OSDN Git Service

e282e15d8f0c2e8c5d99c9c9aa724cdb7bcfae74
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * tree.h: Fix truncated long macros.
4
5 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
6
7         * collect2.c (TARGET_64BIT): Redefine to target's default.
8         * tlink.c: Likewise.
9         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
10         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
11         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
12         for underscoring __USER_LABEL_PREFIX__.
13         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
14         (SUB_LINK_ENTRY32): New.
15         (SUB_LINK_ENTRY64): New.
16         (LINK_SPEC): Replace entry point spec by
17         SUB_LINK_ENTRY.
18         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
19         (SUB_LINK_ENTRY64): New.
20         (SUB_LINK_ENTRY): New.
21         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
22         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
23         x64 target is choosen.
24         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
25         * configure: Regenerated.
26         * configure.ac (leading-mingw64-underscores): Option added.
27
28 2010-04-27  Jan Hubicka  <jh@suse.cz>
29
30         * doc/invoke.texi (-fipa-profile): Document.
31         * opts.c (decode_options): Enable ipa-profile at -O1.
32         * timevar.def (TV_IPA_PROFILE): Define.
33         * common.opt (fipa-profile): Add.
34         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
35         flag for clones.
36         (cgraph_propagate_frequency): Handle only local ones.
37         * tree-pass.h (pass_ipa_profile): Declare.
38         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
39         (pass_ipa_profile): Use TV_IPA_PROFILE.
40         * ipa.c (ipa_profile): New function.
41         (gate_ipa_profile): Likewise.
42         (pass_ipa_profile): New global variable.
43         * passes.c (pass_ipa_profile): New.
44
45 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
46
47         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
48
49 2010-04-27  Martin Jambor  <mjambor@suse.cz>
50
51         PR middle-end/43812
52         * ipa.c (dissolve_same_comdat_group_list): New function.
53         (function_and_variable_visibility): Call
54         dissolve_same_comdat_group_list when comdat group contains external or
55         newly local nodes.
56         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
57         lists are circular and that they contain only DECL_ONE_ONLY nodes.
58
59 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
60
61         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
62         (const_hash_1) <VECTOR_CST>: New case.
63         (compare_constant) <VECTOR_CST>: Likewise.
64         <ADDR_EXPR>: Deal with LABEL_REFs.
65         (copy_constant) <VECTOR_CST>: New case.
66
67 2010-04-27  Jan Hubicka  <jh@suse.cz>
68
69         * cgraph.c (cgraph_propagate_frequency): New function.
70         * cgraph.h (cgraph_propagate_frequency): Declare.
71         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
72         cgraph_propagate_frequency.
73
74 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
75
76         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
77
78 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
79
80         PR target/40657
81         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
82         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
83         here to determine which regs to push and how much stack to reserve.
84
85 2010-04-27  Jie Zhang  <jie@codesourcery.com>
86
87         * doc/gimple.texi (gimple_statement_with_ops): Remove
88         addresses_taken field.
89         (gimple_statement_with_memory_ops): Likewise.
90
91 2010-04-27  Jan Hubicka  <jh@suse.cz>
92
93         * tree-inline.c (eni_inlining_weights): Remove.
94         (estimate_num_insns): Special case more builtins.
95
96 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
97         
98         PR c/32207
99         * c-typeck.c (build_binary_op): Move forward check for comparison
100         pointer with null pointer constant and adjust the diagnostic message.
101
102 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
103
104         PR lto/42776
105         * configure.ac (gcc_cv_as_section_has_align): Set if installed
106         binutils supports extended .section directive needed by LTO, or
107         warn if older binutils found.
108         (LTO_BINARY_READER): New AC_SUBST'd variable.
109         (LTO_USE_LIBELF): Likewise.
110         * gcc/config.gcc (lto_binary_reader): New target-specific configure
111         variable.
112         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
113         (LTO_USE_LIBELF): Likewise.
114         * configure: Regenerate.
115
116         * collect2.c (is_elf): Rename from this ...
117         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
118          object files in addition to ELF-formatted ones.
119         (scan_prog_file): Caller updated.  Also allow for LTO info marker
120         symbol to be prefixed or not by an extra underscore.
121
122         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
123         * config/i386/winnt.c: Also #include lto-streamer.h
124         (i386_pe_asm_named_section): Specify 1-byte section alignment for
125         LTO named sections.
126         (i386_pe_asm_output_aligned_decl_common): Add comment.
127         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
128
129 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
130
131         PR target/43889
132         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
133         Add missing earlyclobber for second alternative.
134
135 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
136
137         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
138         bits for artificial defs at the top of the block.
139         * fwprop.c (single_def_use_enter_block): Don't call it.
140
141 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
142
143         PR 43715
144         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
145         instead of "$gcc_cv_objdump -T".
146         Use "-undefined dynamic_lookup" on darwin.
147         * gcc/configure: Regenerate.
148
149 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
150
151         PR c/43893
152         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
153
154 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
155
156         * c-parser.c (struct c_token): Move location field up.
157         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
158         (struct c_declspecs): Convert typespec_word, storage_class, and
159         default_int_p into bitfields.
160         (struct c_declarator): Move loc field up.
161
162 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
163
164         * cfgloop.h (struct loop): Move can_be_parallel field up.
165         * ipa-prop.h (struct ip_node_params): Move bitfields up.
166         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
167         down.
168         (struct iv_cand): Convert pos field into a bitfield.
169         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
170         field up.
171         (struct _stmt_vec_info): Shuffle fields for better packing.
172
173 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
174
175         * varasm.c (IN_NAMED_SECTION): Remove guard.
176         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
177         (IN_NAMED_SECTION_P): ...this.
178         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
179         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
180
181 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
182
183         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
184         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
185         of shadowing it.  Fix comments.
186
187 2010-04-26  Jan Hubicka  <jh@suse.cz>
188
189         * cgraph.c (cgraph_create_node): Set node frequency to normal.
190         (cgraph_clone_node): Copy function frequency.
191         * cgraph.h (node_frequency): New enum
192         (struct cgraph_node): Add.
193         * final.c (rest_of_clean_state): Update.
194         * lto-cgraph.c (lto_output_node): Output node frequency.
195         (input_overwrite_node): Input node frequency.
196         * tre-ssa-loop-ivopts (computation_cost): Update.
197         * lto-streamer-out.c (output_function): Do not output function
198         frequency.
199         * predict.c (maybe_hot_frequency_p): Update and handle functions
200         executed once.
201         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
202         attribute lookup.
203         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
204         (compute_function_frequency): Set noreturn functions to be executed
205         once.
206         (choose_function_section): Update.
207         * lto-streamer-in.c (input_function): Do not input function frequency.
208         * function.c (allocate_struct_function): Do not initialize function
209         frequency.
210         * function.h (function_frequency): Remove.
211         (struct function): Remove function frequency.
212         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
213         (try_update): Update.
214         * tree-inline.c (initialize_cfun): Do not update function frequency.
215         * passes.c (pass_init_dump_file): Update.
216         * i386.c (ix86_compute_frame_layout): Update.
217         (ix86_pad_returns): Update.
218
219 2010-04-26  Jie Zhang  <jie@codesourcery.com>
220
221         PR tree-optimization/43833
222         * tree-vrp.c (range_int_cst_p): New.
223         (range_int_cst_singleton_p): New.
224         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
225         when both operands are constants.  Use range_int_cst_p in
226         BIT_IOR_EXPR case.
227
228 2010-04-26  Jan Hubicka  <jh@suse.cz>
229
230         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
231
232 2010-04-26  Richard Guenther  <rguenther@suse.de>
233
234         PR lto/43080
235         * gimple.c (gimple_decl_printable_name): Deal gracefully
236         with a NULL DECL_NAME.
237
238 2010-04-26  Richard Guenther  <rguenther@suse.de>
239
240         PR lto/42425
241         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
242         if emitting debug information and it is either a function
243         or a namespace decl.
244
245 2010-04-26  Ira Rosen  <irar@il.ibm.com>
246
247         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
248         determine if the statement is vectorizable, and a macro to 
249         access it.
250         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
251         Skip statements that can't be vectorized. If the analysis 
252         fails, mark the statement as unvectorizable if vectorizing 
253         basic block.
254         (vect_compute_data_refs_alignment): Likewise.
255         (vect_verify_datarefs_alignment): Skip statements marked as 
256         unvectorizable. Add print.
257         (vect_analyze_group_access): Skip statements that can't be 
258         vectorized. If the analysis fails, mark the statement as 
259         unvectorizable if vectorizing basic block.
260         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
261         Likewise.
262         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
263         generated stmts for SLP.
264         (new_stmt_vec_info): Initialize the new field.
265         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
266         statements marked as unvectorizable.
267
268 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
269
270         * c-common.c (flag_isoc1x): New.
271         (flag_isoc99): Update comment.
272         * c-common.h (flag_isoc1x): New.
273         (flag_isoc99): Update comment.
274         * c-cppbuiltin.c (builtin_define_float_constants): Also define
275         __<type>_DECIMAL_DIG__.
276         * c-opts.c (set_std_c1x): New.
277         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
278         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
279         * c.opt (-std=c1x, -std=gnu1x): New options.
280         * doc/cpp.texi: Mention -std=c1x.
281         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
282         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
283         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
284         * doc/standards.texi: Mention C1X.
285         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
286         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
287         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
288         Define for C1X.
289
290 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
291
292         * config/i386/gmon-sol2.c (_mcleanup): Change format string
293         placeholder from 0x%x to %#x.
294         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
295         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
296         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
297         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
298         * config/i386/i386.c (ix86_target_string): Ditto.
299         (output_pic_addr_const): Ditto.
300         (print_operand): Ditto.
301
302 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
303
304         * combine.c (find_split_point): Add third argument.  Use it
305         to find nested multiply-accumulate instructions.  Adjust calls.
306         (try_combine): Adjust call to find_split_point.
307
308 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
309
310         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
311
312 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
313
314         PR tree-optimization/41442
315         * fold-const.c (merge_truthop_with_opposite_arm): New function.
316         (fold_binary_loc): Call it.
317
318 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
319
320         * toplev.c (general_init): Set default for fdiagnostics-show-option.
321         * opts.c (common_handle_option): Allow disabling it.
322         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
323
324 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
325
326         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
327         between modes if both types are integral.
328
329 2010-04-23  Richard Guenther  <rguenther@suse.de>
330
331         PR tree-optimization/43572
332         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
333
334 2010-04-23  Richard Guenther  <rguenther@suse.de>
335
336         PR lto/43455
337         * tree-inline.c (tree_can_inline_p): Also check compatibility
338         of return types.
339
340 2010-04-23  Martin Jambor  <mjambor@suse.cz>
341
342         PR tree-optimization/43846
343         * tree-sra.c (struct access): New flag grp_assignment_read.
344         (build_accesses_from_assign): Set grp_assignment_read.
345         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
346         (enum mark_read_status): New type.
347         (analyze_access_subtree): Propagate grp_assignment_read, create
348         accesses also if both direct_read and root->grp_assignment_read.
349
350 2010-04-23  Martin Jambor  <mjambor@suse.cz>
351
352         PR middle-end/43835
353         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
354         function does not have type attributes.
355
356 2010-04-23  Richard Guenther  <rguenther@suse.de>
357
358         PR lto/42653
359         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
360         of FUNCTION_DECLs.
361
362 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
363
364         * sese.h (create_if_region_on_edge): Remove.
365
366         * sese.c (create_if_region_on_edge): Make static.
367
368         * tree-inline.c: Do not include ggc.h.
369
370         * expr.c: Do not include ggc.h.
371
372         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
373         dependencies.
374
375 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
376
377         PR target/43744
378         * config/sh/sh.c (find_barrier): Don't emit a constant pool
379         in the middle of insns for casesi_worker_2.
380
381 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
382
383         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
384
385 2010-04-22  Ira Rosen  <irar@il.ibm.com>
386
387         PR tree-optimization/43842
388         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
389         loop unrolling in update of exit phis. Fix comment.
390         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
391         least two reduction statements in the loop before starting SLP
392         analysis.
393
394 2010-04-22  Nick Clifton  <nickc@redhat.com>
395
396         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
397
398 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
399
400         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
401         to simplify a + ~a.
402
403 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
404
405         * tree-parloops.c (loop_parallel_p): New argument
406         parloop_obstack.  Pass it down.
407         (parallelize_loops): New variable parloop_obstack.  Initialize it,
408         pass it down, free it.
409
410         * tree-loop-linear.c (linear_transform_loops): Pass down
411         lambda_obstack.
412
413         * tree-data-ref.h (lambda_compute_access_matrices): New argument
414         of type struct obstack *.
415
416         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
417         scratch_obstack.  Initialize it, pass down, free it.
418
419         * lambda.h (lambda_loop_new): Remove.
420         (lambda_matrix_new, lambda_matrix_inverse)
421         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
422         argument of type struct obstack *.
423
424         * lambda-trans.c (lambda_trans_matrix_new): New argument
425         lambda_obstack.  Pass it down, use obstack allocation for ret.
426         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
427         it down.
428
429         * lambda-mat.c (lambda_matrix_get_column)
430         (lambda_matrix_project_to_null): Remove.
431         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
432         allocation for mat.
433         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
434         lambda_obstack.
435
436         * lambda-code.c (lambda_loop_new): New function.
437         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
438         (lambda_compute_auxillary_space, lambda_compute_target_space)
439         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
440         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
441         (build_access_matrix): New argument lambda_obstack.  Use obstack
442         allocation for am.
443         (lambda_compute_step_signs, lambda_compute_access_matrices): New
444         argument lambda_obstack.  Pass it down.
445
446 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
447
448         * optabs.h (expand_widening_mult): Declare.
449
450 2010-04-22  Richard Guenther  <rguenther@suse.de>
451
452         PR tree-optimization/43845
453         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
454         lookup the CALL_EXPR function and arguments.
455
456 2010-04-22  Nick Clifton  <nickc@redhat.com>
457
458         * config/stormy16/stormy16.c
459         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
460         * config/stormy16/stormy16.h: Tidy up formatting.
461         (DONT_USE_BUILTIN_SETJMP): Remove definition.
462         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
463         (ineqbranchsi): Delete pattern.
464         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
465         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
466         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
467         stormy16-lib2-ucmpsi2.c.
468
469 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
470
471         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
472         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
473         extra set merge_set_noclobber, and use it to relax the final test
474         slightly.
475         * df.h (df_simulate_find_noclobber_defs): Declare.
476         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
477         conditional defs.
478         (df_simulate_find_noclobber_defs): New function.
479
480 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
481
482         * config/i386/i386.md: Use {} around multi-line preparation statements.
483
484 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
485
486         * c-tree.h (push_init_level, pop_init_level, set_init_index)
487         (process_init_element): New argument of type struct obstack *.
488
489         * c-typeck.c (push_init_level, pop_init_level, set_designator)
490         (set_init_index, set_init_label, set_nonincremental_init)
491         (set_nonincremental_init_from_string, find_init_member)
492         (output_init_element, output_pending_init_elements)
493         (process_init_element): New argument braced_init_obstack.  Pass it
494         down.
