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* stor-layout.c (pending_sizes): Change the type to
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
2
3         * stor-layout.c (pending_sizes): Change the type to
4         VEC(tree,gc) *.
5         (get_pending_sizes, put_pending_size, put_pending_sizes):
6         Update the uses of pending_sizes.
7         * c-decl.c (store_parm_decls): Likewise.
8         * c-tree.h (struct c_arg_info): Likewise.
9         * tree.h: Update the prototype for get_pending_sizes and
10         put_pending_sizes.
11
12 2010-05-05  Jason Merrill  <jason@redhat.com>
13
14         PR debug/43370
15         * c-common.c (handle_aligned_attribute): Respect
16         ATTR_FLAG_TYPE_IN_PLACE.
17
18         PR testsuite/43758
19         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
20         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
21         (TARGET_INITIALIZER): Use it.
22         * c-common.c (attribute_takes_identifier_p): Call it.
23         * c-common.h: Update prototype.
24         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
25         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
26
27 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
28
29         PR debug/43950
30         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
31         DW_ID_down_case for Fortran compilation units.
32
33 2010-05-05  Jan Hubicka  <jh@suse.cz>
34
35         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
36         handle aliases.
37
38 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
39
40         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
41         a variable-sized RESULT_DECL.
42
43 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
44
45         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
46
47 2010-05-05  Jason Merrill  <jason@redhat.com>
48
49         PR c++/43787
50         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
51         returns GS_OK.
52         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
53
54 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
55             Jakub Jelinek  <jakub@redhat.com>
56
57         PR debug/43478
58         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
59         (dead_debug_init, dead_debug_finish): New functions.
60         (dead_debug_add, dead_debug_insert_before): Likewise.
61         (df_note_bb_compute): Initialize a dead_debug object, add dead
62         debug uses to it, insert debug bind insns before death insns,
63         reset debug insns that refer to pending uses at the end.
64         * rtl.h (make_debug_expr_from_rtl): New prototype.
65         * varasm.c (make_debug_expr_from_rtl): New function.
66
67 2010-05-05  Jan Hubicka  <jh@suse.cz>
68
69         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
70         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
71         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
72         lto_varpool_encoder_encode_initializer_p,
73         lto_set_varpool_encoder_encode_initializer): New functions.
74         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
75         call output_varpool.
76         (input_varpool_node): Do not always set analyzed.
77         (input_cgraph_1): Return vector of cgraph nodes.
78         (input_varpool_1): Return vector of varpools.
79         (input_cgraph): Free the vectors.
80         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
81         output only initializers needed.
82         (lto_output): Only call output_cgraph.
83         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
84         * lto-section-out.c (lto_new_out_decl_state): Initialize
85         state->varpool_node_encoder.
86         * lto-streamer.h (lto_varpool_encoder_d): New.
87         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
88         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
89         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
90         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
91         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
92         Declare.
93         (output_varpool, input_varpool): Remove declarations.
94
95 2010-05-05  Jan Hubicka  <jh@suse.cz>
96
97         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
98         with body can prevail.
99
100 2010-05-05  Jan Hubicka  <jh@suse.cz>
101
102         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
103         size.
104
105 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
106
107         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
108         dependencies.
109
110         * gengtype.h (erro_at_line): Constify pos argument.
111
112         * gengtype.c: Include hashtab.h.
113         (enum gc_used): Document GC_MAYBE_POINTED_TO.
114         (error_at_line): Constify pos argument.
115         (do_typedef): Initialize p->opt field.
116         (get_file_gtfilename): Fix comment typo.
117         (struct walk_type_data): Constify line field.
118         (get_output_file_for_structure): New function.
119         (write_local_func_for_structure): Constify orig_s argument.
120         Use get_output_file_for_structure.
121         (write_func_for_structure): Use get_output_file_for_structure.
122         (INDENT): New define.
123         (dump_pair, dump_type, dump_type_list, dump_typekind)
124         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
125         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
126         functions.
127         (seen_types): New variable.
128         (main): New variable do_dump.  Process "-d" command line option.
129         Call dump_everything if dump requested.
130
131 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
132
133         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
134         in a temporary instead of invoking the macro multiple times.
135         (track_expr_p): Likewise.
136
137 2010-05-04  Neil Vachharajani <nvachhar@google.com>
138
139         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
140         per new semantics.
141         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
142         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
143         conditions for printing notes.
144         * common.opt (-Wcoverage-mismatch): Allow negative, default to
145         true, update documentation.
146         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
147
148 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
149
150         PR c/43981
151         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
152         on dimen.
153
154 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
155
156         PR target/43799
157         * config/i386/i386.md (sse_prologue_save): Add clobber CC
158         register.
159         (*sse_prologue_save_insn1): Likewise.
160         (SSE prologue save splitter): Likewise.
161
162 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
163
164         * tree.c (free_lang_data_in_one_sizepos): New inline function.
165         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
166         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
167         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
168         all decls.  Call it on DECL_FIELD_OFFSET of fields.
169         (find_decls_types_r): Follow DECL_VALUE_EXPR.
170         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
171
172 2010-05-04  Martin Jambor  <mjambor@suse.cz>
173
174         * tree-sra.c (build_access_from_expr_1): The first parameter type
175         changed to simple tree.
176         (build_access_from_expr): Likewise, gsi parameter was eliminated.
177         (scan_assign_result): Renamed to assignment_mod_result, enum elements
178         renamed as well.
179         (build_accesses_from_assign): Removed all parameters except for a
180         simple gimple statement.  Now returns a simple bool.
181         (scan_function): All non-analysis parts moved to separate functions
182         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
183         parameters and updated both callers.
184         (sra_modify_expr): Removed parameter data.
185         (sra_modify_function_body): New function.
186         (perform_intra_sra): Call sra_modify_function_body to modify the
187         function body.
188         (replace_removed_params_ssa_names): Parameter data changed into
189         adjustments vector.
190         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
191         changed the parameter dont_convert to convert with the opposite
192         meaning.
193         (sra_ipa_modify_assign): Parameter data changed into adjustments
194         vector, return value changed to bool.
195         (ipa_sra_modify_function_body): New function.
196         (sra_ipa_reset_debug_stmts): Updated a comment.
197         (modify_function): Use ipa_sra_modify_function_body to modify function
198         body.
199
200 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
201
202         PR middle-end/43671
203         * alias.c (true_dependence): Handle the same VALUE in x and mem.
204         (canon_true_dependence): Likewise.
205         (write_dependence_p): Likewise.
206
207 2010-05-04  Jan Hubicka  <jh@suse.cz>
208
209         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
210         * cgraphbuild.c: Include ipa-utils.h
211         (record_reference_ctx): New struct.
212         (record_reference): Simplify to work on initializers; not statements.
213         (mark_address, mark_load, mark_store): New.
214         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
215         walk PHI nodes too.
216         (record_references_in_initializer): Update use of record_reference.
217         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
218         walk PHI nodes too.
219
220 2010-05-04  Jan Hubicka  <jh@suse.cz>
221
222         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
223         node will be removed anyway.
224         (lto_varpool_replace_node): Allow also unanalyzed nodes;
225         relink aliases of node into prevailing node.
226         * varpool.c (varpool_remove_node): Remove aliases properly;
227         when removing node, remove all its aliases too; remove DECL_INITIAL
228         of removed node; ggc_free the varpool node.
229
230 2010-05-04  Richard Guenther  <rguenther@suse.de>
231
232         PR tree-optimization/43879
233         * tree-ssa-structalias.c (alias_get_name): Use
234         DECL_ASSEMBLER_NAME if available.
235         (create_function_info_for): Return the varinfo node.
236         (ipa_pta_execute): Associate same-body aliases and extra names
237         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
238
239 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
240
241         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
242         static.
243
244 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
245
246         PR bootstrap/43964
247         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
248         only if HONOR_REG_ALLOC_ORDER is not defined.
249
250 2010-05-04  Richard Guenther  <rguenther@suse.de>
251
252         PR tree-optimization/43949
253         * tree-vrp.c (extract_range_from_binary_expr): Only handle
254         TRUNC_MOD_EXPR.
255
256 2010-04-26  Jason Merrill  <jason@redhat.com>
257
258         * c.opt (-fstrict-enums): New.
259         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
260
261 2010-05-03  David Ung <davidu@mips.com>
262             James E. Wilson  <wilson@codesourcery.com>
263
264         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
265         emit the trap instruction before the divide for TUNE_74K.
266
267 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
268
269         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
270         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
271         based on the above, for new target hook.
272
273         * hooks.c (hook_bool_mode_true): New generic hook.
274         * hooks.h (hook_bool_mode_true): Add prototype.
275
276         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
277         target hook.
278         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
279         target hook, set to hook_bool_mode_false.
280         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
281         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
282         with targetm.small_register_classes_for_mode_p.
283         (find_reusable_reload): Likewise.
284         (combine_reloads): Likewise.
285         * reload1.c (reload_as_needed): Likewise.
286         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
287         * ifcvt.c (noce_process_if_block, check_cond_move_block,
288         dead_or_predicable): Likewise.
289         * regmove.c (optimize_reg_copy_1): Likewise.
290         * calls.c (prepare_call_address): Likewise.
291         (precompute_register_parameters): Likewise.
292
293         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
294         hook definition.
295         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
296         implementation of the hook that considers all register classes
297         small except for SH64.
298         (sh_override_options): Use the new hook.
299         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
300         Add prototype.
301
302         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
303         hook definition.
304         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
305         implementation of the hook that considers all register classes
306         small for THUMB1.
307         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
308         Add prototype.
309
310         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
311         hook definition.
312         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
313         implementation of the hook that considers all register classes
314         small for MIPS16.
315         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
316         Add prototype.
317
318         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
319         hook definition.
320         * config/m32c/m32c.h: Likewise.
321         * config/pdp11/pdp11.h: Likewise.
322         * config/avr/avr.h: Likewise.
323         * config/xtensa/xtensa.h: Likewise.
324         * config/m68hc11/m68hc11.h: Likewise.
325         * config/mn10300/mn10300.h: Likewise.
326         * config/mcore/mcore.h: Likewise.
327         * config/h8300/h8300.h: Likewise.
328         * config/bfin/bfin.h: Likewise.
329
330         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
331         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
332
333 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
334
335         * double-int.h (tree_to_double_int): Remove macro.
336         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
337         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
338         (tree_to_double_int): New function.
339         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
340         Move ...
341         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
342
343 2010-05-03  Richard Guenther  <rguenther@suse.de>
344
345         PR tree-optimization/43971
346         * tree-ssa-structalias.c (get_constraint_for_1): Fix
347         constraints in the !flag_delete_null_pointer_checks case.
348
349 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
350
351         PR debug/43972
352         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
353         result mode matches original rtl mode.
354
355 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
356
357         PR target/43888
358         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
359
360 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
361
362         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
363         when processing flag options.
364
365 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
366
367         * gcov-iov.c (main): Change format string placeholder
368         from %#08x to 0x%08x.
369         * genchecksum.c (dosum): Change format string placeholder
370         from %#02x to 0x%02x.
371
372 2010-05-02  Richard Guenther  <rguenther@suse.de>
373
374         PR tree-optimization/43879
375         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
376
377 2010-05-02  Bruno Haible  <bruno@clisp.org>
378
379         * doc/extend.texi (Function Attributes): Fix a typo.
380
381 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
382
383         Revert:
384         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
385         placeholder from 0x%x to %#x.
386         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
387         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
388         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
389         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
390         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
391         * config/i386/i386.c (ix86_target_string): Ditto.
392         * config/i386/i386.c (output_pic_addr_const): Ditto.
393         (print_operand): Ditto.
394
395 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
396
397         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
398         placeholder from 0x%x to %#x.
399         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
400         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
401         (ASM_OUTPUT_DEBUG_DATA): Ditto.
402         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
403         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
404         * optc-gen.awk: Ditto.
405         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
406         (HOST_WIDE_INT_PRINT_HEX): Ditto.
407         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
408         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
409
410 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
411
412         * target.h (struct calls): Add function_value_regno_p field.
413         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
414         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
415         * targhooks.c (default_function_value_regno_p): New function.
416         * targhooks.h (default_function_value_regno_p): Declare function.
417         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
418         * builtins.c. (apply_result_size): (Ditto.).
419         * combine.c. (likely_spilled_retval_p): (Ditto.).
420         * mode-switching.c. Include 'target.h'.
421         (create_pre_exit): Use function_value_regno_p hook.
422         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
423         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
424         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
425
426         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
427         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
428         (ix86_function_value_regno_p): Declare as static, change argument
429         type to const unsigned int.
430         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
431
432 2010-05-01  Richard Guenther  <rguenther@suse.de>
433
434         PR tree-optimization/43949
435         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
436         types.
437         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
438
439 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
440
441         * rtl.h (CONST_DOUBLE_P): Define.
442         (rtx_to_double_int): Declare.
443         * emit-rtl.c (rtx_to_double_int): New function.
444         * dwarf2out.c (insert_double): New function.
445         (loc_descriptor, add_const_value_attribute): Clean up, use
446         rtx_to_double_int and insert_double functions.
447
448 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
449
450         * doc/extend.texi (Inline): Add missing return keyword to examples.
451         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
452         "command-line".
453
454 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
455
456         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
457         the variable part of the offset as well.  Use highest_pow2_factor for
458         all alignment checks.
459
460 2010-04-30  Richard Guenther  <rguenther@suse.de>
461
462         PR tree-optimization/43879
463         * tree-ssa-structalias.c (type_could_have_pointers): Functions
464         can have pointers.
465
466 2010-04-30  Jan Hubicka  <jh@suse.cz>
467
468         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
469         varpool.
470         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
471
472 2010-04-30  Jan Hubicka  <jh@suse.cz>
473
474         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
475         New.
476         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
477         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
478         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
479         cgraph_node_set_needs_ltrans_p): Remove.
480
481 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
482
483         * sdbout.c: Include vec.h, do not include varray.h.
484         (deferred_global_decls, sdbout_global_decl,
485         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
486         * toplev.c: Do not include varray.h.
487         (dump_memory_report): Do not dump VARRAY statistics.
488         * gengtype.c (open_base_file): Ignore varray.h.
489         * Makefile.in: Update for abovementioned changes.
490         Remove all traces of varray.c and varray.h.
491         * varray.c: Remove file.
492         * varray.h: Remove file.
493
494 2010-04-30  Jan Hubicka  <jh@suse.cz>
495
496         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
497         references.
498
499 2010-04-30  Jan Hubicka  <jh@suse.cz>
500
501         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
502         needed.
503
504 2010-04-30  Richard Guenther  <rguenther@suse.de>
505
506         * tree-ssa-structalias.c (get_constraint_for_1): Generate
507         constraints for CONSTRUCTOR.
508
509 2010-04-30  Richard Guenther  <rguenther@suse.de>
510
511         PR lto/43946
512         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
513         first after all lowering passes.
514
515 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
516
517         * toplev.c: Include varray.h for statistics dumping.
518         * tree.h: Do not declare varray_head_tag.
519         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
520         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
521         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
522         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
523         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
524         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
525         c-common.c, c-common.h, reg-stack.c, basic-block.h,
526         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
527         include varray.h.
