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