495         (push_range_stack, add_pending_init): New argument
496         braced_init_obstack.  Use obstack allocation.
497
498         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
499         braced_init_obstack.  Pass it down.
500         (c_parser_braced_init): New variables ret, braced_init_obstack.
501         Initialize obstack, pass it down and finally free it.
502
503 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
504
505         PR middle-end/29274
506         * tree-pass.h (pass_optimize_widening_mul): Declare.
507         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
508         gate_optimize_widening_mul): New static functions.
509         (pass_optimize_widening_mul): New.
510         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
511         <case MULT_EXPR>: Remove support for widening multiplies.
512         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
513         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
514         simplify_gen_unary rather than directly building extensions.
515         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
516         WIDEN_MULT_EXPR.
517         * expmed.c (expand_widening_mult): New function.
518         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
519
520 2010-04-21  Jan Hubicka  <jh@suse.cz>
521
522         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
523         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
524         * lto-wpa-fixup.c: Remove.
525         * Makefile.in (lto-wpa-fixup.o): Remove.
526         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
527         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
528         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
529
530 2010-04-21  Jan Hubicka  <jh@suse.cz>
531
532         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
533         add write_optimization_summary, read_optimization_summary.
534         (ipa_write_summaries_of_cgraph_node_set): Remove.
535         (ipa_write_optimization_summaries): Declare.
536         (ipa_read_optimization_summaries): Declare.
537         * ipa-cp.c (pass_ipa_cp): Update.
538         * ipa-reference.c (pass_ipa_reference): Update.
539         * ipa-pure-const.c (pass_ipa_pure_const): Update.
540         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
541         Update.
542         * ipa-inline.c (pass_ipa_inline): Update.
543         * ipa.c (pass_ipa_whole_program): Update.
544         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
545         * passes.c (ipa_write_summaries_1): Do not test wpa.
546         (ipa_write_optimization_summaries_1): New.
547         (ipa_write_optimization_summaries): New.
548         (ipa_read_summaries): Do not test ltrans.
549         (ipa_read_optimization_summaries_1): New.
550         (ipa_read_optimization_summaries): New.
551
552 2010-04-21  Jan Hubicka  <jh@suse.cz>
553
554         * lto-cgraph.c (lto_output_node): Do not output comdat groups
555         for boundary nodes.
556         (output_cgraph): Do not arrange comdat groups for boundary nodes.
557
558 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
559
560         PR debug/40040
561         * dwarf2out.c (add_name_and_src_coords_attributes): Add
562         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
563
564 2010-04-21  Jan Hubicka  <jh@suse.cz>
565
566         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
567
568 2010-04-21  Jan Hubicka  <jh@suse.cz>
569
570         * varpool.c (decide_is_variable_needed): Variable is always needed
571         during ltrans.
572
573 2010-04-21  Jan Hubicka  <jh@suse.cz>
574
575         * opts.c (decode_options): Enable pure-const pass for whopr.
576
577 2010-04-21  Jan Hubicka  <jh@suse.cz>
578
579         * cgraph.c (dump_cgraph_node): Dump also assembler name.
580         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
581         at WPA dumping.
582         (cgraph_decide_inlining): Do not expect callee to be removed in all
583         cases.
584
585 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
586
587         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
588
589 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
590
591         * config/i386/i386.md (x86_shrd): Add athlon_decode and
592         amdfam10_decode attributes.
593
594 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
595
596         PR middle-end/43570
597         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
598         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
599         (lower_copyprivate_clauses): Use private var in outer
600         context instead of original var.  Make sure the types
601         are correct for VLAs.
602
603 2010-04-21  Richard Guenther  <rguenther@suse.de>
604
605         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
606         to non-pointer objects.
607
608 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
609
610         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
611         last chain entry if it starts with the still current label.
612         (add_location_or_const_value_attribute): Check that
613         loc_list->first->next is NULL instead of comparing ->first with ->last.
614         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
615         to add_var_loc_to_decl.
616
617         * dwarf2out.c (output_call_frame_info): For dw_cie_version
618         >= 4 add also address size and segment size fields into CIE header.
619
620         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
621         long as address size is the same as sizeof (void *) and
622         segment size is 0.
623         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
624         address size or segment size is unexpected, return DW_EH_PE_omit.
625         (classify_object_over_fdes): If get_cie_encoding returned
626         DW_EH_PE_omit, return -1.
627         (init_object): If classify_object_over_fdes returned -1,
628         pretend there were no FDEs at all.
629
630 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
631
632         * config/i386/i386.md (bswap<mode>2): Macroize expander from
633         bswap{si,di}2 using SWI48 mode iterator.
634         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
635         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
636         set modrm attribute of bswap insn to 0 and remove length attribute.
637         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
638         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
639         set mode attribute to <MODE> and remove length attribute.
640
641 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
642
643         PR rtl-optimization/43520
644         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
645         zero available registers.
646
647 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
648
649         * builtins.c (fold_builtin_cproj): Fold more cases.
650
651 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
652
653         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
654         (fold_builtin_1): Fold builtin cproj.
655         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
656         Use ATTR_CONST_NOTHROW_LIST.
657
658 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
659
660         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
661         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
662         ffsi2_no_cmove for !TARGET_CMOVE.
663         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
664         (ffssi2): Remove expander.
665         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
666         mode iterator.
667         (ctz<mode>2): Ditto from ctz{si,di}2.
668         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
669         mode iterator.
670         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
671         mode iterator.
672
673 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
674
675         * dwarf2out.c (AT_linkage_name): Define.
676         (clone_as_declaration): Handle DW_AT_linkage_name.
677         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
678         of DW_AT_MIPS_linkage_name.
679         (move_linkage_attr): Likewise.
680         (dwarf2out_finish): Likewise.
681
682 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
683
684         PR middle-end/41952
685         * fold-const.c (fold_comparison): New folding rule.
686
687 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
688
689         * double-int.h (double_int_setbit): Declare.
690         * double-int.c (double_int_setbit): New function.
691         * rtl.h (immed_double_int_const): Declare.
692         * emit-rtl.c (immed_double_int_const): New function.
693         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
694         and immed_double_int_const functions.
695         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
696         expand_copysign_bit):  (Ditto.).
697         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
698         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
699         * dojump.c (prefer_and_bit_test): (Ditto.).
700         * expr.c (convert_modes, reduce_to_bit_field_precision,
701         const_vector_from_tree): (Ditto.).
702         * expmed.c (mask_rtx, lshift_value): (Ditto.).
703
704 2010-04-20  Jan Hubicka  <jh@suse.cz>
705
706         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
707         (dump_cgraph_node): Dump new flags.
708         * cgraph.h (struct cgraph_node): Add flags
709         reachable_from_other_partition and in_other_partition.
710         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
711         other partition can not be removed.
712         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
713         the other partition must be output; silence sanity checking on
714         leaking functions bodies from other paritition.
715         * lto-cgraph.c (reachable_from_other_partition_p): New function.
716         (lto_output_node): Output new flags; do not sanity check that inline
717         clones are output; drop lto_forced_extern_inline_p code; do not mock
718         visibility flags at partition boundaries.
719         (add_node_to): New function.
720         (output_cgraph): Use it to sort functions so masters appear before
721         clones.
722         (input_overwrite_node): Input new flags.
723         * passes.c (ipa_write_summaries): Do not call
724         lto_new_extern_inline_states.
725         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
726         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
727         lto_forced_extern_inline_p): Kill.
728         * lto-streamer.h (lto_new_extern_inline_states,
729         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
730         lto_forced_extern_inline_p): Kill.
731
732 2010-04-20  Richard Guenther  <rguenther@suse.de>
733
734         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
735         from vars that can have pointers.
736         (process_constraint): Dump useless constraints.
737
738 2010-04-20  Richard Guenther  <rguenther@suse.de>
739
740         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
741         (dump_sa_points_to_info): Remove asserts.
742         (init_base_vars): nothing_id isn't an escape point nor does it
743         have pointers.
744
745 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
746
747         * tree.h (TYPE_REF_IS_RVALUE): Define.
748         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
749         should_move_die_to_comdat, prune_unused_types_walk): Handle
750         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
751         (modified_type_die, gen_reference_type_die): Emit
752         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
753         if TYPE_REF_IS_RVALUE and -gdwarf-4.
754
755 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
756
757         PR target/43635
758         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
759         calls for -fpic -m31 if they have been sibcall optimized.
760
761 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
762
763         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
764         ar.lc fixed and call-used.
765
766         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
767
768 2010-04-19  Jan Hubicka  <jh@suse.cz>
769
770         * opts.c (decode_options): Disable whpr incompatible passes.
771         * lto/lto.c (lto_1_to_1_map): Skip clones.
772         (read_cgraph_and_symbols): Do not mark everything as needed.
773         (do_whole_program_analysis): Do map only after optimizing;
774         set proper cgraph_state; use passmanager.
775
776 2010-04-19  DJ Delorie  <dj@redhat.com>
777
778         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
779         POINTER_PLUS_EXPR and fix them.
780
781 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
782
783         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
784         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
785         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
786         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
787         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
788         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
789         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
790         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
791         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
792         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
793         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
794
795 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
796
797         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
798         (check_cond_move_block): Likewise.
799         (cond_move_process_if_block): Likewise.
800         (noce_find_if_block): Improve formatting.
801         (find_if_header): Pass 0 to memset and tweak conditions.
802         (cond_exec_find_if_block): Fix long lines and tweak conditions.
803
804 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
805
806         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
807         for -gdwarf-4.
808
809         PR middle-end/43337
810         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
811         with non-local decl doesn't need chain.
812
813 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
814
815         * ira-color.c (allocno_reload_assign): Avoid accumulating
816         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
817
818 2010-04-19  Martin Jambor  <mjambor@suse.cz>
819
820         * gimple.h (create_tmp_reg): Declare.
821         * gimplify.c (create_tmp_reg): New function.
822         (gimplify_return_expr): Use create_tmp_reg.
823         (gimplify_omp_atomic): Likewise.
824         (gimple_regimplify_operands): Likewise.
825         * tree-dfa.c (make_rename_temp): Likewise.
826         * tree-predcom.c (predcom_tmp_var): Likewise.
827         (reassociate_to_the_same_stmt): Likewise.
828         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
829         (get_replaced_param_substitute): Likewise.
830         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
831         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
832         * tree-ssa-pre.c (get_representative_for): Likewise.
833         (create_expression_by_pieces): Likewise.
834         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
835         (create_tailcall_accumulator): Likewise.
836
837 2010-04-19  Martin Jambor  <mjambor@suse.cz>
838
839         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
840         new_stmt.
841         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
842
843 2010-04-19  Richard Guenther  <rguenther@suse.de>
844
845         PR tree-optimization/43796
846         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
847         from SCEV in the lattice.
848         (vrp_visit_phi_node): Dump change.
849
850 2010-04-19  Richard Guenther  <rguenther@suse.de>
851
852         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
853         * configure: Re-generated.
854
855 2010-04-19  Richard Guenther  <rguenther@suse.de>
856
857         PR tree-optimization/43783
858         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
859         constant ARRAY_REF operands two and three if possible.
860
861 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
862
863         PR target/43766
864         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
865
866 2010-04-19  Jie Zhang  <jie@codesourcery.com>
867
868         PR target/43662
869         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
870
871 2010-04-19  Ira Rosen  <irar@il.ibm.com>
872
873         PR tree-optimization/37027
874         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
875         and macro to access it.
876         (vectorizable_reduction): Add argument.
877         (vect_get_slp_defs): Likewise.
878         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
879         statements for possible use in SLP.
880         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
881         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
882         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
883         add new argument.
884         (vectorizable_reduction): Likewise.
885         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
886         vect_get_slp_defs.
887         (vectorizable_type_demotion, vectorizable_type_promotion,
888         vectorizable_store): Likewise.
889         (vect_analyze_stmt): Update call to vectorizable_reduction.
890         (vect_transform_stmt): Likewise.
891         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
892         (vect_build_slp_tree): Fix indentation. Check that there are no loads
893         from different interleaving chains in same node.
894         (vect_slp_rearrange_stmts): New function.
895         (vect_supported_load_permutation_p): Allow load permutations for
896         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
897         inside SLP nodes if necessary.
898         (vect_analyze_slp_instance): Handle reductions.
899         (vect_analyze_slp): Try to build SLP instances originating from groups
900         of reductions.
901         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
902         (vect_get_constant_vectors): Create initial vectors for reductions
903         according to reduction code. Add new argument.
904         (vect_get_slp_defs): Add new argument, pass it to
905         vect_get_constant_vectors.
906         (vect_schedule_slp_instance): Remove SLP tree root statements.
907
908 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
909
910         * tree.h (ENUM_IS_SCOPED): Define.
911         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
912         for ENUM_IS_SCOPED enums.
913
914 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
915
916         * fold-const.c (fold_comparison): Use ssizetype.
917         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
918         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
919         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
920         * tree-object-size.c (compute_object_sizes): Use size_type_node.
921
922         * tree.h (initialize_sizetypes): Remove parameter.
923         (build_common_tree_nodes): Remove second parameter.
924         * stor-layout.c (initialize_sizetypes): Remove parameter.
925         Always create an unsigned type.
926         (set_sizetype): Assert that the passed type is unsigned and simplify.
927         * tree.c (build_common_tree_nodes): Remove second parameter.
928         Adjust call to initialize_sizetypes.
929         * c-decl.c (c_init_decl_processing): Remove second argument in call to
930         build_common_tree_nodes.
931
932 2010-04-18  Matthias Klose  <doko@ubuntu.com>
933
934         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
935
936 2010-04-18  Ira Rosen  <irar@il.ibm.com>
937
938         PR tree-optimization/43771
939         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
940         load permutation doesn't have gaps.
941
942 2010-04-18  Jan Hubicka  <jh@suse.cz>
943
944         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
945         (sse_prologue_save_insn expander): Use new pattern.
946         (sse_prologue_save_insn1): New pattern and splitter.
947         (sse_prologue_save_insn): Update to deal also with 64bit aligned
948         blocks.
949         * i386.c (setup_incoming_varargs_64): Do not compute jump
950         destination here.
951         (ix86_gimplify_va_arg): Update alignment needed.
952         (ix86_local_alignment): Do not align all local arrays to 128bit.
953
954 2010-04-17  Jan Hubicka  <jh@suse.cz>
955
956         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
957
958 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
959
960         * arm.md (negdi2): Remove redundant code to force values into a
961         register.
962
963 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
964
965         * arm/bpabi.S: Add EABI alignment attributes to objects.
966         * arm/bpabi-v6m.S: Likewise.
967         * arm/crti.asm: Likewise.
968         * arm/crtn.asm: Likewise.
969         * arm/lib1funcs.asm: Likewise.
970         * arm/libunwind.S: Likewise.
971
972 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
973
974         * arm-protos.h (tune_params): New structure.
975         * arm.c (current_tune): New variable.