528         * Makefile.in: Update for abovementioned changes.
529
530 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
531
532         PR debug/43942
533         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
534
535 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
536
537         * config/picochip/picochip.c (picochip_legitimize_address): Define.
538         Use this function to do machine-specific conversion.
539         (picochip_legitimize_reload_address): Likewise.
540         (picochip_legitimate_address_p): Check valid base register only if
541         strict.
542         (picochip_check_conditional_copy): Check for modw only if opnd is
543         register.
544         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
545         to call the function in c.
546         * config/picochip/picochip-protos.h
547         (picochip_legitimize_reload_address): Define.
548         * config/picochip/picochip.md (supported_compare1): Define.
549
550 2010-04-30  Jan Hubicka  <jh@suse.cz>
551
552         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
553         (cgraph_global_info): Remove inlined.
554         (LTO_cgraph_tag_names): Remove.
555         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
556         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
557         simplify cgraph tags and document.
558         (lto_output_node): Use only LTO_cgraph_unavail_node and
559         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
560         for_functions_valid, global info, process and output flags.
561         (input_overwrite_node): Initialize estimated stack size and
562         estimated growth.  Do not read flags we no longer store.
563         (input_node): Likewise do not read info no longer stored.
564         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
565         flag.
566
567 2010-04-30  Richard Guenther  <rguenther@suse.de>
568
569         PR tree-optimization/43879
570         * tree-ssa-structalias.c (get_constraint_for_1): Properly
571         handle non-zero initializers.
572
573 2010-04-30  Richard Guenther  <rguenther@suse.de>
574
575         * builtins.c (fold_builtin_1): Delete free (0).
576
577 2010-04-29  Jan Hubicka  <jh@suse.cz>
578
579         * gengtype.c (open_base_files): Add lto-streamer.h
580         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
581         (pass_ipa_cp): GGC collect.
582         * toplev. (compile_file): Do not output symbols.
583         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
584         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
585         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
586         * lto-section-in.c: Include ggc.h
587         (lto_new_in_decl_state): Alloc in GGC.
588         (lto_delete_in_decl_state): Likewise.
589         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
590         Collect.
591
592 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
593
594         PR target/42895
595         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
596         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
597         (HONOR_REG_ALLOC_ORDER): Describe new macro.
598         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
599         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
600         account only if HONOR_REG_ALLOC_ORDER is not defined.
601         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
602         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
603
604 2010-04-29  Jon Grant  <04@jguk.org>
605
606         * collect2.c (vflag): Change type from int to bool.
607         (debug): Likewise.
608         (helpflag): New global bool.
609         (main): Set vflag and debug with boolean, not integer truth values.
610         Accept new "--help" option and output usage text if found.
611         * collect2.h (vflag): Update prototype.
612         (debug): Likewise.
613
614 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
615
616         PR bootstrap/43936
617         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
618
619 2010-04-29  Richard Guenther  <rguenther@suse.de>
620
621         PR bootstrap/43935
622         * plugin.h (invoke_plugin_callbacks): Annotate arguments
623         with ATTRIBUTE_UNUSED.
624
625 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
626
627         PR target/43921
628         * config/i386/i386.c (get_some_local_dynamic_name): Replace
629         INSN_P with NONDEBUG_INSN_P.
630         (distance_non_agu_define): Likewise.
631         (distance_agu_use): Likewise.
632
633 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
634
635         From Dominique d'Humieres <dominiq@lps.ens.fr>
636         PR bootstrap/43858
637         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
638         test_set.
639
640 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
641
642         * plugin.h (invoke_plugin_callbacks): New inline function.
643         * plugin.c (flag_plugin_added): New global flag.
644         (add_new_plugin): Initialize above flag.
645         (invoke_plugin_callbacks): Rename to ...
646         (invoke_plugin_callbacks_full): ... this.
647
648 2010-04-28  Jan Hubicka  <jh@suse.cz>
649
650         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
651         (lto_varpool_replace_node): New.
652         (lto_symtab_resolve_symbols): Resolve varpool nodes.
653         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
654         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
655         * cgraph.h (varpool_node_ptr): New type.
656         (varpool_node_ptr): New vector.
657         (varpool_node_set_def): New structure.
658         (varpool_node_set): New type.
659         (varpool_node_set): New vector.
660         (varpool_node_set_element_def): New structure.
661         (varpool_node_set_element, const_varpool_node_set_element): New types.
662         (varpool_node_set_iterator): New type.
663         (varpool_node): Add prev pointers, add used_from_other_partition,
664         in_other_partition.
665         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
666         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
667         varpool_get_node, varpool_remove_node): Declare.
668         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
669         varpool_node_set_size): New inlines.
670         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
671         * tree-pass.h (varpool_node_set_def): Forward declare.
672         (ipa_opt_pass_d): Summary writting takes vnode sets too.
673         (ipa_write_optimization_summaries): Update prototype.
674         * ipa-cp.c (ipcp_write_summary): Update.
675         * ipa-reference.c (ipa_reference_write_summary): Update.
676         * lto-cgraph.c (lto_output_varpool_node): New static function.
677         (output_varpool): New function.
678         (input_varpool_node): New static function.
679         (input_varpool_1): New function.
680         (input_cgraph): Input varpool.
681         * ipa-pure-const.c (pure_const_write_summary): Update.
682         * lto-streamer-out.c (lto_output): Update, output varpool too.
683         (write_global_stream): Kill WPA hack.
684         (produce_asm_for_decls): Update.
685         (output_alias_pair_p): Handle variables.
686         (output_unreferenced_globals): Output only needed partition of varpool.
687         * ipa-inline.c (inline_write_summary): Update.
688         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
689         cgraph.
690         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
691         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
692         varpool_node_set_new, varpool_node_set_add,
693         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
694         debug_varpool_node_set): New functions.
695         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
696         (execute_one_pass): Process new decls too.
697         (ipa_write_summaries_2): Pass around vsets.
698         (ipa_write_summaries_1): Likewise.
699         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
700         to add.
701         (ipa_write_optimization_summaries_1): Pass around vsets.
702         (ipa_write_optimization_summaries): Likewise.
703         * varpool.c (varpool_get_node): New.
704         (varpool_node): Update doubly linked lists.
705         (varpool_remove_node): New.
706         (dump_varpool_node): More dumping.
707         (varpool_enqueue_needed_node): Update doubly linked lists.
708         (decide_is_variable_needed): Kill ltrans hack.
709         (varpool_finalize_decl): Kill lto hack.
710         (varpool_assemble_decl): Skip decls in other partitions.
711         (varpool_assemble_pending_decls): Update doubly linkes lists.
712         (varpool_empty_needed_queue): Likewise.
713         (varpool_extra_name_alias): Likewise.
714         * lto-streamer.c (lto_get_section_name): Add vars section.
715         * lto-streamer.h (lto_section_type): Update.
716         (output_varpool, input_varpool): Declare.
717
718 2010-04-28  Mike Stump  <mikestump@comcast.net>
719
720         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
721
722 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
723
724         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
725         record or union type with RECORD_OR_UNION_TYPE_P predicate.
726         (lto_input_ts_type_tree_pointers): Likewise.
727         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
728         (lto_output_ts_type_tree_pointers): Likewise.
729
730 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
731
732         Uniquization of constants at the Tree level
733         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
734         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
735         bit to the end.
736         (tree_output_constant_def): Declare.
737         * gimplify.c (gimplify_init_constructor): When using block copy, first
738         uniquize the constant constructor on the RHS.
739         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
740         DECL_IN_CONSTANT_POOL flag.
741         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
742         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
743         constant pool.
744         (assemble_variable): Deal with symbols belonging to the tree constant
745         pool.
746         (get_constant_section): Add ALIGN parameter and simplify.
747         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
748         (assemble_constant_contents): Use the expression of the VAR_DECL.
749         (output_constant_def_contents): Use the alignment of the VAR_DECL.
750         (tree_output_constant_def): New global function.
751         (mark_constant): Use the expression of the VAR_DECL.
752         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
753         its expression.
754         (output_object_block): Likewise and assemble the expression.
755
756 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
757
758         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
759         hash_tree, eq_tree): New tree hash table.
760         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
761         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
762         lto_orig_address_remove): Reimplement.
763
764 2010-04-28  Xinliang David Li  <davidxl@google.com>
765
766         PR c/42643
767         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
768         (compute_uninit_opnds_pos): New function.
769         (is_non_loop_exit_postdominating): New function.
770         (compute_control_dep_chain): New function.
771         (find_pdom): New function.
772         (convert_control_dep_chain_into_preds): New function.
773         (find_predicates): New function.
774         (find_control_equiv_block): New function.
775         (collect_phi_def_edges): New function.
776         (find_def_preds): New function.
777         (find_dom): New function.
778         (dump_predicates): New function.
779         (get_cmp_code): New function.
780         (is_value_included_in): New function.
781         (find_matching_predicate_in_rest_chains): New function.
782         (use_pred_not_overlap_with_undef_path_pred): New function.
783         (is_use_properly_guarded): New function.
784         (normalize_cond_1): New function.
785         (is_and_or_or): New function.
786         (normalize_cond): New function.
787         (is_gcond_subset_of): New function.
788         (is_subset_of_any): New function.
789         (is_or_set_subset_of): New function.
790         (is_and_set_subset_of): New function.
791         (is_norm_cond_subset_of): New function.
792         (is_pred_expr_subset_of): New function.
793         (is_pred_chain_subset_of): New function.
794         (is_included_in): New function.
795         (is_superset_of): New function.
796         (find_uninit_use): New function.
797         (warn_uninitialized_phi): New function.
798         (compute_possibly_undefined_names): New function.
799         (ssa_undefined_value_p): New function.
800         (execute_late_warn_uninitialized): New function.
801         * tree-ssa.c (ssa_undefined_value_p): Removed.
802         (warn_uninit): Changed to extern.
803         (warn_uninitialized_phi): Removed.
804         (warn_uninitialized_vars): Changed to extern.
805         (execute_late_warn_uninitialized): Removed
806         * tree-flow.h: Add new prototypes.
807         * timevar.def: Add new time variable.
808         * Makefile.in: Add new build file.
809
810 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
811
812         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
813         type if available.
814
815 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
816
817         PR target/22224
818         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
819
820 2010-04-28  Martin Jambor  <mjambor@suse.cz>
821
822         * cgraph.h (struct cgraph_node): New field indirect_calls.
823         (struct cgraph_indirect_call_info): New type.
824         (struct cgraph_edge): Removed field indirect_call. New fields
825         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
826         (cgraph_create_indirect_edge): Declare.
827         (cgraph_make_edge_direct): Likewise.
828         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
829         * ipa-prop.h (struct ipa_param_call_note): Removed.
830         (struct ipa_node_params): Removed field param_calls.
831         (ipa_create_all_structures_for_iinln): Declare.
832         * cgraph.c: Described indirect edges and uids in initial comment.
833         (cgraph_add_edge_to_call_site_hash): New function.
834         (cgraph_edge): Search also among the indirect edges, use
835         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
836         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
837         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
838         site hash.
839         (initialize_inline_failed): Assign a reason to indirect edges.
840         (cgraph_create_edge_1): New function.
841         (cgraph_create_edge): Moved some functionality to
842         cgraph_create_edge_1.
843         (cgraph_create_indirect_edge): New function.
844         (cgraph_edge_remove_callee): Add an assert checking for
845         non-indirectness.
846         (cgraph_edge_remove_caller): Special-case indirect edges.
847         (cgraph_remove_edge): Likewise.
848         (cgraph_set_edge_callee): New function.
849         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
850         (cgraph_make_edge_direct): New function.
851         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
852         the declaration of the call statement matches.
853         (cgraph_node_remove_callees): Special-case indirect edges.
854         (cgraph_clone_edge): Likewise.
855         (cgraph_clone_node): Clone also the indirect edges.
856         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
857         indirect_call, dump count of indirect_calls edges.
858         * ipa-prop.c (iinlining_processed_edges): New variable.
859         (ipa_note_param_call): Create indirect edges instead of
860         creating notes.  New parameter node.
861         (ipa_analyze_call_uses): New parameter node, pass it on to
862         ipa_note_param_call.
863         (ipa_analyze_stmt_uses): Likewise.
864         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
865         (print_edge_addition_message): Work on edges rather than on notes.
866         (update_call_notes_after_inlining): Likewise, renamed to
867         update_indirect_edges_after_inlining.
868         (ipa_create_all_structures_for_iinln): New function.
869         (ipa_free_node_params_substructures): Do not free notes.
870         (ipa_edge_duplication_hook): Propagate bits within
871         iinlining_processed_edges bitmap.
872         (ipa_node_duplication_hook): Do not duplicate notes.
873         (free_all_ipa_structures_after_ipa_cp): Renamed to
874         ipa_free_all_structures_after_ipa_cp.
875         (free_all_ipa_structures_after_iinln): Renamed to
876         ipa_free_all_structures_after_iinln.g
877         (ipa_write_param_call_note): Removed.
878         (ipa_read_param_call_note): Removed.
879         (ipa_write_indirect_edge_info): New function.
880         (ipa_read_indirect_edge_info): Likewise.
881         (ipa_write_node_info): Do not stream notes, do stream information
882         in indirect edges.
883         (ipa_read_node_info): Likewise.
884         (lto_ipa_fixup_call_notes): Removed.
885         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
886         * ipa-inline.c (pass_ipa_inline): Likewise.
887         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
888         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
889         * tree-inline.c (copy_bb): Removed an unnecessary double check for
890         is_gimple_call.
891         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
892         edges.
893         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
894         (output_cgraph): Stream also indirect edges.
895         (lto_output_edge): Added capability to stream indirect edges.
896         (input_edge): Likewise.
897         (input_cgraph_1): Likewise.
898         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
899         of indirect edges.
900
901 2010-04-28  Richard Guenther  <rguenther@suse.de>
902
903         PR tree-optimization/43879
904         PR tree-optimization/43909
905         * tree-ssa-structalias.c (struct variable_info): Add
906         only_restrict_pointers flag.
907         (new_var_info): Initialize it.  Increment stats.total_vars here.
908         (create_function_info_for): Do not increment stats.total_vars
909         here.
910         (get_function_part_constraint): Fix build with C++.
911         (insert_into_field_list): Remove.
912         (push_fields_onto_fieldstack): Properly merge fields.
913         (create_variable_info_for): Split and simplify.
914         (create_variable_info_for_1): New piece.
915         (intra_create_variable_infos): Properly make restrict constraints
916         from parameters.
917
918 2010-04-28  Richard Guenther  <rguenther@suse.de>
919
920         PR c++/43880
921         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
922
923 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
924             Jan Hubicka <hubicka@ucw.cz>
925
926         * doc/invoke.texi (-Wsuggest-attribute=const,
927         -Wsuggest-attribute=pure): Document.
928         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
929         (function_always_visible_to_compiler_p,
930         suggest_attribute, warn_function_pure, warn_function_const):
931         New functions.
932         (check_call): Improve debug info.
933         (analyze_function): Do not check availability.
934         (add_new_function): Check availability.
935         (propagate): Output warnings.
936         (skip_function_for_local_pure_const): New function.
937         (local_pure_const): Use it; output warnings.
