OSDN Git Service

54ad2698db2ec12850a81faa576517709900f3b5
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-26  Richard Guenther  <rguenther@suse.de>
2
3         PR lto/42425
4         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
5         if emitting debug information and it is either a function
6         or a namespace decl.
7
8 2010-04-26  Ira Rosen  <irar@il.ibm.com>
9
10         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
11         determine if the statement is vectorizable, and a macro to 
12         access it.
13         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
14         Skip statements that can't be vectorized. If the analysis 
15         fails, mark the statement as unvectorizable if vectorizing 
16         basic block.
17         (vect_compute_data_refs_alignment): Likewise.
18         (vect_verify_datarefs_alignment): Skip statements marked as 
19         unvectorizable. Add print.
20         (vect_analyze_group_access): Skip statements that can't be 
21         vectorized. If the analysis fails, mark the statement as 
22         unvectorizable if vectorizing basic block.
23         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
24         Likewise.
25         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
26         generated stmts for SLP.
27         (new_stmt_vec_info): Initialize the new field.
28         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
29         statements marked as unvectorizable.
30
31 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
32
33         * c-common.c (flag_isoc1x): New.
34         (flag_isoc99): Update comment.
35         * c-common.h (flag_isoc1x): New.
36         (flag_isoc99): Update comment.
37         * c-cppbuiltin.c (builtin_define_float_constants): Also define
38         __<type>_DECIMAL_DIG__.
39         * c-opts.c (set_std_c1x): New.
40         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
41         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
42         * c.opt (-std=c1x, -std=gnu1x): New options.
43         * doc/cpp.texi: Mention -std=c1x.
44         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
45         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
46         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
47         * doc/standards.texi: Mention C1X.
48         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
49         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
50         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
51         Define for C1X.
52
53 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
54
55         * config/i386/gmon-sol2.c (_mcleanup): Change format string
56         placeholder from 0x%x to %#x.
57         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
58         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
59         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
60         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
61         * config/i386/i386.c (ix86_target_string): Ditto.
62         (output_pic_addr_const): Ditto.
63         (print_operand): Ditto.
64
65 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
66
67         * combine.c (find_split_point): Add third argument.  Use it
68         to find nested multiply-accumulate instructions.  Adjust calls.
69         (try_combine): Adjust call to find_split_point.
70
71 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
72
73         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
74
75 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
76
77         PR tree-optimization/41442
78         * fold-const.c (merge_truthop_with_opposite_arm): New function.
79         (fold_binary_loc): Call it.
80
81 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
82
83         * toplev.c (general_init): Set default for fdiagnostics-show-option.
84         * opts.c (common_handle_option): Allow disabling it.
85         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
86
87 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
88
89         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
90         between modes if both types are integral.
91
92 2010-04-23  Richard Guenther  <rguenther@suse.de>
93
94         PR tree-optimization/43572
95         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
96
97 2010-04-23  Richard Guenther  <rguenther@suse.de>
98
99         PR lto/43455
100         * tree-inline.c (tree_can_inline_p): Also check compatibility
101         of return types.
102
103 2010-04-23  Martin Jambor  <mjambor@suse.cz>
104
105         PR tree-optimization/43846
106         * tree-sra.c (struct access): New flag grp_assignment_read.
107         (build_accesses_from_assign): Set grp_assignment_read.
108         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
109         (enum mark_read_status): New type.
110         (analyze_access_subtree): Propagate grp_assignment_read, create
111         accesses also if both direct_read and root->grp_assignment_read.
112
113 2010-04-23  Martin Jambor  <mjambor@suse.cz>
114
115         PR middle-end/43835
116         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
117         function does not have type attributes.
118
119 2010-04-23  Richard Guenther  <rguenther@suse.de>
120
121         PR lto/42653
122         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
123         of FUNCTION_DECLs.
124
125 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
126
127         * sese.h (create_if_region_on_edge): Remove.
128
129         * sese.c (create_if_region_on_edge): Make static.
130
131         * tree-inline.c: Do not include ggc.h.
132
133         * expr.c: Do not include ggc.h.
134
135         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
136         dependencies.
137
138 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
139
140         PR target/43744
141         * config/sh/sh.c (find_barrier): Don't emit a constant pool
142         in the middle of insns for casesi_worker_2.
143
144 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
145
146         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
147
148 2010-04-22  Ira Rosen  <irar@il.ibm.com>
149
150         PR tree-optimization/43842
151         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
152         loop unrolling in update of exit phis. Fix comment.
153         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
154         least two reduction statements in the loop before starting SLP
155         analysis.
156
157 2010-04-22  Nick Clifton  <nickc@redhat.com>
158
159         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
160
161 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
162
163         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
164         to simplify a + ~a.
165
166 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
167
168         * tree-parloops.c (loop_parallel_p): New argument
169         parloop_obstack.  Pass it down.
170         (parallelize_loops): New variable parloop_obstack.  Initialize it,
171         pass it down, free it.
172
173         * tree-loop-linear.c (linear_transform_loops): Pass down
174         lambda_obstack.
175
176         * tree-data-ref.h (lambda_compute_access_matrices): New argument
177         of type struct obstack *.
178
179         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
180         scratch_obstack.  Initialize it, pass down, free it.
181
182         * lambda.h (lambda_loop_new): Remove.
183         (lambda_matrix_new, lambda_matrix_inverse)
184         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
185         argument of type struct obstack *.
186
187         * lambda-trans.c (lambda_trans_matrix_new): New argument
188         lambda_obstack.  Pass it down, use obstack allocation for ret.
189         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
190         it down.
191
192         * lambda-mat.c (lambda_matrix_get_column)
193         (lambda_matrix_project_to_null): Remove.
194         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
195         allocation for mat.
196         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
197         lambda_obstack.
198
199         * lambda-code.c (lambda_loop_new): New function.
200         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
201         (lambda_compute_auxillary_space, lambda_compute_target_space)
202         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
203         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
204         (build_access_matrix): New argument lambda_obstack.  Use obstack
205         allocation for am.
206         (lambda_compute_step_signs, lambda_compute_access_matrices): New
207         argument lambda_obstack.  Pass it down.
208
209 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
210
211         * optabs.h (expand_widening_mult): Declare.
212
213 2010-04-22  Richard Guenther  <rguenther@suse.de>
214
215         PR tree-optimization/43845
216         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
217         lookup the CALL_EXPR function and arguments.
218
219 2010-04-22  Nick Clifton  <nickc@redhat.com>
220
221         * config/stormy16/stormy16.c
222         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
223         * config/stormy16/stormy16.h: Tidy up formatting.
224         (DONT_USE_BUILTIN_SETJMP): Remove definition.
225         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
226         (ineqbranchsi): Delete pattern.
227         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
228         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
229         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
230         stormy16-lib2-ucmpsi2.c.
231
232 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
233
234         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
235         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
236         extra set merge_set_noclobber, and use it to relax the final test
237         slightly.
238         * df.h (df_simulate_find_noclobber_defs): Declare.
239         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
240         conditional defs.
241         (df_simulate_find_noclobber_defs): New function.
242
243 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
244
245         * config/i386/i386.md: Use {} around multi-line preparation statements.
246
247 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
248
249         * c-tree.h (push_init_level, pop_init_level, set_init_index)
250         (process_init_element): New argument of type struct obstack *.
251
252         * c-typeck.c (push_init_level, pop_init_level, set_designator)
253         (set_init_index, set_init_label, set_nonincremental_init)
254         (set_nonincremental_init_from_string, find_init_member)
255         (output_init_element, output_pending_init_elements)
256         (process_init_element): New argument braced_init_obstack.  Pass it
257         down.
258         (push_range_stack, add_pending_init): New argument
259         braced_init_obstack.  Use obstack allocation.
260
261         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
262         braced_init_obstack.  Pass it down.
263         (c_parser_braced_init): New variables ret, braced_init_obstack.
264         Initialize obstack, pass it down and finally free it.
265
266 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
267
268         PR middle-end/29274
269         * tree-pass.h (pass_optimize_widening_mul): Declare.
270         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
271         gate_optimize_widening_mul): New static functions.
272         (pass_optimize_widening_mul): New.
273         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
274         <case MULT_EXPR>: Remove support for widening multiplies.
275         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
276         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
277         simplify_gen_unary rather than directly building extensions.
278         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
279         WIDEN_MULT_EXPR.
280         * expmed.c (expand_widening_mult): New function.
281         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
282
283 2010-04-21  Jan Hubicka  <jh@suse.cz>
284
285         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
286         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
287         * lto-wpa-fixup.c: Remove.
288         * Makefile.in (lto-wpa-fixup.o): Remove.
289         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
290         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
291         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
292
293 2010-04-21  Jan Hubicka  <jh@suse.cz>
294
295         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
296         add write_optimization_summary, read_optimization_summary.
297         (ipa_write_summaries_of_cgraph_node_set): Remove.
298         (ipa_write_optimization_summaries): Declare.
299         (ipa_read_optimization_summaries): Declare.
300         * ipa-cp.c (pass_ipa_cp): Update.
301         * ipa-reference.c (pass_ipa_reference): Update.
302         * ipa-pure-const.c (pass_ipa_pure_const): Update.
303         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
304         Update.
305         * ipa-inline.c (pass_ipa_inline): Update.
306         * ipa.c (pass_ipa_whole_program): Update.
307         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
308         * passes.c (ipa_write_summaries_1): Do not test wpa.
309         (ipa_write_optimization_summaries_1): New.
310         (ipa_write_optimization_summaries): New.
311         (ipa_read_summaries): Do not test ltrans.
312         (ipa_read_optimization_summaries_1): New.
313         (ipa_read_optimization_summaries): New.
314
315 2010-04-21  Jan Hubicka  <jh@suse.cz>
316
317         * lto-cgraph.c (lto_output_node): Do not output comdat groups
318         for boundary nodes.
319         (output_cgraph): Do not arrange comdat groups for boundary nodes.
320
321 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
322
323         PR debug/40040
324         * dwarf2out.c (add_name_and_src_coords_attributes): Add
325         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
326
327 2010-04-21  Jan Hubicka  <jh@suse.cz>
328
329         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
330
331 2010-04-21  Jan Hubicka  <jh@suse.cz>
332
333         * varpool.c (decide_is_variable_needed): Variable is always needed
334         during ltrans.
335
336 2010-04-21  Jan Hubicka  <jh@suse.cz>
337
338         * opts.c (decode_options): Enable pure-const pass for whopr.
339
340 2010-04-21  Jan Hubicka  <jh@suse.cz>
341
342         * cgraph.c (dump_cgraph_node): Dump also assembler name.
343         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
344         at WPA dumping.
345         (cgraph_decide_inlining): Do not expect callee to be removed in all
346         cases.
347
348 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
349
350         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
351
352 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
353
354         * config/i386/i386.md (x86_shrd): Add athlon_decode and
355         amdfam10_decode attributes.
356
357 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
358
359         PR middle-end/43570
360         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
361         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
362         (lower_copyprivate_clauses): Use private var in outer
363         context instead of original var.  Make sure the types
364         are correct for VLAs.
365
366 2010-04-21  Richard Guenther  <rguenther@suse.de>
367
368         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
369         to non-pointer objects.
370
371 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
372
373         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
374         last chain entry if it starts with the still current label.
375         (add_location_or_const_value_attribute): Check that
376         loc_list->first->next is NULL instead of comparing ->first with ->last.
377         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
378         to add_var_loc_to_decl.
379
380         * dwarf2out.c (output_call_frame_info): For dw_cie_version
381         >= 4 add also address size and segment size fields into CIE header.
382
383         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
384         long as address size is the same as sizeof (void *) and
385         segment size is 0.
386         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
387         address size or segment size is unexpected, return DW_EH_PE_omit.
388         (classify_object_over_fdes): If get_cie_encoding returned
389         DW_EH_PE_omit, return -1.
390         (init_object): If classify_object_over_fdes returned -1,
391         pretend there were no FDEs at all.
392
393 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
394
395         * config/i386/i386.md (bswap<mode>2): Macroize expander from
396         bswap{si,di}2 using SWI48 mode iterator.
397         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
398         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
399         set modrm attribute of bswap insn to 0 and remove length attribute.
400         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
401         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
402         set mode attribute to <MODE> and remove length attribute.
403
404 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
405
406         PR rtl-optimization/43520
407         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
408         zero available registers.
409
410 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
411
412         * builtins.c (fold_builtin_cproj): Fold more cases.
413
414 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
415
416         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
417         (fold_builtin_1): Fold builtin cproj.
418         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
419         Use ATTR_CONST_NOTHROW_LIST.
420
421 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
422
423         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
424         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
425         ffsi2_no_cmove for !TARGET_CMOVE.
426         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
427         (ffssi2): Remove expander.
428         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
429         mode iterator.
430         (ctz<mode>2): Ditto from ctz{si,di}2.
431         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
432         mode iterator.
433         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
434         mode iterator.
