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