938         * common.opt (Wsuggest-attribute=const,
939         Wsuggest-attribute=pure): New.
940
941 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
942
943         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
944         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
945         or DW_CFA_def_cfa_offset{,_sf}.
946
947 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
948
949         * tree.h: Fix truncated long macros.
950
951 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
952
953         * collect2.c (TARGET_64BIT): Redefine to target's default.
954         * tlink.c: Likewise.
955         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
956         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
957         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
958         for underscoring __USER_LABEL_PREFIX__.
959         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
960         (SUB_LINK_ENTRY32): New.
961         (SUB_LINK_ENTRY64): New.
962         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
963         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
964         (SUB_LINK_ENTRY64): New.
965         (SUB_LINK_ENTRY): New.
966         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
967         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
968         x64 target is choosen.
969         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
970         * configure: Regenerated.
971         * configure.ac (leading-mingw64-underscores): Option added.
972
973 2010-04-27  Jan Hubicka  <jh@suse.cz>
974
975         * doc/invoke.texi (-fipa-profile): Document.
976         * opts.c (decode_options): Enable ipa-profile at -O1.
977         * timevar.def (TV_IPA_PROFILE): Define.
978         * common.opt (fipa-profile): Add.
979         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
980         flag for clones.
981         (cgraph_propagate_frequency): Handle only local ones.
982         * tree-pass.h (pass_ipa_profile): Declare.
983         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
984         (pass_ipa_profile): Use TV_IPA_PROFILE.
985         * ipa.c (ipa_profile): New function.
986         (gate_ipa_profile): Likewise.
987         (pass_ipa_profile): New global variable.
988         * passes.c (pass_ipa_profile): New.
989
990 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
991
992         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
993
994 2010-04-27  Martin Jambor  <mjambor@suse.cz>
995
996         PR middle-end/43812
997         * ipa.c (dissolve_same_comdat_group_list): New function.
998         (function_and_variable_visibility): Call
999         dissolve_same_comdat_group_list when comdat group contains external or
1000         newly local nodes.
1001         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1002         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1003
1004 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1005
1006         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1007         (const_hash_1) <VECTOR_CST>: New case.
1008         (compare_constant) <VECTOR_CST>: Likewise.
1009         <ADDR_EXPR>: Deal with LABEL_REFs.
1010         (copy_constant) <VECTOR_CST>: New case.
1011
1012 2010-04-27  Jan Hubicka  <jh@suse.cz>
1013
1014         * cgraph.c (cgraph_propagate_frequency): New function.
1015         * cgraph.h (cgraph_propagate_frequency): Declare.
1016         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1017         cgraph_propagate_frequency.
1018
1019 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1020
1021         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1022
1023 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1024
1025         PR target/40657
1026         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1027         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1028         here to determine which regs to push and how much stack to reserve.
1029
1030 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1031
1032         * doc/gimple.texi (gimple_statement_with_ops): Remove
1033         addresses_taken field.
1034         (gimple_statement_with_memory_ops): Likewise.
1035
1036 2010-04-27  Jan Hubicka  <jh@suse.cz>
1037
1038         * tree-inline.c (eni_inlining_weights): Remove.
1039         (estimate_num_insns): Special case more builtins.
1040
1041 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1042
1043         PR c/32207
1044         * c-typeck.c (build_binary_op): Move forward check for comparison
1045         pointer with null pointer constant and adjust the diagnostic message.
1046
1047 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1048
1049         PR lto/42776
1050         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1051         binutils supports extended .section directive needed by LTO, or
1052         warn if older binutils found.
1053         (LTO_BINARY_READER): New AC_SUBST'd variable.
1054         (LTO_USE_LIBELF): Likewise.
1055         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1056         variable.
1057         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1058         (LTO_USE_LIBELF): Likewise.
1059         * configure: Regenerate.
1060
1061         * collect2.c (is_elf): Rename from this ...
1062         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1063          object files in addition to ELF-formatted ones.
1064         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1065         symbol to be prefixed or not by an extra underscore.
1066
1067         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1068         * config/i386/winnt.c: Also #include lto-streamer.h
1069         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1070         LTO named sections.
1071         (i386_pe_asm_output_aligned_decl_common): Add comment.
1072         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1073
1074 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1075
1076         PR target/43889
1077         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1078         Add missing earlyclobber for second alternative.
1079
1080 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1081
1082         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1083         bits for artificial defs at the top of the block.
1084         * fwprop.c (single_def_use_enter_block): Don't call it.
1085
1086 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1087
1088         PR 43715
1089         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1090         instead of "$gcc_cv_objdump -T".
1091         Use "-undefined dynamic_lookup" on darwin.
1092         * gcc/configure: Regenerate.
1093
1094 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1095
1096         PR c/43893
1097         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1098
1099 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1100
1101         * c-parser.c (struct c_token): Move location field up.
1102         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1103         (struct c_declspecs): Convert typespec_word, storage_class, and
1104         default_int_p into bitfields.
1105         (struct c_declarator): Move loc field up.
1106
1107 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1108
1109         * cfgloop.h (struct loop): Move can_be_parallel field up.
1110         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1111         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1112         down.
1113         (struct iv_cand): Convert pos field into a bitfield.
1114         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1115         field up.
1116         (struct _stmt_vec_info): Shuffle fields for better packing.
1117
1118 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1119
1120         * varasm.c (IN_NAMED_SECTION): Remove guard.
1121         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1122         (IN_NAMED_SECTION_P): ...this.
1123         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1124         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1125
1126 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1127
1128         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1129         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1130         of shadowing it.  Fix comments.
1131
1132 2010-04-26  Jan Hubicka  <jh@suse.cz>
1133
1134         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1135         (cgraph_clone_node): Copy function frequency.
1136         * cgraph.h (node_frequency): New enum
1137         (struct cgraph_node): Add.
1138         * final.c (rest_of_clean_state): Update.
1139         * lto-cgraph.c (lto_output_node): Output node frequency.
1140         (input_overwrite_node): Input node frequency.
1141         * tre-ssa-loop-ivopts (computation_cost): Update.
1142         * lto-streamer-out.c (output_function): Do not output function
1143         frequency.
1144         * predict.c (maybe_hot_frequency_p): Update and handle functions
1145         executed once.
1146         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1147         attribute lookup.
1148         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1149         (compute_function_frequency): Set noreturn functions to be executed
1150         once.
1151         (choose_function_section): Update.
1152         * lto-streamer-in.c (input_function): Do not input function frequency.
1153         * function.c (allocate_struct_function): Do not initialize function
1154         frequency.
1155         * function.h (function_frequency): Remove.
1156         (struct function): Remove function frequency.
1157         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1158         (try_update): Update.
1159         * tree-inline.c (initialize_cfun): Do not update function frequency.
1160         * passes.c (pass_init_dump_file): Update.
1161         * i386.c (ix86_compute_frame_layout): Update.
1162         (ix86_pad_returns): Update.
1163
1164 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1165
1166         PR tree-optimization/43833
1167         * tree-vrp.c (range_int_cst_p): New.
1168         (range_int_cst_singleton_p): New.
1169         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1170         when both operands are constants.  Use range_int_cst_p in
1171         BIT_IOR_EXPR case.
1172
1173 2010-04-26  Jan Hubicka  <jh@suse.cz>
1174
1175         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1176
1177 2010-04-26  Richard Guenther  <rguenther@suse.de>
1178
1179         PR lto/43080
1180         * gimple.c (gimple_decl_printable_name): Deal gracefully
1181         with a NULL DECL_NAME.
1182
1183 2010-04-26  Richard Guenther  <rguenther@suse.de>
1184
1185         PR lto/42425
1186         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1187         if emitting debug information and it is either a function
1188         or a namespace decl.
1189
1190 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1191
1192         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1193         determine if the statement is vectorizable, and a macro to access it.
1194         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1195         Skip statements that can't be vectorized. If the analysis fails,
1196         mark the statement as unvectorizable if vectorizing basic block.
1197         (vect_compute_data_refs_alignment): Likewise.
1198         (vect_verify_datarefs_alignment): Skip statements marked as
1199         unvectorizable. Add print.
1200         (vect_analyze_group_access): Skip statements that can't be
1201         vectorized. If the analysis fails, mark the statement as
1202         unvectorizable if vectorizing basic block.
1203         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1204         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1205         generated stmts for SLP.
1206         (new_stmt_vec_info): Initialize the new field.
1207         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1208         statements marked as unvectorizable.
1209
1210 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1211
1212         * c-common.c (flag_isoc1x): New.
1213         (flag_isoc99): Update comment.
1214         * c-common.h (flag_isoc1x): New.
1215         (flag_isoc99): Update comment.
1216         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1217         __<type>_DECIMAL_DIG__.
1218         * c-opts.c (set_std_c1x): New.
1219         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1220         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1221         * c.opt (-std=c1x, -std=gnu1x): New options.
1222         * doc/cpp.texi: Mention -std=c1x.
1223         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1224         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1225         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1226         * doc/standards.texi: Mention C1X.
1227         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1228         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1229         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1230         Define for C1X.
1231
1232 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1233
1234         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1235         placeholder from 0x%x to %#x.
1236         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1237         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1238         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1239         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1240         * config/i386/i386.c (ix86_target_string): Ditto.
1241         (output_pic_addr_const): Ditto.
1242         (print_operand): Ditto.
1243
1244 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1245
1246         * combine.c (find_split_point): Add third argument.  Use it
1247         to find nested multiply-accumulate instructions.  Adjust calls.
1248         (try_combine): Adjust call to find_split_point.
1249
1250 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1251
1252         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1253
1254 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1255
1256         PR tree-optimization/41442
1257         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1258         (fold_binary_loc): Call it.
1259
1260 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1261
1262         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1263         * opts.c (common_handle_option): Allow disabling it.
1264         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1265
1266 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1267
1268         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1269         between modes if both types are integral.
1270
1271 2010-04-23  Richard Guenther  <rguenther@suse.de>
1272
1273         PR tree-optimization/43572
1274         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1275
1276 2010-04-23  Richard Guenther  <rguenther@suse.de>
1277
1278         PR lto/43455
1279         * tree-inline.c (tree_can_inline_p): Also check compatibility
1280         of return types.
1281
1282 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1283
1284         PR tree-optimization/43846
1285         * tree-sra.c (struct access): New flag grp_assignment_read.
1286         (build_accesses_from_assign): Set grp_assignment_read.
1287         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1288         (enum mark_read_status): New type.
1289         (analyze_access_subtree): Propagate grp_assignment_read, create
1290         accesses also if both direct_read and root->grp_assignment_read.
1291
1292 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1293
1294         PR middle-end/43835
1295         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1296         function does not have type attributes.
1297
1298 2010-04-23  Richard Guenther  <rguenther@suse.de>
1299
1300         PR lto/42653
1301         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1302         of FUNCTION_DECLs.
1303
1304 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1305
1306         * sese.h (create_if_region_on_edge): Remove.
1307
1308         * sese.c (create_if_region_on_edge): Make static.
1309
1310         * tree-inline.c: Do not include ggc.h.
1311
1312         * expr.c: Do not include ggc.h.
1313
1314         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1315         dependencies.
1316
1317 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1318
1319         PR target/43744
1320         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1321         in the middle of insns for casesi_worker_2.
1322
1323 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1324
1325         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1326
1327 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1328
1329         PR tree-optimization/43842
1330         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1331         loop unrolling in update of exit phis. Fix comment.
1332         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1333         least two reduction statements in the loop before starting SLP
1334         analysis.
1335
1336 2010-04-22  Nick Clifton  <nickc@redhat.com>
1337
1338         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1339
1340 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1341
1342         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1343         to simplify a + ~a.
1344
1345 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1346
1347         * tree-parloops.c (loop_parallel_p): New argument
1348         parloop_obstack.  Pass it down.
1349         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1350         pass it down, free it.
1351
1352         * tree-loop-linear.c (linear_transform_loops): Pass down
1353         lambda_obstack.
1354
1355         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1356         of type struct obstack *.
1357
1358         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1359         scratch_obstack.  Initialize it, pass down, free it.
1360
1361         * lambda.h (lambda_loop_new): Remove.
1362         (lambda_matrix_new, lambda_matrix_inverse)
1363         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1364         argument of type struct obstack *.
1365
1366         * lambda-trans.c (lambda_trans_matrix_new): New argument
1367         lambda_obstack.  Pass it down, use obstack allocation for ret.
1368         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1369         it down.
1370
1371         * lambda-mat.c (lambda_matrix_get_column)
1372         (lambda_matrix_project_to_null): Remove.
1373         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1374         allocation for mat.
1375         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1376         lambda_obstack.
1377
1378         * lambda-code.c (lambda_loop_new): New function.
1379         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1380         (lambda_compute_auxillary_space, lambda_compute_target_space)
1381         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1382         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1383         (build_access_matrix): New argument lambda_obstack.  Use obstack
1384         allocation for am.
1385         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1386         argument lambda_obstack.  Pass it down.
1387
1388 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1389
1390         * optabs.h (expand_widening_mult): Declare.
1391
1392 2010-04-22  Richard Guenther  <rguenther@suse.de>
1393
1394         PR tree-optimization/43845
1395         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1396         lookup the CALL_EXPR function and arguments.
1397
1398 2010-04-22  Nick Clifton  <nickc@redhat.com>
1399
1400         * config/stormy16/stormy16.c
1401         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1402         * config/stormy16/stormy16.h: Tidy up formatting.
1403         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1404         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1405         (ineqbranchsi): Delete pattern.
1406         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1407         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1408         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1409         stormy16-lib2-ucmpsi2.c.
1410
1411 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1412
1413         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1414         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1415         extra set merge_set_noclobber, and use it to relax the final test
1416         slightly.
1417         * df.h (df_simulate_find_noclobber_defs): Declare.
1418         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1419         conditional defs.
1420         (df_simulate_find_noclobber_defs): New function.
1421
1422 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1423
1424         * config/i386/i386.md: Use {} around multi-line preparation statements.
1425
1426 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1427
1428         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1429         (process_init_element): New argument of type struct obstack *.
1430
1431         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1432         (set_init_index, set_init_label, set_nonincremental_init)
1433         (set_nonincremental_init_from_string, find_init_member)
1434         (output_init_element, output_pending_init_elements)
1435         (process_init_element): New argument braced_init_obstack.  Pass it
1436         down.
1437         (push_range_stack, add_pending_init): New argument
1438         braced_init_obstack.  Use obstack allocation.
1439
1440         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1441         braced_init_obstack.  Pass it down.
1442         (c_parser_braced_init): New variables ret, braced_init_obstack.
1443         Initialize obstack, pass it down and finally free it.
1444
1445 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1446
1447         PR middle-end/29274
1448         * tree-pass.h (pass_optimize_widening_mul): Declare.
1449         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1450         gate_optimize_widening_mul): New static functions.
1451         (pass_optimize_widening_mul): New.
1452         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1453         <case MULT_EXPR>: Remove support for widening multiplies.
1454         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1455         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1456         simplify_gen_unary rather than directly building extensions.
1457         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1458         WIDEN_MULT_EXPR.
1459         * expmed.c (expand_widening_mult): New function.
