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PR tree-optimization/43901
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-06  Ira Rosen  <irar@il.ibm.com>
2
3         PR tree-optimization/43901
4         * tree-vect-stmts.c (vectorizable_call): Assert that vector
5         type is not NULL if it's transformation phase, and return
6         FALSE if it's analysis.
7         (vectorizable_conversion, vectorizable_operation, 
8         vectorizable_type_demotion, vectorizable_type_promotion):
9         Likewise.
10
11 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
12
13         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
14         Delete.
15         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
16         New define.
17         * config/mips/mips-protos.h
18         (mips_small_register_classes_for_mode_p): Delete prototype.
19
20 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
21
22         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
23         * config/arm/arm.c (multiple_operation_profitable_p,
24         compute_offset_order): New static functions.
25         (load_multiple_sequence, store_multiple_sequence): Use them.
26         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
27         memory offsets, not register numbers.
28         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
29
30 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
31
32         * stor-layout.c (pending_sizes): Change the type to
33         VEC(tree,gc) *.
34         (get_pending_sizes, put_pending_size, put_pending_sizes):
35         Update the uses of pending_sizes.
36         * c-decl.c (store_parm_decls): Likewise.
37         * c-tree.h (struct c_arg_info): Likewise.
38         * tree.h: Update the prototype for get_pending_sizes and
39         put_pending_sizes.
40
41 2010-05-05  Jason Merrill  <jason@redhat.com>
42
43         PR debug/43370
44         * c-common.c (handle_aligned_attribute): Respect
45         ATTR_FLAG_TYPE_IN_PLACE.
46
47         PR testsuite/43758
48         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
49         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
50         (TARGET_INITIALIZER): Use it.
51         * c-common.c (attribute_takes_identifier_p): Call it.
52         * c-common.h: Update prototype.
53         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
54         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
55
56 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
57
58         PR debug/43950
59         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
60         DW_ID_down_case for Fortran compilation units.
61
62 2010-05-05  Jan Hubicka  <jh@suse.cz>
63
64         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
65         handle aliases.
66
67 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
68
69         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
70         a variable-sized RESULT_DECL.
71
72 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
73
74         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
75
76 2010-05-05  Jason Merrill  <jason@redhat.com>
77
78         PR c++/43787
79         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
80         returns GS_OK.
81         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
82
83 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
84             Jakub Jelinek  <jakub@redhat.com>
85
86         PR debug/43478
87         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
88         (dead_debug_init, dead_debug_finish): New functions.
89         (dead_debug_add, dead_debug_insert_before): Likewise.
90         (df_note_bb_compute): Initialize a dead_debug object, add dead
91         debug uses to it, insert debug bind insns before death insns,
92         reset debug insns that refer to pending uses at the end.
93         * rtl.h (make_debug_expr_from_rtl): New prototype.
94         * varasm.c (make_debug_expr_from_rtl): New function.
95
96 2010-05-05  Jan Hubicka  <jh@suse.cz>
97
98         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
99         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
100         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
101         lto_varpool_encoder_encode_initializer_p,
102         lto_set_varpool_encoder_encode_initializer): New functions.
103         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
104         call output_varpool.
105         (input_varpool_node): Do not always set analyzed.
106         (input_cgraph_1): Return vector of cgraph nodes.
107         (input_varpool_1): Return vector of varpools.
108         (input_cgraph): Free the vectors.
109         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
110         output only initializers needed.
111         (lto_output): Only call output_cgraph.
112         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
113         * lto-section-out.c (lto_new_out_decl_state): Initialize
114         state->varpool_node_encoder.
115         * lto-streamer.h (lto_varpool_encoder_d): New.
116         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
117         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
118         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
119         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
120         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
121         Declare.
122         (output_varpool, input_varpool): Remove declarations.
123
124 2010-05-05  Jan Hubicka  <jh@suse.cz>
125
126         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
127         with body can prevail.
128
129 2010-05-05  Jan Hubicka  <jh@suse.cz>
130
131         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
132         size.
133
134 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
135
136         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
137         dependencies.
138
139         * gengtype.h (erro_at_line): Constify pos argument.
140
141         * gengtype.c: Include hashtab.h.
142         (enum gc_used): Document GC_MAYBE_POINTED_TO.
143         (error_at_line): Constify pos argument.
144         (do_typedef): Initialize p->opt field.
145         (get_file_gtfilename): Fix comment typo.
146         (struct walk_type_data): Constify line field.
147         (get_output_file_for_structure): New function.
148         (write_local_func_for_structure): Constify orig_s argument.
149         Use get_output_file_for_structure.
150         (write_func_for_structure): Use get_output_file_for_structure.
151         (INDENT): New define.
152         (dump_pair, dump_type, dump_type_list, dump_typekind)
153         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
154         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
155         functions.
156         (seen_types): New variable.
157         (main): New variable do_dump.  Process "-d" command line option.
158         Call dump_everything if dump requested.
159
160 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
161
162         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
163         in a temporary instead of invoking the macro multiple times.
164         (track_expr_p): Likewise.
165
166 2010-05-04  Neil Vachharajani <nvachhar@google.com>
167
168         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
169         per new semantics.
170         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
171         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
172         conditions for printing notes.
173         * common.opt (-Wcoverage-mismatch): Allow negative, default to
174         true, update documentation.
175         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
176
177 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
178
179         PR c/43981
180         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
181         on dimen.
182
183 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
184
185         PR target/43799
186         * config/i386/i386.md (sse_prologue_save): Add clobber CC
187         register.
188         (*sse_prologue_save_insn1): Likewise.
189         (SSE prologue save splitter): Likewise.
190
191 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
192
193         * tree.c (free_lang_data_in_one_sizepos): New inline function.
194         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
195         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
196         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
197         all decls.  Call it on DECL_FIELD_OFFSET of fields.
198         (find_decls_types_r): Follow DECL_VALUE_EXPR.
199         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
200
201 2010-05-04  Martin Jambor  <mjambor@suse.cz>
202
203         * tree-sra.c (build_access_from_expr_1): The first parameter type
204         changed to simple tree.
205         (build_access_from_expr): Likewise, gsi parameter was eliminated.
206         (scan_assign_result): Renamed to assignment_mod_result, enum elements
207         renamed as well.
208         (build_accesses_from_assign): Removed all parameters except for a
209         simple gimple statement.  Now returns a simple bool.
210         (scan_function): All non-analysis parts moved to separate functions
211         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
212         parameters and updated both callers.
213         (sra_modify_expr): Removed parameter data.
214         (sra_modify_function_body): New function.
215         (perform_intra_sra): Call sra_modify_function_body to modify the
216         function body.
217         (replace_removed_params_ssa_names): Parameter data changed into
218         adjustments vector.
219         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
220         changed the parameter dont_convert to convert with the opposite
221         meaning.
222         (sra_ipa_modify_assign): Parameter data changed into adjustments
223         vector, return value changed to bool.
224         (ipa_sra_modify_function_body): New function.
225         (sra_ipa_reset_debug_stmts): Updated a comment.
226         (modify_function): Use ipa_sra_modify_function_body to modify function
227         body.
228
229 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
230
231         PR middle-end/43671
232         * alias.c (true_dependence): Handle the same VALUE in x and mem.
233         (canon_true_dependence): Likewise.
234         (write_dependence_p): Likewise.
235
236 2010-05-04  Jan Hubicka  <jh@suse.cz>
237
238         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
239         * cgraphbuild.c: Include ipa-utils.h
240         (record_reference_ctx): New struct.
241         (record_reference): Simplify to work on initializers; not statements.
242         (mark_address, mark_load, mark_store): New.
243         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
244         walk PHI nodes too.
245         (record_references_in_initializer): Update use of record_reference.
246         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
247         walk PHI nodes too.
248
249 2010-05-04  Jan Hubicka  <jh@suse.cz>
250
251         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
252         node will be removed anyway.
253         (lto_varpool_replace_node): Allow also unanalyzed nodes;
254         relink aliases of node into prevailing node.
255         * varpool.c (varpool_remove_node): Remove aliases properly;
256         when removing node, remove all its aliases too; remove DECL_INITIAL
257         of removed node; ggc_free the varpool node.
258
259 2010-05-04  Richard Guenther  <rguenther@suse.de>
260
261         PR tree-optimization/43879
262         * tree-ssa-structalias.c (alias_get_name): Use
263         DECL_ASSEMBLER_NAME if available.
264         (create_function_info_for): Return the varinfo node.
265         (ipa_pta_execute): Associate same-body aliases and extra names
266         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
267
268 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
269
270         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
271         static.
272
273 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
274
275         PR bootstrap/43964
276         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
277         only if HONOR_REG_ALLOC_ORDER is not defined.
278
279 2010-05-04  Richard Guenther  <rguenther@suse.de>
280
281         PR tree-optimization/43949
282         * tree-vrp.c (extract_range_from_binary_expr): Only handle
283         TRUNC_MOD_EXPR.
284
285 2010-04-26  Jason Merrill  <jason@redhat.com>
286
287         * c.opt (-fstrict-enums): New.
288         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
289
290 2010-05-03  David Ung <davidu@mips.com>
291             James E. Wilson  <wilson@codesourcery.com>
292
293         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
294         emit the trap instruction before the divide for TUNE_74K.
295
296 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
297
298         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
299         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
300         based on the above, for new target hook.
301
302         * hooks.c (hook_bool_mode_true): New generic hook.
303         * hooks.h (hook_bool_mode_true): Add prototype.
304
305         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
306         target hook.
307         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
308         target hook, set to hook_bool_mode_false.
309         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
310         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
311         with targetm.small_register_classes_for_mode_p.
312         (find_reusable_reload): Likewise.
313         (combine_reloads): Likewise.
314         * reload1.c (reload_as_needed): Likewise.
315         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
316         * ifcvt.c (noce_process_if_block, check_cond_move_block,
317         dead_or_predicable): Likewise.
318         * regmove.c (optimize_reg_copy_1): Likewise.
319         * calls.c (prepare_call_address): Likewise.
320         (precompute_register_parameters): Likewise.
321
322         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
323         hook definition.
324         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
325         implementation of the hook that considers all register classes
326         small except for SH64.
327         (sh_override_options): Use the new hook.
328         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
329         Add prototype.
330
331         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
332         hook definition.
333         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
334         implementation of the hook that considers all register classes
335         small for THUMB1.
336         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
337         Add prototype.
338
339         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
340         hook definition.
341         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
342         implementation of the hook that considers all register classes
343         small for MIPS16.
344         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
345         Add prototype.
346
347         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
348         hook definition.
349         * config/m32c/m32c.h: Likewise.
350         * config/pdp11/pdp11.h: Likewise.
351         * config/avr/avr.h: Likewise.
352         * config/xtensa/xtensa.h: Likewise.
353         * config/m68hc11/m68hc11.h: Likewise.
354         * config/mn10300/mn10300.h: Likewise.
355         * config/mcore/mcore.h: Likewise.
356         * config/h8300/h8300.h: Likewise.
357         * config/bfin/bfin.h: Likewise.
358
359         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
360         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
361
362 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
363
364         * double-int.h (tree_to_double_int): Remove macro.
365         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
366         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
367         (tree_to_double_int): New function.
368         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
369         Move ...
370         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
371
372 2010-05-03  Richard Guenther  <rguenther@suse.de>
373
374         PR tree-optimization/43971
375         * tree-ssa-structalias.c (get_constraint_for_1): Fix
376         constraints in the !flag_delete_null_pointer_checks case.
377
378 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
379
380         PR debug/43972
381         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
382         result mode matches original rtl mode.
383
384 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
385
386         PR target/43888
387         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
388
389 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
390
391         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
392         when processing flag options.
393
394 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
395
396         * gcov-iov.c (main): Change format string placeholder
397         from %#08x to 0x%08x.
398         * genchecksum.c (dosum): Change format string placeholder
399         from %#02x to 0x%02x.
400
401 2010-05-02  Richard Guenther  <rguenther@suse.de>
402
403         PR tree-optimization/43879
404         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
405
406 2010-05-02  Bruno Haible  <bruno@clisp.org>
407
408         * doc/extend.texi (Function Attributes): Fix a typo.
409
410 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
411
412         Revert:
413         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
414         placeholder from 0x%x to %#x.
415         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
416         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
417         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
418         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
419         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
420         * config/i386/i386.c (ix86_target_string): Ditto.
421         * config/i386/i386.c (output_pic_addr_const): Ditto.
422         (print_operand): Ditto.
423
424 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
425
426         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
427         placeholder from 0x%x to %#x.
428         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
429         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
430         (ASM_OUTPUT_DEBUG_DATA): Ditto.
431         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
432         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
433         * optc-gen.awk: Ditto.
434         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
435         (HOST_WIDE_INT_PRINT_HEX): Ditto.
436         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
437         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
438
439 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
440
441         * target.h (struct calls): Add function_value_regno_p field.
442         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
443         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
444         * targhooks.c (default_function_value_regno_p): New function.
445         * targhooks.h (default_function_value_regno_p): Declare function.
446         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
447         * builtins.c. (apply_result_size): (Ditto.).
448         * combine.c. (likely_spilled_retval_p): (Ditto.).
449         * mode-switching.c. Include 'target.h'.
450         (create_pre_exit): Use function_value_regno_p hook.
451         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
452         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
453         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
454
455         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
456         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
457         (ix86_function_value_regno_p): Declare as static, change argument
458         type to const unsigned int.
459         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
460
461 2010-05-01  Richard Guenther  <rguenther@suse.de>
462
463         PR tree-optimization/43949
464         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
465         types.
466         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
467
468 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
469
470         * rtl.h (CONST_DOUBLE_P): Define.
471         (rtx_to_double_int): Declare.
472         * emit-rtl.c (rtx_to_double_int): New function.
473         * dwarf2out.c (insert_double): New function.
474         (loc_descriptor, add_const_value_attribute): Clean up, use
475         rtx_to_double_int and insert_double functions.
476
477 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
478
479         * doc/extend.texi (Inline): Add missing return keyword to examples.
480         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
481         "command-line".
482
483 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
484
485         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
486         the variable part of the offset as well.  Use highest_pow2_factor for
487         all alignment checks.
488
489 2010-04-30  Richard Guenther  <rguenther@suse.de>
490
491         PR tree-optimization/43879
492         * tree-ssa-structalias.c (type_could_have_pointers): Functions
493         can have pointers.
494
495 2010-04-30  Jan Hubicka  <jh@suse.cz>
496
497         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
498         varpool.
499         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
500
501 2010-04-30  Jan Hubicka  <jh@suse.cz>
502
503         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
504         New.
505         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
506         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
507         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
508         cgraph_node_set_needs_ltrans_p): Remove.
509
510 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
511
512         * sdbout.c: Include vec.h, do not include varray.h.
513         (deferred_global_decls, sdbout_global_decl,
514         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
515         * toplev.c: Do not include varray.h.
516         (dump_memory_report): Do not dump VARRAY statistics.
517         * gengtype.c (open_base_file): Ignore varray.h.
518         * Makefile.in: Update for abovementioned changes.
519         Remove all traces of varray.c and varray.h.
520         * varray.c: Remove file.
521         * varray.h: Remove file.