435
436 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
437
438         * dwarf2out.c (AT_linkage_name): Define.
439         (clone_as_declaration): Handle DW_AT_linkage_name.
440         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
441         of DW_AT_MIPS_linkage_name.
442         (move_linkage_attr): Likewise.
443         (dwarf2out_finish): Likewise.
444
445 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
446
447         PR middle-end/41952
448         * fold-const.c (fold_comparison): New folding rule.
449
450 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
451
452         * double-int.h (double_int_setbit): Declare.
453         * double-int.c (double_int_setbit): New function.
454         * rtl.h (immed_double_int_const): Declare.
455         * emit-rtl.c (immed_double_int_const): New function.
456         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
457         and immed_double_int_const functions.
458         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
459         expand_copysign_bit):  (Ditto.).
460         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
461         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
462         * dojump.c (prefer_and_bit_test): (Ditto.).
463         * expr.c (convert_modes, reduce_to_bit_field_precision,
464         const_vector_from_tree): (Ditto.).
465         * expmed.c (mask_rtx, lshift_value): (Ditto.).
466
467 2010-04-20  Jan Hubicka  <jh@suse.cz>
468
469         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
470         (dump_cgraph_node): Dump new flags.
471         * cgraph.h (struct cgraph_node): Add flags
472         reachable_from_other_partition and in_other_partition.
473         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
474         other partition can not be removed.
475         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
476         the other partition must be output; silence sanity checking on
477         leaking functions bodies from other paritition.
478         * lto-cgraph.c (reachable_from_other_partition_p): New function.
479         (lto_output_node): Output new flags; do not sanity check that inline
480         clones are output; drop lto_forced_extern_inline_p code; do not mock
481         visibility flags at partition boundaries.
482         (add_node_to): New function.
483         (output_cgraph): Use it to sort functions so masters appear before
484         clones.
485         (input_overwrite_node): Input new flags.
486         * passes.c (ipa_write_summaries): Do not call
487         lto_new_extern_inline_states.
488         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
489         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
490         lto_forced_extern_inline_p): Kill.
491         * lto-streamer.h (lto_new_extern_inline_states,
492         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
493         lto_forced_extern_inline_p): Kill.
494
495 2010-04-20  Richard Guenther  <rguenther@suse.de>
496
497         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
498         from vars that can have pointers.
499         (process_constraint): Dump useless constraints.
500
501 2010-04-20  Richard Guenther  <rguenther@suse.de>
502
503         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
504         (dump_sa_points_to_info): Remove asserts.
505         (init_base_vars): nothing_id isn't an escape point nor does it
506         have pointers.
507
508 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
509
510         * tree.h (TYPE_REF_IS_RVALUE): Define.
511         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
512         should_move_die_to_comdat, prune_unused_types_walk): Handle
513         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
514         (modified_type_die, gen_reference_type_die): Emit
515         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
516         if TYPE_REF_IS_RVALUE and -gdwarf-4.
517
518 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
519
520         PR target/43635
521         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
522         calls for -fpic -m31 if they have been sibcall optimized.
523
524 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
525
526         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
527         ar.lc fixed and call-used.
528
529         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
530
531 2010-04-19  Jan Hubicka  <jh@suse.cz>
532
533         * opts.c (decode_options): Disable whpr incompatible passes.
534         * lto/lto.c (lto_1_to_1_map): Skip clones.
535         (read_cgraph_and_symbols): Do not mark everything as needed.
536         (do_whole_program_analysis): Do map only after optimizing;
537         set proper cgraph_state; use passmanager.
538
539 2010-04-19  DJ Delorie  <dj@redhat.com>
540
541         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
542         POINTER_PLUS_EXPR and fix them.
543
544 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
545
546         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
547         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
548         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
549         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
550         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
551         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
552         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
553         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
554         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
555         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
556         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
557
558 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
559
560         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
561         (check_cond_move_block): Likewise.
562         (cond_move_process_if_block): Likewise.
563         (noce_find_if_block): Improve formatting.
564         (find_if_header): Pass 0 to memset and tweak conditions.
565         (cond_exec_find_if_block): Fix long lines and tweak conditions.
566
567 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
568
569         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
570         for -gdwarf-4.
571
572         PR middle-end/43337
573         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
574         with non-local decl doesn't need chain.
575
576 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
577
578         * ira-color.c (allocno_reload_assign): Avoid accumulating
579         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
580
581 2010-04-19  Martin Jambor  <mjambor@suse.cz>
582
583         * gimple.h (create_tmp_reg): Declare.
584         * gimplify.c (create_tmp_reg): New function.
585         (gimplify_return_expr): Use create_tmp_reg.
586         (gimplify_omp_atomic): Likewise.
587         (gimple_regimplify_operands): Likewise.
588         * tree-dfa.c (make_rename_temp): Likewise.
589         * tree-predcom.c (predcom_tmp_var): Likewise.
590         (reassociate_to_the_same_stmt): Likewise.
591         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
592         (get_replaced_param_substitute): Likewise.
593         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
594         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
595         * tree-ssa-pre.c (get_representative_for): Likewise.
596         (create_expression_by_pieces): Likewise.
597         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
598         (create_tailcall_accumulator): Likewise.
599
600 2010-04-19  Martin Jambor  <mjambor@suse.cz>
601
602         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
603         new_stmt.
604         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
605
606 2010-04-19  Richard Guenther  <rguenther@suse.de>
607
608         PR tree-optimization/43796
609         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
610         from SCEV in the lattice.
611         (vrp_visit_phi_node): Dump change.
612
613 2010-04-19  Richard Guenther  <rguenther@suse.de>
614
615         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
616         * configure: Re-generated.
617
618 2010-04-19  Richard Guenther  <rguenther@suse.de>
619
620         PR tree-optimization/43783
621         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
622         constant ARRAY_REF operands two and three if possible.
623
624 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
625
626         PR target/43766
627         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
628
629 2010-04-19  Jie Zhang  <jie@codesourcery.com>
630
631         PR target/43662
632         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
633
634 2010-04-19  Ira Rosen  <irar@il.ibm.com>
635
636         PR tree-optimization/37027
637         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
638         and macro to access it.
639         (vectorizable_reduction): Add argument.
640         (vect_get_slp_defs): Likewise.
641         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
642         statements for possible use in SLP.
643         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
644         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
645         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
646         add new argument.
647         (vectorizable_reduction): Likewise.
648         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
649         vect_get_slp_defs.
650         (vectorizable_type_demotion, vectorizable_type_promotion,
651         vectorizable_store): Likewise.
652         (vect_analyze_stmt): Update call to vectorizable_reduction.
653         (vect_transform_stmt): Likewise.
654         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
655         (vect_build_slp_tree): Fix indentation. Check that there are no loads
656         from different interleaving chains in same node.
657         (vect_slp_rearrange_stmts): New function.
658         (vect_supported_load_permutation_p): Allow load permutations for
659         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
660         inside SLP nodes if necessary.
661         (vect_analyze_slp_instance): Handle reductions.
662         (vect_analyze_slp): Try to build SLP instances originating from groups
663         of reductions.
664         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
665         (vect_get_constant_vectors): Create initial vectors for reductions
666         according to reduction code. Add new argument.
667         (vect_get_slp_defs): Add new argument, pass it to
668         vect_get_constant_vectors.
669         (vect_schedule_slp_instance): Remove SLP tree root statements.
670
671 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
672
673         * tree.h (ENUM_IS_SCOPED): Define.
674         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
675         for ENUM_IS_SCOPED enums.
676
677 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
678
679         * fold-const.c (fold_comparison): Use ssizetype.
680         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
681         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
682         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
683         * tree-object-size.c (compute_object_sizes): Use size_type_node.
684
685         * tree.h (initialize_sizetypes): Remove parameter.
686         (build_common_tree_nodes): Remove second parameter.
687         * stor-layout.c (initialize_sizetypes): Remove parameter.
688         Always create an unsigned type.
689         (set_sizetype): Assert that the passed type is unsigned and simplify.
690         * tree.c (build_common_tree_nodes): Remove second parameter.
691         Adjust call to initialize_sizetypes.
692         * c-decl.c (c_init_decl_processing): Remove second argument in call to
693         build_common_tree_nodes.
694
695 2010-04-18  Matthias Klose  <doko@ubuntu.com>
696
697         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
698
699 2010-04-18  Ira Rosen  <irar@il.ibm.com>
700
701         PR tree-optimization/43771
702         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
703         load permutation doesn't have gaps.
704
705 2010-04-18  Jan Hubicka  <jh@suse.cz>
706
707         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
708         (sse_prologue_save_insn expander): Use new pattern.
709         (sse_prologue_save_insn1): New pattern and splitter.
710         (sse_prologue_save_insn): Update to deal also with 64bit aligned
711         blocks.
712         * i386.c (setup_incoming_varargs_64): Do not compute jump
713         destination here.
714         (ix86_gimplify_va_arg): Update alignment needed.
715         (ix86_local_alignment): Do not align all local arrays to 128bit.
716
717 2010-04-17  Jan Hubicka  <jh@suse.cz>
718
719         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
720
721 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
722
723         * arm.md (negdi2): Remove redundant code to force values into a
724         register.
725
726 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
727
728         * arm/bpabi.S: Add EABI alignment attributes to objects.
729         * arm/bpabi-v6m.S: Likewise.
730         * arm/crti.asm: Likewise.
731         * arm/crtn.asm: Likewise.
732         * arm/lib1funcs.asm: Likewise.
733         * arm/libunwind.S: Likewise.
734
735 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
736
737         * arm-protos.h (tune_params): New structure.
738         * arm.c (current_tune): New variable.
739         (arm_constant_limit): Delete.
740         (struct processors): Add pointer to the tune parameters.
741         (arm_slowmul_tune): New tuning option.
742         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
743         (all_cores): Adjust to pick up the tuning model.
744         (arm_constant_limit): New function.
745         (arm_override_options): Select the appropriate tuning model.  Delete
746         initialization of arm_const_limit.
747         (arm_split_constant): Use the new constant-limit model.
748         (arm_rtx_costs): Pick up the current tuning model.
749         * arm.md (is_strongarm, is_xscale): Delete.
750         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
751         for Xscale variant architectures.
752         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
753
754 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
755
756         * config/arm/arm.c (arm_gen_constant): Remove unused variable
757         can_shift.
758         (arm_rtx_costs_1): Remove unused variable extra_cost.
759         (arm_unwind_emit_set): Use variable offset.
760         (thumb1_output_casesi): Remove unused variable flags.
761
762 2010-04-16  Jeff Law  <law@redhat.com>
763
764         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
765         needing assignment rather than doing a two-phase assignment.  Remove
766         unused variable 'm'.
767
768 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
769
770         PR bootstrap/43767
771         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
772
773 2010-04-16  Doug Kwan  <dougkwan@google.com>
774
775         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
776         (next_operand_entry_id): New static variable.
777         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
778         (add_to_ops_vec): Assigned unique ID to operand entry.
779         (struct oecount_s): New field ID.
780         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
781         (undistribute_ops_list): Assign unique IDs to oecounts.
782         (init_reassoc): reset next_operand_entry_id.
783
784 2010-04-16  Doug Kwan  <dougkwan@google.com>
785
786         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
787         missing left parenthesis.
788
789 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
790
791         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
792         *btdi_rex64 using SWI48 mode iterator.
793         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
794         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
795         *jcc_btdi_mask_rex64.
796
797 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
798
799         * double-int.h (tree_to_double_int): Convert to macro.
800         * double-int.c (tree_to_double_int): Remove.
801
802 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
803
804         PR debug/43762
805         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
806         with want_address 2 and in case a single element list might be
807         possible, call it again with want_address 0.
808
809 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
810
811         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
812         case 'W' print operands for HI mode.
813         * config/h8300/h8300.h (Y0, Y2) : New constraints.
814         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
815         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
816         * config/h8300/predicate.md (bit_register_indirect_operand): New.
817
818         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
819
820         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
821         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
822         #xx:3 and #xx:4 mode.
823
824         * config/h8300/h8300.md (inverted load with HImode dest): Add
825         support for H8300SX.
826
827         * config/h8300/predicate.md (bit_operand): Allow immediate values that
828         satisfy 'U' constraint.
829
830 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
831
832         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
833         * configure: Regenerate.
834         * config.in: Regenerate.
835         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
836         works.
837
838 2010-04-16  Richard Guenther  <rguenther@suse.de>
839
840         * tree.h (struct tree_decl_minimal): Move pt_uid ...
841         (struct tree_decl_common): ... here.
842         (DECL_PT_UID): Adjust.
843         (SET_DECL_PT_UID): Likewise.
844         (DECL_PT_UID_SET_P): Likewise.
845
846 2010-04-16  Richard Guenther  <rguenther@suse.de>
847
848         PR tree-optimization/43572
849         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
850         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
851         * tree-flow.h (is_call_clobbered): Remove.