1460         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1461
1462 2010-04-21  Jan Hubicka  <jh@suse.cz>
1463
1464         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1465         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1466         * lto-wpa-fixup.c: Remove.
1467         * Makefile.in (lto-wpa-fixup.o): Remove.
1468         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1469         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1470         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1471
1472 2010-04-21  Jan Hubicka  <jh@suse.cz>
1473
1474         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1475         add write_optimization_summary, read_optimization_summary.
1476         (ipa_write_summaries_of_cgraph_node_set): Remove.
1477         (ipa_write_optimization_summaries): Declare.
1478         (ipa_read_optimization_summaries): Declare.
1479         * ipa-cp.c (pass_ipa_cp): Update.
1480         * ipa-reference.c (pass_ipa_reference): Update.
1481         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1482         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1483         Update.
1484         * ipa-inline.c (pass_ipa_inline): Update.
1485         * ipa.c (pass_ipa_whole_program): Update.
1486         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1487         * passes.c (ipa_write_summaries_1): Do not test wpa.
1488         (ipa_write_optimization_summaries_1): New.
1489         (ipa_write_optimization_summaries): New.
1490         (ipa_read_summaries): Do not test ltrans.
1491         (ipa_read_optimization_summaries_1): New.
1492         (ipa_read_optimization_summaries): New.
1493
1494 2010-04-21  Jan Hubicka  <jh@suse.cz>
1495
1496         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1497         for boundary nodes.
1498         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1499
1500 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1501
1502         PR debug/40040
1503         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1504         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1505
1506 2010-04-21  Jan Hubicka  <jh@suse.cz>
1507
1508         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1509
1510 2010-04-21  Jan Hubicka  <jh@suse.cz>
1511
1512         * varpool.c (decide_is_variable_needed): Variable is always needed
1513         during ltrans.
1514
1515 2010-04-21  Jan Hubicka  <jh@suse.cz>
1516
1517         * opts.c (decode_options): Enable pure-const pass for whopr.
1518
1519 2010-04-21  Jan Hubicka  <jh@suse.cz>
1520
1521         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1522         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1523         at WPA dumping.
1524         (cgraph_decide_inlining): Do not expect callee to be removed in all
1525         cases.
1526
1527 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1528
1529         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1530
1531 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1532
1533         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1534         amdfam10_decode attributes.
1535
1536 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1537
1538         PR middle-end/43570
1539         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1540         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1541         (lower_copyprivate_clauses): Use private var in outer
1542         context instead of original var.  Make sure the types
1543         are correct for VLAs.
1544
1545 2010-04-21  Richard Guenther  <rguenther@suse.de>
1546
1547         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1548         to non-pointer objects.
1549
1550 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1551
1552         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1553         last chain entry if it starts with the still current label.
1554         (add_location_or_const_value_attribute): Check that
1555         loc_list->first->next is NULL instead of comparing ->first with ->last.
1556         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1557         to add_var_loc_to_decl.
1558
1559         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1560         >= 4 add also address size and segment size fields into CIE header.
1561
1562         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1563         long as address size is the same as sizeof (void *) and
1564         segment size is 0.
1565         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1566         address size or segment size is unexpected, return DW_EH_PE_omit.
1567         (classify_object_over_fdes): If get_cie_encoding returned
1568         DW_EH_PE_omit, return -1.
1569         (init_object): If classify_object_over_fdes returned -1,
1570         pretend there were no FDEs at all.
1571
1572 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1573
1574         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1575         bswap{si,di}2 using SWI48 mode iterator.
1576         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1577         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1578         set modrm attribute of bswap insn to 0 and remove length attribute.
1579         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1580         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1581         set mode attribute to <MODE> and remove length attribute.
1582
1583 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1584
1585         PR rtl-optimization/43520
1586         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1587         zero available registers.
1588
1589 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1590
1591         * builtins.c (fold_builtin_cproj): Fold more cases.
1592
1593 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1594
1595         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1596         (fold_builtin_1): Fold builtin cproj.
1597         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1598         Use ATTR_CONST_NOTHROW_LIST.
1599
1600 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1601
1602         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1603         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1604         ffsi2_no_cmove for !TARGET_CMOVE.
1605         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1606         (ffssi2): Remove expander.
1607         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1608         mode iterator.
1609         (ctz<mode>2): Ditto from ctz{si,di}2.
1610         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1611         mode iterator.
1612         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1613         mode iterator.
1614
1615 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1616
1617         * dwarf2out.c (AT_linkage_name): Define.
1618         (clone_as_declaration): Handle DW_AT_linkage_name.
1619         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1620         of DW_AT_MIPS_linkage_name.
1621         (move_linkage_attr): Likewise.
1622         (dwarf2out_finish): Likewise.
1623
1624 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1625
1626         PR middle-end/41952
1627         * fold-const.c (fold_comparison): New folding rule.
1628
1629 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1630
1631         * double-int.h (double_int_setbit): Declare.
1632         * double-int.c (double_int_setbit): New function.
1633         * rtl.h (immed_double_int_const): Declare.
1634         * emit-rtl.c (immed_double_int_const): New function.
1635         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1636         and immed_double_int_const functions.
1637         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1638         expand_copysign_bit):  (Ditto.).
1639         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1640         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1641         * dojump.c (prefer_and_bit_test): (Ditto.).
1642         * expr.c (convert_modes, reduce_to_bit_field_precision,
1643         const_vector_from_tree): (Ditto.).
1644         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1645
1646 2010-04-20  Jan Hubicka  <jh@suse.cz>
1647
1648         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1649         (dump_cgraph_node): Dump new flags.
1650         * cgraph.h (struct cgraph_node): Add flags
1651         reachable_from_other_partition and in_other_partition.
1652         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1653         other partition can not be removed.
1654         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1655         the other partition must be output; silence sanity checking on
1656         leaking functions bodies from other paritition.
1657         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1658         (lto_output_node): Output new flags; do not sanity check that inline
1659         clones are output; drop lto_forced_extern_inline_p code; do not mock
1660         visibility flags at partition boundaries.
1661         (add_node_to): New function.
1662         (output_cgraph): Use it to sort functions so masters appear before
1663         clones.
1664         (input_overwrite_node): Input new flags.
1665         * passes.c (ipa_write_summaries): Do not call
1666         lto_new_extern_inline_states.
1667         * lto-section-out.c (forced_extern_inline,
1668         lto_new_extern_inline_states lto_delete_extern_inline_states,
1669         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1670         * lto-streamer.h (lto_new_extern_inline_states,
1671         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1672         lto_forced_extern_inline_p): Kill.
1673
1674 2010-04-20  Richard Guenther  <rguenther@suse.de>
1675
1676         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1677         from vars that can have pointers.
1678         (process_constraint): Dump useless constraints.
1679
1680 2010-04-20  Richard Guenther  <rguenther@suse.de>
1681
1682         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1683         (dump_sa_points_to_info): Remove asserts.
1684         (init_base_vars): nothing_id isn't an escape point nor does it
1685         have pointers.
1686
1687 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1688
1689         * tree.h (TYPE_REF_IS_RVALUE): Define.
1690         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1691         should_move_die_to_comdat, prune_unused_types_walk): Handle
1692         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1693         (modified_type_die, gen_reference_type_die): Emit
1694         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1695         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1696
1697 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1698
1699         PR target/43635
1700         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1701         calls for -fpic -m31 if they have been sibcall optimized.
1702
1703 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1704
1705         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1706         ar.lc fixed and call-used.
1707
1708         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1709
1710 2010-04-19  Jan Hubicka  <jh@suse.cz>
1711
1712         * opts.c (decode_options): Disable whpr incompatible passes.
1713         * lto/lto.c (lto_1_to_1_map): Skip clones.
1714         (read_cgraph_and_symbols): Do not mark everything as needed.
1715         (do_whole_program_analysis): Do map only after optimizing;
1716         set proper cgraph_state; use passmanager.
1717
1718 2010-04-19  DJ Delorie  <dj@redhat.com>
1719
1720         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1721         POINTER_PLUS_EXPR and fix them.
1722
1723 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1724
1725         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1726         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1727         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1728         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1729         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1730         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1731         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1732         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1733         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1734         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1735         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1736
1737 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1738
1739         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1740         (check_cond_move_block): Likewise.
1741         (cond_move_process_if_block): Likewise.
1742         (noce_find_if_block): Improve formatting.
1743         (find_if_header): Pass 0 to memset and tweak conditions.
1744         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1745
1746 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1747
1748         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1749         for -gdwarf-4.
1750
1751         PR middle-end/43337
1752         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1753         with non-local decl doesn't need chain.
1754
1755 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1756
1757         * ira-color.c (allocno_reload_assign): Avoid accumulating
1758         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1759
1760 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1761
1762         * gimple.h (create_tmp_reg): Declare.
1763         * gimplify.c (create_tmp_reg): New function.
1764         (gimplify_return_expr): Use create_tmp_reg.
1765         (gimplify_omp_atomic): Likewise.
1766         (gimple_regimplify_operands): Likewise.
1767         * tree-dfa.c (make_rename_temp): Likewise.
1768         * tree-predcom.c (predcom_tmp_var): Likewise.
1769         (reassociate_to_the_same_stmt): Likewise.
1770         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1771         (get_replaced_param_substitute): Likewise.
1772         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1773         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1774         * tree-ssa-pre.c (get_representative_for): Likewise.
1775         (create_expression_by_pieces): Likewise.
1776         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1777         (create_tailcall_accumulator): Likewise.
1778
1779 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1780
1781         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1782         new_stmt.
1783         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1784
1785 2010-04-19  Richard Guenther  <rguenther@suse.de>
1786
1787         PR tree-optimization/43796
1788         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1789         from SCEV in the lattice.
1790         (vrp_visit_phi_node): Dump change.
1791
1792 2010-04-19  Richard Guenther  <rguenther@suse.de>
1793
1794         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1795         * configure: Re-generated.
1796
1797 2010-04-19  Richard Guenther  <rguenther@suse.de>
1798
1799         PR tree-optimization/43783
1800         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1801         constant ARRAY_REF operands two and three if possible.
1802
1803 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1804
1805         PR target/43766
1806         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1807
1808 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1809
1810         PR target/43662
1811         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1812
1813 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1814
1815         PR tree-optimization/37027
1816         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1817         and macro to access it.
1818         (vectorizable_reduction): Add argument.
1819         (vect_get_slp_defs): Likewise.
1820         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1821         statements for possible use in SLP.
1822         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1823         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1824         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1825         add new argument.
1826         (vectorizable_reduction): Likewise.
1827         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1828         vect_get_slp_defs.
1829         (vectorizable_type_demotion, vectorizable_type_promotion,
1830         vectorizable_store): Likewise.
1831         (vect_analyze_stmt): Update call to vectorizable_reduction.
1832         (vect_transform_stmt): Likewise.
1833         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1834         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1835         from different interleaving chains in same node.
1836         (vect_slp_rearrange_stmts): New function.
1837         (vect_supported_load_permutation_p): Allow load permutations for
1838         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1839         inside SLP nodes if necessary.
1840         (vect_analyze_slp_instance): Handle reductions.
1841         (vect_analyze_slp): Try to build SLP instances originating from groups
1842         of reductions.
1843         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1844         (vect_get_constant_vectors): Create initial vectors for reductions
1845         according to reduction code. Add new argument.
1846         (vect_get_slp_defs): Add new argument, pass it to
1847         vect_get_constant_vectors.
1848         (vect_schedule_slp_instance): Remove SLP tree root statements.
1849
1850 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1851
1852         * tree.h (ENUM_IS_SCOPED): Define.
1853         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1854         for ENUM_IS_SCOPED enums.
1855
1856 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1857
1858         * fold-const.c (fold_comparison): Use ssizetype.
1859         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1860         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1861         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1862         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1863
1864         * tree.h (initialize_sizetypes): Remove parameter.
1865         (build_common_tree_nodes): Remove second parameter.
1866         * stor-layout.c (initialize_sizetypes): Remove parameter.
1867         Always create an unsigned type.
1868         (set_sizetype): Assert that the passed type is unsigned and simplify.
1869         * tree.c (build_common_tree_nodes): Remove second parameter.
1870         Adjust call to initialize_sizetypes.
1871         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1872         build_common_tree_nodes.
1873
1874 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1875
1876         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1877
1878 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1879
1880         PR tree-optimization/43771
1881         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1882         load permutation doesn't have gaps.
1883
1884 2010-04-18  Jan Hubicka  <jh@suse.cz>
1885
1886         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1887         (sse_prologue_save_insn expander): Use new pattern.
1888         (sse_prologue_save_insn1): New pattern and splitter.
1889         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1890         blocks.
1891         * i386.c (setup_incoming_varargs_64): Do not compute jump
1892         destination here.
1893         (ix86_gimplify_va_arg): Update alignment needed.
1894         (ix86_local_alignment): Do not align all local arrays to 128bit.
1895
1896 2010-04-17  Jan Hubicka  <jh@suse.cz>
1897
1898         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1899
1900 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1901
1902         * arm.md (negdi2): Remove redundant code to force values into a
1903         register.
1904
1905 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1906
1907         * arm/bpabi.S: Add EABI alignment attributes to objects.
1908         * arm/bpabi-v6m.S: Likewise.
1909         * arm/crti.asm: Likewise.
1910         * arm/crtn.asm: Likewise.
1911         * arm/lib1funcs.asm: Likewise.
1912         * arm/libunwind.S: Likewise.
1913
1914 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1915
1916         * arm-protos.h (tune_params): New structure.
1917         * arm.c (current_tune): New variable.
1918         (arm_constant_limit): Delete.
1919         (struct processors): Add pointer to the tune parameters.
1920         (arm_slowmul_tune): New tuning option.
1921         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1922         (all_cores): Adjust to pick up the tuning model.
1923         (arm_constant_limit): New function.
1924         (arm_override_options): Select the appropriate tuning model.  Delete
1925         initialization of arm_const_limit.
1926         (arm_split_constant): Use the new constant-limit model.
1927         (arm_rtx_costs): Pick up the current tuning model.
1928         * arm.md (is_strongarm, is_xscale): Delete.
1929         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1930         for Xscale variant architectures.
1931         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1932
1933 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1934
1935         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1936         can_shift.
1937         (arm_rtx_costs_1): Remove unused variable extra_cost.
1938         (arm_unwind_emit_set): Use variable offset.
1939         (thumb1_output_casesi): Remove unused variable flags.
1940
1941 2010-04-16  Jeff Law  <law@redhat.com>
1942
1943         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1944         needing assignment rather than doing a two-phase assignment.  Remove
1945         unused variable 'm'.
1946
1947 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1948
1949         PR bootstrap/43767
1950         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1951
1952 2010-04-16  Doug Kwan  <dougkwan@google.com>
1953
1954         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1955         (next_operand_entry_id): New static variable.
1956         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1957         (add_to_ops_vec): Assigned unique ID to operand entry.
1958         (struct oecount_s): New field ID.
1959         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1960         (undistribute_ops_list): Assign unique IDs to oecounts.
1961         (init_reassoc): reset next_operand_entry_id.
1962
1963 2010-04-16  Doug Kwan  <dougkwan@google.com>
1964
1965         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1966         missing left parenthesis.
