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