976         (arm_constant_limit): Delete.
977         (struct processors): Add pointer to the tune parameters.
978         (arm_slowmul_tune): New tuning option.
979         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
980         (all_cores): Adjust to pick up the tuning model.
981         (arm_constant_limit): New function.
982         (arm_override_options): Select the appropriate tuning model.  Delete
983         initialization of arm_const_limit.
984         (arm_split_constant): Use the new constant-limit model.
985         (arm_rtx_costs): Pick up the current tuning model.
986         * arm.md (is_strongarm, is_xscale): Delete.
987         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
988         for Xscale variant architectures.
989         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
990
991 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
992
993         * config/arm/arm.c (arm_gen_constant): Remove unused variable
994         can_shift.
995         (arm_rtx_costs_1): Remove unused variable extra_cost.
996         (arm_unwind_emit_set): Use variable offset.
997         (thumb1_output_casesi): Remove unused variable flags.
998
999 2010-04-16  Jeff Law  <law@redhat.com>
1000
1001         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1002         needing assignment rather than doing a two-phase assignment.  Remove
1003         unused variable 'm'.
1004
1005 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1006
1007         PR bootstrap/43767
1008         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1009
1010 2010-04-16  Doug Kwan  <dougkwan@google.com>
1011
1012         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1013         (next_operand_entry_id): New static variable.
1014         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1015         (add_to_ops_vec): Assigned unique ID to operand entry.
1016         (struct oecount_s): New field ID.
1017         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1018         (undistribute_ops_list): Assign unique IDs to oecounts.
1019         (init_reassoc): reset next_operand_entry_id.
1020
1021 2010-04-16  Doug Kwan  <dougkwan@google.com>
1022
1023         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1024         missing left parenthesis.
1025
1026 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1029         *btdi_rex64 using SWI48 mode iterator.
1030         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1031         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1032         *jcc_btdi_mask_rex64.
1033
1034 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1035
1036         * double-int.h (tree_to_double_int): Convert to macro.
1037         * double-int.c (tree_to_double_int): Remove.
1038
1039 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1040
1041         PR debug/43762
1042         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1043         with want_address 2 and in case a single element list might be
1044         possible, call it again with want_address 0.
1045
1046 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1047
1048         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1049         case 'W' print operands for HI mode.
1050         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1051         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1052         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1053         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1054
1055         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1056
1057         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1058         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1059         #xx:3 and #xx:4 mode.
1060
1061         * config/h8300/h8300.md (inverted load with HImode dest): Add
1062         support for H8300SX.
1063
1064         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1065         satisfy 'U' constraint.
1066
1067 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1068
1069         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1070         * configure: Regenerate.
1071         * config.in: Regenerate.
1072         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1073         works.
1074
1075 2010-04-16  Richard Guenther  <rguenther@suse.de>
1076
1077         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1078         (struct tree_decl_common): ... here.
1079         (DECL_PT_UID): Adjust.
1080         (SET_DECL_PT_UID): Likewise.
1081         (DECL_PT_UID_SET_P): Likewise.
1082
1083 2010-04-16  Richard Guenther  <rguenther@suse.de>
1084
1085         PR tree-optimization/43572
1086         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1087         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1088         * tree-flow.h (is_call_clobbered): Remove.
1089         * tree-flow-inline.h (is_call_clobbered): Likewise.
1090         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1091         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1092         (execute_return_slot_opt): Adjust.
1093         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1094         check for call clobbered vars here.
1095         (find_tail_calls): Move tailcall verification to the
1096         proper place.
1097
1098 2010-04-16  Diego Novillo  <dnovillo@google.com>
1099
1100         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1101
1102 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1103
1104         PR target/40603
1105         * config/arm/arm.md (cbranchqi4): New pattern.
1106         * config/arm/predicates.md (const0_operand,
1107         cbranchqi4_comparison_operator): New predicates.
1108
1109 2010-04-16  Richard Guenther  <rguenther@suse.de>
1110
1111         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1112         (dump_gimple_stmt): Likewise.
1113
1114 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1115
1116         * recog.h (struct recog_data): New field is_operator.
1117         (struct insn_operand_data): New field is_operator.
1118         * recog.c (extract_insn): Set recog_data.is_operator.
1119         * genoutput.c (output_operand_data): Emit code to set the
1120         is_operator field.
1121         * reload.c (find_reloads): Use it rather than testing for an
1122         empty constraint string.
1123
1124         PR target/41514
1125         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1126         If the previous insn is a cbranchsi4_insn with the same arguments,
1127         omit the compare instruction.
1128
1129         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1130         register, inputs must be low registers and we need a low register
1131         scratch.  Handle alternative 2 like alternative 3.
1132
1133 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1134
1135         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1136         don't call get_addr on both.  If one expression is a VALUE and
1137         the other a REG, check VALUE's locs if the REG isn't among them.
1138
1139 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1140
1141         * config/sh/sh.h (sh_frame_pointer_required): New function.
1142         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1143         (flag_omit_frame_pointer) Set.
1144         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1145         (rounded_frame_size): Adjust size with outgoing_args_size.
1146         (sh_set_return_address): Must return from stack pointer.
1147         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1148         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1149         (ACCUMULATE_OUTGOING_ARGS): Define.
1150         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1151         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1152
1153 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1154
1155         PR target/43471
1156         * config/sh/sh.c (sh_legitimize_reload_address): Use
1157         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1158         Remove a unneeded check for offset_base.
1159
1160 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1161
1162         * configure: Regenerated.
1163
1164 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1165
1166         * config/s390/s390.c (s390_call_save_register_used): Switch back
1167         to HARD_REGNO_NREGS.
1168
1169 2010-04-15  Richard Guenther  <rguenther@suse.de>
1170
1171         * alias.c (alias_set_subset_of): Handle alias-set zero
1172         child properly.
1173
1174 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1175             Julian Brown  <julian@codesourcery.com>
1176
1177         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1178         alternatives according to use of high and low regs.
1179         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1180         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1181         optimizing for size on Thumb-2.
1182
1183 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1184
1185         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1186
1187 2010-04-15  Richard Guenther  <rguenther@suse.de>
1188
1189         * tree-ssa-structalias.c (struct variable_info): Add
1190         is_fn_info flag.
1191         (new_var_info): Initialize it.
1192         (dump_constraints): Support printing last added constraints.
1193         (debug_constraints): Adjust.
1194         (dump_constraint_graph): Likewise.
1195         (make_heapvar_for): Check for NULL cfun.
1196         (get_function_part_constraint): New function.
1197         (get_fi_for_callee): Likewise.
1198         (find_func_aliases): Properly implement IPA PTA constraints.
1199         (process_ipa_clobber): New function.
1200         (find_func_clobbers): Likewise.
1201         (insert_into_field_list_sorted): Remove.
1202         (create_function_info_for): Properly allocate vars for IPA mode.
1203         Do not use insert_into_field_list_sorted.
1204         (create_variable_info_for): Properly generate constraints for
1205         global vars in IPA mode.
1206         (dump_solution_for_var): Always dump the solution.
1207         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1208         (find_what_var_points_to): Adjust.
1209         (pt_solution_set): Change.
1210         (pt_solution_ior_into): New function.
1211         (pt_solution_empty_p): Export.
1212         (pt_solution_includes_global): Adjust.
1213         (pt_solution_includes_1): Likewise.
1214         (pt_solutions_intersect_1): Likewise.
1215         (dump_sa_points_to_info): Check some invariants.
1216         (solve_constraints): Move constraint dumping ...
1217         (compute_points_to_sets): ... here.
1218         (ipa_pta_execute): ... and here.
1219         (compute_may_aliases): Do not re-compute points-to info
1220         locally if IPA info is available.
1221         (ipa_escaped_pt): New global var.
1222         (ipa_pta_execute): Properly implement IPA PTA.
1223         * tree-into-ssa.c (dump_decl_set): Support dumping
1224         decls not in referenced-vars.
1225         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1226         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1227         (dump_points_to_solution): Likewise.
1228         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1229         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1230         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1231         (copy_decl_to_var): Copy DECL_PT_UID.
1232         (copy_result_decl_to_var): Likewise.
1233         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1234         (copy_node_stat): Copy it.
1235         * tree.h (DECL_PT_UID): New macro.
1236         (SET_DECL_PT_UID): Likewise.
1237         (DECL_PT_UID_SET_P): Likewise.
1238         (struct tree_decl_minimal): Add pt_uid member.
1239         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1240         (pt_solution_empty_p): Declare.
1241         (pt_solution_set): Adjust.
1242         (ipa_escaped_pt): Declare.
1243         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1244         * gimple-pretty-print.c (pp_points_to_solution): New function.
1245         (dump_gimple_call): Dump call clobber/use information.
1246         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1247         * tree-pass.h (TDF_ALIAS): New dump option.
1248         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1249         * doc/invoke.texi (-fipa-pta): Update documentation.
1250
1251 2010-04-15  Richard Guenther  <rguenther@suse.de>
1252
1253         * Makefile.in (OBJS-common): Add gimple-fold.o.
1254         (gimple-fold.o): New rule.
1255         * tree.h (maybe_fold_offset_to_reference,
1256         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1257         prototypes ...
1258         * gimple.h: ... here.
1259         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1260         may_propagate_address_into_dereference): Move prototypes ...
1261         * gimple.h: ... here.
1262         * tree-ssa-ccp.c (get_symbol_constant_value,
1263         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1264         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1265         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1266         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1267         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1268         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1269         gimplify_and_update_call_from_tree): Move ...
1270         * gimple-fold.c: ... here.  New file.
1271         (ccp_fold_builtin): Rename to ...
1272         (gimple_fold_builtin): ... this.
1273         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1274
1275 2010-04-15  Richard Guenther  <rguenther@suse.de>
1276
1277         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1278         fit_double_type, force_fit_type_double, add_double_with_sign,
1279         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1280         lrotate_double, rrotate_double, div_and_round_double): Move ...
1281         * double-int.c: ... here.
1282         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1283         add_double, neg_double, mul_double_with_sign, mul_double,
1284         lshift_double, rshift_double, lrotate_double, rrotate_double,
1285         div_and_round_double): Move prototypes ...
1286         * double-int.h: ... here.
1287
1288 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1289
1290         PR target/43742
1291         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1292         matching constraints to ensure inputs match the output.
1293
1294 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1295
1296         PR target/43742
1297         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1298         in an input-only operand.
1299
1300 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1301
1302         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1303         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1304         (double_int_negative_p): Convert to static inline function.
1305         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1306         (double_int_negative_p): Remove.
1307         * tree.h (lshift_double, rshift_double):
1308         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1309         * fold-const.c (fold_convert_const_int_from_real,
1310         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1311         (lshift_double): Change type of arith argument to bool.
1312         (rshift_double): Change type of arith argument to bool. Correct
1313         comment.
1314         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1315
1316 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1317
1318         PR target/21803
1319         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1320         at the start and end of the then/else blocks, and omit them from the
1321         conversion.
1322         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1323         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1324         (flow_find_head_matching_sequence): New function.
1325         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1326         * basic-block.h (flow_find_cross_jump,
1327         flow_find_head_matching_sequence): Declare functions.
1328
1329 2010-04-14  Jason Merrill  <jason@redhat.com>
1330
1331         PR c++/36625
1332         * c-common.c (attribute_takes_identifier_p): New fn.
1333         * c-common.h: Declare it.
1334
1335 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1336
1337         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1338         splitter condition.
1339         (*udivmod<mode>4): Ditto.
1340
1341 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1342
1343         * config/i386/i386.md (maxmin_int): Rename code attribute from
1344         maxminiprefix and update all users.
1345         (maxmin_float): Ditto from maxminfprefix.
1346         (logic): Ditto from logicprefix.
1347         (absneg_mnemonic): Ditto from absnegprefix.
1348         * config/i386/mmx.md: Update all users of maxminiprefix,
1349         maxminfprefix and logicprefix for rename.
1350         * config/i386/sse.md: Ditto.
1351         * config/i386/sync.md (sync_<code><mode>): Update for
1352         logicprefix rename.
1353
1354 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1355
1356         PR 42966
1357         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1358         warnings converted to errors.
1359
1360 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1361
1362         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1363         used insn_type variable.
1364         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1365         to avoid set-but-not-used warning.
1366
1367 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1368
1369         * df-core.c (df_ref_debug): Change format string placeholder
1370         from 0x%x to %#x.
1371         * dwarf2asm.c (dw2_asm_output_data_raw,
1372         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1373         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1374         * dwarf2out.c (output_cfi, output_cfi_directive,
1375         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1376         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1377         Ditto.
1378         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1379         * print-rtl.c (print_rtx): Ditto.
1380
1381 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1382
1383         PR middle-end/42694
1384         * builtins.c (expand_builtin_pow_root): New function to expand pow
1385         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1386         series of sqrt and cbrt calls under -ffast-math.
1387         (expand_builtin_pow): Call it.
1388
1389 2010-04-14  Michael Matz  <matz@suse.de>
1390
1391         PR tree-optimization/42963
1392         * tree-cfg.c (touched_switch_bbs): New static variable.
1393         (group_case_labels_stmt): New function broken out from ...
1394         (group_case_labels): ... here, use the above.
1395         (start_recording_case_labels): Allocate touched_switch_bbs.
1396         (end_recording_case_labels): Deallocate it, call
1397         group_case_labels_stmt.
1398         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1399
1400 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1401
1402         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1403         from insn template.
1404
1405 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1406
1407         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1408
1409 2010-04-13  Jan Hubicka  <jh@suse.cz>
1410
1411         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1412         of optimized out static functions.
1413         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1414         cost computation.  Also sanity check for overflows.
1415         (update_caller_keys): Update cgraph_edge_badness call; properly
1416         update fibheap and sanity check that it is up to date.
1417         (add_new_edges_to_heap): Update cgraph_edge_badness.
1418         (cgraph_decide_inlining_of_small_function): Likewise;
1419         add sanity checking that badness in heap is up to date;
1420         improve dumping of reason; Update badness of calls to the
1421         offline copy of function currently inlined; dump badness
1422         of functions not inlined because of unit growth limits.
1423
1424 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1425
1426         PR middle-end/32628
1427         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1428         because of sign-extension change when converting to sizetype here...
1429         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1430
1431         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1432         the folding to constants.  Remove redundant final conversion.
1433         (fold_binary) <associate>: Do not associate if the re-association of
1434         constants alone overflows.
1435         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1436         to the end of the list.
1437         (multiple_of_p) <COND_EXPR>: New case.
1438
1439 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1440
1441         * opt-functions.awk (opt_sanitized_name): New.
1442         (opt_enum): New.
1443         * optc-gen.awk: Use it
1444         * opth-gen.awk: Use it.
1445
1446 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1447
1448         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1449         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1450         children.  Call replace_uses_with_default_def_ssa_name to handle
1451         SSA_NAES on lhs.
1452
1453 2010-04-13  Michael Matz  <matz@suse.de>
1454
1455         PR middle-end/43730
1456         * builtins.c (expand_builtin_interclass_mathfn): Also create
1457         a register if the predicate doesn't match.