1967
1968 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1969
1970         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1971         *btdi_rex64 using SWI48 mode iterator.
1972         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1973         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1974         *jcc_btdi_mask_rex64.
1975
1976 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1977
1978         * double-int.h (tree_to_double_int): Convert to macro.
1979         * double-int.c (tree_to_double_int): Remove.
1980
1981 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1982
1983         PR debug/43762
1984         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1985         with want_address 2 and in case a single element list might be
1986         possible, call it again with want_address 0.
1987
1988 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1989
1990         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1991         case 'W' print operands for HI mode.
1992         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1993         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1994         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1995         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1996
1997         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1998
1999         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2000         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2001         #xx:3 and #xx:4 mode.
2002
2003         * config/h8300/h8300.md (inverted load with HImode dest): Add
2004         support for H8300SX.
2005
2006         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2007         satisfy 'U' constraint.
2008
2009 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2010
2011         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2012         * configure: Regenerate.
2013         * config.in: Regenerate.
2014         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2015         works.
2016
2017 2010-04-16  Richard Guenther  <rguenther@suse.de>
2018
2019         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2020         (struct tree_decl_common): ... here.
2021         (DECL_PT_UID): Adjust.
2022         (SET_DECL_PT_UID): Likewise.
2023         (DECL_PT_UID_SET_P): Likewise.
2024
2025 2010-04-16  Richard Guenther  <rguenther@suse.de>
2026
2027         PR tree-optimization/43572
2028         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2029         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2030         * tree-flow.h (is_call_clobbered): Remove.
2031         * tree-flow-inline.h (is_call_clobbered): Likewise.
2032         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2033         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2034         (execute_return_slot_opt): Adjust.
2035         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2036         check for call clobbered vars here.
2037         (find_tail_calls): Move tailcall verification to the
2038         proper place.
2039
2040 2010-04-16  Diego Novillo  <dnovillo@google.com>
2041
2042         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2043
2044 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2045
2046         PR target/40603
2047         * config/arm/arm.md (cbranchqi4): New pattern.
2048         * config/arm/predicates.md (const0_operand,
2049         cbranchqi4_comparison_operator): New predicates.
2050
2051 2010-04-16  Richard Guenther  <rguenther@suse.de>
2052
2053         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2054         (dump_gimple_stmt): Likewise.
2055
2056 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2057
2058         * recog.h (struct recog_data): New field is_operator.
2059         (struct insn_operand_data): New field is_operator.
2060         * recog.c (extract_insn): Set recog_data.is_operator.
2061         * genoutput.c (output_operand_data): Emit code to set the
2062         is_operator field.
2063         * reload.c (find_reloads): Use it rather than testing for an
2064         empty constraint string.
2065
2066         PR target/41514
2067         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2068         If the previous insn is a cbranchsi4_insn with the same arguments,
2069         omit the compare instruction.
2070
2071         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2072         register, inputs must be low registers and we need a low register
2073         scratch.  Handle alternative 2 like alternative 3.
2074
2075 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2076
2077         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2078         don't call get_addr on both.  If one expression is a VALUE and
2079         the other a REG, check VALUE's locs if the REG isn't among them.
2080
2081 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2082
2083         * config/sh/sh.h (sh_frame_pointer_required): New function.
2084         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2085         (flag_omit_frame_pointer) Set.
2086         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2087         (rounded_frame_size): Adjust size with outgoing_args_size.
2088         (sh_set_return_address): Must return from stack pointer.
2089         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2090         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2091         (ACCUMULATE_OUTGOING_ARGS): Define.
2092         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2093         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2094
2095 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2096
2097         PR target/43471
2098         * config/sh/sh.c (sh_legitimize_reload_address): Use
2099         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2100         Remove a unneeded check for offset_base.
2101
2102 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2103
2104         * configure: Regenerated.
2105
2106 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2107
2108         * config/s390/s390.c (s390_call_save_register_used): Switch back
2109         to HARD_REGNO_NREGS.
2110
2111 2010-04-15  Richard Guenther  <rguenther@suse.de>
2112
2113         * alias.c (alias_set_subset_of): Handle alias-set zero
2114         child properly.
2115
2116 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2117             Julian Brown  <julian@codesourcery.com>
2118
2119         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2120         alternatives according to use of high and low regs.
2121         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2122         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2123         optimizing for size on Thumb-2.
2124
2125 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2126
2127         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2128
2129 2010-04-15  Richard Guenther  <rguenther@suse.de>
2130
2131         * tree-ssa-structalias.c (struct variable_info): Add
2132         is_fn_info flag.
2133         (new_var_info): Initialize it.
2134         (dump_constraints): Support printing last added constraints.
2135         (debug_constraints): Adjust.
2136         (dump_constraint_graph): Likewise.
2137         (make_heapvar_for): Check for NULL cfun.
2138         (get_function_part_constraint): New function.
2139         (get_fi_for_callee): Likewise.
2140         (find_func_aliases): Properly implement IPA PTA constraints.
2141         (process_ipa_clobber): New function.
2142         (find_func_clobbers): Likewise.
2143         (insert_into_field_list_sorted): Remove.
2144         (create_function_info_for): Properly allocate vars for IPA mode.
2145         Do not use insert_into_field_list_sorted.
2146         (create_variable_info_for): Properly generate constraints for
2147         global vars in IPA mode.
2148         (dump_solution_for_var): Always dump the solution.
2149         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2150         (find_what_var_points_to): Adjust.
2151         (pt_solution_set): Change.
2152         (pt_solution_ior_into): New function.
2153         (pt_solution_empty_p): Export.
2154         (pt_solution_includes_global): Adjust.
2155         (pt_solution_includes_1): Likewise.
2156         (pt_solutions_intersect_1): Likewise.
2157         (dump_sa_points_to_info): Check some invariants.
2158         (solve_constraints): Move constraint dumping ...
2159         (compute_points_to_sets): ... here.
2160         (ipa_pta_execute): ... and here.
2161         (compute_may_aliases): Do not re-compute points-to info
2162         locally if IPA info is available.
2163         (ipa_escaped_pt): New global var.
2164         (ipa_pta_execute): Properly implement IPA PTA.
2165         * tree-into-ssa.c (dump_decl_set): Support dumping
2166         decls not in referenced-vars.
2167         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2168         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2169         (dump_points_to_solution): Likewise.
2170         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2171         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2172         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2173         (copy_decl_to_var): Copy DECL_PT_UID.
2174         (copy_result_decl_to_var): Likewise.
2175         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2176         (copy_node_stat): Copy it.
2177         * tree.h (DECL_PT_UID): New macro.
2178         (SET_DECL_PT_UID): Likewise.
2179         (DECL_PT_UID_SET_P): Likewise.
2180         (struct tree_decl_minimal): Add pt_uid member.
2181         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2182         (pt_solution_empty_p): Declare.
2183         (pt_solution_set): Adjust.
2184         (ipa_escaped_pt): Declare.
2185         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2186         * gimple-pretty-print.c (pp_points_to_solution): New function.
2187         (dump_gimple_call): Dump call clobber/use information.
2188         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2189         * tree-pass.h (TDF_ALIAS): New dump option.
2190         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2191         * doc/invoke.texi (-fipa-pta): Update documentation.
2192
2193 2010-04-15  Richard Guenther  <rguenther@suse.de>
2194
2195         * Makefile.in (OBJS-common): Add gimple-fold.o.
2196         (gimple-fold.o): New rule.
2197         * tree.h (maybe_fold_offset_to_reference,
2198         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2199         prototypes ...
2200         * gimple.h: ... here.
2201         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2202         may_propagate_address_into_dereference): Move prototypes ...
2203         * gimple.h: ... here.
2204         * tree-ssa-ccp.c (get_symbol_constant_value,
2205         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2206         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2207         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2208         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2209         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2210         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2211         gimplify_and_update_call_from_tree): Move ...
2212         * gimple-fold.c: ... here.  New file.
2213         (ccp_fold_builtin): Rename to ...
2214         (gimple_fold_builtin): ... this.
2215         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2216
2217 2010-04-15  Richard Guenther  <rguenther@suse.de>
2218
2219         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2220         fit_double_type, force_fit_type_double, add_double_with_sign,
2221         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2222         lrotate_double, rrotate_double, div_and_round_double): Move ...
2223         * double-int.c: ... here.
2224         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2225         add_double, neg_double, mul_double_with_sign, mul_double,
2226         lshift_double, rshift_double, lrotate_double, rrotate_double,
2227         div_and_round_double): Move prototypes ...
2228         * double-int.h: ... here.
2229
2230 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2231
2232         PR target/43742
2233         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2234         matching constraints to ensure inputs match the output.
2235
2236 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2237
2238         PR target/43742
2239         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2240         in an input-only operand.
2241
2242 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2243
2244         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2245         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2246         (double_int_negative_p): Convert to static inline function.
2247         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2248         (double_int_negative_p): Remove.
2249         * tree.h (lshift_double, rshift_double):
2250         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2251         * fold-const.c (fold_convert_const_int_from_real,
2252         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2253         (lshift_double): Change type of arith argument to bool.
2254         (rshift_double): Change type of arith argument to bool. Correct
2255         comment.
2256         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2257
2258 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2259
2260         PR target/21803
2261         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2262         at the start and end of the then/else blocks, and omit them from the
2263         conversion.
2264         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2265         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2266         (flow_find_head_matching_sequence): New function.
2267         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2268         * basic-block.h (flow_find_cross_jump,
2269         flow_find_head_matching_sequence): Declare functions.
2270
2271 2010-04-14  Jason Merrill  <jason@redhat.com>
2272
2273         PR c++/36625
2274         * c-common.c (attribute_takes_identifier_p): New fn.
2275         * c-common.h: Declare it.
2276
2277 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2278
2279         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2280         splitter condition.
2281         (*udivmod<mode>4): Ditto.
2282
2283 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2284
2285         * config/i386/i386.md (maxmin_int): Rename code attribute from
2286         maxminiprefix and update all users.
2287         (maxmin_float): Ditto from maxminfprefix.
2288         (logic): Ditto from logicprefix.
2289         (absneg_mnemonic): Ditto from absnegprefix.
2290         * config/i386/mmx.md: Update all users of maxminiprefix,
2291         maxminfprefix and logicprefix for rename.
2292         * config/i386/sse.md: Ditto.
2293         * config/i386/sync.md (sync_<code><mode>): Update for
2294         logicprefix rename.
2295
2296 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2297
2298         PR 42966
2299         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2300         warnings converted to errors.
2301
2302 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2303
2304         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2305         used insn_type variable.
2306         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2307         to avoid set-but-not-used warning.
2308
2309 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2310
2311         * df-core.c (df_ref_debug): Change format string placeholder
2312         from 0x%x to %#x.
2313         * dwarf2asm.c (dw2_asm_output_data_raw,
2314         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2315         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2316         * dwarf2out.c (output_cfi, output_cfi_directive,
2317         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2318         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2319         Ditto.
2320         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2321         * print-rtl.c (print_rtx): Ditto.
2322
2323 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2324
2325         PR middle-end/42694
2326         * builtins.c (expand_builtin_pow_root): New function to expand pow
2327         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2328         series of sqrt and cbrt calls under -ffast-math.
2329         (expand_builtin_pow): Call it.
2330
2331 2010-04-14  Michael Matz  <matz@suse.de>
2332
2333         PR tree-optimization/42963
2334         * tree-cfg.c (touched_switch_bbs): New static variable.
2335         (group_case_labels_stmt): New function broken out from ...
2336         (group_case_labels): ... here, use the above.
2337         (start_recording_case_labels): Allocate touched_switch_bbs.
2338         (end_recording_case_labels): Deallocate it, call
2339         group_case_labels_stmt.
2340         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2341
2342 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2343
2344         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2345         from insn template.
2346
2347 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2348
2349         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2350
2351 2010-04-13  Jan Hubicka  <jh@suse.cz>
2352
2353         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2354         of optimized out static functions.
2355         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2356         cost computation.  Also sanity check for overflows.
2357         (update_caller_keys): Update cgraph_edge_badness call; properly
2358         update fibheap and sanity check that it is up to date.
2359         (add_new_edges_to_heap): Update cgraph_edge_badness.
2360         (cgraph_decide_inlining_of_small_function): Likewise;
2361         add sanity checking that badness in heap is up to date;
2362         improve dumping of reason; Update badness of calls to the
2363         offline copy of function currently inlined; dump badness
2364         of functions not inlined because of unit growth limits.
2365
2366 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2367
2368         PR middle-end/32628
2369         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2370         because of sign-extension change when converting to sizetype here...
2371         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2372
2373         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2374         the folding to constants.  Remove redundant final conversion.
2375         (fold_binary) <associate>: Do not associate if the re-association of
2376         constants alone overflows.
2377         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2378         to the end of the list.
2379         (multiple_of_p) <COND_EXPR>: New case.
2380
2381 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2382
2383         * opt-functions.awk (opt_sanitized_name): New.
2384         (opt_enum): New.
2385         * optc-gen.awk: Use it
2386         * opth-gen.awk: Use it.
2387
2388 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2389
2390         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2391         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2392         children.  Call replace_uses_with_default_def_ssa_name to handle
2393         SSA_NAES on lhs.
2394
2395 2010-04-13  Michael Matz  <matz@suse.de>
2396
2397         PR middle-end/43730
2398         * builtins.c (expand_builtin_interclass_mathfn): Also create
2399         a register if the predicate doesn't match.
2400
2401 2010-04-13  Diego Novillo  <dnovillo@google.com>
2402
2403         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2404         * c-pch.c: Include timevar.h.
2405         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2406         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2407         * ggc-common.c: Include timevar.h.
2408         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2409         * timevar.def (TV_PCH_SAVE): Define.
2410         (TV_PCH_CPP_SAVE): Define.
2411         (TV_PCH_PTR_REALLOC): Define.
2412         (TV_PCH_PTR_SORT): Define.
2413         (TV_PCH_RESTORE): Define.
2414         (TV_PCH_CPP_RESTORE): Define.
2415
2416 2010-04-13  Michael Matz  <matz@suse.de>
2417
2418         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2419         into MINUS_EXPRs.
2420         (can_reassociate_p): New function.
2421         (break_up_subtract_bb, reassociate_bb): Use it.
2422
2423 2010-04-13  Richard Guenther  <rguenther@suse.de>
2424
2425         PR bootstrap/43737
2426         * builtins.c (c_readstr): Fix assert.
2427
2428 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2429
2430         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2431         when generating cltd insn.
2432
2433         (*ashl<mode>3_1): Remove special handling for register operand 2.
2434         (*ashlsi3_1_zext): Ditto.
2435         (*ashlhi3_1): Ditto.
2436         (*ashlhi3_1_lea): Ditto.
2437         (*ashlqi3_1): Ditto.
2438         (*ashlqi3_1_lea): Ditto.
2439         (*<shiftrt_insn><mode>3_1): Ditto.
2440         (*<shiftrt_insn>si3_1_zext): Ditto.
2441         (*<shiftrt_insn>qi3_1_slp): Ditto.
2442         (*<rotate_insn><mode>3_1): Ditto.
2443         (*<rotate_insn>si3_1_zext): Ditto.