852         * tree-flow-inline.h (is_call_clobbered): Likewise.
853         * tree-dfa.c (dump_variable): Do not dump call clobber state.
854         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
855         (execute_return_slot_opt): Adjust.
856         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
857         check for call clobbered vars here.
858         (find_tail_calls): Move tailcall verification to the
859         proper place.
860
861 2010-04-16  Diego Novillo  <dnovillo@google.com>
862
863         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
864
865 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
866
867         PR target/40603
868         * config/arm/arm.md (cbranchqi4): New pattern.
869         * config/arm/predicates.md (const0_operand,
870         cbranchqi4_comparison_operator): New predicates.
871
872 2010-04-16  Richard Guenther  <rguenther@suse.de>
873
874         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
875         (dump_gimple_stmt): Likewise.
876
877 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
878
879         * recog.h (struct recog_data): New field is_operator.
880         (struct insn_operand_data): New field is_operator.
881         * recog.c (extract_insn): Set recog_data.is_operator.
882         * genoutput.c (output_operand_data): Emit code to set the
883         is_operator field.
884         * reload.c (find_reloads): Use it rather than testing for an
885         empty constraint string.
886
887         PR target/41514
888         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
889         If the previous insn is a cbranchsi4_insn with the same arguments,
890         omit the compare instruction.
891
892         * config/arm/arm.md (addsi3_cbranch): If destination is a high
893         register, inputs must be low registers and we need a low register
894         scratch.  Handle alternative 2 like alternative 3.
895
896 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
897
898         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
899         don't call get_addr on both.  If one expression is a VALUE and
900         the other a REG, check VALUE's locs if the REG isn't among them.
901
902 2010-04-16  Christian Bruel  <christian.bruel@st.com>
903
904         * config/sh/sh.h (sh_frame_pointer_required): New function.
905         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
906         (flag_omit_frame_pointer) Set.
907         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
908         (rounded_frame_size): Adjust size with outgoing_args_size.
909         (sh_set_return_address): Must return from stack pointer.
910         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
911         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
912         (ACCUMULATE_OUTGOING_ARGS): Define.
913         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
914         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
915
916 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
917
918         PR target/43471
919         * config/sh/sh.c (sh_legitimize_reload_address): Use
920         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
921         Remove a unneeded check for offset_base.
922
923 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
924
925         * configure: Regenerated.
926
927 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
928
929         * config/s390/s390.c (s390_call_save_register_used): Switch back
930         to HARD_REGNO_NREGS.
931
932 2010-04-15  Richard Guenther  <rguenther@suse.de>
933
934         * alias.c (alias_set_subset_of): Handle alias-set zero
935         child properly.
936
937 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
938             Julian Brown  <julian@codesourcery.com>
939
940         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
941         alternatives according to use of high and low regs.
942         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
943         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
944         optimizing for size on Thumb-2.
945
946 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
947
948         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
949
950 2010-04-15  Richard Guenther  <rguenther@suse.de>
951
952         * tree-ssa-structalias.c (struct variable_info): Add
953         is_fn_info flag.
954         (new_var_info): Initialize it.
955         (dump_constraints): Support printing last added constraints.
956         (debug_constraints): Adjust.
957         (dump_constraint_graph): Likewise.
958         (make_heapvar_for): Check for NULL cfun.
959         (get_function_part_constraint): New function.
960         (get_fi_for_callee): Likewise.
961         (find_func_aliases): Properly implement IPA PTA constraints.
962         (process_ipa_clobber): New function.
963         (find_func_clobbers): Likewise.
964         (insert_into_field_list_sorted): Remove.
965         (create_function_info_for): Properly allocate vars for IPA mode.
966         Do not use insert_into_field_list_sorted.
967         (create_variable_info_for): Properly generate constraints for
968         global vars in IPA mode.
969         (dump_solution_for_var): Always dump the solution.
970         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
971         (find_what_var_points_to): Adjust.
972         (pt_solution_set): Change.
973         (pt_solution_ior_into): New function.
974         (pt_solution_empty_p): Export.
975         (pt_solution_includes_global): Adjust.
976         (pt_solution_includes_1): Likewise.
977         (pt_solutions_intersect_1): Likewise.
978         (dump_sa_points_to_info): Check some invariants.
979         (solve_constraints): Move constraint dumping ...
980         (compute_points_to_sets): ... here.
981         (ipa_pta_execute): ... and here.
982         (compute_may_aliases): Do not re-compute points-to info
983         locally if IPA info is available.
984         (ipa_escaped_pt): New global var.
985         (ipa_pta_execute): Properly implement IPA PTA.
986         * tree-into-ssa.c (dump_decl_set): Support dumping
987         decls not in referenced-vars.
988         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
989         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
990         (dump_points_to_solution): Likewise.
991         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
992         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
993         (remap_gimple_stmt): Reset call clobber/use information if necessary.
994         (copy_decl_to_var): Copy DECL_PT_UID.
995         (copy_result_decl_to_var): Likewise.
996         * tree.c (make_node_stat): Initialize DECL_PT_UID.
997         (copy_node_stat): Copy it.
998         * tree.h (DECL_PT_UID): New macro.
999         (SET_DECL_PT_UID): Likewise.
1000         (DECL_PT_UID_SET_P): Likewise.
1001         (struct tree_decl_minimal): Add pt_uid member.
1002         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1003         (pt_solution_empty_p): Declare.
1004         (pt_solution_set): Adjust.
1005         (ipa_escaped_pt): Declare.
1006         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1007         * gimple-pretty-print.c (pp_points_to_solution): New function.
1008         (dump_gimple_call): Dump call clobber/use information.
1009         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1010         * tree-pass.h (TDF_ALIAS): New dump option.
1011         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1012         * doc/invoke.texi (-fipa-pta): Update documentation.
1013
1014 2010-04-15  Richard Guenther  <rguenther@suse.de>
1015
1016         * Makefile.in (OBJS-common): Add gimple-fold.o.
1017         (gimple-fold.o): New rule.
1018         * tree.h (maybe_fold_offset_to_reference,
1019         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1020         prototypes ...
1021         * gimple.h: ... here.
1022         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1023         may_propagate_address_into_dereference): Move prototypes ...
1024         * gimple.h: ... here.
1025         * tree-ssa-ccp.c (get_symbol_constant_value,
1026         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1027         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1028         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1029         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1030         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1031         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1032         gimplify_and_update_call_from_tree): Move ...
1033         * gimple-fold.c: ... here.  New file.
1034         (ccp_fold_builtin): Rename to ...
1035         (gimple_fold_builtin): ... this.
1036         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1037
1038 2010-04-15  Richard Guenther  <rguenther@suse.de>
1039
1040         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1041         fit_double_type, force_fit_type_double, add_double_with_sign,
1042         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1043         lrotate_double, rrotate_double, div_and_round_double): Move ...
1044         * double-int.c: ... here.
1045         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1046         add_double, neg_double, mul_double_with_sign, mul_double,
1047         lshift_double, rshift_double, lrotate_double, rrotate_double,
1048         div_and_round_double): Move prototypes ...
1049         * double-int.h: ... here.
1050
1051 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1052
1053         PR target/43742
1054         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1055         matching constraints to ensure inputs match the output.
1056
1057 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1058
1059         PR target/43742
1060         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1061         in an input-only operand.
1062
1063 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1064
1065         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1066         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1067         (double_int_negative_p): Convert to static inline function.
1068         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1069         (double_int_negative_p): Remove.
1070         * tree.h (lshift_double, rshift_double):
1071         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1072         * fold-const.c (fold_convert_const_int_from_real,
1073         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1074         (lshift_double): Change type of arith argument to bool.
1075         (rshift_double): Change type of arith argument to bool. Correct
1076         comment.
1077         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1078
1079 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1080
1081         PR target/21803
1082         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1083         at the start and end of the then/else blocks, and omit them from the
1084         conversion.
1085         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1086         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1087         (flow_find_head_matching_sequence): New function.
1088         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1089         * basic-block.h (flow_find_cross_jump,
1090         flow_find_head_matching_sequence): Declare functions.
1091
1092 2010-04-14  Jason Merrill  <jason@redhat.com>
1093
1094         PR c++/36625
1095         * c-common.c (attribute_takes_identifier_p): New fn.
1096         * c-common.h: Declare it.
1097
1098 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1099
1100         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1101         splitter condition.
1102         (*udivmod<mode>4): Ditto.
1103
1104 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1105
1106         * config/i386/i386.md (maxmin_int): Rename code attribute from
1107         maxminiprefix and update all users.
1108         (maxmin_float): Ditto from maxminfprefix.
1109         (logic): Ditto from logicprefix.
1110         (absneg_mnemonic): Ditto from absnegprefix.
1111         * config/i386/mmx.md: Update all users of maxminiprefix,
1112         maxminfprefix and logicprefix for rename.
1113         * config/i386/sse.md: Ditto.
1114         * config/i386/sync.md (sync_<code><mode>): Update for
1115         logicprefix rename.
1116
1117 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1118
1119         PR 42966
1120         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1121         warnings converted to errors.
1122
1123 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1124
1125         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1126         used insn_type variable.
1127         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1128         to avoid set-but-not-used warning.
1129
1130 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1131
1132         * df-core.c (df_ref_debug): Change format string placeholder
1133         from 0x%x to %#x.
1134         * dwarf2asm.c (dw2_asm_output_data_raw,
1135         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1136         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1137         * dwarf2out.c (output_cfi, output_cfi_directive,
1138         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1139         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1140         Ditto.
1141         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1142         * print-rtl.c (print_rtx): Ditto.
1143
1144 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1145
1146         PR middle-end/42694
1147         * builtins.c (expand_builtin_pow_root): New function to expand pow
1148         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1149         series of sqrt and cbrt calls under -ffast-math.
1150         (expand_builtin_pow): Call it.
1151
1152 2010-04-14  Michael Matz  <matz@suse.de>
1153
1154         PR tree-optimization/42963
1155         * tree-cfg.c (touched_switch_bbs): New static variable.
1156         (group_case_labels_stmt): New function broken out from ...
1157         (group_case_labels): ... here, use the above.
1158         (start_recording_case_labels): Allocate touched_switch_bbs.
1159         (end_recording_case_labels): Deallocate it, call
1160         group_case_labels_stmt.
1161         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1162
1163 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1164
1165         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1166         from insn template.
1167
1168 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1169
1170         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1171
1172 2010-04-13  Jan Hubicka  <jh@suse.cz>
1173
1174         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1175         of optimized out static functions.
1176         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1177         cost computation.  Also sanity check for overflows.
1178         (update_caller_keys): Update cgraph_edge_badness call; properly
1179         update fibheap and sanity check that it is up to date.
1180         (add_new_edges_to_heap): Update cgraph_edge_badness.
1181         (cgraph_decide_inlining_of_small_function): Likewise;
1182         add sanity checking that badness in heap is up to date;
1183         improve dumping of reason; Update badness of calls to the
1184         offline copy of function currently inlined; dump badness
1185         of functions not inlined because of unit growth limits.
1186
1187 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1188
1189         PR middle-end/32628
1190         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1191         because of sign-extension change when converting to sizetype here...
1192         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1193
1194         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1195         the folding to constants.  Remove redundant final conversion.
1196         (fold_binary) <associate>: Do not associate if the re-association of
1197         constants alone overflows.
1198         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1199         to the end of the list.
1200         (multiple_of_p) <COND_EXPR>: New case.
1201
1202 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1203
1204         * opt-functions.awk (opt_sanitized_name): New.
1205         (opt_enum): New.
1206         * optc-gen.awk: Use it
1207         * opth-gen.awk: Use it.
1208
1209 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1210
1211         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1212         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1213         children.  Call replace_uses_with_default_def_ssa_name to handle
1214         SSA_NAES on lhs.
1215
1216 2010-04-13  Michael Matz  <matz@suse.de>
1217
1218         PR middle-end/43730
1219         * builtins.c (expand_builtin_interclass_mathfn): Also create
1220         a register if the predicate doesn't match.
1221
1222 2010-04-13  Diego Novillo  <dnovillo@google.com>
1223
1224         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1225         * c-pch.c: Include timevar.h.
1226         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1227         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1228         * ggc-common.c: Include timevar.h.
1229         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1230         * timevar.def (TV_PCH_SAVE): Define.
1231         (TV_PCH_CPP_SAVE): Define.
1232         (TV_PCH_PTR_REALLOC): Define.
1233         (TV_PCH_PTR_SORT): Define.
1234         (TV_PCH_RESTORE): Define.
1235         (TV_PCH_CPP_RESTORE): Define.
1236
1237 2010-04-13  Michael Matz  <matz@suse.de>
1238
1239         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1240         into MINUS_EXPRs.
1241         (can_reassociate_p): New function.
1242         (break_up_subtract_bb, reassociate_bb): Use it.
1243
1244 2010-04-13  Richard Guenther  <rguenther@suse.de>
1245
1246         PR bootstrap/43737
1247         * builtins.c (c_readstr): Fix assert.