522
523 2010-04-30  Jan Hubicka  <jh@suse.cz>
524
525         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
526         references.
527
528 2010-04-30  Jan Hubicka  <jh@suse.cz>
529
530         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
531         needed.
532
533 2010-04-30  Richard Guenther  <rguenther@suse.de>
534
535         * tree-ssa-structalias.c (get_constraint_for_1): Generate
536         constraints for CONSTRUCTOR.
537
538 2010-04-30  Richard Guenther  <rguenther@suse.de>
539
540         PR lto/43946
541         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
542         first after all lowering passes.
543
544 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
545
546         * toplev.c: Include varray.h for statistics dumping.
547         * tree.h: Do not declare varray_head_tag.
548         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
549         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
550         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
551         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
552         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
553         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
554         c-common.c, c-common.h, reg-stack.c, basic-block.h,
555         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
556         include varray.h.
557         * Makefile.in: Update for abovementioned changes.
558
559 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
560
561         PR debug/43942
562         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
563
564 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
565
566         * config/picochip/picochip.c (picochip_legitimize_address): Define.
567         Use this function to do machine-specific conversion.
568         (picochip_legitimize_reload_address): Likewise.
569         (picochip_legitimate_address_p): Check valid base register only if
570         strict.
571         (picochip_check_conditional_copy): Check for modw only if opnd is
572         register.
573         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
574         to call the function in c.
575         * config/picochip/picochip-protos.h
576         (picochip_legitimize_reload_address): Define.
577         * config/picochip/picochip.md (supported_compare1): Define.
578
579 2010-04-30  Jan Hubicka  <jh@suse.cz>
580
581         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
582         (cgraph_global_info): Remove inlined.
583         (LTO_cgraph_tag_names): Remove.
584         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
585         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
586         simplify cgraph tags and document.
587         (lto_output_node): Use only LTO_cgraph_unavail_node and
588         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
589         for_functions_valid, global info, process and output flags.
590         (input_overwrite_node): Initialize estimated stack size and
591         estimated growth.  Do not read flags we no longer store.
592         (input_node): Likewise do not read info no longer stored.
593         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
594         flag.
595
596 2010-04-30  Richard Guenther  <rguenther@suse.de>
597
598         PR tree-optimization/43879
599         * tree-ssa-structalias.c (get_constraint_for_1): Properly
600         handle non-zero initializers.
601
602 2010-04-30  Richard Guenther  <rguenther@suse.de>
603
604         * builtins.c (fold_builtin_1): Delete free (0).
605
606 2010-04-29  Jan Hubicka  <jh@suse.cz>
607
608         * gengtype.c (open_base_files): Add lto-streamer.h
609         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
610         (pass_ipa_cp): GGC collect.
611         * toplev. (compile_file): Do not output symbols.
612         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
613         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
614         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
615         * lto-section-in.c: Include ggc.h
616         (lto_new_in_decl_state): Alloc in GGC.
617         (lto_delete_in_decl_state): Likewise.
618         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
619         Collect.
620
621 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
622
623         PR target/42895
624         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
625         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
626         (HONOR_REG_ALLOC_ORDER): Describe new macro.
627         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
628         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
629         account only if HONOR_REG_ALLOC_ORDER is not defined.
630         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
631         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
632
633 2010-04-29  Jon Grant  <04@jguk.org>
634
635         * collect2.c (vflag): Change type from int to bool.
636         (debug): Likewise.
637         (helpflag): New global bool.
638         (main): Set vflag and debug with boolean, not integer truth values.
639         Accept new "--help" option and output usage text if found.
640         * collect2.h (vflag): Update prototype.
641         (debug): Likewise.
642
643 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
644
645         PR bootstrap/43936
646         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
647
648 2010-04-29  Richard Guenther  <rguenther@suse.de>
649
650         PR bootstrap/43935
651         * plugin.h (invoke_plugin_callbacks): Annotate arguments
652         with ATTRIBUTE_UNUSED.
653
654 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
655
656         PR target/43921
657         * config/i386/i386.c (get_some_local_dynamic_name): Replace
658         INSN_P with NONDEBUG_INSN_P.
659         (distance_non_agu_define): Likewise.
660         (distance_agu_use): Likewise.
661
662 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
663
664         From Dominique d'Humieres <dominiq@lps.ens.fr>
665         PR bootstrap/43858
666         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
667         test_set.
668
669 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
670
671         * plugin.h (invoke_plugin_callbacks): New inline function.
672         * plugin.c (flag_plugin_added): New global flag.
673         (add_new_plugin): Initialize above flag.
674         (invoke_plugin_callbacks): Rename to ...
675         (invoke_plugin_callbacks_full): ... this.
676
677 2010-04-28  Jan Hubicka  <jh@suse.cz>
678
679         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
680         (lto_varpool_replace_node): New.
681         (lto_symtab_resolve_symbols): Resolve varpool nodes.
682         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
683         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
684         * cgraph.h (varpool_node_ptr): New type.
685         (varpool_node_ptr): New vector.
686         (varpool_node_set_def): New structure.
687         (varpool_node_set): New type.
688         (varpool_node_set): New vector.
689         (varpool_node_set_element_def): New structure.
690         (varpool_node_set_element, const_varpool_node_set_element): New types.
691         (varpool_node_set_iterator): New type.
692         (varpool_node): Add prev pointers, add used_from_other_partition,
693         in_other_partition.
694         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
695         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
696         varpool_get_node, varpool_remove_node): Declare.
697         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
698         varpool_node_set_size): New inlines.
699         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
700         * tree-pass.h (varpool_node_set_def): Forward declare.
701         (ipa_opt_pass_d): Summary writting takes vnode sets too.
702         (ipa_write_optimization_summaries): Update prototype.
703         * ipa-cp.c (ipcp_write_summary): Update.
704         * ipa-reference.c (ipa_reference_write_summary): Update.
705         * lto-cgraph.c (lto_output_varpool_node): New static function.
706         (output_varpool): New function.
707         (input_varpool_node): New static function.
708         (input_varpool_1): New function.
709         (input_cgraph): Input varpool.
710         * ipa-pure-const.c (pure_const_write_summary): Update.
711         * lto-streamer-out.c (lto_output): Update, output varpool too.
712         (write_global_stream): Kill WPA hack.
713         (produce_asm_for_decls): Update.
714         (output_alias_pair_p): Handle variables.
715         (output_unreferenced_globals): Output only needed partition of varpool.
716         * ipa-inline.c (inline_write_summary): Update.
717         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
718         cgraph.
719         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
720         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
721         varpool_node_set_new, varpool_node_set_add,
722         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
723         debug_varpool_node_set): New functions.
724         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
725         (execute_one_pass): Process new decls too.
726         (ipa_write_summaries_2): Pass around vsets.
727         (ipa_write_summaries_1): Likewise.
728         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
729         to add.
730         (ipa_write_optimization_summaries_1): Pass around vsets.
731         (ipa_write_optimization_summaries): Likewise.
732         * varpool.c (varpool_get_node): New.
733         (varpool_node): Update doubly linked lists.
734         (varpool_remove_node): New.
735         (dump_varpool_node): More dumping.
736         (varpool_enqueue_needed_node): Update doubly linked lists.
737         (decide_is_variable_needed): Kill ltrans hack.
738         (varpool_finalize_decl): Kill lto hack.
739         (varpool_assemble_decl): Skip decls in other partitions.
740         (varpool_assemble_pending_decls): Update doubly linkes lists.
741         (varpool_empty_needed_queue): Likewise.
742         (varpool_extra_name_alias): Likewise.
743         * lto-streamer.c (lto_get_section_name): Add vars section.
744         * lto-streamer.h (lto_section_type): Update.
745         (output_varpool, input_varpool): Declare.
746
747 2010-04-28  Mike Stump  <mikestump@comcast.net>
748
749         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
750
751 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
752
753         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
754         record or union type with RECORD_OR_UNION_TYPE_P predicate.
755         (lto_input_ts_type_tree_pointers): Likewise.
756         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
757         (lto_output_ts_type_tree_pointers): Likewise.
758
759 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
760
761         Uniquization of constants at the Tree level
762         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
763         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
764         bit to the end.
765         (tree_output_constant_def): Declare.
766         * gimplify.c (gimplify_init_constructor): When using block copy, first
767         uniquize the constant constructor on the RHS.
768         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
769         DECL_IN_CONSTANT_POOL flag.
770         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
771         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
772         constant pool.
773         (assemble_variable): Deal with symbols belonging to the tree constant
774         pool.
775         (get_constant_section): Add ALIGN parameter and simplify.
776         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
777         (assemble_constant_contents): Use the expression of the VAR_DECL.
778         (output_constant_def_contents): Use the alignment of the VAR_DECL.
779         (tree_output_constant_def): New global function.
780         (mark_constant): Use the expression of the VAR_DECL.
781         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
782         its expression.
783         (output_object_block): Likewise and assemble the expression.
784
785 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
786
787         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
788         hash_tree, eq_tree): New tree hash table.
789         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
790         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
791         lto_orig_address_remove): Reimplement.
792
793 2010-04-28  Xinliang David Li  <davidxl@google.com>
794
795         PR c/42643
796         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
797         (compute_uninit_opnds_pos): New function.
798         (is_non_loop_exit_postdominating): New function.
799         (compute_control_dep_chain): New function.
800         (find_pdom): New function.
801         (convert_control_dep_chain_into_preds): New function.
802         (find_predicates): New function.
803         (find_control_equiv_block): New function.
804         (collect_phi_def_edges): New function.
805         (find_def_preds): New function.
806         (find_dom): New function.
807         (dump_predicates): New function.
808         (get_cmp_code): New function.
809         (is_value_included_in): New function.
810         (find_matching_predicate_in_rest_chains): New function.
811         (use_pred_not_overlap_with_undef_path_pred): New function.
812         (is_use_properly_guarded): New function.
813         (normalize_cond_1): New function.
814         (is_and_or_or): New function.
815         (normalize_cond): New function.
816         (is_gcond_subset_of): New function.
817         (is_subset_of_any): New function.
818         (is_or_set_subset_of): New function.
819         (is_and_set_subset_of): New function.
820         (is_norm_cond_subset_of): New function.
821         (is_pred_expr_subset_of): New function.
822         (is_pred_chain_subset_of): New function.
823         (is_included_in): New function.
824         (is_superset_of): New function.
825         (find_uninit_use): New function.
826         (warn_uninitialized_phi): New function.
827         (compute_possibly_undefined_names): New function.
828         (ssa_undefined_value_p): New function.
829         (execute_late_warn_uninitialized): New function.
830         * tree-ssa.c (ssa_undefined_value_p): Removed.
831         (warn_uninit): Changed to extern.
832         (warn_uninitialized_phi): Removed.
833         (warn_uninitialized_vars): Changed to extern.
834         (execute_late_warn_uninitialized): Removed
835         * tree-flow.h: Add new prototypes.
836         * timevar.def: Add new time variable.
837         * Makefile.in: Add new build file.
838
839 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
840
841         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
842         type if available.
843
844 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
845
846         PR target/22224
847         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
848
849 2010-04-28  Martin Jambor  <mjambor@suse.cz>
850
851         * cgraph.h (struct cgraph_node): New field indirect_calls.
852         (struct cgraph_indirect_call_info): New type.
853         (struct cgraph_edge): Removed field indirect_call. New fields
854         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
855         (cgraph_create_indirect_edge): Declare.
856         (cgraph_make_edge_direct): Likewise.
857         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
858         * ipa-prop.h (struct ipa_param_call_note): Removed.
859         (struct ipa_node_params): Removed field param_calls.
860         (ipa_create_all_structures_for_iinln): Declare.
861         * cgraph.c: Described indirect edges and uids in initial comment.
862         (cgraph_add_edge_to_call_site_hash): New function.
863         (cgraph_edge): Search also among the indirect edges, use
864         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
865         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
866         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
867         site hash.
868         (initialize_inline_failed): Assign a reason to indirect edges.
869         (cgraph_create_edge_1): New function.
870         (cgraph_create_edge): Moved some functionality to
871         cgraph_create_edge_1.
872         (cgraph_create_indirect_edge): New function.
873         (cgraph_edge_remove_callee): Add an assert checking for
874         non-indirectness.
875         (cgraph_edge_remove_caller): Special-case indirect edges.
876         (cgraph_remove_edge): Likewise.
877         (cgraph_set_edge_callee): New function.
878         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
879         (cgraph_make_edge_direct): New function.
880         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
881         the declaration of the call statement matches.
882         (cgraph_node_remove_callees): Special-case indirect edges.
883         (cgraph_clone_edge): Likewise.
884         (cgraph_clone_node): Clone also the indirect edges.
885         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
886         indirect_call, dump count of indirect_calls edges.
887         * ipa-prop.c (iinlining_processed_edges): New variable.
888         (ipa_note_param_call): Create indirect edges instead of
889         creating notes.  New parameter node.
890         (ipa_analyze_call_uses): New parameter node, pass it on to
891         ipa_note_param_call.
892         (ipa_analyze_stmt_uses): Likewise.
893         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
894         (print_edge_addition_message): Work on edges rather than on notes.
895         (update_call_notes_after_inlining): Likewise, renamed to
896         update_indirect_edges_after_inlining.
897         (ipa_create_all_structures_for_iinln): New function.
898         (ipa_free_node_params_substructures): Do not free notes.
899         (ipa_edge_duplication_hook): Propagate bits within
900         iinlining_processed_edges bitmap.
901         (ipa_node_duplication_hook): Do not duplicate notes.
902         (free_all_ipa_structures_after_ipa_cp): Renamed to
903         ipa_free_all_structures_after_ipa_cp.
904         (free_all_ipa_structures_after_iinln): Renamed to
905         ipa_free_all_structures_after_iinln.g
906         (ipa_write_param_call_note): Removed.
907         (ipa_read_param_call_note): Removed.
908         (ipa_write_indirect_edge_info): New function.
909         (ipa_read_indirect_edge_info): Likewise.
910         (ipa_write_node_info): Do not stream notes, do stream information
911         in indirect edges.
912         (ipa_read_node_info): Likewise.
913         (lto_ipa_fixup_call_notes): Removed.
914         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
915         * ipa-inline.c (pass_ipa_inline): Likewise.
916         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
917         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
918         * tree-inline.c (copy_bb): Removed an unnecessary double check for
919         is_gimple_call.
920         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
921         edges.
922         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
923         (output_cgraph): Stream also indirect edges.
924         (lto_output_edge): Added capability to stream indirect edges.
925         (input_edge): Likewise.
926         (input_cgraph_1): Likewise.
927         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
928         of indirect edges.
929
930 2010-04-28  Richard Guenther  <rguenther@suse.de>
931
932         PR tree-optimization/43879
933         PR tree-optimization/43909
934         * tree-ssa-structalias.c (struct variable_info): Add
935         only_restrict_pointers flag.
936         (new_var_info): Initialize it.  Increment stats.total_vars here.
937         (create_function_info_for): Do not increment stats.total_vars
938         here.
939         (get_function_part_constraint): Fix build with C++.
940         (insert_into_field_list): Remove.
941         (push_fields_onto_fieldstack): Properly merge fields.
942         (create_variable_info_for): Split and simplify.