2444         (*<rotate_insn>qi3_1_slp): Ditto.
2445
2446 2010-04-13  Richard Guenther  <rguenther@suse.de>
2447
2448         * tree-ssa-structalias.c (callused_id): Remove.
2449         (call_stmt_vars): New.
2450         (get_call_vi): Likewise.
2451         (lookup_call_use_vi): Likewise.
2452         (lookup_call_clobber_vi): Likewise.
2453         (get_call_use_vi): Likewise.
2454         (get_call_clobber_vi): Likewise.
2455         (make_transitive_closure_constraints): Likewise.
2456         (handle_const_call): Adjust to do per-call call-used handling.
2457         (handle_pure_call): Likewise.
2458         (find_what_var_points_to): Remove general callused handling.
2459         (init_base_vars): Likewise.
2460         (init_alias_vars): Initialize call_stmt_vars.
2461         (compute_points_to_sets): Process call-used and call-clobbered
2462         vars for call statements.
2463         (delete_points_to_sets): Free call_stmt_vars.
2464
2465 2010-04-13  Richard Guenther  <rguenther@suse.de>
2466
2467         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2468         Only add RW dependence for dependence distance zero.
2469         Adjust maximal vectorization factor according to dependences.
2470         Move alignment handling ...
2471         (vect_find_same_alignment_drs): ... here.  New function.
2472         (vect_analyze_data_ref_dependences): Adjust.
2473         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2474         (vect_analyze_data_refs): Adjust minimal vectorization factor
2475         according to data references.
2476         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2477         dependences before determining the vectorization factor.
2478         Analyze alignment after determining the vectorization factor.
2479         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2480         dependences before alignment.
2481         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2482         Adjust prototype.
2483         (vect_analyze_data_refs): Likewise.
2484         (MAX_VECTORIZATION_FACTOR): New define.
2485
2486 2010-04-13  Duncan Sands  <baldrick@free.fr>
2487
2488         * except.h (lang_eh_type_covers): Remove.
2489         * except.c (lang_eh_type_covers): Likewise.
2490
2491 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2492             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2493
2494         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2495         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2496         UNITS_PER_LONG where it is ABI relevant.
2497         (s390_return_addr_rtx): Likewise.
2498         (s390_back_chain_rtx): Likewise.
2499         (s390_frame_area): Likewise.
2500         (s390_frame_info): Likewise.
2501         (s390_initial_elimination_offset): Likewise.
2502         (save_gprs): Likewise.
2503         (s390_emit_prologue): Likewise.
2504         (s390_emit_epilogue): Likewise.
2505         (s390_function_arg_advance): Likewise.
2506         (s390_function_arg): Likewise.
2507         (s390_va_start): Likewise.
2508         (s390_gimplify_va_arg): Likewise.
2509         (s390_function_profiler): Likewise.
2510         (s390_optimize_prologue): Likewise.
2511         (s390_rtx_costs): Likewise.
2512         (s390_secondary_reload): Likewise.
2513         (s390_promote_function_mode): Likewise.
2514         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2515         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2516         registers available.
2517         (s390_unwind_word_mode): New function.
2518         (s390_function_value): Split 64 bit values into register pair if
2519         used as return value.
2520         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2521         function call parameters.  Handle parallels.
2522         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2523         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2524         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2525         (s390_expand_setmem): Remove unused variable src_addr.
2526         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2527         deal with 64 bit registers.
2528         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2529         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2530         (UNITS_PER_LONG): New macro.
2531         * libjava/include/s390-signal.h: Define extended ucontext
2532         structure containing the upper halfs of the 64 bit registers.
2533
2534 2010-04-13  Simon Baldwin  <simonb@google.com>
2535
2536         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2537
2538 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2539
2540         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2541         rvalue on the RHS if the LHS is of a non-renamable type.
2542         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2543
2544 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2545
2546         * gcc.c (cc1_options): Handle -iplugindir before processing
2547         the cc1 spec. Only add -iplugindir once.
2548         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2549         found.
2550         * common.opt (iplugindir): Remove `Separate' property, initialize.
2551         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2552         option.
2553         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2554         (distclean): Remove plugin dir.
2555         * doc/invoke.texi: Document -iplugindir.
2556
2557 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2558
2559         * doc/plugins.texi (Loading Plugins): Document short
2560         -fplugin=foo option.
2561         (Plugin API): Mention default_plugin_dir_name function.
2562
2563         * gcc.c (find_file_spec_function): Add new declaration.
2564         (static_spec_func): Use it for "find-file".
2565         (find_file_spec_function): Add new function.
2566         (cc1_options): Add -iplugindir option if -fplugin* options found.
2567
2568         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2569
2570         * plugin.c (add_new_plugin): Updated comment, and handle short
2571         plugin name.
2572         (default_plugin_dir_name): Added new function.
2573
2574         * common.opt (iplugindir): New option to set the plugin directory.
2575
2576 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2577
2578         * config/i386/i386.md (any_rotate): New code iterator.
2579         (rotate_insn): New code attribute.
2580         (rotate): Ditto.
2581         (SWIM124): New mode iterator.
2582         (<rotate_insn>ti3): New expander.
2583         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2584         any_rotate code iterator.
2585         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2586         using any_rotate code iterator and SWIM124 mode iterator.
2587         (ix86_rotlti3): New insn_and_split pattern.
2588         (ix86_rotrti3): Ditto.
2589         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2590         ix86_rotl{di,ti}3 patterns.
2591         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2592         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2593         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2594         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2595         code iterator and SWI mode iterator.
2596         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2597         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2598         code iterator.
2599         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2600         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2601         (bswap rotatert splitter): Add splitter.
2602         (bswap splitter): Macroize splitter using any_rotate code iterator.
2603         Add insn predicate to split only for TARGET_USE_XCHGB or when
2604         optimizing function for size.
2605
2606 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2607
2608         * config/pa/pa.c (emit_move_sequence): Remove use of
2609         deleted variable flag_argument_noalias.
2610
2611 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2612
2613         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2614         configurations.
2615         Add to unsupported targets list.
2616         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2617         sparc*-sun-solaris2.[567]* from target lists.
2618         * configure: Regenerate.
2619         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2620         removal.
2621         Remove Solaris 7 patch references.
2622         (Specific, sparc-sun-solaris2.7): Removed.
2623         (sparc-sun-solaris2*): Update Solaris 7 example.
2624         (sparc64-*-solaris2*): Likewise.
2625
2626 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2627
2628         * config.build (alpha*-dec-osf4*): Remove.
2629         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2630         of obsolete configurations.
2631         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2632         support.
2633         * config/alpha/t-osf4: Renamed to ...
2634         * config/alpha/t-osf5: ... this.
2635         * config/alpha/osf.h: Renamed to ...
2636         * config/alpha/osf5.h: ... this.
2637         Merged old osf5.h contents.
2638         Update comments.
2639         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2640         (EXTRA_SPECS): Removed.
2641         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2642         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2643         Document that.
2644
2645 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2646
2647         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2648
2649 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2650
2651         PR/43702
2652         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2653         __thiscall convention.
2654
2655 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2656
2657         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2658         orig_base.
2659         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2660
2661 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2662
2663         * function.c (assign_parms_initialize_all): Add unused attribute
2664         to fntype.
2665
2666 2010-04-12  Richard Guenther  <rguenther@suse.de>
2667
2668         * gsstruct.def (GSS_CALL): New.
2669         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2670         * gimple.h: Include tree-ssa-alias.h.
2671         (struct gimple_statement_call): New.
2672         (union gimple_statement_struct_d): Add gimple_call member.
2673         (gimple_call_reset_alias_info): Declare.
2674         (gimple_call_use_set): New function.
2675         (gimple_call_clobber_set): Likewise.
2676         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2677         * gimple.c (gimple_call_reset_alias_info): New function.
2678         (gimple_build_call_1): Call it.
2679         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2680         * tree-inline.c (remap_gimple_stmt): Likewise.
2681         (expand_call_inline): Remove callused handling.
2682         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2683         * tree-dfa.c (dump_variable): Likewise.
2684         * tree-parloops.c (parallelize_loops): Likewise.
2685         * tree-ssa.c (init_tree_ssa): Likewise.
2686         (delete_tree_ssa): Likewise.
2687         * tree-flow-inline.h (is_call_used): Remove.
2688         * tree-flow.h (struct gimple_df): Remove callused member.
2689         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2690         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2691         (ref_maybe_used_by_call_p_1): Simplify.
2692         (call_may_clobber_ref_p_1): Likewise.
2693         * tree-ssa-structalias.c (compute_points_to_sets): Set
2694         the call stmt used and clobbered sets.
2695         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2696         (find_tail_calls): Verify the tail call.
2697
2698 2010-04-12  Richard Guenther  <rguenther@suse.de>
2699
2700         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2701         single-iteration always-inline inlining.
2702         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2703         (cgraph_decide_inlining): Do not handle always-inline specially.
2704         (try_inline): Remove always-inline cycle detection special case.
2705         Do not recurse on always-inlines.
2706         (cgraph_early_inlining): Do not iterate if not optimizing.
2707         (cgraph_gate_early_inlining): remove.
2708         (pass_early_inline): Run unconditionally.
2709         (gate_cgraph_decide_inlining): New function.
2710         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2711         not inlining or optimizing.
2712         (cgraph_decide_inlining_of_small_functions): Also consider
2713         always-inline functions.
2714         (cgraph_default_inline_p): Return true for nodes which should
2715         disregard inline limits.
2716         (estimate_function_body_sizes): Assume zero size and time for
2717         nodes which are marked as disregarding inline limits.
2718         (cgraph_decide_recursive_inlining): Do not perform recursive
2719         inlining on always-inline nodes.
2720
2721 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2722
2723         PR bootstrap/43699
2724         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2725         for exprs satisfying handled_component_p.
2726
2727 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2728
2729         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2730         non-constant aggregate elements.
2731
2732         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2733         is a real initialization.
2734
2735 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2736
2737         PR c/36774
2738         * c-decl.c (start_function): Move forward check for nested function.
2739
2740 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2741
2742         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2743         * config/sh/sh.c: Include reload.h.
2744         (sh_legitimize_reload_address): New.
2745         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2746         sh_legitimize_reload_address.
2747
2748 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2749
2750         * config/sh/sh.md (*movqi_pop): New insn pattern.
2751         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2752
2753 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2754
2755         * config/i386/i386.md (any_shiftrt): New code iterator.
2756         (shiftrt_insn): New code attribute.
2757         (shiftrt): Ditto.
2758         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2759         using any_shiftrt code iterator.
2760         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2761         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2762         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2763         pattern from corresponding peephole2 patterns.
2764         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2765         using any_shiftrt code iterator.
2766         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2767         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2768         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2769         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2770         *{ashr,lshr}<mode>3_cmp_zext.
2771         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2772
2773 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2774
2775         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2776         scratch register.
2777         (*lshr<mode>3_cconly): Ditto.
2778
2779 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2780
2781         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2782         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2783         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2784         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2785         DWI mode iterator.
2786         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2787         from corresponding peephole2 patterns.
2788         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2789         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2790         and *lshrdi3_1_rex64 using SWI mode iterator.
2791         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2792         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2793         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2794         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2795         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2796         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2797         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2798         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2799         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2800         SWI mode iterator.
2801
2802 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2803
2804         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2805         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2806         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2807         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2808         DWI mode iterator.
2809         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2810         from corresponding peephole2 patterns.
2811         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2812         (ashrsi3_cvt): Rename from ashrsi3_31.
2813         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2814         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2815         and x86_64_shift_adj_3 using SWI48 mode iterator.
2816         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2817         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2818         and *ashrdi3_1_rex64 using SWI mode iterator.
2819         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2820         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2821         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2822         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2823         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2824         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2825         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2826         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2827         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2828         SWI mode iterator.
2829         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2830         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2831         x86_shift<mode>_adj_3 expanders.
2832
2833 2010-04-10  Wei Guozhi  <carrot@google.com>
2834
2835         PR target/42601
2836         * config/arm/arm.c (arm_pic_static_addr): New function.
2837         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2838         a static symbol.
2839         (arm_output_addr_const_extra): Output expression for new pattern.
2840         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2841
2842 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2843
2844         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2845         not enabled.
2846
2847         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2848         * web.c: Include "insn-config.h" and "recog.h".
2849         (union_match_dups): New function.
2850         (web_main): Call it.
2851         (union_defs): Don't try to recognize match_dups.
2852
2853         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2854         if doing so would replace the entire pattern.
2855
2856 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2857
2858         PR target/43707
2859         PR target/43709
2860         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2861         and splitter pattern.  Change splitter operand 1 predicate to
2862         nonmemory_operand.
2863
2864 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2865
2866         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2867         lattices are addresses of CONST_DECLs with the same initial value.
2868         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2869         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2870
2871 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2872             Bernd Schmidt  <bernds@codesourcery.com>
2873
2874         * loop-invariant.c (replace_uses): New static function.
2875         (move_invariant_reg): Use it to ensure we can replace the uses.
2876
2877 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2878
2879         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2880         function template.
2881         (picochip_override_options): Enable section anchors only above -O1.
2882         (picochip_reorg): Fixed a couple of build warnings.
2883
2884 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2885
2886         * configure.ac (plugin -rdynamic test): Log result.
2887         * configure: Regenerate.
2888         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2889         (RDYNAMIC_SPEC): Define.
2890         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2891
2892 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2893
2894         * configure.ac: Determine Sun ld version numbers.
2895         (comdat_group): Restrict GNU ld version checks to gld.
2896         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2897         (enable_comdat): Support --enable-comdat.
2898         * configure: Regenerate.
2899         * doc/install.texi (Configuration): Document --enable-comdat.
2900
2901 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2902
2903         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2904         * config/sol2-gld.h: ... here.
2905         * config.gcc (sparc*-*-solaris2*): Reflect this.
2906         (i[34567]86-*-solaris2*): Use it.
2907
2908 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2909
2910         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2911         setup_clocks_p.
2912         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2913
2914 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2915
2916         PR 42965
2917         * diagnostic.c (diagnostic_initialize): Initialize
2918         some_warnings_are_errors.
2919         (diagnostic_finish): New.
2920         (diagnostic_action_after_output): Call it before exiting.
2921         (diagnostic_report_diagnostic): Do not print message here. Set
2922         some_warnings_are_errors.
2923         * diagnostic.h (diagnostic_context): Delete
2924         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2925         (diagnostic_finish): Declare.
2926         * toplev.c (toplev_main): Call it before exit.
2927
2928 2010-04-09  Jason Merrill  <jason@redhat.com>
2929
2930         PR c++/42623
2931         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2932         for incomplete type.
2933
2934         PR c++/41788
2935         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2936         based on a warning flag.
2937
2938 2010-04-09  Richard Guenther  <rguenther@suse.de>
2939
2940         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2941
2942 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2943
2944         PR bootstrap/43684
2945         * varasm.c (default_assemble_visibility): Wrap vars that are
2946         set, but unused, by targets without GAS.
2947         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2948         Remove set, but unused, vars.
2949         (rs6000_legitimize_tls_address): Likewise.
2950         (altivec_expand_dst_builtin): Likewise.
2951         * config/darwin.c (machopic_classify_symbol): Likewise.