1248
1249 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1250
1251         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1252         when generating cltd insn.
1253
1254         (*ashl<mode>3_1): Remove special handling for register operand 2.
1255         (*ashlsi3_1_zext): Ditto.
1256         (*ashlhi3_1): Ditto.
1257         (*ashlhi3_1_lea): Ditto.
1258         (*ashlqi3_1): Ditto.
1259         (*ashlqi3_1_lea): Ditto.
1260         (*<shiftrt_insn><mode>3_1): Ditto.
1261         (*<shiftrt_insn>si3_1_zext): Ditto.
1262         (*<shiftrt_insn>qi3_1_slp): Ditto.
1263         (*<rotate_insn><mode>3_1): Ditto.
1264         (*<rotate_insn>si3_1_zext): Ditto.
1265         (*<rotate_insn>qi3_1_slp): Ditto.
1266
1267 2010-04-13  Richard Guenther  <rguenther@suse.de>
1268
1269         * tree-ssa-structalias.c (callused_id): Remove.
1270         (call_stmt_vars): New.
1271         (get_call_vi): Likewise.
1272         (lookup_call_use_vi): Likewise.
1273         (lookup_call_clobber_vi): Likewise.
1274         (get_call_use_vi): Likewise.
1275         (get_call_clobber_vi): Likewise.
1276         (make_transitive_closure_constraints): Likewise.
1277         (handle_const_call): Adjust to do per-call call-used handling.
1278         (handle_pure_call): Likewise.
1279         (find_what_var_points_to): Remove general callused handling.
1280         (init_base_vars): Likewise.
1281         (init_alias_vars): Initialize call_stmt_vars.
1282         (compute_points_to_sets): Process call-used and call-clobbered
1283         vars for call statements.
1284         (delete_points_to_sets): Free call_stmt_vars.
1285
1286 2010-04-13  Richard Guenther  <rguenther@suse.de>
1287
1288         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1289         Only add RW dependence for dependence distance zero.
1290         Adjust maximal vectorization factor according to dependences.
1291         Move alignment handling ...
1292         (vect_find_same_alignment_drs): ... here.  New function.
1293         (vect_analyze_data_ref_dependences): Adjust.
1294         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1295         (vect_analyze_data_refs): Adjust minimal vectorization factor
1296         according to data references.
1297         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1298         dependences before determining the vectorization factor.
1299         Analyze alignment after determining the vectorization factor.
1300         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1301         dependences before alignment.
1302         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1303         Adjust prototype.
1304         (vect_analyze_data_refs): Likewise.
1305         (MAX_VECTORIZATION_FACTOR): New define.
1306
1307 2010-04-13  Duncan Sands  <baldrick@free.fr>
1308
1309         * except.h (lang_eh_type_covers): Remove.
1310         * except.c (lang_eh_type_covers): Likewise.
1311
1312 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1313             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1314
1315         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1316         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1317         UNITS_PER_LONG where it is ABI relevant.
1318         (s390_return_addr_rtx): Likewise.
1319         (s390_back_chain_rtx): Likewise.
1320         (s390_frame_area): Likewise.
1321         (s390_frame_info): Likewise.
1322         (s390_initial_elimination_offset): Likewise.
1323         (save_gprs): Likewise.
1324         (s390_emit_prologue): Likewise.
1325         (s390_emit_epilogue): Likewise.
1326         (s390_function_arg_advance): Likewise.
1327         (s390_function_arg): Likewise.
1328         (s390_va_start): Likewise.
1329         (s390_gimplify_va_arg): Likewise.
1330         (s390_function_profiler): Likewise.
1331         (s390_optimize_prologue): Likewise.
1332         (s390_rtx_costs): Likewise.
1333         (s390_secondary_reload): Likewise.
1334         (s390_promote_function_mode): Likewise.
1335         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1336         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1337         registers available.
1338         (s390_unwind_word_mode): New function.
1339         (s390_function_value): Split 64 bit values into register pair if
1340         used as return value.
1341         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1342         function call parameters.  Handle parallels.
1343         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1344         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1345         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1346         (s390_expand_setmem): Remove unused variable src_addr.
1347         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1348         deal with 64 bit registers.
1349         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1350         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1351         (UNITS_PER_LONG): New macro.
1352         * libjava/include/s390-signal.h: Define extended ucontext
1353         structure containing the upper halfs of the 64 bit registers.
1354
1355 2010-04-13  Simon Baldwin  <simonb@google.com>
1356
1357         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1358
1359 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1360
1361         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1362         rvalue on the RHS if the LHS is of a non-renamable type.
1363         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1364
1365 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1366
1367         * gcc.c (cc1_options): Handle -iplugindir before processing
1368         the cc1 spec. Only add -iplugindir once.
1369         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1370         found.
1371         * common.opt (iplugindir): Remove `Separate' property, initialize.
1372         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1373         option.
1374         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1375         (distclean): Remove plugin dir.
1376         * doc/invoke.texi: Document -iplugindir.
1377
1378 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1379
1380         * doc/plugins.texi (Loading Plugins): Document short
1381         -fplugin=foo option.
1382         (Plugin API): Mention default_plugin_dir_name function.
1383
1384         * gcc.c (find_file_spec_function): Add new declaration.
1385         (static_spec_func): Use it for "find-file".
1386         (find_file_spec_function): Add new function.
1387         (cc1_options): Add -iplugindir option if -fplugin* options found.
1388
1389         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1390
1391         * plugin.c (add_new_plugin): Updated comment, and handle short
1392         plugin name.
1393         (default_plugin_dir_name): Added new function.
1394
1395         * common.opt (iplugindir): New option to set the plugin directory.
1396
1397 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1398
1399         * config/i386/i386.md (any_rotate): New code iterator.
1400         (rotate_insn): New code attribute.
1401         (rotate): Ditto.
1402         (SWIM124): New mode iterator.
1403         (<rotate_insn>ti3): New expander.
1404         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1405         any_rotate code iterator.
1406         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1407         using any_rotate code iterator and SWIM124 mode iterator.
1408         (ix86_rotlti3): New insn_and_split pattern.
1409         (ix86_rotrti3): Ditto.
1410         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1411         ix86_rotl{di,ti}3 patterns.
1412         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1413         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1414         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1415         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1416         code iterator and SWI mode iterator.
1417         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1418         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1419         code iterator.
1420         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1421         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1422         (bswap rotatert splitter): Add splitter.
1423         (bswap splitter): Macroize splitter using any_rotate code iterator.
1424         Add insn predicate to split only for TARGET_USE_XCHGB or when
1425         optimizing function for size.
1426
1427 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1428
1429         * config/pa/pa.c (emit_move_sequence): Remove use of
1430         deleted variable flag_argument_noalias.
1431
1432 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1433
1434         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1435         configurations.
1436         Add to unsupported targets list.
1437         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1438         sparc*-sun-solaris2.[567]* from target lists.
1439         * configure: Regenerate.
1440         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1441         removal.
1442         Remove Solaris 7 patch references.
1443         (Specific, sparc-sun-solaris2.7): Removed.
1444         (sparc-sun-solaris2*): Update Solaris 7 example.
1445         (sparc64-*-solaris2*): Likewise.
1446
1447 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1448
1449         * config.build (alpha*-dec-osf4*): Remove.
1450         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1451         of obsolete configurations.
1452         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1453         support.
1454         * config/alpha/t-osf4: Renamed to ...
1455         * config/alpha/t-osf5: ... this.
1456         * config/alpha/osf.h: Renamed to ...
1457         * config/alpha/osf5.h: ... this.
1458         Merged old osf5.h contents.
1459         Update comments.
1460         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1461         (EXTRA_SPECS): Removed.
1462         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1463         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1464         Document that.
1465
1466 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1467
1468         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1469
1470 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1471
1472         PR/43702
1473         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1474         __thiscall convention.
1475
1476 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1477
1478         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1479         orig_base.
1480         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1481
1482 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1483
1484         * function.c (assign_parms_initialize_all): Add unused attribute
1485         to fntype.
1486
1487 2010-04-12  Richard Guenther  <rguenther@suse.de>
1488
1489         * gsstruct.def (GSS_CALL): New.
1490         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1491         * gimple.h: Include tree-ssa-alias.h.
1492         (struct gimple_statement_call): New.
1493         (union gimple_statement_struct_d): Add gimple_call member.
1494         (gimple_call_reset_alias_info): Declare.
1495         (gimple_call_use_set): New function.
1496         (gimple_call_clobber_set): Likewise.
1497         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1498         * gimple.c (gimple_call_reset_alias_info): New function.
1499         (gimple_build_call_1): Call it.
1500         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1501         * tree-inline.c (remap_gimple_stmt): Likewise.
1502         (expand_call_inline): Remove callused handling.
1503         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1504         * tree-dfa.c (dump_variable): Likewise.
1505         * tree-parloops.c (parallelize_loops): Likewise.
1506         * tree-ssa.c (init_tree_ssa): Likewise.
1507         (delete_tree_ssa): Likewise.
1508         * tree-flow-inline.h (is_call_used): Remove.
1509         * tree-flow.h (struct gimple_df): Remove callused member.
1510         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1511         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1512         (ref_maybe_used_by_call_p_1): Simplify.
1513         (call_may_clobber_ref_p_1): Likewise.
1514         * tree-ssa-structalias.c (compute_points_to_sets): Set
1515         the call stmt used and clobbered sets.
1516         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1517         (find_tail_calls): Verify the tail call.
1518
1519 2010-04-12  Richard Guenther  <rguenther@suse.de>
1520
1521         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1522         single-iteration always-inline inlining.
1523         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1524         (cgraph_decide_inlining): Do not handle always-inline specially.
1525         (try_inline): Remove always-inline cycle detection special case.
1526         Do not recurse on always-inlines.
1527         (cgraph_early_inlining): Do not iterate if not optimizing.
1528         (cgraph_gate_early_inlining): remove.
1529         (pass_early_inline): Run unconditionally.
1530         (gate_cgraph_decide_inlining): New function.
1531         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1532         not inlining or optimizing.
1533         (cgraph_decide_inlining_of_small_functions): Also consider
1534         always-inline functions.
1535         (cgraph_default_inline_p): Return true for nodes which should
1536         disregard inline limits.
1537         (estimate_function_body_sizes): Assume zero size and time for
1538         nodes which are marked as disregarding inline limits.
1539         (cgraph_decide_recursive_inlining): Do not perform recursive
1540         inlining on always-inline nodes.
1541
1542 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1543
1544         PR bootstrap/43699
1545         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1546         for exprs satisfying handled_component_p.
1547
1548 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1549
1550         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1551         non-constant aggregate elements.
1552
1553         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1554         is a real initialization.
1555
1556 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1557
1558         PR c/36774
1559         * c-decl.c (start_function): Move forward check for nested function.
1560
1561 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1562
1563         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1564         * config/sh/sh.c: Include reload.h.
1565         (sh_legitimize_reload_address): New.
1566         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1567         sh_legitimize_reload_address.
1568
1569 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1570
1571         * config/sh/sh.md (*movqi_pop): New insn pattern.
1572         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1573
1574 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1575
1576         * config/i386/i386.md (any_shiftrt): New code iterator.
1577         (shiftrt_insn): New code attribute.
1578         (shiftrt): Ditto.
1579         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1580         using any_shiftrt code iterator.
1581         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1582         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1583         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1584         pattern from corresponding peephole2 patterns.
1585         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1586         using any_shiftrt code iterator.
1587         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1588         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1589         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1590         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1591         *{ashr,lshr}<mode>3_cmp_zext.
1592         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1593
1594 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1595
1596         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1597         scratch register.
1598         (*lshr<mode>3_cconly): Ditto.
1599
1600 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1601
1602         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1603         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1604         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1605         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1606         DWI mode iterator.
1607         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1608         from corresponding peephole2 patterns.
1609         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1610         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1611         and *lshrdi3_1_rex64 using SWI mode iterator.
1612         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1613         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1614         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1615         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1616         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1617         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1618         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1619         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1620         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1621         SWI mode iterator.
1622
1623 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1624
1625         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1626         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1627         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1628         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1629         DWI mode iterator.
1630         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1631         from corresponding peephole2 patterns.
1632         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1633         (ashrsi3_cvt): Rename from ashrsi3_31.
1634         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1635         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1636         and x86_64_shift_adj_3 using SWI48 mode iterator.
1637         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1638         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1639         and *ashrdi3_1_rex64 using SWI mode iterator.
1640         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1641         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1642         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1643         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1644         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1645         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1646         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1647         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1648         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1649         SWI mode iterator.
1650         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1651         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1652         x86_shift<mode>_adj_3 expanders.
1653
1654 2010-04-10  Wei Guozhi  <carrot@google.com>
1655
1656         PR target/42601
1657         * config/arm/arm.c (arm_pic_static_addr): New function.
1658         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1659         a static symbol.