1458
1459 2010-04-13  Diego Novillo  <dnovillo@google.com>
1460
1461         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1462         * c-pch.c: Include timevar.h.
1463         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1464         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1465         * ggc-common.c: Include timevar.h.
1466         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1467         * timevar.def (TV_PCH_SAVE): Define.
1468         (TV_PCH_CPP_SAVE): Define.
1469         (TV_PCH_PTR_REALLOC): Define.
1470         (TV_PCH_PTR_SORT): Define.
1471         (TV_PCH_RESTORE): Define.
1472         (TV_PCH_CPP_RESTORE): Define.
1473
1474 2010-04-13  Michael Matz  <matz@suse.de>
1475
1476         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1477         into MINUS_EXPRs.
1478         (can_reassociate_p): New function.
1479         (break_up_subtract_bb, reassociate_bb): Use it.
1480
1481 2010-04-13  Richard Guenther  <rguenther@suse.de>
1482
1483         PR bootstrap/43737
1484         * builtins.c (c_readstr): Fix assert.
1485
1486 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1487
1488         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1489         when generating cltd insn.
1490
1491         (*ashl<mode>3_1): Remove special handling for register operand 2.
1492         (*ashlsi3_1_zext): Ditto.
1493         (*ashlhi3_1): Ditto.
1494         (*ashlhi3_1_lea): Ditto.
1495         (*ashlqi3_1): Ditto.
1496         (*ashlqi3_1_lea): Ditto.
1497         (*<shiftrt_insn><mode>3_1): Ditto.
1498         (*<shiftrt_insn>si3_1_zext): Ditto.
1499         (*<shiftrt_insn>qi3_1_slp): Ditto.
1500         (*<rotate_insn><mode>3_1): Ditto.
1501         (*<rotate_insn>si3_1_zext): Ditto.
1502         (*<rotate_insn>qi3_1_slp): Ditto.
1503
1504 2010-04-13  Richard Guenther  <rguenther@suse.de>
1505
1506         * tree-ssa-structalias.c (callused_id): Remove.
1507         (call_stmt_vars): New.
1508         (get_call_vi): Likewise.
1509         (lookup_call_use_vi): Likewise.
1510         (lookup_call_clobber_vi): Likewise.
1511         (get_call_use_vi): Likewise.
1512         (get_call_clobber_vi): Likewise.
1513         (make_transitive_closure_constraints): Likewise.
1514         (handle_const_call): Adjust to do per-call call-used handling.
1515         (handle_pure_call): Likewise.
1516         (find_what_var_points_to): Remove general callused handling.
1517         (init_base_vars): Likewise.
1518         (init_alias_vars): Initialize call_stmt_vars.
1519         (compute_points_to_sets): Process call-used and call-clobbered
1520         vars for call statements.
1521         (delete_points_to_sets): Free call_stmt_vars.
1522
1523 2010-04-13  Richard Guenther  <rguenther@suse.de>
1524
1525         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1526         Only add RW dependence for dependence distance zero.
1527         Adjust maximal vectorization factor according to dependences.
1528         Move alignment handling ...
1529         (vect_find_same_alignment_drs): ... here.  New function.
1530         (vect_analyze_data_ref_dependences): Adjust.
1531         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1532         (vect_analyze_data_refs): Adjust minimal vectorization factor
1533         according to data references.
1534         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1535         dependences before determining the vectorization factor.
1536         Analyze alignment after determining the vectorization factor.
1537         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1538         dependences before alignment.
1539         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1540         Adjust prototype.
1541         (vect_analyze_data_refs): Likewise.
1542         (MAX_VECTORIZATION_FACTOR): New define.
1543
1544 2010-04-13  Duncan Sands  <baldrick@free.fr>
1545
1546         * except.h (lang_eh_type_covers): Remove.
1547         * except.c (lang_eh_type_covers): Likewise.
1548
1549 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1550             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1551
1552         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1553         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1554         UNITS_PER_LONG where it is ABI relevant.
1555         (s390_return_addr_rtx): Likewise.
1556         (s390_back_chain_rtx): Likewise.
1557         (s390_frame_area): Likewise.
1558         (s390_frame_info): Likewise.
1559         (s390_initial_elimination_offset): Likewise.
1560         (save_gprs): Likewise.
1561         (s390_emit_prologue): Likewise.
1562         (s390_emit_epilogue): Likewise.
1563         (s390_function_arg_advance): Likewise.
1564         (s390_function_arg): Likewise.
1565         (s390_va_start): Likewise.
1566         (s390_gimplify_va_arg): Likewise.
1567         (s390_function_profiler): Likewise.
1568         (s390_optimize_prologue): Likewise.
1569         (s390_rtx_costs): Likewise.
1570         (s390_secondary_reload): Likewise.
1571         (s390_promote_function_mode): Likewise.
1572         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1573         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1574         registers available.
1575         (s390_unwind_word_mode): New function.
1576         (s390_function_value): Split 64 bit values into register pair if
1577         used as return value.
1578         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1579         function call parameters.  Handle parallels.
1580         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1581         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1582         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1583         (s390_expand_setmem): Remove unused variable src_addr.
1584         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1585         deal with 64 bit registers.
1586         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1587         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1588         (UNITS_PER_LONG): New macro.
1589         * libjava/include/s390-signal.h: Define extended ucontext
1590         structure containing the upper halfs of the 64 bit registers.
1591
1592 2010-04-13  Simon Baldwin  <simonb@google.com>
1593
1594         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1595
1596 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1597
1598         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1599         rvalue on the RHS if the LHS is of a non-renamable type.
1600         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1601
1602 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1603
1604         * gcc.c (cc1_options): Handle -iplugindir before processing
1605         the cc1 spec. Only add -iplugindir once.
1606         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1607         found.
1608         * common.opt (iplugindir): Remove `Separate' property, initialize.
1609         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1610         option.
1611         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1612         (distclean): Remove plugin dir.
1613         * doc/invoke.texi: Document -iplugindir.
1614
1615 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1616
1617         * doc/plugins.texi (Loading Plugins): Document short
1618         -fplugin=foo option.
1619         (Plugin API): Mention default_plugin_dir_name function.
1620
1621         * gcc.c (find_file_spec_function): Add new declaration.
1622         (static_spec_func): Use it for "find-file".
1623         (find_file_spec_function): Add new function.
1624         (cc1_options): Add -iplugindir option if -fplugin* options found.
1625
1626         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1627
1628         * plugin.c (add_new_plugin): Updated comment, and handle short
1629         plugin name.
1630         (default_plugin_dir_name): Added new function.
1631
1632         * common.opt (iplugindir): New option to set the plugin directory.
1633
1634 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1635
1636         * config/i386/i386.md (any_rotate): New code iterator.
1637         (rotate_insn): New code attribute.
1638         (rotate): Ditto.
1639         (SWIM124): New mode iterator.
1640         (<rotate_insn>ti3): New expander.
1641         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1642         any_rotate code iterator.
1643         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1644         using any_rotate code iterator and SWIM124 mode iterator.
1645         (ix86_rotlti3): New insn_and_split pattern.
1646         (ix86_rotrti3): Ditto.
1647         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1648         ix86_rotl{di,ti}3 patterns.
1649         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1650         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1651         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1652         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1653         code iterator and SWI mode iterator.
1654         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1655         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1656         code iterator.
1657         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1658         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1659         (bswap rotatert splitter): Add splitter.
1660         (bswap splitter): Macroize splitter using any_rotate code iterator.
1661         Add insn predicate to split only for TARGET_USE_XCHGB or when
1662         optimizing function for size.
1663
1664 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1665
1666         * config/pa/pa.c (emit_move_sequence): Remove use of
1667         deleted variable flag_argument_noalias.
1668
1669 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1670
1671         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1672         configurations.
1673         Add to unsupported targets list.
1674         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1675         sparc*-sun-solaris2.[567]* from target lists.
1676         * configure: Regenerate.
1677         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1678         removal.
1679         Remove Solaris 7 patch references.
1680         (Specific, sparc-sun-solaris2.7): Removed.
1681         (sparc-sun-solaris2*): Update Solaris 7 example.
1682         (sparc64-*-solaris2*): Likewise.
1683
1684 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1685
1686         * config.build (alpha*-dec-osf4*): Remove.
1687         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1688         of obsolete configurations.
1689         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1690         support.
1691         * config/alpha/t-osf4: Renamed to ...
1692         * config/alpha/t-osf5: ... this.
1693         * config/alpha/osf.h: Renamed to ...
1694         * config/alpha/osf5.h: ... this.
1695         Merged old osf5.h contents.
1696         Update comments.
1697         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1698         (EXTRA_SPECS): Removed.
1699         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1700         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1701         Document that.
1702
1703 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1704
1705         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1706
1707 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1708
1709         PR/43702
1710         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1711         __thiscall convention.
1712
1713 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1714
1715         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1716         orig_base.
1717         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1718
1719 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1720
1721         * function.c (assign_parms_initialize_all): Add unused attribute
1722         to fntype.
1723
1724 2010-04-12  Richard Guenther  <rguenther@suse.de>
1725
1726         * gsstruct.def (GSS_CALL): New.
1727         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1728         * gimple.h: Include tree-ssa-alias.h.
1729         (struct gimple_statement_call): New.
1730         (union gimple_statement_struct_d): Add gimple_call member.
1731         (gimple_call_reset_alias_info): Declare.
1732         (gimple_call_use_set): New function.
1733         (gimple_call_clobber_set): Likewise.
1734         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1735         * gimple.c (gimple_call_reset_alias_info): New function.
1736         (gimple_build_call_1): Call it.
1737         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1738         * tree-inline.c (remap_gimple_stmt): Likewise.
1739         (expand_call_inline): Remove callused handling.
1740         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1741         * tree-dfa.c (dump_variable): Likewise.
1742         * tree-parloops.c (parallelize_loops): Likewise.
1743         * tree-ssa.c (init_tree_ssa): Likewise.
1744         (delete_tree_ssa): Likewise.
1745         * tree-flow-inline.h (is_call_used): Remove.
1746         * tree-flow.h (struct gimple_df): Remove callused member.
1747         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1748         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1749         (ref_maybe_used_by_call_p_1): Simplify.
1750         (call_may_clobber_ref_p_1): Likewise.
1751         * tree-ssa-structalias.c (compute_points_to_sets): Set
1752         the call stmt used and clobbered sets.
1753         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1754         (find_tail_calls): Verify the tail call.
1755
1756 2010-04-12  Richard Guenther  <rguenther@suse.de>
1757
1758         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1759         single-iteration always-inline inlining.
1760         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1761         (cgraph_decide_inlining): Do not handle always-inline specially.
1762         (try_inline): Remove always-inline cycle detection special case.
1763         Do not recurse on always-inlines.
1764         (cgraph_early_inlining): Do not iterate if not optimizing.
1765         (cgraph_gate_early_inlining): remove.
1766         (pass_early_inline): Run unconditionally.
1767         (gate_cgraph_decide_inlining): New function.
1768         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1769         not inlining or optimizing.
1770         (cgraph_decide_inlining_of_small_functions): Also consider
1771         always-inline functions.
1772         (cgraph_default_inline_p): Return true for nodes which should
1773         disregard inline limits.
1774         (estimate_function_body_sizes): Assume zero size and time for
1775         nodes which are marked as disregarding inline limits.
1776         (cgraph_decide_recursive_inlining): Do not perform recursive
1777         inlining on always-inline nodes.
1778
1779 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1780
1781         PR bootstrap/43699
1782         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1783         for exprs satisfying handled_component_p.
1784
1785 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1786
1787         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1788         non-constant aggregate elements.
1789
1790         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1791         is a real initialization.
1792
1793 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1794
1795         PR c/36774
1796         * c-decl.c (start_function): Move forward check for nested function.
1797
1798 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1799
1800         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1801         * config/sh/sh.c: Include reload.h.
1802         (sh_legitimize_reload_address): New.
1803         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1804         sh_legitimize_reload_address.
1805
1806 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1807
1808         * config/sh/sh.md (*movqi_pop): New insn pattern.
1809         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1810
1811 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1812
1813         * config/i386/i386.md (any_shiftrt): New code iterator.
1814         (shiftrt_insn): New code attribute.
1815         (shiftrt): Ditto.
1816         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1817         using any_shiftrt code iterator.
1818         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1819         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1820         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1821         pattern from corresponding peephole2 patterns.
1822         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1823         using any_shiftrt code iterator.
1824         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1825         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1826         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1827         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1828         *{ashr,lshr}<mode>3_cmp_zext.
1829         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1830
1831 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1832
1833         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1834         scratch register.
1835         (*lshr<mode>3_cconly): Ditto.
1836
1837 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1838
1839         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1840         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1841         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1842         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1843         DWI mode iterator.
1844         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1845         from corresponding peephole2 patterns.
1846         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1847         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1848         and *lshrdi3_1_rex64 using SWI mode iterator.
1849         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1850         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1851         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1852         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1853         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1854         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1855         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1856         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1857         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1858         SWI mode iterator.
1859
1860 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1861
1862         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1863         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1864         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1865         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1866         DWI mode iterator.
1867         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1868         from corresponding peephole2 patterns.
1869         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1870         (ashrsi3_cvt): Rename from ashrsi3_31.
1871         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1872         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1873         and x86_64_shift_adj_3 using SWI48 mode iterator.
1874         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1875         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1876         and *ashrdi3_1_rex64 using SWI mode iterator.
1877         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1878         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1879         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1880         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1881         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1882         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1883         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1884         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1885         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1886         SWI mode iterator.
1887         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1888         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1889         x86_shift<mode>_adj_3 expanders.
1890
1891 2010-04-10  Wei Guozhi  <carrot@google.com>
1892
1893         PR target/42601
1894         * config/arm/arm.c (arm_pic_static_addr): New function.
1895         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1896         a static symbol.
1897         (arm_output_addr_const_extra): Output expression for new pattern.
1898         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1899
1900 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1901
1902         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1903         not enabled.
1904
1905         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1906         * web.c: Include "insn-config.h" and "recog.h".
1907         (union_match_dups): New function.
1908         (web_main): Call it.
1909         (union_defs): Don't try to recognize match_dups.
1910
1911         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1912         if doing so would replace the entire pattern.
1913
1914 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1915
1916         PR target/43707
1917         PR target/43709
1918         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1919         and splitter pattern.  Change splitter operand 1 predicate to
1920         nonmemory_operand.
1921
1922 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1923
1924         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1925         lattices are addresses of CONST_DECLs with the same initial value.
1926         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1927         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1928
1929 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1930             Bernd Schmidt  <bernds@codesourcery.com>
1931
1932         * loop-invariant.c (replace_uses): New static function.
1933         (move_invariant_reg): Use it to ensure we can replace the uses.
1934
1935 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1936
1937         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1938         function template.
1939         (picochip_override_options): Enable section anchors only above -O1.
1940         (picochip_reorg): Fixed a couple of build warnings.