2952         (machopic_indirection_name): Likewise.
2953
2954 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2955
2956         * config/i386/i386.md (DWI): New mode iterator.
2957         (S): New mode attribute.
2958         (shift_operand): Ditto.
2959         (shift_immediate_operand): Ditto.
2960         (ashl_input_operand): Ditto.
2961         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2962         using SDWIM mode iterator.
2963         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2964         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2965         DWI mode iterator.
2966         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2967         from corresponding peephole2 patterns.
2968         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2969         and x86_64_shift_adj_1 using SWI48 mode iterator.
2970         (x86_shift<mode>_adj_2): Ditto.
2971         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2972         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2973         using SWI48 mode iterator.
2974         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2975         *ashldi3_cmp_rex64 using SWI mode iterator.
2976         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2977         *ashldi3_cconly_rex64 using SWI mode iterator.
2978         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2979         x86_shift<mode>_adj_{1,2}.
2980         (ix86_split_ashr): Ditto.
2981         (ix86_split_lshr): Ditto.
2982
2983 2010-04-09  Richard Guenther  <rguenther@suse.de>
2984
2985         * target.h (builtin_conversion): Pass in input and output types.
2986         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2987         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2988         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2989         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2990
2991         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2992         Handle AVX modes.
2993         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2994
2995 2010-04-09  Richard Guenther  <rguenther@suse.de>
2996
2997         PR target/43152
2998         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2999
3000 2010-04-09  Richard Guenther  <rguenther@suse.de>
3001
3002         * tree-vectorizer.h (struct _stmt_vec_info): Document
3003         that vectype is the type of the LHS.
3004         (supportable_widening_operation, supportable_narrowing_operation):
3005         Get both input and output vector types as arguments.
3006         (vect_is_simple_use_1): Declare.
3007         (get_same_sized_vectype): Likewise.
3008         * tree-vect-loop.c (vect_determine_vectorization_factor):
3009         Set STMT_VINFO_VECTYPE to the vector type of the def.
3010         (vectorizable_reduction): Adjust.
3011         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3012         Adjust.  Specify the output vector type.
3013         (vect_pattern_recog_1): Adjust.
3014         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3015         (vectorizable_call): Adjust.
3016         (vectorizable_conversion): Likewise.
3017         (vectorizable_operation): Likewise.
3018         (vectorizable_type_demotion): Likewise.
3019         (vectorizable_type_promotion): Likewise.
3020         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3021         the def.
3022         (vect_is_simple_use_1): New function.
3023         (supportable_widening_operation): Get both input and output
3024         vector types.
3025         (supportable_narrowing_operation): Likewise.
3026         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3027
3028 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3029
3030         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3031         __thiscall and _thiscall as predefined macros.
3032         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3033         thiscall attribute handling.
3034         (ix86_comp_type_attributes): Likewise.
3035         (ix86_function_regparm): Likewise.
3036         (ix86_return_pops_args): Likewise.
3037         (init_cumulative_args): Likewise.
3038         (find_drap_reg): Likewise.
3039         (ix86_static_chain): Likewise.
3040         (x86_this_parameter): Likewise.
3041         (x86_output_mi_thunk): Likewise.
3042         (ix86_attribute_table): Add description for thiscall attribute.
3043         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3044         * doc/extend.texi: Add documentation for thiscall.
3045
3046 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3047
3048         PR c++/28584
3049         * c.opt (Wint-to-pointer-cast): Available in C++.
3050         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3051
3052 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3053
3054         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3055         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3056         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3057         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3058         function type instead.  Reorder and simplify checks.
3059
3060         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3061
3062 2010-04-08  Jing Yu  <jingyu@google.com>
3063             Zdenek Dvorak  <ook@ucw.cz>
3064
3065         PR tree-optimization/42720
3066         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3067         loop unswitch conditions here from ...
3068         (tree_unswitch_single_loop): ... here.
3069
3070 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3071
3072         * tree-if-conv.c: Fix comments and simplify logic.
3073
3074 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3075
3076         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3077         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3078         (main_tree_if_conversion): Update call to tree_if_conversion.
3079
3080 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3081
3082         PR 42485
3083         * doc/invoke.texi (-b,-V): Delete.
3084         * doc/tm.texi: Do not mention -b.
3085         * gcc.c (display_help): Delete -b and -V.
3086         (process_command): Delete -b and -V.
3087         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3088
3089 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3090             Wolfgang Gellerich  <gellerich@de.ibm.com>
3091
3092         Implement target hook for loop unrolling
3093         * target.h (loop_unroll_adjust): Add a new target hook function.
3094         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3095         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3096         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3097         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3098         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3099         target hook.
3100         (decide_unroll_stupid): Likewise.
3101
3102 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3103
3104         PR target/43643
3105         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3106
3107 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3108
3109         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3110         (Specific, *-*-solaris2*): Likewise.
3111         Don't prefer Sun as over GNU as.
3112
3113 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3114
3115         * config/s390/s390.c (override_options): Adjust the z10
3116           defaults for max-unroll-times, max-completely-peeled-insns
3117           and max-completely-peel-times.
3118
3119 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3120
3121         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3122         instructions for z10.
3123         (s390_expand_setmem): Likewise.
3124         (s390_expand_cmpmem): Likewise.
3125
3126 2010-04-08  Richard Guenther  <rguenther@suse.de>
3127
3128         PR tree-optimization/43679
3129         * tree-ssa-pre.c (eliminate): Only propagate copies.
3130
3131 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3132
3133         PR bootstrap/43681
3134         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3135         set but not used variable warning.
3136
3137 2010-04-08  Wei Guozhi  <carrot@google.com>
3138
3139         PR target/41653
3140         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3141         (arm_size_rtx_costs): Call the new function when optimized for size.
3142
3143 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3144
3145         PR debug/43670
3146         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3147         op0 is not a MEM, just return NULL instead of assertion
3148         failure.
3149         (discover_nonconstant_array_refs): Don't walk debug stmts.
3150
3151 2010-04-08  Doug Kwan  <dougkwan@google.com>
3152
3153         * configure.ac: Recognize gold and do not use its version number
3154         to test ld features.
3155         * configure: Regenerate.
3156
3157 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3158
3159         PR middle-end/40815
3160         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3161         (negate_value): Move code to push elements to broken_up_substracts ...
3162         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3163         negative pair to plus_negates.
3164         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3165
3166 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3167
3168         * doc/install.texi (Configuration): Move description of
3169         --enable-lto, --with-libelf*, --enable-gold from Java section to
3170         general section.
3171
3172         * doc/generic.texi (Working with declarations)
3173         (Function Properties, C and C++ Trees): Fix typos.
3174         * doc/sourcebuild.texi (Top Level): Likewise.
3175
3176 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3177
3178         PR c/18624
3179         * tree.h (DECL_READ_P): Define.
3180         (struct tree_decl_common): Add decl_read_flag.
3181         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3182         a set but not used warning.
3183         (merge_decls): Merge DECL_READ_P flag.
3184         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3185         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3186         * c-common.c (handle_used_attribute, handle_unused_attribute):
3187         Likewise.
3188         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3189         New prototypes.
3190         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3191         New functions.
3192         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3193         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3194         c_parser_binary_expression, c_parser_cast_expression,
3195         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3196         Call default_function_array_read_conversion instead of
3197         default_function_array_conversion where needed.
3198         (c_parser_unary_expression, c_parser_conditional_expression,
3199         c_parser_postfix_expression_after_primary, c_parser_initelt):
3200         Likewise.  Call mark_exp_read where needed.
3201         (c_parser_statement_after_labels, c_parser_asm_operands,
3202         c_parser_typeof_specifier, c_parser_sizeof_expression,
3203         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3204         where needed.
3205         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3206         New.
3207         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3208         (warn_unused_but_set_parameter): Default to warn_unused
3209         && extra_warnings.
3210         * doc/invoke.texi: Document -Wunused-but-set-variable and
3211         -Wunused-but-set-parameter.
3212
3213         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3214         used count variable.
3215         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3216         when operandN variables aren't used in the body of the expander
3217         or splitter.
3218         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3219         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3220         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3221         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3222         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3223         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3224         * tree.c (PROCESS_ARG): Likewise.
3225
3226 2010-04-07  Simon Baldwin  <simonb@google.com>
3227
3228         * diagnostic.h (diagnostic_override_option_index): New macro to
3229         set a diagnostic's option_index.
3230         * c-tree.h (c_cpp_error): Add warning reason argument.
3231         * opts.c (_warning_as_error_callback): New.
3232         (register_warning_as_error_callback): Store callback for
3233         warnings enabled via enable_warning_as_error.
3234         (enable_warning_as_error): Call callback, minor code tidy.
3235         * opts.h (register_warning_as_error_callback): Declare.
3236         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3237         response to -Werror=.
3238         (c_common_init_options): Register warning_as_error_callback in opts.c.
3239         * common.opt: Add -Wno-cpp option.
3240         * c-common.c (struct reason_option_codes_t): Map cpp warning
3241         reason codes to gcc option indexes.
3242         * (c_option_controlling_cpp_error): New function, lookup the gcc
3243         option index for a cpp warning reason code.
3244         * (c_cpp_error): Add warning reason argument, call
3245         c_option_controlling_cpp_error for diagnostic_override_option_index.
3246         * doc/invoke.texi: Document -Wno-cpp.
3247
3248 2010-04-07  Richard Guenther  <rguenther@suse.de>
3249
3250         * ipa-reference.c (mark_load): Use get_base_address.
3251         (mark_store): Likewise.
3252
3253         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3254         inserting GIMPLE_NOPs into the IL.
3255         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3256         Explicitly strip handled components and indirect references.
3257
3258         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3259         folding address expressions.
3260         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3261         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3262         operand_equal_p to compare decls.
3263         (ptr_deref_may_alias_decl_p): Likewise.
3264         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3265         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3266         Handle reversed comparison ops.
3267         * tree-sra.c (asm_visit_addr): Use get_base_address.
3268         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3269         * ipa-reference.c (mark_address): Use get_base_address.
3270
3271 2010-04-07  Richard Guenther  <rguenther@suse.de>
3272
3273         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3274         Propagate constants everywhere.
3275
3276 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3277
3278         PR debug/43516
3279         * tree.c (MAX_INT_CACHED_PREC): Define.
3280         (nonstandard_integer_type_cache): New array.
3281         (build_nonstandard_integer_type): Cache results for precision
3282         <= MAX_INT_CACHED_PREC.
3283
3284 2010-04-07  Richard Guenther  <rguenther@suse.de>
3285
3286         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3287         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3288         * common.opt: Likewise.
3289         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3290         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3291         (nonoverlapping_memrefs_p): Likewise.
3292         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3293         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3294         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3295         OPT_fargument_noalias_global for backward compatibility.
3296
3297 2010-04-07  Richard Guenther  <rguenther@suse.de>
3298
3299         PR tree-optimization/43270
3300         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3301         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3302         * tree-ssa-pre.c (phi_translate_1): Adjust.
3303         (fully_constant_expression): Split out vn_reference handling to ...
3304         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3305         Fold reads from constant strings.
3306         (vn_reference_lookup): Handle fully constant references.
3307         (vn_reference_lookup_pieces): Likewise.
3308         * Makefile.in (expmed.o-warn): Add -Wno-error.
3309
3310 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3311
3312         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3313
3314 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3315
3316         PR driver/41594
3317         * gcc.c: Add -static-libstdc++ to list of recognized options.
3318
3319 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3320
3321         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3322
3323 2010-04-07  Richard Guenther  <rguenther@suse.de>
3324
3325         PR middle-end/42617
3326         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3327         bases build simple mem attributes to retain points-to information.
3328
3329 2010-04-07  Richard Guenther  <rguenther@suse.de>
3330
3331         PR middle-end/42617
3332         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3333         preserve points-to related information.
3334
3335 2010-04-07  Richard Guenther  <rguenther@suse.de>
3336
3337         PR middle-end/42617
3338         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3339         discard plain indirect references.
3340         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3341         * tree.c (tree_nop_conversion): Likewise.
3342
3343 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3344
3345         PR debug/43628
3346         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3347
3348 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3349
3350         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3351         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3352
3353 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3354
3355         * tree-if-conv.c: Fix indentation and comments.
3356
3357 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3358
3359         * tree-if-conv.c: Sort static functions in topological order.
3360
3361 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3362
3363         * tree-if-conv.c: Fix indentation and comments.
3364
3365 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3366
3367         PR middle-end/43519
3368         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3369         lang_hooks.types.type_for_size instead of
3370         build_nonstandard_integer_type.
3371         When converting an unsigned type to signed, double its precision.
3372         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3373         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3374         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3375         use lb <= ub.
3376
3377 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3378
3379         PR middle-end/43519
3380         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3381         POINTER_PLUS_EXPR for pointer types.
3382
3383 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3384
3385         PR middle-end/43519
3386         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3387         * graphite-clast-to-gimple.c: Include langhooks.h.
3388         (max_signed_precision_type): New.
3389         (max_precision_type): Takes two types as arguments.
3390         (precision_for_value): New.
3391         (precision_for_interval): New.
3392         (gcc_type_for_interval): New.
3393         (gcc_type_for_value): New.
3394         (gcc_type_for_clast_term): New.
3395         (gcc_type_for_clast_red): New.
3396         (gcc_type_for_clast_bin): New.
3397         (gcc_type_for_clast_expr): Split up into several functions.
3398         (gcc_type_for_clast_eq): Rewritten.
3399         (compute_bounds_for_level): New.
3400         (compute_type_for_level_1): New.
3401         (compute_type_for_level): New.
3402         (gcc_type_for_cloog_iv): Removed.
3403         (gcc_type_for_iv_of_clast_loop): Rewritten.
3404         (graphite_create_new_loop): Compute the lower and upper bound types
3405         with gcc_type_for_clast_expr.
3406         (graphite_create_new_loop_guard): Same.
3407         (find_cloog_iv_in_expr): Removed.
3408         (compute_cloog_iv_types_1): Removed.
3409         (compute_cloog_iv_types): Removed.
3410         (gloog): Do not call compute_cloog_iv_types.
3411         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3412         GBB_CLOOG_IV_TYPES.
3413         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3414         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3415         (GBB_CLOOG_IV_TYPES): Removed.
3416
3417 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3418
3419         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3420         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3421         (detect_commutative_reduction): Same.
3422
3423 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3424
3425         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3426         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3427         argument.
3428         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3429         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3430         (rewrite_commutative_reductions_out_of_ssa): Same.
3431         * passes.c (execute_function_todo): Call verify_ssa for every pass
3432         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3433         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3434         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3435         with an extra argument.
3436         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3437         verify_ssa only when the extra argument is true.
3438         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3439         with an extra argument.
3440         (tree_transform_and_unroll_loop): Same.
3441
3442 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3443
3444         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3445         for all the passes of the LNO having LOOP_CLOSED_SSA.
3446         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3447         * tree-loop-distribution.c (pass_loop_distribution): Same.
3448         * tree-pass.h (TODO_verify_loops): Removed.
3449         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3450         (pass_lim): Same.
3451         (pass_tree_unswitch): Same.
3452         (pass_predcom): Same.