943         (create_variable_info_for_1): New piece.
944         (intra_create_variable_infos): Properly make restrict constraints
945         from parameters.
946
947 2010-04-28  Richard Guenther  <rguenther@suse.de>
948
949         PR c++/43880
950         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
951
952 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
953             Jan Hubicka <hubicka@ucw.cz>
954
955         * doc/invoke.texi (-Wsuggest-attribute=const,
956         -Wsuggest-attribute=pure): Document.
957         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
958         (function_always_visible_to_compiler_p,
959         suggest_attribute, warn_function_pure, warn_function_const):
960         New functions.
961         (check_call): Improve debug info.
962         (analyze_function): Do not check availability.
963         (add_new_function): Check availability.
964         (propagate): Output warnings.
965         (skip_function_for_local_pure_const): New function.
966         (local_pure_const): Use it; output warnings.
967         * common.opt (Wsuggest-attribute=const,
968         Wsuggest-attribute=pure): New.
969
970 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
971
972         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
973         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
974         or DW_CFA_def_cfa_offset{,_sf}.
975
976 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
977
978         * tree.h: Fix truncated long macros.
979
980 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
981
982         * collect2.c (TARGET_64BIT): Redefine to target's default.
983         * tlink.c: Likewise.
984         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
985         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
986         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
987         for underscoring __USER_LABEL_PREFIX__.
988         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
989         (SUB_LINK_ENTRY32): New.
990         (SUB_LINK_ENTRY64): New.
991         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
992         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
993         (SUB_LINK_ENTRY64): New.
994         (SUB_LINK_ENTRY): New.
995         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
996         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
997         x64 target is choosen.
998         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
999         * configure: Regenerated.
1000         * configure.ac (leading-mingw64-underscores): Option added.
1001
1002 2010-04-27  Jan Hubicka  <jh@suse.cz>
1003
1004         * doc/invoke.texi (-fipa-profile): Document.
1005         * opts.c (decode_options): Enable ipa-profile at -O1.
1006         * timevar.def (TV_IPA_PROFILE): Define.
1007         * common.opt (fipa-profile): Add.
1008         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1009         flag for clones.
1010         (cgraph_propagate_frequency): Handle only local ones.
1011         * tree-pass.h (pass_ipa_profile): Declare.
1012         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1013         (pass_ipa_profile): Use TV_IPA_PROFILE.
1014         * ipa.c (ipa_profile): New function.
1015         (gate_ipa_profile): Likewise.
1016         (pass_ipa_profile): New global variable.
1017         * passes.c (pass_ipa_profile): New.
1018
1019 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1020
1021         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1022
1023 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1024
1025         PR middle-end/43812
1026         * ipa.c (dissolve_same_comdat_group_list): New function.
1027         (function_and_variable_visibility): Call
1028         dissolve_same_comdat_group_list when comdat group contains external or
1029         newly local nodes.
1030         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1031         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1032
1033 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1034
1035         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1036         (const_hash_1) <VECTOR_CST>: New case.
1037         (compare_constant) <VECTOR_CST>: Likewise.
1038         <ADDR_EXPR>: Deal with LABEL_REFs.
1039         (copy_constant) <VECTOR_CST>: New case.
1040
1041 2010-04-27  Jan Hubicka  <jh@suse.cz>
1042
1043         * cgraph.c (cgraph_propagate_frequency): New function.
1044         * cgraph.h (cgraph_propagate_frequency): Declare.
1045         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1046         cgraph_propagate_frequency.
1047
1048 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1049
1050         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1051
1052 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1053
1054         PR target/40657
1055         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1056         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1057         here to determine which regs to push and how much stack to reserve.
1058
1059 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1060
1061         * doc/gimple.texi (gimple_statement_with_ops): Remove
1062         addresses_taken field.
1063         (gimple_statement_with_memory_ops): Likewise.
1064
1065 2010-04-27  Jan Hubicka  <jh@suse.cz>
1066
1067         * tree-inline.c (eni_inlining_weights): Remove.
1068         (estimate_num_insns): Special case more builtins.
1069
1070 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1071
1072         PR c/32207
1073         * c-typeck.c (build_binary_op): Move forward check for comparison
1074         pointer with null pointer constant and adjust the diagnostic message.
1075
1076 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1077
1078         PR lto/42776
1079         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1080         binutils supports extended .section directive needed by LTO, or
1081         warn if older binutils found.
1082         (LTO_BINARY_READER): New AC_SUBST'd variable.
1083         (LTO_USE_LIBELF): Likewise.
1084         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1085         variable.
1086         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1087         (LTO_USE_LIBELF): Likewise.
1088         * configure: Regenerate.
1089
1090         * collect2.c (is_elf): Rename from this ...
1091         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1092          object files in addition to ELF-formatted ones.
1093         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1094         symbol to be prefixed or not by an extra underscore.
1095
1096         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1097         * config/i386/winnt.c: Also #include lto-streamer.h
1098         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1099         LTO named sections.
1100         (i386_pe_asm_output_aligned_decl_common): Add comment.
1101         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1102
1103 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1104
1105         PR target/43889
1106         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1107         Add missing earlyclobber for second alternative.
1108
1109 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1110
1111         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1112         bits for artificial defs at the top of the block.
1113         * fwprop.c (single_def_use_enter_block): Don't call it.
1114
1115 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1116
1117         PR 43715
1118         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1119         instead of "$gcc_cv_objdump -T".
1120         Use "-undefined dynamic_lookup" on darwin.
1121         * gcc/configure: Regenerate.
1122
1123 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1124
1125         PR c/43893
1126         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1127
1128 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1129
1130         * c-parser.c (struct c_token): Move location field up.
1131         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1132         (struct c_declspecs): Convert typespec_word, storage_class, and
1133         default_int_p into bitfields.
1134         (struct c_declarator): Move loc field up.
1135
1136 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1137
1138         * cfgloop.h (struct loop): Move can_be_parallel field up.
1139         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1140         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1141         down.
1142         (struct iv_cand): Convert pos field into a bitfield.
1143         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1144         field up.
1145         (struct _stmt_vec_info): Shuffle fields for better packing.
1146
1147 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1148
1149         * varasm.c (IN_NAMED_SECTION): Remove guard.
1150         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1151         (IN_NAMED_SECTION_P): ...this.
1152         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1153         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1154
1155 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1156
1157         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1158         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1159         of shadowing it.  Fix comments.
1160
1161 2010-04-26  Jan Hubicka  <jh@suse.cz>
1162
1163         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1164         (cgraph_clone_node): Copy function frequency.
1165         * cgraph.h (node_frequency): New enum
1166         (struct cgraph_node): Add.
1167         * final.c (rest_of_clean_state): Update.
1168         * lto-cgraph.c (lto_output_node): Output node frequency.
1169         (input_overwrite_node): Input node frequency.
1170         * tre-ssa-loop-ivopts (computation_cost): Update.
1171         * lto-streamer-out.c (output_function): Do not output function
1172         frequency.
1173         * predict.c (maybe_hot_frequency_p): Update and handle functions
1174         executed once.
1175         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1176         attribute lookup.
1177         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1178         (compute_function_frequency): Set noreturn functions to be executed
1179         once.
1180         (choose_function_section): Update.
1181         * lto-streamer-in.c (input_function): Do not input function frequency.
1182         * function.c (allocate_struct_function): Do not initialize function
1183         frequency.
1184         * function.h (function_frequency): Remove.
1185         (struct function): Remove function frequency.
1186         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1187         (try_update): Update.
1188         * tree-inline.c (initialize_cfun): Do not update function frequency.
1189         * passes.c (pass_init_dump_file): Update.
1190         * i386.c (ix86_compute_frame_layout): Update.
1191         (ix86_pad_returns): Update.
1192
1193 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1194
1195         PR tree-optimization/43833
1196         * tree-vrp.c (range_int_cst_p): New.
1197         (range_int_cst_singleton_p): New.
1198         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1199         when both operands are constants.  Use range_int_cst_p in
1200         BIT_IOR_EXPR case.
1201
1202 2010-04-26  Jan Hubicka  <jh@suse.cz>
1203
1204         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1205
1206 2010-04-26  Richard Guenther  <rguenther@suse.de>
1207
1208         PR lto/43080
1209         * gimple.c (gimple_decl_printable_name): Deal gracefully
1210         with a NULL DECL_NAME.
1211
1212 2010-04-26  Richard Guenther  <rguenther@suse.de>
1213
1214         PR lto/42425
1215         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1216         if emitting debug information and it is either a function
1217         or a namespace decl.
1218
1219 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1220
1221         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1222         determine if the statement is vectorizable, and a macro to access it.
1223         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1224         Skip statements that can't be vectorized. If the analysis fails,
1225         mark the statement as unvectorizable if vectorizing basic block.
1226         (vect_compute_data_refs_alignment): Likewise.
1227         (vect_verify_datarefs_alignment): Skip statements marked as
1228         unvectorizable. Add print.
1229         (vect_analyze_group_access): Skip statements that can't be
1230         vectorized. If the analysis fails, mark the statement as
1231         unvectorizable if vectorizing basic block.
1232         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1233         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1234         generated stmts for SLP.
1235         (new_stmt_vec_info): Initialize the new field.
1236         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1237         statements marked as unvectorizable.
1238
1239 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1240
1241         * c-common.c (flag_isoc1x): New.
1242         (flag_isoc99): Update comment.
1243         * c-common.h (flag_isoc1x): New.
1244         (flag_isoc99): Update comment.
1245         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1246         __<type>_DECIMAL_DIG__.
1247         * c-opts.c (set_std_c1x): New.
1248         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1249         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1250         * c.opt (-std=c1x, -std=gnu1x): New options.
1251         * doc/cpp.texi: Mention -std=c1x.
1252         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1253         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1254         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1255         * doc/standards.texi: Mention C1X.
1256         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1257         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1258         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1259         Define for C1X.
1260
1261 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1262
1263         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1264         placeholder from 0x%x to %#x.
1265         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1266         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1267         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1268         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1269         * config/i386/i386.c (ix86_target_string): Ditto.
1270         (output_pic_addr_const): Ditto.
1271         (print_operand): Ditto.
1272
1273 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1274
1275         * combine.c (find_split_point): Add third argument.  Use it
1276         to find nested multiply-accumulate instructions.  Adjust calls.
1277         (try_combine): Adjust call to find_split_point.
1278
1279 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1280
1281         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1282
1283 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1284
1285         PR tree-optimization/41442
1286         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1287         (fold_binary_loc): Call it.
1288
1289 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1290
1291         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1292         * opts.c (common_handle_option): Allow disabling it.
1293         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1294
1295 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1296
1297         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1298         between modes if both types are integral.
1299
1300 2010-04-23  Richard Guenther  <rguenther@suse.de>
1301
1302         PR tree-optimization/43572
1303         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1304
1305 2010-04-23  Richard Guenther  <rguenther@suse.de>
1306
1307         PR lto/43455
1308         * tree-inline.c (tree_can_inline_p): Also check compatibility
1309         of return types.
1310
1311 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1312
1313         PR tree-optimization/43846
1314         * tree-sra.c (struct access): New flag grp_assignment_read.
1315         (build_accesses_from_assign): Set grp_assignment_read.
1316         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1317         (enum mark_read_status): New type.
1318         (analyze_access_subtree): Propagate grp_assignment_read, create
1319         accesses also if both direct_read and root->grp_assignment_read.
1320
1321 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1322
1323         PR middle-end/43835
1324         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1325         function does not have type attributes.
1326
1327 2010-04-23  Richard Guenther  <rguenther@suse.de>
1328
1329         PR lto/42653
1330         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1331         of FUNCTION_DECLs.
1332
1333 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1334
1335         * sese.h (create_if_region_on_edge): Remove.
1336
1337         * sese.c (create_if_region_on_edge): Make static.
1338
1339         * tree-inline.c: Do not include ggc.h.
1340
1341         * expr.c: Do not include ggc.h.
1342
1343         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1344         dependencies.
1345
1346 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1347
1348         PR target/43744
1349         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1350         in the middle of insns for casesi_worker_2.
1351
1352 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1353
1354         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1355
1356 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1357
1358         PR tree-optimization/43842
1359         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1360         loop unrolling in update of exit phis. Fix comment.
1361         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1362         least two reduction statements in the loop before starting SLP
1363         analysis.
1364
1365 2010-04-22  Nick Clifton  <nickc@redhat.com>
1366
1367         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1368
1369 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1370
1371         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1372         to simplify a + ~a.
1373
1374 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1375
1376         * tree-parloops.c (loop_parallel_p): New argument
1377         parloop_obstack.  Pass it down.
1378         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1379         pass it down, free it.
1380
1381         * tree-loop-linear.c (linear_transform_loops): Pass down
1382         lambda_obstack.
1383
1384         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1385         of type struct obstack *.
1386
1387         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1388         scratch_obstack.  Initialize it, pass down, free it.
1389
1390         * lambda.h (lambda_loop_new): Remove.
1391         (lambda_matrix_new, lambda_matrix_inverse)
1392         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1393         argument of type struct obstack *.
1394
1395         * lambda-trans.c (lambda_trans_matrix_new): New argument
1396         lambda_obstack.  Pass it down, use obstack allocation for ret.
1397         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1398         it down.
1399
1400         * lambda-mat.c (lambda_matrix_get_column)
1401         (lambda_matrix_project_to_null): Remove.
1402         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1403         allocation for mat.
1404         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1405         lambda_obstack.
1406
1407         * lambda-code.c (lambda_loop_new): New function.
1408         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1409         (lambda_compute_auxillary_space, lambda_compute_target_space)
1410         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1411         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1412         (build_access_matrix): New argument lambda_obstack.  Use obstack
1413         allocation for am.
1414         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1415         argument lambda_obstack.  Pass it down.
1416
1417 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1418
1419         * optabs.h (expand_widening_mult): Declare.
1420
1421 2010-04-22  Richard Guenther  <rguenther@suse.de>
1422
1423         PR tree-optimization/43845
1424         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1425         lookup the CALL_EXPR function and arguments.
1426
1427 2010-04-22  Nick Clifton  <nickc@redhat.com>
1428
1429         * config/stormy16/stormy16.c
1430         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1431         * config/stormy16/stormy16.h: Tidy up formatting.
1432         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1433         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1434         (ineqbranchsi): Delete pattern.
1435         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1436         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1437         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1438         stormy16-lib2-ucmpsi2.c.
1439
1440 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1441
1442         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1443         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1444         extra set merge_set_noclobber, and use it to relax the final test
1445         slightly.
1446         * df.h (df_simulate_find_noclobber_defs): Declare.
1447         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1448         conditional defs.
1449         (df_simulate_find_noclobber_defs): New function.
1450
1451 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1452
1453         * config/i386/i386.md: Use {} around multi-line preparation statements.
1454
1455 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1456
1457         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1458         (process_init_element): New argument of type struct obstack *.
1459
1460         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1461         (set_init_index, set_init_label, set_nonincremental_init)
1462         (set_nonincremental_init_from_string, find_init_member)
1463         (output_init_element, output_pending_init_elements)
1464         (process_init_element): New argument braced_init_obstack.  Pass it
1465         down.
