04-02  Richard Guenther  <rguenther@suse.de>
3589
3590         PR tree-optimization/43629
3591         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3592         if we have seen a constant value.
3593
3594 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3595
3596         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3597
3598 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3599
3600         PR target/43469
3601         * arm.c (legitimize_tls_address): Adjust call to
3602         gen_tls_load_dot_plus_four.
3603         (arm_note_pic_base): New function.
3604         (arm_cannot_copy_insn_p): Use it.
3605         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3606         constraint.
3607
3608 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3609
3610         PR bootstrap/43531
3611
3612         Revert:
3613         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3614
3615         * Makefile.in ($(out_object_file)): Depend on
3616         gt-$(basename $(notdir $(out_file))).h.
3617
3618 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3619
3620         * config.gcc (lm32-*-rtems*): Add t-lm32.
3621
3622 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3623
3624         * config.gcc: Add lm32-*-rtems*.
3625         * config/lm32/rtems.h: New file.
3626
3627 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3628
3629         PR target/42609
3630         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3631
3632 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3633
3634         * dwarf2out.c (output_compilation_unit_header): For
3635         -gdwarf-4 use version 4 instead of version 3.
3636         (output_line_info): For version 4 and above emit additional
3637         maximum ops per insn header field.
3638         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3639
3640         * dwarf2out.c (is_c_family, is_java): Remove.
3641         (lower_bound_default): New function.
3642         (add_bound_info, gen_descr_array_type_die): Use it.
3643
3644 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3645
3646         PR debug/43325
3647         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3648         re-declaration when it happens in a function.
3649
3650 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3651
3652         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3653         (cgraph_remove_function_insertion_hook): Same.
3654         (cgraph_call_function_insertion_hooks): Same.
3655
3656 2010-04-01  Richard Guenther  <rguenther@suse.de>
3657
3658         PR middle-end/43614
3659         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3660         and TREE_THIS_VOLATILE.
3661         (copy_ref_info): Likewise.
3662         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3663         * tree.c (build6_stat): Ignore side-effects of all but arg5
3664         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3665         TARGET_MEM_REF.
3666
3667 2010-04-01  Richard Guenther  <rguenther@suse.de>
3668
3669         PR tree-optimization/43607
3670         * ipa-type-escape.c (check_call): Do not access non-existing
3671         arguments.
3672
3673 2010-04-01  Richard Guenther  <rguenther@suse.de>
3674
3675         PR middle-end/43602
3676         Revert
3677         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3678                     Jack Howarth <howarth@bromo.med.uc.edu>
3679
3680         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3681         variables TLS.
3682
3683 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3684
3685         * doc/install.texi (Prerequisites): Document libelf usability on
3686         IRIX 5/6 and Solaris 2.
3687         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3688         Update GNU as, GNU ld requirements.
3689         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3690         Document Sun Studio compiler download.
3691         Update and simplify as, ld recommendations.
3692         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3693
3694 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3695
3696         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3697         with_tune_32 to pentium4.
3698
3699 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3700
3701         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3702
3703 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3704
3705         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3706         obsoletion, removal.
3707         Update IDO URL.
3708         Document GNU as requirement.
3709         Update configure requirements.
3710         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3711         Recomment IRIX 6.5.18+.
3712         Document IDF/IDL requirement.
3713         Document GNU as requirement.
3714         Document GNU ld bootstrap failure.
3715         Remove freeware.sgi.com reference.
3716
3717 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3718
3719         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3720         UNIX V4.0, V5.0 obsoletion, removal.
3721         Remove --with-gc=simple reference.
3722         Update VM requirements during bootstrap.
3723         Remove -oldas bootstrap description.
3724         Update binutils reference.
3725         Remove comparison failure note.
3726
3727 2010-03-31  Richard Guenther  <rguenther@suse.de>
3728             Zdenek Dvorak  <ook@ucw.cz>
3729             Sebastian Pop  <sebastian.pop@amd.com>
3730
3731         PR middle-end/43464
3732         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3733         with multiple arguments.
3734         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3735
3736 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3737
3738         * graphite-dependences.c (print_pddr): Call print_pdr with an
3739         extra argument.