3453         (pass_vectorize): Same.
3454         (pass_linear_transform): Same.
3455         (pass_graphite_transforms): Same.
3456         (pass_iv_canon): Same.
3457         (pass_complete_unroll): Same.
3458         (pass_complete_unrolli): Same.
3459         (pass_parallelize_loops): Same.
3460         (pass_loop_prefetch): Same.
3461         (pass_iv_optimize): Same.
3462
3463 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3464
3465         PR middle-end/32824
3466         * passes.c (init_optimization_passes): Move pass_lim before
3467         pass_copy_prop and pass_dce_loop.
3468
3469 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3470
3471         PR target/43667
3472         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3473         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3474         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3475         MULTI_* defines for 4 argument vpermil2p* builtins.
3476
3477 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3478
3479         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3480         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3481         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3482         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3483         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3484         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3485         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3486         Use x86_maybe_negate_const_int to output insn mnemonic.
3487         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3488         check from instruction predicate.  Update comments.
3489         * config/i386/sync.md (sync_add<mode>): Use
3490         x86_maybe_negate_const_int to output insn mnemonic.
3491
3492 2010-04-06  Jan Hubicka  <jh@suse.cz>
3493
3494         PR tree-optimization/42906
3495         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3496         IGNORE_SELF argument.  Set visited_control_parents for fully
3497         processed BBs.
3498         (find_obviously_necessary_stmts): Update call of
3499         mark_control_dependent_edges_necessary.
3500         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3501
3502 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3503
3504         * config/i386/i386.md: Remove comment about 'e' and 'E'
3505         operand modifier.
3506
3507 2010-04-06  Richard Guenther  <rguenther@suse.de>
3508
3509         PR tree-optimization/43627
3510         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3511         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3512         not varying.
3513
3514 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3515
3516         * BASE-VER: Change to 4.6.0.
3517
3518         PR target/43638
3519         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3520         handling.
3521
3522 2010-04-06  Richard Guenther  <rguenther@suse.de>
3523
3524         PR middle-end/43661
3525         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3526
3527 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3528
3529         * doc/invoke.texi (Optimize Options): Document that LTO
3530         won't remove object access purely due to incompatible
3531         declarations.
3532
3533 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3534
3535         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3536         Initialize variable.
3537
3538 2010-04-03  Richard Guenther  <rguenther@suse.de>
3539
3540         PR middle-end/42509
3541         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3542         require a non-NULL MEM_OFFSET.
3543
3544 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3545
3546         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3547         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3548         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3549         config/alpha/predicates.md, config/arm/arm.md,
3550         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3551         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3552         config/darwin9.h, config/darwin.c, config/darwin.h,
3553         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3554         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3555         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3556         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3557         config/mips/mips.md, config/mn10300/mn10300.c,
3558         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3559         config/rs6000/aix.h, config/rs6000/dfp.md,
3560         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3561         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3562         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3563         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3564         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3565         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3566         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3567         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3568         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3569         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3570         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3571         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3572         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3573         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3574         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3575         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3576         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3577         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3578         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3579         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3580         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3581         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3582         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3583         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3584         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3585         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3586         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3587         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3588         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3589         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3590         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3591         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3592         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3593         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3594         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3595         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3596
3597 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3598
3599         PR other/43620
3600         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3601         * aclocal.m4: Regenerate.
3602
3603 2010-04-02  Richard Guenther  <rguenther@suse.de>
3604
3605         PR tree-optimization/43629
3606         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3607         if we have seen a constant value.
3608
3609 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3610
3611         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3612
3613 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3614
3615         PR target/43469
3616         * arm.c (legitimize_tls_address): Adjust call to
3617         gen_tls_load_dot_plus_four.
3618         (arm_note_pic_base): New function.
3619         (arm_cannot_copy_insn_p): Use it.
3620         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3621         constraint.
3622
3623 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3624
3625         PR bootstrap/43531
3626
3627         Revert:
3628         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3629
3630         * Makefile.in ($(out_object_file)): Depend on
3631         gt-$(basename $(notdir $(out_file))).h.
3632
3633 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3634
3635         * config.gcc (lm32-*-rtems*): Add t-lm32.
3636
3637 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3638
3639         * config.gcc: Add lm32-*-rtems*.
3640         * config/lm32/rtems.h: New file.
3641
3642 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3643
3644         PR target/42609
3645         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3646
3647 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3648
3649         * dwarf2out.c (output_compilation_unit_header): For
3650         -gdwarf-4 use version 4 instead of version 3.
3651         (output_line_info): For version 4 and above emit additional
3652         maximum ops per insn header field.
3653         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3654
3655         * dwarf2out.c (is_c_family, is_java): Remove.
3656         (lower_bound_default): New function.
3657         (add_bound_info, gen_descr_array_type_die): Use it.
3658
3659 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3660
3661         PR debug/43325
3662         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3663         re-declaration when it happens in a function.
3664
3665 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3666
3667         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3668         (cgraph_remove_function_insertion_hook): Same.
3669         (cgraph_call_function_insertion_hooks): Same.
3670
3671 2010-04-01  Richard Guenther  <rguenther@suse.de>
3672
3673         PR middle-end/43614
3674         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3675         and TREE_THIS_VOLATILE.
3676         (copy_ref_info): Likewise.
3677         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3678         * tree.c (build6_stat): Ignore side-effects of all but arg5
3679         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3680         TARGET_MEM_REF.
3681
3682 2010-04-01  Richard Guenther  <rguenther@suse.de>
3683
3684         PR tree-optimization/43607
3685         * ipa-type-escape.c (check_call): Do not access non-existing
3686         arguments.
3687
3688 2010-04-01  Richard Guenther  <rguenther@suse.de>
3689
3690         PR middle-end/43602
3691         Revert
3692         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3693                     Jack Howarth <howarth@bromo.med.uc.edu>
3694
3695         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3696         variables TLS.
3697
3698 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3699
3700         * doc/install.texi (Prerequisites): Document libelf usability on
3701         IRIX 5/6 and Solaris 2.
3702         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3703         Update GNU as, GNU ld requirements.
3704         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3705         Document Sun Studio compiler download.
3706         Update and simplify as, ld recommendations.
3707         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3708
3709 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3710
3711         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3712         with_tune_32 to pentium4.
3713
3714 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3715
3716         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3717
3718 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3719
3720         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3721         obsoletion, removal.
3722         Update IDO URL.
3723         Document GNU as requirement.
3724         Update configure requirements.
3725         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3726         Recomment IRIX 6.5.18+.
3727         Document IDF/IDL requirement.
3728         Document GNU as requirement.
3729         Document GNU ld bootstrap failure.
3730         Remove freeware.sgi.com reference.
3731
3732 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3733
3734         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3735         UNIX V4.0, V5.0 obsoletion, removal.
3736         Remove --with-gc=simple reference.
3737         Update VM requirements during bootstrap.
3738         Remove -oldas bootstrap description.
3739         Update binutils reference.
3740         Remove comparison failure note.
3741
3742 2010-03-31  Richard Guenther  <rguenther@suse.de>
3743             Zdenek Dvorak  <ook@ucw.cz>
3744             Sebastian Pop  <sebastian.pop@amd.com>
3745
3746         PR middle-end/43464
3747         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3748         with multiple arguments.
3749         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3750
3751 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3752
3753         * graphite-dependences.c (print_pddr): Call print_pdr with an
3754         extra argument.
3755         * graphite-poly.c (debug_pdr): Add an extra argument for the
3756         verbosity level.
3757         (print_pdr): Same.
3758         (print_pbb_domain): Same.
3759         (print_pbb): Same.
3760         (print_scop_context): Same.
3761         (print_scop): Same.
3762         (print_cloog): Same.
3763         (debug_pbb_domain): Same.
3764         (debug_pbb): Same.
3765         (print_pdrs): Same.
3766         (debug_pdrs): Same.
3767         (debug_scop_context): Same.
3768         (debug_scop): Same.
3769         (debug_cloog): Same.
3770         (print_scop_params): Same.
3771         (debug_scop_params): Same.
3772         (print_iteration_domain): Same.
3773         (print_iteration_domains): Same.
3774         (debug_iteration_domain): Same.
3775         (debug_iteration_domains): Same.
3776         (print_scattering_function): Same.
3777         (print_scattering_functions): Same.
3778         (debug_scattering_function): Same.
3779         (debug_scattering_functions): Same.
3780         * graphite-poly.h (debug_pdr): Update declaration.
3781         (print_pdr): Same.
3782         (print_pbb_domain): Same.
3783         (print_pbb): Same.
3784         (print_scop_context): Same.
3785         (print_scop): Same.
3786         (print_cloog): Same.
3787         (debug_pbb_domain): Same.
3788         (debug_pbb): Same.
3789         (print_pdrs): Same.
3790         (debug_pdrs): Same.
3791         (debug_scop_context): Same.
3792         (debug_scop): Same.
3793         (debug_cloog): Same.
3794         (print_scop_params): Same.
3795         (debug_scop_params): Same.
3796         (print_iteration_domain): Same.
3797         (print_iteration_domains): Same.
3798         (debug_iteration_domain): Same.
3799         (debug_iteration_domains): Same.
3800         (print_scattering_function): Same.
3801         (print_scattering_functions): Same.
3802         (debug_scattering_function): Same.
3803         (debug_scattering_functions): Same.
3804
3805 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3806
3807         * graphite-poly.c (print_scattering_function_1): New.
3808         (print_scattering_function): Call it.
3809         (print_scop_params): Remove spaces at the end of lines.
3810         (print_cloog): New.
3811         (debug_cloog): New.
3812         * graphite-poly.h (print_cloog): Declared.
3813         (debug_cloog): Declared.
3814
3815 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3816
3817         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3818         in loop->header.
3819         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3820         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3821         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3822         to switch between adding the IV bump in loop->latch or in loop->header.
3823
3824 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3825
3826         * graphite-poly.c (print_scattering_function): Pretty print following
3827         the scoplib format.
3828         (print_pdr): Same.
3829         (print_pbb_domain): Same.
3830         (dump_gbb_cases): Same.
3831         (dump_gbb_conditions): Same.
3832         (print_pdrs): Same.
3833         (print_pbb): Same.
3834         (print_scop_params): Same.
3835         (print_scop_context): Same.
3836         (print_scop): Same.
3837         (print_pbb_body): New.
3838         (lst_indent_to): New.
3839         (print_lst): Start new lines with a #.
3840         * graphite-poly.h (pbb_bb): New.
3841         (pbb_index): Use pbb_bb.
3842         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3843         disjuncts.
3844         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3845
3846 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3847
3848         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3849         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3850         and 0 instead of 1 for dw_val_class_flag.
3851         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3852         dw_val_class_range_list, dw_val_class_loc_list,
3853         dw_val_class_lineptr and dw_val_class_macptr, use
3854         DW_FORM_flag_present for dw_val_class_flag and
3855         DW_FORM_exprloc for dw_val_class_loc.
3856         (output_die): For -gdwarf-4 print dw_val_class_loc
3857         size as uleb128 instead of 1 or 2 bytes and don't print
3858         anything for dw_val_class_flag.
3859
3860         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3861         instead of cselib_lookup following by tweaking locs->setting_insn.
3862
3863         PR bootstrap/43596
3864         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3865         even before returning from label, setjmp call or volatile asm
3866         handling.
3867
3868 2010-03-31  Richard Guenther  <rguenther@suse.de>
3869
3870         PR middle-end/43600
3871         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3872         temporary data on stack.
3873
3874 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3875
3876         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3877         (PUSHSECTION_ASM_OP): Remove.
3878         (POPSECTION_ASM_OP): Remove.
3879         (PUSHSECTION_FORMAT): Remove.
3880         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3881         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3882         * config/sol2.c (solaris_output_init_fini): Use it.
3883
3884 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3885
3886         PR 43574
3887         * opt-functions.awk (var_type_struct): Use signed char type
3888         for simple variables.
3889
3890 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3891
3892         * config/sol2.c: Include output.h.
3893         (solaris_assemble_visibility): New function.
3894         * config/t-sol2 (sol2.o): Add output.h dependency.
3895         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3896         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3897         Redefine.
3898
3899 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3900
3901         PR target/43580
3902         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3903         V2SImode or XFmode on PRE_DEC.
3904
3905         PR debug/43557
3906         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3907         BLKmode.
3908
3909 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3910
3911         PR 43562
3912         * reload.h (caller_save_initialized_p): Declare.
3913         * toplev.c (backend_init_target): Don't call
3914         init_caller_save but set caller_save_initialized_p to false.
3915         * caller-save.c (caller_save_initialized_p): Define.
3916         (init_caller_save): Check caller_save_initialized_p.
3917         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3918
3919 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3920
3921         PR target/39048
3922         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3923         and soft-fp/t-softfp to tmake_file.
3924         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3925         (LIBGCC2_TF_CEXT): Define.
3926         (TF_SIZE): Define.
3927
3928 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3929
3930         PR debug/42977
3931         * cselib.c (n_useless_values): Document handling of debug locs.
3932         (n_useless_debug_values, n_debug_values): New variables.
3933         (new_elt_loc_list): Don't add to debug values, keep count.
3934         (promote_debug_loc): New.
3935         (cselib_reset_table): Zero new variables.
3936         (entry_and_rtx_equal_p): Promote debug locs.
3937         (discard_useless_locs): Increment n_useless_debug_values for
3938         debug values.
3939         (remove_useless_values): Adjust n_useless_values and n_debug_values
3940         with n_useless_debug_values.
3941         (add_mem_for_addr): Promote debug locs.
3942         (cselib_lookup_mem): Likewise.
3943         (cselib_lookup_addr): Renamed to...
3944         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3945         (cselib_log_lookup): ... this.  Turn into...
3946         (cselib_lookup_addr): ... new wrapper.
3947         (cselib_lookup_from_insn): New.
3948         (cselib_invalidate_regno): Increment n_useless_debug_values for
3949         debug values.
3950         (cselib_invalidate_mem): Likewise.
3951         (cselib_process_insn): Take n_deleted and n_debug_values into
3952         account to guard remove_useless_value call.
3953         (cselib_finish): Zero n_useless_debug_values.
3954         * cselib.h (cselib_lookup_from_insn): Declare.
3955         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3956         (sched_analyze_2): Likewise.
3957
3958 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3959
3960         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3961         functions.
3962         (adjust_mems): Replace narrowing SUBREG of expression containing
3963         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3964         with operations in the narrower mode.
3965
3966         PR debug/43593
3967         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3968         regs_invalidated_by_call instead all call_used_reg_set registers.
3969
3970 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3971
3972         PR middle-end/43430
3973         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3974         pointer comparisons with types_compatible_p.
3975         * tree-vect-stmts.c (vectorizable_call): Same.
3976         (vectorizable_condition): Same.
3977
3978 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3979
3980         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3981         stack check if the mask would be zero.
3982
3983 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3984             Jack Howarth <howarth@bromo.med.uc.edu>
3985
3986         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3987         variables TLS.
3988
3989 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3990
3991         PR other/25232
3992         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3993         and __unordtf2.
3994         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3995         Include ___unordxf2 and ___unordtf2.
3996         * config/i386/libgcc-glibc.ver: Do not define inheritance from