1466         (push_range_stack, add_pending_init): New argument
1467         braced_init_obstack.  Use obstack allocation.
1468
1469         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1470         braced_init_obstack.  Pass it down.
1471         (c_parser_braced_init): New variables ret, braced_init_obstack.
1472         Initialize obstack, pass it down and finally free it.
1473
1474 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1475
1476         PR middle-end/29274
1477         * tree-pass.h (pass_optimize_widening_mul): Declare.
1478         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1479         gate_optimize_widening_mul): New static functions.
1480         (pass_optimize_widening_mul): New.
1481         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1482         <case MULT_EXPR>: Remove support for widening multiplies.
1483         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1484         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1485         simplify_gen_unary rather than directly building extensions.
1486         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1487         WIDEN_MULT_EXPR.
1488         * expmed.c (expand_widening_mult): New function.
1489         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1490
1491 2010-04-21  Jan Hubicka  <jh@suse.cz>
1492
1493         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1494         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1495         * lto-wpa-fixup.c: Remove.
1496         * Makefile.in (lto-wpa-fixup.o): Remove.
1497         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1498         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1499         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1500
1501 2010-04-21  Jan Hubicka  <jh@suse.cz>
1502
1503         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1504         add write_optimization_summary, read_optimization_summary.
1505         (ipa_write_summaries_of_cgraph_node_set): Remove.
1506         (ipa_write_optimization_summaries): Declare.
1507         (ipa_read_optimization_summaries): Declare.
1508         * ipa-cp.c (pass_ipa_cp): Update.
1509         * ipa-reference.c (pass_ipa_reference): Update.
1510         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1511         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1512         Update.
1513         * ipa-inline.c (pass_ipa_inline): Update.
1514         * ipa.c (pass_ipa_whole_program): Update.
1515         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1516         * passes.c (ipa_write_summaries_1): Do not test wpa.
1517         (ipa_write_optimization_summaries_1): New.
1518         (ipa_write_optimization_summaries): New.
1519         (ipa_read_summaries): Do not test ltrans.
1520         (ipa_read_optimization_summaries_1): New.
1521         (ipa_read_optimization_summaries): New.
1522
1523 2010-04-21  Jan Hubicka  <jh@suse.cz>
1524
1525         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1526         for boundary nodes.
1527         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1528
1529 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1530
1531         PR debug/40040
1532         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1533         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1534
1535 2010-04-21  Jan Hubicka  <jh@suse.cz>
1536
1537         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1538
1539 2010-04-21  Jan Hubicka  <jh@suse.cz>
1540
1541         * varpool.c (decide_is_variable_needed): Variable is always needed
1542         during ltrans.
1543
1544 2010-04-21  Jan Hubicka  <jh@suse.cz>
1545
1546         * opts.c (decode_options): Enable pure-const pass for whopr.
1547
1548 2010-04-21  Jan Hubicka  <jh@suse.cz>
1549
1550         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1551         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1552         at WPA dumping.
1553         (cgraph_decide_inlining): Do not expect callee to be removed in all
1554         cases.
1555
1556 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1557
1558         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1559
1560 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1561
1562         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1563         amdfam10_decode attributes.
1564
1565 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1566
1567         PR middle-end/43570
1568         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1569         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1570         (lower_copyprivate_clauses): Use private var in outer
1571         context instead of original var.  Make sure the types
1572         are correct for VLAs.
1573
1574 2010-04-21  Richard Guenther  <rguenther@suse.de>
1575
1576         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1577         to non-pointer objects.
1578
1579 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1580
1581         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1582         last chain entry if it starts with the still current label.
1583         (add_location_or_const_value_attribute): Check that
1584         loc_list->first->next is NULL instead of comparing ->first with ->last.
1585         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1586         to add_var_loc_to_decl.
1587
1588         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1589         >= 4 add also address size and segment size fields into CIE header.
1590
1591         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1592         long as address size is the same as sizeof (void *) and
1593         segment size is 0.
1594         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1595         address size or segment size is unexpected, return DW_EH_PE_omit.
1596         (classify_object_over_fdes): If get_cie_encoding returned
1597         DW_EH_PE_omit, return -1.
1598         (init_object): If classify_object_over_fdes returned -1,
1599         pretend there were no FDEs at all.
1600
1601 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1602
1603         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1604         bswap{si,di}2 using SWI48 mode iterator.
1605         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1606         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1607         set modrm attribute of bswap insn to 0 and remove length attribute.
1608         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1609         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1610         set mode attribute to <MODE> and remove length attribute.
1611
1612 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1613
1614         PR rtl-optimization/43520
1615         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1616         zero available registers.
1617
1618 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1619
1620         * builtins.c (fold_builtin_cproj): Fold more cases.
1621
1622 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1623
1624         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1625         (fold_builtin_1): Fold builtin cproj.
1626         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1627         Use ATTR_CONST_NOTHROW_LIST.
1628
1629 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1630
1631         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1632         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1633         ffsi2_no_cmove for !TARGET_CMOVE.
1634         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1635         (ffssi2): Remove expander.
1636         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1637         mode iterator.
1638         (ctz<mode>2): Ditto from ctz{si,di}2.
1639         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1640         mode iterator.
1641         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1642         mode iterator.
1643
1644 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1645
1646         * dwarf2out.c (AT_linkage_name): Define.
1647         (clone_as_declaration): Handle DW_AT_linkage_name.
1648         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1649         of DW_AT_MIPS_linkage_name.
1650         (move_linkage_attr): Likewise.
1651         (dwarf2out_finish): Likewise.
1652
1653 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1654
1655         PR middle-end/41952
1656         * fold-const.c (fold_comparison): New folding rule.
1657
1658 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1659
1660         * double-int.h (double_int_setbit): Declare.
1661         * double-int.c (double_int_setbit): New function.
1662         * rtl.h (immed_double_int_const): Declare.
1663         * emit-rtl.c (immed_double_int_const): New function.
1664         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1665         and immed_double_int_const functions.
1666         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1667         expand_copysign_bit):  (Ditto.).
1668         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1669         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1670         * dojump.c (prefer_and_bit_test): (Ditto.).
1671         * expr.c (convert_modes, reduce_to_bit_field_precision,
1672         const_vector_from_tree): (Ditto.).
1673         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1674
1675 2010-04-20  Jan Hubicka  <jh@suse.cz>
1676
1677         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1678         (dump_cgraph_node): Dump new flags.
1679         * cgraph.h (struct cgraph_node): Add flags
1680         reachable_from_other_partition and in_other_partition.
1681         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1682         other partition can not be removed.
1683         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1684         the other partition must be output; silence sanity checking on
1685         leaking functions bodies from other paritition.
1686         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1687         (lto_output_node): Output new flags; do not sanity check that inline
1688         clones are output; drop lto_forced_extern_inline_p code; do not mock
1689         visibility flags at partition boundaries.
1690         (add_node_to): New function.
1691         (output_cgraph): Use it to sort functions so masters appear before
1692         clones.
1693         (input_overwrite_node): Input new flags.
1694         * passes.c (ipa_write_summaries): Do not call
1695         lto_new_extern_inline_states.
1696         * lto-section-out.c (forced_extern_inline,
1697         lto_new_extern_inline_states lto_delete_extern_inline_states,
1698         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1699         * lto-streamer.h (lto_new_extern_inline_states,
1700         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1701         lto_forced_extern_inline_p): Kill.
1702
1703 2010-04-20  Richard Guenther  <rguenther@suse.de>
1704
1705         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1706         from vars that can have pointers.
1707         (process_constraint): Dump useless constraints.
1708
1709 2010-04-20  Richard Guenther  <rguenther@suse.de>
1710
1711         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1712         (dump_sa_points_to_info): Remove asserts.
1713         (init_base_vars): nothing_id isn't an escape point nor does it
1714         have pointers.
1715
1716 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1717
1718         * tree.h (TYPE_REF_IS_RVALUE): Define.
1719         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1720         should_move_die_to_comdat, prune_unused_types_walk): Handle
1721         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1722         (modified_type_die, gen_reference_type_die): Emit
1723         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1724         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1725
1726 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1727
1728         PR target/43635
1729         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1730         calls for -fpic -m31 if they have been sibcall optimized.
1731
1732 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1733
1734         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1735         ar.lc fixed and call-used.
1736
1737         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1738
1739 2010-04-19  Jan Hubicka  <jh@suse.cz>
1740
1741         * opts.c (decode_options): Disable whpr incompatible passes.
1742         * lto/lto.c (lto_1_to_1_map): Skip clones.
1743         (read_cgraph_and_symbols): Do not mark everything as needed.
1744         (do_whole_program_analysis): Do map only after optimizing;
1745         set proper cgraph_state; use passmanager.
1746
1747 2010-04-19  DJ Delorie  <dj@redhat.com>
1748
1749         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1750         POINTER_PLUS_EXPR and fix them.
1751
1752 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1753
1754         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1755         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1756         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1757         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1758         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1759         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1760         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1761         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1762         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1763         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1764         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1765
1766 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1767
1768         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1769         (check_cond_move_block): Likewise.
1770         (cond_move_process_if_block): Likewise.
1771         (noce_find_if_block): Improve formatting.
1772         (find_if_header): Pass 0 to memset and tweak conditions.
1773         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1774
1775 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1776
1777         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1778         for -gdwarf-4.
1779
1780         PR middle-end/43337
1781         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1782         with non-local decl doesn't need chain.
1783
1784 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1785
1786         * ira-color.c (allocno_reload_assign): Avoid accumulating
1787         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1788
1789 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1790
1791         * gimple.h (create_tmp_reg): Declare.
1792         * gimplify.c (create_tmp_reg): New function.
1793         (gimplify_return_expr): Use create_tmp_reg.
1794         (gimplify_omp_atomic): Likewise.
1795         (gimple_regimplify_operands): Likewise.
1796         * tree-dfa.c (make_rename_temp): Likewise.
1797         * tree-predcom.c (predcom_tmp_var): Likewise.
1798         (reassociate_to_the_same_stmt): Likewise.
1799         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1800         (get_replaced_param_substitute): Likewise.
1801         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1802         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1803         * tree-ssa-pre.c (get_representative_for): Likewise.
1804         (create_expression_by_pieces): Likewise.
1805         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1806         (create_tailcall_accumulator): Likewise.
1807
1808 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1809
1810         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1811         new_stmt.
1812         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1813
1814 2010-04-19  Richard Guenther  <rguenther@suse.de>
1815
1816         PR tree-optimization/43796
1817         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1818         from SCEV in the lattice.
1819         (vrp_visit_phi_node): Dump change.
1820
1821 2010-04-19  Richard Guenther  <rguenther@suse.de>
1822
1823         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1824         * configure: Re-generated.
1825
1826 2010-04-19  Richard Guenther  <rguenther@suse.de>
1827
1828         PR tree-optimization/43783
1829         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1830         constant ARRAY_REF operands two and three if possible.
1831
1832 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1833
1834         PR target/43766
1835         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1836
1837 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1838
1839         PR target/43662
1840         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1841
1842 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1843
1844         PR tree-optimization/37027
1845         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1846         and macro to access it.
1847         (vectorizable_reduction): Add argument.
1848         (vect_get_slp_defs): Likewise.
1849         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1850         statements for possible use in SLP.
1851         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1852         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1853         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1854         add new argument.
1855         (vectorizable_reduction): Likewise.
1856         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1857         vect_get_slp_defs.
1858         (vectorizable_type_demotion, vectorizable_type_promotion,
1859         vectorizable_store): Likewise.
1860         (vect_analyze_stmt): Update call to vectorizable_reduction.
1861         (vect_transform_stmt): Likewise.
1862         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1863         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1864         from different interleaving chains in same node.
1865         (vect_slp_rearrange_stmts): New function.
1866         (vect_supported_load_permutation_p): Allow load permutations for
1867         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1868         inside SLP nodes if necessary.
1869         (vect_analyze_slp_instance): Handle reductions.
1870         (vect_analyze_slp): Try to build SLP instances originating from groups
1871         of reductions.
1872         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1873         (vect_get_constant_vectors): Create initial vectors for reductions
1874         according to reduction code. Add new argument.
1875         (vect_get_slp_defs): Add new argument, pass it to
1876         vect_get_constant_vectors.
1877         (vect_schedule_slp_instance): Remove SLP tree root statements.
1878
1879 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1880
1881         * tree.h (ENUM_IS_SCOPED): Define.
1882         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1883         for ENUM_IS_SCOPED enums.
1884
1885 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1886
1887         * fold-const.c (fold_comparison): Use ssizetype.
1888         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1889         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1890         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1891         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1892
1893         * tree.h (initialize_sizetypes): Remove parameter.
1894         (build_common_tree_nodes): Remove second parameter.
1895         * stor-layout.c (initialize_sizetypes): Remove parameter.
1896         Always create an unsigned type.
1897         (set_sizetype): Assert that the passed type is unsigned and simplify.
1898         * tree.c (build_common_tree_nodes): Remove second parameter.
1899         Adjust call to initialize_sizetypes.
1900         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1901         build_common_tree_nodes.
1902
1903 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1904
1905         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1906
1907 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1908
1909         PR tree-optimization/43771
1910         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1911         load permutation doesn't have gaps.
1912
1913 2010-04-18  Jan Hubicka  <jh@suse.cz>
1914
1915         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1916         (sse_prologue_save_insn expander): Use new pattern.
1917         (sse_prologue_save_insn1): New pattern and splitter.
1918         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1919         blocks.
1920         * i386.c (setup_incoming_varargs_64): Do not compute jump
1921         destination here.
1922         (ix86_gimplify_va_arg): Update alignment needed.
1923         (ix86_local_alignment): Do not align all local arrays to 128bit.
1924
1925 2010-04-17  Jan Hubicka  <jh@suse.cz>
1926
1927         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1928
1929 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1930
1931         * arm.md (negdi2): Remove redundant code to force values into a
1932         register.
1933
1934 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1935
1936         * arm/bpabi.S: Add EABI alignment attributes to objects.
1937         * arm/bpabi-v6m.S: Likewise.
1938         * arm/crti.asm: Likewise.
1939         * arm/crtn.asm: Likewise.
1940         * arm/lib1funcs.asm: Likewise.
1941         * arm/libunwind.S: Likewise.
1942
1943 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1944
1945         * arm-protos.h (tune_params): New structure.
1946         * arm.c (current_tune): New variable.
1947         (arm_constant_limit): Delete.
1948         (struct processors): Add pointer to the tune parameters.
1949         (arm_slowmul_tune): New tuning option.
1950         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1951         (all_cores): Adjust to pick up the tuning model.
1952         (arm_constant_limit): New function.
1953         (arm_override_options): Select the appropriate tuning model.  Delete
1954         initialization of arm_const_limit.
1955         (arm_split_constant): Use the new constant-limit model.
1956         (arm_rtx_costs): Pick up the current tuning model.
1957         * arm.md (is_strongarm, is_xscale): Delete.
1958         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1959         for Xscale variant architectures.
1960         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1961
1962 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1963
1964         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1965         can_shift.
1966         (arm_rtx_costs_1): Remove unused variable extra_cost.
1967         (arm_unwind_emit_set): Use variable offset.
1968         (thumb1_output_casesi): Remove unused variable flags.