1660         (arm_output_addr_const_extra): Output expression for new pattern.
1661         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1662
1663 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1664
1665         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1666         not enabled.
1667
1668         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1669         * web.c: Include "insn-config.h" and "recog.h".
1670         (union_match_dups): New function.
1671         (web_main): Call it.
1672         (union_defs): Don't try to recognize match_dups.
1673
1674         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1675         if doing so would replace the entire pattern.
1676
1677 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1678
1679         PR target/43707
1680         PR target/43709
1681         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1682         and splitter pattern.  Change splitter operand 1 predicate to
1683         nonmemory_operand.
1684
1685 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1686
1687         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1688         lattices are addresses of CONST_DECLs with the same initial value.
1689         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1690         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1691
1692 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1693             Bernd Schmidt  <bernds@codesourcery.com>
1694
1695         * loop-invariant.c (replace_uses): New static function.
1696         (move_invariant_reg): Use it to ensure we can replace the uses.
1697
1698 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1699
1700         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1701         function template.
1702         (picochip_override_options): Enable section anchors only above -O1.
1703         (picochip_reorg): Fixed a couple of build warnings.
1704
1705 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1706
1707         * configure.ac (plugin -rdynamic test): Log result.
1708         * configure: Regenerate.
1709         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1710         (RDYNAMIC_SPEC): Define.
1711         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1712
1713 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1714
1715         * configure.ac: Determine Sun ld version numbers.
1716         (comdat_group): Restrict GNU ld version checks to gld.
1717         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1718         (enable_comdat): Support --enable-comdat.
1719         * configure: Regenerate.
1720         * doc/install.texi (Configuration): Document --enable-comdat.
1721
1722 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1723
1724         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1725         * config/sol2-gld.h: ... here.
1726         * config.gcc (sparc*-*-solaris2*): Reflect this.
1727         (i[34567]86-*-solaris2*): Use it.
1728
1729 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1730
1731         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1732         setup_clocks_p.
1733         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1734
1735 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1736
1737         PR 42965
1738         * diagnostic.c (diagnostic_initialize): Initialize
1739         some_warnings_are_errors.
1740         (diagnostic_finish): New.
1741         (diagnostic_action_after_output): Call it before exiting.
1742         (diagnostic_report_diagnostic): Do not print message here. Set
1743         some_warnings_are_errors.
1744         * diagnostic.h (diagnostic_context): Delete
1745         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1746         (diagnostic_finish): Declare.
1747         * toplev.c (toplev_main): Call it before exit.
1748
1749 2010-04-09  Jason Merrill  <jason@redhat.com>
1750
1751         PR c++/42623
1752         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1753         for incomplete type.
1754
1755         PR c++/41788
1756         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1757         based on a warning flag.
1758
1759 2010-04-09  Richard Guenther  <rguenther@suse.de>
1760
1761         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1762
1763 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1764
1765         PR bootstrap/43684
1766         * varasm.c (default_assemble_visibility): Wrap vars that are
1767         set, but unused, by targets without GAS.
1768         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1769         Remove set, but unused, vars.
1770         (rs6000_legitimize_tls_address): Likewise.
1771         (altivec_expand_dst_builtin): Likewise.
1772         * config/darwin.c (machopic_classify_symbol): Likewise.
1773         (machopic_indirection_name): Likewise.
1774
1775 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1776
1777         * config/i386/i386.md (DWI): New mode iterator.
1778         (S): New mode attribute.
1779         (shift_operand): Ditto.
1780         (shift_immediate_operand): Ditto.
1781         (ashl_input_operand): Ditto.
1782         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1783         using SDWIM mode iterator.
1784         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1785         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1786         DWI mode iterator.
1787         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1788         from corresponding peephole2 patterns.
1789         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1790         and x86_64_shift_adj_1 using SWI48 mode iterator.
1791         (x86_shift<mode>_adj_2): Ditto.
1792         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1793         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1794         using SWI48 mode iterator.
1795         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1796         *ashldi3_cmp_rex64 using SWI mode iterator.
1797         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1798         *ashldi3_cconly_rex64 using SWI mode iterator.
1799         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1800         x86_shift<mode>_adj_{1,2}.
1801         (ix86_split_ashr): Ditto.
1802         (ix86_split_lshr): Ditto.
1803
1804 2010-04-09  Richard Guenther  <rguenther@suse.de>
1805
1806         * target.h (builtin_conversion): Pass in input and output types.
1807         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1808         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1809         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1810         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1811
1812         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1813         Handle AVX modes.
1814         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1815
1816 2010-04-09  Richard Guenther  <rguenther@suse.de>
1817
1818         PR target/43152
1819         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1820
1821 2010-04-09  Richard Guenther  <rguenther@suse.de>
1822
1823         * tree-vectorizer.h (struct _stmt_vec_info): Document
1824         that vectype is the type of the LHS.
1825         (supportable_widening_operation, supportable_narrowing_operation):
1826         Get both input and output vector types as arguments.
1827         (vect_is_simple_use_1): Declare.
1828         (get_same_sized_vectype): Likewise.
1829         * tree-vect-loop.c (vect_determine_vectorization_factor):
1830         Set STMT_VINFO_VECTYPE to the vector type of the def.
1831         (vectorizable_reduction): Adjust.
1832         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1833         Adjust.  Specify the output vector type.
1834         (vect_pattern_recog_1): Adjust.
1835         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1836         (vectorizable_call): Adjust.
1837         (vectorizable_conversion): Likewise.
1838         (vectorizable_operation): Likewise.
1839         (vectorizable_type_demotion): Likewise.
1840         (vectorizable_type_promotion): Likewise.
1841         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1842         the def.
1843         (vect_is_simple_use_1): New function.
1844         (supportable_widening_operation): Get both input and output
1845         vector types.
1846         (supportable_narrowing_operation): Likewise.
1847         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1848
1849 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1850
1851         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1852         __thiscall and _thiscall as predefined macros.
1853         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1854         thiscall attribute handling.
1855         (ix86_comp_type_attributes): Likewise.
1856         (ix86_function_regparm): Likewise.
1857         (ix86_return_pops_args): Likewise.
1858         (init_cumulative_args): Likewise.
1859         (find_drap_reg): Likewise.
1860         (ix86_static_chain): Likewise.
1861         (x86_this_parameter): Likewise.
1862         (x86_output_mi_thunk): Likewise.
1863         (ix86_attribute_table): Add description for thiscall attribute.
1864         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1865         * doc/extend.texi: Add documentation for thiscall.
1866
1867 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1868
1869         PR c++/28584
1870         * c.opt (Wint-to-pointer-cast): Available in C++.
1871         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1872
1873 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1874
1875         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1876         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1877         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1878         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1879         function type instead.  Reorder and simplify checks.
1880
1881         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1882
1883 2010-04-08  Jing Yu  <jingyu@google.com>
1884             Zdenek Dvorak  <ook@ucw.cz>
1885
1886         PR tree-optimization/42720
1887         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1888         loop unswitch conditions here from ...
1889         (tree_unswitch_single_loop): ... here.
1890
1891 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1892
1893         * tree-if-conv.c: Fix comments and simplify logic.
1894
1895 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1896
1897         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1898         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1899         (main_tree_if_conversion): Update call to tree_if_conversion.
1900
1901 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1902
1903         PR 42485
1904         * doc/invoke.texi (-b,-V): Delete.
1905         * doc/tm.texi: Do not mention -b.
1906         * gcc.c (display_help): Delete -b and -V.
1907         (process_command): Delete -b and -V.
1908         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1909
1910 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1911             Wolfgang Gellerich  <gellerich@de.ibm.com>
1912
1913         Implement target hook for loop unrolling
1914         * target.h (loop_unroll_adjust): Add a new target hook function.
1915         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1916         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1917         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1918         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1919         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1920         target hook.
1921         (decide_unroll_stupid): Likewise.
1922
1923 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1924
1925         PR target/43643
1926         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1927
1928 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1929
1930         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1931         (Specific, *-*-solaris2*): Likewise.
1932         Don't prefer Sun as over GNU as.
1933
1934 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1935
1936         * config/s390/s390.c (override_options): Adjust the z10
1937           defaults for max-unroll-times, max-completely-peeled-insns
1938           and max-completely-peel-times.
1939
1940 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1941
1942         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1943         instructions for z10.
1944         (s390_expand_setmem): Likewise.
1945         (s390_expand_cmpmem): Likewise.
1946
1947 2010-04-08  Richard Guenther  <rguenther@suse.de>
1948
1949         PR tree-optimization/43679
1950         * tree-ssa-pre.c (eliminate): Only propagate copies.
1951
1952 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1953
1954         PR bootstrap/43681
1955         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1956         set but not used variable warning.
1957
1958 2010-04-08  Wei Guozhi  <carrot@google.com>
1959
1960         PR target/41653
1961         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1962         (arm_size_rtx_costs): Call the new function when optimized for size.
1963
1964 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1965
1966         PR debug/43670
1967         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1968         op0 is not a MEM, just return NULL instead of assertion
1969         failure.
1970         (discover_nonconstant_array_refs): Don't walk debug stmts.
1971
1972 2010-04-08  Doug Kwan  <dougkwan@google.com>
1973
1974         * configure.ac: Recognize gold and do not use its version number
1975         to test ld features.
1976         * configure: Regenerate.
1977
1978 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1979
1980         PR middle-end/40815
1981         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1982         (negate_value): Move code to push elements to broken_up_substracts ...
1983         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1984         negative pair to plus_negates.
1985         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1986
1987 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1988
1989         * doc/install.texi (Configuration): Move description of
1990         --enable-lto, --with-libelf*, --enable-gold from Java section to
1991         general section.
1992
1993         * doc/generic.texi (Working with declarations)
1994         (Function Properties, C and C++ Trees): Fix typos.
1995         * doc/sourcebuild.texi (Top Level): Likewise.
1996
1997 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1998
1999         PR c/18624
2000         * tree.h (DECL_READ_P): Define.
2001         (struct tree_decl_common): Add decl_read_flag.
2002         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2003         a set but not used warning.
2004         (merge_decls): Merge DECL_READ_P flag.
2005         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2006         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2007         * c-common.c (handle_used_attribute, handle_unused_attribute):
2008         Likewise.
2009         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2010         New prototypes.
2011         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2012         New functions.
2013         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2014         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2015         c_parser_binary_expression, c_parser_cast_expression,
2016         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2017         Call default_function_array_read_conversion instead of
2018         default_function_array_conversion where needed.
2019         (c_parser_unary_expression, c_parser_conditional_expression,
2020         c_parser_postfix_expression_after_primary, c_parser_initelt):
2021         Likewise.  Call mark_exp_read where needed.
2022         (c_parser_statement_after_labels, c_parser_asm_operands,
2023         c_parser_typeof_specifier, c_parser_sizeof_expression,
2024         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2025         where needed.
2026         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2027         New.
2028         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2029         (warn_unused_but_set_parameter): Default to warn_unused
2030         && extra_warnings.
2031         * doc/invoke.texi: Document -Wunused-but-set-variable and
2032         -Wunused-but-set-parameter.
2033
2034         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2035         used count variable.
2036         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2037         when operandN variables aren't used in the body of the expander
2038         or splitter.
2039         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2040         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2041         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2042         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2043         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2044         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2045         * tree.c (PROCESS_ARG): Likewise.
2046
2047 2010-04-07  Simon Baldwin  <simonb@google.com>
2048
2049         * diagnostic.h (diagnostic_override_option_index): New macro to
2050         set a diagnostic's option_index.
2051         * c-tree.h (c_cpp_error): Add warning reason argument.
2052         * opts.c (_warning_as_error_callback): New.
2053         (register_warning_as_error_callback): Store callback for
2054         warnings enabled via enable_warning_as_error.
2055         (enable_warning_as_error): Call callback, minor code tidy.
2056         * opts.h (register_warning_as_error_callback): Declare.
2057         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2058         response to -Werror=.
2059         (c_common_init_options): Register warning_as_error_callback in opts.c.
2060         * common.opt: Add -Wno-cpp option.
2061         * c-common.c (struct reason_option_codes_t): Map cpp warning
2062         reason codes to gcc option indexes.
2063         * (c_option_controlling_cpp_error): New function, lookup the gcc
2064         option index for a cpp warning reason code.
2065         * (c_cpp_error): Add warning reason argument, call
2066         c_option_controlling_cpp_error for diagnostic_override_option_index.
2067         * doc/invoke.texi: Document -Wno-cpp.
2068
2069 2010-04-07  Richard Guenther  <rguenther@suse.de>
2070
2071         * ipa-reference.c (mark_load): Use get_base_address.
2072         (mark_store): Likewise.
2073
2074         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2075         inserting GIMPLE_NOPs into the IL.
2076         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2077         Explicitly strip handled components and indirect references.
2078
2079         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2080         folding address expressions.
2081         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2082         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2083         operand_equal_p to compare decls.
2084         (ptr_deref_may_alias_decl_p): Likewise.