1941
1942 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1943
1944         * configure.ac (plugin -rdynamic test): Log result.
1945         * configure: Regenerate.
1946         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1947         (RDYNAMIC_SPEC): Define.
1948         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1949
1950 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1951
1952         * configure.ac: Determine Sun ld version numbers.
1953         (comdat_group): Restrict GNU ld version checks to gld.
1954         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1955         (enable_comdat): Support --enable-comdat.
1956         * configure: Regenerate.
1957         * doc/install.texi (Configuration): Document --enable-comdat.
1958
1959 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1960
1961         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1962         * config/sol2-gld.h: ... here.
1963         * config.gcc (sparc*-*-solaris2*): Reflect this.
1964         (i[34567]86-*-solaris2*): Use it.
1965
1966 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1967
1968         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1969         setup_clocks_p.
1970         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1971
1972 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1973
1974         PR 42965
1975         * diagnostic.c (diagnostic_initialize): Initialize
1976         some_warnings_are_errors.
1977         (diagnostic_finish): New.
1978         (diagnostic_action_after_output): Call it before exiting.
1979         (diagnostic_report_diagnostic): Do not print message here. Set
1980         some_warnings_are_errors.
1981         * diagnostic.h (diagnostic_context): Delete
1982         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1983         (diagnostic_finish): Declare.
1984         * toplev.c (toplev_main): Call it before exit.
1985
1986 2010-04-09  Jason Merrill  <jason@redhat.com>
1987
1988         PR c++/42623
1989         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1990         for incomplete type.
1991
1992         PR c++/41788
1993         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1994         based on a warning flag.
1995
1996 2010-04-09  Richard Guenther  <rguenther@suse.de>
1997
1998         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1999
2000 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2001
2002         PR bootstrap/43684
2003         * varasm.c (default_assemble_visibility): Wrap vars that are
2004         set, but unused, by targets without GAS.
2005         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2006         Remove set, but unused, vars.
2007         (rs6000_legitimize_tls_address): Likewise.
2008         (altivec_expand_dst_builtin): Likewise.
2009         * config/darwin.c (machopic_classify_symbol): Likewise.
2010         (machopic_indirection_name): Likewise.
2011
2012 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2013
2014         * config/i386/i386.md (DWI): New mode iterator.
2015         (S): New mode attribute.
2016         (shift_operand): Ditto.
2017         (shift_immediate_operand): Ditto.
2018         (ashl_input_operand): Ditto.
2019         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2020         using SDWIM mode iterator.
2021         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2022         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2023         DWI mode iterator.
2024         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2025         from corresponding peephole2 patterns.
2026         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2027         and x86_64_shift_adj_1 using SWI48 mode iterator.
2028         (x86_shift<mode>_adj_2): Ditto.
2029         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2030         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2031         using SWI48 mode iterator.
2032         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2033         *ashldi3_cmp_rex64 using SWI mode iterator.
2034         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2035         *ashldi3_cconly_rex64 using SWI mode iterator.
2036         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2037         x86_shift<mode>_adj_{1,2}.
2038         (ix86_split_ashr): Ditto.
2039         (ix86_split_lshr): Ditto.
2040
2041 2010-04-09  Richard Guenther  <rguenther@suse.de>
2042
2043         * target.h (builtin_conversion): Pass in input and output types.
2044         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2045         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2046         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2047         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2048
2049         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2050         Handle AVX modes.
2051         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2052
2053 2010-04-09  Richard Guenther  <rguenther@suse.de>
2054
2055         PR target/43152
2056         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2057
2058 2010-04-09  Richard Guenther  <rguenther@suse.de>
2059
2060         * tree-vectorizer.h (struct _stmt_vec_info): Document
2061         that vectype is the type of the LHS.
2062         (supportable_widening_operation, supportable_narrowing_operation):
2063         Get both input and output vector types as arguments.
2064         (vect_is_simple_use_1): Declare.
2065         (get_same_sized_vectype): Likewise.
2066         * tree-vect-loop.c (vect_determine_vectorization_factor):
2067         Set STMT_VINFO_VECTYPE to the vector type of the def.
2068         (vectorizable_reduction): Adjust.
2069         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2070         Adjust.  Specify the output vector type.
2071         (vect_pattern_recog_1): Adjust.
2072         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2073         (vectorizable_call): Adjust.
2074         (vectorizable_conversion): Likewise.
2075         (vectorizable_operation): Likewise.
2076         (vectorizable_type_demotion): Likewise.
2077         (vectorizable_type_promotion): Likewise.
2078         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2079         the def.
2080         (vect_is_simple_use_1): New function.
2081         (supportable_widening_operation): Get both input and output
2082         vector types.
2083         (supportable_narrowing_operation): Likewise.
2084         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2085
2086 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2087
2088         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2089         __thiscall and _thiscall as predefined macros.
2090         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2091         thiscall attribute handling.
2092         (ix86_comp_type_attributes): Likewise.
2093         (ix86_function_regparm): Likewise.
2094         (ix86_return_pops_args): Likewise.
2095         (init_cumulative_args): Likewise.
2096         (find_drap_reg): Likewise.
2097         (ix86_static_chain): Likewise.
2098         (x86_this_parameter): Likewise.
2099         (x86_output_mi_thunk): Likewise.
2100         (ix86_attribute_table): Add description for thiscall attribute.
2101         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2102         * doc/extend.texi: Add documentation for thiscall.
2103
2104 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2105
2106         PR c++/28584
2107         * c.opt (Wint-to-pointer-cast): Available in C++.
2108         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2109
2110 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2111
2112         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2113         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2114         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2115         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2116         function type instead.  Reorder and simplify checks.
2117
2118         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2119
2120 2010-04-08  Jing Yu  <jingyu@google.com>
2121             Zdenek Dvorak  <ook@ucw.cz>
2122
2123         PR tree-optimization/42720
2124         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2125         loop unswitch conditions here from ...
2126         (tree_unswitch_single_loop): ... here.
2127
2128 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * tree-if-conv.c: Fix comments and simplify logic.
2131
2132 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2133
2134         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2135         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2136         (main_tree_if_conversion): Update call to tree_if_conversion.
2137
2138 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2139
2140         PR 42485
2141         * doc/invoke.texi (-b,-V): Delete.
2142         * doc/tm.texi: Do not mention -b.
2143         * gcc.c (display_help): Delete -b and -V.
2144         (process_command): Delete -b and -V.
2145         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2146
2147 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2148             Wolfgang Gellerich  <gellerich@de.ibm.com>
2149
2150         Implement target hook for loop unrolling
2151         * target.h (loop_unroll_adjust): Add a new target hook function.
2152         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2153         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2154         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2155         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2156         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2157         target hook.
2158         (decide_unroll_stupid): Likewise.
2159
2160 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2161
2162         PR target/43643
2163         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2164
2165 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2166
2167         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2168         (Specific, *-*-solaris2*): Likewise.
2169         Don't prefer Sun as over GNU as.
2170
2171 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2172
2173         * config/s390/s390.c (override_options): Adjust the z10
2174           defaults for max-unroll-times, max-completely-peeled-insns
2175           and max-completely-peel-times.
2176
2177 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2178
2179         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2180         instructions for z10.
2181         (s390_expand_setmem): Likewise.
2182         (s390_expand_cmpmem): Likewise.
2183
2184 2010-04-08  Richard Guenther  <rguenther@suse.de>
2185
2186         PR tree-optimization/43679
2187         * tree-ssa-pre.c (eliminate): Only propagate copies.
2188
2189 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2190
2191         PR bootstrap/43681
2192         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2193         set but not used variable warning.
2194
2195 2010-04-08  Wei Guozhi  <carrot@google.com>
2196
2197         PR target/41653
2198         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2199         (arm_size_rtx_costs): Call the new function when optimized for size.
2200
2201 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2202
2203         PR debug/43670
2204         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2205         op0 is not a MEM, just return NULL instead of assertion
2206         failure.
2207         (discover_nonconstant_array_refs): Don't walk debug stmts.
2208
2209 2010-04-08  Doug Kwan  <dougkwan@google.com>
2210
2211         * configure.ac: Recognize gold and do not use its version number
2212         to test ld features.
2213         * configure: Regenerate.
2214
2215 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2216
2217         PR middle-end/40815
2218         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2219         (negate_value): Move code to push elements to broken_up_substracts ...
2220         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2221         negative pair to plus_negates.
2222         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2223
2224 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2225
2226         * doc/install.texi (Configuration): Move description of
2227         --enable-lto, --with-libelf*, --enable-gold from Java section to
2228         general section.
2229
2230         * doc/generic.texi (Working with declarations)
2231         (Function Properties, C and C++ Trees): Fix typos.
2232         * doc/sourcebuild.texi (Top Level): Likewise.
2233
2234 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2235
2236         PR c/18624
2237         * tree.h (DECL_READ_P): Define.
2238         (struct tree_decl_common): Add decl_read_flag.
2239         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2240         a set but not used warning.
2241         (merge_decls): Merge DECL_READ_P flag.
2242         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2243         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2244         * c-common.c (handle_used_attribute, handle_unused_attribute):
2245         Likewise.
2246         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2247         New prototypes.
2248         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2249         New functions.
2250         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2251         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2252         c_parser_binary_expression, c_parser_cast_expression,
2253         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2254         Call default_function_array_read_conversion instead of
2255         default_function_array_conversion where needed.
2256         (c_parser_unary_expression, c_parser_conditional_expression,
2257         c_parser_postfix_expression_after_primary, c_parser_initelt):
2258         Likewise.  Call mark_exp_read where needed.
2259         (c_parser_statement_after_labels, c_parser_asm_operands,
2260         c_parser_typeof_specifier, c_parser_sizeof_expression,
2261         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2262         where needed.
2263         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2264         New.
2265         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2266         (warn_unused_but_set_parameter): Default to warn_unused
2267         && extra_warnings.
2268         * doc/invoke.texi: Document -Wunused-but-set-variable and
2269         -Wunused-but-set-parameter.
2270
2271         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2272         used count variable.
2273         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2274         when operandN variables aren't used in the body of the expander
2275         or splitter.
2276         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2277         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2278         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2279         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2280         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2281         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2282         * tree.c (PROCESS_ARG): Likewise.
2283
2284 2010-04-07  Simon Baldwin  <simonb@google.com>
2285
2286         * diagnostic.h (diagnostic_override_option_index): New macro to
2287         set a diagnostic's option_index.
2288         * c-tree.h (c_cpp_error): Add warning reason argument.
2289         * opts.c (_warning_as_error_callback): New.
2290         (register_warning_as_error_callback): Store callback for
2291         warnings enabled via enable_warning_as_error.
2292         (enable_warning_as_error): Call callback, minor code tidy.
2293         * opts.h (register_warning_as_error_callback): Declare.
2294         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2295         response to -Werror=.
2296         (c_common_init_options): Register warning_as_error_callback in opts.c.
2297         * common.opt: Add -Wno-cpp option.
2298         * c-common.c (struct reason_option_codes_t): Map cpp warning
2299         reason codes to gcc option indexes.
2300         * (c_option_controlling_cpp_error): New function, lookup the gcc
2301         option index for a cpp warning reason code.
2302         * (c_cpp_error): Add warning reason argument, call
2303         c_option_controlling_cpp_error for diagnostic_override_option_index.
2304         * doc/invoke.texi: Document -Wno-cpp.
2305
2306 2010-04-07  Richard Guenther  <rguenther@suse.de>
2307
2308         * ipa-reference.c (mark_load): Use get_base_address.
2309         (mark_store): Likewise.
2310
2311         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2312         inserting GIMPLE_NOPs into the IL.
2313         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2314         Explicitly strip handled components and indirect references.
2315
2316         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2317         folding address expressions.
2318         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2319         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2320         operand_equal_p to compare decls.
2321         (ptr_deref_may_alias_decl_p): Likewise.
2322         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2323         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2324         Handle reversed comparison ops.
2325         * tree-sra.c (asm_visit_addr): Use get_base_address.
2326         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2327         * ipa-reference.c (mark_address): Use get_base_address.
2328
2329 2010-04-07  Richard Guenther  <rguenther@suse.de>
2330
2331         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2332         Propagate constants everywhere.
2333
2334 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2335
2336         PR debug/43516
2337         * tree.c (MAX_INT_CACHED_PREC): Define.
2338         (nonstandard_integer_type_cache): New array.
2339         (build_nonstandard_integer_type): Cache results for precision
2340         <= MAX_INT_CACHED_PREC.
2341
2342 2010-04-07  Richard Guenther  <rguenther@suse.de>
2343
2344         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2345         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2346         * common.opt: Likewise.
2347         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2348         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2349         (nonoverlapping_memrefs_p): Likewise.
2350         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2351         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2352         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2353         OPT_fargument_noalias_global for backward compatibility.
2354
2355 2010-04-07  Richard Guenther  <rguenther@suse.de>
2356
2357         PR tree-optimization/43270
2358         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2359         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2360         * tree-ssa-pre.c (phi_translate_1): Adjust.
2361         (fully_constant_expression): Split out vn_reference handling to ...
2362         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2363         Fold reads from constant strings.
2364         (vn_reference_lookup): Handle fully constant references.
2365         (vn_reference_lookup_pieces): Likewise.
2366         * Makefile.in (expmed.o-warn): Add -Wno-error.
2367
2368 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2369
2370         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2371
2372 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2373
2374         PR driver/41594
2375         * gcc.c: Add -static-libstdc++ to list of recognized options.
2376
2377 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2378
2379         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2380
2381 2010-04-07  Richard Guenther  <rguenther@suse.de>
2382
2383         PR middle-end/42617
2384         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2385         bases build simple mem attributes to retain points-to information.
2386
2387 2010-04-07  Richard Guenther  <rguenther@suse.de>
2388
2389         PR middle-end/42617
2390         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2391         preserve points-to related information.
2392
2393 2010-04-07  Richard Guenther  <rguenther@suse.de>
2394
2395         PR middle-end/42617
2396         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2397         discard plain indirect references.
2398         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2399         * tree.c (tree_nop_conversion): Likewise.
2400
2401 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2402
2403         PR debug/43628
2404         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2405
2406 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2407
2408         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2409         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2410
2411 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2412
2413         * tree-if-conv.c: Fix indentation and comments.
2414
2415 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2416
2417         * tree-if-conv.c: Sort static functions in topological order.
2418
2419 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2420
2421         * tree-if-conv.c: Fix indentation and comments.
2422
2423 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2424
2425         PR middle-end/43519
2426         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2427         lang_hooks.types.type_for_size instead of
2428         build_nonstandard_integer_type.
2429         When converting an unsigned type to signed, double its precision.
2430         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2431         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2432         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2433         use lb <= ub.
2434
2435 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2436
2437         PR middle-end/43519
2438         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2439         POINTER_PLUS_EXPR for pointer types.
2440
2441 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2442
2443         PR middle-end/43519
2444         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2445         * graphite-clast-to-gimple.c: Include langhooks.h.
2446         (max_signed_precision_type): New.
2447         (max_precision_type): Takes two types as arguments.