1969
1970 2010-04-16  Jeff Law  <law@redhat.com>
1971
1972         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1973         needing assignment rather than doing a two-phase assignment.  Remove
1974         unused variable 'm'.
1975
1976 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1977
1978         PR bootstrap/43767
1979         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1980
1981 2010-04-16  Doug Kwan  <dougkwan@google.com>
1982
1983         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1984         (next_operand_entry_id): New static variable.
1985         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1986         (add_to_ops_vec): Assigned unique ID to operand entry.
1987         (struct oecount_s): New field ID.
1988         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1989         (undistribute_ops_list): Assign unique IDs to oecounts.
1990         (init_reassoc): reset next_operand_entry_id.
1991
1992 2010-04-16  Doug Kwan  <dougkwan@google.com>
1993
1994         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1995         missing left parenthesis.
1996
1997 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1998
1999         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2000         *btdi_rex64 using SWI48 mode iterator.
2001         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2002         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2003         *jcc_btdi_mask_rex64.
2004
2005 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2006
2007         * double-int.h (tree_to_double_int): Convert to macro.
2008         * double-int.c (tree_to_double_int): Remove.
2009
2010 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2011
2012         PR debug/43762
2013         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2014         with want_address 2 and in case a single element list might be
2015         possible, call it again with want_address 0.
2016
2017 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2018
2019         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2020         case 'W' print operands for HI mode.
2021         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2022         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2023         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2024         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2025
2026         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2027
2028         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2029         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2030         #xx:3 and #xx:4 mode.
2031
2032         * config/h8300/h8300.md (inverted load with HImode dest): Add
2033         support for H8300SX.
2034
2035         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2036         satisfy 'U' constraint.
2037
2038 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2039
2040         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2041         * configure: Regenerate.
2042         * config.in: Regenerate.
2043         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2044         works.
2045
2046 2010-04-16  Richard Guenther  <rguenther@suse.de>
2047
2048         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2049         (struct tree_decl_common): ... here.
2050         (DECL_PT_UID): Adjust.
2051         (SET_DECL_PT_UID): Likewise.
2052         (DECL_PT_UID_SET_P): Likewise.
2053
2054 2010-04-16  Richard Guenther  <rguenther@suse.de>
2055
2056         PR tree-optimization/43572
2057         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2058         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2059         * tree-flow.h (is_call_clobbered): Remove.
2060         * tree-flow-inline.h (is_call_clobbered): Likewise.
2061         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2062         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2063         (execute_return_slot_opt): Adjust.
2064         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2065         check for call clobbered vars here.
2066         (find_tail_calls): Move tailcall verification to the
2067         proper place.
2068
2069 2010-04-16  Diego Novillo  <dnovillo@google.com>
2070
2071         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2072
2073 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2074
2075         PR target/40603
2076         * config/arm/arm.md (cbranchqi4): New pattern.
2077         * config/arm/predicates.md (const0_operand,
2078         cbranchqi4_comparison_operator): New predicates.
2079
2080 2010-04-16  Richard Guenther  <rguenther@suse.de>
2081
2082         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2083         (dump_gimple_stmt): Likewise.
2084
2085 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2086
2087         * recog.h (struct recog_data): New field is_operator.
2088         (struct insn_operand_data): New field is_operator.
2089         * recog.c (extract_insn): Set recog_data.is_operator.
2090         * genoutput.c (output_operand_data): Emit code to set the
2091         is_operator field.
2092         * reload.c (find_reloads): Use it rather than testing for an
2093         empty constraint string.
2094
2095         PR target/41514
2096         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2097         If the previous insn is a cbranchsi4_insn with the same arguments,
2098         omit the compare instruction.
2099
2100         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2101         register, inputs must be low registers and we need a low register
2102         scratch.  Handle alternative 2 like alternative 3.
2103
2104 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2105
2106         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2107         don't call get_addr on both.  If one expression is a VALUE and
2108         the other a REG, check VALUE's locs if the REG isn't among them.
2109
2110 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2111
2112         * config/sh/sh.h (sh_frame_pointer_required): New function.
2113         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2114         (flag_omit_frame_pointer) Set.
2115         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2116         (rounded_frame_size): Adjust size with outgoing_args_size.
2117         (sh_set_return_address): Must return from stack pointer.
2118         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2119         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2120         (ACCUMULATE_OUTGOING_ARGS): Define.
2121         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2122         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2123
2124 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2125
2126         PR target/43471
2127         * config/sh/sh.c (sh_legitimize_reload_address): Use
2128         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2129         Remove a unneeded check for offset_base.
2130
2131 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2132
2133         * configure: Regenerated.
2134
2135 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2136
2137         * config/s390/s390.c (s390_call_save_register_used): Switch back
2138         to HARD_REGNO_NREGS.
2139
2140 2010-04-15  Richard Guenther  <rguenther@suse.de>
2141
2142         * alias.c (alias_set_subset_of): Handle alias-set zero
2143         child properly.
2144
2145 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2146             Julian Brown  <julian@codesourcery.com>
2147
2148         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2149         alternatives according to use of high and low regs.
2150         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2151         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2152         optimizing for size on Thumb-2.
2153
2154 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2155
2156         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2157
2158 2010-04-15  Richard Guenther  <rguenther@suse.de>
2159
2160         * tree-ssa-structalias.c (struct variable_info): Add
2161         is_fn_info flag.
2162         (new_var_info): Initialize it.
2163         (dump_constraints): Support printing last added constraints.
2164         (debug_constraints): Adjust.
2165         (dump_constraint_graph): Likewise.
2166         (make_heapvar_for): Check for NULL cfun.
2167         (get_function_part_constraint): New function.
2168         (get_fi_for_callee): Likewise.
2169         (find_func_aliases): Properly implement IPA PTA constraints.
2170         (process_ipa_clobber): New function.
2171         (find_func_clobbers): Likewise.
2172         (insert_into_field_list_sorted): Remove.
2173         (create_function_info_for): Properly allocate vars for IPA mode.
2174         Do not use insert_into_field_list_sorted.
2175         (create_variable_info_for): Properly generate constraints for
2176         global vars in IPA mode.
2177         (dump_solution_for_var): Always dump the solution.
2178         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2179         (find_what_var_points_to): Adjust.
2180         (pt_solution_set): Change.
2181         (pt_solution_ior_into): New function.
2182         (pt_solution_empty_p): Export.
2183         (pt_solution_includes_global): Adjust.
2184         (pt_solution_includes_1): Likewise.
2185         (pt_solutions_intersect_1): Likewise.
2186         (dump_sa_points_to_info): Check some invariants.
2187         (solve_constraints): Move constraint dumping ...
2188         (compute_points_to_sets): ... here.
2189         (ipa_pta_execute): ... and here.
2190         (compute_may_aliases): Do not re-compute points-to info
2191         locally if IPA info is available.
2192         (ipa_escaped_pt): New global var.
2193         (ipa_pta_execute): Properly implement IPA PTA.
2194         * tree-into-ssa.c (dump_decl_set): Support dumping
2195         decls not in referenced-vars.
2196         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2197         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2198         (dump_points_to_solution): Likewise.
2199         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2200         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2201         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2202         (copy_decl_to_var): Copy DECL_PT_UID.
2203         (copy_result_decl_to_var): Likewise.
2204         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2205         (copy_node_stat): Copy it.
2206         * tree.h (DECL_PT_UID): New macro.
2207         (SET_DECL_PT_UID): Likewise.
2208         (DECL_PT_UID_SET_P): Likewise.
2209         (struct tree_decl_minimal): Add pt_uid member.
2210         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2211         (pt_solution_empty_p): Declare.
2212         (pt_solution_set): Adjust.
2213         (ipa_escaped_pt): Declare.
2214         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2215         * gimple-pretty-print.c (pp_points_to_solution): New function.
2216         (dump_gimple_call): Dump call clobber/use information.
2217         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2218         * tree-pass.h (TDF_ALIAS): New dump option.
2219         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2220         * doc/invoke.texi (-fipa-pta): Update documentation.
2221
2222 2010-04-15  Richard Guenther  <rguenther@suse.de>
2223
2224         * Makefile.in (OBJS-common): Add gimple-fold.o.
2225         (gimple-fold.o): New rule.
2226         * tree.h (maybe_fold_offset_to_reference,
2227         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2228         prototypes ...
2229         * gimple.h: ... here.
2230         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2231         may_propagate_address_into_dereference): Move prototypes ...
2232         * gimple.h: ... here.
2233         * tree-ssa-ccp.c (get_symbol_constant_value,
2234         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2235         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2236         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2237         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2238         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2239         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2240         gimplify_and_update_call_from_tree): Move ...
2241         * gimple-fold.c: ... here.  New file.
2242         (ccp_fold_builtin): Rename to ...
2243         (gimple_fold_builtin): ... this.
2244         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2245
2246 2010-04-15  Richard Guenther  <rguenther@suse.de>
2247
2248         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2249         fit_double_type, force_fit_type_double, add_double_with_sign,
2250         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2251         lrotate_double, rrotate_double, div_and_round_double): Move ...
2252         * double-int.c: ... here.
2253         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2254         add_double, neg_double, mul_double_with_sign, mul_double,
2255         lshift_double, rshift_double, lrotate_double, rrotate_double,
2256         div_and_round_double): Move prototypes ...
2257         * double-int.h: ... here.
2258
2259 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2260
2261         PR target/43742
2262         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2263         matching constraints to ensure inputs match the output.
2264
2265 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2266
2267         PR target/43742
2268         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2269         in an input-only operand.
2270
2271 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2272
2273         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2274         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2275         (double_int_negative_p): Convert to static inline function.
2276         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2277         (double_int_negative_p): Remove.
2278         * tree.h (lshift_double, rshift_double):
2279         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2280         * fold-const.c (fold_convert_const_int_from_real,
2281         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2282         (lshift_double): Change type of arith argument to bool.
2283         (rshift_double): Change type of arith argument to bool. Correct
2284         comment.
2285         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2286
2287 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2288
2289         PR target/21803
2290         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2291         at the start and end of the then/else blocks, and omit them from the
2292         conversion.
2293         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2294         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2295         (flow_find_head_matching_sequence): New function.
2296         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2297         * basic-block.h (flow_find_cross_jump,
2298         flow_find_head_matching_sequence): Declare functions.
2299
2300 2010-04-14  Jason Merrill  <jason@redhat.com>
2301
2302         PR c++/36625
2303         * c-common.c (attribute_takes_identifier_p): New fn.
2304         * c-common.h: Declare it.
2305
2306 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2307
2308         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2309         splitter condition.
2310         (*udivmod<mode>4): Ditto.
2311
2312 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2313
2314         * config/i386/i386.md (maxmin_int): Rename code attribute from
2315         maxminiprefix and update all users.
2316         (maxmin_float): Ditto from maxminfprefix.
2317         (logic): Ditto from logicprefix.
2318         (absneg_mnemonic): Ditto from absnegprefix.
2319         * config/i386/mmx.md: Update all users of maxminiprefix,
2320         maxminfprefix and logicprefix for rename.
2321         * config/i386/sse.md: Ditto.
2322         * config/i386/sync.md (sync_<code><mode>): Update for
2323         logicprefix rename.
2324
2325 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2326
2327         PR 42966
2328         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2329         warnings converted to errors.
2330
2331 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2332
2333         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2334         used insn_type variable.
2335         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2336         to avoid set-but-not-used warning.
2337
2338 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2339
2340         * df-core.c (df_ref_debug): Change format string placeholder
2341         from 0x%x to %#x.
2342         * dwarf2asm.c (dw2_asm_output_data_raw,
2343         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2344         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2345         * dwarf2out.c (output_cfi, output_cfi_directive,
2346         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2347         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2348         Ditto.
2349         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2350         * print-rtl.c (print_rtx): Ditto.
2351
2352 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2353
2354         PR middle-end/42694
2355         * builtins.c (expand_builtin_pow_root): New function to expand pow
2356         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2357         series of sqrt and cbrt calls under -ffast-math.
2358         (expand_builtin_pow): Call it.
2359
2360 2010-04-14  Michael Matz  <matz@suse.de>
2361
2362         PR tree-optimization/42963
2363         * tree-cfg.c (touched_switch_bbs): New static variable.
2364         (group_case_labels_stmt): New function broken out from ...
2365         (group_case_labels): ... here, use the above.
2366         (start_recording_case_labels): Allocate touched_switch_bbs.
2367         (end_recording_case_labels): Deallocate it, call
2368         group_case_labels_stmt.
2369         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2370
2371 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2372
2373         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2374         from insn template.
2375
2376 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2377
2378         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2379
2380 2010-04-13  Jan Hubicka  <jh@suse.cz>
2381
2382         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2383         of optimized out static functions.
2384         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2385         cost computation.  Also sanity check for overflows.
2386         (update_caller_keys): Update cgraph_edge_badness call; properly
2387         update fibheap and sanity check that it is up to date.
2388         (add_new_edges_to_heap): Update cgraph_edge_badness.
2389         (cgraph_decide_inlining_of_small_function): Likewise;
2390         add sanity checking that badness in heap is up to date;
2391         improve dumping of reason; Update badness of calls to the
2392         offline copy of function currently inlined; dump badness
2393         of functions not inlined because of unit growth limits.
2394
2395 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2396
2397         PR middle-end/32628
2398         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2399         because of sign-extension change when converting to sizetype here...
2400         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2401
2402         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2403         the folding to constants.  Remove redundant final conversion.
2404         (fold_binary) <associate>: Do not associate if the re-association of
2405         constants alone overflows.
2406         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2407         to the end of the list.
2408         (multiple_of_p) <COND_EXPR>: New case.
2409
2410 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2411
2412         * opt-functions.awk (opt_sanitized_name): New.
2413         (opt_enum): New.
2414         * optc-gen.awk: Use it
2415         * opth-gen.awk: Use it.
2416
2417 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2418
2419         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2420         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2421         children.  Call replace_uses_with_default_def_ssa_name to handle
2422         SSA_NAES on lhs.
2423
2424 2010-04-13  Michael Matz  <matz@suse.de>
2425
2426         PR middle-end/43730
2427         * builtins.c (expand_builtin_interclass_mathfn): Also create
2428         a register if the predicate doesn't match.
2429
2430 2010-04-13  Diego Novillo  <dnovillo@google.com>
2431
2432         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2433         * c-pch.c: Include timevar.h.
2434         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2435         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2436         * ggc-common.c: Include timevar.h.
2437         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2438         * timevar.def (TV_PCH_SAVE): Define.
2439         (TV_PCH_CPP_SAVE): Define.
2440         (TV_PCH_PTR_REALLOC): Define.
2441         (TV_PCH_PTR_SORT): Define.
2442         (TV_PCH_RESTORE): Define.
2443         (TV_PCH_CPP_RESTORE): Define.
2444
2445 2010-04-13  Michael Matz  <matz@suse.de>
2446
2447         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2448         into MINUS_EXPRs.
2449         (can_reassociate_p): New function.
2450         (break_up_subtract_bb, reassociate_bb): Use it.
2451
2452 2010-04-13  Richard Guenther  <rguenther@suse.de>
2453
2454         PR bootstrap/43737
2455         * builtins.c (c_readstr): Fix assert.
