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