2448         (precision_for_value): New.
2449         (precision_for_interval): New.
2450         (gcc_type_for_interval): New.
2451         (gcc_type_for_value): New.
2452         (gcc_type_for_clast_term): New.
2453         (gcc_type_for_clast_red): New.
2454         (gcc_type_for_clast_bin): New.
2455         (gcc_type_for_clast_expr): Split up into several functions.
2456         (gcc_type_for_clast_eq): Rewritten.
2457         (compute_bounds_for_level): New.
2458         (compute_type_for_level_1): New.
2459         (compute_type_for_level): New.
2460         (gcc_type_for_cloog_iv): Removed.
2461         (gcc_type_for_iv_of_clast_loop): Rewritten.
2462         (graphite_create_new_loop): Compute the lower and upper bound types
2463         with gcc_type_for_clast_expr.
2464         (graphite_create_new_loop_guard): Same.
2465         (find_cloog_iv_in_expr): Removed.
2466         (compute_cloog_iv_types_1): Removed.
2467         (compute_cloog_iv_types): Removed.
2468         (gloog): Do not call compute_cloog_iv_types.
2469         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2470         GBB_CLOOG_IV_TYPES.
2471         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2472         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2473         (GBB_CLOOG_IV_TYPES): Removed.
2474
2475 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2476
2477         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2478         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2479         (detect_commutative_reduction): Same.
2480
2481 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2482
2483         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2484         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2485         argument.
2486         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2487         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2488         (rewrite_commutative_reductions_out_of_ssa): Same.
2489         * passes.c (execute_function_todo): Call verify_ssa for every pass
2490         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2491         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2492         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2493         with an extra argument.
2494         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2495         verify_ssa only when the extra argument is true.
2496         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2497         with an extra argument.
2498         (tree_transform_and_unroll_loop): Same.
2499
2500 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2501
2502         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2503         for all the passes of the LNO having LOOP_CLOSED_SSA.
2504         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2505         * tree-loop-distribution.c (pass_loop_distribution): Same.
2506         * tree-pass.h (TODO_verify_loops): Removed.
2507         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2508         (pass_lim): Same.
2509         (pass_tree_unswitch): Same.
2510         (pass_predcom): Same.
2511         (pass_vectorize): Same.
2512         (pass_linear_transform): Same.
2513         (pass_graphite_transforms): Same.
2514         (pass_iv_canon): Same.
2515         (pass_complete_unroll): Same.
2516         (pass_complete_unrolli): Same.
2517         (pass_parallelize_loops): Same.
2518         (pass_loop_prefetch): Same.
2519         (pass_iv_optimize): Same.
2520
2521 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2522
2523         PR middle-end/32824
2524         * passes.c (init_optimization_passes): Move pass_lim before
2525         pass_copy_prop and pass_dce_loop.
2526
2527 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2528
2529         PR target/43667
2530         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2531         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2532         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2533         MULTI_* defines for 4 argument vpermil2p* builtins.
2534
2535 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2536
2537         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2538         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2539         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2540         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2541         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2542         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2543         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2544         Use x86_maybe_negate_const_int to output insn mnemonic.
2545         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2546         check from instruction predicate.  Update comments.
2547         * config/i386/sync.md (sync_add<mode>): Use
2548         x86_maybe_negate_const_int to output insn mnemonic.
2549
2550 2010-04-06  Jan Hubicka  <jh@suse.cz>
2551
2552         PR tree-optimization/42906
2553         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2554         IGNORE_SELF argument.  Set visited_control_parents for fully
2555         processed BBs.
2556         (find_obviously_necessary_stmts): Update call of
2557         mark_control_dependent_edges_necessary.
2558         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2559
2560 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2561
2562         * config/i386/i386.md: Remove comment about 'e' and 'E'
2563         operand modifier.
2564
2565 2010-04-06  Richard Guenther  <rguenther@suse.de>
2566
2567         PR tree-optimization/43627
2568         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2569         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2570         not varying.
2571
2572 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2573
2574         * BASE-VER: Change to 4.6.0.
2575
2576         PR target/43638
2577         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2578         handling.
2579
2580 2010-04-06  Richard Guenther  <rguenther@suse.de>
2581
2582         PR middle-end/43661
2583         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2584
2585 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2586
2587         * doc/invoke.texi (Optimize Options): Document that LTO
2588         won't remove object access purely due to incompatible
2589         declarations.
2590
2591 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2592
2593         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2594         Initialize variable.
2595
2596 2010-04-03  Richard Guenther  <rguenther@suse.de>
2597
2598         PR middle-end/42509
2599         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2600         require a non-NULL MEM_OFFSET.
2601
2602 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2603
2604         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2605         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2606         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2607         config/alpha/predicates.md, config/arm/arm.md,
2608         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2609         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2610         config/darwin9.h, config/darwin.c, config/darwin.h,
2611         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2612         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2613         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2614         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2615         config/mips/mips.md, config/mn10300/mn10300.c,
2616         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2617         config/rs6000/aix.h, config/rs6000/dfp.md,
2618         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2619         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2620         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2621         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2622         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2623         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2624         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2625         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2626         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2627         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2628         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2629         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2630         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2631         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2632         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2633         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2634         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2635         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2636         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2637         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2638         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2639         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2640         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2641         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2642         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2643         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2644         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2645         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2646         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2647         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2648         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2649         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2650         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2651         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2652         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2653         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2654
2655 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2656
2657         PR other/43620
2658         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2659         * aclocal.m4: Regenerate.
2660
2661 2010-04-02  Richard Guenther  <rguenther@suse.de>
2662
2663         PR tree-optimization/43629
2664         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2665         if we have seen a constant value.
2666
2667 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2668
2669         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2670
2671 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2672
2673         PR target/43469
2674         * arm.c (legitimize_tls_address): Adjust call to
2675         gen_tls_load_dot_plus_four.
2676         (arm_note_pic_base): New function.
2677         (arm_cannot_copy_insn_p): Use it.
2678         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2679         constraint.
2680
2681 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2682
2683         PR bootstrap/43531
2684
2685         Revert:
2686         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2687
2688         * Makefile.in ($(out_object_file)): Depend on
2689         gt-$(basename $(notdir $(out_file))).h.
2690
2691 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2692
2693         * config.gcc (lm32-*-rtems*): Add t-lm32.
2694
2695 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2696
2697         * config.gcc: Add lm32-*-rtems*.
2698         * config/lm32/rtems.h: New file.
2699
2700 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2701
2702         PR target/42609
2703         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2704
2705 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2706
2707         * dwarf2out.c (output_compilation_unit_header): For
2708         -gdwarf-4 use version 4 instead of version 3.
2709         (output_line_info): For version 4 and above emit additional
2710         maximum ops per insn header field.
2711         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2712
2713         * dwarf2out.c (is_c_family, is_java): Remove.
2714         (lower_bound_default): New function.
2715         (add_bound_info, gen_descr_array_type_die): Use it.
2716
2717 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2718
2719         PR debug/43325
2720         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2721         re-declaration when it happens in a function.
2722
2723 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2724
2725         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2726         (cgraph_remove_function_insertion_hook): Same.
2727         (cgraph_call_function_insertion_hooks): Same.
2728
2729 2010-04-01  Richard Guenther  <rguenther@suse.de>
2730
2731         PR middle-end/43614
2732         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2733         and TREE_THIS_VOLATILE.
2734         (copy_ref_info): Likewise.
2735         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2736         * tree.c (build6_stat): Ignore side-effects of all but arg5
2737         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2738         TARGET_MEM_REF.
2739
2740 2010-04-01  Richard Guenther  <rguenther@suse.de>
2741
2742         PR tree-optimization/43607
2743         * ipa-type-escape.c (check_call): Do not access non-existing
2744         arguments.
2745
2746 2010-04-01  Richard Guenther  <rguenther@suse.de>
2747
2748         PR middle-end/43602
2749         Revert
2750         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2751                     Jack Howarth <howarth@bromo.med.uc.edu>
2752
2753         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2754         variables TLS.
2755
2756 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2757
2758         * doc/install.texi (Prerequisites): Document libelf usability on
2759         IRIX 5/6 and Solaris 2.
2760         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2761         Update GNU as, GNU ld requirements.
2762         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2763         Document Sun Studio compiler download.
2764         Update and simplify as, ld recommendations.
2765         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2766
2767 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2768
2769         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2770         with_tune_32 to pentium4.
2771
2772 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2773
2774         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2775
2776 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2777
2778         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2779         obsoletion, removal.
2780         Update IDO URL.
2781         Document GNU as requirement.
2782         Update configure requirements.
2783         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2784         Recomment IRIX 6.5.18+.
2785         Document IDF/IDL requirement.
2786         Document GNU as requirement.
2787         Document GNU ld bootstrap failure.
2788         Remove freeware.sgi.com reference.
2789
2790 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2791
2792         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2793         UNIX V4.0, V5.0 obsoletion, removal.
2794         Remove --with-gc=simple reference.
2795         Update VM requirements during bootstrap.
2796         Remove -oldas bootstrap description.
2797         Update binutils reference.
2798         Remove comparison failure note.
2799
2800 2010-03-31  Richard Guenther  <rguenther@suse.de>
2801             Zdenek Dvorak  <ook@ucw.cz>
2802             Sebastian Pop  <sebastian.pop@amd.com>
2803
2804         PR middle-end/43464
2805         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2806         with multiple arguments.
2807         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2808
2809 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2810
2811         * graphite-dependences.c (print_pddr): Call print_pdr with an
2812         extra argument.
2813         * graphite-poly.c (debug_pdr): Add an extra argument for the
2814         verbosity level.
2815         (print_pdr): Same.
2816         (print_pbb_domain): Same.
2817         (print_pbb): Same.
2818         (print_scop_context): Same.
2819         (print_scop): Same.
2820         (print_cloog): Same.
2821         (debug_pbb_domain): Same.
2822         (debug_pbb): Same.
2823         (print_pdrs): Same.
2824         (debug_pdrs): Same.
2825         (debug_scop_context): Same.
2826         (debug_scop): Same.
2827         (debug_cloog): Same.
2828         (print_scop_params): Same.
2829         (debug_scop_params): Same.
2830         (print_iteration_domain): Same.
2831         (print_iteration_domains): Same.
2832         (debug_iteration_domain): Same.
2833         (debug_iteration_domains): Same.
2834         (print_scattering_function): Same.
2835         (print_scattering_functions): Same.
2836         (debug_scattering_function): Same.
2837         (debug_scattering_functions): Same.
2838         * graphite-poly.h (debug_pdr): Update declaration.
2839         (print_pdr): Same.
2840         (print_pbb_domain): Same.
2841         (print_pbb): Same.
2842         (print_scop_context): Same.
2843         (print_scop): Same.
2844         (print_cloog): Same.
2845         (debug_pbb_domain): Same.
2846         (debug_pbb): Same.
2847         (print_pdrs): Same.
2848         (debug_pdrs): Same.
2849         (debug_scop_context): Same.
2850         (debug_scop): Same.
2851         (debug_cloog): Same.
2852         (print_scop_params): Same.
2853         (debug_scop_params): Same.
2854         (print_iteration_domain): Same.
2855         (print_iteration_domains): Same.
2856         (debug_iteration_domain): Same.
2857         (debug_iteration_domains): Same.
2858         (print_scattering_function): Same.
2859         (print_scattering_functions): Same.
2860         (debug_scattering_function): Same.
2861         (debug_scattering_functions): Same.
2862
2863 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2864
2865         * graphite-poly.c (print_scattering_function_1): New.
2866         (print_scattering_function): Call it.
2867         (print_scop_params): Remove spaces at the end of lines.
2868         (print_cloog): New.
2869         (debug_cloog): New.
2870         * graphite-poly.h (print_cloog): Declared.
2871         (debug_cloog): Declared.
2872
2873 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2874
2875         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2876         in loop->header.
2877         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2878         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2879         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2880         to switch between adding the IV bump in loop->latch or in loop->header.
2881
2882 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2883
2884         * graphite-poly.c (print_scattering_function): Pretty print following
2885         the scoplib format.
2886         (print_pdr): Same.
2887         (print_pbb_domain): Same.
2888         (dump_gbb_cases): Same.
2889         (dump_gbb_conditions): Same.
2890         (print_pdrs): Same.
2891         (print_pbb): Same.
2892         (print_scop_params): Same.
2893         (print_scop_context): Same.
2894         (print_scop): Same.
2895         (print_pbb_body): New.
2896         (lst_indent_to): New.
2897         (print_lst): Start new lines with a #.
2898         * graphite-poly.h (pbb_bb): New.
2899         (pbb_index): Use pbb_bb.
2900         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2901         disjuncts.
2902         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2903
2904 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2905
2906         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2907         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2908         and 0 instead of 1 for dw_val_class_flag.
2909         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2910         dw_val_class_range_list, dw_val_class_loc_list,
2911         dw_val_class_lineptr and dw_val_class_macptr, use
2912         DW_FORM_flag_present for dw_val_class_flag and
2913         DW_FORM_exprloc for dw_val_class_loc.
2914         (output_die): For -gdwarf-4 print dw_val_class_loc
2915         size as uleb128 instead of 1 or 2 bytes and don't print
2916         anything for dw_val_class_flag.
2917
2918         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2919         instead of cselib_lookup following by tweaking locs->setting_insn.
2920
2921         PR bootstrap/43596
2922         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2923         even before returning from label, setjmp call or volatile asm
2924         handling.
2925
2926 2010-03-31  Richard Guenther  <rguenther@suse.de>
2927
2928         PR middle-end/43600
2929         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2930         temporary data on stack.
2931
2932 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2933
2934         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2935         (PUSHSECTION_ASM_OP): Remove.
2936         (POPSECTION_ASM_OP): Remove.
2937         (PUSHSECTION_FORMAT): Remove.
2938         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2939         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2940         * config/sol2.c (solaris_output_init_fini): Use it.
2941
2942 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2943
2944         PR 43574
2945         * opt-functions.awk (var_type_struct): Use signed char type
2946         for simple variables.
2947
2948 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2949
2950         * config/sol2.c: Include output.h.
2951         (solaris_assemble_visibility): New function.
2952         * config/t-sol2 (sol2.o): Add output.h dependency.
2953         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2954         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2955         Redefine.
2956
2957 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2958
2959         PR target/43580
2960         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2961         V2SImode or XFmode on PRE_DEC.
2962
2963         PR debug/43557
2964         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2965         BLKmode.
2966
2967 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2968
2969         PR 43562
2970         * reload.h (caller_save_initialized_p): Declare.
2971         * toplev.c (backend_init_target): Don't call
2972         init_caller_save but set caller_save_initialized_p to false.
2973         * caller-save.c (caller_save_initialized_p): Define.
2974         (init_caller_save): Check caller_save_initialized_p.
2975         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2976
2977 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2978
2979         PR target/39048
2980         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2981         and soft-fp/t-softfp to tmake_file.
2982         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2983         (LIBGCC2_TF_CEXT): Define.
2984         (TF_SIZE): Define.