2456
2457 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2458
2459         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2460         when generating cltd insn.
2461
2462         (*ashl<mode>3_1): Remove special handling for register operand 2.
2463         (*ashlsi3_1_zext): Ditto.
2464         (*ashlhi3_1): Ditto.
2465         (*ashlhi3_1_lea): Ditto.
2466         (*ashlqi3_1): Ditto.
2467         (*ashlqi3_1_lea): Ditto.
2468         (*<shiftrt_insn><mode>3_1): Ditto.
2469         (*<shiftrt_insn>si3_1_zext): Ditto.
2470         (*<shiftrt_insn>qi3_1_slp): Ditto.
2471         (*<rotate_insn><mode>3_1): Ditto.
2472         (*<rotate_insn>si3_1_zext): Ditto.
2473         (*<rotate_insn>qi3_1_slp): Ditto.
2474
2475 2010-04-13  Richard Guenther  <rguenther@suse.de>
2476
2477         * tree-ssa-structalias.c (callused_id): Remove.
2478         (call_stmt_vars): New.
2479         (get_call_vi): Likewise.
2480         (lookup_call_use_vi): Likewise.
2481         (lookup_call_clobber_vi): Likewise.
2482         (get_call_use_vi): Likewise.
2483         (get_call_clobber_vi): Likewise.
2484         (make_transitive_closure_constraints): Likewise.
2485         (handle_const_call): Adjust to do per-call call-used handling.
2486         (handle_pure_call): Likewise.
2487         (find_what_var_points_to): Remove general callused handling.
2488         (init_base_vars): Likewise.
2489         (init_alias_vars): Initialize call_stmt_vars.
2490         (compute_points_to_sets): Process call-used and call-clobbered
2491         vars for call statements.
2492         (delete_points_to_sets): Free call_stmt_vars.
2493
2494 2010-04-13  Richard Guenther  <rguenther@suse.de>
2495
2496         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2497         Only add RW dependence for dependence distance zero.
2498         Adjust maximal vectorization factor according to dependences.
2499         Move alignment handling ...
2500         (vect_find_same_alignment_drs): ... here.  New function.
2501         (vect_analyze_data_ref_dependences): Adjust.
2502         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2503         (vect_analyze_data_refs): Adjust minimal vectorization factor
2504         according to data references.
2505         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2506         dependences before determining the vectorization factor.
2507         Analyze alignment after determining the vectorization factor.
2508         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2509         dependences before alignment.
2510         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2511         Adjust prototype.
2512         (vect_analyze_data_refs): Likewise.
2513         (MAX_VECTORIZATION_FACTOR): New define.
2514
2515 2010-04-13  Duncan Sands  <baldrick@free.fr>
2516
2517         * except.h (lang_eh_type_covers): Remove.
2518         * except.c (lang_eh_type_covers): Likewise.
2519
2520 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2521             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2522
2523         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2524         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2525         UNITS_PER_LONG where it is ABI relevant.
2526         (s390_return_addr_rtx): Likewise.
2527         (s390_back_chain_rtx): Likewise.
2528         (s390_frame_area): Likewise.
2529         (s390_frame_info): Likewise.
2530         (s390_initial_elimination_offset): Likewise.
2531         (save_gprs): Likewise.
2532         (s390_emit_prologue): Likewise.
2533         (s390_emit_epilogue): Likewise.
2534         (s390_function_arg_advance): Likewise.
2535         (s390_function_arg): Likewise.
2536         (s390_va_start): Likewise.
2537         (s390_gimplify_va_arg): Likewise.
2538         (s390_function_profiler): Likewise.
2539         (s390_optimize_prologue): Likewise.
2540         (s390_rtx_costs): Likewise.
2541         (s390_secondary_reload): Likewise.
2542         (s390_promote_function_mode): Likewise.
2543         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2544         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2545         registers available.
2546         (s390_unwind_word_mode): New function.
2547         (s390_function_value): Split 64 bit values into register pair if
2548         used as return value.
2549         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2550         function call parameters.  Handle parallels.
2551         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2552         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2553         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2554         (s390_expand_setmem): Remove unused variable src_addr.
2555         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2556         deal with 64 bit registers.
2557         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2558         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2559         (UNITS_PER_LONG): New macro.
2560         * libjava/include/s390-signal.h: Define extended ucontext
2561         structure containing the upper halfs of the 64 bit registers.
2562
2563 2010-04-13  Simon Baldwin  <simonb@google.com>
2564
2565         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2566
2567 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2568
2569         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2570         rvalue on the RHS if the LHS is of a non-renamable type.
2571         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2572
2573 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2574
2575         * gcc.c (cc1_options): Handle -iplugindir before processing
2576         the cc1 spec. Only add -iplugindir once.
2577         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2578         found.
2579         * common.opt (iplugindir): Remove `Separate' property, initialize.
2580         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2581         option.
2582         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2583         (distclean): Remove plugin dir.
2584         * doc/invoke.texi: Document -iplugindir.
2585
2586 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2587
2588         * doc/plugins.texi (Loading Plugins): Document short
2589         -fplugin=foo option.
2590         (Plugin API): Mention default_plugin_dir_name function.
2591
2592         * gcc.c (find_file_spec_function): Add new declaration.
2593         (static_spec_func): Use it for "find-file".
2594         (find_file_spec_function): Add new function.
2595         (cc1_options): Add -iplugindir option if -fplugin* options found.
2596
2597         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2598
2599         * plugin.c (add_new_plugin): Updated comment, and handle short
2600         plugin name.
2601         (default_plugin_dir_name): Added new function.
2602
2603         * common.opt (iplugindir): New option to set the plugin directory.
2604
2605 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2606
2607         * config/i386/i386.md (any_rotate): New code iterator.
2608         (rotate_insn): New code attribute.
2609         (rotate): Ditto.
2610         (SWIM124): New mode iterator.
2611         (<rotate_insn>ti3): New expander.
2612         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2613         any_rotate code iterator.
2614         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2615         using any_rotate code iterator and SWIM124 mode iterator.
2616         (ix86_rotlti3): New insn_and_split pattern.
2617         (ix86_rotrti3): Ditto.
2618         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2619         ix86_rotl{di,ti}3 patterns.
2620         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2621         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2622         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2623         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2624         code iterator and SWI mode iterator.
2625         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2626         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2627         code iterator.
2628         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2629         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2630         (bswap rotatert splitter): Add splitter.
2631         (bswap splitter): Macroize splitter using any_rotate code iterator.
2632         Add insn predicate to split only for TARGET_USE_XCHGB or when
2633         optimizing function for size.
2634
2635 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2636
2637         * config/pa/pa.c (emit_move_sequence): Remove use of
2638         deleted variable flag_argument_noalias.
2639
2640 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2641
2642         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2643         configurations.
2644         Add to unsupported targets list.
2645         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2646         sparc*-sun-solaris2.[567]* from target lists.
2647         * configure: Regenerate.
2648         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2649         removal.
2650         Remove Solaris 7 patch references.
2651         (Specific, sparc-sun-solaris2.7): Removed.
2652         (sparc-sun-solaris2*): Update Solaris 7 example.
2653         (sparc64-*-solaris2*): Likewise.
2654
2655 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2656
2657         * config.build (alpha*-dec-osf4*): Remove.
2658         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2659         of obsolete configurations.
2660         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2661         support.
2662         * config/alpha/t-osf4: Renamed to ...
2663         * config/alpha/t-osf5: ... this.
2664         * config/alpha/osf.h: Renamed to ...
2665         * config/alpha/osf5.h: ... this.
2666         Merged old osf5.h contents.
2667         Update comments.
2668         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2669         (EXTRA_SPECS): Removed.
2670         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2671         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2672         Document that.
2673
2674 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2675
2676         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2677
2678 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2679
2680         PR/43702
2681         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2682         __thiscall convention.
2683
2684 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2685
2686         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2687         orig_base.
2688         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2689
2690 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2691
2692         * function.c (assign_parms_initialize_all): Add unused attribute
2693         to fntype.
2694
2695 2010-04-12  Richard Guenther  <rguenther@suse.de>
2696
2697         * gsstruct.def (GSS_CALL): New.
2698         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2699         * gimple.h: Include tree-ssa-alias.h.
2700         (struct gimple_statement_call): New.
2701         (union gimple_statement_struct_d): Add gimple_call member.
2702         (gimple_call_reset_alias_info): Declare.
2703         (gimple_call_use_set): New function.
2704         (gimple_call_clobber_set): Likewise.
2705         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2706         * gimple.c (gimple_call_reset_alias_info): New function.
2707         (gimple_build_call_1): Call it.
2708         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2709         * tree-inline.c (remap_gimple_stmt): Likewise.
2710         (expand_call_inline): Remove callused handling.
2711         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2712         * tree-dfa.c (dump_variable): Likewise.
2713         * tree-parloops.c (parallelize_loops): Likewise.
2714         * tree-ssa.c (init_tree_ssa): Likewise.
2715         (delete_tree_ssa): Likewise.
2716         * tree-flow-inline.h (is_call_used): Remove.
2717         * tree-flow.h (struct gimple_df): Remove callused member.
2718         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2719         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2720         (ref_maybe_used_by_call_p_1): Simplify.
2721         (call_may_clobber_ref_p_1): Likewise.
2722         * tree-ssa-structalias.c (compute_points_to_sets): Set
2723         the call stmt used and clobbered sets.
2724         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2725         (find_tail_calls): Verify the tail call.
2726
2727 2010-04-12  Richard Guenther  <rguenther@suse.de>
2728
2729         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2730         single-iteration always-inline inlining.
2731         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2732         (cgraph_decide_inlining): Do not handle always-inline specially.
2733         (try_inline): Remove always-inline cycle detection special case.
2734         Do not recurse on always-inlines.
2735         (cgraph_early_inlining): Do not iterate if not optimizing.
2736         (cgraph_gate_early_inlining): remove.
2737         (pass_early_inline): Run unconditionally.
2738         (gate_cgraph_decide_inlining): New function.
2739         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2740         not inlining or optimizing.
2741         (cgraph_decide_inlining_of_small_functions): Also consider
2742         always-inline functions.
2743         (cgraph_default_inline_p): Return true for nodes which should
2744         disregard inline limits.
2745         (estimate_function_body_sizes): Assume zero size and time for
2746         nodes which are marked as disregarding inline limits.
2747         (cgraph_decide_recursive_inlining): Do not perform recursive
2748         inlining on always-inline nodes.
2749
2750 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2751
2752         PR bootstrap/43699
2753         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2754         for exprs satisfying handled_component_p.
2755
2756 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2757
2758         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2759         non-constant aggregate elements.
2760
2761         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2762         is a real initialization.
2763
2764 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2765
2766         PR c/36774
2767         * c-decl.c (start_function): Move forward check for nested function.
2768
2769 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2770
2771         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2772         * config/sh/sh.c: Include reload.h.
2773         (sh_legitimize_reload_address): New.
2774         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2775         sh_legitimize_reload_address.
2776
2777 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2778
2779         * config/sh/sh.md (*movqi_pop): New insn pattern.
2780         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2781
2782 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2783
2784         * config/i386/i386.md (any_shiftrt): New code iterator.
2785         (shiftrt_insn): New code attribute.
2786         (shiftrt): Ditto.
2787         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2788         using any_shiftrt code iterator.
2789         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2790         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2791         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2792         pattern from corresponding peephole2 patterns.
2793         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2794         using any_shiftrt code iterator.
2795         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2796         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2797         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2798         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2799         *{ashr,lshr}<mode>3_cmp_zext.
2800         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2801
2802 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2803
2804         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2805         scratch register.
2806         (*lshr<mode>3_cconly): Ditto.
2807
2808 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2809
2810         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2811         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2812         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2813         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2814         DWI mode iterator.
2815         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2816         from corresponding peephole2 patterns.
2817         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2818         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2819         and *lshrdi3_1_rex64 using SWI mode iterator.
2820         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2821         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2822         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2823         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2824         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2825         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2826         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2827         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2828         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2829         SWI mode iterator.
2830
2831 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2832
2833         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2834         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2835         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2836         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2837         DWI mode iterator.
2838         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2839         from corresponding peephole2 patterns.
2840         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2841         (ashrsi3_cvt): Rename from ashrsi3_31.
2842         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2843         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2844         and x86_64_shift_adj_3 using SWI48 mode iterator.
2845         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2846         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2847         and *ashrdi3_1_rex64 using SWI mode iterator.
2848         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2849         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2850         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2851         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2852         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2853         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2854         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2855         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2856         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2857         SWI mode iterator.
2858         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2859         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2860         x86_shift<mode>_adj_3 expanders.
2861
2862 2010-04-10  Wei Guozhi  <carrot@google.com>
2863
2864         PR target/42601
2865         * config/arm/arm.c (arm_pic_static_addr): New function.
2866         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2867         a static symbol.
2868         (arm_output_addr_const_extra): Output expression for new pattern.
2869         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2870
2871 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2872
2873         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2874         not enabled.
2875
2876         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2877         * web.c: Include "insn-config.h" and "recog.h".
2878         (union_match_dups): New function.
2879         (web_main): Call it.
2880         (union_defs): Don't try to recognize match_dups.
2881
2882         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2883         if doing so would replace the entire pattern.
2884
2885 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2886
2887         PR target/43707
2888         PR target/43709
2889         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2890         and splitter pattern.  Change splitter operand 1 predicate to
2891         nonmemory_operand.
2892
2893 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2894
2895         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2896         lattices are addresses of CONST_DECLs with the same initial value.
2897         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2898         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2899
2900 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2901             Bernd Schmidt  <bernds@codesourcery.com>
2902
2903         * loop-invariant.c (replace_uses): New static function.
2904         (move_invariant_reg): Use it to ensure we can replace the uses.
2905
2906 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2907
2908         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2909         function template.
2910         (picochip_override_options): Enable section anchors only above -O1.
2911         (picochip_reorg): Fixed a couple of build warnings.
2912
2913 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2914
2915         * configure.ac (plugin -rdynamic test): Log result.
2916         * configure: Regenerate.
2917         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2918         (RDYNAMIC_SPEC): Define.
2919         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2920
2921 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2922
2923         * configure.ac: Determine Sun ld version numbers.
2924         (comdat_group): Restrict GNU ld version checks to gld.
2925         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2926         (enable_comdat): Support --enable-comdat.
2927         * configure: Regenerate.
2928         * doc/install.texi (Configuration): Document --enable-comdat.
2929
2930 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2931
2932         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2933         * config/sol2-gld.h: ... here.
2934         * config.gcc (sparc*-*-solaris2*): Reflect this.
2935         (i[34567]86-*-solaris2*): Use it.
2936
2937 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2938
2939         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2940         setup_clocks_p.
2941         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2942
2943 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2944
2945         PR 42965
2946         * diagnostic.c (diagnostic_initialize): Initialize
2947         some_warnings_are_errors.
2948         (diagnostic_finish): New.
2949         (diagnostic_action_after_output): Call it before exiting.
2950         (diagnostic_report_diagnostic): Do not print message here. Set
2951         some_warnings_are_errors.
2952         * diagnostic.h (diagnostic_context): Delete
2953         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2954         (diagnostic_finish): Declare.