3740         * graphite-poly.c (debug_pdr): Add an extra argument for the
3741         verbosity level.
3742         (print_pdr): Same.
3743         (print_pbb_domain): Same.
3744         (print_pbb): Same.
3745         (print_scop_context): Same.
3746         (print_scop): Same.
3747         (print_cloog): Same.
3748         (debug_pbb_domain): Same.
3749         (debug_pbb): Same.
3750         (print_pdrs): Same.
3751         (debug_pdrs): Same.
3752         (debug_scop_context): Same.
3753         (debug_scop): Same.
3754         (debug_cloog): Same.
3755         (print_scop_params): Same.
3756         (debug_scop_params): Same.
3757         (print_iteration_domain): Same.
3758         (print_iteration_domains): Same.
3759         (debug_iteration_domain): Same.
3760         (debug_iteration_domains): Same.
3761         (print_scattering_function): Same.
3762         (print_scattering_functions): Same.
3763         (debug_scattering_function): Same.
3764         (debug_scattering_functions): Same.
3765         * graphite-poly.h (debug_pdr): Update declaration.
3766         (print_pdr): Same.
3767         (print_pbb_domain): Same.
3768         (print_pbb): Same.
3769         (print_scop_context): Same.
3770         (print_scop): Same.
3771         (print_cloog): Same.
3772         (debug_pbb_domain): Same.
3773         (debug_pbb): Same.
3774         (print_pdrs): Same.
3775         (debug_pdrs): Same.
3776         (debug_scop_context): Same.
3777         (debug_scop): Same.
3778         (debug_cloog): Same.
3779         (print_scop_params): Same.
3780         (debug_scop_params): Same.
3781         (print_iteration_domain): Same.
3782         (print_iteration_domains): Same.
3783         (debug_iteration_domain): Same.
3784         (debug_iteration_domains): Same.
3785         (print_scattering_function): Same.
3786         (print_scattering_functions): Same.
3787         (debug_scattering_function): Same.
3788         (debug_scattering_functions): Same.
3789
3790 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3791
3792         * graphite-poly.c (print_scattering_function_1): New.
3793         (print_scattering_function): Call it.
3794         (print_scop_params): Remove spaces at the end of lines.
3795         (print_cloog): New.
3796         (debug_cloog): New.
3797         * graphite-poly.h (print_cloog): Declared.
3798         (debug_cloog): Declared.
3799
3800 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3801
3802         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3803         in loop->header.
3804         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3805         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3806         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3807         to switch between adding the IV bump in loop->latch or in loop->header.
3808
3809 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3810
3811         * graphite-poly.c (print_scattering_function): Pretty print following
3812         the scoplib format.
3813         (print_pdr): Same.
3814         (print_pbb_domain): Same.
3815         (dump_gbb_cases): Same.
3816         (dump_gbb_conditions): Same.
3817         (print_pdrs): Same.
3818         (print_pbb): Same.
3819         (print_scop_params): Same.
3820         (print_scop_context): Same.
3821         (print_scop): Same.
3822         (print_pbb_body): New.
3823         (lst_indent_to): New.
3824         (print_lst): Start new lines with a #.
3825         * graphite-poly.h (pbb_bb): New.
3826         (pbb_index): Use pbb_bb.
3827         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3828         disjuncts.
3829         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3830
3831 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3832
3833         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3834         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3835         and 0 instead of 1 for dw_val_class_flag.
3836         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3837         dw_val_class_range_list, dw_val_class_loc_list,
3838         dw_val_class_lineptr and dw_val_class_macptr, use
3839         DW_FORM_flag_present for dw_val_class_flag and
3840         DW_FORM_exprloc for dw_val_class_loc.
3841         (output_die): For -gdwarf-4 print dw_val_class_loc
3842         size as uleb128 instead of 1 or 2 bytes and don't print
3843         anything for dw_val_class_flag.
3844
3845         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3846         instead of cselib_lookup following by tweaking locs->setting_insn.
3847
3848         PR bootstrap/43596
3849         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3850         even before returning from label, setjmp call or volatile asm
3851         handling.
3852
3853 2010-03-31  Richard Guenther  <rguenther@suse.de>
3854
3855         PR middle-end/43600
3856         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3857         temporary data on stack.