2985
2986 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2987
2988         PR debug/42977
2989         * cselib.c (n_useless_values): Document handling of debug locs.
2990         (n_useless_debug_values, n_debug_values): New variables.
2991         (new_elt_loc_list): Don't add to debug values, keep count.
2992         (promote_debug_loc): New.
2993         (cselib_reset_table): Zero new variables.
2994         (entry_and_rtx_equal_p): Promote debug locs.
2995         (discard_useless_locs): Increment n_useless_debug_values for
2996         debug values.
2997         (remove_useless_values): Adjust n_useless_values and n_debug_values
2998         with n_useless_debug_values.
2999         (add_mem_for_addr): Promote debug locs.
3000         (cselib_lookup_mem): Likewise.
3001         (cselib_lookup_addr): Renamed to...
3002         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3003         (cselib_log_lookup): ... this.  Turn into...
3004         (cselib_lookup_addr): ... new wrapper.
3005         (cselib_lookup_from_insn): New.
3006         (cselib_invalidate_regno): Increment n_useless_debug_values for
3007         debug values.
3008         (cselib_invalidate_mem): Likewise.
3009         (cselib_process_insn): Take n_deleted and n_debug_values into
3010         account to guard remove_useless_value call.
3011         (cselib_finish): Zero n_useless_debug_values.
3012         * cselib.h (cselib_lookup_from_insn): Declare.
3013         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3014         (sched_analyze_2): Likewise.
3015
3016 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3017
3018         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3019         functions.
3020         (adjust_mems): Replace narrowing SUBREG of expression containing
3021         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3022         with operations in the narrower mode.
3023
3024         PR debug/43593
3025         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3026         regs_invalidated_by_call instead all call_used_reg_set registers.
3027
3028 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3029
3030         PR middle-end/43430
3031         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3032         pointer comparisons with types_compatible_p.
3033         * tree-vect-stmts.c (vectorizable_call): Same.
3034         (vectorizable_condition): Same.
3035
3036 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3037
3038         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3039         stack check if the mask would be zero.
3040
3041 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3042             Jack Howarth <howarth@bromo.med.uc.edu>
3043
3044         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3045         variables TLS.
3046
3047 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3048
3049         PR other/25232
3050         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3051         and __unordtf2.
3052         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3053         Include ___unordxf2 and ___unordtf2.
3054         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3055         GCC_4.4.0 here.
3056
3057 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3058
3059         * config/lm32/t-lm32: New file.
3060         * config.gcc: Use the above file when targetting lm32.
3061
3062 2010-03-28  Duncan Sands  <baldrick@free.fr>
3063
3064         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3065
3066 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3067
3068         PR middle-end/43431
3069         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3070         Improve vectorization cost model diagnostic.
3071
3072 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3073
3074         PR middle-end/43436
3075         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3076         compute_data_dependences_for_loop returns false, early exit
3077         and output an extra diagnostic for the failed data reference
3078         analysis.
3079
3080 2010-03-29  Richard Guenther  <rguenther@suse.de>
3081
3082         PR tree-optimization/43560
3083         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3084         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3085
3086 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3087
3088         PR 43564
3089         * toplev.c (process_options): Set optimization_default_node
3090         and optimization_current_node.
3091         * opts.c (decode_options): Don't set optimization_default_node
3092         and optimization_current_node.
3093
3094 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3095
3096         * config/rtems.h: Abandon -qrtems_debug.
3097
3098 2010-03-28  Jan Hubicka  <jh@suse.cz>
3099
3100         PR tree-optimization/43505
3101         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3102         map should not be copied.
3103
3104 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3105
3106         PR middle-end/41674
3107         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3108         cdtors, set DECL_PRESERVE_P.
3109         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3110         should be preseved.
3111
3112 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3113
3114         PR tree-optimization/43528
3115         * stor-layout.c (place_field): Check that constant fits into
3116         unsigned HWI when skipping calculation of MS bitfield layout.
3117
3118 2010-03-27  Jan Hubicka  <jh@suse.cz>
3119
3120         PR middle-end/43391
3121         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3122         notice_global_symbol work.
3123
3124 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3125
3126         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3127         instead of dwarf2out_decl.
3128         (struct var_loc_node): Remove section_label field.
3129         (dwarf2out_function_decl): New function.
3130         (dwarf2out_var_location): Don't set section_label field.
3131         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3132
3133 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3134
3135         PR tree-optimization/43544
3136         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3137         First argument for builtin vectorized function hook is now a
3138         tree to be able to distinguish between machine specific and
3139         standard builtins.
3140         * targhooks.c (default_builtin_vectorized_function): Ditto.
3141         * targhooks.h (default_builtin_vectorized_function): Ditto.
3142         * target.h (struct gcc_target): Ditto.
3143         * tree-vect-stmts.c (vectorizable_function): Ditto.
3144         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3145         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3146         Ditto.
3147
3148 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3149
3150         PR c/43381
3151         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3152         nested binding iff it is a FUNCTION_DECL.
3153         (store_parm_decls_newstyle): Pass nested=true to bind for
3154         FUNCTION_DECLs amongst parameters.
3155
3156 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3157
3158         * var-tracking.c (vt_expand_loc_callback): Don't run
3159         cselib_expand_value_rtx_cb in dummy mode if
3160         cselib_dummy_expand_value_rtx_cb returned false.
3161
3162         * var-tracking.c (emit_note_insn_var_location): For one part
3163         notes with offset 0, don't add EXPR_LIST around the location.
3164         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3165         add_location_or_const_value_attribute): Adjust for that change.
3166
3167         PR debug/43540
3168         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3169         into first operand and location into second.
3170         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3171         dw_cfi_oprnd_loc for DW_CFA_expression.
3172         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3173         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3174         assume first argument is regnum and second argument is location.
3175
3176 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3177
3178         PR target/42113
3179         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3180         of scratch register to DImode.  Split to DImode comparison operator.
3181         Use SImode subreg of scratch register in the multiplication.
3182         (*cmp_sadd_sidi): Ditto.
3183         (*cmp_ssub_si): Ditto.
3184         (*cmp_ssub_sidi): Ditto.
3185
3186 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3187
3188         PR target/43524
3189         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3190         Remove invalid assert and wrong comment.
3191
3192 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3193
3194         PR debug/43516
3195         * flags.h (final_insns_dump_p): New extern.
3196         * final.c (final_insns_dump_p): New variable.
3197         (rest_of_clean_state): Set it before -fdump-final-insns=
3198         dumping, clear afterwards.
3199         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3200         MEM_ALIAS_SET on MEMs.
3201
3202 2010-03-26  David S. Miller  <davem@davemloft.net>
3203
3204         * configure.ac: Fix sparc GOTDATA_OP bug check.
3205         * configure: Rebuild.
3206
3207 2010-03-26  Alan Modra  <amodra@gmail.com>
3208
3209         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3210
3211 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3212
3213         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3214         TLS_SECTION_ASM_FLAG.
3215
3216 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3217
3218         PR bootstrap/43511
3219         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3220         Clear first_function_block_is_cold.
3221
3222         PR c/43385
3223         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3224         argument if the argument is truth_value_p.
3225
3226 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3227
3228         * config/rs6000/constraints.md: Update copyright year for my changes.
3229
3230         PR target/43484
3231         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3232         used in reg+reg addressing, swap registers.
3233
3234 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3235
3236         PR debug/43293
3237         * target.h (struct gcc_target): Add code_end hook.
3238         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3239         if not yet defined.
3240         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3241         * toplev.c (compile_file): Call targetm.asm_out.code_end
3242         hook before unwind info/debug info output.
3243         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3244         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3245         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3246         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3247         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3248         * config/i386/i386.c (ix86_file_end): Renamed to...
3249         (ix86_code_end): ... this.  Make static.  Don't call
3250         file_end_indicate_exec_stack.  Emit unwind info using
3251         final_start_function/final_end_function.
3252         (darwin_x86_file_end): Remove.
3253         (TARGET_ASM_CODE_END): Define.
3254         * config/i386/i386.h (TARGET_ASM_FILE_END,
3255         NEED_INDICATE_EXEC_STACK): Don't define.
3256         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3257         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3258         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3259         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3260
3261         PR target/43498
3262         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3263         at the beginning and final_end_function at the end.
3264         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3265
3266 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3267
3268         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3269         and Sun as TLS syntax.
3270         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3271         * configure: Regenerate.
3272         * config.in: Regenerate.
3273         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3274         (default_elf_asm_named_section): Use it.
3275         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3276         (i386_output_dwarf_dtprel): Likewise.
3277         (output_addr_const_extra): Likewise.
3278         (output_pic_addr_const): Lowercase @GOTTPOFF.
3279         (output_addr_const_extra): Likewise.
3280         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3281         (output_addr_const_extra): Likewise.
3282         (output_pic_addr_const): Lowercase @INDNTPOFF.
3283         (output_addr_const_extra): Likewise.
3284         (output_pic_addr_const): Lowercase @NTPOFF.
3285         (output_addr_const_extra): Likewise.
3286         (output_pic_addr_const): Lowercase @TPOFF.
3287         (output_addr_const_extra): Likewise.
3288         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3289         (*tls_global_dynamic_64): Likewise.
3290         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3291         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3292
3293         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3294         (ASM_OUTPUT_TLS_COMMON): Use it.
3295         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3296
3297         PR target/38118
3298         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3299         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3300         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3301         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3302         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3303         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3304
3305 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3306
3307         * config/i386/i386.c (override_options): Don't accept
3308         -mtls-dialect=sun any longer.
3309         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3310         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3311         (*tls_local_dynamic_base_32_sun): Likewise.
3312         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3313
3314 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3315
3316         PR debug/43508
3317         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3318         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3319
3320         PR debug/43479
3321         * ira.c (adjust_cleared_regs): New function.
3322         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3323
3324         PR debug/19192
3325         PR debug/43479
3326         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3327         from gimple_block.
3328         * expr.c (expand_expr_real): Restore previous
3329         curr_insn_source_location and curr_insn_block after
3330         expand_expr_real_1 call.
3331         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3332         instead of expand_expr_real_1.
3333
3334 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3335
3336         PR rtl-optimization/43413
3337         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3338         hard regs too.
3339
3340 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3341
3342         PR target/43348
3343         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3344         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3345
3346 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3347
3348         * config/i386/i386.c (ix86_target_string): Add -mfma.
3349         Fix a typo in comment.
3350
3351 2010-03-22  Mike Stump  <mikestump@comcast.net>
3352
3353         PR target/23071
3354         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3355         Don't overly align based upon packed packed fields.
3356
3357 2010-03-22  Jason Merrill  <jason@redhat.com>
3358
3359         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3360         Use () rather than [], and move before the element type.
3361
3362 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3363
3364         * doc/configfiles.texi (Configuration Files): Removed
3365         fixinc/Makefile*, intl/Makefile.*.
3366         * doc/makefile.texi: Fixed markup. Abstract from version
3367         control system used.
3368         (Makefile): Removed obsolete gcc/java/parse.y example.
3369         * doc/sourcebuild.texi: Likewise.
3370         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3371         libgomp, libssp.  Removed fastjar.
3372         (Miscellaneous Docs): Clarify location.
3373         Added COPYING3, COPYING3.LIB.
3374         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3375
3376 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3377
3378         PR target/38085
3379         * config/i386/i386.c (x86_function_profiler)
3380         [!NO_PROFILE_COUNTERS]: Fix typo.
3381         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3382         instead of callq.
3383
3384 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3385             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3386
3387         * doc/sourcebuild.texi (Test Directives): Split into six
3388         subsections, with most of the current text in new subsections
3389         Directives, Selectors, and Final Actions.
3390         (Directives): Split list of test directives into multiple
3391         subsubsections.
3392         (Selectors): Describe use and syntax of selectors.
3393         (Effective-Target Keywords): Describe all existing keywords.
3394         (Add Options): Describe features for dg-add-options.
3395         (Require Support): Describe variants of dg-require-support.
3396         (Final Actions): Describe commands to use in dg-final.
3397
3398 2010-03-22  Michael Matz  <matz@suse.de>
3399
3400         PR middle-end/43475
3401         * recog.c (validate_replace_rtx_group): Replace also in
3402         REG_EQUAL and REG_EQUIV notes.
3403
3404 2010-03-22  Richard Guenther  <rguenther@suse.de>
3405
3406         PR tree-optimization/43390
3407         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3408         sure vector extracts are type correct.
3409
3410 2010-03-22  Richard Guenther  <rguenther@suse.de>
3411
3412         PR middle-end/40106
3413         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3414         x * sqrt (x) even when optimizing for size if the target
3415         has native support for sqrt.
3416
3417 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3418
3419         * varasm.c (make_decl_rtl_for_debug): Also clear
3420         flag_mudflap for the duration of make_decl_rtl call.
3421
3422         PR debug/43443
3423         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3424         locs from preserved VALUEs.
3425
3426 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3427
3428         PR middle-end/42718
3429         * pa.md (movmemsi): Set align to one if zero.
3430         (movmemdi): Likewise.
3431
3432 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3433
3434         PR target/42321
3435         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3436         with their corresponding prologue pushes.
3437
3438 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3439
3440         PR target/43156
3441         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3442         at the begining or end.
3443         (spu_expand_epilogue): Likewise.
3444
3445 2010-03-20  Richard Guenther  <rguenther@suse.de>
3446
3447         PR rtl-optimization/43438
3448         * combine.c (make_extraction): Properly zero-/sign-extend an
3449         extraction of the low part of a CONST_INT.  Also handle
3450         CONST_DOUBLE.
3451
3452 2010-03-19  Mike Stump  <mikestump@comcast.net>
3453
3454         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3455         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3456         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3457
3458 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3459
3460         PR c/43211
3461         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3462         an error.
3463
3464 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3465
3466         PR rtl-optimization/42258
3467         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3468         use that may match DEF.
3469
3470         PR target/40697
3471         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3472         the cost of loading the constant rather than assuming
3473         COSTS_N_INSNS (1).
3474         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3475         outer code is AND, do the same tests as the andsi3 expander and
3476         return COSTS_N_INSNS (1) if and is cheap.
3477
3478         * optabs.c (avoid_expensive_constant): Fix formatting.
3479
3480 2010-03-19  Michael Matz  <matz@suse.de>
3481
3482         PR c++/43116
3483         * attribs.c (decl_attributes): When rebuilding a function pointer
3484         type use the same qualifiers as the original pointer type.
3485
3486 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3487
3488         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3489         and is_gimple_ip_invariant_address.
3490
3491 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3492
3493         Revert
3494         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3495
3496         * config/arm/arm.c (arm_override_options): Turn off
3497         flag_dwarf2_cfi_asm for AAPCS variants.
3498
3499 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3500
3501         PR target/43399
3502         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3503         Use PRE_MODIFY instead of PRE_DEC.
3504         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3505         (vfp_emit_fstmd): Likewise.
3506
3507 2010-03-19  Michael Matz  <matz@suse.de>
3508
3509         PR target/43305
3510         * builtins.c (expand_builtin_interclass_mathfn,
3511         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3512         if that fails.
