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