2085         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2086         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2087         Handle reversed comparison ops.
2088         * tree-sra.c (asm_visit_addr): Use get_base_address.
2089         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2090         * ipa-reference.c (mark_address): Use get_base_address.
2091
2092 2010-04-07  Richard Guenther  <rguenther@suse.de>
2093
2094         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2095         Propagate constants everywhere.
2096
2097 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2098
2099         PR debug/43516
2100         * tree.c (MAX_INT_CACHED_PREC): Define.
2101         (nonstandard_integer_type_cache): New array.
2102         (build_nonstandard_integer_type): Cache results for precision
2103         <= MAX_INT_CACHED_PREC.
2104
2105 2010-04-07  Richard Guenther  <rguenther@suse.de>
2106
2107         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2108         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2109         * common.opt: Likewise.
2110         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2111         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2112         (nonoverlapping_memrefs_p): Likewise.
2113         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2114         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2115         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2116         OPT_fargument_noalias_global for backward compatibility.
2117
2118 2010-04-07  Richard Guenther  <rguenther@suse.de>
2119
2120         PR tree-optimization/43270
2121         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2122         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2123         * tree-ssa-pre.c (phi_translate_1): Adjust.
2124         (fully_constant_expression): Split out vn_reference handling to ...
2125         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2126         Fold reads from constant strings.
2127         (vn_reference_lookup): Handle fully constant references.
2128         (vn_reference_lookup_pieces): Likewise.
2129         * Makefile.in (expmed.o-warn): Add -Wno-error.
2130
2131 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2132
2133         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2134
2135 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2136
2137         PR driver/41594
2138         * gcc.c: Add -static-libstdc++ to list of recognized options.
2139
2140 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2141
2142         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2143
2144 2010-04-07  Richard Guenther  <rguenther@suse.de>
2145
2146         PR middle-end/42617
2147         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2148         bases build simple mem attributes to retain points-to information.
2149
2150 2010-04-07  Richard Guenther  <rguenther@suse.de>
2151
2152         PR middle-end/42617
2153         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2154         preserve points-to related information.
2155
2156 2010-04-07  Richard Guenther  <rguenther@suse.de>
2157
2158         PR middle-end/42617
2159         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2160         discard plain indirect references.
2161         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2162         * tree.c (tree_nop_conversion): Likewise.
2163
2164 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2165
2166         PR debug/43628
2167         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2168
2169 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2170
2171         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2172         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2173
2174 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2175
2176         * tree-if-conv.c: Fix indentation and comments.
2177
2178 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2179
2180         * tree-if-conv.c: Sort static functions in topological order.
2181
2182 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2183
2184         * tree-if-conv.c: Fix indentation and comments.
2185
2186 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2187
2188         PR middle-end/43519
2189         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2190         lang_hooks.types.type_for_size instead of
2191         build_nonstandard_integer_type.
2192         When converting an unsigned type to signed, double its precision.
2193         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2194         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2195         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2196         use lb <= ub.
2197
2198 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2199
2200         PR middle-end/43519
2201         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2202         POINTER_PLUS_EXPR for pointer types.
2203
2204 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2205
2206         PR middle-end/43519
2207         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2208         * graphite-clast-to-gimple.c: Include langhooks.h.
2209         (max_signed_precision_type): New.
2210         (max_precision_type): Takes two types as arguments.
2211         (precision_for_value): New.
2212         (precision_for_interval): New.
2213         (gcc_type_for_interval): New.
2214         (gcc_type_for_value): New.
2215         (gcc_type_for_clast_term): New.
2216         (gcc_type_for_clast_red): New.
2217         (gcc_type_for_clast_bin): New.
2218         (gcc_type_for_clast_expr): Split up into several functions.
2219         (gcc_type_for_clast_eq): Rewritten.
2220         (compute_bounds_for_level): New.
2221         (compute_type_for_level_1): New.
2222         (compute_type_for_level): New.
2223         (gcc_type_for_cloog_iv): Removed.
2224         (gcc_type_for_iv_of_clast_loop): Rewritten.
2225         (graphite_create_new_loop): Compute the lower and upper bound types
2226         with gcc_type_for_clast_expr.
2227         (graphite_create_new_loop_guard): Same.
2228         (find_cloog_iv_in_expr): Removed.
2229         (compute_cloog_iv_types_1): Removed.
2230         (compute_cloog_iv_types): Removed.
2231         (gloog): Do not call compute_cloog_iv_types.
2232         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2233         GBB_CLOOG_IV_TYPES.
2234         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2235         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2236         (GBB_CLOOG_IV_TYPES): Removed.
2237
2238 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2239
2240         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2241         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2242         (detect_commutative_reduction): Same.
2243
2244 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2247         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2248         argument.
2249         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2250         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2251         (rewrite_commutative_reductions_out_of_ssa): Same.
2252         * passes.c (execute_function_todo): Call verify_ssa for every pass
2253         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2254         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2255         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2256         with an extra argument.
2257         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2258         verify_ssa only when the extra argument is true.
2259         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2260         with an extra argument.
2261         (tree_transform_and_unroll_loop): Same.
2262
2263 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2264
2265         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2266         for all the passes of the LNO having LOOP_CLOSED_SSA.
2267         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2268         * tree-loop-distribution.c (pass_loop_distribution): Same.
2269         * tree-pass.h (TODO_verify_loops): Removed.
2270         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2271         (pass_lim): Same.
2272         (pass_tree_unswitch): Same.
2273         (pass_predcom): Same.
2274         (pass_vectorize): Same.
2275         (pass_linear_transform): Same.
2276         (pass_graphite_transforms): Same.
2277         (pass_iv_canon): Same.
2278         (pass_complete_unroll): Same.
2279         (pass_complete_unrolli): Same.
2280         (pass_parallelize_loops): Same.
2281         (pass_loop_prefetch): Same.
2282         (pass_iv_optimize): Same.
2283
2284 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2285
2286         PR middle-end/32824
2287         * passes.c (init_optimization_passes): Move pass_lim before
2288         pass_copy_prop and pass_dce_loop.
2289
2290 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2291
2292         PR target/43667
2293         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2294         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2295         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2296         MULTI_* defines for 4 argument vpermil2p* builtins.
2297
2298 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2299
2300         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2301         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2302         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2303         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2304         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2305         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2306         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2307         Use x86_maybe_negate_const_int to output insn mnemonic.
2308         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2309         check from instruction predicate.  Update comments.
2310         * config/i386/sync.md (sync_add<mode>): Use
2311         x86_maybe_negate_const_int to output insn mnemonic.
2312
2313 2010-04-06  Jan Hubicka  <jh@suse.cz>
2314
2315         PR tree-optimization/42906
2316         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2317         IGNORE_SELF argument.  Set visited_control_parents for fully
2318         processed BBs.
2319         (find_obviously_necessary_stmts): Update call of
2320         mark_control_dependent_edges_necessary.
2321         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2322
2323 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2324
2325         * config/i386/i386.md: Remove comment about 'e' and 'E'
2326         operand modifier.
2327
2328 2010-04-06  Richard Guenther  <rguenther@suse.de>
2329
2330         PR tree-optimization/43627
2331         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2332         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2333         not varying.
2334
2335 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2336
2337         * BASE-VER: Change to 4.6.0.
2338
2339         PR target/43638
2340         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2341         handling.
2342
2343 2010-04-06  Richard Guenther  <rguenther@suse.de>
2344
2345         PR middle-end/43661
2346         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2347
2348 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2349
2350         * doc/invoke.texi (Optimize Options): Document that LTO
2351         won't remove object access purely due to incompatible
2352         declarations.
2353
2354 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2355
2356         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2357         Initialize variable.
2358
2359 2010-04-03  Richard Guenther  <rguenther@suse.de>
2360
2361         PR middle-end/42509
2362         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2363         require a non-NULL MEM_OFFSET.
2364
2365 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2366
2367         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2368         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2369         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2370         config/alpha/predicates.md, config/arm/arm.md,
2371         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2372         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2373         config/darwin9.h, config/darwin.c, config/darwin.h,
2374         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2375         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2376         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2377         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2378         config/mips/mips.md, config/mn10300/mn10300.c,
2379         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2380         config/rs6000/aix.h, config/rs6000/dfp.md,
2381         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2382         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2383         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2384         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2385         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2386         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2387         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2388         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2389         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2390         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2391         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2392         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2393         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2394         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2395         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2396         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2397         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2398         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2399         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2400         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2401         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2402         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2403         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2404         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2405         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2406         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2407         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2408         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2409         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2410         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2411         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2412         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2413         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2414         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2415         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2416         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2417
2418 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2419
2420         PR other/43620
2421         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2422         * aclocal.m4: Regenerate.
2423
2424 2010-04-02  Richard Guenther  <rguenther@suse.de>
2425
2426         PR tree-optimization/43629
2427         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2428         if we have seen a constant value.
2429
2430 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2431
2432         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2433
2434 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2435
2436         PR target/43469
2437         * arm.c (legitimize_tls_address): Adjust call to
2438         gen_tls_load_dot_plus_four.
2439         (arm_note_pic_base): New function.
2440         (arm_cannot_copy_insn_p): Use it.
2441         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2442         constraint.
2443
2444 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2445
2446         PR bootstrap/43531
2447
2448         Revert:
2449         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2450
2451         * Makefile.in ($(out_object_file)): Depend on
2452         gt-$(basename $(notdir $(out_file))).h.
2453
2454 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2455
2456         * config.gcc (lm32-*-rtems*): Add t-lm32.
2457
2458 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2459
2460         * config.gcc: Add lm32-*-rtems*.
2461         * config/lm32/rtems.h: New file.
2462
2463 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2464
2465         PR target/42609
2466         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2467
2468 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2469
2470         * dwarf2out.c (output_compilation_unit_header): For
2471         -gdwarf-4 use version 4 instead of version 3.
2472         (output_line_info): For version 4 and above emit additional
2473         maximum ops per insn header field.
2474         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2475
2476         * dwarf2out.c (is_c_family, is_java): Remove.
2477         (lower_bound_default): New function.
2478         (add_bound_info, gen_descr_array_type_die): Use it.
2479
2480 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2481
2482         PR debug/43325
2483         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2484         re-declaration when it happens in a function.
2485
2486 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2487
2488         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2489         (cgraph_remove_function_insertion_hook): Same.
2490         (cgraph_call_function_insertion_hooks): Same.
2491
2492 2010-04-01  Richard Guenther  <rguenther@suse.de>
2493
2494         PR middle-end/43614
2495         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2496         and TREE_THIS_VOLATILE.
2497         (copy_ref_info): Likewise.
2498         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2499         * tree.c (build6_stat): Ignore side-effects of all but arg5
2500         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2501         TARGET_MEM_REF.
2502
2503 2010-04-01  Richard Guenther  <rguenther@suse.de>
2504
2505         PR tree-optimization/43607
2506         * ipa-type-escape.c (check_call): Do not access non-existing
2507         arguments.
2508
2509 2010-04-01  Richard Guenther  <rguenther@suse.de>
2510
2511         PR middle-end/43602
2512         Revert
2513         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2514                     Jack Howarth <howarth@bromo.med.uc.edu>
2515
2516         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2517         variables TLS.
2518
2519 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2520
2521         * doc/install.texi (Prerequisites): Document libelf usability on
2522         IRIX 5/6 and Solaris 2.
2523         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2524         Update GNU as, GNU ld requirements.
2525         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2526         Document Sun Studio compiler download.
2527         Update and simplify as, ld recommendations.
2528         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2529
2530 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2531
2532         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2533         with_tune_32 to pentium4.
2534
2535 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2536
2537         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2538
2539 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2540
2541         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2542         obsoletion, removal.
2543         Update IDO URL.
2544         Document GNU as requirement.
2545         Update configure requirements.
2546         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2547         Recomment IRIX 6.5.18+.
2548         Document IDF/IDL requirement.
2549         Document GNU as requirement.
2550         Document GNU ld bootstrap failure.
2551         Remove freeware.sgi.com reference.
2552
2553 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2554
2555         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2556         UNIX V4.0, V5.0 obsoletion, removal.
2557         Remove --with-gc=simple reference.
2558         Update VM requirements during bootstrap.
2559         Remove -oldas bootstrap description.
2560         Update binutils reference.
2561         Remove comparison failure note.
2562
2563 2010-03-31  Richard Guenther  <rguenther@suse.de>
2564             Zdenek Dvorak  <ook@ucw.cz>
2565             Sebastian Pop  <sebastian.pop@amd.com>
2566
2567         PR middle-end/43464
2568         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2569         with multiple arguments.
2570         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2571
2572 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2573
2574         * graphite-dependences.c (print_pddr): Call print_pdr with an
2575         extra argument.
2576         * graphite-poly.c (debug_pdr): Add an extra argument for the
2577         verbosity level.
2578         (print_pdr): Same.
2579         (print_pbb_domain): Same.
