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