2955         * toplev.c (toplev_main): Call it before exit.
2956
2957 2010-04-09  Jason Merrill  <jason@redhat.com>
2958
2959         PR c++/42623
2960         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2961         for incomplete type.
2962
2963         PR c++/41788
2964         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2965         based on a warning flag.
2966
2967 2010-04-09  Richard Guenther  <rguenther@suse.de>
2968
2969         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2970
2971 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2972
2973         PR bootstrap/43684
2974         * varasm.c (default_assemble_visibility): Wrap vars that are
2975         set, but unused, by targets without GAS.
2976         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2977         Remove set, but unused, vars.
2978         (rs6000_legitimize_tls_address): Likewise.
2979         (altivec_expand_dst_builtin): Likewise.
2980         * config/darwin.c (machopic_classify_symbol): Likewise.
2981         (machopic_indirection_name): Likewise.
2982
2983 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2984
2985         * config/i386/i386.md (DWI): New mode iterator.
2986         (S): New mode attribute.
2987         (shift_operand): Ditto.
2988         (shift_immediate_operand): Ditto.
2989         (ashl_input_operand): Ditto.
2990         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2991         using SDWIM mode iterator.
2992         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2993         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2994         DWI mode iterator.
2995         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2996         from corresponding peephole2 patterns.
2997         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2998         and x86_64_shift_adj_1 using SWI48 mode iterator.
2999         (x86_shift<mode>_adj_2): Ditto.
3000         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3001         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3002         using SWI48 mode iterator.
3003         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3004         *ashldi3_cmp_rex64 using SWI mode iterator.
3005         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3006         *ashldi3_cconly_rex64 using SWI mode iterator.
3007         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3008         x86_shift<mode>_adj_{1,2}.
3009         (ix86_split_ashr): Ditto.
3010         (ix86_split_lshr): Ditto.
3011
3012 2010-04-09  Richard Guenther  <rguenther@suse.de>
3013
3014         * target.h (builtin_conversion): Pass in input and output types.
3015         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3016         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3017         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3018         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3019
3020         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3021         Handle AVX modes.
3022         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3023
3024 2010-04-09  Richard Guenther  <rguenther@suse.de>
3025
3026         PR target/43152
3027         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3028
3029 2010-04-09  Richard Guenther  <rguenther@suse.de>
3030
3031         * tree-vectorizer.h (struct _stmt_vec_info): Document
3032         that vectype is the type of the LHS.
3033         (supportable_widening_operation, supportable_narrowing_operation):
3034         Get both input and output vector types as arguments.
3035         (vect_is_simple_use_1): Declare.
3036         (get_same_sized_vectype): Likewise.
3037         * tree-vect-loop.c (vect_determine_vectorization_factor):
3038         Set STMT_VINFO_VECTYPE to the vector type of the def.
3039         (vectorizable_reduction): Adjust.
3040         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3041         Adjust.  Specify the output vector type.
3042         (vect_pattern_recog_1): Adjust.
3043         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3044         (vectorizable_call): Adjust.
3045         (vectorizable_conversion): Likewise.
3046         (vectorizable_operation): Likewise.
3047         (vectorizable_type_demotion): Likewise.
3048         (vectorizable_type_promotion): Likewise.
3049         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3050         the def.
3051         (vect_is_simple_use_1): New function.
3052         (supportable_widening_operation): Get both input and output
3053         vector types.
3054         (supportable_narrowing_operation): Likewise.
3055         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3056
3057 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3058
3059         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3060         __thiscall and _thiscall as predefined macros.
3061         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3062         thiscall attribute handling.
3063         (ix86_comp_type_attributes): Likewise.
3064         (ix86_function_regparm): Likewise.
3065         (ix86_return_pops_args): Likewise.
3066         (init_cumulative_args): Likewise.
3067         (find_drap_reg): Likewise.
3068         (ix86_static_chain): Likewise.
3069         (x86_this_parameter): Likewise.
3070         (x86_output_mi_thunk): Likewise.
3071         (ix86_attribute_table): Add description for thiscall attribute.
3072         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3073         * doc/extend.texi: Add documentation for thiscall.
3074
3075 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3076
3077         PR c++/28584
3078         * c.opt (Wint-to-pointer-cast): Available in C++.
3079         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3080
3081 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3082
3083         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3084         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3085         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3086         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3087         function type instead.  Reorder and simplify checks.
3088
3089         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3090
3091 2010-04-08  Jing Yu  <jingyu@google.com>
3092             Zdenek Dvorak  <ook@ucw.cz>
3093
3094         PR tree-optimization/42720
3095         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3096         loop unswitch conditions here from ...
3097         (tree_unswitch_single_loop): ... here.
3098
3099 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3100
3101         * tree-if-conv.c: Fix comments and simplify logic.
3102
3103 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3104
3105         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3106         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3107         (main_tree_if_conversion): Update call to tree_if_conversion.
3108
3109 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3110
3111         PR 42485
3112         * doc/invoke.texi (-b,-V): Delete.
3113         * doc/tm.texi: Do not mention -b.
3114         * gcc.c (display_help): Delete -b and -V.
3115         (process_command): Delete -b and -V.
3116         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3117
3118 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3119             Wolfgang Gellerich  <gellerich@de.ibm.com>
3120
3121         Implement target hook for loop unrolling
3122         * target.h (loop_unroll_adjust): Add a new target hook function.
3123         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3124         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3125         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3126         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3127         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3128         target hook.
3129         (decide_unroll_stupid): Likewise.
3130
3131 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3132
3133         PR target/43643
3134         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3135
3136 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3137
3138         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3139         (Specific, *-*-solaris2*): Likewise.
3140         Don't prefer Sun as over GNU as.
3141
3142 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3143
3144         * config/s390/s390.c (override_options): Adjust the z10
3145           defaults for max-unroll-times, max-completely-peeled-insns
3146           and max-completely-peel-times.
3147
3148 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3149
3150         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3151         instructions for z10.
3152         (s390_expand_setmem): Likewise.
3153         (s390_expand_cmpmem): Likewise.
3154
3155 2010-04-08  Richard Guenther  <rguenther@suse.de>
3156
3157         PR tree-optimization/43679
3158         * tree-ssa-pre.c (eliminate): Only propagate copies.
3159
3160 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3161
3162         PR bootstrap/43681
3163         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3164         set but not used variable warning.
3165
3166 2010-04-08  Wei Guozhi  <carrot@google.com>
3167
3168         PR target/41653
3169         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3170         (arm_size_rtx_costs): Call the new function when optimized for size.
3171
3172 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3173
3174         PR debug/43670
3175         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3176         op0 is not a MEM, just return NULL instead of assertion
3177         failure.
3178         (discover_nonconstant_array_refs): Don't walk debug stmts.
3179
3180 2010-04-08  Doug Kwan  <dougkwan@google.com>
3181
3182         * configure.ac: Recognize gold and do not use its version number
3183         to test ld features.
3184         * configure: Regenerate.
3185
3186 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3187
3188         PR middle-end/40815
3189         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3190         (negate_value): Move code to push elements to broken_up_substracts ...
3191         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3192         negative pair to plus_negates.
3193         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3194
3195 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3196
3197         * doc/install.texi (Configuration): Move description of
3198         --enable-lto, --with-libelf*, --enable-gold from Java section to
3199         general section.
3200
3201         * doc/generic.texi (Working with declarations)
3202         (Function Properties, C and C++ Trees): Fix typos.
3203         * doc/sourcebuild.texi (Top Level): Likewise.
3204
3205 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3206
3207         PR c/18624
3208         * tree.h (DECL_READ_P): Define.
3209         (struct tree_decl_common): Add decl_read_flag.
3210         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3211         a set but not used warning.
3212         (merge_decls): Merge DECL_READ_P flag.
3213         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3214         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3215         * c-common.c (handle_used_attribute, handle_unused_attribute):
3216         Likewise.
3217         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3218         New prototypes.
3219         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3220         New functions.
3221         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3222         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3223         c_parser_binary_expression, c_parser_cast_expression,
3224         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3225         Call default_function_array_read_conversion instead of
3226         default_function_array_conversion where needed.
3227         (c_parser_unary_expression, c_parser_conditional_expression,
3228         c_parser_postfix_expression_after_primary, c_parser_initelt):
3229         Likewise.  Call mark_exp_read where needed.
3230         (c_parser_statement_after_labels, c_parser_asm_operands,
3231         c_parser_typeof_specifier, c_parser_sizeof_expression,
3232         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3233         where needed.
3234         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3235         New.
3236         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3237         (warn_unused_but_set_parameter): Default to warn_unused
3238         && extra_warnings.
3239         * doc/invoke.texi: Document -Wunused-but-set-variable and
3240         -Wunused-but-set-parameter.
3241
3242         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3243         used count variable.
3244         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3245         when operandN variables aren't used in the body of the expander
3246         or splitter.
3247         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3248         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3249         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3250         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3251         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3252         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3253         * tree.c (PROCESS_ARG): Likewise.
3254
3255 2010-04-07  Simon Baldwin  <simonb@google.com>
3256
3257         * diagnostic.h (diagnostic_override_option_index): New macro to
3258         set a diagnostic's option_index.
3259         * c-tree.h (c_cpp_error): Add warning reason argument.
3260         * opts.c (_warning_as_error_callback): New.
3261         (register_warning_as_error_callback): Store callback for
3262         warnings enabled via enable_warning_as_error.
3263         (enable_warning_as_error): Call callback, minor code tidy.
3264         * opts.h (register_warning_as_error_callback): Declare.
3265         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3266         response to -Werror=.
3267         (c_common_init_options): Register warning_as_error_callback in opts.c.
3268         * common.opt: Add -Wno-cpp option.
3269         * c-common.c (struct reason_option_codes_t): Map cpp warning
3270         reason codes to gcc option indexes.
3271         * (c_option_controlling_cpp_error): New function, lookup the gcc
3272         option index for a cpp warning reason code.
3273         * (c_cpp_error): Add warning reason argument, call
3274         c_option_controlling_cpp_error for diagnostic_override_option_index.
3275         * doc/invoke.texi: Document -Wno-cpp.
3276
3277 2010-04-07  Richard Guenther  <rguenther@suse.de>
3278
3279         * ipa-reference.c (mark_load): Use get_base_address.
3280         (mark_store): Likewise.
3281
3282         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3283         inserting GIMPLE_NOPs into the IL.
3284         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3285         Explicitly strip handled components and indirect references.
3286
3287         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3288         folding address expressions.
3289         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3290         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3291         operand_equal_p to compare decls.
3292         (ptr_deref_may_alias_decl_p): Likewise.
3293         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3294         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3295         Handle reversed comparison ops.
3296         * tree-sra.c (asm_visit_addr): Use get_base_address.
3297         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3298         * ipa-reference.c (mark_address): Use get_base_address.
3299
3300 2010-04-07  Richard Guenther  <rguenther@suse.de>
3301
3302         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3303         Propagate constants everywhere.
3304
3305 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3306
3307         PR debug/43516
3308         * tree.c (MAX_INT_CACHED_PREC): Define.
3309         (nonstandard_integer_type_cache): New array.
3310         (build_nonstandard_integer_type): Cache results for precision
3311         <= MAX_INT_CACHED_PREC.
3312
3313 2010-04-07  Richard Guenther  <rguenther@suse.de>
3314
3315         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3316         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3317         * common.opt: Likewise.
3318         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3319         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3320         (nonoverlapping_memrefs_p): Likewise.
3321         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3322         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3323         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3324         OPT_fargument_noalias_global for backward compatibility.
3325
3326 2010-04-07  Richard Guenther  <rguenther@suse.de>
3327
3328         PR tree-optimization/43270
3329         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3330         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3331         * tree-ssa-pre.c (phi_translate_1): Adjust.
3332         (fully_constant_expression): Split out vn_reference handling to ...
3333         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3334         Fold reads from constant strings.
3335         (vn_reference_lookup): Handle fully constant references.
3336         (vn_reference_lookup_pieces): Likewise.
3337         * Makefile.in (expmed.o-warn): Add -Wno-error.
3338
3339 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3340
3341         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3342
3343 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3344
3345         PR driver/41594
3346         * gcc.c: Add -static-libstdc++ to list of recognized options.
3347
3348 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3349
3350         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3351
3352 2010-04-07  Richard Guenther  <rguenther@suse.de>
3353
3354         PR middle-end/42617
3355         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3356         bases build simple mem attributes to retain points-to information.
3357
3358 2010-04-07  Richard Guenther  <rguenther@suse.de>
3359
3360         PR middle-end/42617
3361         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3362         preserve points-to related information.
3363
3364 2010-04-07  Richard Guenther  <rguenther@suse.de>
3365
3366         PR middle-end/42617
3367         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3368         discard plain indirect references.
3369         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3370         * tree.c (tree_nop_conversion): Likewise.
3371
3372 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3373
3374         PR debug/43628
3375         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3376
3377 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3378
3379         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3380         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3381
3382 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3383
3384         * tree-if-conv.c: Fix indentation and comments.
3385
3386 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3387
3388         * tree-if-conv.c: Sort static functions in topological order.
3389
3390 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3391
3392         * tree-if-conv.c: Fix indentation and comments.
3393
3394 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3395
3396         PR middle-end/43519
3397         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3398         lang_hooks.types.type_for_size instead of
3399         build_nonstandard_integer_type.
3400         When converting an unsigned type to signed, double its precision.
3401         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3402         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3403         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3404         use lb <= ub.
3405
3406 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3407
3408         PR middle-end/43519
3409         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3410         POINTER_PLUS_EXPR for pointer types.
3411
3412 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3413
3414         PR middle-end/43519
3415         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3416         * graphite-clast-to-gimple.c: Include langhooks.h.
3417         (max_signed_precision_type): New.
3418         (max_precision_type): Takes two types as arguments.
3419         (precision_for_value): New.
3420         (precision_for_interval): New.
3421         (gcc_type_for_interval): New.
3422         (gcc_type_for_value): New.
3423         (gcc_type_for_clast_term): New.
3424         (gcc_type_for_clast_red): New.
3425         (gcc_type_for_clast_bin): New.
3426         (gcc_type_for_clast_expr): Split up into several functions.
3427         (gcc_type_for_clast_eq): Rewritten.
3428         (compute_bounds_for_level): New.
3429         (compute_type_for_level_1): New.
3430         (compute_type_for_level): New.
3431         (gcc_type_for_cloog_iv): Removed.
3432         (gcc_type_for_iv_of_clast_loop): Rewritten.
3433         (graphite_create_new_loop): Compute the lower and upper bound types
3434         with gcc_type_for_clast_expr.
3435         (graphite_create_new_loop_guard): Same.
3436         (find_cloog_iv_in_expr): Removed.
3437         (compute_cloog_iv_types_1): Removed.
3438         (compute_cloog_iv_types): Removed.
3439         (gloog): Do not call compute_cloog_iv_types.
3440         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3441         GBB_CLOOG_IV_TYPES.
3442         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3443         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3444         (GBB_CLOOG_IV_TYPES): Removed.
3445
3446 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3447
3448         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3449         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3450         (detect_commutative_reduction): Same.
3451
3452 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3453
3454         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3455         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3456         argument.