2580         (print_pbb): Same.
2581         (print_scop_context): Same.
2582         (print_scop): Same.
2583         (print_cloog): Same.
2584         (debug_pbb_domain): Same.
2585         (debug_pbb): Same.
2586         (print_pdrs): Same.
2587         (debug_pdrs): Same.
2588         (debug_scop_context): Same.
2589         (debug_scop): Same.
2590         (debug_cloog): Same.
2591         (print_scop_params): Same.
2592         (debug_scop_params): Same.
2593         (print_iteration_domain): Same.
2594         (print_iteration_domains): Same.
2595         (debug_iteration_domain): Same.
2596         (debug_iteration_domains): Same.
2597         (print_scattering_function): Same.
2598         (print_scattering_functions): Same.
2599         (debug_scattering_function): Same.
2600         (debug_scattering_functions): Same.
2601         * graphite-poly.h (debug_pdr): Update declaration.
2602         (print_pdr): Same.
2603         (print_pbb_domain): Same.
2604         (print_pbb): Same.
2605         (print_scop_context): Same.
2606         (print_scop): Same.
2607         (print_cloog): Same.
2608         (debug_pbb_domain): Same.
2609         (debug_pbb): Same.
2610         (print_pdrs): Same.
2611         (debug_pdrs): Same.
2612         (debug_scop_context): Same.
2613         (debug_scop): Same.
2614         (debug_cloog): Same.
2615         (print_scop_params): Same.
2616         (debug_scop_params): Same.
2617         (print_iteration_domain): Same.
2618         (print_iteration_domains): Same.
2619         (debug_iteration_domain): Same.
2620         (debug_iteration_domains): Same.
2621         (print_scattering_function): Same.
2622         (print_scattering_functions): Same.
2623         (debug_scattering_function): Same.
2624         (debug_scattering_functions): Same.
2625
2626 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2627
2628         * graphite-poly.c (print_scattering_function_1): New.
2629         (print_scattering_function): Call it.
2630         (print_scop_params): Remove spaces at the end of lines.
2631         (print_cloog): New.
2632         (debug_cloog): New.
2633         * graphite-poly.h (print_cloog): Declared.
2634         (debug_cloog): Declared.
2635
2636 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2637
2638         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2639         in loop->header.
2640         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2641         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2642         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2643         to switch between adding the IV bump in loop->latch or in loop->header.
2644
2645 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite-poly.c (print_scattering_function): Pretty print following
2648         the scoplib format.
2649         (print_pdr): Same.
2650         (print_pbb_domain): Same.
2651         (dump_gbb_cases): Same.
2652         (dump_gbb_conditions): Same.
2653         (print_pdrs): Same.
2654         (print_pbb): Same.
2655         (print_scop_params): Same.
2656         (print_scop_context): Same.
2657         (print_scop): Same.
2658         (print_pbb_body): New.
2659         (lst_indent_to): New.
2660         (print_lst): Start new lines with a #.
2661         * graphite-poly.h (pbb_bb): New.
2662         (pbb_index): Use pbb_bb.
2663         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2664         disjuncts.
2665         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2666
2667 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2668
2669         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2670         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2671         and 0 instead of 1 for dw_val_class_flag.
2672         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2673         dw_val_class_range_list, dw_val_class_loc_list,
2674         dw_val_class_lineptr and dw_val_class_macptr, use
2675         DW_FORM_flag_present for dw_val_class_flag and
2676         DW_FORM_exprloc for dw_val_class_loc.
2677         (output_die): For -gdwarf-4 print dw_val_class_loc
2678         size as uleb128 instead of 1 or 2 bytes and don't print
2679         anything for dw_val_class_flag.
2680
2681         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2682         instead of cselib_lookup following by tweaking locs->setting_insn.
2683
2684         PR bootstrap/43596
2685         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2686         even before returning from label, setjmp call or volatile asm
2687         handling.
2688
2689 2010-03-31  Richard Guenther  <rguenther@suse.de>
2690
2691         PR middle-end/43600
2692         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2693         temporary data on stack.
2694
2695 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2696
2697         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2698         (PUSHSECTION_ASM_OP): Remove.
2699         (POPSECTION_ASM_OP): Remove.
2700         (PUSHSECTION_FORMAT): Remove.
2701         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2702         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2703         * config/sol2.c (solaris_output_init_fini): Use it.
2704
2705 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2706
2707         PR 43574
2708         * opt-functions.awk (var_type_struct): Use signed char type
2709         for simple variables.
2710
2711 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2712
2713         * config/sol2.c: Include output.h.
2714         (solaris_assemble_visibility): New function.
2715         * config/t-sol2 (sol2.o): Add output.h dependency.
2716         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2717         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2718         Redefine.
2719
2720 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2721
2722         PR target/43580
2723         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2724         V2SImode or XFmode on PRE_DEC.
2725
2726         PR debug/43557
2727         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2728         BLKmode.
2729
2730 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2731
2732         PR 43562
2733         * reload.h (caller_save_initialized_p): Declare.
2734         * toplev.c (backend_init_target): Don't call
2735         init_caller_save but set caller_save_initialized_p to false.
2736         * caller-save.c (caller_save_initialized_p): Define.
2737         (init_caller_save): Check caller_save_initialized_p.
2738         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2739
2740 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2741
2742         PR target/39048
2743         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2744         and soft-fp/t-softfp to tmake_file.
2745         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2746         (LIBGCC2_TF_CEXT): Define.
2747         (TF_SIZE): Define.
2748
2749 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2750
2751         PR debug/42977
2752         * cselib.c (n_useless_values): Document handling of debug locs.
2753         (n_useless_debug_values, n_debug_values): New variables.
2754         (new_elt_loc_list): Don't add to debug values, keep count.
2755         (promote_debug_loc): New.
2756         (cselib_reset_table): Zero new variables.
2757         (entry_and_rtx_equal_p): Promote debug locs.
2758         (discard_useless_locs): Increment n_useless_debug_values for
2759         debug values.
2760         (remove_useless_values): Adjust n_useless_values and n_debug_values
2761         with n_useless_debug_values.
2762         (add_mem_for_addr): Promote debug locs.
2763         (cselib_lookup_mem): Likewise.
2764         (cselib_lookup_addr): Renamed to...
2765         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2766         (cselib_log_lookup): ... this.  Turn into...
2767         (cselib_lookup_addr): ... new wrapper.
2768         (cselib_lookup_from_insn): New.
2769         (cselib_invalidate_regno): Increment n_useless_debug_values for
2770         debug values.
2771         (cselib_invalidate_mem): Likewise.
2772         (cselib_process_insn): Take n_deleted and n_debug_values into
2773         account to guard remove_useless_value call.
2774         (cselib_finish): Zero n_useless_debug_values.
2775         * cselib.h (cselib_lookup_from_insn): Declare.
2776         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2777         (sched_analyze_2): Likewise.
2778
2779 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2780
2781         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2782         functions.
2783         (adjust_mems): Replace narrowing SUBREG of expression containing
2784         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2785         with operations in the narrower mode.
2786
2787         PR debug/43593
2788         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2789         regs_invalidated_by_call instead all call_used_reg_set registers.
2790
2791 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2792
2793         PR middle-end/43430
2794         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2795         pointer comparisons with types_compatible_p.
2796         * tree-vect-stmts.c (vectorizable_call): Same.
2797         (vectorizable_condition): Same.
2798
2799 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2800
2801         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2802         stack check if the mask would be zero.
2803
2804 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2805             Jack Howarth <howarth@bromo.med.uc.edu>
2806
2807         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2808         variables TLS.
2809
2810 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2811
2812         PR other/25232
2813         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2814         and __unordtf2.
2815         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2816         Include ___unordxf2 and ___unordtf2.
2817         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2818         GCC_4.4.0 here.
2819
2820 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2821
2822         * config/lm32/t-lm32: New file.
2823         * config.gcc: Use the above file when targetting lm32.
2824
2825 2010-03-28  Duncan Sands  <baldrick@free.fr>
2826
2827         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2828
2829 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2830
2831         PR middle-end/43431
2832         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2833         Improve vectorization cost model diagnostic.
2834
2835 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         PR middle-end/43436
2838         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2839         compute_data_dependences_for_loop returns false, early exit
2840         and output an extra diagnostic for the failed data reference
2841         analysis.
2842
2843 2010-03-29  Richard Guenther  <rguenther@suse.de>
2844
2845         PR tree-optimization/43560
2846         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2847         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2848
2849 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2850
2851         PR 43564
2852         * toplev.c (process_options): Set optimization_default_node
2853         and optimization_current_node.
2854         * opts.c (decode_options): Don't set optimization_default_node
2855         and optimization_current_node.
2856
2857 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2858
2859         * config/rtems.h: Abandon -qrtems_debug.
2860
2861 2010-03-28  Jan Hubicka  <jh@suse.cz>
2862
2863         PR tree-optimization/43505
2864         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2865         map should not be copied.
2866
2867 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2868
2869         PR middle-end/41674
2870         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2871         cdtors, set DECL_PRESERVE_P.
2872         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2873         should be preseved.
2874
2875 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2876
2877         PR tree-optimization/43528
2878         * stor-layout.c (place_field): Check that constant fits into
2879         unsigned HWI when skipping calculation of MS bitfield layout.
2880
2881 2010-03-27  Jan Hubicka  <jh@suse.cz>
2882
2883         PR middle-end/43391
2884         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2885         notice_global_symbol work.
2886
2887 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2888
2889         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2890         instead of dwarf2out_decl.
2891         (struct var_loc_node): Remove section_label field.
2892         (dwarf2out_function_decl): New function.
2893         (dwarf2out_var_location): Don't set section_label field.
2894         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2895
2896 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2897
2898         PR tree-optimization/43544
2899         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2900         First argument for builtin vectorized function hook is now a
2901         tree to be able to distinguish between machine specific and
2902         standard builtins.
2903         * targhooks.c (default_builtin_vectorized_function): Ditto.
2904         * targhooks.h (default_builtin_vectorized_function): Ditto.
2905         * target.h (struct gcc_target): Ditto.
2906         * tree-vect-stmts.c (vectorizable_function): Ditto.
2907         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2908         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2909         Ditto.
2910
2911 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2912
2913         PR c/43381
2914         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2915         nested binding iff it is a FUNCTION_DECL.
2916         (store_parm_decls_newstyle): Pass nested=true to bind for
2917         FUNCTION_DECLs amongst parameters.
2918
2919 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2920
2921         * var-tracking.c (vt_expand_loc_callback): Don't run
2922         cselib_expand_value_rtx_cb in dummy mode if
2923         cselib_dummy_expand_value_rtx_cb returned false.
2924
2925         * var-tracking.c (emit_note_insn_var_location): For one part
2926         notes with offset 0, don't add EXPR_LIST around the location.
2927         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2928         add_location_or_const_value_attribute): Adjust for that change.
2929
2930         PR debug/43540
2931         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2932         into first operand and location into second.
2933         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2934         dw_cfi_oprnd_loc for DW_CFA_expression.
2935         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2936         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2937         assume first argument is regnum and second argument is location.
2938
2939 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2940
2941         PR target/42113
2942         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2943         of scratch register to DImode.  Split to DImode comparison operator.
2944         Use SImode subreg of scratch register in the multiplication.
2945         (*cmp_sadd_sidi): Ditto.
2946         (*cmp_ssub_si): Ditto.
2947         (*cmp_ssub_sidi): Ditto.
2948
2949 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2950
2951         PR target/43524
2952         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2953         Remove invalid assert and wrong comment.
2954
2955 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2956
2957         PR debug/43516
2958         * flags.h (final_insns_dump_p): New extern.
2959         * final.c (final_insns_dump_p): New variable.
2960         (rest_of_clean_state): Set it before -fdump-final-insns=
2961         dumping, clear afterwards.
2962         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2963         MEM_ALIAS_SET on MEMs.
2964
2965 2010-03-26  David S. Miller  <davem@davemloft.net>
2966
2967         * configure.ac: Fix sparc GOTDATA_OP bug check.
2968         * configure: Rebuild.
2969
2970 2010-03-26  Alan Modra  <amodra@gmail.com>
2971
2972         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2973
2974 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2975
2976         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2977         TLS_SECTION_ASM_FLAG.
2978
2979 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2980
2981         PR bootstrap/43511
2982         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2983         Clear first_function_block_is_cold.
2984
2985         PR c/43385
2986         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2987         argument if the argument is truth_value_p.
2988
2989 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2990
2991         * config/rs6000/constraints.md: Update copyright year for my changes.
2992
2993         PR target/43484
2994         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2995         used in reg+reg addressing, swap registers.
2996
2997 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2998
2999         PR debug/43293
3000         * target.h (struct gcc_target): Add code_end hook.
3001         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3002         if not yet defined.
3003         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3004         * toplev.c (compile_file): Call targetm.asm_out.code_end
3005         hook before unwind info/debug info output.