3858
3859 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3860
3861         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3862         (PUSHSECTION_ASM_OP): Remove.
3863         (POPSECTION_ASM_OP): Remove.
3864         (PUSHSECTION_FORMAT): Remove.
3865         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3866         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3867         * config/sol2.c (solaris_output_init_fini): Use it.
3868
3869 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3870
3871         PR 43574
3872         * opt-functions.awk (var_type_struct): Use signed char type
3873         for simple variables.
3874
3875 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3876
3877         * config/sol2.c: Include output.h.
3878         (solaris_assemble_visibility): New function.
3879         * config/t-sol2 (sol2.o): Add output.h dependency.
3880         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3881         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3882         Redefine.
3883
3884 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3885
3886         PR target/43580
3887         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3888         V2SImode or XFmode on PRE_DEC.
3889
3890         PR debug/43557
3891         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3892         BLKmode.
3893
3894 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3895
3896         PR 43562
3897         * reload.h (caller_save_initialized_p): Declare.
3898         * toplev.c (backend_init_target): Don't call
3899         init_caller_save but set caller_save_initialized_p to false.
3900         * caller-save.c (caller_save_initialized_p): Define.
3901         (init_caller_save): Check caller_save_initialized_p.
3902         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3903
3904 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3905
3906         PR target/39048
3907         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3908         and soft-fp/t-softfp to tmake_file.
3909         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3910         (LIBGCC2_TF_CEXT): Define.
3911         (TF_SIZE): Define.
3912
3913 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3914
3915         PR debug/42977
3916         * cselib.c (n_useless_values): Document handling of debug locs.
3917         (n_useless_debug_values, n_debug_values): New variables.
3918         (new_elt_loc_list): Don't add to debug values, keep count.
3919         (promote_debug_loc): New.
3920         (cselib_reset_table): Zero new variables.
3921         (entry_and_rtx_equal_p): Promote debug locs.
3922         (discard_useless_locs): Increment n_useless_debug_values for
3923         debug values.
3924         (remove_useless_values): Adjust n_useless_values and n_debug_values
3925         with n_useless_debug_values.
3926         (add_mem_for_addr): Promote debug locs.
3927         (cselib_lookup_mem): Likewise.
3928         (cselib_lookup_addr): Renamed to...
3929         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3930         (cselib_log_lookup): ... this.  Turn into...
3931         (cselib_lookup_addr): ... new wrapper.
3932         (cselib_lookup_from_insn): New.
3933         (cselib_invalidate_regno): Increment n_useless_debug_values for
3934         debug values.
3935         (cselib_invalidate_mem): Likewise.
3936         (cselib_process_insn): Take n_deleted and n_debug_values into
3937         account to guard remove_useless_value call.
3938         (cselib_finish): Zero n_useless_debug_values.
3939         * cselib.h (cselib_lookup_from_insn): Declare.
3940         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3941         (sched_analyze_2): Likewise.
3942
3943 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3944
3945         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3946         functions.
3947         (adjust_mems): Replace narrowing SUBREG of expression containing
3948         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3949         with operations in the narrower mode.
3950
3951         PR debug/43593
3952         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3953         regs_invalidated_by_call instead all call_used_reg_set registers.
3954
3955 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3956
3957         PR middle-end/43430
3958         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3959         pointer comparisons with types_compatible_p.
3960         * tree-vect-stmts.c (vectorizable_call): Same.
3961         (vectorizable_condition): Same.
3962
3963 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3964
3965         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3966         stack check if the mask would be zero.
3967
3968 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3969             Jack Howarth <howarth@bromo.med.uc.edu>
3970
3971         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3972         variables TLS.
3973
3974 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3975
3976         PR other/25232
3977         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3978         and __unordtf2.
3979         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3980         Include ___unordxf2 and ___unordtf2.
3981         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3982         GCC_4.4.0 here.
3983
3984 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3985
3986         * config/lm32/t-lm32: New file.
3987         * config.gcc: Use the above file when targetting lm32.
3988
3989 2010-03-28  Duncan Sands  <baldrick@free.fr>
3990
3991         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3992
3993 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3994
3995         PR middle-end/43431
3996         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3997         Improve vectorization cost model diagnostic.