3457         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3458         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3459         (rewrite_commutative_reductions_out_of_ssa): Same.
3460         * passes.c (execute_function_todo): Call verify_ssa for every pass
3461         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3462         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3463         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3464         with an extra argument.
3465         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3466         verify_ssa only when the extra argument is true.
3467         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3468         with an extra argument.
3469         (tree_transform_and_unroll_loop): Same.
3470
3471 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3472
3473         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3474         for all the passes of the LNO having LOOP_CLOSED_SSA.
3475         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3476         * tree-loop-distribution.c (pass_loop_distribution): Same.
3477         * tree-pass.h (TODO_verify_loops): Removed.
3478         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3479         (pass_lim): Same.
3480         (pass_tree_unswitch): Same.
3481         (pass_predcom): Same.
3482         (pass_vectorize): Same.
3483         (pass_linear_transform): Same.
3484         (pass_graphite_transforms): Same.
3485         (pass_iv_canon): Same.
3486         (pass_complete_unroll): Same.
3487         (pass_complete_unrolli): Same.
3488         (pass_parallelize_loops): Same.
3489         (pass_loop_prefetch): Same.
3490         (pass_iv_optimize): Same.
3491
3492 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3493
3494         PR middle-end/32824
3495         * passes.c (init_optimization_passes): Move pass_lim before
3496         pass_copy_prop and pass_dce_loop.
3497
3498 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3499
3500         PR target/43667
3501         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3502         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3503         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3504         MULTI_* defines for 4 argument vpermil2p* builtins.
3505
3506 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3507
3508         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3509         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3510         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3511         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3512         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3513         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3514         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3515         Use x86_maybe_negate_const_int to output insn mnemonic.
3516         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3517         check from instruction predicate.  Update comments.
3518         * config/i386/sync.md (sync_add<mode>): Use
3519         x86_maybe_negate_const_int to output insn mnemonic.
3520
3521 2010-04-06  Jan Hubicka  <jh@suse.cz>
3522
3523         PR tree-optimization/42906
3524         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3525         IGNORE_SELF argument.  Set visited_control_parents for fully
3526         processed BBs.
3527         (find_obviously_necessary_stmts): Update call of
3528         mark_control_dependent_edges_necessary.
3529         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3530
3531 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3532
3533         * config/i386/i386.md: Remove comment about 'e' and 'E'
3534         operand modifier.
3535
3536 2010-04-06  Richard Guenther  <rguenther@suse.de>
3537
3538         PR tree-optimization/43627
3539         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3540         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3541         not varying.
3542
3543 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3544
3545         * BASE-VER: Change to 4.6.0.
3546
3547         PR target/43638
3548         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3549         handling.
3550
3551 2010-04-06  Richard Guenther  <rguenther@suse.de>
3552
3553         PR middle-end/43661
3554         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3555
3556 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3557
3558         * doc/invoke.texi (Optimize Options): Document that LTO
3559         won't remove object access purely due to incompatible
3560         declarations.
3561
3562 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3563
3564         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3565         Initialize variable.
3566
3567 2010-04-03  Richard Guenther  <rguenther@suse.de>
3568
3569         PR middle-end/42509
3570         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3571         require a non-NULL MEM_OFFSET.
3572
3573 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3574
3575         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3576         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3577         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3578         config/alpha/predicates.md, config/arm/arm.md,
3579         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3580         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3581         config/darwin9.h, config/darwin.c, config/darwin.h,
3582         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3583         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3584         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3585         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3586         config/mips/mips.md, config/mn10300/mn10300.c,
3587         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3588         config/rs6000/aix.h, config/rs6000/dfp.md,
3589         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3590         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3591         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3592         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3593         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3594         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3595         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3596         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3597         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3598         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3599         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3600         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3601         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3602         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3603         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3604         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3605         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3606         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3607         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3608         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3609         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3610         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3611         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3612         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3613         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3614         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3615         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3616         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3617         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3618         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3619         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3620         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3621         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3622         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3623         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3624         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3625
3626 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3627
3628         PR other/43620
3629         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3630         * aclocal.m4: Regenerate.
3631
3632 2010-04-02  Richard Guenther  <rguenther@suse.de>
3633
3634         PR tree-optimization/43629
3635         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3636         if we have seen a constant value.
3637
3638 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3639
3640         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3641
3642 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3643
3644         PR target/43469
3645         * arm.c (legitimize_tls_address): Adjust call to
3646         gen_tls_load_dot_plus_four.
3647         (arm_note_pic_base): New function.
3648         (arm_cannot_copy_insn_p): Use it.
3649         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3650         constraint.
3651
3652 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3653
3654         PR bootstrap/43531
3655
3656         Revert:
3657         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3658
3659         * Makefile.in ($(out_object_file)): Depend on
3660         gt-$(basename $(notdir $(out_file))).h.
3661
3662 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3663
3664         * config.gcc (lm32-*-rtems*): Add t-lm32.
3665
3666 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3667
3668         * config.gcc: Add lm32-*-rtems*.
3669         * config/lm32/rtems.h: New file.
3670
3671 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3672
3673         PR target/42609
3674         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3675
3676 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3677
3678         * dwarf2out.c (output_compilation_unit_header): For
3679         -gdwarf-4 use version 4 instead of version 3.
3680         (output_line_info): For version 4 and above emit additional
3681         maximum ops per insn header field.
3682         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3683
3684         * dwarf2out.c (is_c_family, is_java): Remove.
3685         (lower_bound_default): New function.
3686         (add_bound_info, gen_descr_array_type_die): Use it.
3687
3688 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3689
3690         PR debug/43325
3691         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3692         re-declaration when it happens in a function.
3693
3694 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3695
3696         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3697         (cgraph_remove_function_insertion_hook): Same.
3698         (cgraph_call_function_insertion_hooks): Same.
3699
3700 2010-04-01  Richard Guenther  <rguenther@suse.de>
3701
3702         PR middle-end/43614
3703         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3704         and TREE_THIS_VOLATILE.
3705         (copy_ref_info): Likewise.
3706         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3707         * tree.c (build6_stat): Ignore side-effects of all but arg5
3708         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3709         TARGET_MEM_REF.
3710
3711 2010-04-01  Richard Guenther  <rguenther@suse.de>
3712
3713         PR tree-optimization/43607
3714         * ipa-type-escape.c (check_call): Do not access non-existing
3715         arguments.
3716
3717 2010-04-01  Richard Guenther  <rguenther@suse.de>
3718
3719         PR middle-end/43602
3720         Revert
3721         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3722                     Jack Howarth <howarth@bromo.med.uc.edu>
3723
3724         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3725         variables TLS.
3726
3727 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3728
3729         * doc/install.texi (Prerequisites): Document libelf usability on
3730         IRIX 5/6 and Solaris 2.
3731         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3732         Update GNU as, GNU ld requirements.
3733         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3734         Document Sun Studio compiler download.
3735         Update and simplify as, ld recommendations.
3736         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3737
3738 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3739
3740         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3741         with_tune_32 to pentium4.
3742
3743 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3744
3745         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3746
3747 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3748
3749         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3750         obsoletion, removal.
3751         Update IDO URL.
3752         Document GNU as requirement.
3753         Update configure requirements.
3754         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3755         Recomment IRIX 6.5.18+.
3756         Document IDF/IDL requirement.
3757         Document GNU as requirement.
3758         Document GNU ld bootstrap failure.
3759         Remove freeware.sgi.com reference.
3760
3761 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3762
3763         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3764         UNIX V4.0, V5.0 obsoletion, removal.
3765         Remove --with-gc=simple reference.
3766         Update VM requirements during bootstrap.
3767         Remove -oldas bootstrap description.
3768         Update binutils reference.
3769         Remove comparison failure note.
3770
3771 2010-03-31  Richard Guenther  <rguenther@suse.de>
3772             Zdenek Dvorak  <ook@ucw.cz>
3773             Sebastian Pop  <sebastian.pop@amd.com>
3774
3775         PR middle-end/43464
3776         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3777         with multiple arguments.
3778         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3779
3780 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3781
3782         * graphite-dependences.c (print_pddr): Call print_pdr with an
3783         extra argument.
3784         * graphite-poly.c (debug_pdr): Add an extra argument for the
3785         verbosity level.
3786         (print_pdr): Same.
3787         (print_pbb_domain): Same.
3788         (print_pbb): Same.
3789         (print_scop_context): Same.
3790         (print_scop): Same.
3791         (print_cloog): Same.
3792         (debug_pbb_domain): Same.
3793         (debug_pbb): Same.
3794         (print_pdrs): Same.
3795         (debug_pdrs): Same.
3796         (debug_scop_context): Same.
3797         (debug_scop): Same.
3798         (debug_cloog): Same.
3799         (print_scop_params): Same.
3800         (debug_scop_params): Same.
3801         (print_iteration_domain): Same.
3802         (print_iteration_domains): Same.
3803         (debug_iteration_domain): Same.
3804         (debug_iteration_domains): Same.
3805         (print_scattering_function): Same.
3806         (print_scattering_functions): Same.
3807         (debug_scattering_function): Same.
3808         (debug_scattering_functions): Same.
3809         * graphite-poly.h (debug_pdr): Update declaration.
3810         (print_pdr): Same.
3811         (print_pbb_domain): Same.
3812         (print_pbb): Same.
3813         (print_scop_context): Same.
3814         (print_scop): Same.
3815         (print_cloog): Same.
3816         (debug_pbb_domain): Same.
3817         (debug_pbb): Same.
3818         (print_pdrs): Same.
3819         (debug_pdrs): Same.
3820         (debug_scop_context): Same.
3821         (debug_scop): Same.
3822         (debug_cloog): Same.
3823         (print_scop_params): Same.
3824         (debug_scop_params): Same.
3825         (print_iteration_domain): Same.
3826         (print_iteration_domains): Same.
3827         (debug_iteration_domain): Same.
3828         (debug_iteration_domains): Same.
3829         (print_scattering_function): Same.
3830         (print_scattering_functions): Same.
3831         (debug_scattering_function): Same.
3832         (debug_scattering_functions): Same.
3833
3834 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3835
3836         * graphite-poly.c (print_scattering_function_1): New.
3837         (print_scattering_function): Call it.
3838         (print_scop_params): Remove spaces at the end of lines.
3839         (print_cloog): New.
3840         (debug_cloog): New.
3841         * graphite-poly.h (print_cloog): Declared.
3842         (debug_cloog): Declared.
3843
3844 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3845
3846         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3847         in loop->header.
3848         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3849         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3850         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3851         to switch between adding the IV bump in loop->latch or in loop->header.
3852
3853 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3854
3855         * graphite-poly.c (print_scattering_function): Pretty print following
3856         the scoplib format.
3857         (print_pdr): Same.
3858         (print_pbb_domain): Same.
3859         (dump_gbb_cases): Same.
3860         (dump_gbb_conditions): Same.
3861         (print_pdrs): Same.
3862         (print_pbb): Same.
3863         (print_scop_params): Same.
3864         (print_scop_context): Same.
3865         (print_scop): Same.
3866         (print_pbb_body): New.
3867         (lst_indent_to): New.
3868         (print_lst): Start new lines with a #.
3869         * graphite-poly.h (pbb_bb): New.
3870         (pbb_index): Use pbb_bb.
3871         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3872         disjuncts.
3873         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3874
3875 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3876
3877         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3878         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3879         and 0 instead of 1 for dw_val_class_flag.
3880         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3881         dw_val_class_range_list, dw_val_class_loc_list,
3882         dw_val_class_lineptr and dw_val_class_macptr, use
3883         DW_FORM_flag_present for dw_val_class_flag and
3884         DW_FORM_exprloc for dw_val_class_loc.
3885         (output_die): For -gdwarf-4 print dw_val_class_loc
3886         size as uleb128 instead of 1 or 2 bytes and don't print
3887         anything for dw_val_class_flag.
3888
3889         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3890         instead of cselib_lookup following by tweaking locs->setting_insn.
3891
3892         PR bootstrap/43596
3893         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3894         even before returning from label, setjmp call or volatile asm
3895         handling.
3896
3897 2010-03-31  Richard Guenther  <rguenther@suse.de>
3898
3899         PR middle-end/43600
3900         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3901         temporary data on stack.
3902
3903 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3904
3905         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3906         (PUSHSECTION_ASM_OP): Remove.
3907         (POPSECTION_ASM_OP): Remove.
3908         (PUSHSECTION_FORMAT): Remove.
3909         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3910         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3911         * config/sol2.c (solaris_output_init_fini): Use it.
3912
3913 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3914
3915         PR 43574
3916         * opt-functions.awk (var_type_struct): Use signed char type
3917         for simple variables.
3918
3919 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3920
3921         * config/sol2.c: Include output.h.
3922         (solaris_assemble_visibility): New function.
3923         * config/t-sol2 (sol2.o): Add output.h dependency.
3924         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3925         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3926         Redefine.
3927
3928 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3929
3930         PR target/43580
3931         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3932         V2SImode or XFmode on PRE_DEC.
3933
3934         PR debug/43557
3935         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3936         BLKmode.
3937
3938 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3939
3940         PR 43562
3941         * reload.h (caller_save_initialized_p): Declare.
3942         * toplev.c (backend_init_target): Don't call
3943         init_caller_save but set caller_save_initialized_p to false.
3944         * caller-save.c (caller_save_initialized_p): Define.
3945         (init_caller_save): Check caller_save_initialized_p.
3946         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3947
3948 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3949
3950         PR target/39048
3951         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3952         and soft-fp/t-softfp to tmake_file.
3953         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3954         (LIBGCC2_TF_CEXT): Define.
3955         (TF_SIZE): Define.
3956
3957 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3958
3959         PR debug/42977
3960         * cselib.c (n_useless_values): Document handling of debug locs.
3961         (n_useless_debug_values, n_debug_values): New variables.
3962         (new_elt_loc_list): Don't add to debug values, keep count.
3963         (promote_debug_loc): New.
3964         (cselib_reset_table): Zero new variables.
3965         (entry_and_rtx_equal_p): Promote debug locs.
3966         (discard_useless_locs): Increment n_useless_debug_values for
3967         debug values.
3968         (remove_useless_values): Adjust n_useless_values and n_debug_values
3969         with n_useless_debug_values.
3970         (add_mem_for_addr): Promote debug locs.
3971         (cselib_lookup_mem): Likewise.
3972         (cselib_lookup_addr): Renamed to...
3973         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3974         (cselib_log_lookup): ... this.  Turn into...
3975         (cselib_lookup_addr): ... new wrapper.
3976         (cselib_lookup_from_insn): New.
3977         (cselib_invalidate_regno): Increment n_useless_debug_values for
3978         debug values.
3979         (cselib_invalidate_mem): Likewise.
3980         (cselib_process_insn): Take n_deleted and n_debug_values into
3981         account to guard remove_useless_value call.
3982         (cselib_finish): Zero n_useless_debug_values.
3983         * cselib.h (cselib_lookup_from_insn): Declare.
3984         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3985         (sched_analyze_2): Likewise.
3986
3987 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3988
3989         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3990         functions.
3991         (adjust_mems): Replace narrowing SUBREG of expression containing
3992         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3993         with operations in the narrower mode.
3994
3995         PR debug/43593