3006         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3007         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3008         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3009         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3010         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3011         * config/i386/i386.c (ix86_file_end): Renamed to...
3012         (ix86_code_end): ... this.  Make static.  Don't call
3013         file_end_indicate_exec_stack.  Emit unwind info using
3014         final_start_function/final_end_function.
3015         (darwin_x86_file_end): Remove.
3016         (TARGET_ASM_CODE_END): Define.
3017         * config/i386/i386.h (TARGET_ASM_FILE_END,
3018         NEED_INDICATE_EXEC_STACK): Don't define.
3019         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3020         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3021         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3022         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3023
3024         PR target/43498
3025         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3026         at the beginning and final_end_function at the end.
3027         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3028
3029 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3030
3031         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3032         and Sun as TLS syntax.
3033         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3034         * configure: Regenerate.
3035         * config.in: Regenerate.
3036         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3037         (default_elf_asm_named_section): Use it.
3038         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3039         (i386_output_dwarf_dtprel): Likewise.
3040         (output_addr_const_extra): Likewise.
3041         (output_pic_addr_const): Lowercase @GOTTPOFF.
3042         (output_addr_const_extra): Likewise.
3043         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3044         (output_addr_const_extra): Likewise.
3045         (output_pic_addr_const): Lowercase @INDNTPOFF.
3046         (output_addr_const_extra): Likewise.
3047         (output_pic_addr_const): Lowercase @NTPOFF.
3048         (output_addr_const_extra): Likewise.
3049         (output_pic_addr_const): Lowercase @TPOFF.
3050         (output_addr_const_extra): Likewise.
3051         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3052         (*tls_global_dynamic_64): Likewise.
3053         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3054         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3055
3056         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3057         (ASM_OUTPUT_TLS_COMMON): Use it.
3058         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3059
3060         PR target/38118
3061         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3062         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3063         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3064         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3065         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3066         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3067
3068 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3069
3070         * config/i386/i386.c (override_options): Don't accept
3071         -mtls-dialect=sun any longer.
3072         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3073         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3074         (*tls_local_dynamic_base_32_sun): Likewise.
3075         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3076
3077 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3078
3079         PR debug/43508
3080         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3081         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3082
3083         PR debug/43479
3084         * ira.c (adjust_cleared_regs): New function.
3085         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3086
3087         PR debug/19192
3088         PR debug/43479
3089         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3090         from gimple_block.
3091         * expr.c (expand_expr_real): Restore previous
3092         curr_insn_source_location and curr_insn_block after
3093         expand_expr_real_1 call.
3094         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3095         instead of expand_expr_real_1.
3096
3097 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3098
3099         PR rtl-optimization/43413
3100         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3101         hard regs too.
3102
3103 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3104
3105         PR target/43348
3106         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3107         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3108
3109 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3110
3111         * config/i386/i386.c (ix86_target_string): Add -mfma.
3112         Fix a typo in comment.
3113
3114 2010-03-22  Mike Stump  <mikestump@comcast.net>
3115
3116         PR target/23071
3117         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3118         Don't overly align based upon packed packed fields.
3119
3120 2010-03-22  Jason Merrill  <jason@redhat.com>
3121
3122         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3123         Use () rather than [], and move before the element type.
3124
3125 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3126
3127         * doc/configfiles.texi (Configuration Files): Removed
3128         fixinc/Makefile*, intl/Makefile.*.
3129         * doc/makefile.texi: Fixed markup. Abstract from version
3130         control system used.
3131         (Makefile): Removed obsolete gcc/java/parse.y example.
3132         * doc/sourcebuild.texi: Likewise.
3133         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3134         libgomp, libssp.  Removed fastjar.
3135         (Miscellaneous Docs): Clarify location.
3136         Added COPYING3, COPYING3.LIB.
3137         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3138
3139 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3140
3141         PR target/38085
3142         * config/i386/i386.c (x86_function_profiler)
3143         [!NO_PROFILE_COUNTERS]: Fix typo.
3144         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3145         instead of callq.
3146
3147 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3148             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3149
3150         * doc/sourcebuild.texi (Test Directives): Split into six
3151         subsections, with most of the current text in new subsections
3152         Directives, Selectors, and Final Actions.
3153         (Directives): Split list of test directives into multiple
3154         subsubsections.
3155         (Selectors): Describe use and syntax of selectors.
3156         (Effective-Target Keywords): Describe all existing keywords.
3157         (Add Options): Describe features for dg-add-options.
3158         (Require Support): Describe variants of dg-require-support.
3159         (Final Actions): Describe commands to use in dg-final.
3160
3161 2010-03-22  Michael Matz  <matz@suse.de>
3162
3163         PR middle-end/43475
3164         * recog.c (validate_replace_rtx_group): Replace also in
3165         REG_EQUAL and REG_EQUIV notes.
3166
3167 2010-03-22  Richard Guenther  <rguenther@suse.de>
3168
3169         PR tree-optimization/43390
3170         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3171         sure vector extracts are type correct.
3172
3173 2010-03-22  Richard Guenther  <rguenther@suse.de>
3174
3175         PR middle-end/40106
3176         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3177         x * sqrt (x) even when optimizing for size if the target
3178         has native support for sqrt.
3179
3180 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3181
3182         * varasm.c (make_decl_rtl_for_debug): Also clear
3183         flag_mudflap for the duration of make_decl_rtl call.
3184
3185         PR debug/43443
3186         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3187         locs from preserved VALUEs.
3188
3189 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3190
3191         PR middle-end/42718
3192         * pa.md (movmemsi): Set align to one if zero.
3193         (movmemdi): Likewise.
3194
3195 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3196
3197         PR target/42321
3198         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3199         with their corresponding prologue pushes.
3200
3201 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3202
3203         PR target/43156
3204         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3205         at the begining or end.
3206         (spu_expand_epilogue): Likewise.
3207
3208 2010-03-20  Richard Guenther  <rguenther@suse.de>
3209
3210         PR rtl-optimization/43438
3211         * combine.c (make_extraction): Properly zero-/sign-extend an
3212         extraction of the low part of a CONST_INT.  Also handle
3213         CONST_DOUBLE.
3214
3215 2010-03-19  Mike Stump  <mikestump@comcast.net>
3216
3217         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3218         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3219         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3220
3221 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3222
3223         PR c/43211
3224         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3225         an error.
3226
3227 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3228
3229         PR rtl-optimization/42258
3230         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3231         use that may match DEF.
3232
3233         PR target/40697
3234         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3235         the cost of loading the constant rather than assuming
3236         COSTS_N_INSNS (1).
3237         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3238         outer code is AND, do the same tests as the andsi3 expander and
3239         return COSTS_N_INSNS (1) if and is cheap.
3240
3241         * optabs.c (avoid_expensive_constant): Fix formatting.
3242
3243 2010-03-19  Michael Matz  <matz@suse.de>
3244
3245         PR c++/43116
3246         * attribs.c (decl_attributes): When rebuilding a function pointer
3247         type use the same qualifiers as the original pointer type.
3248
3249 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3250
3251         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3252         and is_gimple_ip_invariant_address.
3253
3254 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3255
3256         Revert
3257         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3258
3259         * config/arm/arm.c (arm_override_options): Turn off
3260         flag_dwarf2_cfi_asm for AAPCS variants.
3261
3262 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3263
3264         PR target/43399
3265         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3266         Use PRE_MODIFY instead of PRE_DEC.
3267         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3268         (vfp_emit_fstmd): Likewise.
3269
3270 2010-03-19  Michael Matz  <matz@suse.de>
3271
3272         PR target/43305
3273         * builtins.c (expand_builtin_interclass_mathfn,
3274         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3275         if that fails.
3276
3277 2010-03-19  Richard Guenther  <rguenther@suse.de>
3278
3279         PR tree-optimization/43415
3280         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3281         (phi_translate_1): ... this.
3282         (phi_translate): Move all caching here.  Cache all NARY
3283         and REFERENCE translations.
3284
3285 2010-03-19  David S. Miller  <davem@davemloft.net>
3286
3287         With help from Eric Botcazou.
3288         * config/sparc/sparc.c: Include dwarf2out.h.
3289         (emit_pic_helper): Delete.
3290         (pic_helper_symbol_name): Delete.
3291         (pic_helper_emitted_p): Delete.
3292         (pic_helper_needed): New.
3293         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3294         (get_pc_thunk_name): New.
3295         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3296         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3297         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3298         (sparc_expand_prologue): Update load_pic_register call.
3299         (sparc_output_mi_thunk): Likewise.
3300         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3301         thunk if possible.  Output CFI information as needed.
3302
3303 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3304             Jack Howarth <howarth@bromo.med.uc.edu>
3305
3306         PR target/36399
3307         * config/i386/i386.h: Fix ABI on darwin x86-32.
3308
3309 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3310
3311         * tree.h: Declare make_decl_rtl_for_debug.
3312         * varasm.c (make_decl_rtl_for_debug): New.
3313         * dwarf2out.c (rtl_for_decl_location): Call it.
3314         * cfgexpand.c (expand_debug_expr): Call it.
3315
3316 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3317
3318         PR bootstrap/43399
3319         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3320         mem_mode.
3321
3322         PR bootstrap/43403
3323         * var-tracking.c (vt_init_cfa_base): Do nothing if
3324         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3325
3326 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3327
3328         PR debug/42873
3329         * var-tracking.c (canonicalize_vars_star): New.
3330         (dataflow_post_merge_adjust): Use it.
3331
3332 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3333
3334         PR debug/43058
3335         * var-tracking.c (non_suitable_const): New function.
3336         (add_uses): For DEBUG_INSNs with constants, don't record any
3337         value, instead just the constant value itself.
3338         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3339         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3340         (emit_notes_in_bb): Likewise.
3341         (emit_note_insn_var_location): For onepart variables if
3342         cur_loc is a VOIDmode constant, use DECL_MODE.
3343
3344 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3345
3346         PR middle-end/42450
3347         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3348         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3349         all non-clones.  Moved call redirection...
3350         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3351         (cgraph_materialize_all_clones): Dispose of all
3352         combined_args_to_skip bitmaps.
3353         (verify_cgraph_node): Do not check for edges pointing to wrong
3354         nodes in inline clones.
3355         * tree-inline.c (copy_bb): Call
3356         cgraph_redirect_edge_call_stmt_to_callee.
3357         * ipa.c (cgraph_remove_unreachable_nodes): Call
3358         cgraph_node_remove_callees even when there are used clones.
3359
3360 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3361
3362         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3363
3364 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3365
3366         PR target/43383
3367         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3368         for 32bit.
3369
3370 2010-03-18  Michael Matz  <matz@suse.de>
3371
3372         PR middle-end/43419
3373         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3374         into sqrt(x) if we need to preserve signed zeros.
3375
3376 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3377             Eric Botcazou  <ebotcazou@adacore.com>
3378
3379         PR rtl-optimization/43360
3380         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3381         note if we don't know its invariant status.
3382
3383 2010-03-18  Michael Matz  <matz@suse.de>
3384
3385         PR tree-optimization/43402
3386         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3387         PHI chains of ssa names registered for update.
3388
3389 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3390
3391         PR target/42427
3392         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3393         non-offsettable and pre_modify update addressing.
3394         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3395         and "2" alternatives "#".
3396         (*movdd_softfloat32): Make all alternatives "#";
3397         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3398         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3399         (*movdf_softfloat32): Make all alternatives "#";
3400         (movdi): Use the new DIFD mode iterator to create a common splitter
3401         for movdi, movdf and movdd patterns.
3402
3403 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3404
3405         * common.opt (dumpdir): Remove redundant tab.
3406
3407 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3408
3409         PR tree-optimization/43347
3410         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3411         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3412
3413 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3414
3415         PR rtl-optimization/42216
3416         * regrename.c (create_new_chain): New function, broken out from...
3417         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3418         appending a use to an empty chain.
3419         (build_def_use): Remove previous changes that convert OP_INOUT to
3420         OP_OUT operands; instead detect the case where an OP_INOUT operand
3421         uses a previously untracked register and create an empty chain for it.
3422
3423 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3424
3425         * doc/extend.texi (Function Attributes): Rewrite unfinished
3426         sentence in ms_abi documentation.
3427
3428 2010-03-17  Alan Modra  <amodra@gmail.com>
3429
3430         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3431         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3432         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3433         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3434
3435 2010-03-16  Richard Henderson  <rth@redhat.com>
3436
3437         PR middle-end/43365
3438         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3439         (lower_try_finally): Save and restore eh_seq around the expansion
3440         of the try-finally.
3441
3442 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3443
3444         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3445         statements before splitting block.
3446
3447 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3448
3449         * doc/sourcebuild.texi (Testsuites): Fix markup.
3450         Use pathnames relative to gcc/testsuite.
3451         (Test Directives): Move description of how timeout is determined.
3452         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3453         (C Tests): Correct gcc.misc-tests directory.
3454         Framework tests now live in gcc.test-framework.