3513
3514 2010-03-19  Richard Guenther  <rguenther@suse.de>
3515
3516         PR tree-optimization/43415
3517         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3518         (phi_translate_1): ... this.
3519         (phi_translate): Move all caching here.  Cache all NARY
3520         and REFERENCE translations.
3521
3522 2010-03-19  David S. Miller  <davem@davemloft.net>
3523
3524         With help from Eric Botcazou.
3525         * config/sparc/sparc.c: Include dwarf2out.h.
3526         (emit_pic_helper): Delete.
3527         (pic_helper_symbol_name): Delete.
3528         (pic_helper_emitted_p): Delete.
3529         (pic_helper_needed): New.
3530         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3531         (get_pc_thunk_name): New.
3532         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3533         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3534         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3535         (sparc_expand_prologue): Update load_pic_register call.
3536         (sparc_output_mi_thunk): Likewise.
3537         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3538         thunk if possible.  Output CFI information as needed.
3539
3540 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3541             Jack Howarth <howarth@bromo.med.uc.edu>
3542
3543         PR target/36399
3544         * config/i386/i386.h: Fix ABI on darwin x86-32.
3545
3546 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3547
3548         * tree.h: Declare make_decl_rtl_for_debug.
3549         * varasm.c (make_decl_rtl_for_debug): New.
3550         * dwarf2out.c (rtl_for_decl_location): Call it.
3551         * cfgexpand.c (expand_debug_expr): Call it.
3552
3553 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3554
3555         PR bootstrap/43399
3556         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3557         mem_mode.
3558
3559         PR bootstrap/43403
3560         * var-tracking.c (vt_init_cfa_base): Do nothing if
3561         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3562
3563 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3564
3565         PR debug/42873
3566         * var-tracking.c (canonicalize_vars_star): New.
3567         (dataflow_post_merge_adjust): Use it.
3568
3569 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3570
3571         PR debug/43058
3572         * var-tracking.c (non_suitable_const): New function.
3573         (add_uses): For DEBUG_INSNs with constants, don't record any
3574         value, instead just the constant value itself.
3575         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3576         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3577         (emit_notes_in_bb): Likewise.
3578         (emit_note_insn_var_location): For onepart variables if
3579         cur_loc is a VOIDmode constant, use DECL_MODE.
3580
3581 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3582
3583         PR middle-end/42450
3584         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3585         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3586         all non-clones.  Moved call redirection...
3587         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3588         (cgraph_materialize_all_clones): Dispose of all
3589         combined_args_to_skip bitmaps.
3590         (verify_cgraph_node): Do not check for edges pointing to wrong
3591         nodes in inline clones.
3592         * tree-inline.c (copy_bb): Call
3593         cgraph_redirect_edge_call_stmt_to_callee.
3594         * ipa.c (cgraph_remove_unreachable_nodes): Call
3595         cgraph_node_remove_callees even when there are used clones.
3596
3597 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3598
3599         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3600
3601 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3602
3603         PR target/43383
3604         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3605         for 32bit.
3606
3607 2010-03-18  Michael Matz  <matz@suse.de>
3608
3609         PR middle-end/43419
3610         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3611         into sqrt(x) if we need to preserve signed zeros.
3612
3613 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3614             Eric Botcazou  <ebotcazou@adacore.com>
3615
3616         PR rtl-optimization/43360
3617         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3618         note if we don't know its invariant status.
3619
3620 2010-03-18  Michael Matz  <matz@suse.de>
3621
3622         PR tree-optimization/43402
3623         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3624         PHI chains of ssa names registered for update.
3625
3626 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3627
3628         PR target/42427
3629         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3630         non-offsettable and pre_modify update addressing.
3631         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3632         and "2" alternatives "#".
3633         (*movdd_softfloat32): Make all alternatives "#";
3634         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3635         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3636         (*movdf_softfloat32): Make all alternatives "#";
3637         (movdi): Use the new DIFD mode iterator to create a common splitter
3638         for movdi, movdf and movdd patterns.
3639
3640 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3641
3642         * common.opt (dumpdir): Remove redundant tab.
3643
3644 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3645
3646         PR tree-optimization/43347
3647         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3648         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3649
3650 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3651
3652         PR rtl-optimization/42216
3653         * regrename.c (create_new_chain): New function, broken out from...
3654         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3655         appending a use to an empty chain.
3656         (build_def_use): Remove previous changes that convert OP_INOUT to
3657         OP_OUT operands; instead detect the case where an OP_INOUT operand
3658         uses a previously untracked register and create an empty chain for it.
3659
3660 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3661
3662         * doc/extend.texi (Function Attributes): Rewrite unfinished
3663         sentence in ms_abi documentation.
3664
3665 2010-03-17  Alan Modra  <amodra@gmail.com>
3666
3667         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3668         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3669         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3670         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3671
3672 2010-03-16  Richard Henderson  <rth@redhat.com>
3673
3674         PR middle-end/43365
3675         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3676         (lower_try_finally): Save and restore eh_seq around the expansion
3677         of the try-finally.
3678
3679 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3680
3681         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3682         statements before splitting block.
3683
3684 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3685
3686         * doc/sourcebuild.texi (Testsuites): Fix markup.
3687         Use pathnames relative to gcc/testsuite.
3688         (Test Directives): Move description of how timeout is determined.
3689         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3690         (C Tests): Correct gcc.misc-tests directory.
3691         Framework tests now live in gcc.test-framework.
3692
3693 2010-03-16  Richard Guenther  <rguenther@suse.de>
3694
3695         PR middle-end/43379
3696         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3697         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3698
3699 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3700             Alexandre Oliva  <aoliva@redhat.com>
3701
3702         PR tree-optimization/42917
3703         * lambda-code.c (remove_iv): Skip debug statements.
3704         (lambda_loopnest_to_gcc_loopnest): Likewise.
3705         (not_interesting_stmt): Debug statements are not interesting.
3706
3707 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3708
3709         PR debug/43051
3710         PR debug/43092
3711         * cselib.c (cselib_preserve_constants,
3712         cfa_base_preserved_val): New static variables.
3713         (preserve_only_constants): New function.
3714         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3715         clear its REG_VALUES.  If cselib_preserve_constants, don't
3716         empty the whole hash table, but preserve there VALUEs with constants,
3717         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3718         (cselib_preserve_cfa_base_value): New function.
3719         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3720         (cselib_init): Change argument to int bitfield.  Set
3721         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3722         is in it.
3723         (cselib_finish): Clear cselib_preserve_constants and
3724         cfa_base_preserved_val.
3725         * cselib.h (enum cselib_record_what): New enum.
3726         (cselib_init): Change argument to int.
3727         (cselib_preserve_cfa_base_value): New prototype.
3728         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3729         * dse.c (dse_step1): Likewise.
3730         * cfgcleanup.c (thread_jump): Likewise.
3731         * sched-deps.c (sched_analyze): Likewise.
3732         * gcse.c (local_cprop_pass): Likewise.
3733         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3734         If FN is non-NULL, call the callback always and whenever it returns
3735         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3736         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3737         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3738         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3739         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3740         * var-tracking.c: Include recog.h.
3741         (bb_stack_adjust_offset): Remove.
3742         (vt_stack_adjustments): Don't call it, instead just gather the
3743         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3744         (adjust_stack_reference): Remove.
3745         (compute_cfa_pointer): New function.
3746         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3747         (struct adjust_mem_data): New type.
3748         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3749         functions.
3750         (get_address_mode): New function.
3751         (replace_expr_with_values): Use it.
3752         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3753         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3754         (adjust_sets): Remove.
3755         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3756         Use get_address_mode.
3757         (get_adjusted_src): Remove.
3758         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3759         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3760         (add_with_sets): Don't call adjust_sets.
3761         (fp_setter, vt_init_cfa_base): New functions.
3762         (vt_initialize): Change return type to bool.  Move most of pool etc.
3763         initialization to the beginning of the function from end.  Pass
3764         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3765         If !frame_pointer_needed, call vt_stack_adjustment before mos
3766         vector is filled, call vt_init_cfa_base if argp/framep has been
3767         eliminated to sp.  If frame_pointer_needed and argp/framep has
3768         been eliminated to hard frame pointer, set
3769         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3770         encountering fp setter in the prologue.  For MO_ADJUST, call
3771         log_op_type before pusing the op into mos vector, not afterwards.
3772         Call adjust_insn before cselib_process_insn/add_with_sets,
3773         call cancel_changes (0) afterwards.
3774         (variable_tracking_main_1): Adjust for vt_initialize calling
3775         vt_stack_adjustments and returning whether it succeeded or not.
3776
3777 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3778
3779         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3780         debug statements.
3781
3782 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3783
3784         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3785         has been set.
3786         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3787         drap_reg has not been set.
3788
3789 2010-03-15  Michael Matz  <matz@suse.de>
3790
3791         PR middle-end/43300
3792         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3793         use it to expand block copies.
3794         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3795         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3796         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3797
3798 2010-03-15  Richard Guenther  <rguenther@suse.de>
3799
3800         PR tree-optimization/43367
3801         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3802         elimination check.
3803
3804 2010-03-15  Richard Guenther  <rguenther@suse.de>
3805
3806         PR tree-optimization/43317
3807         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3808
3809 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3810
3811         PR tree-optimization/43141
3812         * tree-sra.c (create_abstract_origin): New function.
3813         (modify_function): Call create_abstract_origin.
3814
3815 2010-03-15  Chris Demetriou  <cgd@google.com>
3816
3817         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3818         wasn't copied.
3819
3820 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3821
3822         PR middle-end/43354
3823         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3824         call insert_out_of_ssa_copy for default definitions.
3825
3826 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3827
3828         * graphite-clast-to-gimple.c (my_long_long): Defined.
3829         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3830         * graphite-sese-to-poly.c (my_long_long): Defined.
3831         (scop_ivs_can_be_represented): Use it.
3832
3833 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3834
3835         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3836         graphite-max-bbs-per-function, and loop-block-tile-size.
3837         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3838         with "maximum".
3839         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3840
3841 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3842
3843         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3844         forward declaration.
3845         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3846         (add_upper_bounds_from_estimated_nit): New.
3847         (build_loop_iteration_domains): Use it.
3848
3849 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3850
3851         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3852
3853 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3854
3855         PR middle-end/43306
3856         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3857         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3858
3859 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3860
3861         * graphite.c (graphite_initialize): To bound the number of bbs per
3862         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3863         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3864         * doc/invoke.texi: Document it.
3865
3866 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3867
3868         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3869         * graphite-sese-to-poly.h (build_poly_scop): Same.
3870
3871 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3872
3873         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3874         the number of parameters in the scop.  Use as an upper bound
3875         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3876         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3877         * doc/invoke.texi: Document it.
3878
3879 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3880
3881         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3882         * doc/c-tree.texi: Remove.
3883         * doc/generic.texi: Merge c-tree.texi here.
3884         * doc/gccint.texi (Trees): Remove menu entry.
3885         (c-tree.texi): Remove @include.
3886         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3887         * doc/languages.texi (Reading RTL): Ditto.
3888
3889 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3890
3891         PR target/42869
3892         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3893
3894 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3895
3896         PR middle-end/42431
3897         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3898         code added to work around reload clobbering CONST insns.
3899
3900 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3901
3902         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3903         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3904         (cselib_preserve_only_values): Remove retain argument, don't
3905         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3906         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3907         * var-tracking.c (micro_operation): Move insn field before union.
3908         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3909         (struct variable_tracking_info_def): Remove n_mos field, change
3910         mos into a vector of micro_operations.
3911         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3912         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3913         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3914         changing into a vector.
3915         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3916         come before all other uops generated by add_stores.
3917         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3918         argument removal.
3919         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3920         a vector.  Run just one pass over the bbs instead of separate counting
3921         and computation phase.
3922         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3923
3924         PR debug/43329
3925         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3926         into *nonlocalized_list vector.
3927         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3928         even if origin is non-NULL.
3929         (gen_variable_die): Likewise.
3930         (process_scope_var): Don't change origin.
3931         (gen_decl_die): Likewise.
3932         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3933         before adding new edges instead of after it, fix moving over
3934         debug stmts.
3935
3936 2010-03-11  David S. Miller  <davem@davemloft.net>
3937
3938         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3939         of four.
3940         * configure: Rebuild.
3941
3942 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3943
3944         PR tree-optimization/43257
3945         * tree.c (assign_assembler_name_if_neeeded): New function.
3946         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3947         above new function.
3948         * tree.h (assign_assembler_name_if_neeeded): Declare.
3949         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3950         the function if needed.
3951
3952 2010-03-11  Chris Demetriou  <cgd@google.com>
3953
3954         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3955         include/stdint-gcc.h, and include/stdint.h world-readable.
3956
3957 2010-03-11  Richard Guenther  <rguenther@suse.de>
3958
3959         PR tree-optimization/43255
3960         * tree-vrp.c (process_assert_insertions_for): Do not insert
3961         asserts for trivial conditions.
3962
3963 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3964
3965         PR tree-optimization/43280
3966         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3967         generation.  Move calculation of size out of the if branch.
3968         (find_bswap): Modify compare number generation.
3969
3970 2010-03-11  Richard Guenther  <rguenther@suse.de>
3971
3972         PR lto/43200
3973         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3974         (input_gimple_stmt): Fixup handled component types during
3975         operand read.  Also fix up decls in ADDR_EXPRs.
3976
3977 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3978
3979         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3980         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3981
3982 2010-03-10  Jan Hubicka  <jh@suse.cz>
3983
3984         PR c/43288
3985         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3986         * varasm.c (get_variable_section): Don't do that here...
3987         (make_decl_rtl): ... and here.
3988         (do_assemble_alias): Produce decl RTL.
3989         (assemble_alias): Likewise.
3990
3991 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3992
3993         PR debug/43290
3994         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3995         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3996         of fde->vdrap_reg.
3997         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3998         (based_loc_descr): Only express drap or vdrap regno based expressions
3999         using DW_OP_fbreg when not optimizing.
4000         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4001         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4002         REG_CFA_SET_VDRAP note.
4003
4004 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
4005
4006         PR tree-optimization/43236
4007         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4008         error in calculation of base address in reverse iteration case.
4009         (generate_builtin): Take number of latch executions if the statement
4010         is in the latch.
4011
4012 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
4013
4014         PR middle-end/42859
4015         * tree-eh.c: Include pointer-set.h.
4016         (lower_eh_dispatch): Filter out duplicate case labels and
4017         remove the unneeded edge when the label is unused.  Return
4018         true when some edges are removed.
4019         (execute_lower_eh_dispatch): When any lowering resulted in
4020         removing an edge, also delete unreachable blocks.
4021
4022 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
4023
4024         PR bootstrap/43287
4025         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4026         UNSPEC_MACHOPIC_OFFSET.
4027
4028 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
4029
4030         PR target/43294
4031         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4032         (m68k_delegitimize_address): New function.
4033
4034 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
4035
4036         PR debug/43299
4037         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4038